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1/* @license GPL-2.0-or-later https://git.drupalcode.org/project/once/-/raw/v1.0.1/LICENSE.md */
2/*! @drupal/once - v1.0.1 - 2021-06-12 */
3var once=function(){"use strict";var n=/[\11\12\14\15\40]+/,e="data-once",t=document;function r(n,t,r){return n[t+"Attribute"](e,r)}function o(e){if("string"!=typeof e)throw new TypeError("once ID must be a string");if(""===e||n.test(e))throw new RangeError("once ID must not be empty or contain spaces");return'[data-once~="'+e+'"]'}function u(n){if(!(n instanceof Element))throw new TypeError("The element must be an instance of Element");return!0}function i(n,e){void 0===e&&(e=t);var r=n;if(null===n)r=[];else{if(!n)throw new TypeError("Selector must not be empty");"string"!=typeof n||e!==t&&!u(e)?n instanceof Element&&(r=[n]):r=e.querySelectorAll(n)}return Array.prototype.slice.call(r)}function c(n,e,t){return e.filter((function(e){var r=u(e)&&e.matches(n);return r&&t&&t(e),r}))}function f(e,t){var o=t.add,u=t.remove,i=[];r(e,"has")&&r(e,"get").trim().split(n).forEach((function(n){i.indexOf(n)<0&&n!==u&&i.push(n)})),o&&i.push(o);var c=i.join(" ");r(e,""===c?"remove":"set",c)}function a(n,e,t){return c(":not("+o(n)+")",i(e,t),(function(e){return f(e,{add:n})}))}return a.remove=function(n,e,t){return c(o(n),i(e,t),(function(e){return f(e,{remove:n})}))},a.filter=function(n,e,t){return c(o(n),i(e,t))},a.find=function(n,e){return i(n?o(n):"[data-once]",e)},a}();
4
5;
6/* @license GPL-2.0-or-later https://www.drupal.org/licensing/faq */
7window.drupalTranslations={"strings":{"":{"An AJAX HTTP error occurred.":"Une erreur HTTP AJAX s\u0027est produite.","HTTP Result Code: !status":"Code de statut HTTP : !status","An AJAX HTTP request terminated abnormally.":"Une requ\u00eate HTTP AJAX s\u0027est termin\u00e9e anormalement.","Debugging information follows.":"Informations de d\u00e9bogage ci-dessous.","Path: !uri":"Chemin : !uri","StatusText: !statusText":"StatusText: !statusText","ResponseText: !responseText":"ResponseText : !responseText","ReadyState: !readyState":"ReadyState : !readyState","CustomMessage: !customMessage":"Message personnalis\u00e9 : !customMessage","Please wait...":"Veuillez patienter...","The response failed verification so will not be processed.":"La v\u00e9rification de la r\u00e9ponse a \u00e9chou\u00e9, elle ne sera pas trait\u00e9e.","The callback URL is not local and not trusted: !url":"L\u0027URL de retour n\u0027est pas locale et n\u0027est pas de confiance : !url","Changed":"Modifi\u00e9","Hide":"Masquer","Show":"Afficher","List additional actions":"Lister les actions suppl\u00e9mentaires","New revision":"Nouvelle r\u00e9vision","No revision":"Aucune r\u00e9vision","Needs to be updated":"N\u00e9cessite une mise \u00e0 jour","Does not need to be updated":"Ne n\u00e9cessite aucune mise \u00e0 jour","Flag other translations as outdated":"Marquer les autres traductions comme p\u00e9rim\u00e9es","Do not flag other translations as outdated":"Ne pas marquer les autres traductions comme p\u00e9rim\u00e9es","Edit":"Edit","Status message":"Message d\u0027\u00e9tat","Error message":"Message d\u0027erreur","Warning message":"Message d\u0027avertissement","You have unsaved changes.":"Vous avez des changements non enregistr\u00e9s.","Hide row weights":"Cacher le poids des lignes","Show row weights":"Afficher le poids des lignes","Drag to re-order":"Cliquer-d\u00e9poser pour r\u00e9-organiser","Show all columns":"Montrer toutes les colonnes","Hide lower priority columns":"Cacher les colonnes de plus faible priorit\u00e9","Show table cells that were hidden to make the table fit within a small screen.":"Montrer les cellules de tableau qui ont \u00e9t\u00e9 cach\u00e9es pour que le tableau rentre dans un petit \u00e9cran.","Select all rows in this table":"S\u00e9lectionner toutes les lignes du tableau","Deselect all rows in this table":"D\u00e9s\u00e9lectionner toutes les lignes du tableau","(active tab)":"(onglet actif)","1 block is available in the modified list.\u0003@count blocks are available in the modified list.":"@count bloc est disponible dans la liste modifi\u00e9e.\u0003@count blocs sont disponibles dans la liste modifi\u00e9e.","Not restricted":"Non restreint","Restricted to certain pages":"R\u00e9serv\u00e9 \u00e0 certaines pages","The block cannot be placed in this region.":"Le bloc ne peut pas \u00eatre plac\u00e9 dans cette r\u00e9gion.","Please provide a name for the button group.":"Veuillez fournir un n

7om pour le groupe de boutons.","Button group name":"Nom du groupe de boutons","Apply":"Apply","Cancel":"Annuler","Editing the name of the new button group in a dialog.":"Modification du nom du nouveau groupe de boutons dans une bo\u00eete de dialogue.","Editing the name of the \u0022@groupName\u0022 button group in a dialog.":"Modification du nom du groupe de boutons @groupName dans une bo\u00eete de dialogue.","Place a button to create a new button group.":"Placer un bouton pour cr\u00e9er un nouveau groupe de boutons.","New group":"Nouveau groupe","Add a CKEditor button group to the end of this row.":"Ajouter un groupe de boutons CKEditor \u00e0 la fin de cette ligne.","Add group":"Ajouter un groupe","Uploads disabled":"Transferts d\u00e9sactiv\u00e9s","Uploads enabled, max size: @size @dimensions":"Transferts activ\u00e9s, taille max. : @size @dimensions","Rich Text Editor, !label field":"\u00c9diteur de texte riche, champ !label","Loading...":"En cours de chargement...","No styles configured":"Aucun style configur\u00e9","@count styles configured":"@count styles configur\u00e9s","Image":"Image","Link":"Lien","Unlink":"Supprimer le lien","Edit Link":"Lien de modification","@groupName button group in position @position of @positionCount in row @row of @rowCount.":"Groupe de boutons @groupName \u00e0 la position @position de @positionCount \u00e0 la ligne @row de @rowCount.","Press the down arrow key to create a new row.":"Appuyer sur la touche \u0022fl\u00e8che du bas\u0022 pour cr\u00e9er une nouvelle ligne.","button":"bouton","@name @type.":"@name @type.","Press the down arrow key to activate.":"Appuyer sur la touche \u0022fl\u00e8che du bas\u0022 pour activer.","@name @type in position @position of @positionCount in @groupName button group in row @row of @rowCount.":"@name @type \u00e0 la position @position de @positionCount dans le groupe de boutons @groupName \u00e0 la ligne @row de @rowCount.","Press the down arrow key to create a new button group in a new row.":"Presser la touche fl\u00e8che bas pour cr\u00e9er un nouveau groupe de bouton dans une nouvelle ligne.","This is the last group. Move the button forward to create a new group.":"Ceci est le dernier groupe. D\u00e9placer le bouton vers l\u0027avant pour cr\u00e9er un nouveau groupe.","The \u0022@name\u0022 button is currently enabled.":"Le bouton \u0022@name\u0022 est actuellement activ\u00e9.","Use the keyboard arrow keys to change the position of this button.":"Utiliser les fl\u00e8ches du clavier pour changer la position de ce bouton.","Press the up arrow key on the top row to disable the button.":"Appuyer sur la touche fl\u00e8che du haut sur la ligne du haut pour d\u00e9sactiver le bouton.","The \u0022@name\u0022 button is currently disabled.":"Le bouton \u0022@name\u0022 est actuellement d\u00e9sactiv\u00e9.","Use the down arrow key to move this button into the active toolbar.":"Utiliser la touche \u0022fl\u00e8che du bas\u0022 pour d\u00e9placer ce bouton dans la barre d\u0027outils active.","This @name is currently enabled.":"Ce @name est actuellement activ\u00e9.","Use the keyboard arrow keys to change the position of this separator.":"Utiliser les fl\u00e8ches du clavier pour changer la position de ce s\u00e9parateur.","Separators are used to visually split individual buttons.":"Les s\u00e9parateurs sont utilis\u00e9s pour s\u00e9parer visuellement des boutons individuels.","This @name is currently disabled.":"Ce @name est actuellement d\u00e9sactiv\u00e9","Use the down arrow key to move this separator into the active toolbar.":"Utiliser la touche \u0022fl\u00e8che du bas\u0022 pour d\u00e9placer ce s\u00e9parateur dans la barre d\u0027outils active.","You may add multiple separators to each button group.":"Vous pouvez ajouter plusieurs s\u00e9parateurs \u00e0 chaque groupe de boutons.","Hide group names":"Masquer les noms des groupes","Show group names":"Afficher les noms des groupes","Save":"Enregistrer","Unlock":"D\u00e9verrouiller","Lock":"Verrouiller","Open":"Ouvert","Close":"Fermer","@action @title configuration options":"options de configuration @action @title","Tabbing is no longer constrained by the C

7ontextual module.":"La tabulation n\u0027est plus contrainte par le module Contextual.","Tabbing is constrained to a set of @contextualsCount and the edit mode toggle.":"La tabulation est contrainte par un ensemble de @contextualsCount et l\u0027activation\/d\u00e9saction du mode d\u0027\u00e9dition.","Press the esc key to exit.":"Pressez la touche Echap pour quitter.","@count contextual link\u0003@count contextual links":"@count lien contextuel\u0003@count liens contextuels","Changing the text format to %text_format will permanently remove content that is not allowed in that text format.\u003Cbr\u003E\u003Cbr\u003ESave your changes before switching the text format to avoid losing data.":"Basculer le format de texte en %text_format retirera d\u00e9finitivement le contenu qui n\u0027est pas autoris\u00e9 dans ce format de texte.\u003Cbr\u003E\u003Cbr\u003EPour \u00e9viter de perdre des donn\u00e9es, enregistrez vos changements avant de basculer le format de texte.","Change text format?":"Changer le format de texte ?","Continue":"Continuer","The selected file %filename cannot be uploaded. Only files with the following extensions are allowed: %extensions.":"Le fichier s\u00e9lectionn\u00e9 %filename ne peut pas \u00eatre transf\u00e9r\u00e9. Seuls les fichiers avec les extensions suivantes sont autoris\u00e9s : %extensions.","Enabled":"Activ\u00e9","Disabled":"D\u00e9sactiv\u00e9","Based on the text editor configuration, these tags have automatically been added: \u003Cstrong\u003E@tag-list\u003C\/strong\u003E.":"Bas\u00e9 sur la configuration de l\u0027\u00e9diteur de texte, ces balises ont automatiquement \u00e9t\u00e9 ajout\u00e9es : \u003Cstrong\u003E@tag-list\u003C\/strong\u003E.","Hide description":"Masquer la description","Show description":"Afficher la description","Changes made in this table will not be saved until the form is submitted.":"Les changements effectu\u00e9s dans ce tableau ne seront pris en compte que lorsque la configuration aura \u00e9t\u00e9 enregistr\u00e9e.","\u003Cspan class=\u0022visually-hidden\u0022\u003EShow \u003C\/span\u003E@title\u003Cspan class=\u0022visually-hidden\u0022\u003E media\u003C\/span\u003E\u003Cspan class=\u0022active-tab visually-hidden\u0022\u003E (selected)\u003C\/span\u003E":"\u003Cspan class=\u0022visually-hidden\u0022\u003EAfficher le m\u00e9dia  \u003C\/span\u003E@title\u003Cspan class=\u0022active-tab visually-hidden\u0022\u003E (s\u00e9lectionn\u00e9)\u003C\/span\u003E","Showing @title media.":"Affichage du m\u00e9dia @title.","Loading grid view.":"Chargement de la vue de grille.","Changed to grid view.":"Chang\u00e9 en la vue de grille.","Loading table view.":"Chargement de la vue de tableau.","Changed to table view.":"Chang\u00e9 en la vue de tableau.","1 item selected\u0003@count items selected":"1 \u00e9l\u00e9ment s\u00e9lectionn\u00e9\u0003@count \u00e9l\u00e9ments s\u00e9lectionn\u00e9s","@selected of @count item selected\u0003@selected of @count items selected":"@selected \u00e9l\u00e9ment sur @count a \u00e9t\u00e9 s\u00e9lectionn\u00e9\u0003@selected \u00e9l\u00e9ments sur @count ont \u00e9t\u00e9 s\u00e9lectionn\u00e9s","All @count items selected":"Tous les @count \u00e9l\u00e9ments ont \u00e9t\u00e9 s\u00e9lectionn\u00e9s","Zero items selected":"Zero \u00e9l\u00e9ment s\u00e9lectionn\u00e9","Select all media":"S\u00e9lectionner tous les m\u00e9dias","Show media item weights":"Afficher les poids des \u00e9l\u00e9ments m\u00e9dia","Hide media item weights":"Masquer les poids des \u00e9l\u00e9ments m\u00e9dia","Insert from Media Library":"Ins\u00e9rer \u00e0 partir de la m\u00e9diath\u00e8que","By @name on @date":"Par @name le @date","By @name":"Par @name","Authored on @date":"R\u00e9dig\u00e9 le @date","An error occurred while trying to preview the media. Please save your work and reload this page.":"Une erreur s\u0027est produite lors de la tentative de pr\u00e9visualisation du m\u00e9dia. Veuillez enregistrer votre travail et recharger cette page.","Edit media":"Modifier le m\u00e9dia","Embedded media":"M\u00e9dia int\u00e9gr\u00e9","Caption":"L\u00e9gende","Enter caption here":"Saisir la l\u00e9gende ici","Not published":"Non publi\u00e9","Not in menu":"Pas dans le menu","Requires a title":"Titre obligatoire","Don\u0027t display post information":"Ne pas afficher les informations de la contribution","Not promoted":"Non promu","Leave preview?":"Quitter l\u0027aper\u00e7u ?","Leave preview":"Quitter l\u0027aper\u00e7u","Leaving the preview will cause unsaved changes to be lost. Are you sure you want to leave the preview?":"Quitter la pr\u00e9-visualisation entra\u00eenera la perte des changements non-enregistr\u00e9s. \u00cates-vous s\u00fbr(e) de vouloir quitter la pr\u00e9-visualisation ?","CTRL+Left click will prevent this dialog from showing and proceed to the clicked link.":"CTRL + clic gauche emp\u00eachera cette fen\u00eatre de dialogue de s\u0027ouvrir et ouvr

7ira le lien cliqu\u00e9.","Alias: @alias":"Alias : @alias","No alias":"Aucun alias","Your changes to \u003Cq\u003E@entity-title\u003C\/q\u003E could not be saved, either due to a website problem or a network connection problem.\u003Cbr\u003EPlease try again.":"Vos modifications dans \u003Cq\u003E@entity-title\u003C\/q\u003E n\u0027ont pas pu \u00eatre enregistr\u00e9es, soit \u00e0 cause d\u0027un probl\u00e8me dans le site web, soit \u00e0 cause d\u0027un probl\u00e8me de connexion r\u00e9seau. \u003Cbr \/\u003EVeuillez recommencer.","Network problem!":"Probl\u00e8me de r\u00e9seau !","Quick edit":"Modification rapide","OK":"OK","Could not load the form for \u003Cq\u003E@field-label\u003C\/q\u003E, either due to a website problem or a network connection problem.\u003Cbr\u003EPlease try again.":"Impossible de charger le formulaire de \u003Cq\u003E@field-label\u003C\/q\u003E, soit \u00e0 cause d\u0027un probl\u00e8me dans le site web, soit \u00e0 cause d\u0027un probl\u00e8me de connexion r\u00e9seau. \u003Cbr \/\u003EVeuillez r\u00e9essayer.","You have unsaved changes":"Vous avez des changements non enregistr\u00e9s","Discard changes?":"Annuler les changements ?","Discard changes":"Annuler les changements","Saving":"Enregistrement","!modules modules are available in the modified list.":"Les modules !modules sont disponibles dans la liste modifi\u00e9e.","Hide summary":"Masquer le r\u00e9sum\u00e9","Edit summary":"Modifier le r\u00e9sum\u00e9","Home":"Accueil","The toolbar cannot be set to a horizontal orientation when it is locked.":"La barre d\u0027outils ne peut pas \u00eatre orient\u00e9e horizontalement quand elle est verrouill\u00e9e.","Horizontal orientation":"Orientation horizontale","Vertical orientation":"Orientation verticale","Extend":"Extension","Collapse":"Replier","@label":"@label","Tray orientation changed to @orientation.":"L\u0027orientation du sous-menu est maintenant @orientation.","closed":"ferm\u00e9","opened":"ouvert","Tray \u0022@tray\u0022 @action.":"Sous-menu \u0022@tray\u0022 @action.","Tray @action.":"Sous-menu @action.","!tour_item of !total":"!tour_item sur !total","End tour":"Terminer la visite","This permission is inherited from the authenticated user role.":"Ce droit est h\u00e9rit\u00e9e du r\u00f4le de l\u0027utilisateur authentifi\u00e9.","Add":"Ajouter","Remove group":"Supprimer le groupe","Apply (all displays)":"Appliquer (tous les affichages)","Revert to default":"R\u00e9tablir par d\u00e9faut","Apply (this display)":"Appliquer (cet affichage)","0 sec":"0\u00a0s","1 year\u0003@count years":"@count ann\u00e9e\u0003@count ann\u00e9es","1 month\u0003@count months":"@count mois\u0003@count mois","1 week\u0003@count weeks":"@count semaine\u0003@count semaines","1 day\u0003@count days":"@count jour\u0003@count jours","1 hour\u0003@count hours":"@count heure\u0003@count heures","1 min\u0003@count min":"@count min\u0003@count min","1 sec\u0003@count sec":"@count sec\u0003@count sec","Accept":"Accepter","Title":"Titre","CSS classes":"Classes CSS","ID":"Identifiant (ID)","Advanced":"Avanc\u00e9","Audio":"Audio","Crop image":"Recadrer l\u0027image","Cropping applied.":"Le recadrage a \u00e9t\u00e9 appliqu\u00e9.","Open File Browser":"Ouvrir le Navigateur de Fichiers","Refresh":"Actualiser","Date":"Date","Height":"Hauteur","Width":"Largeur","Size":"Taille","Name":"Name","root":"racine","Select":"S\u00e9lectionner","Please select a file.":"Veuillez s\u00e9lectionner un fichier.","Only files with the following extensions are allowed: %files-allowed.":"Seuls les fichiers se terminant par les extensions suivantes sont autoris\u00e9s\u00a0: %files-allowed.","@size KB":"@size Ko","@size MB":"@size Mo","1 byte\u0003@count bytes":"@count octet\u0003@count octets","1 item\u0003@count items":"@count \u00e9lement\u0003@count \u00e9l\u00e9ments","Delete":"Delete","New folder":"Nouveau r\u00e9pertoire","Create":"Cr\u00e9er","Folder name":"Nom du r\u00e9pertoire","Resize":"Redimensionner","Create a copy":"Cr\u00e9er une copie","Upload":"Transf\u00e9rer","File":"Fichier","Add file":"Ajouter un fichier","Placeholder":"Placeholder","Unsaved changes to the form will be lost. Are you sure you want to leave?":"Les modifications non-sauvegard\u00e9es dans ce formulaire seront perdues. \u00cates-vous s\u00fbr(e) de vouloir quitter\u00a0?","Yes":"Oui","Published":"Publi\u00e9","Automatic alias":"Alias automatique","Insert this token into your form":"Ins\u00e9rer ce jeton (\u003Cem\u003Etoken\u003C\/em\u003E) dans votre formulaire","First click a text field to insert your tokens into.":"Cliquez d\u0027abord sur un champ de texte pour ins\u00e9rer vos jetons (\u003Cem\u003Etokens\u003C\/em\u003E) dans celui -ci.","No Result":"Aucun r\u00e9sultat","Cleaner than ":"Plus propre que ","% of pages tested":"% des pages test\u00e9es","Measuring CO\u003Csub\u003E2\u003C\/sub\u003E\u0026hellip;":"Mesure du CO\u003Csub\u003E2\u003C\/sub\u003E\u0026hellip;","g of CO\u003Csub\u003E2\u003C\/sub\u003E\/view":"g de CO\u003Csub\u003E2\u003C\/sub\u003E\/vue","Rating : ":"Note :","Rating: ":"Note : ","See the year @year":"Voir l\u0027ann\u00e9e @year","Previous slide":"Diapositive pr\u00e9c\u00e9dente","Next slide":"Diapositive suivante"}},"pluralFormula":{"0":0,"1":0,"default":1}};;
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11/* @license MIT https://raw.githubusercontent.com/focus-trap/tabbable/v6.3.0/LICENSE */
12/*!
13* tabbable 6.3.0
14* @license MIT, https://github.com/focus-trap/tabbable/blob/master/LICENSE
15*/
16!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):(t="undefined"!=typeof globalThis?globalThis:t||self,function(){var n=t.tabbable,o=t.tabbable={};e(o),o.noConflict=function(){return t.tabbable=n,o}}())}(this,(function(t){"use strict";var e=["input:not([inert])","select:not([inert])","textarea:not([inert])","a[href]:not([inert])","button:not([inert])","[tabindex]:not(slot):not([inert])","audio[controls]:not([inert])","video[controls]:not([inert])",'[contenteditable]:not([contenteditable="false"]):not([inert])',"details>summary:first-of-type:not([inert])","details:not([inert])"],n=e.join(","),o="undefined"==typeof Element,r=o?function(){}:Element.prototype.matches||Element.prototype.msMatchesSelector||Element.prototype.webkitMatchesSelector,i=!o&&Element.prototype.getRootNode?function(t){var e;return null==t||null===(e=t.getRootNode)||void 0===e?void 0:e.call(t)}:function(t){return null==t?void 0:t.ownerDocument},a=function(t,e){var n;void 0===e&&(e=!0);var o=null==t||null===(n=t.getAttribute)||void 0===n?void 0:n.call(t,"inert");return""===o||"true"===o||e&&t&&a(t.parentNode)},l=function(t,e,o){if(a(t))return[];var i=Array.prototype.slice.apply(t.querySelectorAll(n));return e&&r.call(t,n)&&i.unshift(t),i=i.filter(o)},u=function(t,e,o){for(var i=[],l=Array.from(t);l.length;){var c=l.shift();if(!a(c,!1))if("SLOT"===c.tagName){var d=c.assignedElements(),f=d.length?d:c.children,s=u(f,!0,o);o.flatten?i.push.apply(i,s):i.push({scopeParent:c,candidates:s})}else{r.call(c,n)&&o.filter(c)&&(e||!t.includes(c))&&i.push(c);var p=c.shadowRoot||"function"==typeof o.getShadowRoot&&o.getShadowRoot(c),h=!a(p,!1)&&(!o.shadowRootFilter||o.shadowRootFilter(c));if(p&&h){var v=u(!0===p?c.children:p.children,!0,o);o.flatten?i.push.apply(i,v):i.push({scopeParent:c,candidates:v})}else l.unshift.apply(l,c.children)}}return i},c=function(t){return!isNaN(parseInt(t.getAttribute("tabindex"),10))},d=function(t){if(!t)throw new Error("No node provided");return t.tabIndex<0&&(/^(AUDIO|VIDEO|DETAILS)$/.test(t.tagName)||function(t){var e,n=null==t||null===(e=t.getAttribute)||void 0===e?void 0:e.call(t,"contenteditable");return""===n||"true"===n}(t))&&!c(t)?0:t.tabIndex},f=function(t,e){return t.tabIndex===e.tabIndex?t.documentOrder-e.documentOrder:t.tabIndex-e.tabIndex},s=function(t){return"INPUT"===t.tagName},p=function(t){return function(t){return s(t)&&"radio"===t.type}(t)&&!function(t){if(!t.name)return!0;var e,n=t.form||i(t),o=function(t){return n.querySelectorAll('input[type="radio"][name="'+t+'"]')};if("undefined"!=typeof window&&void 0!==window.CSS&&"function"==typeof window.CSS.escape)e=o(window.CSS.escape(t.name));else try{e=o(t.name)}catch(t){return console.error("Looks like you have a radio button with a name attribute containing invalid CSS selector characters and need the CSS.escape polyfill: %s",t.message),!1}var r=function(t,e){for(var n=0;n<t.length;n++)if(t[n].checked&&t[n].form===e)return t[n]}(e,t.form);return!r||r===t}(t)},h=function(t){var e=t.getBoundingClientRect(),n=e.width,o=e.height;return 0===n&&0===o},v=function(t,e){var n=e.displayCheck,o=e.getShadowRoot;if("full-native"===n&&"checkVisibility"in t)return!t.checkVisibility({checkOpacity:!1,opacityProperty:!1,contentVisibilityAuto:!0,visibilityProperty:!0,checkVisibilityCSS:!0});if("hidden"===getComputedStyle(t).visibility)return!0;var a=r.call(t,"details>summary:first-of-type")?t.parentElement:t;if(r.call(a,"details:not([open]) *"))return!0;if(n&&"full"!==n&&"full-native"!==n&&"legacy-full"!==n){if("non-zero-area"===n)return h(t)}else{if("function"==typeof o){for(var l=t;t;){var u=t.parentElement,c=i(t);if(u&&!u.shadowRoot&&!0===o(u))return h(t);t=t.assignedSlot?t.assignedSlot:u||c===t.ownerDocument?u:c.host}t=l}if(function(t){var e,n,o,r,a=t&&i(t),l=null===(e=a)||void 0===e?void 0:e.host,u=!1;if(a&&a!==t)for(u=!!(null!==(n=l)&&void 0!==n&&null!==(o=n.ownerDocument)&&void 0!==o&&o.contains(l)||null!=t&&null!==(r=t.ownerDocument)&&void 0!==r&&r.contains(t));!u&&l;){var c,d,f;u=!(null===(d=l=null===(c=a=i(l))||void 0===c?void 0:c.host)||void 0===d||null===(f=d.ownerDocument)||void 0===f||!f.contains(l))}return u}(t))return!t.getClientRects().length;if("legacy-full"!==n)return!0}return!1},b=function(t,e){return!(e.disabled||a(e)||function(t){return s(t)&&"hidden"===t.type}(e)||v(e,t)||function(t){return"DETAILS"===t.tagName&&Array.prototype.slice.apply(t.children).some((function(t){return"SUMMARY"===t.tagName}))}

16(e)||function(t){if(/^(INPUT|BUTTON|SELECT|TEXTAREA)$/.test(t.tagName))for(var e=t.parentElement;e;){if("FIELDSET"===e.tagName&&e.disabled){for(var n=0;n<e.children.length;n++){var o=e.children.item(n);if("LEGEND"===o.tagName)return!!r.call(e,"fieldset[disabled] *")||!o.contains(t)}return!0}e=e.parentElement}return!1}(e))},y=function(t,e){return!(p(e)||d(e)<0||!b(t,e))},m=function(t){var e=parseInt(t.getAttribute("tabindex"),10);return!!(isNaN(e)||e>=0)},g=function(t){var e=[],n=[];return t.forEach((function(t,o){var r=!!t.scopeParent,i=r?t.scopeParent:t,a=function(t,e){var n=d(t);return n<0&&e&&!c(t)?0:n}(i,r),l=r?g(t.candidates):i;0===a?r?e.push.apply(e,l):e.push(i):n.push({documentOrder:o,tabIndex:a,item:t,isScope:r,content:l})})),n.sort(f).reduce((function(t,e){return e.isScope?t.push.apply(t,e.content):t.push(e.content),t}),[]).concat(e)},w=e.concat("iframe").join(",");t.focusable=function(t,e){return(e=e||{}).getShadowRoot?u([t],e.includeContainer,{filter:b.bind(null,e),flatten:!0,getShadowRoot:e.getShadowRoot}):l(t,e.includeContainer,b.bind(null,e))},t.getTabIndex=d,t.isFocusable=function(t,e){if(e=e||{},!t)throw new Error("No node provided");return!1!==r.call(t,w)&&b(e,t)},t.isTabbable=function(t,e){if(e=e||{},!t)throw new Error("No node provided");return!1!==r.call(t,n)&&y(e,t)},t.tabbable=function(t,e){var n;return n=(e=e||{}).getShadowRoot?u([t],e.includeContainer,{filter:y.bind(null,e),flatten:!1,getShadowRoot:e.getShadowRoot,shadowRootFilter:m}):l(t,e.includeContainer,y.bind(null,e)),g(n)}}));
17
18;
19/* @license GPL-2.0-or-later https://www.drupal.org/licensing/faq */
20(function($,Drupal){Drupal.theme.progressBar=function(id){const escapedId=Drupal.checkPlain(id);return (`<div id="${escapedId}" class="progress" aria-live="polite">`+'<div class="progress__label">&nbsp;</div>'+'<div class="progress__track"><div class="progress__bar"></div></div>'+'<div class="progress__percentage"></div>'+'<div class="progress__description">&nbsp;</div>'+'</div>');};Drupal.ProgressBar=function(id,updateCallback,method,errorCallback){this.id=id;this.method=method||'GET';this.updateCallback=updateCallback;this.errorCallback=errorCallback;this.element=$(Drupal.theme('progressBar',id));};$.extend(Drupal.ProgressBar.prototype,{setProgress(percentage,message,label){if(percentage>=0&&percentage<=100){$(this.element).find('div.progress__bar').each(function(){this.style.width=`${percentage}%`;});$(this.element).find('div.progress__percentage').html(`${percentage}%`);}$('div.progress__description',this.element).html(message);$('div.progress__label',this.element).html(label);if(this.updateCallback)this.updateCallback(percentage,message,this);},startMonitoring(uri,delay){this.delay=delay;this.uri=uri;this.sendPing();},stopMonitoring(){clearTimeout(this.timer);this.uri=null;},sendPing(){if(this.timer)clearTimeout(this.timer);if(this.uri){const pb=this;let uri=this.uri;if(!uri.includes('?'))uri+='?';else uri+='&';uri+='_format=json';$.ajax({type:this.method,url:uri,data:'',dataType:'json',success(progress){if(progress.status===0){pb.displayError(progress.data);return;}pb.setProgress(progress.percentage,progress.message,progress.label);pb.timer=setTimeout(()=>{pb.sendPing();},pb.delay);},error(xmlhttp){const e=new Drupal.AjaxError(xmlhttp,pb.uri);pb.displayError(`<pre>${e.message}</pre>`);}});}},displayError(string){const error=$('<div class="messages messages--error"></div>').html(string);$(this.element).before(error).hide();if(this.errorCallback)this.errorCallback(this);}});})(jQuery,Drupal);;
21/* @license MIT https://raw.githubusercontent.com/muicss/loadjs/4.3.0/LICENSE.txt */
22loadjs=function(){var h=function(){},o={},c={},f={};function u(e,n){if(e){var t=f[e];if(c[e]=n,t)for(;t.length;)t[0](e,n),t.splice(0,1)}}function l(e,n){e.call&&(e={success:e}),n.length?(e.error||h)(n):(e.success||h)(e)}function p(t,r,i,s){var o,e,u,n=document,c=i.async,f=(i.numRetries||0)+1,l=i.before||h,a=t.replace(/[\?|#].*$/,""),d=t.replace(/^(css|img|module|nomodule)!/,"");if(s=s||0,/(^css!|\.css$)/.test(a))(u=n.createElement("link")).rel="stylesheet",u.href=d,(o="hideFocus"in u)&&u.relList&&(o=0,u.rel="preload",u.as="style");else if(/(^img!|\.(png|gif|jpg|svg|webp)$)/.test(a))(u=n.createElement("img")).src=d;else if((u=n.createElement("script")).src=d,u.async=void 0===c||c,e="noModule"in u,/^module!/.test(a)){if(!e)return r(t,"l");u.type="module"}else if(/^nomodule!/.test(a)&&e)return r(t,"l");!(u.onload=u.onerror=u.onbeforeload=function(e){var n=e.type[0];if(o)try{u.sheet.cssText.length||(n="e")}catch(e){18!=e.code&&(n="e")}if("e"==n){if((s+=1)<f)return p(t,r,i,s)}else if("preload"==u.rel&&"style"==u.as)return u.rel="stylesheet";r(t,n,e.defaultPrevented)})!==l(t,u)&&n.head.appendChild(u)}function t(e,n,t){var r,i;if(n&&n.trim&&(r=n),i=(r?t:n)||{},r){if(r in o)throw"LoadJS";o[r]=!0}

22function s(n,t){!function(e,r,n){var t,i,s=(e=e.push?e:[e]).length,o=s,u=[];for(t=function(e,n,t){if("e"==n&&u.push(e),"b"==n){if(!t)return;u.push(e)}--s||r(u)},i=0;i<o;i++)p(e[i],t,n)}(e,function(e){l(i,e),n&&l({success:n,error:t},e),u(r,e)},i)}if(i.returnPromise)return new Promise(s);s()}return t.ready=function(e,n){return function(e,t){e=e.push?e:[e];var n,r,i,s=[],o=e.length,u=o;for(n=function(e,n){n.length&&s.push(e),--u||t(s)};o--;)r=e[o],(i=c[r])?n(r,i):(f[r]=f[r]||[]).push(n)}(e,function(e){l(n,e)}),t},t.done=function(e){u(e,[])},t.reset=function(){o={},c={},f={}},t.isDefined=function(e){return e in o},t}();;
23/* @license GPL-2.0-or-later https://www.drupal.org/licensing/faq */
24Drupal.debounce=function(func,wait,immediate){let timeout;let result;return function(...args){const context=this;const later=function(){timeout=null;if(!immediate)result=func.apply(context,args);};const callNow=immediate&&!timeout;clearTimeout(timeout);timeout=setTimeout(later,wait);if(callNow)result=func.apply(context,args);return result;};};;
25(function(Drupal,debounce){let liveElement;const announcements=[];Drupal.behaviors.drupalAnnounce={attach(context){if(!liveElement){liveElement=document.createElement('div');liveElement.id='drupal-live-announce';liveElement.className='visually-hidden';liveElement.setAttribute('aria-live','polite');liveElement.setAttribute('aria-busy','false');document.body.appendChild(liveElement);}}};function announce(){const text=[];let priority='polite';let announcement;const il=announcements.length;for(let i=0;i<il;i++){announcement=announcements.pop();text.unshift(announcement.text);if(announcement.priority==='assertive')priority='assertive';}if(text.length){liveElement.innerHTML='';liveElement.setAttribute('aria-busy','true');liveElement.setAttribute('aria-live',priority);liveElement.innerHTML=text.join('\n');liveElement.setAttribute('aria-busy','false');}}Drupal.announce=function(text,priority){announcements.push({text,priority});return debounce(announce,200)();};})(Drupal,Drupal.debounce);;
26((Drupal)=>{Drupal.Message=class{constructor(messageWrapper=null){if(!messageWrapper)this.messageWrapper=Drupal.Message.defaultWrapper();else this.messageWrapper=messageWrapper;}static defaultWrapper(){let wrapper=document.querySelector('[data-drupal-messages]')||document.querySelector('[data-drupal-messages-fallback]');if(!wrapper){wrapper=document.createElement('div');document.body.appendChild(wrapper);}if(wrapper.hasAttribute('data-drupal-messages-fallback')){wrapper.removeAttribute('data-drupal-messages-fallback');wrapper.classList.remove('hidden');}wrapper.setAttribute('data-drupal-messages','');return wrapper.innerHTML===''?Drupal.Message.messageInternalWrapper(wrapper):wrapper.firstElementChild;}static getMessageTypeLabels(){return {status:Drupal.t('Status message'),error:Drupal.t('Error message'),warning:Drupal.t('Warning message')};}add(message,options={}){if(!options.hasOwnProperty('type'))options.type='status';if(typeof message!=='string')throw new Error('Message must be a string.');Drupal.Message.announce(message,options);options.id=options.id?String(options.id):`${options.type}-${Math.random().toFixed(15).replace('0.','')}`;if(!Drupal.Message.getMessageTypeLabels().hasOwnProperty(options.type)){const {type}=options;throw new Error(`The message type, ${type}, is not present in Drupal.Message.getMessageTypeLabels().`);}this.messageWrapper.appendChild(Drupal.theme('message',{text:message},options));return options.id;}select(id){return this.messageWrapper.querySelector(`[data-drupal-message-id^="${id}"]`);}remove(id){return this.messageWrapper.removeChild(this.select(id));}clear(){this.messageWrapper.querySelectorAll('[data-drupal-message-id]').forEach((message)=>{this.messageWrapper.removeChild(message);});}static announce(message,options){if(!options.priority&&(options.type==='warning'||options.type==='error'))options.priority='assertive';if(options.announce!=='')Drupal.announce(options.announce||message,options.priority);}static messageInternalWrapper(messageWrapper){const innerWrapper=document.createElement('div');innerWrapper.setAttribute('class','messages__wrapper');messageWrapper.insertAdjacentElement('afterbegin',innerWrapper);return innerWrapper;}};Drupal.theme.message=({text},{type,id})=>

26{const messagesTypes=Drupal.Message.getMessageTypeLabels();const messageWrapper=document.createElement('div');messageWrapper.setAttribute('class',`messages messages--${type}`);messageWrapper.setAttribute('role',type==='error'||type==='warning'?'alert':'status');messageWrapper.setAttribute('data-drupal-message-id',id);messageWrapper.setAttribute('data-drupal-message-type',type);messageWrapper.setAttribute('aria-label',messagesTypes[type]);messageWrapper.innerHTML=`${text}`;return messageWrapper;};})(Drupal);;
27((Drupal)=>{Drupal.theme.ajaxProgressIndicatorFullscreen=()=>'<div class="ajax-progress ajax-progress--fullscreen"><div class="ajax-progress__throbber ajax-progress__throbber--fullscreen">&nbsp;</div></div>';Drupal.theme.ajaxProgressThrobber=(message)=>{const messageMarkup=typeof message==='string'?Drupal.theme('ajaxProgressMessage',message):'';const throbber='<div class="ajax-progress__throbber">&nbsp;</div>';return `<div class="ajax-progress ajax-progress--throbber">${throbber}${messageMarkup}</div>`;};Drupal.theme.ajaxProgressMessage=(message)=>`<div class="ajax-progress__message">${message}</div>`;})(Drupal);;
28(function($,window,Drupal,drupalSettings,loadjs,{isFocusable,tabbable}){Drupal.behaviors.AJAX={attach(context,settings){function loadAjaxBehavior(base){const elementSettings=settings.ajax[base];if(typeof elementSettings.selector==='undefined')elementSettings.selector=`#${base}`;once('drupal-ajax',$(elementSettings.selector)).forEach((el)=>{elementSettings.element=el;elementSettings.base=base;Drupal.ajax(elementSettings);});}Object.keys(settings.ajax||{}).forEach(loadAjaxBehavior);Drupal.ajax.bindAjaxLinks(document.body);once('ajax','.use-ajax-submit').forEach((el)=>{const elementSettings={url:$(el.form).attr('action'),setClick:true,event:'click',progress:{type:'throbber'},base:el.id,element:el};Drupal.ajax(elementSettings);});},detach(context,settings,trigger){if(trigger==='unload')Drupal.ajax.expired().forEach((instance)=>{Drupal.ajax.instances[instance.instanceIndex]=null;});}};Drupal.AjaxError=function(xmlhttp,uri,customMessage){let statusCode;let statusText;let responseText;if(xmlhttp.status)statusCode=`\n${Drupal.t('An AJAX HTTP error occurred.')}\n${Drupal.t('HTTP Result Code: !status',{'!status':xmlhttp.status})}`;else statusCode=`\n${Drupal.t('An AJAX HTTP request terminated abnormally.')}`;statusCode+=`\n${Drupal.t('Debugging information follows.')}`;const pathText=`\n${Drupal.t('Path: !uri',{'!uri':uri})}`;statusText='';try{statusText=`\n${Drupal.t('StatusText: !statusText',{'!statusText':xmlhttp.statusText.trim()})}`;}catch(e){}responseText='';try{responseText=`\n${Drupal.t('ResponseText: !responseText',{'!responseText':xmlhttp.responseText.trim()})}`;}catch(e){}responseText=responseText.replace(/<("[^"]*"|'[^']*'|[^'">])*>/gi,'');responseText=responseText.replace(/[\n]+\s+/g,'\n');const readyStateText=xmlhttp.status===0?`\n${Drupal.t('ReadyState: !readyState',{'!readyState':xmlhttp.readyState})}`:'';customMessage=customMessage?`\n${Drupal.t('CustomMessage: !customMessage',{'!customMessage':customMessage})}`:'';this.message=statusCode+pathText+statusText+customMessage+responseText+readyStateText;this.name='AjaxError';if(!Drupal.AjaxError.messages)Drupal.AjaxError.messages=new Drupal.Message();Drupal.AjaxError.messages.add(Drupal.t("Oops, something went wrong. Check your browser's developer console for more details."),{type:'error'});};Drupal.AjaxError.prototype=new Error();Drupal.AjaxError.prototype.constructor=Drupal.AjaxError;Drupal.ajax=function(settings){if(arguments.length!==1)throw new Error('Drupal.ajax() function must be called with one configuration object only');const base=settings.base||false;const element=settings.element||false;delete settings.base;delete settings.element;if(!settings.progress&&!element)settings.progress=false;const ajax=new Drupal.Ajax(base,element,settings);ajax.instanceIndex=Drupal.ajax.instances.length;Drupal.ajax.instances.push(ajax);return ajax;};Drupal.ajax.instances=[];Drupal.ajax.expired=function(){return Drupal.ajax.instances.filter((instance)=>instance&&instance.element!==false&&!document.body.contains(instance.element));};Drupal.ajax.bindAjaxLinks=(element)=>

28{once('ajax','.use-ajax',element).forEach((ajaxLink)=>{const $linkElement=$(ajaxLink);const elementSettings={progress:{type:'throbber'},dialogType:$linkElement.data('dialog-type'),dialog:$linkElement.data('dialog-options'),dialogRenderer:$linkElement.data('dialog-renderer'),base:$linkElement.attr('id'),element:ajaxLink};const href=$linkElement.attr('href');if(href){elementSettings.url=href;elementSettings.event='click';}const httpMethod=$linkElement.data('ajax-http-method');if(httpMethod)elementSettings.httpMethod=httpMethod;Drupal.ajax(elementSettings);});};Drupal.Ajax=function(base,element,elementSettings){const defaults={httpMethod:'POST',event:element?'mousedown':null,keypress:true,selector:base?`#${base}`:null,effect:'none',speed:'none',method:'replaceWith',progress:{type:'throbber',message:Drupal.t('Processing...')},submit:{js:true}};$.extend(this,defaults,elementSettings);this.commands=new Drupal.AjaxCommands();this.instanceIndex=false;if(this.wrapper)this.wrapper=`#${this.wrapper}`;this.element=element;this.preCommandsFocusedElementSelector=null;this.elementSettings=elementSettings;if(this.element?.form)this.$form=$(this.element.form);if(!this.url){const $element=$(this.element);if(this.element.tagName==='A')this.url=$element.attr('href');else{if(this.element&&element.form)this.url=this.$form.attr('action');}}const originalUrl=this.url;this.url=this.url.replace(/\/nojs(\/|$|\?|#)/,'/ajax$1');if(drupalSettings.ajaxTrustedUrl.hasOwnProperty(originalUrl))drupalSettings.ajaxTrustedUrl[this.url]=true;const ajax=this;ajax.options={url:ajax.url,data:ajax.submit,isInProgress(){return ajax.ajaxing;},beforeSerialize(elementSettings,options){return ajax.beforeSerialize(elementSettings,options);},beforeSubmit(formValues,elementSettings,options){ajax.ajaxing=true;ajax.preCommandsFocusedElementSelector=null;return ajax.beforeSubmit(formValues,elementSettings,options);},beforeSend(xmlhttprequest,options){ajax.ajaxing=true;return ajax.beforeSend(xmlhttprequest,options);},success(response,status,xmlhttprequest){ajax.preCommandsFocusedElementSelector=document.activeElement.getAttribute('data-drupal-selector');if(typeof response==='string')response=JSON.parse(response);if(response!==null&&!drupalSettings.ajaxTrustedUrl.hasOwnProperty(ajax.url))if(xmlhttprequest.getResponseHeader('X-Drupal-Ajax-Token')!=='1'){const customMessage=Drupal.t('The response failed verification so will not be processed.');return ajax.error(xmlhttprequest,ajax.url,customMessage);}return (Promise.resolve(ajax.success(response,status)).then(()=>{ajax.ajaxing=false;$(document).trigger('ajaxSuccess',[xmlhttprequest,this]);$(document).trigger('ajaxComplete',[xmlhttprequest,this]);if(--$.active===0)$(document).trigger('ajaxStop');}));},error(xmlhttprequest,status,error){ajax.ajaxing=false;},complete(xmlhttprequest,status){if(status==='error'||status==='parsererror')return ajax.error(xmlhttprequest,ajax.url);},dataType:'json',jsonp:false,method:ajax.httpMethod};if(elementSettings.dialog)ajax.options.data.dialogOptions=elementSettings.dialog;if(!ajax.options.url.includes('?'))ajax.options.url+='?';else ajax.options.url+='&';let wrapper=`drupal_${elementSettings.dialogType||'ajax'}`;if(elementSettings.dialogRenderer)wrapper+=`.${elementSettings.dialogRenderer}`;ajax.options.url+=`${Drupal.ajax.WRAPPER_FORMAT}=${wrapper}`;$(ajax.element).on(elementSettings.event,function(event){if(!drupalSettings.ajaxTrustedUrl.hasOwnProperty(ajax.url)&&!Drupal.url.isLocal(ajax.url))throw new Error(Drupal.t('The callback URL is not local and not trusted: !url',{'!url':ajax.url}));return ajax.eventResponse(this,event);});if(elementSettings.keypress)$(ajax.element).on('keypress',function(event){return ajax.keypressResponse(this,event);});if(elementSettings.prevent)$(ajax.element).on(elementSettings.prevent,false);};Drupal.ajax.WRAPPER_FORMAT='_wrapper_format';Drupal.Ajax.AJAX_REQUEST_PARAMETER='_drupal_ajax';Drupal.Ajax.prototype.execute=function(){if(this.ajaxing)return;try{this.beforeSerialize(this.element,this.options);return $.ajax(this.options);}catch(e){this.ajaxing=false;window.alert(`An error occurred while attempting to process ${this.options.url}: ${e.message}`);return $.Deferred().reject();}};Drupal.Ajax.prototype.keypressResponse=function(element,event){const ajax=this;if(event.which===13||(event.which===32&&element.type!=='text'&&element.type!=='textarea'&&element.type!=='tel'&&element.type!=='number')){event.preventDefault();event.stopPropagation();$(element).trigger(ajax.elementSettings.event);}};Drupal.Ajax.prototype.eventResponse=function(element,event){event.preventDefault();event.stopPropagation();const ajax=this;if(ajax.ajaxing)return;try{if(ajax.$form){if(ajax.setClick)element.form.clk=element;ajax.$form.ajaxSubmit(ajax.options);}else{ajax.beforeSerialize(ajax.element,ajax.options);$.ajax(ajax.options);}}catch(e){ajax.ajaxing=false;window.alert(`An error occurred while attempting to process ${ajax.options.url}: ${e.message}`);}};Drupal.Ajax.prototype.beforeSerialize=function(element,options){if(this.$form&&document.body.contains(this.$form.get(0))){const settings=this.settings||drupalSettings;Drupal.detachBehaviors(this.$form.get(0),settings,'serialize');}options.data[Drupal.Ajax.AJAX_REQUEST_PARAMETER]=1;const pageState=drupalSettings.ajaxPageState;options.data['ajax_page_state[theme]']=pageState.theme;options.data['ajax_page_state[theme_token]']=pageState.theme_token;options.data['ajax_page_state[libraries]']=pageState.libraries;};Drupal.Ajax.prototype.beforeSubmit=function(formValues,element,options){};Drupal.Ajax.prototype.beforeSend=function(xmlhttprequest,options){if(this.$form){options.extraData=options.extraData||{};options.extraData.ajax_iframe_upload='1';const v=$.fieldValue(this.element);if(v!==null)options.extraData[this.element.name]=v;}$(this.element).prop('disabled',true);if(!this.progress||!this.progress.type)return;const progressIndicatorMethod=`setProgressIndicator${this.progress.type.slice(0,1).toUpperCase()}${this.progress.type.slice(1).toLowerCase()}`;if(progressIndicatorMethod in this&&typeof this[progressIndicatorMethod]==='function')this[progressIndicatorMethod].call(this);};Drupal.theme.ajaxProgressThrobber=(message)=>{const messageMarkup=typeof message==='string'?Drupal.theme('ajaxProgressMessage',message):'';const throbber='<div class="throbber">&nbsp;</div>';return `<div class="ajax-progress ajax-progress-throbber">${throbber}${messageMarkup}</div>`;};Drupal.theme.ajaxProgressIndicatorFullscreen=()=>'<div class="ajax-progress ajax-progress-fullscreen">&nbsp;</div>';Drupal.theme.ajaxProgressMessage=(message)=>`<div class="message">${message}</div>`;Drupal.theme.ajaxProgressBar=($element)=>$('<div class="ajax-progress ajax-progress-bar"></div>').append($element);Drupal.Ajax.prototype.setProgressIndicatorBar=function(){const progressBar=new Drupal.ProgressBar(`ajax-progress-${this.element.i

28d}`,$.noop,this.progress.method,$.noop);if(this.progress.message)progressBar.setProgress(-1,this.progress.message);if(this.progress.url)progressBar.startMonitoring(this.progress.url,this.progress.interval||1500);this.progress.element=$(Drupal.theme('ajaxProgressBar',progressBar.element));this.progress.object=progressBar;$(this.element).after(this.progress.element);};Drupal.Ajax.prototype.setProgressIndicatorThrobber=function(){this.progress.element=$(Drupal.theme('ajaxProgressThrobber',this.progress.message));if($(this.element).closest('[data-drupal-ajax-container]').length)$(this.element).closest('[data-drupal-ajax-container]').after(this.progress.element);else $(this.element).after(this.progress.element);};Drupal.Ajax.prototype.setProgressIndicatorFullscreen=function(){this.progress.element=$(Drupal.theme('ajaxProgressIndicatorFullscreen'));$('body').append(this.progress.element);};Drupal.Ajax.prototype.commandExecutionQueue=function(response,status){const ajaxCommands=this.commands;return Object.keys(response||{}).reduce((executionQueue,key)=>executionQueue.then(()=>{const {command}=response[key];if(command&&ajaxCommands[command])return ajaxCommands[command](this,response[key],status);}),Promise.resolve());};Drupal.Ajax.prototype.success=function(response,status){if(this.progress.element)$(this.progress.element).remove();if(this.progress.object)this.progress.object.stopMonitoring();$(this.element).prop('disabled',false);const elementParents=$(this.element).parents('[data-drupal-selector]').addBack().toArray();const focusChanged=Object.keys(response||{}).some((key)=>{const {command,method}=response[key];return (command==='focusFirst'||command==='openDialog'||(command==='invoke'&&method==='focus'));});return (this.commandExecutionQueue(response,status).then(()=>{if(!focusChanged){let target=false;if(this.element){if($(this.element).data('refocus-blur')&&this.preCommandsFocusedElementSelector)target=document.querySelector(`[data-drupal-selector="${this.preCommandsFocusedElementSelector}"]`);if(!target&&!$(this.element).data('disable-refocus')){for(let n=elementParents.length-1;!target&&n>=0;n--)target=document.querySelector(`[data-drupal-selector="${elementParents[n].getAttribute('data-drupal-selector')}"]`);}}if(target)$(target).trigger('focus');}if(this.$form&&document.body.contains(this.$form.get(0))){const settings=this.settings||drupalSettings;Drupal.attachBehaviors(this.$form.get(0),settings);}this.settings=null;}).catch((error)=>console.error(Drupal.t('An error occurred during the execution of the Ajax response: !error',{'!error':error}))));};Drupal.Ajax.prototype.getEffect=function(response){const type=response.effect||this.effect;const speed=response.speed||this.speed;const effect={};if(type==='none'){effect.showEffect='show';effect.hideEffect='hide';effect.showSpeed='';}else if(type==='fade'){effect.showEffect='fadeIn';effect.hideEffect='fadeOut';effect.showSpeed=speed;}else{effect.showEffect=`${type}Toggle`;effect.hideEffect=`${type}Toggle`;effect.showSpeed=speed;}return effect;};Drupal.Ajax.prototype.error=function(xmlhttprequest,uri,customMessage){if(this.progress.element)$(this.progress.element).remove();if(this.progress.object)this.progress.object.stopMonitoring();$(this.wrapper).show();$(this.element).prop('disabled',false);if(this.$form&&document.body.contains(this.$form.get(0))){const settings=this.settings||drupalSettings;Drupal.attachBehaviors(this.$form.get(0),settings);}throw new Drupal.AjaxError(xmlhttprequest,uri,customMessage);};Drupal.theme.ajaxWrapperNewContent=($newContent,ajax,response)=>(response.effect||ajax.effect)!=='none'&&$newContent.filter((i)=>!(($newContent[i].nodeName==='#comment'||($newContent[i].nodeName==='#text'&&/^(\s|\n|\r)*$/.test($newContent[i].textContent))))).length>1?Drupal.theme('ajaxWrapperMultipleRootElements',$newContent):$newContent;Drupal.theme.ajaxWrapperMultipleRootElements=($elements)=>$('<div></div>').append($elements);Drupal.AjaxCommands=function(){};Drupal.AjaxCommands.prototype={insert(ajax,response){const $wrapper=response.selector?$(response.selector):$(ajax.wrapper);const method=response.method||ajax.method;const effect=ajax.getEffect(response);const settings=response.settings||ajax.settings||drupalSettings;const parseHTML=(htmlString)=>{const fragment=document.createDocumentFragment();const template=fragment.appendChild(document.createElement('template'));template.innerHTML=htmlString;return template.content.childNodes;};let $newContent=$(parseHTML(response.data));

28$newContent=Drupal.theme('ajaxWrapperNewContent',$newContent,ajax,response);switch(method){case 'html':case 'replaceWith':case 'replaceAll':case 'empty':case 'remove':Drupal.detachBehaviors($wrapper.get(0),settings);break;default:break;}$wrapper[method]($newContent);if(effect.showEffect!=='show')$newContent.hide();const $ajaxNewContent=$newContent.find('.ajax-new-content');if($ajaxNewContent.length){$ajaxNewContent.hide();$newContent.show();$ajaxNewContent[effect.showEffect](effect.showSpeed);}else{if(effect.showEffect!=='show')$newContent[effect.showEffect](effect.showSpeed);}$newContent.each((index,element)=>{if(element.nodeType===Node.ELEMENT_NODE&&document.documentElement.contains(element))Drupal.attachBehaviors(element,settings);});},remove(ajax,response,status){const settings=response.settings||ajax.settings||drupalSettings;$(response.selector).each(function(){Drupal.detachBehaviors(this,settings);}).remove();},changed(ajax,response,status){const $element=$(response.selector);if(!$element.hasClass('ajax-changed')){$element.addClass('ajax-changed');if(response.asterisk)$element.find(response.asterisk).append(` <abbr class="ajax-changed" title="${Drupal.t('Changed')}">*</abbr> `);}},alert(ajax,response,status){window.alert(response.text);},announce(ajax,response){if(response.priority)Drupal.announce(response.text,response.priority);else Drupal.announce(response.text);},redirect(ajax,response,status){window.location=response.url;},css(ajax,response,status){$(response.selector).css(response.argument);},settings(ajax,response,status){const ajaxSettings=drupalSettings.ajax;if(ajaxSettings)Drupal.ajax.expired().forEach((instance)=>{if(instance.selector){const selector=instance.selector.replace('#','');if(selector in ajaxSettings)delete ajaxSettings[selector];}});if(response.merge)$.extend(true,drupalSettings,response.settings);else ajax.settings=response.settings;},data(ajax,response,status){$(response.selector).data(response.name,response.value);},focusFirst(ajax,response,status){let focusChanged=false;const container=document.querySelector(response.selector);if(container){const tabbableElements=tabbable(container);if(tabbableElements.length){tabbableElements[0].focus();focusChanged=true;}else{if(isFocusable(container)){container.focus();focusChanged=true;}}}if(ajax.hasOwnProperty('element')&&!focusChanged)ajax.element.focus();},invoke(ajax,response,status){const $element=$(response.selector);$element[response.method](...response.args);},restripe(ajax,response,status){$(response.selector).find('> tbody > tr:visible, > tr:visible').removeClass('odd even').filter(':even').addClass('odd').end().filter(':odd').addClass('even');},update_build_id(ajax,response,status){document.querySelectorAll(`input[name="form_build_id"][value="${response.old}"]`).forEach((item)=>{item.value=response.new;});},add_css(ajax,response,status){const allUniqueBundleIds=response.data.map(function(style){const uniqueBundleId=style.href;if(!loadjs.isDefined(uniqueBundleId))loadjs(`css!${style.href}`,uniqueBundleId,{before(path,styleEl){Object.keys(style).forEach((attributeKey)=>{styleEl.setAttribute(attributeKey,style[attributeKey]);});}});return uniqueBundleId;});return new Promise((resolve,reject)=>{loadjs.ready(allUniqueBundleIds,{success(){resolve();},error(depsNotFound){const message=Drupal.t(`The following files could not be loaded: @dependencies`,{'@dependencies':depsNotFound.join(', ')});reject(message);}});});},message(ajax,response){const messages=new Drupal.Message(document.querySelector(response.messageWrapperQuerySelector));if(response.clearPrevious)messages.clear();messages.add(response.message,response.messageOptions);},add_js(ajax,response,status){const parentEl=document.querySelector(response.selector||'body');const settings=ajax.settings||drupalSettings;const allUniqueBundleIds=response.data.map((script)=>{const uniqueBundleId=script.src;if(!loadjs.isDefined(uniqueBundleId))loadjs(script.src,uniqueBundleId,{async:false,before(path,scriptEl){Object.keys(script).forEach((attributeKey)=>{scriptEl.setAttribute(attributeKey,script[attributeKey]);});parentEl.appendChild(scriptEl);return false;}});return uniqueBundleId;});return new Promise((resolve,reject)=>{loadjs.ready(allUniqueBundleIds,{success(){Drupal.attachBehaviors(parentEl,settings);resolve();},error(depsNotFound){const message=Drupal.t(`The following files could not be loaded: @dependencies`,{'@dependencies':depsNotFound.join(', ')});reject(message);}});});},scrollTop(ajax,response){document.querySelector(response.selector)?.scrollIntoView();}};const stopEvent=(xhr,settings)=>{return (xhr.getResponseHeader('X-Drupal-Ajax-Token')==='1'&&typeof settings.isInProgress==='function'&&settings.isInProgress());};$.extend(true,$.event.special,{ajaxSuccess:{trigger(event,xhr,settings){if(stopEvent(xhr,settings))return false;}},ajaxComplete:{trigger(event,xhr,settings){if(stopEvent(xhr,settings)){$.active++;return false;}}}});})(jQuery,window,Drupal,drupalSettings,loadjs,window.tabbable);;
29/* @license GPL-2.0-or-later https://raw.githubusercontent.com/jquery-form/form/master/LICENSE */
30(function(factory){if(typeof define==='function'&&define.amd)define(['jquery'],factory);else if(typeof module==='object'&&module.exports)module.exports=function(root,jQuery){if(typeof jQuery==='undefined')if(typeof window!=='undefined')jQuery=require('jquery');else jQuery=require('jquery')(root);factory(jQuery);return jQuery;};else factory(jQuery);}(function($){'use strict';var rCRLF=/\r?\n/g;var feature={};feature.fileapi=$('<input type="file">').get(0).files!==undefined;feature.formdata=(typeof window.FormData!=='undefined');var hasProp=!!$.fn.prop;$.fn.attr2=function(){if(!hasProp)return this.attr.apply(this,arguments);var val=this.prop.apply(this,arguments);if((val&&val.jquery)||typeof val==='string')return val;return this.attr.apply(this,arguments);};$.fn.ajaxSubmit=function(options,data,dataType,onSuccess){if(!this.length){log('ajaxSubmit: ski

30pping submit process - no element selected');return this;}var method,action,url,isMsie,iframeSrc,$form=this;if(typeof options==='function')options={success:options};else if(typeof options==='string'||(options===false&&arguments.length>0)){options={'url':options,'data':data,'dataType':dataType};if(typeof onSuccess==='function')options.success=onSuccess;}else{if(typeof options==='undefined')options={};}method=options.method||options.type||this.attr2('method');action=options.url||this.attr2('action');url=(typeof action==='string')?action.trim():'';url=url||window.location.href||'';if(url)url=(url.match(/^([^#]+)/)||[])[1];isMsie=/(MSIE|Trident)/.test(navigator.userAgent||'');iframeSrc=(isMsie&&/^https/i.test(window.location.href||''))?'javascript:false':'about:blank';options=$.extend(true,{url,success:$.ajaxSettings.success,type:method||$.ajaxSettings.type,iframeSrc},options);var veto={};this.trigger('form-pre-serialize',[this,options,veto]);if(veto.veto){log('ajaxSubmit: submit vetoed via form-pre-serialize trigger');return this;}if(options.beforeSerialize&&options.beforeSerialize(this,options)===false){log('ajaxSubmit: submit aborted via beforeSerialize callback');return this;}var traditional=options.traditional;if(typeof traditional==='undefined')traditional=$.ajaxSettings.traditional;var elements=[];var qx,a=this.formToArray(options.semantic,elements,options.filtering);if(options.data){var optionsData=typeof (options.data)==="function"?options.data(a):options.data;options.extraData=optionsData;qx=$.param(optionsData,traditional);}if(options.beforeSubmit&&options.beforeSubmit(a,this,options)===false){log('ajaxSubmit: submit aborted via beforeSubmit callback');return this;}this.trigger('form-submit-validate',[a,this,options,veto]);if(veto.veto){log('ajaxSubmit: submit vetoed via form-submit-validate trigger');return this;}var q=$.param(a,traditional);if(qx)q=(q?(q+'&'+qx):qx);if(options.type.toUpperCase()==='GET'){options.url+=(options.url.indexOf('?')>=0?'&':'?')+q;options.data=null;}else options.data=q;var callbacks=[];if(options.resetForm)callbacks.push(function(){$form.resetForm();});if(options.clearForm)callbacks.push(function(){$form.clearForm(options.includeHidden);});if(!options.dataType&&options.target){var oldSuccess=options.success||function(){};callbacks.push(function(data,textStatus,jqXHR){var successArguments=arguments,fn=options.replaceTarget?'replaceWith':'html';$(options.target)[fn](data).each(function(){oldSuccess.apply(this,successArguments);});});}else{if(options.success)if(Array.isArray(options.success))callbacks=callbacks.concat(options.success);else callbacks.push(options.success);}options.success=function(data,status,xhr){var context=options.context||this;for(var i=0,max=callbacks.length;i<max;i++)callbacks[i].apply(context,[data,status,xhr||$form,$form]);};if(options.error){var oldError=options.error;options.error=function(xhr,status,error){var context=options.context||this;oldError.apply(context,[xhr,status,error,$form]);};}if(options.complete){var oldComplete=options.complete;options.complete=function(xhr,status){var context=options.context||this;oldComplete.apply(context,[xhr,status,$form]);};}var fileInputs=$('input[type=file]:enabled',this).filter(function(){return $(this).val()!=='';});var hasFileInputs=fileInputs.length>0;var mp='multipart/form-data';var multipart=($form.attr('enctype')===mp||$form.attr('encoding')===mp);var fileAPI=feature.fileapi&&feature.formdata;log('fileAPI :'+fileAPI);var shouldUseFrame=(hasFileInputs||multipart)&&!fileAPI;var jqxhr;if(options.iframe!==false&&(options.iframe||shouldUseFrame))if(options.closeKeepAlive)$.get(options.closeKeepAlive,function(){jqxhr=fileUploadIframe(a);});else jqxhr=fileUploadIframe(a);else if((hasFileInputs||multipart)&&fileAPI)jqxhr=fileUploadXhr(a);else jqxhr=$.ajax(options);$form.removeData('jqxhr').data('jqxhr',jqxhr);for(var k=0;k<elements.length;k++)elements[k]=null;this.trigger('form-submit-notify',[this,options]);return this;function deepSerialize(extraData){var serialized=$.param(extraData,options.traditional).split('&');var len=serialized.length;var result=[];var i,part;for(i=0;i<len;i++){serialized[i]=serialized[i].replace(/\+/g,' ');part=serialized[i].split('=');result.push([decodeURIComponent(part[0]),decodeURIComponent(part[1])]);}return result;}function fileUploadXhr(a){var formdata=new FormData();for(var i=0;i<a.length;i++)formdata.append(a[i].name,a[i].value);if(options.extraData){var serializedData=deepSerialize(options.extraData);for(i=0;i<serializedData.length;i++)if(serializedData[i])formdata.append(serializedData[i][0],serializedData[i][1]);}options.data=null;var 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30if(beforeSend)beforeSend.call(this,xhr,o);};return $.ajax(s);}function fileUploadIframe(a){var form=$form[0],el,i,s,g,id,$io,io,xhr,sub,n,timedOut,timeoutHandle;var deferred=$.Deferred();deferred.abort=function(status){xhr.abort(status);};if(a)for(i=0;i<elements.length;i++){el=$(elements[i]);if(hasProp)el.prop('disabled',false);else el.removeAttr('disabled');}s=$.extend(true,{},$.ajaxSettings,options);s.context=s.context||s;id='jqFormIO'+new Date().getTime();var ownerDocument=form.ownerDocument;var $body=$form.closest('body');if(s.iframeTarget){$io=$(s.iframeTarget,ownerDocument);n=$io.attr2('name');if(!n)$io.attr2('name',id);else id=n;}else{$io=$('<iframe name="'+id+'" src="'+s.iframeSrc+'" />',ownerDocument);$io.css({position:'absolute',top:'-1000px',left:'-1000px'});}io=$io[0];xhr={aborted:0,responseText:null,responseXML:null,status:0,statusText:'n/a',getAllResponseHeaders:function(){},getResponseHeader:function(){},setRequestHeader:function(){},abort:function(status){var e=(status==='timeout'?'timeout':'aborted');log('aborting upload... '+e);this.aborted=1;try{if(io.contentWindow.document.execCommand)io.contentWindow.document.execCommand('Stop');}catch(ignore){}$io.attr('src',s.iframeSrc);xhr.error=e;if(s.error)s.error.call(s.context,xhr,e,status);if(g)$.event.trigger('ajaxError',[xhr,s,e]);if(s.complete)s.complete.call(s.context,xhr,e);}};g=s.global;if(g&&$.active++===0)$.event.trigger('ajaxStart');if(g)$.event.trigger('ajaxSend',[xhr,s]);if(s.beforeSend&&s.beforeSend.call(s.context,xhr,s)===false){if(s.global)$.active--;deferred.reject();return deferred;}if(xhr.aborted){deferred.reject();return deferred;}sub=form.clk;if(sub){n=sub.name;if(n&&!sub.disabled){s.extraData=s.extraData||{};s.extraData[n]=sub.value;if(sub.type==='image'){s.extraData[n+'.x']=form.clk_x;s.extraData[n+'.y']=form.clk_y;}}}var CLIENT_TIMEOUT_ABORT=1;var SERVER_ABORT=2;function getDoc(frame){var doc=null;try{if(frame.contentWindow)doc=frame.contentWindow.document;}catch(err){log('cannot get iframe.contentWindow document: '+err);}if(doc)return doc;try{doc=frame.contentDocument?frame.contentDocument:frame.document;}catch(err){log('cannot get iframe.contentDocument: '+err);doc=frame.document;}return doc;}var csrf_token=$('meta[name=csrf-token]').attr('content');var csrf_param=$('meta[name=csrf-param]').attr('content');if(csrf_param&&csrf_token){s.extraData=s.extraData||{};s.extraData[csrf_param]=csrf_token;}function doSubmit(){var t=$form.attr2('target'),a=$form.attr2('action'),mp='multipart/form-data',et=$form.attr('enctype')||$form.attr('encoding')||mp;form.setAttribute('target',id);if(!method||/post/i.test(method))form.setAttribute('method','POST');if(a!==s.url)form.setAttribute('action',s.url);if(!s.skipEncodingOverride&&(!method||/post/i.test(method)))$form.attr({encoding:'multipart/form-data',enctype:'multipart/form-data'});if(s.timeout)timeoutHandle=setTimeout(function(){timedOut=true;cb(CLIENT_TIMEOUT_ABORT);},s.timeout);function checkState(){try{var state=getDoc(io).readyState;log('state = '+state);if(state&&state.toLowerCase()==='uninitialized')setTimeout(checkState,50);}catch(e){log('Server abort: ',e,' (',e.name,')');cb(SERVER_ABORT);if(timeoutHandle)clearTimeout(timeoutHandle);timeoutHandle=undefined;}}var extraInputs=[];try{if(s.extraData)for(var n in s.extraData)if(s.extraData.hasOwnProperty(n))if($.isPlainObject(s.extraData[n])&&s.extraData[n].hasOwnProperty('name')&&s.extraData[n].hasOwnProperty('value'))extraInputs.push($('<input type="hidden" name="'+s.extraData[n].name+'">',ownerDocument).val(s.extraData[n].value).appendTo(form)[0]);else extraInputs.push($('<input type="hidden" name="'+n+'">',ownerDocument).val(s.extraData[n]).appendTo(form)[0]);if(!s.iframeTarget)$io.appendTo($body);if(io.attachEvent)io.attachEvent('onload',cb);else io.addEventListener('load',cb,false);setTimeout(checkState,15);try{form.submit();}catch(err){var submitFn=document.createElement('form').submit;submitFn.apply(form);}}finally{form.setAttribute('action',a);form.setAttribute('enctype',et);if(t)form.setAttribute('target',t);else $form.removeAttr('target');$(extraInputs).remove();}}if(s.forceSync)doSubmit();else setTimeout(doSubmit,10);var data,doc,domCheckCount=50,callbackProcessed;function cb(e){if(xhr.aborted||callbackProcessed)return;doc=getDoc(io);if(!doc){log('cannot access response document');e=SERVER_ABORT;}if(e===CLIENT_TIMEOUT_ABORT&&xhr){xhr.abort('timeout');deferred.reject(xhr,'timeout');return;}if(e===SERVER_ABORT&&xhr){xhr.abort('server abort');deferred.reject(xhr,'error','server abort');return;}if(!doc||doc.location.href===s.iframeSrc)if(!timedOut)return;if(io.detachEvent)io.detachEvent('onload',cb);else io.removeEventListener('load',cb,false);var status='success',errMsg;

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31/* @license GPL-2.0-or-later https://www.drupal.org/licensing/faq */
32/*!
33 * GSAP 3.12.2
34 * https://greensock.com
35 * 
36 * @license Copyright 2023, GreenSock. All rights reserved.
37 * Subject to the terms at https://greensock.com/standard-license or for Club GreenSock members, the agreement issued with that membership.
38 * @author: Jack Doyle, [email protected]
39 */
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44"use strict";$=jQuery;;
45"use strict";$(document).ready(function(){var findInsidersSearchPopIn=function findInsidersSearchPopIn(elem){var focusableElementsArray=['.search__popIn a[href]','.search__popIn button:not([disabled])','.search__popIn input:not([disabled])','.search__popIn select:not([disabled])','.search__popIn textarea:not([disabled])','.search__popIn [tabindex]:not([tabindex="-1"])'];var focusableElements=document.querySelectorAll(focusableElementsArray);var firstFocusableElement=focusableElements[1];var lastFocusableElement=focusableElements[focusableElements.length-2];function moveToTheFirst(){firstFocusableElement.focus();}function moveToTheLast(){lastFocusableElement.focus();}document.getElementById('search__popIn__first').addEventListener('focus',function(){moveToTheLast();});document.getElementById('search__popIn__last').addEventListener('focus',function(){moveToTheFirst();});elem.on('keyup',function(e){if(e.keyCode===27){$('.search__button').attr('aria-expanded','false');$('.search__button_open').show();$('.search__button_close').hide();$('.search__popIn').fadeOut('slow');$('.search__button').removeClass('search__button--active');setTimeout(function(){$('.search__button').focus();},500);setTimeout(function(){$('.mainHeader').removeClass('search__popIn--open');},800);$('#search__popIn__first, #search__popIn__last').attr('tabindex',1);};});};$('.search__button, .search__button__mobile').on('click',function(){$(this).toggleClass('search__button--active');if(!$('.search__popIn').is(':visible')){findInsidersSearchPopIn($('.search__popIn'));$('.mainHeader').addClass('search__popIn--open');$('body').css('overflow','hidden');$('#search__popIn__first, #search__popIn__last').attr('tabindex',0);$(this).attr('aria-expanded','true');$(this).find('.search__button_open').hide();$(this).find('.search__button_close').show();$('.search__popIn').fadeIn();TweenMax.fromTo($('.search__popIn .search__field'),2,{y:100,autoAlpha:0},{y:0,autoAlpha:1,delay:0.75,ease:Expo.easeOut});setTimeout(function(){$('.search__popIn .search__input').focus();},1000);$('.corpoHeader').removeClass('menu__open');$('.subMenu__wrapper').removeClass('subMenu__wrapper--active').hide();$('.menu__dropDown').attr('aria-expanded','false').removeClass('menu__dropDown--active');setTimeout(function(){$('.nav__level1__link').attr('aria-expanded','false').removeClass('nav__level1__link--active');$('.subMenu__level2').removeClass('subMenu__level2--active');},500);}else{TweenMax.fromTo($('.search__popIn .search__field'),1.5,{y:0,autoAlpha:1},{y:150,autoAlpha:0,delay:0,ease:Expo.easeOut});setTimeout(function(){$('.mainHeader').removeClass('search__popIn--open');},800);$('body').css('overflow','auto');$('#search__popIn__first, #search__popIn__last').attr('tabindex',1);$(this).attr('aria-expanded','false');$(this).find('.search__button_open').show();$(this).find('.search__button_close').hide();$('.search__popIn').delay(800).fadeOut('slow');setTimeout(function(){$('.search__button').focus();},1000);}});$('.searchResult-loadMore .load-more').on('click',function(){var $parentLi=$(this).closest('li.searchResult-loadMore');setTimeout(function(){var $firstNew=$parentLi.next('li').find('a').first();if($firstNew.length)$firstNew.focus();},200);});var checkbox=document.getElementById('darkMode');if(localStorage.getItem('darkMode')=='true')darkmode();else nodark();checkbox.addEventListener('change',function(){if(checkbox.checked)darkmode();else nodark();});function darkmode(){document.body.classList.add('darkMode');checkbox.checked=true;localStorage.setItem('darkMode','true');}function nodark(){document.body.classList.remove('darkMode');checkbox.checked=false;localStorage.setItem('darkMode','false');}$('.darkMode__input').on('keyup',function(e){if(e.keyCode===13)if(!$('body').hasClass('darkMode'))$('body').addClass('darkMode');else $('body').removeClass('darkMode');;});$('.corpoFooter__top__column--1 button').click(function(){$('html').animate({scrollTop:0},'slow');$('a.evitement, a.skip-to-content-link').focus();});$('body').css('opacity',1);});;
46"use strict";$(document).ready(function(){if(window.matchMedia('(min-width: 1241px)').matches){var headerAnimations=function headerAnimations(){TweenMax.staggerFromTo($('.corpoHeader__logo, .corpoHeader__menu__item, .corpoHeader__tools >

46 li'),0.8,{autoAlpha:0},{autoAlpha:1,delay:0.25},0.2);};headerAnimations();}var lastScrollTop=0;$(window).on('scroll',function(){var $menu=$('.corpoHeader__menu');var $header=$('.corpoHeader');var st=$(this).scrollTop();if(window.innerWidth<1240&&$menu.is(':visible')){lastScrollTop=st;return;}if(st>lastScrollTop)$header.addClass('corpoHeader--scroll').removeClass('corpoHeader--bg');else if(st<100)$header.removeClass('corpoHeader--scroll corpoHeader--bg');else $header.removeClass('corpoHeader--scroll').addClass('corpoHeader--bg');lastScrollTop=st;});function openMenuDialog(){var $stock=$('.corpoHeader__stock');var $nav=$('.corpoHeader__nav');if($('#menuDialog').length===0){var $dialog=$('<div>',{id:'menuDialog',role:'dialog','aria-modal':'true'});$('.corpoHeader__logo').after($dialog);$dialog.append($stock).append($nav);}}function closeMenuDialog(){var $dialog=$('#menuDialog');if($dialog.length){$dialog.find('.corpoHeader__stock').insertAfter('.corpoHeader__logo');$dialog.find('.corpoHeader__nav').insertAfter('.corpoHeader__stock');$dialog.remove();}setTimeout(function(){$('.hamburgerMenu').focus();},500);}var findInsidersDesktop=function findInsidersDesktop(elem){var tabbable=$(elem).find('select, input, textarea, button, a').filter(':visible');var firstTabbable=tabbable.first();var lastTabbable=tabbable.last();firstTabbable.focus();lastTabbable.on('keydown',function(e){if(e.which===9&&!e.shiftKey){e.preventDefault();firstTabbable.focus();}});firstTabbable.on('keydown',function(e){if(e.which===9&&e.shiftKey){e.preventDefault();lastTabbable.focus();}});$(elem).on('keyup',function(e){if(e.keyCode===27){$('.menu__dropDown--active').focus();$('.corpoHeader').removeClass('menu__open');$('html').css('overflow','auto');$('.subMenu__wrapper').removeClass('subMenu__wrapper--active').hide();$('.menu__dropDown').attr('aria-expanded','false').removeClass('menu__dropDown--active');setTimeout(function(){$('.nav__level1__link').attr('aria-expanded','false').removeClass('nav__level1__link--active');$('.subMenu__level2').removeClass('subMenu__level2--active');},500);};});};var findInsidersMobile=function findInsidersMobile(elem){var tabbable=$(elem).find('select, input, textarea, button, a').filter(':visible');var firstTabbable=tabbable.first();var lastTabbable=tabbable.last();setTimeout(function(){$('.corpoHeader__menu__item:first-of-type .menu__dropDown').focus();},100);lastTabbable.on('keydown',function(e){if(e.which===9&&!e.shiftKey){e.preventDefault();firstTabbable.focus();}});firstTabbable.on('keydown',function(e){if(e.which===9&&e.shiftKey){e.preventDefault();lastTabbable.focus();}});$(elem).on('keyup',function(e){if(e.keyCode===27){$('.hamburgerMenu').removeClass('hamburgerMenu--active');$('.corpoHeader').removeClass('corpoHeader--menu-open');$('.search__button__mobile').css('display','flex');$('.corpoHeader__logo').fadeIn();$('.corpoHeader__stock').hide();$('.corpoHeader__tools').hide();$('.corpoHeader__menu').hide();$('.corpoHeader__menu__item').removeClass('corpoHeader__menu__item--active');$('.menu__dropDown ').removeClass('menu__dropDown--active');$('.subMenu__wrapper').removeClass('subMenu__wrapper--active').hide();$('.nav__level1__link').removeClass('nav__level1__link--active');$('.subMenu__level2').removeClass('subMenu__level2--active').hide();TweenMax.to($('.menu__dropDown, .item__level0 > a, .corpoHeader__tools, button.subMenu__level1__link, button.nav__level1__link, .subMenu__wrapper__bottom'),1,{x:0,autoAlpha:1});closeMenuDialog();};});};$('.hamburgerMenu').click(function(){if($('.search__popIn').is(':visible')){$('.search__button').attr('aria-expanded','false');$('.search__button_open').show();$('.search__button_close').hide();$('.search__popIn').fadeOut('slow');$('.search__button').removeClass('search__button--active');setTimeout(function(){$('.search__button').focus();},500);setTimeout(function(){$('.mainHeader').removeClass('search__popIn--open');},800);if($('.search__popIn').length)$('#search__popIn__first, #search__popIn__last').attr('tabindex',1);}if(window.matchMedia('(min-width: 1241px)').matches){$('.corpoHeader').removeClass('corpoHeader--scroll');$('.corpoHeader').addClass('corpoHeader--bg');}else{$(this).toggleClass('hamburgerMenu--active');$('.corpoHeader').toggleClass('corpoHeader--menu-open');if($(this).hasClass('hamburgerMenu--active')){setTimeout(function(){findInsidersMobile('#menuDialog');},500);$('.search__button__mobile').hide();$('.corpoHeader__logo').hide();$('.corpoHeader__stock').css('display','flex').hide().fadeIn();$('.corpoHeader__tools').css('display','flex').hide().fadeIn();$('.corpoHeader__menu').css('display','flex').hide().fadeIn();openMenuDialog();}else{$('.search__button__mobile').css('display','flex');$('.corpoHeader__logo').fadeIn();$('.corpoHeader__stock').hide();$('.corpoHeader__tools').hide();$('.corpoHeader__menu').hide();$('.corpoHeader__menu__item').removeClass('corpoHeader__menu__item--active');$('.menu__dropDown ').removeClass('menu__dropDown--active');$('.subMenu__wrapper').removeClass('subMenu__wrapper--active').hide();$('.nav__level1__link').removeClass('nav__level1__link--active');

46$('.subMenu__level2').removeClass('subMenu__level2--active').hide();TweenMax.to($('.menu__dropDown, .item__level0 > a, .corpoHeader__tools, button.subMenu__level1__link, button.nav__level1__link, .subMenu__wrapper__bottom'),1,{x:0,autoAlpha:1});closeMenuDialog();}}});$('.corpoHeader .menu__dropDown').click(function(){var _this=this;if($('.search__popIn').is(':visible')){$('.search__button').attr('aria-expanded','false');$('.search__button_open').show();$('.search__button_close').hide();$('.search__popIn').fadeOut('slow');$('.search__button').removeClass('search__button--active');setTimeout(function(){$('.search__button').focus();},500);setTimeout(function(){$('.mainHeader').removeClass('search__popIn--open');},800);if($('.search__popIn').length)$('#search__popIn__first, #search__popIn__last').attr('tabindex',1);}if(window.matchMedia('(min-width: 1241px)').matches){setTimeout(function(){findInsidersDesktop('.subMenu__wrapper--active');},500);$('.corpoHeader').removeClass('corpoHeader--scroll').addClass('corpoHeader--bg');if(!$(this).next('.subMenu__wrapper').is(':visible')){$('.subMenu__wrapper').removeClass('subMenu__wrapper--active').hide();$('.menu__dropDown').attr('aria-expanded','false').removeClass('menu__dropDown--active');$('.nav__level1__link').attr('aria-expanded','false').removeClass('nav__level1__link--active');$('.subMenu__level2').removeClass('subMenu__level2--active');$('.corpoHeader').addClass('menu__open');$('html').css('overflow','hidden');$(this).next('.subMenu__wrapper').delay(100).show(0);$(this).next('.subMenu__wrapper').addClass('subMenu__wrapper--active');$(this).attr('aria-expanded','true').addClass('menu__dropDown--active');$(this).next('.subMenu__wrapper').find('.subMenu__level1 li:nth-of-type(2) .nav__level1__link').addClass('nav__level1__link--active').attr('aria-expanded','true');$(this).next('.subMenu__wrapper').find('.subMenu__level1 li:nth-of-type(2) .subMenu__level2').addClass('subMenu__level2--active');var heightMenu=$('.subMenu__wrapper--active .subMenu__level2--active').height();$('.subMenu__wrapper--active').find('.subMenu__level1').css('min-height',heightMenu);}else{$('.corpoHeader').removeClass('menu__open');$('html').css('overflow','auto');$(this).next('.subMenu__wrapper').removeClass('subMenu__wrapper--active').hide();$(this).attr('aria-expanded','false').removeClass('menu__dropDown--active');setTimeout(function(){$('.nav__level1__link').attr('aria-expanded','false').removeClass('nav__level1__link--active');$('.subMenu__level2').removeClass('subMenu__level2--active');},500);}}else{$('.corpoHeader__menu__item .menu__dropDown').removeAttr('aria-expanded');setTimeout(function(){var $li=$(_this).closest('.corpoHeader__menu__item');var $btnBack=$li.find('.btn__back').first();if($btnBack.length)$btnBack.focus();},500);$(this).parents('.corpoHeader__menu__item').addClass('corpoHeader__menu__item--active');$(this).next('.subMenu__wrapper').delay(100).show(0);$(this).next('.subMenu__wrapper').addClass('subMenu__wrapper--active');$(this).addClass('menu__dropDown--active');TweenMax.fromTo($('.menu__dropDown, .item__level0 > a'),1,{x:0,autoAlpha:1},{x:'-100vw',autoAlpha:0,ease:Expo.easeOut});TweenMax.fromTo($('.corpoHeader__tools'),1,{x:0},{x:'-120%',autoAlpha:0,ease:Expo.easeOut});TweenMax.fromTo($(this).parents('.corpoHeader__menu__item').find('.subMenu__wrapper__top, .subMenu__wrapper__bottom'),1,{x:'100vw',autoAlpha:0},{x:0,autoAlpha:1,delay:0,ease:Expo.easeOut});}});function resetSubMenuState($wrapper){var $level2Panels=$wrapper.find('.subMenu__level2');var $level1Btns=$wrapper.find('button.subMenu__level1__link, button.nav__level1__link');TweenMax.set($level2Panels,{clearProps:'all'});TweenMax.set($level1Btns,{clearProps:'all'});$level2Panels.hide().removeClass('subMenu__level2--active');$wrapper.find('.nav__level1__link').attr('aria-expanded','false').removeClass('nav__level1__link--active');}if(window.matchMedia('(max-width: 1240px)').matches){$('.corpoHeader__menu__item .menu__dropDown, .nav__level1__link').removeAttr('aria-expanded');$('.corpoHeader__menu__item .menu__dropDown').removeAttr('aria-label');$('button.nav__level1__link').click(function(){var $level2=$(this).next('.subMenu__level2');var $wrapper=$(this).closest('.subMenu__wrapper');$wrapper.data('lastLevel1Trigger',this);$level2.delay(100).show(0);

46$level2.addClass('subMenu__level2--active');$(this).attr('aria-expanded','true').addClass('nav__level1__link--active');TweenMax.fromTo($level2,1,{x:'100vw',autoAlpha:0},{x:0,autoAlpha:1,delay:0,ease:Expo.easeOut});TweenMax.fromTo($(this).parents('.subMenu__level1').find('button.subMenu__level1__link, button.nav__level1__link'),1,{x:0,autoAlpha:1},{x:'-100vw',autoAlpha:0,ease:Expo.easeOut});TweenMax.fromTo($(this).parents('.subMenu__wrapper').find('.subMenu__wrapper__bottom'),1,{x:0,autoAlpha:1},{x:'-100vw',autoAlpha:0,ease:Expo.easeOut});setTimeout(function(){var $level2Link=$level2.find('.subMenu__level2__link').first();if($level2Link.length)$level2Link.focus();},300);});$('.subMenu__level1__link.btn__back').click(function(){var $li=$(this).closest('.corpoHeader__menu__item');var $trigger=$li.find('> .menu__dropDown').first();$(this).parents('.corpoHeader__menu__item').removeClass('corpoHeader__menu__item--active');$(this).parents('.subMenu__wrapper').removeClass('subMenu__wrapper--active');$(this).parents('.corpoHeader__menu__item').find('.menu__dropDown').removeClass('menu__dropDown--active');$li.find('.subMenu__level2').removeAttr('style');TweenMax.fromTo($('.menu__dropDown, .item__level0 > a'),1,{x:'-100vw',autoAlpha:0},{x:0,autoAlpha:1,ease:Expo.easeOut});TweenMax.fromTo($('.corpoHeader__tools'),1,{x:'-120%',autoAlpha:0},{x:0,autoAlpha:1,ease:Expo.easeOut});var $wrapper=$(this).closest('.subMenu__wrapper');resetSubMenuState($wrapper);setTimeout(function(){if($trigger.length)$trigger.focus();},300);});$('button.subMenu__level2__link').click(function(){var _this2=this;$(this).parents('.subMenu__level2').removeClass('subMenu__level2--active');$(this).parents('.subMenu__block').find('.nav__level1__link').removeClass('nav__level1__link--active');TweenMax.fromTo($(this).parents('.subMenu__level1').find('button.subMenu__level1__link, button.nav__level1__link'),1,{x:'-100vw',autoAlpha:0},{x:0,autoAlpha:1,ease:Expo.easeOut});TweenMax.fromTo($(this).parents('.subMenu__level2'),1,{x:0,autoAlpha:0},{x:'100vw',autoAlpha:1,ease:Expo.easeOut,onComplete:function onComplete(){resetSubMenuState($(_this2).closest('.subMenu__wrapper'));}});var $wrapper=$(this).closest('.subMenu__wrapper');var lastBtn=$wrapper.data('lastLevel1Trigger');console.log(lastBtn);if(lastBtn)setTimeout(function(){if(document.body.contains(lastBtn))lastBtn.focus();},500);});}$('.corpoHeader .nav__level1__link').click(function(){if(!$(this).next('.subMenu__level2').is(':visible')){setTimeout(function(){var heightMenu=$('.subMenu__wrapper--active .subMenu__level2--active').height();$('.subMenu__wrapper--active').find('.subMenu__level1').css('min-height',heightMenu);},100);$('.nav__level1__link').attr('aria-expanded','false').removeClass('nav__level1__link--active');$('.subMenu__level2').removeClass('subMenu__level2--active');$(this).attr('aria-expanded','true').addClass('nav__level1__link--active');$(this).next('.subMenu__level2').addClass('subMenu__level2--active');}});$(document).on('click','.subMenu__close',function(){var $wrapper=$(this).closest('.subMenu__wrapper');var $li=$wrapper.closest('.corpoHeader__menu__item');var $trigger=$li.find('> .menu__dropDown').first();$('.corpoHeader').removeClass('menu__open');$('html').css('overflow','auto');$('.subMenu__wrapper').removeClass('subMenu__wrapper--active').hide();$('.menu__dropDown').attr('aria-expanded','false').removeClass('menu__dropDown--active');$wrapper.attr('aria-hidden','true');setTimeout(function(){$('.nav__level1__link').attr('aria-expanded','false').removeClass('nav__level1__link--active');$('.subMenu__level2').removeClass('subMenu__level2--active');},500);setTimeout(function(){if($trigger.length)$trigger.focus();},0);});});;
47(function(Drupal,drupalSettings,once){'use strict';Drupal.behaviors.sharePrice={attach:function(context,settings){once('share-price','html').forEach(function(element){fetchAsync().then((data)=>updateStock(data)).catch((reason)=>console.log("get stock data error: ",reason.message));async function fetchAsync(){let response=await fetch(drupalSettings.edenred.scheme_and_http_host+"/sites/group/files/symex.json?"+Math.floor(Date.now()/1000));return await response.json();}function updateStock(data){let s_value=(Math.round(data.value*100)/100).toFixed(2);let s_pc=(Math.round(data.value_percent*100)/100).toFixed(2);const stocks=document.querySelectorAll(".js-stock-price");const diffs=document.querySelectorAll(".js-stock-diff");if(stocks)stocks.forEach((stock)=>{stock.innerText=s_value+"€";});

47if(diffs)diffs.forEach((diff)=>{if(s_pc>0){diff.innerText=`+${s_pc}${diff.lang==='en'?'':' '}%`;diff.classList.toggle("green");}else{diff.innerText=`${s_pc}${diff.lang==='en'?'':' '}%`;diff.classList.toggle("green");}});}});}};})(window.Drupal,window.drupalSettings,window.once);;
48class countriesSortKeyup{init(){const countryCtaOpen=document.querySelectorAll('.js-countries-open');countryCtaOpen.forEach((cta)=>{cta.addEventListener('click',(e)=>{e.preventDefault();this.openModal();});});}openModal(){if(jQuery('.popIn__countries .popIn__countries__list').length===0&&jQuery('.popIn__countries__media').length===0)jQuery.ajax({url:drupalSettings.path.baseUrl+drupalSettings.path.pathPrefix+'ajax/edenred/countries/list',success:function(data){jQuery('.popIn__countries .popIn__countries__inner').prepend(data.list);}});}}if(document.querySelector('.popIn__countries')!=null){const countriesSort=new countriesSortKeyup();countriesSort.init();};
49"use strict";$(document).ready(function(){var findInsidersPopInCountries=function findInsidersPopInCountries(elem){var focusableElementsArray=['.popIn__countries a[href]','.popIn__countries button:not([disabled])','.popIn__countries input:not([disabled])','.popIn__countries select:not([disabled])','.popIn__countries textarea:not([disabled])','.popIn__countries [tabindex]:not([tabindex="-1"])'];var focusableElements=document.querySelectorAll(focusableElementsArray);var firstFocusableElement=focusableElements[1];var lastFocusableElement=focusableElements[focusableElements.length-2];function moveToTheFirst(){firstFocusableElement.focus();}function moveToTheLast(){lastFocusableElement.focus();}document.getElementById('popIn__countries__first').addEventListener('focus',function(){moveToTheLast();});document.getElementById('popIn__countries__last').addEventListener('focus',function(){moveToTheFirst();});elem.on('keyup',function(e){if(e.keyCode===27){$('.open__popIn__countries').attr('aria-expanded','false');$('.popIn__countries').fadeOut('slow');$('.corpoHeader').fadeIn();$('.open__popIn__countries').removeClass('open__popIn__countries--active');setTimeout(function(){$('.open__popIn__countries').focus();},500);};});};$('.open__popIn__countries').on('click',function(){$(this).toggleClass('open__popIn__countries--active');if(!$('.popIn__countries').is(':visible')){$('.corpoHeader').hide();findInsidersPopInCountries($('.popIn__countries'));$(this).attr('aria-expanded','true');$('.popIn__countries').css('display','flex').hide().fadeIn();setTimeout(function(){$('.popIn__countries__list li:first-of-type a').focus();},1000);}else{$('.corpoHeader').fadeIn();$(this).attr('aria-expanded','false');$('.popIn__countries').delay(800).fadeOut('slow');setTimeout(function(){$('.open__popIn__countries').focus();},1000);}});$('.popIn__countries__close').on('click',function(){if($('.popIn__countries').is(':visible')){$('.open__popIn__countries').attr('aria-expanded','false');$('.popIn__countries').fadeOut('slow');$('.corpoHeader').fadeIn();$('.open__popIn__countries').removeClass('open__popIn__countries--active');setTimeout(function(){$('.open__popIn__countries').focus();},500);}});});;
50"use strict";$(document).ready(function(){var cursor=document.querySelector('.custom-cursor');if(cursor){var applyCursorSuppressionState=function applyCursorSuppressionState(){if(cursorSuppressed){cursor.classList.add('custom-cursor--hidden');cursor.setAttribute('aria-hidden','true');cursor.classList.remove('custom-cursor--active','custom-cursor--hover','custom-cursor--globe');$('.custom-cursor').removeClass('custom-cursor--hover').find('span').empty();}else{cursor.classList.remove('custom-cursor--hidden');cursor.removeAttribute('aria-hidden');}};var links=document.querySelectorAll('a, button, .slider2Wrapper .buttonsSlider li, .globeContainer, .darkMode__label');var initCursor=false;var cursorSuppressed=false;for(var i=0;i<links.length;i++){var selfLink=links[i];selfLink.addEventListener('mouseover',function(){if(cursorSuppressed)return;cursor.classList.add('custom-cursor--active');var hiddenHover=$(this).find('.cursor-text').html();if(typeof hiddenHover!='undefined')$('.custom-cursor').addClass('custom-cursor--hover').find('span').html(hiddenHover);});selfLink.addEventListener('mouseout',function(){if(cursorSuppressed)return;cursor.classList.remove('custom-cursor--active');$('.custom-cursor').removeClass('custom-cursor--hover').find('span').empty();});}$('.globeContainer').on('mouseover',function(){if(cursorSuppressed)return;$('.custom-cursor').addClass('custom-cursor--globe');});$('.globeContainer').on('mouseout',function(){if(cursorSuppressed)return;$('.custom-cursor').removeClass('custom-cursor--globe');});window.onmousemove=function(e){if(cursorSuppressed)return;var mouseX=e.clientX;var mouseY=e.clientY;TweenLite.to(cursor,0,{top:mouseY+'px',left:mouseX+'px'});};document.addEventListener('keydown',function(e){if(e.key==='Escape'||e.keyCode===27){cursorSuppressed=!cursorSuppressed;applyCursorSuppressionState();}});applyCursorSuppressionState();}});;

51/*!
52 * ScrollTrigger 3.12.2
53 * https://greensock.com
54 * 
55 * @license Copyright 2023, GreenSock. All rights reserved.
56 * Subject to the terms at https://greensock.com/standard-license or for Club GreenSock members, the agreement issued with that membership.
57 * @author: Jack Doyle, [email protected]
58 */
59
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61
62;
63/*!
64 * ScrollSmoother 3.12.2
65 * https://greensock.com
66 * 
67 * @license Copyright 2023, GreenSock. All rights reserved.
68 * This plugin is a membership benefit of Club GreenSock and is only authorized for use in sites/apps/products developed by individuals/companies with an active Club GreenSock membership. See https://greensock.com/club
69 * @author: Jack Doyle, [email protected]
70 */
71
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73
74;
75/*!
76 * SplitText 3.12.2
77 * https://greensock.com
78 * 
79 * @license Copyright 2023, GreenSock. All rights reserved.
80 * This plugin is a membership benefit of Club GreenSock and is only authorized for use in sites/apps/products developed by individuals/companies with an active Club GreenSock membership. See https://greensock.com/club
81 * @author: Jack Doyle, [email protected]
82 */
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84return this.elements.forEach(function(D,u){return D.innerHTML=e[u]}),this.chars=[],this.words=[],this.lines=[],this.isSplit=!1,this},SplitText.create=function create(D,u){return new SplitText(D,u)},SplitText);function SplitText(D,u){F||m(),this.elements=l(D),this.chars=[],this.words=[],this.lines=[],this._originals=[],this.vars=u||{},i(this),this.split(u)}d.version="3.12.2",d.register=m,D.SplitText=d,D.default=d;if (typeof(window)==="undefined"||window!==D){Object.defineProperty(D,"__esModule",{value:!0})} else {delete D.default}});
85
86;
87/**
88 * Swiper 10.0.4
89 * Most modern mobile touch slider and framework with hardware accelerated transitions
90 * https://swiperjs.com
91 *
92 * Copyright 2014-2023 Vladimir Kharlampidi
93 *
94 * Released under the MIT License
95 *
96 * Released on: July 8, 2023
97 */
98
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t=this,s=t.rtlTranslate?t.translate:-t.translate,{snapGrid:a,params:i,activeIndex:r,realIndex:n,snapIndex:l}=t;let o,d=e;const c=e=>{let s=e-t.virtual.slidesBefore;return s<0&&(s=t.virtual.slides.length+s),s>=t.virtual.slides.length&&(s-=t.virtual.slides.length),s};if(void 0===d&&(d=function(e){const{slidesGrid:t,params:s}=e,a=e.rtlTranslate?e.translate:-e.translate;let i;for(let e=0;e<t.length;e+=1)void 0!==t[e+1]?a>=t[e]&&a<t[e+1]-(t[e+1]-t[e])/2?i=e:a>=t[e]&&a<t[e+1]&&(i=e+1):a>=t[e]&&(i=e);return s.normalizeSlideIndex&&(i<0||void 0===i)&&(i=0),i}(t)),a.indexOf(s)>=0)o=a.indexOf(s);else{const e=Math.min(i.slidesPerGroupSkip,d);o=e+Math.floor((d-e)/i.slidesPerGroup)}if(o>=a.length&&(o=a.length-1),d===r)return o!==l&&(t.snapIndex=o,t.emit("snapIndexChange")),void(t.params.loop&&t.virtual&&t.params.virtual.enabled&&(t.realIndex=c(d)));let p;p=t.virtual&&i.virtual.enabled&&i.loop?c(d):t.slides[d]?parseInt(t.slides[d].getAttribute("data-swiper-slide-index")||d,10):d,Object.assign(t,{previousSnapIndex:l,snapIndex:o,previousRealIndex:n,realIndex:p,previousIndex:r,activeIndex:d}),t.initialized&&$(t),t.emit("activeIndexChange"),t.emit("snapIndexChange"),n!==p&&t.emit("realIndexChange"),(t.initialized||t.params.runCallbacksOnInit)&&t.emit("slideChange")},updateClickedSlide:function(e){const t=this,s=t.params,a=e.closest(`.${s.slideClass}, swiper-slide`);let i,r=!1;if(a)for(let e=0;e<t.slides.length;e+=1)if(t.slides[e]===a){r=!0,i=e;break}if(!a||!r)return t.clickedSlide=void 0,void(t.clickedIndex=void 0);t.clickedSlide=a,t.virtual&&t.params.virtual.enabled?t.clickedIndex=parseInt(a.getAttribute("data-swiper-slide-index"),10):t.clickedIndex=i,s.slideToClickedSlide&&void 0!==t.clickedIndex&&t.clickedIndex!==t.activeIndex&&t.slideToClickedSlide()}};var k={getTranslate:function(e){void 0===e&&(e=this.isHorizontal()?"x":"y");const{params:t,rtlTranslate:s,translate:a,wrapperEl:i}=this;if(t.virtualTranslate)return s?-a:a;if(t.cssMode)return a;let r=o(i,e);return r+=this.cssOverflowAdjustment(),s&&(r=-r),r||0},setTranslate:function(e,t){const s=this,{rtlTranslate:a,params:i,wrapperEl:r,progress:n}=s;let l,o=0,d=0;s.isHorizontal()?o=a?-e:e:d=e,i.roundLengths&&(o=Math.floor(o),d=Math.floor(d)),s.previousTranslate=s.translate,s.translate=s.isHorizontal()?o:d,i.cssMode?r[s.isHorizontal()?"scrollLeft":"scrollTop"]=s.isHorizontal()?-o:-d:i.virtualTranslate||(s.isHorizontal()?o-=s.cssOverflowAdjustment():d-=s.cssOverflowAdjustment(),r.style.transform=`translate3d(${o}px, ${d}px, 0px)`);const c=s.maxTranslate()-s.minTranslate();l=0===c?0:(e-s.minTranslate())/c,l!==n&&s.updateProgress(e),s.emit("setTranslate",s.translate,t)},minTranslate:function(){return-this.snapGrid[0]},maxTranslate:function(){return-this.snapGrid[this.snapGrid.length-1]},translateTo:function(e,t,s,a,i){void 0===e&&(e=0),void 0===t&&(t=this.params.speed),void 0===s&&(s=!0),void 0===a&&(a=!0);const r=this,{params:n,wrapperEl:l}=r;if(r.animating&&n.preventInteractionOnTransition)return!1;const o=r.minTranslate(),d=r.maxTranslate();let c;if(c=a&&e>

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O(e){let{swiper:t,runCallbacks:s,direction:a,step:i}=e;const{activeIndex:r,previousIndex:n}=t;let l=a;if(l||(l=r>n?"next":r<n?"prev":"reset"),t.emit(`transition${i}`),s&&r!==n){if("reset"===l)return void t.emit(`slideResetTransition${i}`);t.emit(`slideChangeTransition${i}`),"next"===l?t.emit(`slideNextTransition${i}`):t.emit(`slidePrevTransition${i}`)}}var D={slideTo:function(e,t,s,a,i){void 0===e&&(e=0),void 0===t&&(t=this.params.speed),void 0===s&&(s=!0),"string"==typeof e&&(e=parseInt(e,10));const r=this;let n=e;n<0&&(n=0);const{params:l,snapGrid:o,slidesGrid:d,previousIndex:c,activeIndex:p,rtlTranslate:m,wrapperEl:h,enabled:f}=r;if(r.animating&&l.preventInteractionOnTransition||!f&&!a&&!i)return!1;const g=Math.min(r.params.slidesPerGroupSkip,n);let v=g+Math.floor((n-g)/r.params.slidesPerGroup);v>=o.length&&(v=o.length-1);const w=-o[v];if(l.normalizeSlideIndex)for(let e=0;e<d.length;e+=1){const t=-Math.floor(100*w),s=Math.floor(100*d[e]),a=Math.floor(100*d[e+1]);void 0!==d[e+1]?t>=s&&t<a-(a-s)/2?n=e:t>=s&&t<a&&(n=e+1):t>=s&&(n=e)}if(r.initialized&&n!==p){if(!r.allowSlideNext&&(m?w>r.translate&&w>r.minTranslate():w<r.translate&&w<r.minTranslate()))return!1;if(!r.allowSlidePrev&&w>r.translate&&w>r.maxTranslate()&&(p||0)!==n)return!1}let b;if(n!==(c||0)&&s&&r.emit("beforeSlideChangeStart"),r.updateProgress(w),b=n>p?"next":n<p?"prev":"reset",m&&-w===r.translate||!m&&w===r.translate)return r.updateActiveIndex(n),l.autoHeight&&r.updateAutoHeight(),r.updateSlidesClasses(),"slide"!==l.effect&&r.setTranslate(w),"reset"!==b&&(r.transitionStart(s,b),r.transitionEnd(s,b)),!1;if(l.cssMode){const e=r.isHorizontal(),s=m?w:-w;if(0===t){const t=r.virtual&&r.params.virtual.enabled;t&&(r.wrapperEl.style.scrollSnapType="none",r._immediateVirtual=!0),t&&!r._cssModeVirtualInitialSet&&r.params.initialSlide>0?(r._cssModeVirtualInitialSet=!0,requestAnimationFrame((()=>{h[e?"scrollLeft":"scrollTop"]=s}))):h[e?"scrollLeft":"scrollTop"]=s,t&&requestAnimationFrame((()=>{r.wrapperEl.style.scrollSnapType="",r._immediateVirtual=!1}))}else{if(!r.support.smoothScroll)return u({swiper:r,targetPosition:s,side:e?"left":"top"}),!0;h.scrollTo({[e?"left":"top"]:s,behavior:"smooth"})}return!0}return r.setTransition(t),r.setTranslate(w),r.updateActiveIndex(n),r.updateSlidesClasses(),r.emit("beforeTransitionStart",t,a),r.transitionStart(s,b),0===t?r.transitionEnd(s,b):r.animating||(r.animating=!0,r.onSlideToWrapperTransitionEnd||(r.onSlideToWrapperTransitionEnd=function(e){r&&!r.destroyed&&e.target===this&&(r.wrapperEl.removeEventListener("transitionend",r.onSlideToWrapperTransitionEnd),r.onSlideToWrapperTransitionEnd=null,delete r.onSlideToWrapperTransitionEnd,r.transitionEnd(s,b))}),r.wrapperEl.addEventListener("transitionend",r.onSlideToWrapperTransitionEnd)),!0},slideToLoop:function(e,t,s,a){if(void 0===e&&(e=0),void 0===t&&(t=this.params.speed),void 0===s&&(s=!0),"string"==typeof e){e=parseInt(e,10)}const i=this;let r=e;return i.params.loop&&(i.virtual&&i.params.virtual.enabled?r+=i.virtual.slidesBefore:r=i.getSlideIndexByData(r)),i.slideTo(r,t,s,a)},slideNext:function(e,t,s){void 0===e&&(e=this.params.speed),void 0===t&&(t=!0);const a=this,{enabled:i,params:r,animating:n}=a;if(!i)return a;let l=r.slidesPerGroup;"auto"===r.slidesPerView&&1===r.slidesPerGroup&&r.slidesPerGroupAuto&&(l=Math.max(a.slidesPerViewDynamic("current",!0),1));const o=a.activeIndex<r.slidesPerGroupSkip?1:l,d=a.virtual&&r.virtual.enabled;if(r.loop){if(n&&!d&&r.loopPreventsSliding)return!1;a.loopFix({direction:"next"}),a._clientLeft=a.wrapperEl.clientLeft}return r.rewind&&a.isEnd?a.slideTo(0,e,t,s):a.slideTo(a.activeIndex+o,e,t,s)},slidePrev:function(e,t,s){void 0===e&&(e=this.params.speed),void 0===t&&(t=!0);const a=this,{params:i,snapGrid:r,slidesGrid:n,rtlTranslate:l,enabled:o,animating:d}=a;if(!o)return a;const c=a.virtual&&i.virtual.enabled;if(i.loop){if(d&&!c&&i.loopPreventsSliding)return!1;a.loopFix({direction:"prev"}),a._clientLeft=a.wrapperEl.clientLeft}function p(e){return e<0?-Math.floor(Math.abs(e)):Math.floor(e)}const u=p(l?a.translate:-a.translate),m=r.map((e=>p(e)));let h=r[m.indexOf(u)-1];if(void 0===h&&i.cssMode){let e;r.forEach(((t,s)=>{u>=t&&(e=s)})),void 0!==e&&(h=r[e>0?e-1:e])}let f=0;if(void 0!==h&&(f=n.indexOf(h),f<0&&(f=a.activeIndex-1),"auto"===i.slidesPerView&&1===i.slidesPerGroup&&i.slidesPerGroupAuto&&(f=f-a.slidesPerViewDynamic("previous",!0)+1,f=Math.max(f,0))),i.rewind&&a.isBeginning){const i=a.params.virtual&&a.params.virtual.enabled&&a.virtual?a.virtual.slides.length-1:a.slides.length-1;return a.slideTo(i,e,t,s)}return a.slideTo(f,e,t,s)},slideReset:function(e,t,s){return void 0===e&&(e=this.params.speed),void 0===t&&(t=!0),this.slideTo(this.activeIndex,e,t,s)},slideToClosest:function(e,t,s,a){void 0===e&&(e=this.params.speed),void 0===t&&(t=!0),void 0===a&&(a=.5);const i=this;let r=i.activeIndex;const n=Math.min(i.params.slidesPerGroupSkip,r),l=n+Math.floor((r-n)/i.params.slidesPerGroup),o=i.rtlTranslate?i.translate:-i.translate;if(o>=i.snapGrid[l]){const e=i.snapGrid[l];o-e>(i.snapGrid[l+1]-e)*a&&(r+=i.params.slidesPerGroup)}else{const e=i.snapGrid[l-1];o-e<=(i.snapGrid[l]-e)*a&&(r-=i.params.slidesPerGroup)}return r=Math.max(r,0),r=Math.min(r,i.slidesGrid.length-1),i.slideTo(r,e,t,s)},slideToClickedSlide:function(){const e=this,{params:t,slidesEl:s}=e,a="auto"===t.slidesPerView?e.slidesPerViewDynamic():t.slidesPerView;let i,r=e.clickedIndex;const l=e.isElement?"swiper-slide":`.${t.slideClass}`;if(t.loop){if(e.animating)return;i=parseInt(e.clickedSlide.getAttribute("data-swiper-slide-index"),10),t.centeredSlides?r<e.loopedSlides-a/2||r>e.slides.length-e.loopedSlides+a/2?(e.loopFix(),r=e.getSlideIndex(h(s,`${l}[data-swiper-slide-index="${i}"]`)[0]),n((()=>{e.slideTo(r)}))):e.slideTo(r):r>e.slides.length-a?(e.loopFix(),r=e.getSlideIndex(h(s,`${l}[data-swiper-slide-index="${i}"]`)[0]),n((()=>{e.slideTo(r)}))):e.slideTo(r)}else e.slideTo(r)}};var G={loopCreate:function(e){const t=this,{params:s,slidesEl:a}=t;if(!s.loop||t.virtual&&t.params.virtual.enabled)return;h(a,`.${s.slideClass}, swiper-slide`).forEach(((e,t)=>{e.setAttribute("data-swiper-slide-index",t)})),t.loopFix({slideRealIndex:e,direction:s.centeredSlides?void 0:"next"})},loopFix:function(e){let{slideRealIndex:t,slideTo:s=!0,direction:a,setTranslate:i,activeSlideIndex:r,byController:n,byMousewheel:l}=void 0===e?{}:e;const o=this;if(!o.params.loop)return;o.emit("beforeLoopFix");const{slides:d,allowSlidePrev:c,allowSlideNext:p,slidesEl:u,params:m}=o;if(o.allowSlidePrev=!0,o.allowSlideNext=!0,o.virtual&&m.virtual.enabled)return s&&(m.centeredSlides||0!==o.snapIndex?m.centeredSlides&&o.snapIndex<m.slidesPerView?o.slideTo(o.virtual.slides.length+o.snapIndex,0,!1,!0):o.snapIndex===o.snapGrid.length-1&&o.slideTo(o.virtual.slidesBefore,0,!1,!0):o.slideTo(o.virtual.slides.length,0,!1,!0)),o.allowSlidePrev=c,o.allowSlideNext=p,void o.emit("loopFix");const h="auto"===m.slidesPerView?o.slidesPerViewDynamic():Math.ceil(parseFloat(m.slidesPerView,10));let f=m.loopedSlides||h;f%m.slidesPerGroup!=0&&(f+=m.slidesPerGroup-f%m.slidesPerGroup),o.loopedSlides=f;const g=[],v=[];let w=o.activeIndex;void 0===r?r=o.getSlideIndex(o.slides.filter((e=>e.classList.contains(m.slideActiveClass)))[0]):w=r;

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e=o.slidesGrid[w],t=o.slidesGrid[w-x]-e;l?o.setTranslate(o.translate-t):(o.slideTo(w-x,0,!1,!0),i&&(o.touches[o.isHorizontal()?"startX":"startY"]+=t))}else o.slideToLoop(t,0,!1,!0);if(o.allowSlidePrev=c,o.allowSlideNext=p,o.controller&&o.controller.control&&!n){const e={slideRealIndex:t,slideTo:!1,direction:a,setTranslate:i,activeSlideIndex:r,byController:!0};Array.isArray(o.controller.control)?o.controller.control.forEach((t=>{!t.destroyed&&t.params.loop&&t.loopFix(e)})):o.controller.control instanceof o.constructor&&o.controller.control.params.loop&&o.controller.control.loopFix(e)}o.emit("loopFix")},loopDestroy:function(){const e=this,{params:t,slidesEl:s}=e;if(!t.loop||e.virtual&&e.params.virtual.enabled)return;e.recalcSlides();const a=[];e.slides.forEach((e=>{const t=void 0===e.swiperSlideIndex?1*e.getAttribute("data-swiper-slide-index"):e.swiperSlideIndex;a[t]=e})),e.slides.forEach((e=>{e.removeAttribute("data-swiper-slide-index")})),a.forEach((e=>{s.append(e)})),e.recalcSlides(),e.slideTo(e.realIndex,0)}};function H(e){const t=this,s=a(),i=r(),n=t.touchEventsData;n.evCache.push(e);const{params:o,touches:d,enabled:c}=t;if(!c)return;if(!o.simulateTouch&&"mouse"===e.pointerType)return;if(t.animating&&o.preventInteractionOnTransition)return;!t.animating&&o.cssMode&&o.loop&&t.loopFix();let p=e;p.originalEvent&&(p=p.originalEvent);let u=p.target;if("wrapper"===o.touchEventsTarget&&!t.wrapperEl.contains(u))return;if("which"in p&&3===p.which)return;if("button"in p&&p.button>0)return;if(n.isTouched&&n.isMoved)return;const m=!!o.noSwipingClass&&""!==o.noSwipingClass,h=e.composedPath?e.composedPath():e.path;m&&p.target&&p.target.shadowRoot&&h&&(u=h[0]);const f=o.noSwipingSelector?o.noSwipingSelector:`.${o.noSwipingClass}`,g=!(!p.target||!p.target.shadowRoot);if(o.noSwiping&&(g?function(e,t){return void 0===t&&(t=this),function t(s){if(!s||s===a()||s===r())return null;s.assignedSlot&&(s=s.assignedSlot);const i=s.closest(e);return i||s.getRootNode?i||t(s.getRootNode().host):null}(t)}(f,u):u.closest(f)))return void(t.allowClick=!0);if(o.swipeHandler&&!u.closest(o.swipeHandler))return;d.currentX=p.pageX,d.currentY=p.pageY;const v=d.currentX,w=d.currentY,b=o.edgeSwipeDetection||o.iOSEdgeSwipeDetection,y=o.edgeSwipeThreshold||o.iOSEdgeSwipeThreshold;if(b&&(v<=y||v>=i.innerWidth-y)){if("prevent"!==b)return;e.preventDefault()}Object.assign(n,{isTouched:!0,isMoved:!1,allowTouchCallbacks:!0,isScrolling:void 0,startMoving:void 0}),d.startX=v,d.startY=w,n.touchStartTime=l(),t.allowClick=!0,t.updateSize(),t.swipeDirection=void 0,o.threshold>0&&(n.allowThresholdMove=!1);let E=!0;u.matches(n.focusableElements)&&(E=!1,"SELECT"===u.nodeName&&(n.isTouched=!1)),s.activeElement&&s.activeElement.matches(n.focusableElements)&&s.activeElement!==u&&s.activeElement.blur();const x=E&&t.allowTouchMove&&o.touchStartPreventDefault;!o.touchStartForcePreventDefault&&!x||u.isContentEditable||p.preventDefault(),o.freeMode&&o.freeMode.enabled&&t.freeMode&&t.animating&&!o.cssMode&&t.freeMode.onTouchStart(),t.emit("touchStart",p)}function X(e){const t=a(),s=this,i=s.touchEventsData,{params:r,touches:n,rtlTranslate:o,enabled:d}=s;if(!d)return;if(!r.simulateTouch&&"mouse"===e.pointerType)return;let c=e;if(c.originalEvent&&(c=c.originalEvent),!i.isTouched)return void(i.startMoving&&i.isScrolling&&s.emit("touchMoveOpposite",c));const p=i.evCache.findIndex((e=>e.pointerId===c.pointerId));p>=0&&(i.evCache[p]=c);const u=i.evCache.length>1?i.evCache[0]:c,m=u.pageX,h=u.pageY;if(c.preventedByNestedSwiper)return n.startX=m,void(n.startY=h);if(!s.allowTouchMove)return c.target.matches(i.focusableElements)||(s.allowClick=!1),void(i.isTouched&&(Object.assign(n,{startX:m,startY:h,prevX:s.touches.currentX,prevY:s.touches.currentY,currentX:m,currentY:h}),i.touchStartTime=l()));if(r.touchReleaseOnEdges&&!r.loop)if(s.isVertical()){if(h<n.startY&&s.translate<=s.maxTranslate()||h>n.startY&&s.translate>=s.minTranslate())return i.isTouched=!1,void(i.isMoved=!1)}else if(m<n.startX&&s.translate<=s.maxTranslate()||m>n.startX&&s.translate>=s.minTranslate())return;if(t.activeElement&&c.target===t.activeElement&&c.target.matches(i.focusableElements))return i.isMoved=!0,void(s.allowClick=!1);if(i.allowTouchCallbacks&&s.emit("touchMove",c),c.targetTouches&&c.targetTouches.length>1)return;n.currentX=m,n.currentY=h;const f=n.currentX-n.startX,g=n.currentY-n.startY;if(s.params.threshold&&Math.sqrt(f**2+g**2)<s.params.threshold)return;if(void 0===i.isScrolling){let 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y=s.params.loop&&!r.cssMode;if(!i.isMoved){if(y&&s.loopFix({direction:s.swipeDirection}),i.startTranslate=s.getTranslate(),s.setTransition(0),s.animating){const e=new window.CustomEvent("transitionend",{bubbles:!0,cancelable:!0});

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99)}let F=!1;function _(){}const V=(e,t)=>{const s=a(),{params:i,el:r,wrapperEl:n,device:l}=e,o=!!i.nested,d="on"===t?"addEventListener":"removeEventListener",c=t;r[d]("pointerdown",e.onTouchStart,{passive:!1}),s[d]("pointermove",e.onTouchMove,{passive:!1,capture:o}),s[d]("pointerup",e.onTouchEnd,{passive:!0}),s[d]("pointercancel",e.onTouchEnd,{passive:!0}),s[d]("pointerout",e.onTouchEnd,{passive:!0}),s[d]("pointerleave",e.onTouchEnd,{passive:!0}),(i.preventClicks||i.preventClicksPropagation)&&r[d]("click",e.onClick,!0),i.cssMode&&n[d]("scroll",e.onScroll),i.updateOnWindowResize?e[c](l.ios||l.android?"resize orientationchange observerUpdate":"resize observerUpdate",B,!0):e[c]("observerUpdate",B,!0),r[d]("load",e.onLoad,{capture:!0})};const j=(e,t)=>e.grid&&t.grid&&t.grid.rows>1;var W={init:!0,direction:"horizontal",oneWayMovement:!1,touchEventsTarget:"wrapper",initialSlide:0,speed:300,cssMode:!1,updateOnWindowResize:!0,resizeObserver:!0,nested:!1,createElements:!1,enabled:!0,focusableElements:"input, select, option, textarea, button, video, label",width:null,height:null,preventInteractionOnTransition:!1,userAgent:null,url:null,edgeSwipeDetection:!1,edgeSwipeThreshold:20,autoHeight:!1,setWrapperSize:!1,virtualTranslate:!1,effect:"slide",breakpoints:void 0,breakpointsBase:"window",spaceBetween:0,slidesPerView:1,slidesPerGroup:1,slidesPerGroupSkip:0,slidesPerGroupAuto:!1,centeredSlides:!1,centeredSlidesBounds:!1,slidesOffsetBefore:0,slidesOffsetAfter:0,normalizeSlideIndex:!0,centerInsufficientSlides:!1,watchOverflow:!0,roundLengths:!1,touchRatio:1,touchAngle:45,simulateTouch:!0,shortSwipes:!0,longSwipes:!0,longSwipesRatio:.5,longSwipesMs:300,followFinger:!0,allowTouchMove:!0,threshold:5,touchMoveStopPropagation:!1,touchStartPreventDefault:!0,touchStartForcePreventDefault:!1,touchReleaseOnEdges:!1,uniqueNavElements:!0,resistance:!0,resistanceRatio:.85,watchSlidesProgress:!1,grabCursor:!1,preventClicks:!0,preventClicksPropagation:!0,slideToClickedSlide:!1,loop:!1,loopedSlides:null,loopPreventsSliding:!0,rewind:!1,allowSlidePrev:!0,allowSlideNext:!0,swipeHandler:null,noSwiping:!0,noSwipingClass:"swiper-no-swiping",noSwipingSelector:null,passiveListeners:!0,maxBackfaceHiddenSlides:10,containerModifierClass:"swiper-",slideClass:"swiper-slide",slideActiveClass:"swiper-slide-active",slideVisibleClass:"swiper-slide-visible",slideNextClass:"swiper-slide-next",slidePrevClass:"swiper-slide-prev",wrapperClass:"swiper-wrapper",lazyPreloaderClass:"swiper-lazy-preloader",lazyPreloadPrevNext:0,runCallbacksOnInit:!0,_emitClasses:!1};function U(e,t){return function(s){void 0===s&&(s={});const a=Object.keys(s)[0],i=s[a];"object"==typeof i&&null!==i?(["navigation","pagination","scrollbar"].indexOf(a)>=0&&!0===e[a]&&(e[a]={auto:!0}),a in e&&"enabled"in i?(!0===e[a]&&(e[a]={enabled:!0}),"object"!=typeof e[a]||"enabled"in e[a]||(e[a].enabled=!0),e[a]||(e[a]={enabled:!1}),c(t,s)):c(t,s)):c(t,s)}}const K={eventsEmitter:L,update:I,translate:k,transition:{setTransition:function(e,t){const s=this;s.params.cssMode||(s.wrapperEl.style.transitionDuration=`${e}ms`),s.emit("setTransition",e,t)},transitionStart:function(e,t){void 0===e&&(e=!0);const s=this,{params:a}=s;a.cssMode||(a.autoHeight&&s.updateAutoHeight(),O({swiper:s,runCallbacks:e,direction:t,step:"Start"}))},transitionEnd:function(e,t){void 0===e&&(e=!0);const s=this,{params:a}=s;s.animating=!1,a.cssMode||(s.setTransition(0),O({swiper:s,runCallbacks:e,direction:t,step:"End"}))}},slide:D,loop:G,grabCursor:{setGrabCursor:function(e){const t=this;if(!t.params.simulateTouch||t.params.watchOverflow&&t.isLocked||t.params.cssMode)return;const s="container"===t.params.touchEventsTarget?t.el:t.wrapperEl;t.isElement&&(t.__preventObserver__=!0),s.style.cursor="move",s.style.cursor=e?"grabbing":"grab",t.isElement&&requestAnimationFrame((()=>{t.__preventObserver__=!1}))},unsetGrabCursor:function(){const e=this;e.params.watchOverflow&&e.isLocked||e.params.cssMode||(e.isElement&&(e.__preventObserver__=!0),e["container"===e.params.touchEventsTarget?"el":"wrapperEl"].style.cursor="",e.isElement&&requestAnimationFrame((()=>{e.__preventObserver__=!1})))}},events:{attachEvents:function(){const e=this,t=a(),{params:s}=e;e.onTouchStart=H.bind(e),e.onTouchMove=X.bind(e),e.onTouchEnd=Y.bind(e),s.cssMode&&(e.onScroll=R.bind(e)),e.onClick=N.bind(e),e.onLoad=q.bind(e),F||(t.addEventListener("touchstart",_),F=!0),V(e,"on")},detachEvents:function(){V(this,"off")}},breakpoints:{setBreakpoint:function(){const e=this,{realIndex:t,initialized:s,params:a,el:i}=e,r=a.breakpoints;if(!r||r&&0===Object.keys(r).length)return;

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h=e.params.enabled;Object.assign(e,{allowTouchMove:e.params.allowTouchMove,allowSlideNext:e.params.allowSlideNext,allowSlidePrev:e.params.allowSlidePrev}),p&&!h?e.disable():!p&&h&&e.enable(),e.currentBreakpoint=n,e.emit("_beforeBreakpoint",l),m&&s&&(e.loopDestroy(),e.loopCreate(t),e.updateSlides()),e.emit("breakpoint",l)},getBreakpoint:function(e,t,s){if(void 0===t&&(t="window"),!e||"container"===t&&!s)return;let a=!1;const i=r(),n="window"===t?i.innerHeight:s.clientHeight,l=Object.keys(e).map((e=>{if("string"==typeof e&&0===e.indexOf("@")){const t=parseFloat(e.substr(1));return{value:n*t,point:e}}return{value:e,point:e}}));l.sort(((e,t)=>parseInt(e.value,10)-parseInt(t.value,10)));for(let e=0;e<l.length;e+=1){const{point:r,value:n}=l[e];"window"===t?i.matchMedia(`(min-width: ${n}px)`).matches&&(a=r):n<=s.clientWidth&&(a=r)}return a||"max"}},checkOverflow:{checkOverflow:function(){const e=this,{isLocked:t,params:s}=e,{slidesOffsetBefore:a}=s;if(a){const 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101"use strict";function _wrapNativeSuper(Class){var _cache=typeof Map==="function"?new Map():undefined;_wrapNativeSuper=function _wrapNativeSuper(Class){if(Class===null||!_isNativeFunction(Class))return Class;if(typeof Class!=="function"){throw new TypeError("Super expression must either be null or a function");}

101if(typeof _cache!=="undefined"){if(_cache.has(Class))return _cache.get(Class);_cache.set(Class,Wrapper);}function Wrapper(){return _construct(Class,arguments,_getPrototypeOf(this).constructor);}Wrapper.prototype=Object.create(Class.prototype,{constructor:{value:Wrapper,enumerable:false,writable:true,configurable:true}});return _setPrototypeOf(Wrapper,Class);};return _wrapNativeSuper(Class);}function _construct(Parent,args,Class){if(_isNativeReflectConstruct()){_construct=Reflect.construct.bind();}else{_construct=function _construct(Parent,args,Class){var a=[null];a.push.apply(a,args);var Constructor=Function.bind.apply(Parent,a);var instance=new Constructor();if(Class)_setPrototypeOf(instance,Class.prototype);return instance;};}return _construct.apply(null,arguments);}function _isNativeFunction(fn){return Function.toString.call(fn).indexOf("[native code]")!==-1;}function _toConsumableArray(arr){return _arrayWithoutHoles(arr)||_iterableToArray(arr)||_unsupportedIterableToArray(arr)||_nonIterableSpread();}function _nonIterableSpread(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}function _iterableToArray(iter){if(typeof Symbol!=="undefined"&&iter[Symbol.iterator]!=null||iter["@@iterator"]!=null)return Array.from(iter);}function _arrayWithoutHoles(arr){if(Array.isArray(arr))return _arrayLikeToArray(arr);}function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg);var value=info.value;}catch(error){reject(error);return;}if(info.done){resolve(value);}else{Promise.resolve(value).then(_next,_throw);}}function _asyncToGenerator(fn){return function(){var self=this,args=arguments;return new Promise(function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value);}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err);}_next(undefined);});};}function _createForOfIteratorHelper(o,allowArrayLike){var it=typeof Symbol!=="undefined"&&o[Symbol.iterator]||o["@@iterator"];if(!it){if(Array.isArray(o)||(it=_unsupportedIterableToArray(o))||allowArrayLike&&o&&typeof o.length==="number"){if(it)o=it;var i=0;var F=function F(){};return{s:F,n:function n(){if(i>=o.length)return{done:true};return{done:false,value:o[i++]};},e:function e(_e3){throw _e3;},f:F};}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}var normalCompletion=true,didErr=false,err;return{s:function s(){it=it.call(o);},n:function n(){var step=it.next();normalCompletion=step.done;return step;},e:function e(_e4){didErr=true;err=_e4;},f:function f(){try{if(!normalCompletion&&it.return!=null)it.return();}finally{if(didErr)throw err;}}};}function _slicedToArray(arr,i){return _arrayWithHoles(arr)||_iterableToArrayLimit(arr,i)||_unsupportedIterableToArray(arr,i)||_nonIterableRest();}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");}function _unsupportedIterableToArray(o,minLen){if(!o)return;if(typeof o==="string")return _arrayLikeToArray(o,minLen);var n=Object.prototype.toString.call(o).slice(8,-1);if(n==="Object"&&o.constructor)n=o.constructor.name;if(n==="Map"||n==="Set")return Array.from(o);if(n==="Arguments"||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))return _arrayLikeToArray(o,minLen);}function _arrayLikeToArray(arr,len){if(len==null||len>arr.length)len=arr.length;for(var i=0,arr2=new Array(len);i<len;i++)arr2[i]=arr[i];return arr2;}function _iterableToArrayLimit(arr,i){var _i=null==arr?null:"undefined"!=typeof Symbol&&arr[Symbol.iterator]||arr["@@iterator"];if(null!=_i){var _s,_e,_x,_r,_arr=[],_n=!0,_d=!1;try{if(_x=(_i=_i.call(arr)).next,0===i){if(Object(_i)!==_i)return;_n=!1;}else for(;!(_n=(_s=_x.call(_i)).done)&&(_arr.push(_s.value),_arr.length!==i);_n=!0);}catch(err){_d=!0,_e=err;}

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regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */_regeneratorRuntime=function _regeneratorRuntime(){return exports;};var exports={},Op=Object.prototype,hasOwn=Op.hasOwnProperty,defineProperty=Object.defineProperty||function(obj,key,desc){obj[key]=desc.value;},$Symbol="function"==typeof Symbol?Symbol:{},iteratorSymbol=$Symbol.iterator||"@@iterator",asyncIteratorSymbol=$Symbol.asyncIterator||"@@asyncIterator",toStringTagSymbol=$Symbol.toStringTag||"@@toStringTag";function define(obj,key,value){return Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}),obj[key];}try{define({},"");}catch(err){define=function define(obj,key,value){return obj[key]=value;};}function wrap(innerFn,outerFn,self,tryLocsList){var protoGenerator=outerFn&&outerFn.prototype instanceof Generator?outerFn:Generator,generator=Object.create(protoGenerator.prototype),context=new Context(tryLocsList||[]);return defineProperty(generator,"_invoke",{value:makeInvokeMethod(innerFn,self,context)}),generator;}function tryCatch(fn,obj,arg){try{return{type:"normal",arg:fn.call(obj,arg)};}catch(err){return{type:"throw",arg:err};}}exports.wrap=wrap;var ContinueSentinel={};function Generator(){}function GeneratorFunction(){}function GeneratorFunctionPrototype(){}var IteratorPrototype={};define(IteratorPrototype,iteratorSymbol,function(){return this;});var getProto=Object.getPrototypeOf,NativeIteratorPrototype=getProto&&getProto(getProto(values([])));NativeIteratorPrototype&&NativeIteratorPrototype!==Op&&hasOwn.call(NativeIteratorPrototype,iteratorSymbol)&&(IteratorPrototype=NativeIteratorPrototype);var Gp=GeneratorFunctionPrototype.prototype=Generator.prototype=Object.create(IteratorPrototype);function defineIteratorMethods(prototype){["next","throw","return"].forEach(function(method){define(prototype,method,function(arg){return this._invoke(method,arg);});});}function AsyncIterator(generator,PromiseImpl){function invoke(method,arg,resolve,reject){var record=tryCatch(generator[method],generator,arg);

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methodName=context.method,method=delegate.iterator[methodName];if(undefined===method)return context.delegate=null,"throw"===methodName&&delegate.iterator.return&&(context.method="return",context.arg=undefined,maybeInvokeDelegate(delegate,context),"throw"===context.method)||"return"!==methodName&&(context.method="throw",context.arg=new TypeError("The iterator does not provide a '"+methodName+"' method")),ContinueSentinel;var record=tryCatch(method,delegate.iterator,context.arg);if("throw"===record.type)return context.method="throw",context.arg=record.arg,context.delegate=null,ContinueSentinel;var info=record.arg;return info?info.done?(context[delegate.resultName]=info.value,context.next=delegate.nextLoc,"return"!==context.method&&(context.method="next",context.arg=undefined),context.delegate=null,ContinueSentinel):info:(context.method="throw",context.arg=new TypeError("iterator result is not an object"),context.delegate=null,ContinueSentinel);}function pushTryEntry(locs){var entry={tryLoc:locs[0]};1 in locs&&(entry.catchLoc=locs[1]),2 in locs&&(entry.finallyLoc=locs[2],entry.afterLoc=locs[3]),this.tryEntries.push(entry);}function resetTryEntry(entry){var record=entry.completion||{};record.type="normal",delete record.arg,entry.completion=record;}function Context(tryLocsList){this.tryEntries=[{tryLoc:"root"}],tryLocsList.forEach(pushTryEntry,this),this.reset(!0);}function values(iterable){if(iterable){var iteratorMethod=iterable[iteratorSymbol];if(iteratorMethod)return iteratorMethod.call(iterable);if("function"==typeof iterable.next)return iterable;if(!isNaN(iterable.length)){var i=-1,next=function next(){for(;++i<iterable.length;)if(hasOwn.call(iterable,i))return next.value=iterable[i],next.done=!1,next;return next.value=undefined,next.done=!0,next;};return next.next=next;}}return{next:doneResult};}function doneResult(){return{value:undefined,done:!0};}return GeneratorFunction.prototype=GeneratorFunctionPrototype,defineProperty(Gp,"constructor",{value:GeneratorFunctionPrototype,configurable:!0}),defineProperty(GeneratorFunctionPrototype,"constructor",{value:GeneratorFunction,configurable:!0}),GeneratorFunction.displayName=define(GeneratorFunctionPrototype,toStringTagSymbol,"GeneratorFunction"),exports.isGeneratorFunction=function(genFun){var ctor="function"==typeof genFun&&genFun.constructor;return!!ctor&&(ctor===GeneratorFunction||"GeneratorFunction"===(ctor.displayName||ctor.name));},exports.mark=function(genFun){return Object.setPrototypeOf?Object.setPrototypeOf(genFun,GeneratorFunctionPrototype):(genFun.__proto__=GeneratorFunctionPrototype,define(genFun,toStringTagSymbol,"GeneratorFunction")),genFun.prototype=Object.create(Gp),genFun;},exports.awrap=function(arg){return{__await:arg};},defineIteratorMethods(AsyncIterator.prototype),define(AsyncIterator.prototype,asyncIteratorSymbol,function(){return this;}),exports.AsyncIterator=AsyncIterator,exports.async=function(innerFn,outerFn,self,tryLocsList,PromiseImpl){void 0===PromiseImpl&&(PromiseImpl=Promise);var iter=new AsyncIterator(wrap(innerFn,outerFn,self,tryLocsList),PromiseImpl);return exports.isGeneratorFunction(outerFn)?iter:iter.next().then(function(result){return result.done?result.value:iter.next();});},defineIteratorMethods(Gp),define(Gp,toStringTagSymbol,"Generator"),define(Gp,iteratorSymbol,function(){return this;}),define(Gp,"toString",function(){return"[object Generator]";}),exports.keys=function(val){var object=Object(val),keys=[];for(var key in object)keys.push(key);return keys.reverse(),function next(){for(;keys.length;){var key=keys.pop();if(key in object)return next.value=key,next.done=!1,next;}return next.done=!0,next;};},exports.values=values,Context.prototype={constructor:Context,reset:function reset(skipTempReset){if(this.prev=0,this.next=0,this.sent=this._sent=undefined,this.done=!1,this.delegate=null,this.method="next",this.arg=undefined,this.tryEntries.forEac

101h(resetTryEntry),!skipTempReset)for(var name in this)"t"===name.charAt(0)&&hasOwn.call(this,name)&&!isNaN(+name.slice(1))&&(this[name]=undefined);},stop:function stop(){this.done=!0;var rootRecord=this.tryEntries[0].completion;if("throw"===rootRecord.type)throw rootRecord.arg;return this.rval;},dispatchException:function dispatchException(exception){if(this.done)throw exception;var context=this;function handle(loc,caught){return record.type="throw",record.arg=exception,context.next=loc,caught&&(context.method="next",context.arg=undefined),!!caught;}for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i],record=entry.completion;if("root"===entry.tryLoc)return handle("end");if(entry.tryLoc<=this.prev){var hasCatch=hasOwn.call(entry,"catchLoc"),hasFinally=hasOwn.call(entry,"finallyLoc");if(hasCatch&&hasFinally){if(this.prev<entry.catchLoc)return handle(entry.catchLoc,!0);if(this.prev<entry.finallyLoc)return handle(entry.finallyLoc);}else if(hasCatch){if(this.prev<entry.catchLoc)return handle(entry.catchLoc,!0);}else{if(!hasFinally)throw new Error("try statement without catch or finally");if(this.prev<entry.finallyLoc)return handle(entry.finallyLoc);}}}},abrupt:function abrupt(type,arg){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.tryLoc<=this.prev&&hasOwn.call(entry,"finallyLoc")&&this.prev<entry.finallyLoc){var finallyEntry=entry;break;}}finallyEntry&&("break"===type||"continue"===type)&&finallyEntry.tryLoc<=arg&&arg<=finallyEntry.finallyLoc&&(finallyEntry=null);var record=finallyEntry?finallyEntry.completion:{};return record.type=type,record.arg=arg,finallyEntry?(this.method="next",this.next=finallyEntry.finallyLoc,ContinueSentinel):this.complete(record);},complete:function complete(record,afterLoc){if("throw"===record.type)throw record.arg;return"break"===record.type||"continue"===record.type?this.next=record.arg:"return"===record.type?(this.rval=this.arg=record.arg,this.method="return",this.next="end"):"normal"===record.type&&afterLoc&&(this.next=afterLoc),ContinueSentinel;},finish:function finish(finallyLoc){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.finallyLoc===finallyLoc)return this.complete(entry.completion,entry.afterLoc),resetTryEntry(entry),ContinueSentinel;}},catch:function _catch(tryLoc){for(var i=this.tryEntries.length-1;i>=0;--i){var entry=this.tryEntries[i];if(entry.tryLoc===tryLoc){var record=entry.completion;if("throw"===record.type){var thrown=record.arg;resetTryEntry(entry);}return thrown;}}throw new Error("illegal catch attempt");},delegateYield:function delegateYield(iterable,resultName,nextLoc){return this.delegate={iterator:values(iterable),resultName:resultName,nextLoc:nextLoc},"next"===this.method&&(this.arg=undefined),ContinueSentinel;}},exports;}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function");}}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,_toPropertyKey(descriptor.key),descriptor);}}function _createClass(Constructor,protoProps,staticProps){if(protoProps)_defineProperties(Constructor.prototype,protoProps);if(staticProps)_defineProperties(Constructor,staticProps);Object.defineProperty(Constructor,"prototype",{writable:false});return Constructor;}function _toPropertyKey(arg){var key=_toPrimitive(arg,"string");return _typeof(key)==="symbol"?key:String(key);}function _toPrimitive(input,hint){if(_typeof(input)!=="object"||input===null)return input;var prim=input[Symbol.toPrimitive];if(prim!==undefined){var res=prim.call(input,hint||"default");if(_typeof(res)!=="object")return res;throw new TypeError("@@toPrimitive must return a primitive value.");}return(hint==="string"?String:Number)(input);}function _typeof(obj){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj;}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj;},_typeof(obj);}/**
102 * @license
103 * Copyright 2010-2022 Three.js Authors
104 * SPDX-License-Identifier: MIT
105 */(function(global,factory){(typeof exports==="undefined"?"undefined":_typeof(exports))==='object'&&typeof module!=='undefined'?factory(exports):typeof define==='function'&&define.amd?define(['exports'],factory):(global=typeof globalThis!=='undefined'?globalThis:global||self,factory(global.THREE={}));})(void 0,function(exports){'use strict';var _FN;var REVISION='143';var MOUSE={LEFT:0,MIDDLE:1,RIGHT:2,ROTATE:0,DOLLY:1,PAN:2};var TOUCH={ROTATE:0,PAN:1,DOLLY_PAN:2,DOLLY_ROTATE:3};var CullFaceNone=0;var CullFaceBack=1;var CullFaceFront=2;var CullFaceFrontBack=3;var BasicShadowMap=0;var PCFShadowMap=1;var PCFSoftShadowMap=2;var VSMShadowMap=3;var FrontSide=0;var BackSide=1;var DoubleSide=2;var FlatShading=1;var SmoothShading=2;var NoBlending=0;var NormalBlending=1;var AdditiveBlending=2;var SubtractiveBlending=3;var MultiplyBlending=4;var CustomBlending=5;var AddEquation=100;var SubtractEquation=101;

105var ReverseSubtractEquation=102;var MinEquation=103;var MaxEquation=104;var ZeroFactor=200;var OneFactor=201;var SrcColorFactor=202;var OneMinusSrcColorFactor=203;var SrcAlphaFactor=204;var OneMinusSrcAlphaFactor=205;var DstAlphaFactor=206;var OneMinusDstAlphaFactor=207;var DstColorFactor=208;var OneMinusDstColorFactor=209;var SrcAlphaSaturateFactor=210;var NeverDepth=0;var AlwaysDepth=1;var LessDepth=2;var LessEqualDepth=3;var EqualDepth=4;var GreaterEqualDepth=5;var GreaterDepth=6;var NotEqualDepth=7;var MultiplyOperation=0;var MixOperation=1;var AddOperation=2;var NoToneMapping=0;var LinearToneMapping=1;var ReinhardToneMapping=2;var CineonToneMapping=3;var ACESFilmicToneMapping=4;var CustomToneMapping=5;var UVMapping=300;var CubeReflectionMapping=301;var CubeRefractionMapping=302;var EquirectangularReflectionMapping=303;var EquirectangularRefractionMapping=304;var CubeUVReflectionMapping=306;var RepeatWrapping=1000;var ClampToEdgeWrapping=1001;var MirroredRepeatWrapping=1002;var NearestFilter=1003;var NearestMipmapNearestFilter=1004;var NearestMipMapNearestFilter=1004;var NearestMipmapLinearFilter=1005;var NearestMipMapLinearFilter=1005;var LinearFilter=1006;var LinearMipmapNearestFilter=1007;var LinearMipMapNearestFilter=1007;var LinearMipmapLinearFilter=1008;var LinearMipMapLinearFilter=1008;var UnsignedByteType=1009;var ByteType=1010;var ShortType=1011;var UnsignedShortType=1012;var IntType=1013;var UnsignedIntType=1014;var FloatType=1015;var HalfFloatType=1016;var UnsignedShort4444Type=1017;var UnsignedShort5551Type=1018;var UnsignedInt248Type=1020;var AlphaFormat=1021;var RGBFormat=1022;var RGBAFormat=1023;var LuminanceFormat=1024;var LuminanceAlphaFormat=1025;var DepthFormat=1026;var DepthStencilFormat=1027;var RedFormat=1028;var RedIntegerFormat=1029;var RGFormat=1030;var RGIntegerFormat=1031;var RGBAIntegerFormat=1033;var RGB_S3TC_DXT1_Format=33776;var RGBA_S3TC_DXT1_Format=33777;var RGBA_S3TC_DXT3_Format=33778;var RGBA_S3TC_DXT5_Format=33779;var RGB_PVRTC_4BPPV1_Format=35840;var RGB_PVRTC_2BPPV1_Format=35841;var RGBA_PVRTC_4BPPV1_Format=35842;var RGBA_PVRTC_2BPPV1_Format=35843;var RGB_ETC1_Format=36196;var RGB_ETC2_Format=37492;var RGBA_ETC2_EAC_Format=37496;var RGBA_ASTC_4x4_Format=37808;var RGBA_ASTC_5x4_Format=37809;var RGBA_ASTC_5x5_Format=37810;var RGBA_ASTC_6x5_Format=37811;var RGBA_ASTC_6x6_Format=37812;var RGBA_ASTC_8x5_Format=37813;var RGBA_ASTC_8x6_Format=37814;var RGBA_ASTC_8x8_Format=37815;var RGBA_ASTC_10x5_Format=37816;var RGBA_ASTC_10x6_Format=37817;var RGBA_ASTC_10x8_Format=37818;var RGBA_ASTC_10x10_Format=37819;var RGBA_ASTC_12x10_Format=37820;var RGBA_ASTC_12x12_Format=37821;var RGBA_BPTC_Format=36492;var LoopOnce=2200;var LoopRepeat=2201;var LoopPingPong=2202;var InterpolateDiscrete=2300;var InterpolateLinear=2301;var InterpolateSmooth=2302;var ZeroCurvatureEnding=2400;var ZeroSlopeEnding=2401;var WrapAroundEnding=2402;var NormalAnimationBlendMode=2500;var AdditiveAnimationBlendMode=2501;var TrianglesDrawMode=0;var TriangleStripDrawMode=1;var TriangleFanDrawMode=2;var LinearEncoding=3000;var sRGBEncoding=3001;var BasicDepthPacking=3200;var RGBADepthPacking=3201;var TangentSpaceNormalMap=0;var ObjectSpaceNormalMap=1;// Color space string identifiers, matching CSS Color Module Level 4 and WebGPU names where available.
106var NoColorSpace='';var SRGBColorSpace='srgb';var LinearSRGBColorSpace='srgb-linear';var ZeroStencilOp=0;var KeepStencilOp=7680;var ReplaceStencilOp=7681;var IncrementStencilOp=7682;var DecrementStencilOp=7683;var IncrementWrapStencilOp=34055;var DecrementWrapStencilOp=34056;var InvertStencilOp=5386;var NeverStencilFunc=512;var LessStencilFunc=513;var EqualStencilFunc=514;var LessEqualStencilFunc=515;var GreaterStencilFunc=516;var NotEqualStencilFunc=517;var GreaterEqualStencilFunc=518;var AlwaysStencilFunc=519;var StaticDrawUsage=35044;var DynamicDrawUsage=35048;var StreamDrawUsage=35040;var StaticReadUsage=35045;var DynamicReadUsage=35049;var StreamReadUsage=35041;var StaticCopyUsage=35046;var DynamicCopyUsage=35050;var StreamCopyUsage=35042;var GLSL1='100';var GLSL3='300 es';var _SRGBAFormat=1035;// fallback for WebGL 1
107/**
108	 * https://github.com/mrdoob/eventdispatcher.js/
109	 */var EventDispatcher=/*#__PURE__*/function(){function EventDispatcher(){_classCallCheck(this,EventDispatcher);}_createClass(EventDispatcher,[{key:"addEventListener",value:function addEventListener(type,listener){if(this._listeners===undefined)this._listeners={};var listeners=this._listeners;if(listeners[type]===undefined){listeners[type]=[];}if(listeners[type].indexOf(listener)===-1){listeners[type].push(listener);}}},{key:"hasEventListener",value:function hasEventListener(type,listener){if(this._listeners===undefined)return false;var listeners=this._listeners;return listeners[type]!==undefined&&listeners[type].indexOf(listener)!==-1;}},{key:"removeEventListener",value:function removeEventListener(type,listener){if(this._listeners===undefined)return;var listeners=this._listeners;var listenerArray=listeners[type];if(listenerArray!==undefined){var index=listenerArray.indexOf(listener);if(index!==-1){listenerArray.splice(index,1);}}}},{key:"dispatchEvent",value:function dispatchEvent(event){if(this._listeners===undefined)return;var listeners=this._listeners;var listenerArray=listeners[event.type];if(listenerArray!==undefined){event.target=this;// Make a copy, in case listeners are removed while iterating.
110var array=listenerArray.slice(0);for(var i=0,l=array.length;i<l;i++){array[i].call(this,event);}event.target=null;}}}]);return EventDispatcher;}();var _lut=['00','01','02','03','04','05','06','07','08','09','0a','0b','0c','0d','0e','0f','10','11','12','13','14','15','16','17','18','19','1a','1b','1c','1d','1e','1f','20','21','22','23','24','25','26','27','28','29','2a','2b','2c','2d','2e','2f','30','31','32','33','34','35','36','37','38','39','3a','3b','3c','3d','3e','3f','40','41','42','43','44','45','46','47','48','49','4a','4b','4c','4d','4e','4f','50','51','52','53','54','55','56','57','58','59','5a','5b','5c','5d','5e','5f','60','61','62','63','64','65','66','67','68','69','6a','6b','6c','6d','6e','6f','70','71','72','73','74','75','76','77','78','79','7a','7b','7c','7d','7e','7f','80','81','82','83','84','85','86','87','88','89','8a','8b','8c','8d','8e','8f','90','91','92','93','94','95','96','97','98','99','9a','9b','9c','9d','9e','9f','a0','a1','a2','a3','a4','a5','a6','a7','a8','a9','aa','ab','ac','ad','ae','af','b0','b1','b2','b3','b4','b5','b6','b7','b8','b9','ba','bb','bc','bd','be','bf','c0','c1','c2','c3','c4','c5','c6','c7','c8','c9','ca','cb','cc','cd','ce','cf','d0','d1','d2','d3','d4','d5','d6','d7','d8','d9','da','db','dc','dd','de','df','e0','e1','e2','e3','e4','e5','e6','e7','e8','e9','ea','eb','ec','ed','ee','ef','f0','f1','f2','f3','f4','f5','f6','f7','f8','f9','fa','fb','fc','fd','fe','ff'];var _seed=1234567;var DEG2RAD=Math.PI/180;var RAD2DEG=180/Math.PI;// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/21963136#21963136
111function generateUUID(){var d0=Math.random()*0xffffffff|0;var d1=Math.random()*0xffffffff|0;var d2=Math.random()*0xffffffff|0;var d3=Math.random()*0xffffffff|0;var uuid=_lut[d0&0xff]+_lut[d0>>8&0xff]+_lut[d0>>16&0xff]+_lut[d0>>24&0xff]+'-'+_lut[d1&0xff]+_lut[d1>>8&0xff]+'-'+_lut[d1>>16&0x0f|0x40]+_lut[d1>>24&0xff]+'-'+_lut[d2&0x3f|0x80]+_lut[d2>>8&0xff]+'-'+_lut[d2>>16&0xff]+_lut[d2>>24&0xff]+_lut[d3&0xff]+_lut[d3>>8&0xff]+_lut[d3>>16&0xff]+_lut[d3>>24&0xff];// .toLowerCase() here flattens concatenated strings to save heap memory space.
112return uuid.toLowerCase();}function clamp(value,min,max){return Math.max(min,Math.min(max,value));}// compute euclidean modulo of m % n
113// https://en.wikipedia.org/wiki/Modulo_operation
114function euclideanModulo(n,m){return(n%m+m)%m;}// Linear mapping from range <a1, a2> to range <b1, b2>
115function mapLinear(x,a1,a2,b1,b2){return b1+(x-a1)*(b2-b1)/(a2-a1);}// https://www.gamedev.net/tutorials/programming/general-and-gameplay-programming/inverse-lerp-a-super-useful-yet-often-overlooked-function-r5230/
116function inverseLerp(x,y,value){if(x!==y){return(value-x)/(y-x);}else{return 0;}}// https://en.wikipedia.org/wiki/Linear_interpolation
117function lerp(x,y,t){return(1-t)*x+t*y;}// http://www.rorydriscoll.com/2016/03/07/frame-rate-independent-damping-using-lerp/
118function damp(x,y,lambda,dt){return lerp(x,y,1-Math.exp(-lambda*dt));}// https://www.desmos.com/calculator/vcsjnyz7x4
119function pingpong(x){var length=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;return length-Math.abs(euclideanModulo(x,length*2)-length);}// http://en.wikipedia.org/wiki/Smoothstep
120function smoothstep(x,min,max){if(x<=min)return 0;if(x>=max)return 1;x=(x-min)/(max-min);return x*x*(3-2*x);}function smootherstep(x,min,max){if(x<=min)return 0;if(x>=max)return 1;x=(x-min)/(max-min);return x*x*x*(x*(x*6-15)+10);}// Random integer from <low, high> interval
121function randInt(low,high){return low+Math.floor(Math.random()*(high-low+1));}// Random float from <low, high> interval
122function randFloat(low,high){return low+Math.random()*(high-low);}// Random float from <-range/2, range/2> interval
123function randFloatSpread(range){return range*(0.5-Math.random());}

123// Deterministic pseudo-random float in the interval [ 0, 1 ]
124function seededRandom(s){if(s!==undefined)_seed=s;// Mulberry32 generator
125var t=_seed+=0x6D2B79F5;t=Math.imul(t^t>>>15,t|1);t^=t+Math.imul(t^t>>>7,t|61);return((t^t>>>14)>>>0)/4294967296;}function degToRad(degrees){return degrees*DEG2RAD;}function radToDeg(radians){return radians*RAD2DEG;}function isPowerOfTwo(value){return(value&value-1)===0&&value!==0;}function ceilPowerOfTwo(value){return Math.pow(2,Math.ceil(Math.log(value)/Math.LN2));}function floorPowerOfTwo(value){return Math.pow(2,Math.floor(Math.log(value)/Math.LN2));}function setQuaternionFromProperEuler(q,a,b,c,order){// Intrinsic Proper Euler Angles - see https://en.wikipedia.org/wiki/Euler_angles
126// rotations are applied to the axes in the order specified by 'order'
127// rotation by angle 'a' is applied first, then by angle 'b', then by angle 'c'
128// angles are in radians
129var cos=Math.cos;var sin=Math.sin;var c2=cos(b/2);var s2=sin(b/2);var c13=cos((a+c)/2);var s13=sin((a+c)/2);var c1_3=cos((a-c)/2);var s1_3=sin((a-c)/2);var c3_1=cos((c-a)/2);var s3_1=sin((c-a)/2);switch(order){case'XYX':q.set(c2*s13,s2*c1_3,s2*s1_3,c2*c13);break;case'YZY':q.set(s2*s1_3,c2*s13,s2*c1_3,c2*c13);break;case'ZXZ':q.set(s2*c1_3,s2*s1_3,c2*s13,c2*c13);break;case'XZX':q.set(c2*s13,s2*s3_1,s2*c3_1,c2*c13);break;case'YXY':q.set(s2*c3_1,c2*s13,s2*s3_1,c2*c13);break;case'ZYZ':q.set(s2*s3_1,s2*c3_1,c2*s13,c2*c13);break;default:console.warn('THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: '+order);}}function denormalize$1(value,array){switch(array.constructor){case Float32Array:return value;case Uint16Array:return value/65535.0;case Uint8Array:return value/255.0;case Int16Array:return Math.max(value/32767.0,-1.0);case Int8Array:return Math.max(value/127.0,-1.0);default:throw new Error('Invalid component type.');}}function normalize(value,array){switch(array.constructor){case Float32Array:return value;case Uint16Array:return Math.round(value*65535.0);case Uint8Array:return Math.round(value*255.0);case Int16Array:return Math.round(value*32767.0);case Int8Array:return Math.round(value*127.0);default:throw new Error('Invalid component type.');}}var MathUtils=/*#__PURE__*/Object.freeze({__proto__:null,DEG2RAD:DEG2RAD,RAD2DEG:RAD2DEG,generateUUID:generateUUID,clamp:clamp,euclideanModulo:euclideanModulo,mapLinear:mapLinear,inverseLerp:inverseLerp,lerp:lerp,damp:damp,pingpong:pingpong,smoothstep:smoothstep,smootherstep:smootherstep,randInt:randInt,randFloat:randFloat,randFloatSpread:randFloatSpread,seededRandom:seededRandom,degToRad:degToRad,radToDeg:radToDeg,isPowerOfTwo:isPowerOfTwo,ceilPowerOfTwo:ceilPowerOfTwo,floorPowerOfTwo:floorPowerOfTwo,setQuaternionFromProperEuler:setQuaternionFromProperEuler,normalize:normalize,denormalize:denormalize$1});var Vector2=/*#__PURE__*/function(_Symbol$iterator){function Vector2(){var x=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0;var y=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;_classCallCheck(this,Vector2);Vector2.prototype.isVector2=true;this.x=x;this.y=y;}_createClass(Vector2,[{key:"width",get:function get(){return this.x;},set:function set(value){this.x=value;}},{key:"height",get:function get(){return this.y;},set:function set(value){this.y=value;}},{key:"set",value:function set(x,y){this.x=x;this.y=y;return this;}},{key:"setScalar",value:function setScalar(scalar){this.x=scalar;this.y=scalar;return this;}},{key:"setX",value:function setX(x){this.x=x;return this;}},{key:"setY",value:function setY(y){this.y=y;return this;}},{key:"setComponent",value:function setComponent(index,value){switch(index){case 0:this.x=value;break;case 1:this.y=value;break;default:throw new Error('index is out of range: '+index);}return this;}},{key:"getComponent",value:function getComponent(index){switch(index){case 0:return this.x;case 1:return this.y;default:throw new Error('index is out of range: '+index);}}},{key:"clone",value:function clone(){return new this.constructor(this.x,this.y);}},{key:"copy",value:function copy(v){this.x=v.x;this.y=v.y;return this;}},{key:"add",value:function add(v){this.x+=v.x;this.y+=v.y;return this;}},{key:"addScalar",value:function addScalar(s){this.x+=s;this.y+=s;return this;}},{key:"addVectors",value:function addVectors(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this;}},{key:"addScaledVector",value:function addScaledVector(v,s){this.x+=v.x*s;this.y+=v.y*s;return this;}},{key:"sub",value:function sub(v){this.x-=v.x;this.y-=v.y;return this;}},{key:"subScalar",value:function subScalar(s){this.x-=s;this.y-=s;return this;}},{key:"subVectors",value:function subVectors(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this;}},{key:"multiply",value:function multiply(v){this.x*=v.x;this.y*=v.y;return this;}},{key:"multiplyScalar",value:function multiplyScalar(scalar){this.x*=scalar;this.y*=scalar;return this;}},{key:"divide",value:function divide(v){this.x/=v.x;this.y/=v.y;return this;}},{key:"divideScalar",value:function divideScalar(scalar){return this.multiplyScalar(1/scalar);}},{key:"applyMatrix3",value:function applyMatrix3(m){var x=this.x,y=this.y;var e=m.elements;this.x=e[0]*x+e[3]*y+e[6];this.y=e[1]*x+e[4]*y+e[7];return this;}},{key:"min",value:function min(v){this.x=Math.min(this.x,v.x);this.y=Math.min(this.y,v.y);return this;}},{key:"max",value:function max(v){this.x=Math.max(this.x,v.x);this.y=Math.max(this.y,v.y);return this;}},{key:"clamp",value:function clamp(min,max){// assumes min < max, componentwise
130this.x=Math.max(min.x,Math.min(max.x,this.x));this.y=Math.max(min.y,Math.min(max.y,this.y));return this;}},{key:"clampScalar",value:function clampScalar(minVal,maxVal){this.x=Math.max(minVal,Math.min(maxVal,this.x));this.y=Math.max(minVal,Math.min(maxVal,this.y));return this;}},{key:"clampLength",value:function clampLength(min,max){var length=this.length();return this.divideScalar(length||1).multiplyScalar(Math.max(min,Math.min(max,length)));}},{key:"floor",value:function floor(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);return this;}},{key:"ceil",value:function ceil(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);return this;}}

130,{key:"round",value:function round(){this.x=Math.round(this.x);this.y=Math.round(this.y);return this;}},{key:"roundToZero",value:function roundToZero(){this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x);this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y);return this;}},{key:"negate",value:function negate(){this.x=-this.x;this.y=-this.y;return this;}},{key:"dot",value:function dot(v){return this.x*v.x+this.y*v.y;}},{key:"cross",value:function cross(v){return this.x*v.y-this.y*v.x;}},{key:"lengthSq",value:function lengthSq(){return this.x*this.x+this.y*this.y;}},{key:"length",value:function length(){return Math.sqrt(this.x*this.x+this.y*this.y);}},{key:"manhattanLength",value:function manhattanLength(){return Math.abs(this.x)+Math.abs(this.y);}},{key:"normalize",value:function normalize(){return this.divideScalar(this.length()||1);}},{key:"angle",value:function angle(){// computes the angle in radians with respect to the positive x-axis
131var angle=Math.atan2(-this.y,-this.x)+Math.PI;return angle;}},{key:"distanceTo",value:function distanceTo(v){return Math.sqrt(this.distanceToSquared(v));}},{key:"distanceToSquared",value:function distanceToSquared(v){var dx=this.x-v.x,dy=this.y-v.y;return dx*dx+dy*dy;}},{key:"manhattanDistanceTo",value:function manhattanDistanceTo(v){return Math.abs(this.x-v.x)+Math.abs(this.y-v.y);}},{key:"setLength",value:function setLength(length){return this.normalize().multiplyScalar(length);}},{key:"lerp",value:function lerp(v,alpha){this.x+=(v.x-this.x)*alpha;this.y+=(v.y-this.y)*alpha;return this;}},{key:"lerpVectors",value:function lerpVectors(v1,v2,alpha){this.x=v1.x+(v2.x-v1.x)*alpha;this.y=v1.y+(v2.y-v1.y)*alpha;return this;}},{key:"equals",value:function equals(v){return v.x===this.x&&v.y===this.y;}},{key:"fromArray",value:function fromArray(array){var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;this.x=array[offset];this.y=array[offset+1];return this;}},{key:"toArray",value:function toArray(){var array=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;array[offset]=this.x;array[offset+1]=this.y;return array;}},{key:"fromBufferAttribute",value:function fromBufferAttribute(attribute,index){this.x=attribute.getX(index);this.y=attribute.getY(index);return this;}},{key:"rotateAround",value:function rotateAround(center,angle){var c=Math.cos(angle),s=Math.sin(angle);var x=this.x-center.x;var y=this.y-center.y;this.x=x*c-y*s+center.x;this.y=x*s+y*c+center.y;return this;}},{key:"random",value:function random(){this.x=Math.random();this.y=Math.random();return this;}},{key:_Symbol$iterator,value:/*#__PURE__*/_regeneratorRuntime().mark(function value(){return _regeneratorRuntime().wrap(function value$(_context2){while(1)switch(_context2.prev=_context2.next){case 0:_context2.next=2;return this.x;case 2:_context2.next=4;return this.y;case 4:case"end":return _context2.stop();}},value,this);})}]);return Vector2;}(Symbol.iterator);var Matrix3=/*#__PURE__*/function(){function Matrix3(){_classCallCheck(this,Matrix3);Matrix3.prototype.isMatrix3=true;this.elements=[1,0,0,0,1,0,0,0,1];}_createClass(Matrix3,[{key:"set",value:function set(n11,n12,n13,n21,n22,n23,n31,n32,n33){var te=this.elements;te[0]=n11;te[1]=n21;te[2]=n31;te[3]=n12;te[4]=n22;te[5]=n32;te[6]=n13;te[7]=n23;te[8]=n33;return this;}},{key:"identity",value:function identity(){this.set(1,0,0,0,1,0,0,0,1);return this;}},{key:"copy",value:function copy(m){var te=this.elements;var me=m.elements;te[0]=me[0];te[1]=me[1];te[2]=me[2];te[3]=me[3];te[4]=me[4];te[5]=me[5];te[6]=me[6];te[7]=me[7];te[8]=me[8];return this;}},{key:"extractBasis",value:function extractBasis(xAxis,yAxis,zAxis){xAxis.setFromMatrix3Column(this,0);yAxis.setFromMatrix3Column(this,1);zAxis.setFromMatrix3Column(this,2);return this;}},{key:"setFromMatrix4",value:function setFromMatrix4(m){var me=m.elements;this.set(me[0],me[4],me[8],me[1],me[5],me[9],me[2],me[6],me[10]);return this;}},{key:"multiply",value:function multiply(m){return this.multiplyMatrices(this,m);}},{key:"premultiply",value:function premultiply(m){return this.multiplyMatrices(m,this);}},{key:"multiplyMatrices",value:function multiplyMatrices(a,b){var ae=a.elements;var be=b.elements;var te=this.elements;var a11=ae[0],a12=ae[3],a13=ae[6];var a21=ae[1],a22=ae[4],a23=ae[7];var a31=ae[2],a32=ae[5],a33=ae[8];var b11=be[0],b12=be[3],b13=be[6];var b21=be[1],b22=be[4],b23=be[7];var b31=be[2],b32=be[5],b33=be[8];te[0]=a11*b11+a12*b21+a13*b31;te[3]=a11*b12+a12*b22+a13*b32;te[6]=a11*b13+a12*b23+a13*b33;te[1]=a21*b11+a22*b21+a23*b31;te[4]=a21*b12+a22*b22+a23*b32;te[7]=a21*b13+a22*b23+a23*b33;te[2]=a31*b11+a32*b21+a33*b31;te[5]=a31*b12+a32*b22+a33*b32;te[8]=a31*b13+a32*b23+a33*b33;return this;}},{key:"multiplyScalar",value:function multiplyScalar(s){var te=this.elements;te[0]*=s;te[3]*=s;te[6]*=s;te[1]*=s;te[4]*=s;te[7]*=s;te[2]*=s;te[5]*=s;te[8]*=s;return this;}},{key:"determinant",value:function determinant(){var te=this.elements;var a=te[0],b=te[1],c=te[2],d=te[3],e=te[4],f=te[5],g=te[6],h=te[7],i=te[8];return a*e*i-a*f*h-b*d*i+b*f*g+c*d*h-c*e*g;}},{key:"invert",value:function invert(){var te=this.elements,n11=te[0],n21=te[1],n31=te[2],n12=te[3],n22=te[4],n32=te[5],n13=te[6],n23=te[7],n33=te[8],t11=n33*n22-n32*n23,t12=n32*n13-n33*n12,t13=n23*n12-n22*n13,det=n11*t11+n21*t12+n31*t13;

131if(det===0)return this.set(0,0,0,0,0,0,0,0,0);var detInv=1/det;te[0]=t11*detInv;te[1]=(n31*n23-n33*n21)*detInv;te[2]=(n32*n21-n31*n22)*detInv;te[3]=t12*detInv;te[4]=(n33*n11-n31*n13)*detInv;te[5]=(n31*n12-n32*n11)*detInv;te[6]=t13*detInv;te[7]=(n21*n13-n23*n11)*detInv;te[8]=(n22*n11-n21*n12)*detInv;return this;}},{key:"transpose",value:function transpose(){var tmp;var m=this.elements;tmp=m[1];m[1]=m[3];m[3]=tmp;tmp=m[2];m[2]=m[6];m[6]=tmp;tmp=m[5];m[5]=m[7];m[7]=tmp;return this;}},{key:"getNormalMatrix",value:function getNormalMatrix(matrix4){return this.setFromMatrix4(matrix4).invert().transpose();}},{key:"transposeIntoArray",value:function transposeIntoArray(r){var m=this.elements;r[0]=m[0];r[1]=m[3];r[2]=m[6];r[3]=m[1];r[4]=m[4];r[5]=m[7];r[6]=m[2];r[7]=m[5];r[8]=m[8];return this;}},{key:"setUvTransform",value:function setUvTransform(tx,ty,sx,sy,rotation,cx,cy){var c=Math.cos(rotation);var s=Math.sin(rotation);this.set(sx*c,sx*s,-sx*(c*cx+s*cy)+cx+tx,-sy*s,sy*c,-sy*(-s*cx+c*cy)+cy+ty,0,0,1);return this;}},{key:"scale",value:function scale(sx,sy){var te=this.elements;te[0]*=sx;te[3]*=sx;te[6]*=sx;te[1]*=sy;te[4]*=sy;te[7]*=sy;return this;}},{key:"rotate",value:function rotate(theta){var c=Math.cos(theta);var s=Math.sin(theta);var te=this.elements;var a11=te[0],a12=te[3],a13=te[6];var a21=te[1],a22=te[4],a23=te[7];te[0]=c*a11+s*a21;te[3]=c*a12+s*a22;te[6]=c*a13+s*a23;te[1]=-s*a11+c*a21;te[4]=-s*a12+c*a22;te[7]=-s*a13+c*a23;return this;}},{key:"translate",value:function translate(tx,ty){var te=this.elements;te[0]+=tx*te[2];te[3]+=tx*te[5];te[6]+=tx*te[8];te[1]+=ty*te[2];te[4]+=ty*te[5];te[7]+=ty*te[8];return this;}},{key:"equals",value:function equals(matrix){var te=this.elements;var me=matrix.elements;for(var i=0;i<9;i++){if(te[i]!==me[i])return false;}return true;}},{key:"fromArray",value:function fromArray(array){var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;for(var i=0;i<9;i++){this.elements[i]=array[i+offset];}return this;}},{key:"toArray",value:function toArray(){var array=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var te=this.elements;array[offset]=te[0];array[offset+1]=te[1];array[offset+2]=te[2];array[offset+3]=te[3];array[offset+4]=te[4];array[offset+5]=te[5];array[offset+6]=te[6];array[offset+7]=te[7];array[offset+8]=te[8];return array;}},{key:"clone",value:function clone(){return new this.constructor().fromArray(this.elements);}}]);return Matrix3;}();function arrayNeedsUint32(array){// assumes larger values usually on last
132for(var i=array.length-1;i>=0;--i){if(array[i]>65535)return true;}return false;}var TYPED_ARRAYS={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function getTypedArray(type,buffer){return new TYPED_ARRAYS[type](buffer);}function createElementNS(name){return document.createElementNS('http://www.w3.org/1999/xhtml',name);}function SRGBToLinear(c){return c<0.04045?c*0.0773993808:Math.pow(c*0.9478672986+0.0521327014,2.4);}function LinearToSRGB(c){return c<0.0031308?c*12.92:1.055*Math.pow(c,0.41666)-0.055;}// JavaScript RGB-to-RGB transforms, defined as
133// FN[InputColorSpace][OutputColorSpace] callback functions.
134var FN=(_FN={},_defineProperty(_FN,SRGBColorSpace,_defineProperty({},LinearSRGBColorSpace,SRGBToLinear)),_defineProperty(_FN,LinearSRGBColorSpace,_defineProperty({},SRGBColorSpace,LinearToSRGB)),_FN);var ColorManagement={legacyMode:true,get workingColorSpace(){return LinearSRGBColorSpace;},set workingColorSpace(colorSpace){console.warn('THREE.ColorManagement: .workingColorSpace is readonly.');},convert:function convert(color,sourceColorSpace,targetColorSpace){if(this.legacyMode||sourceColorSpace===targetColorSpace||!sourceColorSpace||!targetColorSpace){return color;}if(FN[sourceColorSpace]&&FN[sourceColorSpace][targetColorSpace]!==undefined){var fn=FN[sourceColorSpace][targetColorSpace];color.r=fn(color.r);color.g=fn(color.g);color.b=fn(color.b);return color;}throw new Error('Unsupported color space conversion.');},fromWorkingColorSpace:function fromWorkingColorSpace(color,targetColorSpace){return this.convert(color,this.workingColorSpace,targetColorSpace);},toWorkingColorSpace:function toWorkingColorSpace(color,sourceColorSpace){return this.convert(color,sourceColorSpace,this.workingColorSpace);}};var _colorKeywords={'aliceblue':0xF0F8FF,'antiquewhite':0xFAEBD7,'aqua':0x00FFFF,'aquamarine':0x7FFFD4,'azure':0xF0FFFF,'beige':0xF5F5

134DC,'bisque':0xFFE4C4,'black':0x000000,'blanchedalmond':0xFFEBCD,'blue':0x0000FF,'blueviolet':0x8A2BE2,'brown':0xA52A2A,'burlywood':0xDEB887,'cadetblue':0x5F9EA0,'chartreuse':0x7FFF00,'chocolate':0xD2691E,'coral':0xFF7F50,'cornflowerblue':0x6495ED,'cornsilk':0xFFF8DC,'crimson':0xDC143C,'cyan':0x00FFFF,'darkblue':0x00008B,'darkcyan':0x008B8B,'darkgoldenrod':0xB8860B,'darkgray':0xA9A9A9,'darkgreen':0x006400,'darkgrey':0xA9A9A9,'darkkhaki':0xBDB76B,'darkmagenta':0x8B008B,'darkolivegreen':0x556B2F,'darkorange':0xFF8C00,'darkorchid':0x9932CC,'darkred':0x8B0000,'darksalmon':0xE9967A,'darkseagreen':0x8FBC8F,'darkslateblue':0x483D8B,'darkslategray':0x2F4F4F,'darkslategrey':0x2F4F4F,'darkturquoise':0x00CED1,'darkviolet':0x9400D3,'deeppink':0xFF1493,'deepskyblue':0x00BFFF,'dimgray':0x696969,'dimgrey':0x696969,'dodgerblue':0x1E90FF,'firebrick':0xB22222,'floralwhite':0xFFFAF0,'forestgreen':0x228B22,'fuchsia':0xFF00FF,'gainsboro':0xDCDCDC,'ghostwhite':0xF8F8FF,'gold':0xFFD700,'goldenrod':0xDAA520,'gray':0x808080,'green':0x008000,'greenyellow':0xADFF2F,'grey':0x808080,'honeydew':0xF0FFF0,'hotpink':0xFF69B4,'indianred':0xCD5C5C,'indigo':0x4B0082,'ivory':0xFFFFF0,'khaki':0xF0E68C,'lavender':0xE6E6FA,'lavenderblush':0xFFF0F5,'lawngreen':0x7CFC00,'lemonchiffon':0xFFFACD,'lightblue':0xADD8E6,'lightcoral':0xF08080,'lightcyan':0xE0FFFF,'lightgoldenrodyellow':0xFAFAD2,'lightgray':0xD3D3D3,'lightgreen':0x90EE90,'lightgrey':0xD3D3D3,'lightpink':0xFFB6C1,'lightsalmon':0xFFA07A,'lightseagreen':0x20B2AA,'lightskyblue':0x87CEFA,'lightslategray':0x778899,'lightslategrey':0x778899,'lightsteelblue':0xB0C4DE,'lightyellow':0xFFFFE0,'lime':0x00FF00,'limegreen':0x32CD32,'linen':0xFAF0E6,'magenta':0xFF00FF,'maroon':0x800000,'mediumaquamarine':0x66CDAA,'mediumblue':0x0000CD,'mediumorchid':0xBA55D3,'mediumpurple':0x9370DB,'mediumseagreen':0x3CB371,'mediumslateblue':0x7B68EE,'mediumspringgreen':0x00FA9A,'mediumturquoise':0x48D1CC,'mediumvioletred':0xC71585,'midnightblue':0x191970,'mintcream':0xF5FFFA,'mistyrose':0xFFE4E1,'moccasin':0xFFE4B5,'navajowhite':0xFFDEAD,'navy':0x000080,'oldlace':0xFDF5E6,'olive':0x808000,'olivedrab':0x6B8E23,'orange':0xFFA500,'orangered':0xFF4500,'orchid':0xDA70D6,'palegoldenrod':0xEEE8AA,'palegreen':0x98FB98,'paleturquoise':0xAFEEEE,'palevioletred':0xDB7093,'papayawhip':0xFFEFD5,'peachpuff':0xFFDAB9,'peru':0xCD853F,'pink':0xFFC0CB,'plum':0xDDA0DD,'powderblue':0xB0E0E6,'purple':0x800080,'rebeccapurple':0x663399,'red':0xFF0000,'rosybrown':0xBC8F8F,'royalblue':0x4169E1,'saddlebrown':0x8B4513,'salmon':0xFA8072,'sandybrown':0xF4A460,'seagreen':0x2E8B57,'seashell':0xFFF5EE,'sienna':0xA0522D,'silver':0xC0C0C0,'skyblue':0x87CEEB,'slateblue':0x6A5ACD,'slategray':0x708090,'slategrey':0x708090,'snow':0xFFFAFA,'

134springgreen':0x00FF7F,'steelblue':0x4682B4,'tan':0xD2B48C,'teal':0x008080,'thistle':0xD8BFD8,'tomato':0xFF6347,'turquoise':0x40E0D0,'violet':0xEE82EE,'wheat':0xF5DEB3,'white':0xFFFFFF,'whitesmoke':0xF5F5F5,'yellow':0xFFFF00,'yellowgreen':0x9ACD32};var _rgb={r:0,g:0,b:0};var _hslA={h:0,s:0,l:0};var _hslB={h:0,s:0,l:0};function hue2rgb(p,q,t){if(t<0)t+=1;if(t>1)t-=1;if(t<1/6)return p+(q-p)*6*t;if(t<1/2)return q;if(t<2/3)return p+(q-p)*6*(2/3-t);return p;}function toComponents(source,target){target.r=source.r;target.g=source.g;target.b=source.b;return target;}var Color=/*#__PURE__*/function(_Symbol$iterator2){function Color(r,g,b){_classCallCheck(this,Color);this.isColor=true;this.r=1;this.g=1;this.b=1;if(g===undefined&&b===undefined){// r is THREE.Color, hex or string
135return this.set(r);}return this.setRGB(r,g,b);}_createClass(Color,[{key:"set",value:function set(value){if(value&&value.isColor){this.copy(value);}else if(typeof value==='number'){this.setHex(value);}else if(typeof value==='string'){this.setStyle(value);}return this;}},{key:"setScalar",value:function setScalar(scalar){this.r=scalar;this.g=scalar;this.b=scalar;return this;}}

135,{key:"setHex",value:function setHex(hex){var colorSpace=arguments.length>1&&arguments[1]!==undefined?arguments[1]:SRGBColorSpace;hex=Math.floor(hex);this.r=(hex>>16&255)/255;this.g=(hex>>8&255)/255;this.b=(hex&255)/255;ColorManagement.toWorkingColorSpace(this,colorSpace);return this;}},{key:"setRGB",value:function setRGB(r,g,b){var colorSpace=arguments.length>3&&arguments[3]!==undefined?arguments[3]:LinearSRGBColorSpace;this.r=r;this.g=g;this.b=b;ColorManagement.toWorkingColorSpace(this,colorSpace);return this;}},{key:"setHSL",value:function setHSL(h,s,l){var colorSpace=arguments.length>3&&arguments[3]!==undefined?arguments[3]:LinearSRGBColorSpace;// h,s,l ranges are in 0.0 - 1.0
136h=euclideanModulo(h,1);s=clamp(s,0,1);l=clamp(l,0,1);if(s===0){this.r=this.g=this.b=l;}else{var p=l<=0.5?l*(1+s):l+s-l*s;var q=2*l-p;this.r=hue2rgb(q,p,h+1/3);this.g=hue2rgb(q,p,h);this.b=hue2rgb(q,p,h-1/3);}ColorManagement.toWorkingColorSpace(this,colorSpace);return this;}},{key:"setStyle",value:function setStyle(style){var colorSpace=arguments.length>1&&arguments[1]!==undefined?arguments[1]:SRGBColorSpace;function handleAlpha(string){if(string===undefined)return;if(parseFloat(string)<1){console.warn('THREE.Color: Alpha component of '+style+' will be ignored.');}}var m;if(m=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(style)){// rgb / hsl
137var color;var name=m[1];var components=m[2];switch(name){case'rgb':case'rgba':if(color=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)){// rgb(255,0,0) rgba(255,0,0,0.5)
138this.r=Math.min(255,parseInt(color[1],10))/255;this.g=Math.min(255,parseInt(color[2],10))/255;this.b=Math.min(255,parseInt(color[3],10))/255;ColorManagement.toWorkingColorSpace(this,colorSpace);handleAlpha(color[4]);return this;}if(color=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)){// rgb(100%,0%,0%) rgba(100%,0%,0%,0.5)
139this.r=Math.min(100,parseInt(color[1],10))/100;this.g=Math.min(100,parseInt(color[2],10))/100;this.b=Math.min(100,parseInt(color[3],10))/100;ColorManagement.toWorkingColorSpace(this,colorSpace);handleAlpha(color[4]);return this;}break;case'hsl':case'hsla':if(color=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(components)){// hsl(120,50%,50%) hsla(120,50%,50%,0.5)
140var h=parseFloat(color[1])/360;var s=parseInt(color[2],10)/100;var l=parseInt(color[3],10)/100;handleAlpha(color[4]);return this.setHSL(h,s,l,colorSpace);}break;}}else if(m=/^\#([A-Fa-f\d]+)$/.exec(style)){// hex color
141var hex=m[1];var size=hex.length;if(size===3){// #ff0
142this.r=parseInt(hex.charAt(0)+hex.charAt(0),16)/255;this.g=parseInt(hex.charAt(1)+hex.charAt(1),16)/255;this.b=parseInt(hex.charAt(2)+hex.charAt(2),16)/255;ColorManagement.toWorkingColorSpace(this,colorSpace);return this;}else if(size===6){// #ff0000
143this.r=parseInt(hex.charAt(0)+hex.charAt(1),16)/255;this.g=parseInt(hex.charAt(2)+hex.charAt(3),16)/255;this.b=parseInt(hex.charAt(4)+hex.charAt(5),16)/255;ColorManagement.toWorkingColorSpace(this,colorSpace);return this;}}if(style&&style.length>0){return this.setColorName(style,colorSpace);}return this;}},{key:"setColorName",value:function setColorName(style){var colorSpace

143=arguments.length>1&&arguments[1]!==undefined?arguments[1]:SRGBColorSpace;// color keywords
144var hex=_colorKeywords[style.toLowerCase()];if(hex!==undefined){// red
145this.setHex(hex,colorSpace);}else{// unknown color
146console.warn('THREE.Color: Unknown color '+style);}return this;}},{key:"clone",value:function clone(){return new this.constructor(this.r,this.g,this.b);}},{key:"copy",value:function copy(color){this.r=color.r;this.g=color.g;this.b=color.b;return this;}},{key:"copySRGBToLinear",value:function copySRGBToLinear(color){this.r=SRGBToLinear(color.r);this.g=SRGBToLinear(color.g);this.b=SRGBToLinear(color.b);return this;}},{key:"copyLinearToSRGB",value:function copyLinearToSRGB(color){this.r=LinearToSRGB(color.r);this.g=LinearToSRGB(color.g);this.b=LinearToSRGB(color.b);return this;}},{key:"convertSRGBToLinear",value:function convertSRGBToLinear(){this.copySRGBToLinear(this);return this;}},{key:"convertLinearToSRGB",value:function convertLinearToSRGB(){this.copyLinearToSRGB(this);return this;}},{key:"getHex",value:function getHex(){var colorSpace

146=arguments.length>0&&arguments[0]!==undefined?arguments[0]:SRGBColorSpace;ColorManagement.fromWorkingColorSpace(toComponents(this,_rgb),colorSpace);return clamp(_rgb.r*255,0,255)<<16^clamp(_rgb.g*255,0,255)<<8^clamp(_rgb.b*255,0,255)<<0;}},{key:"getHexString",value:function getHexString(){var colorSpace=arguments.length>0&&arguments[0]!==undefined?arguments[0]:SRGBColorSpace;return('000000'+this.getHex(colorSpace).toString(16)).slice(-6);}},{key:"getHSL",value:function getHSL(target){var colorSpace=arguments.length>1&&arguments[1]!==undefined?arguments[1]:LinearSRGBColorSpace;// h,s,l ranges are in 0.0 - 1.0
147ColorManagement.fromWorkingColorSpace(toComponents(this,_rgb),colorSpace);var r=_rgb.r,g=_rgb.g,b=_rgb.b;var max=Math.max(r,g,b);var min=Math.min(r,g,b);var hue,saturation;var lightness=(min+max)/2.0;if(min===max){hue=0;saturation=0;}else{var delta=max-min;saturation=lightness<=0.5?delta/(max+min):delta/(2-max-min);switch(max){case r:hue=(g-b)/delta+(g<b?6:0);break;case g:hue=(b-r)/delta+2;break;case b:hue=(r-g)/delta+4;break;}hue/=6;}target.h=hue;target.s=saturation;target.l=lightness;return target;}}

147,{key:"getRGB",value:function getRGB(target){var colorSpace=arguments.length>1&&arguments[1]!==undefined?arguments[1]:LinearSRGBColorSpace;ColorManagement.fromWorkingColorSpace(toComponents(this,_rgb),colorSpace);target.r=_rgb.r;target.g=_rgb.g;target.b=_rgb.b;return target;}},{key:"getStyle",value:function getStyle(){var colorSpace=arguments.length>0&&arguments[0]!==undefined?arguments[0]:SRGBColorSpace;ColorManagement.fromWorkingColorSpace(toComponents(this,_rgb),colorSpace);if(colorSpace!==SRGBColorSpace){// Requires CSS Color Module Level 4 (https://www.w3.org/TR/css-color-4/).
148return"color(".concat(colorSpace," ").concat(_rgb.r," ").concat(_rgb.g," ").concat(_rgb.b,")");}return"rgb(".concat(_rgb.r*255|0,",").concat(_rgb.g*255|0,",").concat(_rgb.b*255|0,")");}},{key:"offsetHSL",value:function offsetHSL(h,s,l){this.getHSL(_hslA);_hslA.h+=h;_hslA.s+=s;_hslA.l+=l;this.setHSL(_hslA.h,_hslA.s,_hslA.l);return this;}},{key:"add",value:function add(color){this.r+=color.r;this.g+=color.g;this.b+=color.b;return this;}},{key:"addColors",value:function addColors(color1,color2){this.r=color1.r+color2.r;this.g=color1.g+color2.g;this.b=color1.b+color2.b;return this;}},{key:"addScalar",value:function addScalar(s){this.r+=s;this.g+=s;this.b+=s;return this;}},{key:"sub",value:function sub(color){this.r=Math.max(0,this.r-color.r);this.g=Math.max(0,this.g-color.g);this.b=Math.max(0,this.b-color.b);return this;}},{key:"multiply",value:function multiply(color){this.r*=color.r;this.g*=color.g;this.b*=color.b;return this;}},{key:"multiplyScalar",value:function multiplyScalar(s){this.r*=s;this.g*=s;this.b*=s;return this;}},{key:"lerp",value:function lerp(color,alpha){this.r+=(color.r-this.r)*alpha;this.g+=(color.g-this.g)*alpha;this.b+=(color.b-this.b)*alpha;return this;}},{key:"lerpColors",value:function lerpColors(color1,color2,alpha){this.r=color1.r+(color2.r-color1.r)*alpha;this.g=color1.g+(color2.g-color1.g)*alpha;this.b=color1.b+(color2.b-color1.b)*alpha;return this;}},{key:"lerpHSL",value:function lerpHSL(color,alpha){this.getHSL(_hslA);color.getHSL(_hslB);var h=lerp(_hslA.h,_hslB.h,alpha);var s=lerp(_hslA.s,_hslB.s,alpha);var l=lerp(_hslA.l,_hslB.l,alpha);this.setHSL(h,s,l);return this;}},{key:"equals",value:function equals(c){return c.r===this.r&&c.g===this.g&&c.b===this.b;}},{key:"fromArray",value:function fromArray(array){var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;this.r=array[offset];this.g=array[offset+1];this.b=array[offset+2];return this;}},{key:"toArray",value:function toArray(){var array=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;array[offset]=this.r;array[offset+1]=this.g;array[offset+2]=this.b;return array;}},{key:"fromBufferAttribute",value:function fromBufferAttribute(attribute,index){this.r=attribute.getX(index);this.g=attribute.getY(index);this.b=attribute.getZ(index);if(attribute.normalized===true){// assuming Uint8Array
149this.r/=255;this.g/=255;this.b/=255;}return this;}},{key:"toJSON",value:function toJSON(){return this.getHex();}},{key:_Symbol$iterator2,value:/*#__PURE__*/_regeneratorRuntime().mark(function value(){return _regeneratorRuntime().wrap(function value$(_context3){while(1)switch(_context3.prev=_context3.next){case 0:_context3.next=2;return this.r;case 2:_context3.next=4;return this.g;case 4:_context3.next=6;return this.b;case 6:case"end":return _context3.stop();}},value,this);})}]);return Color;}(Symbol.iterator);Color.NAMES=_colorKeywords;var _canvas;var ImageUtils=/*#__PURE__*/function(){function ImageUtils(){_classCallCheck(this,ImageUtils);}_createClass(ImageUtils,null,[{key:"getDataURL",value:function getDataURL(image){if(/^data:/i.test(image.src)){return image.src;}if(typeof HTMLCanvasElement=='undefined'){return image.src;}var canvas;if(image instanceof HTMLCanvasElement){canvas=image;}else{if(_canvas===undefined)_canvas=createElementNS('canvas');_canvas.width=image.width;_canvas.height=image.height;var context=_canvas.getContext('2d');

149if(image instanceof ImageData){context.putImageData(image,0,0);}else{context.drawImage(image,0,0,image.width,image.height);}canvas=_canvas;}if(canvas.width>2048||canvas.height>2048){console.warn('THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons',image);return canvas.toDataURL('image/jpeg',0.6);}else{return canvas.toDataURL('image/png');}}},{key:"sRGBToLinear",value:function sRGBToLinear(image){if(typeof HTMLImageElement!=='undefined'&&image instanceof HTMLImageElement||typeof HTMLCanvasElement!=='undefined'&&image instanceof HTMLCanvasElement||typeof ImageBitmap!=='undefined'&&image instanceof ImageBitmap){var canvas=createElementNS('canvas');canvas.width=image.width;canvas.height=image.height;var context=canvas.getContext('2d');context.drawImage(image,0,0,image.width,image.height);var imageData=context.getImageData(0,0,image.width,image.height);var data=imageData.data;for(var i=0;i<data.length;i++){data[i]=SRGBToLinear(data[i]/255)*255;}context.putImageData(imageData,0,0);return canvas;}else if(image.data){var _data=image.data.slice(0);for(var _i=0;_i<_data.length;_i++){if(_data instanceof Uint8Array||_data instanceof Uint8ClampedArray){_data[_i]=Math.floor(SRGBToLinear(_data[_i]/255)*255);}else{// assuming float
150_data[_i]=SRGBToLinear(_data[_i]);}}return{data:_data,width:image.width,height:image.height};}else{console.warn('THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied.');return image;}}}]);return ImageUtils;}();var Source=/*#__PURE__*/function(){function Source(){var data=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;_classCallCheck(this,Source);this.isSource=true;this.uuid=generateUUID();this.data=data;this.version=0;}_createClass(Source,[{key:"needsUpdate",set:function set(value){if(value===true)this.version++;}},{key:"toJSON",value:function toJSON(meta){var isRootObject=meta===undefined||typeof meta==='string';if(!isRootObject&&meta.images[this.uuid]!==undefined){return meta.images[this.uuid];}var output={uuid:this.uuid,url:''};var data=this.data;if(data!==null){var url;if(Array.isArray(data)){// cube texture
151url=[];for(var i=0,l=data.length;i<l;i++){if(data[i].isDataTexture){url.push(serializeImage(data[i].image));}else{url.push(serializeImage(data[i]));}}}else{// texture
152url=serializeImage(data);}output.url=url;}if(!isRootObject){meta.images[this.uuid]=output;}return output;}}]);return Source;}();function serializeImage(image){if(typeof HTMLImageElement!=='undefined'&&image instanceof HTMLImageElement||typeof HTMLCanvasElement!=='undefined'&&image instanceof HTMLCanvasElement||typeof ImageBitmap!=='undefined'&&image instanceof ImageBitmap){// default images
153return ImageUtils.getDataURL(image);}else{if(image.data){// images of DataTexture
154return{data:Array.from(image.data),width:image.width,height:image.height,type:image.data.constructor.name};}else{console.warn('THREE.Texture: Unable to serialize Texture.');return{};}}}var textureId=0;var Texture=/*#__PURE__*/function(_EventDispatcher){_inherits(Texture,_EventDispatcher);var _super=_createSuper(Texture);function Texture(){var _this2;var image=arguments.length>0&&arguments[0]!==undefined?arguments[0]:Texture.DEFAULT_IMAGE;var mapping=arguments.length>1&&arguments[1]!==undefined?arguments[1]:Texture.DEFAULT_MAPPING;var wrapS=arguments.length>2&&arguments[2]!==undefined?arguments[2]:ClampToEdgeWrapping;var wrapT=arguments.length>3&&arguments[3]!==undefined?arguments[3]:ClampToEdgeWrapping;var magFilter=arguments.length>4&&arguments[4]!==undefined?arguments[4]:LinearFilter;var minFilter=arguments.length>5&&arguments[5]!==undefined?arguments[5]:LinearMipmapLinearFilter;var format=arguments.length>6&&arguments[6]!==undefined?arguments[6]:RGBAFormat;var type=arguments.length>7&&arguments[7]!==undefined?arguments[7]:UnsignedByteType;var anisotropy=arguments.length>8&&arguments[8]!==undefined?arguments[8]:1;var encoding=arguments.length>9&&arguments[9]!==undefined?arguments[9]:LinearEncoding;_classCallCheck(this,Texture);_this2=_super.call(this);_this2.isTexture=true;Object.defineProperty(_assertThisInitialized(_this2),'id',{value:textureId++});_this2.uuid=generateUUID();_this2.name='';_this2.source=new Source(image);_this2.mipmaps=[];_this2.mapping=mapping;_this2.wrapS=wrapS;_this2.wrapT=wrapT;_this2.magFilter=magFilter;_this2.minFilter=minFilter;_this2.anisotropy=anisotropy;_this2.format=format;_this2.internalFormat=null;_this2.type=type;_this2.offset=new Vector2(0,0);_this2.repeat=new Vector2(1,1);_this2.center=new Vector2(0,0);_this2.rotation=0;_this2.matrixAutoUpdate=true;_this2.matrix=new Matrix3();_this2.generateMipmaps=true;_this2.premultiplyAlpha=false;_this2.flipY=true;_this2.unpackAlignment=4;// valid values: 1, 2, 4, 8 (see http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml)
155// Values of encoding !== THREE.LinearEncoding only supported on map, envMap and emissiveMap.
156//
157// Also changing the encoding after already used by a Material will not automatically make the Material
158// update. You need to explicitly call Material.needsUpdate to trigger it to recompile.
159_this2.encoding=encoding;_this2.userData={};_this2.version=0;_this2.onUpdate=null;_this2.isRenderTargetTexture=false;// indicates whether a texture belongs to a render target or not
160_this2.needsPMREMUpdate=false;// indicates whether this texture should be processed by PMREMGenerator or not (only relevant for render target textures)
161return _this2;}_createClass(Texture,[{key:"image",get:function get(){return this.source.data;},set:function set(value){this.source.data=value;}},{key:"updateMatrix",value:function updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y);}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"copy",value:function copy(source){this.name=source.name;this.source=source.source;this.mipmaps=source.mipmaps.slice(0);this.mapping=source.mapping;this.wrapS=source.wrapS;this.wrapT=source.wrapT;this.magFilter=source.magFilter;this.minFilter=source.minFilter;this.anisotropy=source.anisotropy;this.format=source.format;this.internalFormat=source.internalFormat;this.type=source.type;this.offset.copy(source.offset);this.repeat.copy(source.repeat);this.center.copy(source.center);this.rotation=source.rotation;this.matrixAutoUpdate=source.matrixAutoUpdate;this.matrix.copy(source.matrix);this.generateMipmaps=source.generateMipmaps;this.premultiplyAlpha=source.premultiplyAlpha;this.flipY=source.flipY;this.unpackAlignment=source.unpackAlignment;this.encoding=source.encoding;this.userData=JSON.parse(JSON.stringify(source.userData));this.needsUpdate=true;return this;}}

161,{key:"toJSON",value:function toJSON(meta){var isRootObject=meta===undefined||typeof meta==='string';if(!isRootObject&&meta.textures[this.uuid]!==undefined){return meta.textures[this.uuid];}var output={metadata:{version:4.5,type:'Texture',generator:'Texture.toJSON'},uuid:this.uuid,name:this.name,image:this.source.toJSON(meta).uuid,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(JSON.stringify(this.userData)!=='{}')output.userData=this.userData;if(!isRootObject){meta.textures[this.uuid]=output;}return output;}},{key:"dispose",value:function dispose(){this.dispatchEvent({type:'dispose'});}},{key:"transformUv",value:function transformUv(uv){if(this.mapping!==UVMapping)return uv;uv.applyMatrix3(this.matrix);if(uv.x<0||uv.x>1){switch(this.wrapS){case RepeatWrapping:uv.x=uv.x-Math.floor(uv.x);break;case ClampToEdgeWrapping:uv.x=uv.x<0?0:1;break;case MirroredRepeatWrapping:if(Math.abs(Math.floor(uv.x)%2)===1){uv.x=Math.ceil(uv.x)-uv.x;}else{uv.x=uv.x-Math.floor(uv.x);}break;}}if(uv.y<0||uv.y>1){switch(this.wrapT){case RepeatWrapping:uv.y=uv.y-Math.floor(uv.y);break;case ClampToEdgeWrapping:uv.y=uv.y<0?0:1;break;case MirroredRepeatWrapping:if(Math.abs(Math.floor(uv.y)%2)===1){uv.y=Math.ceil(uv.y)-uv.y;}else{uv.y=uv.y-Math.floor(uv.y);}break;}}if(this.flipY){uv.y=1-uv.y;}return uv;}},{key:"needsUpdate",set:function set(value){if(value===true){this.version++;this.source.needsUpdate=true;}}}]);return Texture;}(EventDispatcher);Texture.DEFAULT_IMAGE=null;Texture.DEFAULT_MAPPING=UVMapping;var Vector4=/*#__PURE__*/function(_Symbol$iterator3){function Vector4(){var x=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0;var y=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var z=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var w=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;_classCallCheck(this,Vector4);Vector4.prototype.isVector4=true;this.x=x;this.y=y;this.z=z;this.w=w;}_createClass(Vector4,[{key:"width",get:function get(){return this.z;},set:function set(value){this.z=value;}},{key:"height",get:function get(){return this.w;},set:function set(value){this.w=value;}},{key:"set",value:function set(x,y,z,w){this.x=x;this.y=y;this.z=z;this.w=w;return this;}},{key:"setScalar",value:function setScalar(scalar){this.x=scalar;this.y=scalar;this.z=scalar;this.w=scalar;return this;}},{key:"setX",value:function setX(x){this.x=x;return this;}},{key:"setY",value:function setY(y){this.y=y;return this;}},{key:"setZ",value:function setZ(z){this.z=z;return this;}},{key:"setW",value:function setW(w){this.w=w;return this;}},{key:"setComponent",value:function setComponent(index,value){switch(index){case 0:this.x=value;break;case 1:this.y=value;break;case 2:this.z=value;break;case 3:this.w=value;break;default:throw new Error('index is out of range: '+index);}return this;}},{key:"getComponent",value:function getComponent(index){switch(index){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error('index is out of range: '+index);}}},{key:"clone",value:function clone(){return new this.constructor(this.x,this.y,this.z,this.w);}},{key:"copy",value:function copy(v){this.x=v.x;this.y=v.y;this.z=v.z;this.w=v.w!==undefined?v.w:1;return this;}},{key:"add",value:function add(v){this.x+=v.x;this.y+=v.y;this.z+=v.z;this.w+=v.w;return this;}},{key:"addScalar",value:function addScalar(s){this.x+=s;this.y+=s;this.z+=s;this.w+=s;return this;}},{key:"addVectors",value:function addVectors(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this;}},{key:"addScaledVector",value:function addScaledVector(v,s){this.x+=v.x*s;this.y+=v.y*s;this.z+=v.z*s;this.w+=v.w*s;return this;}},{key:"sub",value:function sub(v){this.x-=v.x;this.y-=v.y;this.z-=v.z;this.w-=v.w;return this;}},{key:"subScalar",value:function subScalar(s){this.x-=s;this.y-=s;this.z-=s;this.w-=s;return this;}},{key:"subVectors",value:function subVectors(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this;}},{key:"multiply",value:function multiply(v){this.x*=v.x;this.y*=v.y;this.z*=v.z;this.w*=v.w;return this;}},{key:"multiplyScalar",value:function multiplyScalar(scalar){this.x*=scalar;this.y*=scalar;this.z*=scalar;this.w*=scalar;return this;}},{key:"applyMatrix4",value:function applyMatrix4(m){var x=this.x,y=this.y,z=this.z,w=this.w;var e=m.elements;this.x=e[0]*x+e[4]*y+e[8]*z+e[12]*w;this.y=e[1]*x+e[5]*y+e[9]*z+e[13]*w;this.z=e[2]*x+e[6]*y+e[10]*z+e[14]*w;this.w=e[3]*x+e[7]*y+e[11]*z+e[15]*w;return this;}},{key:"divideScalar",value:function divideScalar(scalar){return this.multiplyScalar(1/scalar);}},{key:"setAxisAngleFromQuaternion",value:function setAxisAngleFromQuaternion(q){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/quaternionToAngle/index.htm
162// q is assumed to be normalized
163this.w=2*Math.acos(q.w);var s=Math.sqrt(1-q.w*q.w);if(s<0.0001){this.x=1;this.y=0;this.z=0;}else{this.x=q.x/s;this.y=q.y/s;this.z=q.z/s;}return this;}},{key:"setAxisAngleFromRotationMatrix",value:function setAxisAngleFromRotationMatrix(m){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToAngle/index.htm
164// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
165var angle,x,y,z;// variables for result

166var epsilon=0.01,// margin to allow for rounding errors
167epsilon2=0.1,// margin to distinguish between 0 and 180 degrees
168te=m.elements,m11=te[0],m12=te[4],m13=te[8],m21=te[1],m22=te[5],m23=te[9],m31=te[2],m32=te[6],m33=te[10];if(Math.abs(m12-m21)<epsilon&&Math.abs(m13-m31)<epsilon&&Math.abs(m23-m32)<epsilon){// singularity found
169// first check for identity matrix which must have +1 for all terms
170// in leading diagonal and zero in other terms
171if(Math.abs(m12+m21)<epsilon2&&Math.abs(m13+m31)<epsilon2&&Math.abs(m23+m32)<epsilon2&&Math.abs(m11+m22+m33-3)<epsilon2){// this singularity is identity matrix so angle = 0
172this.set(1,0,0,0);return this;// zero angle, arbitrary axis
173}// otherwise this singularity is angle = 180
174angle=Math.PI;var xx=(m11+1)/2;var yy=(m22+1)/2;var zz=(m33+1)/2;var xy=(m12+m21)/4;var xz=(m13+m31)/4;var yz=(m23+m32)/4;if(xx>yy&&xx>zz){// m11 is the largest diagonal term
175if(xx<epsilon){x=0;y=0.707106781;z=0.707106781;}else{x=Math.sqrt(xx);y=xy/x;z=xz/x;}}else if(yy>zz){// m22 is the largest diagonal term
176if(yy<epsilon){x=0.707106781;y=0;z=0.707106781;}else{y=Math.sqrt(yy);x=xy/y;z=yz/y;}}else{// m33 is the largest diagonal term so base result on this
177if(zz<epsilon){x=0.707106781;y=0.707106781;z=0;}else{z=Math.sqrt(zz);x=xz/z;y=yz/z;}}this.set(x,y,z,angle);return this;// return 180 deg rotation
178}// as we have reached here there are no singularities so we can handle normally
179var s=Math.sqrt((m32-m23)*(m32-m23)+(m13-m31)*(m13-m31)+(m21-m12)*(m21-m12));// used to normalize
180if(Math.abs(s)<0.001)s=1;// prevent divide by zero, should not happen if matrix is orthogonal and should be
181// caught by singularity test above, but I've left it in just in case
182this.x=(m32-m23)/s;this.y=(m13-m31)/s;this.z=(m21-m12)/s;this.w=Math.acos((m11+m22+m33-1)/2);return this;}},{key:"min",value:function min(v){this.x=Math.min(this.x,v.x);this.y=Math.min(this.y,v.y);this.z=Math.min(this.z,v.z);this.w=Math.min(this.w,v.w);return this;}},{key:"max",value:function max(v){this.x=Math.max(this.x,v.x);this.y=Math.max(this.y,v.y);this.z=Math.max(this.z,v.z);this.w=Math.max(this.w,v.w);return this;}},{key:"clamp",value:function clamp(min,max){// assumes min < max, componentwise
183this.x=Math.max(min.x,Math.min(max.x,this.x));this.y=Math.max(min.y,Math.min(max.y,this.y));this.z=Math.max(min.z,Math.min(max.z,this.z));this.w=Math.max(min.w,Math.min(max.w,this.w));return this;}},{key:"clampScalar",value:function clampScalar(minVal,maxVal){this.x=Math.max(minVal,Math.min(maxVal,this.x));this.y=Math.max(minVal,Math.min(maxVal,this.y));this.z=Math.max(minVal,Math.min(maxVal,this.z));this.w=Math.max(minVal,Math.min(maxVal,this.w));return this;}},{key:"clampLength",value:function clampLength(min,max){var length=this.length();return this.divideScalar(length||1).multiplyScalar(Math.max(min,Math.min(max,length)));}},{key:"floor",value:function floor(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);this.w=Math.floor(this.w);return this;}},{key:"ceil",value:function ceil(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);this.w=Math.ceil(this.w);return this;}},{key:"round",value:function round(){this.x=Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);this.w=Math.round(this.w);return this;}},{key:"roundToZero",value:function roundToZero(){this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x);this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y);this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z);this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w);return this;}},{key:"negate",value:function negate(){this.x=-this.x;this.y=-this.y;this.z=-this.z;this.w=-this.w;return this;}},{key:"dot",value:function dot(v){return this.x*v.x+this.y*v.y+this.z*v.z+this.w*v.w;}},{key:"lengthSq",value:function lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w;}},{key:"length",value:function length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);}},{key:"manhattanLength",value:function manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w);}},{key:"normalize",value:function normalize(){return this.divideScalar(this.length()||1);}},{key:"setLength",value:function setLength(length){return this.normalize().multiplyScalar(length);}},{key:"lerp",value:function lerp(v,alpha){this.x+=(v.x-this.x)*alpha;this.y+=(v.y-this.y)*alpha;this.z+=(v.z-this.z)*alpha;this.w+=(v.w-this.w)*alpha;return this;}},{key:"lerpVectors",value:function lerpVectors(v1,v2,alpha){this.x=v1.x+(v2.x-v1.x)*alpha;this.y=v1.y+(v2.y-v1.y)*alpha;this.z=v1.z+(v2.z-v1.z)*alpha;this.w=v1.w+(v2.w-v1.w)*alpha;return this;}},{key:"equals",value:function equals(v){return v.x===this.x&&v.y===this.y&&v.z===this.z&&v.w===this.w;}},{key:"fromArray",value:function fromArray(array){var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;this.x=array[offset];this.y=array[offset+1];this.z=array[offset+2];this.w=array[offset+3];return this;}},{key:"toArray",value:function toArray(){var array=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;array[offset]=this.x;array[offset+1]=this.y;array[offset+2]=this.z;array[offset+3]=this.w;return array;}},{key:"fromBufferAttribute",value:function fromBufferAttribute(attribute,index){this.x=attribute.getX(index);this.y=attribute.getY(index);this.z=attribute.getZ(index);this.w=attribute.getW(index);return this;}},{key:"random",value:function random(){this.x=Math.random();this.y=Math.random();this.z=Math.random();this.w=Math.random();return this;}},{key:_Symbol$iterator3,value:/*#__PURE__*/_regeneratorRuntime().mark(function value(){return _regeneratorRuntime().wrap(function value$(_context4){while(1)switch(_context4.prev=_context4.next){case 0:_context4.next=2;return this.x;case 2:_context4.next=4;return this.y;case 4:_context4.next=6;return this.z;case 6:_context4.next=8;return this.w;case 8:case"end":return _context4.stop();}},value,this);})}]);return Vector4;}(Symbol.iterator);/*
184	 In options, we can specify:
185	 * Texture parameters for an auto-generated target texture
186	 * depthBuffer/stencilBuffer: Booleans to indicate if we should generate these buffers
187	*/var WebGLRenderTarget=/*#__PURE__*/function(_EventDispatcher2){_inherits(WebGLRenderTarget,_EventDispatcher2);var _super2=_createSuper(WebGLRenderTarget);function WebGLRenderTarget(width,height){var _this3;var options=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{};_classCallCheck(this,WebGLRenderTarget);_this3=_super2.call(this);_this3.isWebGLRenderTarget=true;_this3.width=width;_this3.height=height;_this3.depth=1;_this3.scissor=new Vector4(0,0,width,height);_this3.scissorTest=false;_this3.viewport=new Vector4(0,0,width,height);var image={width:width,height:height,depth:1};_this3.texture=new Texture(image,options.mapping,options.wrapS,options.wrapT,options.magFilter,options.minFilter,options.format,options.type,options.anisotropy,options.encoding);_this3.texture.isRenderTargetTexture=true;_this3.texture.flipY=false;

187_this3.texture.generateMipmaps=options.generateMipmaps!==undefined?options.generateMipmaps:false;_this3.texture.internalFormat=options.internalFormat!==undefined?options.internalFormat:null;_this3.texture.minFilter=options.minFilter!==undefined?options.minFilter:LinearFilter;_this3.depthBuffer=options.depthBuffer!==undefined?options.depthBuffer:true;_this3.stencilBuffer=options.stencilBuffer!==undefined?options.stencilBuffer:false;_this3.depthTexture=options.depthTexture!==undefined?options.depthTexture:null;_this3.samples=options.samples!==undefined?options.samples:0;return _this3;}_createClass(WebGLRenderTarget,[{key:"setSize",value:function setSize(width,height){var depth=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;if(this.width!==width||this.height!==height||this.depth!==depth){this.width=width;this.height=height;this.depth=depth;this.texture.image.width=width;this.texture.image.height=height;this.texture.image.depth=depth;this.dispose();}this.viewport.set(0,0,width,height);this.scissor.set(0,0,width,height);}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"copy",value:function copy(source){this.width=source.width;this.height=source.height;this.depth=source.depth;this.viewport.copy(source.viewport);this.texture=source.texture.clone();this.texture.isRenderTargetTexture=true;// ensure image object is not shared, see #20328
188var image=Object.assign({},source.texture.image);this.texture.source=new Source(image);this.depthBuffer=source.depthBuffer;this.stencilBuffer=source.stencilBuffer;if(source.depthTexture!==null)this.depthTexture=source.depthTexture.clone();this.samples=source.samples;return this;}},{key:"dispose",value:function dispose(){this.dispatchEvent({type:'dispose'});}}]);return WebGLRenderTarget;}(EventDispatcher);var DataArrayTexture=/*#__PURE__*/function(_Texture){_inherits(DataArrayTexture,_Texture);var _super3=_createSuper(DataArrayTexture);function DataArrayTexture(){var _this4;var data=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;var width=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var height=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;var depth=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;_classCallCheck(this,DataArrayTexture);_this4=_super3.call(this,null);_this4.isDataArrayTexture=true;_this4.image={data:data,width:width,height:height,depth:depth};_this4.magFilter=NearestFilter;_this4.minFilter=NearestFilter;_this4.wrapR=ClampToEdgeWrapping;_this4.generateMipmaps=false;_this4.flipY=false;_this4.unpackAlignment=1;return _this4;}return _createClass(DataArrayTexture);}(Texture);var WebGLArrayRenderTarget=/*#__PURE__*/function(_WebGLRenderTarget){_inherits(WebGLArrayRenderTarget,_WebGLRenderTarget);var _super4=_createSuper(WebGLArrayRenderTarget);function WebGLArrayRenderTarget(width,height,depth){var _this5;_classCallCheck(this,WebGLArrayRenderTarget);_this5=_super4.call(this,width,height);_this5.isWebGLArrayRenderTarget=true;_this5.depth=depth;_this5.texture=new DataArrayTexture(null,width,height,depth);_this5.texture.isRenderTargetTexture=true;return _this5;}return _createClass(WebGLArrayRenderTarget);}(WebGLRenderTarget);var Data3DTexture=/*#__PURE__*/function(_Texture2){_inherits(Data3DTexture,_Texture2);var _super5=_createSuper(Data3DTexture);function Data3DTexture(){var _this6;var data=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;var width=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var height=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;var depth=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;_classCallCheck(this,Data3DTexture);// We're going to add .setXXX() methods for setting properties later.
189// Users can still set in DataTexture3D directly.
190//
191//	const texture = new THREE.DataTexture3D( data, width, height, depth );
192// 	texture.anisotropy = 16;
193//
194// See #14839
195_this6=_super5.call(this,null);_this6.isData3DTexture=true;_this6.image={data:data,width:width,height:height,depth:depth};_this6.magFilter=NearestFilter;_this6.minFilter=NearestFilter;_this6.wrapR=ClampToEdgeWrapping;_this6.generateMipmaps=false;_this6.flipY=false;_this6.unpackAlignment=1;return _this6;}return _createClass(Data3DTexture);}(Texture);var WebGL3DRenderTarget=/*#__PURE__*/function(_WebGLRenderTarget2){_inherits(WebGL3DRenderTarget,_WebGLRenderTarget2);var _super6=_createSuper(WebGL3DRenderTarget);function WebGL3DRenderTarget(width,height,depth){var _this7;_classCallCheck(this,WebGL3DRenderTarget);_this7=_super6.call(this,width,height);_this7.isWebGL3DRenderTarget=true;_this7.depth=depth;_this7.texture=new Data3DTexture(null,width,height,depth);_this7.texture.isRenderTargetTexture=true;return _this7;}return _createClass(WebGL3DRenderTarget);}(WebGLRenderTarget);var WebGLMultipleRenderTargets=/*#__PURE__*/function(_WebGLRenderTarget3){_inherits(WebGLMultipleRenderTargets,_WebGLRenderTarget3);var _super7=_createSuper(WebGLMultipleRenderTargets);function WebGLMultipleRenderTargets(width,height,count){var _this8;var options=arguments.length>3&&arguments[3]!==undefined?arguments[3]:{};_classCallCheck(this,WebGLMultipleRenderTargets);_this8=_super7.call(this,width,height,options);_this8.isWebGLMultipleRenderTargets=true;var texture=_this8.texture;_this8.texture=[];for(var i=0;i<count;i++){_this8.texture[i]=texture.clone();_this8.texture[i].isRenderTargetTexture=true;}return _this8;}_createClass(WebGLMultipleRenderTargets,[{key:"setSize",value:function setSize(width,height){var depth=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;if(this.width!==width||this.height!==height||this.depth!==depth){this.width=width;this.height=height;this.depth=depth;for(var i=0,il=this.texture.length;i<il;i++){this.texture[i].image.width=width;this.texture[i].image.height=height;this.texture[i].image.depth=depth;}this.dispose();}this.viewport.set(0,0,width,height);this.scissor.set(0,0,width,height);return this;}},{key:"copy",value:function copy(source){this.dispose();this.width=source.width;this.height=source.height;this.depth=source.depth;this.viewport.set(0,0,this.width,this.height);this.scissor.set(0,0,this.width,this.height);this.depthBuffer=source.depthBuffer;this.stencilBuffer=source.stencilBuffer;if(source.depthTexture!==null)this.depthTexture=source.depthTexture.clone();this.texture.length=0;for(var i=0,il=source.texture.length;i<il;i++){this.texture[i]=source.texture[i].clone();this.texture[i].isRenderTargetTexture=true;}return this;}}]);return WebGLMultipleRenderTargets;}(WebGLRenderTarget);var Quaternion=/*#__PURE__*/function(_Symbol$iterator4){function Quaternion(){var x=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0;var y=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var z=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var w=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;_classCallCheck(this,Quaternion);this.isQuaternion=true;this._x=x;this._y=y;this._z=z;this._w=w;}_createClass(Quaternion,[{key:"x",get:function get(){return this._x;},set:function set(value){this._x=value;this._onChangeCallback();}},{key:"y",get:function get(){return this._y;},set:function set(value){this._y=value;this._onChangeCallback();}},{key:"z",get:function get(){return this._z;},set:function set(value){this._z=value;this._onChangeCallback();}},{key:"w",get:function get(){return this._w;},set:function set(value){this._w=value;this._onChangeCallback();}},{key:"set",value:function set(x,y,z,w){this._x=x;this._y=y;this._z=z;this._w=w;this._onChangeCallback();return this;}},{key:"clone",value:function clone(){return new this.constructor(this._x,this._y,this._z,this._w);}},{key:"copy",value:function copy(quaternion){this._x=quaternion.x;this._y=quaternion.y;this._z=quaternion.z;this._w=quaternion.w;this._onChangeCallback();return this;}},{key:"setFromEuler",value:function setFromEuler(euler,update){if(!(euler&&euler.isEuler)){throw new Error('THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.');}var x=euler._x,y=euler._y,z=euler._z,order=euler._order;// http://www.mathworks.com/matlabcentral/fileexchange/
196// 	20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/
197//	content/SpinCalc.m
198var cos=Math.cos;var sin=Math.sin;var c1=cos(x/2);var c2=cos(y/2);var c3=cos(z/2);var s1=sin(x/2);var s2=sin(y/2);var s3=sin(z/2);switch(order){case'XYZ':this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;break;case'YXZ':this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;break;case'ZXY':this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;break;case'ZYX':this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;break;case'YZX':this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;break;case'XZY':this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;break;default:console.warn('THREE.Quaternion: .setFromEuler() encountered an unknown order: '+order);}if(update!==false)this._onChangeCallback();return this;}},{key:"setFromAxisAngle",value:function setFromAxisAngle(axis,angle){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/angleToQuaternion/index.htm
199// assumes axis is normalized
200var halfAngle=angle/2,s=Math.sin(halfAngle);this._x=axis.x*s;this._y=axis.y*s;this._z=axis.z*s;this._w=Math.cos(halfAngle);this._onChangeCallback();return this;}},{key:"setFromRotationMatrix",value:function setFromRotationMatrix(m){// http://www.euclideanspace.com/maths/geometry/rotations/conversions/matrixToQuaternion/index.htm
201// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
202var te=m.elements,m11=te[0],m12=te[4],m13=te[8],m21=te[1],m22=te[5],m23=te[9],m31=te[2],m32=te[6],m33=te[10],trace=m11+m22+m33;if(trace>0){var s=0.5/Math.sqrt(trace+1.0);this._w=0.25/s;this._x=(m32-m23)*s;this._y=(m13-m31)*s;this._z=(m21-m12)*s;}else if(m11>m22&&m11>m33){var _s=2.0*Math.sqrt(1.0+m11-m22-m33);this._w=(m32-m23)/_s;this._x=0.25*_s;this._y=(m12+m21)/_s;this._z=(m13+m31)/_s;}else if(m22>m33){var _s2=2.0*Math.sqrt(1.0+m22-m11-m33);this._w=(m13-m31)/_s2;this._x=(m12+m21)/_s2;this._y=0.25*_s2;this._z=(m23+m32)/_s2;}else{var _s3=2.0*Math.sqrt(1.0+m33-m11-m22);this._w=(m21-m12)/_s3;this._x=(m13+m31)/_s3;this._y=(m23+m32)/_s3;this._z=0.25*_s3;}this._onChangeCallback();return this;}},{key:"setFromUnitVectors",value:function setFromUnitVectors(vFrom,vTo){// assumes direction vectors vFrom and vTo are normalized
203var r=vFrom.dot(vTo)+1;

203if(r<Number.EPSILON){// vFrom and vTo point in opposite directions
204r=0;if(Math.abs(vFrom.x)>Math.abs(vFrom.z)){this._x=-vFrom.y;this._y=vFrom.x;this._z=0;this._w=r;}else{this._x=0;this._y=-vFrom.z;this._z=vFrom.y;this._w=r;}}else{// crossVectors( vFrom, vTo ); // inlined to avoid cyclic dependency on Vector3
205this._x=vFrom.y*vTo.z-vFrom.z*vTo.y;this._y=vFrom.z*vTo.x-vFrom.x*vTo.z;this._z=vFrom.x*vTo.y-vFrom.y*vTo.x;this._w=r;}return this.normalize();}},{key:"angleTo",value:function angleTo(q){return 2*Math.acos(Math.abs(clamp(this.dot(q),-1,1)));}},{key:"rotateTowards",value:function rotateTowards(q,step){var angle=this.angleTo(q);if(angle===0)return this;var t=Math.min(1,step/angle);this.slerp(q,t);return this;}},{key:"identity",value:function identity(){return this.set(0,0,0,1);}},{key:"invert",value:function invert(){// quaternion is assumed to have unit length
206return this.conjugate();}},{key:"conjugate",value:function conjugate(){this._x*=-1;this._y*=-1;this._z*=-1;this._onChangeCallback();return this;}},{key:"dot",value:function dot(v){return this._x*v._x+this._y*v._y+this._z*v._z+this._w*v._w;}},{key:"lengthSq",value:function lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w;}},{key:"length",value:function length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w);}},{key:"normalize",value:function normalize(){var l=this.length();if(l===0){this._x=0;this._y=0;this._z=0;this._w=1;}else{l=1/l;this._x=this._x*l;this._y=this._y*l;this._z=this._z*l;this._w=this._w*l;}this._onChangeCallback();return this;}},{key:"multiply",value:function multiply(q){return this.multiplyQuaternions(this,q);}},{key:"premultiply",value:function premultiply(q){return this.multiplyQuaternions(q,this);}},{key:"multiplyQuaternions",value:function multiplyQuaternions(a,b){// from http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/code/index.htm
207var qax=a._x,qay=a._y,qaz=a._z,qaw=a._w;var qbx=b._x,qby=b._y,qbz=b._z,qbw=b._w;this._x=qax*qbw+qaw*qbx+qay*qbz-qaz*qby;this._y=qay*qbw+qaw*qby+qaz*qbx-qax*qbz;this._z=qaz*qbw+qaw*qbz+qax*qby-qay*qbx;this._w=qaw*qbw-qax*qbx-qay*qby-qaz*qbz;this._onChangeCallback();return this;}},{key:"slerp",value:function slerp(qb,t){if(t===0)return this;if(t===1)return this.copy(qb);var x=this._x,y=this._y,z=this._z,w=this._w;// http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/slerp/
208var cosHalfTheta=w*qb._w+x*qb._x+y*qb._y+z*qb._z;if(cosHalfTheta<0){this._w=-qb._w;this._x=-qb._x;this._y=-qb._y;this._z=-qb._z;cosHalfTheta=-cosHalfTheta;}else{this.copy(qb);}if(cosHalfTheta>=1.0){this._w=w;this._x=x;this._y=y;this._z=z;return this;}var sqrSinHalfTheta=1.0-cosHalfTheta*cosHalfTheta;if(sqrSinHalfTheta<=Number.EPSILON){var s=1-t;this._w=s*w+t*this._w;this._x=s*x+t*this._x;this._y=s*y+t*this._y;this._z=s*z+t*this._z;this.normalize();this._onChangeCallback();return this;}var sinHalfTheta=Math.sqrt(sqrSinHalfTheta);var halfTheta=Math.atan2(sinHalfTheta,cosHalfTheta);var ratioA=Math.sin((1-t)*halfTheta)/sinHalfTheta,ratioB=Math.sin(t*halfTheta)/sinHalfTheta;this._w=w*ratioA+this._w*ratioB;this._x=x*ratioA+this._x*ratioB;this._y=y*ratioA+this._y*ratioB;this._z=z*ratioA+this._z*ratioB;this._onChangeCallback();return this;}},{key:"slerpQuaternions",value:function slerpQuaternions(qa,qb,t){return this.copy(qa).slerp(qb,t);}},{key:"random",value:function random(){// Derived from http://planning.cs.uiuc.edu/node198.html
209// Note, this source uses w, x, y, z ordering,
210// so we swap the order below.
211var u1=Math.random();var sqrt1u1=Math.sqrt(1-u1);var sqrtu1=Math.sqrt(u1);var u2=2*Math.PI*Math.random();var u3=2*Math.PI*Math.random();return this.set(sqrt1u1*Math.cos(u2),sqrtu1*Math.sin(u3),sqrtu1*Math.cos(u3),sqrt1u1*Math.sin(u2));}},{key:"equals",value:function equals(quaternion){return quaternion._x===this._x&&quaternion._y===this._y&&quaternion._z===this._z&&quaternion._w===this._w;}},{key:"fromArray",value:function fromArray(array){var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;this._x=array[offset];this._y=array[offset+1];this._z=array[offset+2];this._w=array[offset+3];this._onChangeCallback();return this;}},{key:"toArray",value:function toArray(){var array=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;array[offset]=this._x;array[offset+1]=this._y;array[offset+2]=this._z;array[offset+3]=this._w;return array;}},{key:"fromBufferAttribute",value:function fromBufferAttribute(attribute,index){this._x=attribute.getX(index);this._y=attribute.getY(index);this._z=attribute.getZ(index);this._w=attribute.getW(index);return this;}},{key:"_onChange",value:function _onChange(callback){this._onChangeCallback=callback;return this;}},{key:"_onChangeCallback",value:function _onChangeCallback(){}},{key:_Symbol$iterator4,value:/*#__PURE__*/_regeneratorRuntime().mark(function value(){return _regeneratorRuntime().wrap(function value$(_context5){while(1)switch(_context5.prev=_context5.next){case 0:_context5.next=2;return this._x;case 2:_context5.next=4;return this._y;case 4:_context5.next=6;return this._z;case 6:_context5.next=8;return this._w;case 8:case"end":return _context5.stop();}},value,this);})}],[{key:"slerpFlat",value:function slerpFlat(dst,dstOffset,src0,srcOffset0,src1,srcOffset1,t){// fuzz-free, array-based Quaternion SLERP operation
212var x0=src0[srcOffset0+0],y0=src0[srcOffset0+1],z0=src0[srcOffset0+2],w0=src0[srcOffset0+3];var x1=src1[srcOffset1+0],y1=src1[srcOffset1+1],z1=src1[srcOffset1+2],w1=src1[srcOffset1+3];if(t===0){dst[dstOffset+0]=x0;

212dst[dstOffset+1]=y0;dst[dstOffset+2]=z0;dst[dstOffset+3]=w0;return;}if(t===1){dst[dstOffset+0]=x1;dst[dstOffset+1]=y1;dst[dstOffset+2]=z1;dst[dstOffset+3]=w1;return;}if(w0!==w1||x0!==x1||y0!==y1||z0!==z1){var s=1-t;var cos=x0*x1+y0*y1+z0*z1+w0*w1,dir=cos>=0?1:-1,sqrSin=1-cos*cos;// Skip the Slerp for tiny steps to avoid numeric problems:
213if(sqrSin>Number.EPSILON){var sin=Math.sqrt(sqrSin),len=Math.atan2(sin,cos*dir);s=Math.sin(s*len)/sin;t=Math.sin(t*len)/sin;}var tDir=t*dir;x0=x0*s+x1*tDir;y0=y0*s+y1*tDir;z0=z0*s+z1*tDir;w0=w0*s+w1*tDir;// Normalize in case we just did a lerp:
214if(s===1-t){var f=1/Math.sqrt(x0*x0+y0*y0+z0*z0+w0*w0);x0*=f;y0*=f;z0*=f;w0*=f;}}dst[dstOffset]=x0;dst[dstOffset+1]=y0;dst[dstOffset+2]=z0;dst[dstOffset+3]=w0;}},{key:"multiplyQuaternionsFlat",value:function multiplyQuaternionsFlat(dst,dstOffset,src0,srcOffset0,src1,srcOffset1){var x0=src0[srcOffset0];var y0=src0[srcOffset0+1];var z0=src0[srcOffset0+2];var w0=src0[srcOffset0+3];var x1=src1[srcOffset1];var y1=src1[srcOffset1+1];var z1=src1[srcOffset1+2];var w1=src1[srcOffset1+3];dst[dstOffset]=x0*w1+w0*x1+y0*z1-z0*y1;dst[dstOffset+1]=y0*w1+w0*y1+z0*x1-x0*z1;dst[dstOffset+2]=z0*w1+w0*z1+x0*y1-y0*x1;dst[dstOffset+3]=w0*w1-x0*x1-y0*y1-z0*z1;return dst;}}]);return Quaternion;}(Symbol.iterator);var Vector3=/*#__PURE__*/function(_Symbol$iterator5){function Vector3(){var x=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0;var y=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var z=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;_classCallCheck(this,Vector3);Vector3.prototype.isVector3=true;this.x=x;this.y=y;this.z=z;}_createClass(Vector3,[{key:"set",value:function set(x,y,z){if(z===undefined)z=this.z;// sprite.scale.set(x,y)
215this.x=x;this.y=y;this.z=z;return this;}},{key:"setScalar",value:function setScalar(scalar){this.x=scalar;this.y=scalar;this.z=scalar;return this;}},{key:"setX",value:function setX(x){this.x=x;return this;}},{key:"setY",value:function setY(y){this.y=y;return this;}},{key:"setZ",value:function setZ(z){this.z=z;return this;}},{key:"setComponent",value:function setComponent(index,value){switch(index){case 0:this.x=value;break;case 1:this.y=value;break;case 2:this.z=value;break;default:throw new Error('index is out of range: '+index);}return this;}},{key:"getComponent",value:function getComponent(index){switch(index){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error('index is out of range: '+index);}}},{key:"clone",value:function clone(){return new this.constructor(this.x,this.y,this.z);}},{key:"copy",value:function copy(v){this.x=v.x;this.y=v.y;this.z=v.z;return this;}},{key:"add",value:function add(v){this.x+=v.x;this.y+=v.y;this.z+=v.z;return this;}},{key:"addScalar",value:function addScalar(s){this.x+=s;this.y+=s;this.z+=s;return this;}},{key:"addVectors",value:function addVectors(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this;}},{key:"addScaledVector",value:function addScaledVector(v,s){this.x+=v.x*s;this.y+=v.y*s;this.z+=v.z*s;return this;}},{key:"sub",value:function sub(v){this.x-=v.x;this.y-=v.y;this.z-=v.z;return this;}},{key:"subScalar",value:function subScalar(s){this.x-=s;this.y-=s;this.z-=s;return this;}},{key:"subVectors",value:function subVectors(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this;}},{key:"multiply",value:function multiply(v){this.x*=v.x;this.y*=v.y;this.z*=v.z;return this;}},{key:"multiplyScalar",value:function multiplyScalar(scalar){this.x*=scalar;this.y*=scalar;this.z*=scalar;return this;}},{key:"multiplyVectors",value:function multiplyVectors(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this;}},{key:"applyEuler",value:function applyEuler(euler){return this.applyQuaternion(_quaternion$4.setFromEuler(euler));}},{key:"applyAxisAngle",value:function applyAxisAngle(axis,angle){return this.applyQuaternion(_quaternion$4.setFromAxisAngle(axis,angle));}},{key:"applyMatrix3",value:function applyMatrix3(m){var x=this.x,y=this.y,z=this.z;var e=m.elements;this.x=e[0]*x+e[3]*y+e[6]*z;this.y=e[1]*x+e[4]*y+e[7]*z;this.z=e[2]*x+e[5]*y+e[8]*z;return this;}},{key:"applyNormalMatrix",value:function applyNormalMatrix(m){return this.applyMatrix3(m).normalize();}},{key:"applyMatrix4",value:function applyMatrix4(m){var x=this.x,y=this.y,z=this.z;var e=m.elements;var w=1/(e[3]*x+e[7]*y+e[11]*z+e[15]);this.x=(e[0]*x+e[4]*y+e[8]*z+e[12])*w;this.y=(e[1]*x+e[5]*y+e[9]*z+e[13])*w;this.z=(e[2]*x+e[6]*y+e[10]*z+e[14])*w;return this;}},{key:"applyQuaternion",value:function applyQuaternion(q){var x=this.x,y=this.y,z=this.z;var qx=q.x,qy=q.y,qz=q.z,qw=q.w;// calculate quat * vector
216var ix=qw*x+qy*z-qz*y;var iy=qw*y+qz*x-qx*z;var iz=qw*z+qx*y-qy*x;var iw=-qx*x-qy*y-qz*z;// calculate result * inverse quat

217this.x=ix*qw+iw*-qx+iy*-qz-iz*-qy;this.y=iy*qw+iw*-qy+iz*-qx-ix*-qz;this.z=iz*qw+iw*-qz+ix*-qy-iy*-qx;return this;}},{key:"project",value:function project(camera){return this.applyMatrix4(camera.matrixWorldInverse).applyMatrix4(camera.projectionMatrix);}},{key:"unproject",value:function unproject(camera){return this.applyMatrix4(camera.projectionMatrixInverse).applyMatrix4(camera.matrixWorld);}},{key:"transformDirection",value:function transformDirection(m){// input: THREE.Matrix4 affine matrix
218// vector interpreted as a direction
219var x=this.x,y=this.y,z=this.z;var e=m.elements;this.x=e[0]*x+e[4]*y+e[8]*z;this.y=e[1]*x+e[5]*y+e[9]*z;this.z=e[2]*x+e[6]*y+e[10]*z;return this.normalize();}},{key:"divide",value:function divide(v){this.x/=v.x;this.y/=v.y;this.z/=v.z;return this;}},{key:"divideScalar",value:function divideScalar(scalar){return this.multiplyScalar(1/scalar);}},{key:"min",value:function min(v){this.x=Math.min(this.x,v.x);this.y=Math.min(this.y,v.y);this.z=Math.min(this.z,v.z);return this;}},{key:"max",value:function max(v){this.x=Math.max(this.x,v.x);this.y=Math.max(this.y,v.y);this.z=Math.max(this.z,v.z);return this;}},{key:"clamp",value:function clamp(min,max){// assumes min < max, componentwise
220this.x=Math.max(min.x,Math.min(max.x,this.x));this.y=Math.max(min.y,Math.min(max.y,this.y));this.z=Math.max(min.z,Math.min(max.z,this.z));return this;}},{key:"clampScalar",value:function clampScalar(minVal,maxVal){this.x=Math.max(minVal,Math.min(maxVal,this.x));this.y=Math.max(minVal,Math.min(maxVal,this.y));this.z=Math.max(minVal,Math.min(maxVal,this.z));return this;}},{key:"clampLength",value:function clampLength(min,max){var length=this.length();return this.divideScalar(length||1).multiplyScalar(Math.max(min,Math.min(max,length)));}},{key:"floor",value:function floor(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);return this;}},{key:"ceil",value:function ceil(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);return this;}},{key:"round",value:function round(){this.x=Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);return this;}},{key:"roundToZero",value:function roundToZero(){this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x);this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y);this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z);return this;}},{key:"negate",value:function negate(){this.x=-this.x;this.y=-this.y;this.z=-this.z;return this;}},{key:"dot",value:function dot(v){return this.x*v.x+this.y*v.y+this.z*v.z;}// TODO lengthSquared?
221},{key:"lengthSq",value:function lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z;}},{key:"length",value:function length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z);}},{key:"manhattanLength",value:function manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z);}},{key:"normalize",value:function normalize(){return this.divideScalar(this.length()||1);}},{key:"setLength",value:function setLength(length){return this.normalize().multiplyScalar(length);}},{key:"lerp",value:function lerp(v,alpha){this.x+=(v.x-this.x)*alpha;this.y+=(v.y-this.y)*alpha;this.z+=(v.z-this.z)*alpha;return this;}},{key:"lerpVectors",value:function lerpVectors(v1,v2,alpha){this.x=v1.x+(v2.x-v1.x)*alpha;this.y=v1.y+(v2.y-v1.y)*alpha;this.z=v1.z+(v2.z-v1.z)*alpha;return this;}},{key:"cross",value:function cross(v){return this.crossVectors(this,v);}},{key:"crossVectors",value:function crossVectors(a,b){var ax=a.x,ay=a.y,az=a.z;var bx=b.x,by=b.y,bz=b.z;this.x=ay*bz-az*by;this.y=az*bx-ax*bz;this.z=ax*by-ay*bx;return this;}},{key:"projectOnVector",value:function projectOnVector(v){var denominator=v.lengthSq();if(denominator===0)return this.set(0,0,0);var scalar=v.dot(this)/denominator;return this.copy(v).multiplyScalar(scalar);}},{key:"projectOnPlane",value:function projectOnPlane(planeNormal){_vector$c.copy(this).projectOnVector(planeNormal);return this.sub(_vector$c);}},{key:"reflect",value:function reflect(normal){// reflect incident vector off plane orthogonal to normal
222// normal is assumed to have unit length
223return this.sub(_vector$c.copy(normal).multiplyScalar(2*this.dot(normal)));}},{key:"angleTo",value:function angleTo(v){var denominator=Math.sqrt(this.lengthSq()*v.lengthSq());if(denominator===0)return Math.PI/2;var theta=this.dot(v)/denominator;// clamp, to handle numerical problems
224return Math.acos(clamp(theta,-1,1));}},{key:"distanceTo",value:function distanceTo(v){return Math.sqrt(this.distanceToSquared(v));}},{key:"distanceToSquared",value:function distanceToSquared(v){var dx=this.x-v.x,dy=this.y-v.y,dz=this.z

224-v.z;return dx*dx+dy*dy+dz*dz;}},{key:"manhattanDistanceTo",value:function manhattanDistanceTo(v){return Math.abs(this.x-v.x)+Math.abs(this.y-v.y)+Math.abs(this.z-v.z);}},{key:"setFromSpherical",value:function setFromSpherical(s){return this.setFromSphericalCoords(s.radius,s.phi,s.theta);}},{key:"setFromSphericalCoords",value:function setFromSphericalCoords(radius,phi,theta){var sinPhiRadius=Math.sin(phi)*radius;this.x=sinPhiRadius*Math.sin(theta);this.y=Math.cos(phi)*radius;this.z=sinPhiRadius*Math.cos(theta);return this;}},{key:"setFromCylindrical",value:function setFromCylindrical(c){return this.setFromCylindricalCoords(c.radius,c.theta,c.y);}},{key:"setFromCylindricalCoords",value:function setFromCylindricalCoords(radius,theta,y){this.x=radius*Math.sin(theta);this.y=y;this.z=radius*Math.cos(theta);return this;}},{key:"setFromMatrixPosition",value:function setFromMatrixPosition(m){var e=m.elements;this.x=e[12];this.y=e[13];this.z=e[14];return this;}},{key:"setFromMatrixScale",value:function setFromMatrixScale(m){var sx=this.setFromMatrixColumn(m,0).length();var sy=this.setFromMatrixColumn(m,1).length();var sz=this.setFromMatrixColumn(m,2).length();this.x=sx;this.y=sy;this.z=sz;return this;}},{key:"setFromMatrixColumn",value:function setFromMatrixColumn(m,index){return this.fromArray(m.elements,index*4);}},{key:"setFromMatrix3Column",value:function setFromMatrix3Column(m,index){return this.fromArray(m.elements,index*3);}},{key:"setFromEuler",value:function setFromEuler(e){this.x=e._x;this.y=e._y;this.z=e._z;return this;}},{key:"equals",value:function equals(v){return v.x===this.x&&v.y===this.y&&v.z===this.z;}},{key:"fromArray",value:function fromArray(array){var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;this.x=array[offset];this.y=array[offset+1];this.z=array[offset+2];return this;}},{key:"toArray",value:function toArray(){var array=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;array[offset]=this.x;array[offset+1]=this.y;array[offset+2]=this.z;return array;}},{key:"fromBufferAttribute",value:function fromBufferAttribute(attribute,index){this.x=attribute.getX(index);this.y=attribute.getY(index);this.z=attribute.getZ(index);return this;}},{key:"random",value:function random(){this.x=Math.random();this.y=Math.random();this.z=Math.random();return this;}},{key:"randomDirection",value:function randomDirection(){// Derived from https://mathworld.wolfram.com/SpherePointPicking.html
225var u=(Math.random()-0.5)*2;var t=Math.random()*Math.PI*2;var f=Math.sqrt(1-Math.pow(u,2));this.x=f*Math.cos(t);this.y=f*Math.sin(t);this.z=u;return this;}},{key:_Symbol$iterator5,value:/*#__PURE__*/_regeneratorRuntime().mark(function value(){return _regeneratorRuntime().wrap(function value$(_context6){while(1)switch(_context6.prev=_context6.next){case 0:_context6.next=2;return this.x;case 2:_context6.next=4;return this.y;case 4:_context6.next=6;return this.z;case 6:case"end":return _context6.stop();}},value,this);})}]);return Vector3;}(Symbol.iterator);var _vector$c=/*@__PURE__*/new Vector3();var _quaternion$4=/*@__PURE__*/new Quaternion();var Box3=/*#__PURE__*/function(){function Box3(){var min=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector3(+Infinity,+Infinity,+Infinity);var max=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3(-Infinity,-Infinity,-Infinity);_classCallCheck(this,Box3);this.isBox3=true;this.min=min;this.max=max;}_createClass(Box3,[{key:"set",value:function set(min,max){this.min.copy(min);this.max.copy(max);return this;}},{key:"setFromArray",value:function setFromArray(array){var minX=+Infinity;var minY=+Infinity;var minZ=+Infinity;var maxX=-Infinity;var maxY=-Infinity;var maxZ=-Infinity;for(var i=0,l=array.length;i<l;i+=3){var x=array[i];var y=array[i+1];var z=array[i+2];if(x<minX)minX=x;if(y<minY)minY=y;if(z<minZ)minZ=z;if(x>maxX)maxX=x;if(y>maxY)maxY=y;if(z>maxZ)maxZ=z;}this.min.set(minX,minY,minZ);this.max.set(maxX,maxY,maxZ);return this;}},{key:"setFromBufferAttribute",value:function setFromBufferAttribute(attribute){var minX=+Infinity;var minY=+Infinity;var minZ=+Infinity;var maxX=-Infinity;var maxY=-Infinity;var maxZ=-Infinity;for(var i=0,l=attribute.count;i<l;i++){var x=attribute.getX(i);var y=attribute.getY(i);var z=attribute.getZ(i);if(x<minX)minX=x;if(y<minY)minY=y;

225if(z<minZ)minZ=z;if(x>maxX)maxX=x;if(y>maxY)maxY=y;if(z>maxZ)maxZ=z;}this.min.set(minX,minY,minZ);this.max.set(maxX,maxY,maxZ);return this;}},{key:"setFromPoints",value:function setFromPoints(points){this.makeEmpty();for(var i=0,il=points.length;i<il;i++){this.expandByPoint(points[i]);}return this;}},{key:"setFromCenterAndSize",value:function setFromCenterAndSize(center,size){var halfSize=_vector$b.copy(size).multiplyScalar(0.5);this.min.copy(center).sub(halfSize);this.max.copy(center).add(halfSize);return this;}},{key:"setFromObject",value:function setFromObject(object){var precise=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;this.makeEmpty();return this.expandByObject(object,precise);}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"copy",value:function copy(box){this.min.copy(box.min);this.max.copy(box.max);return this;}},{key:"makeEmpty",value:function makeEmpty(){this.min.x=this.min.y=this.min.z=+Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this;}},{key:"isEmpty",value:function isEmpty(){// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes
226return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z;}},{key:"getCenter",value:function getCenter(target){return this.isEmpty()?target.set(0,0,0):target.addVectors(this.min,this.max).multiplyScalar(0.5);}},{key:"getSize",value:function getSize(target){return this.isEmpty()?target.set(0,0,0):target.subVectors(this.max,this.min);}},{key:"expandByPoint",value:function expandByPoint(point){this.min.min(point);this.max.max(point);return this;}},{key:"expandByVector",value:function expandByVector(vector){this.min.sub(vector);this.max.add(vector);return this;}},{key:"expandByScalar",value:function expandByScalar(scalar){this.min.addScalar(-scalar);this.max.addScalar(scalar);return this;}},{key:"expandByObject",value:function expandByObject(object){var precise=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;// Computes the world-axis-aligned bounding box of an object (including its children),
227// accounting for both the object's, and children's, world transforms
228object.updateWorldMatrix(false,false);var geometry=object.geometry;if(geometry!==undefined){if(precise&&geometry.attributes!=undefined&&geometry.attributes.position!==undefined){var position=geometry.attributes.position;for(var i=0,l=position.count;i<l;i++){_vector$b.fromBufferAttribute(position,i).applyMatrix4(object.matrixWorld);this.expandByPoint(_vector$b);}}else{if(geometry.boundingBox===null){geometry.computeBoundingBox();}_box$3.copy(geometry.boundingBox);_box$3.applyMatrix4(object.matrixWorld);this.union(_box$3);}}var children=object.children;for(var _i2=0,_l=children.length;_i2<_l;_i2++){this.expandByObject(children[_i2],precise);}return this;}},{key:"containsPoint",value:function containsPoint(point){return point.x<this.min.x||point.x>this.max.x||point.y<this.min.y||point.y>this.max.y||point.z<this.min.z||point.z>this.max.z?false:true;}},{key:"containsBox",value:function containsBox(box){return this.min.x<=box.min.x&&box.max.x<=this.max.x&&this.min.y<=box.min.y&&box.max.y<=this.max.y&&this.min.z<=box.min.z&&box.max.z<=this.max.z;}},{key:"getParameter",value:function getParameter(point,target){// This can potentially have a divide by zero if the box
229// has a size dimension of 0.
230return target.set((point.x-this.min.x)/(this.max.x-this.min.x),(point.y-this.min.y)/(this.max.y-this.min.y),(point.z-this.min.z)/(this.max.z-this.min.z));}},{key:"intersectsBox",value:function intersectsBox(box){// using 6 splitting planes to rule out intersections.
231return box.max.x<this.min.x||box.min.x>this.max.x||box.max.y<this.min.y||box.min.y>this.max.y||box.max.z<this.min.z||box.min.z>this.max.z?false:true;}},{key:"intersectsSphere",value:function intersectsSphere(sphere){// Find the point on the AABB closest to the sphere center.
232this.clampPoint(sphere.center,_vector$b);// If that point is inside the sphere, the AABB and sphere intersect.
233return _vector$b.distanceToSquared(sphere.center)<=sphere.radius*sphere.radius;}},{key:"intersectsPlane",value:function intersectsPlane(plane){// We compute the minimum and maximum dot product values. If those values
234// are on the same side (back or front) of the plane, then there is no intersection.
235var min,max;if(plane.normal.x>0){min=plane.normal.x*this.min.x;max=plane.normal.x*this.max.x;}else{min=plane.normal.x*this.max.x;max=plane.normal.x*this.min.x;}if(plane.normal.y>0){min+=plane.normal.y*this.min.y;max+=plane.normal.y*this.max.y;}else{min+=plane.normal.y*this.max.y;max+=plane.normal.y*this.min.y;}if(plane.normal.z>0){min+=plane.normal.z*this.min.z;max+=plane.normal.z*this.max.z;}else{min+=plane.normal.z*this.max.z;max+=plane.normal.z*this.min.z;}return min<=-plane.constant&&max>=-plane.constant;}},{key:"intersectsTriangle",value:function intersectsTriangle(triangle){if(this.isEmpty()){return false;}// compute box center and extents
236this.getCenter(_center);_extents.subVectors(this.max,_center);// translate triangle to aabb origin
237_v0$2.subVectors(triangle.a,_center);_v1$7.subVectors(triangle.b,_center);_v2$3.subVectors(triangle.c,_center);// compute edge vectors for triangle
238_f0.subVectors(_v1$7,_v0$2);_f1.subVectors(_v2$3,_v1$7);_f2.subVectors(_v0$2,_v2$3);// test against axes that are given by cross product combinations of the edges of the triangle and the edges of the aabb
239// make an axis testing of each of the 3 sides of the aabb against each of the 3 sides of the triangle = 9 axis of separation
240// axis_ij = u_i x f_j (u0, u1, u2 = face normals of aabb = x,y,z axes vectors since aabb is axis aligned)
241var axes=[0,-_f0.z,_f0.y,0,-_f1.z,_f1.y,0,-_f2.z,_f2.y,_f0.z,0,-_f0.x,_f1.z,0,-_f1.x,_f2.z,0,-_f2.x,-_f0.y,_f0.x,0,-_f1.y,_f1.x,0,-_f2.y,_f2.x,0];if(!satForAxes(axes,_v0$2,_v1$7,_v2$3,_extents)){return false;}// test 3 face normals from the aabb
242axes=[1,0,0,0,1,0,0,0,1];if(!satForAxes(axes,_v0$2,_v1$7,_v2$3,_extents)){return false;}// finally testing the face normal of the triangle
243// use already existing triangle edge vectors here
244_triangleNormal.crossVectors(_f0,_f1);axes=[_triangleNormal.x,_triangleNormal.y,_triangleNormal.z];return satForAxes(axes,_v0$2,_v1$7,_v2$3,_extents);}},{key:"clampPoint",value:function clampPoint(point,target){return target.copy(point).clamp(this.min,this.max);}}

244,{key:"distanceToPoint",value:function distanceToPoint(point){var clampedPoint=_vector$b.copy(point).clamp(this.min,this.max);return clampedPoint.sub(point).length();}},{key:"getBoundingSphere",value:function getBoundingSphere(target){this.getCenter(target.center);target.radius=this.getSize(_vector$b).length()*0.5;return target;}},{key:"intersect",value:function intersect(box){this.min.max(box.min);this.max.min(box.max);// ensure that if there is no overlap, the result is fully empty, not slightly empty with non-inf/+inf values that will cause subsequence intersects to erroneously return valid values.
245if(this.isEmpty())this.makeEmpty();return this;}},{key:"union",value:function union(box){this.min.min(box.min);this.max.max(box.max);return this;}},{key:"applyMatrix4",value:function applyMatrix4(matrix){// transform of empty box is an empty box.
246if(this.isEmpty())return this;// NOTE: I am using a binary pattern to specify all 2^3 combinations below
247_points[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(matrix);// 000
248_points[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(matrix);// 001
249_points[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(matrix);// 010
250_points[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(matrix);// 011
251_points[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(matrix);// 100
252_points[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(matrix);// 101
253_points[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(matrix);// 110
254_points[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(matrix);// 111
255this.setFromPoints(_points);return this;}},{key:"translate",value:function translate(offset){this.min.add(offset);this.max.add(offset);return this;}},{key:"equals",value:function equals(box){return box.min.equals(this.min)&&box.max.equals(this.max);}}]);return Box3;}();var _points=[/*@__PURE__*/new Vector3(),/*@__PURE__*/new Vector3(),/*@__PURE__*/new Vector3(),/*@__PURE__*/new Vector3(),/*@__PURE__*/new Vector3(),/*@__PURE__*/new Vector3(),/*@__PURE__*/new Vector3(),/*@__PURE__*/new Vector3()];var _vector$b=/*@__PURE__*/new Vector3();var _box$3=/*@__PURE__*/new Box3();// triangle centered vertices
256var _v0$2=/*@__PURE__*/new Vector3();var _v1$7=/*@__PURE__*/new Vector3();var _v2$3=/*@__PURE__*/new Vector3();// triangle edge vectors
257var _f0=/*@__PURE__*/new Vector3();var _f1=/*@__PURE__*/new Vector3();var _f2=/*@__PURE__*/new Vector3();var _center=/*@__PURE__*/new Vector3();var _extents=/*@__PURE__*/new Vector3();var _triangleNormal=/*@__PURE__*/new Vector3();var _testAxis=/*@__PURE__*/new Vector3();function satForAxes(axes,v0,v1,v2,extents){for(var i=0,j=axes.length-3;i<=j;i+=3){_testAxis.fromArray(axes,i);// project the aabb onto the separating axis
258var r=extents.x*Math.abs(_testAxis.x)+extents.y*Math.abs(_testAxis.y)+extents.z*Math.abs(_testAxis.z);// project all 3 vertices of the triangle onto the separating axis
259var p0=v0.dot(_testAxis);var p1=v1.dot(_testAxis);var p2=v2.dot(_testAxis);// actual test, basically see if either of the most extreme of the triangle points intersects r
260if(Math.max(-Math.max(p0,p1,p2),Math.min(p0,p1,p2))>r){// points of the projected triangle are outside the projected half-length of the aabb
261// the axis is separating and we can exit
262return false;}}return true;}var _box$2=/*@__PURE__*/new Box3();var _v1$6=/*@__PURE__*/new Vector3();var _toFarthestPoint=/*@__PURE__*/new Vector3();var _toPoint=/*@__PURE__*/new Vector3();var Sphere=/*#__PURE__*/function(){function Sphere(){var center=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector3();var radius=arguments.length>1&&arguments[1]!==undefined?arguments[1]:-1;_classCallCheck(this,Sphere);this.center=center;this.radius=radius;}_createClass(Sphere,[{key:"set",value:function set(center,radius){this.center.copy(center);this.radius=radius;return this;}},{key:"setFromPoints",value:function setFromPoints(points,optionalCenter){var center=this.center;if(optionalCenter!==undefined){center.copy(optionalCenter);}else{_box$2.setFromPoints(points).getCenter(center);}var maxRadiusSq=0;for(var i=0,il=points.length;i<il;i++){maxRadiusSq=Math.max(maxRadiusSq,center.distanceToSquared(points[i]));}this.radius=Math.sqrt(maxRadiusSq);return this;}},{key:"copy",value:function copy(sphere){this.center.copy(sphere.center);this.radius=sphere.radius;return this;}},{key:"isEmpty",value:function isEmpty(){return this.radius<0;}},{key:"makeEmpty",value:function makeEmpty(){this.center.set(0,0,0);this.radius=-1;return this;}},{key:"containsPoint",value:function containsPoint(point){return point.distanceToSquared(this.center)<=this.radius*this.radius;}},{key:"distanceToPoint",value:function distanceToPoint(point){return point.distanceTo(this.center)-this.radius;}},{key:"intersectsSphere",value:function intersectsSphere(sphere){var radiusSum=this.radius+sphere.radius;return sphere.center.distanceToSquared(this.center)<=radiusSum*radiusSum;}},{key:"intersectsBox",value:function intersectsBox(box){return box.intersectsSphere(this);}},{key:"intersectsPlane",value:function intersectsPlane(plane){return Math.abs(plane.distanceToPoint(this.center))<=this.radius;}},{key:"clampPoint",value:function clampPoint(point,target){var deltaLengthSq=this.center.distanceToSquared(point);target.copy(point);if(deltaLengthSq>this.radius*this.radius){target.sub(this.center).normalize();target.multiplyScalar(this.radius).add(this.center);}return target;}},{key:"getBoundingBox",value:function getBoundingBox(target){if(this.isEmpty()){// Empty sphere produces empty bounding box
263target.makeEmpty();return target;}target.set(this.center,this.center);target.expandByScalar(this.radius);return target;}},{key:"applyMatrix4",value:function applyMatrix4(matrix){this.center.applyM

263atrix4(matrix);this.radius=this.radius*matrix.getMaxScaleOnAxis();return this;}},{key:"translate",value:function translate(offset){this.center.add(offset);return this;}},{key:"expandByPoint",value:function expandByPoint(point){// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L649-L671
264_toPoint.subVectors(point,this.center);var lengthSq=_toPoint.lengthSq();if(lengthSq>this.radius*this.radius){var length=Math.sqrt(lengthSq);var missingRadiusHalf=(length-this.radius)*0.5;// Nudge this sphere towards the target point. Add half the missing distance to radius,
265// and the other half to position. This gives a tighter enclosure, instead of if
266// the whole missing distance were just added to radius.
267this.center.add(_toPoint.multiplyScalar(missingRadiusHalf/length));this.radius+=missingRadiusHalf;}return this;}},{key:"union",value:function union(sphere){// from https://github.com/juj/MathGeoLib/blob/2940b99b99cfe575dd45103ef20f4019dee15b54/src/Geometry/Sphere.cpp#L759-L769
268// To enclose another sphere into this sphere, we only need to enclose two points:
269// 1) Enclose the farthest point on the other sphere into this sphere.
270// 2) Enclose the opposite point of the farthest point into this sphere.
271if(this.center.equals(sphere.center)===true){_toFarthestPoint.set(0,0,1).multiplyScalar(sphere.radius);}else{_toFarthestPoint.subVectors(sphere.center,this.center).normalize().multiplyScalar(sphere.radius);}this.expandByPoint(_v1$6.copy(sphere.center).add(_toFarthestPoint));this.expandByPoint(_v1$6.copy(sphere.center).sub(_toFarthestPoint));return this;}},{key:"equals",value:function equals(sphere){return sphere.center.equals(this.center)&&sphere.radius===this.radius;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}}]);return Sphere;}();var _vector$a=/*@__PURE__*/new Vector3();var _segCenter=/*@__PURE__*/new Vector3();var _segDir=/*@__PURE__*/new Vector3();var _diff=/*@__PURE__*/new Vector3();var _edge1=/*@__PURE__*/new Vector3();var _edge2=/*@__PURE__*/new Vector3();var _normal$1=/*@__PURE__*/new Vector3();var Ray=/*#__PURE__*/function(){function Ray(){var origin=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector3();var direction=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3(0,0,-1);_classCallCheck(this,Ray);this.origin=origin;this.direction=direction;}_createClass(Ray,[{key:"set",value:function set(origin,direction){this.origin.copy(origin);this.direction.copy(direction);return this;}},{key:"copy",value:function copy(ray){this.origin.copy(ray.origin);this.direction.copy(ray.direction);return this;}},{key:"at",value:function at(t,target){return target.copy(this.direction).multiplyScalar(t).add(this.origin);}},{key:"lookAt",value:function lookAt(v){this.direction.copy(v).sub(this.origin).normalize();return this;}},{key:"recast",value:function recast(t){this.origin.copy(this.at(t,_vector$a));return this;}},{key:"closestPointToPoint",value:function closestPointToPoint(point,target){target.subVectors(point,this.origin);var directionDistance=target.dot(this.direction);if(directionDistance<0){return target.copy(this.origin);}return target.copy(this.direction).multiplyScalar(directionDistance).add(this.origin);}},{key:"distanceToPoint",value:function distanceToPoint(point){return Math.sqrt(this.distanceSqToPoint(point));}},{key:"distanceSqToPoint",value:function distanceSqToPoint(point){var directionDistance=_vector$a.subVectors(point,this.origin).dot(this.direction);// point behind the ray
272if(directionDistance<0){return this.origin.distanceToSquared(point);}_vector$a.copy(this.direction).multiplyScalar(directionDistance).add(this.origin);return _vector$a.distanceToSquared(point);}},{key:"distanceSqToSegment",value:function distanceSqToSegment(v0,v1,optionalPointOnRay,optionalPointOnSegment){// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteDistRaySegment.h
273// It returns the min distance between the ray and the segment
274// defined by v0 and v1
275// It can also set two optional targets :
276// - The closest point on the ray
277// - The closest point on the segment
278_segCenter.copy(v0).add(v1).multiplyScalar(0.5);_segDir.copy(v1).sub(v0).normalize();_diff.copy(this.origin).sub(_segCenter);var segExtent=v0.distanceTo(v1)*0.5;var a01=-this.direction.dot(_segDir);

278var b0=_diff.dot(this.direction);var b1=-_diff.dot(_segDir);var c=_diff.lengthSq();var det=Math.abs(1-a01*a01);var s0,s1,sqrDist,extDet;if(det>0){// The ray and segment are not parallel.
279s0=a01*b1-b0;s1=a01*b0-b1;extDet=segExtent*det;if(s0>=0){if(s1>=-extDet){if(s1<=extDet){// region 0
280// Minimum at interior points of ray and segment.
281var invDet=1/det;s0*=invDet;s1*=invDet;sqrDist=s0*(s0+a01*s1+2*b0)+s1*(a01*s0+s1+2*b1)+c;}else{// region 1
282s1=segExtent;s0=Math.max(0,-(a01*s1+b0));sqrDist=-s0*s0+s1*(s1+2*b1)+c;}}else{// region 5
283s1=-segExtent;s0=Math.max(0,-(a01*s1+b0));sqrDist=-s0*s0+s1*(s1+2*b1)+c;}}else{if(s1<=-extDet){// region 4
284s0=Math.max(0,-(-a01*segExtent+b0));s1=s0>0?-segExtent:Math.min(Math.max(-segExtent,-b1),segExtent);sqrDist=-s0*s0+s1*(s1+2*b1)+c;}else if(s1<=extDet){// region 3
285s0=0;s1=Math.min(Math.max(-segExtent,-b1),segExtent);sqrDist=s1*(s1+2*b1)+c;}else{// region 2
286s0=Math.max(0,-(a01*segExtent+b0));s1=s0>0?segExtent:Math.min(Math.max(-segExtent,-b1),segExtent);sqrDist=-s0*s0+s1*(s1+2*b1)+c;}}}else{// Ray and segment are parallel.
287s1=a01>0?-segExtent:segExtent;s0=Math.max(0,-(a01*s1+b0));sqrDist=-s0*s0+s1*(s1+2*b1)+c;}if(optionalPointOnRay){optionalPointOnRay.copy(this.direction).multiplyScalar(s0).add(this.origin);}if(optionalPointOnSegment){optionalPointOnSegment.copy(_segDir).multiplyScalar(s1).add(_segCenter);}return sqrDist;}},{key:"intersectSphere",value:function intersectSphere(sphere,target){_vector$a.subVectors(sphere.center,this.origin);var tca=_vector$a.dot(this.direction);var d2=_vector$a.dot(_vector$a)-tca*tca;var radius2=sphere.radius*sphere.radius;if(d2>radius2)return null;var thc=Math.sqrt(radius2-d2);// t0 = first intersect point - entrance on front of sphere
288var t0=tca-thc;// t1 = second intersect point - exit point on back of sphere
289var t1=tca+thc;// test to see if both t0 and t1 are behind the ray - if so, return null
290if(t0<0&&t1<0)return null;// test to see if t0 is behind the ray:
291// if it is, the ray is inside the sphere, so return the second exit point scaled by t1,
292// in order to always return an intersect point that is in front of the ray.
293if(t0<0)return this.at(t1,target);// else t0 is in front of the ray, so return the first collision point scaled by t0
294return this.at(t0,target);}},{key:"intersectsSphere",value:function intersectsSphere(sphere){return this.distanceSqToPoint(sphere.center)<=sphere.radius*sphere.radius;}},{key:"distanceToPlane",value:function distanceToPlane(plane){var denominator=plane.normal.dot(this.direction);if(denominator===0){// line is coplanar, return origin
295if(plane.distanceToPoint(this.origin)===0){return 0;}// Null is preferable to undefined since undefined means.... it is undefined
296return null;}var t=-(this.origin.dot(plane.normal)+plane.constant)/denominator;// Return if the ray never intersects the plane
297return t>=0?t:null;}},{key:"intersectPlane",value:function intersectPlane(plane,target){var t=this.distanceToPlane(plane);if(t===null){return null;}return this.at(t,target);}},{key:"intersectsPlane",value:function intersectsPlane(plane){// check if the ray lies on the plane first
298var distToPoint=plane.distanceToPoint(this.origin);if(distToPoint===0){return true;}var denominator=plane.normal.dot(this.direction);if(denominator*distToPoint<0){return true;}// ray origin is behind the plane (and is pointing behind it)
299return false;}},{key:"intersectBox",value:function intersectBox(box,target){var tmin,tmax,tymin,tymax,tzmin,tzmax;var invdirx=1/this.direction.x,invdiry=1/this.direction.y,invdirz=1/this.direction.z;var origin=this.origin;if(invdirx>=0){tmin=(box.min.x-origin.x)*invdirx;tmax=(box.max.x-origin.x)*invdirx;}else{tmin=(box.max.x-origin.x)*invdirx;tmax=(box.min.x-origin.x)*invdirx;}if(invdiry>=0){tymin=(box.min.y-origin.y)*invdiry;tymax=(box.max.y-origin.y)*invdiry;}else{tymin=(box.max.y-origin.y)*invdiry;tymax=(box.min.y-origin.y)*invdiry;}if(tmin>tymax||tymin>tmax)return null;// These lines also handle the case where tmin or tmax is NaN
300// (result of 0 * Infinity). x !== x returns true if x is NaN
301if(tymin>tmin||tmin!==tmin)tmin=tymin;if(tymax<tmax||tmax!==tmax)tmax=tymax;if(invdirz>=0){tzmin=(box.min.z-origin.z)*invdirz;tzmax=(box.max.z-origin.z)*invdirz;}else{tzmin=(box.max.z-origin.z)*invdirz;tzmax=(box.min.z-origin.z)*invdirz;}if(tmin>tzmax||tzmin>tmax)return null;if(tzmin>tmin||tmin!==tmin)tmin=tzmin;if(tzmax<tmax||tmax!==tmax)tmax=tzmax;//return point closest to the ray (positive side)
302if(tmax<0)return null;return this.at(tmin>=0?tmin:tmax,target);}},{key:"intersectsBox",value:function intersectsBox(box){return this.intersectBox(box,_vector$a)!==null;}},{key:"intersectTriangle",value:function intersectTriangle(a,b,c,backfaceCulling,target){// Compute the offset origin, edges, and normal.
303// from https://github.com/pmjoniak/GeometricTools/blob/master/GTEngine/Include/Mathematics/GteIntrRay3Triangle3.h
304_edge1.subVectors(b,a);_edge2.subVectors(c,a);_normal$1.crossVectors(_edge1,_edge2);// Solve Q + t*D = b1*E1 + b2*E2 (Q = kDiff, D = ray direction,
305// E1 = kEdge1, E2 = kEdge2, N = Cross(E1,E2)) by
306//	 |Dot(D,N)|*b1 = sign(Dot(D,N))*Dot(D,Cross(Q,E2))
307//	 |Dot(D,N)|*b2 = sign(Dot(D,N))*Dot(D,Cross(E1,Q))
308//	 |Dot(D,N)|*t = -sign(Dot(D,N))*Dot(Q,N)
309var DdN=this.direction.dot(_normal$1);var sign;if(DdN>0){if(backfaceCulling)return null;sign=1;}else if(DdN<0){sign=-1;DdN=-DdN;}else{return null;}_diff.subVectors(this.origin,a);var DdQxE2=sign*this.direction.dot(_edge2.crossVectors(_diff,_edge2));// b1 < 0, no intersection
310if(DdQxE2<0){return null;}var DdE1xQ=sign*this.direction.dot(_edge1.cross(_diff));// b2 < 0, no intersection
311if(DdE1xQ<0){return null;}// b1+b2 > 1, no intersection
312if(DdQxE2+DdE1xQ>DdN){return null;}// Line intersects triangle, check if ray does.

313var QdN=-sign*_diff.dot(_normal$1);// t < 0, no intersection
314if(QdN<0){return null;}// Ray intersects triangle.
315return this.at(QdN/DdN,target);}},{key:"applyMatrix4",value:function applyMatrix4(matrix4){this.origin.applyMatrix4(matrix4);this.direction.transformDirection(matrix4);return this;}},{key:"equals",value:function equals(ray){return ray.origin.equals(this.origin)&&ray.direction.equals(this.direction);}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}}]);return Ray;}();var Matrix4=/*#__PURE__*/function(){function Matrix4(){_classCallCheck(this,Matrix4);Matrix4.prototype.isMatrix4=true;this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];}_createClass(Matrix4,[{key:"set",value:function set(n11,n12,n13,n14,n21,n22,n23,n24,n31,n32,n33,n34,n41,n42,n43,n44){var te=this.elements;te[0]=n11;te[4]=n12;te[8]=n13;te[12]=n14;te[1]=n21;te[5]=n22;te[9]=n23;te[13]=n24;te[2]=n31;te[6]=n32;te[10]=n33;te[14]=n34;te[3]=n41;te[7]=n42;te[11]=n43;te[15]=n44;return this;}},{key:"identity",value:function identity(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this;}},{key:"clone",value:function clone(){return new Matrix4().fromArray(this.elements);}},{key:"copy",value:function copy(m){var te=this.elements;var me=m.elements;te[0]=me[0];te[1]=me[1];te[2]=me[2];te[3]=me[3];te[4]=me[4];te[5]=me[5];te[6]=me[6];te[7]=me[7];te[8]=me[8];te[9]=me[9];te[10]=me[10];te[11]=me[11];te[12]=me[12];te[13]=me[13];te[14]=me[14];te[15]=me[15];return this;}},{key:"copyPosition",value:function copyPosition(m){var te=this.elements,me=m.elements;te[12]=me[12];te[13]=me[13];te[14]=me[14];return this;}},{key:"setFromMatrix3",value:function setFromMatrix3(m){var me=m.elements;this.set(me[0],me[3],me[6],0,me[1],me[4],me[7],0,me[2],me[5],me[8],0,0,0,0,1);return this;}},{key:"extractBasis",value:function extractBasis(xAxis,yAxis,zAxis){xAxis.setFromMatrixColumn(this,0);yAxis.setFromMatrixColumn(this,1);zAxis.setFromMatrixColumn(this,2);return this;}},{key:"makeBasis",value:function makeBasis(xAxis,yAxis,zAxis){this.set(xAxis.x,yAxis.x,zAxis.x,0,xAxis.y,yAxis.y,zAxis.y,0,xAxis.z,yAxis.z,zAxis.z,0,0,0,0,1);return this;}},{key:"extractRotation",value:function extractRotation(m){// this method does not support reflection matrices
316var te=this.elements;var me=m.elements;var scaleX=1/_v1$5.setFromMatrixColumn(m,0).length();var scaleY=1/_v1$5.setFromMatrixColumn(m,1).length();var scaleZ=1/_v1$5.setFromMatrixColumn(m,2).length();te[0]=me[0]*scaleX;te[1]=me[1]*scaleX;te[2]=me[2]*scaleX;te[3]=0;te[4]=me[4]*scaleY;te[5]=me[5]*scaleY;te[6]=me[6]*scaleY;te[7]=0;te[8]=me[8]*scaleZ;te[9]=me[9]*scaleZ;te[10]=me[10]*scaleZ;te[11]=0;te[12]=0;te[13]=0;te[14]=0;te[15]=1;return this;}},{key:"makeRotationFromEuler",value:function makeRotationFromEuler(euler){var te=this.elements;var x=euler.x,y=euler.y,z=euler.z;var a=Math.cos(x),b=Math.sin(x);var c=Math.cos(y),d=Math.sin(y);var e=Math.cos(z),f=Math.sin(z);if(euler.order==='XYZ'){var ae=a*e,af=a*f,be=b*e,bf=b*f;te[0]=c*e;te[4]=-c*f;te[8]=d;te[1]=af+be*d;te[5]=ae-bf*d;te[9]=-b*c;te[2]=bf-ae*d;te[6]=be+af*d;te[10]=a*c;}else if(euler.order==='YXZ'){var ce=c*e,cf=c*f,de=d*e,df=d*f;te[0]=ce+df*b;te[4]=de*b-cf;te[8]=a*d;te[1]=a*f;te[5]=a*e;te[9]=-b;te[2]=cf*b-de;te[6]=df+ce*b;te[10]=a*c;}else if(euler.order==='ZXY'){var _ce=c*e,_cf=c*f,_de=d*e,_df=d*f;te[0]=_ce-_df*b;te[4]=-a*f;te[8]=_de+_cf*b;te[1]=_cf+_de*b;te[5]=a*e;te[9]=_df-_ce*b;te[2]=-a*d;te[6]=b;te[10]=a*c;}else if(euler.order==='ZYX'){var _ae=a*e,_af=a*f,_be=b*e,_bf=b*f;te[0]=c*e;te[4]=_be*d-_af;te[8]=_ae*d+_bf;te[1]=c*f;te[5]=_bf*d+_ae;te[9]=_af*d-_be;te[2]=-d;te[6]=b*c;te[10]=a*c;}else if(euler.order==='YZX'){var ac=a*c,ad=a*d,bc=b*c,bd=b*d;te[0]=c*e;te[4]=bd-ac*f;te[8]=bc*f+ad;te[1]=f;te[5]=a*e;te[9]=-b*e;te[2]=-d*e;te[6]=ad*f+bc;te[10]=ac-bd*f;}else if(euler.order==='XZY'){var _ac=a*c,_ad=a*d,_bc=b*c,_bd=b*d;te[0]=c*e;te[4]=-f;te[8]=d*e;te[1]=_ac*f+_bd;te[5]=a*e;te[9]=_ad*f-_bc;te[2]=_bc*f-_ad;te[6]=b*e;te[10]=_bd*f+_ac;}// bottom row
317te[3]=0;te[7]=0;te[11]=0;// last column
318te[12]=0;te[13]=0;te[14]=0;te[15]=1;return this;}},{key:"makeRotationFromQuaternion",value:function makeRotationFromQuaternion(q){return this.compose(_zero,q,_one);}},{key:"lookAt",value:function lookAt(eye,target,up){var te=this.elements;_z.subVectors(eye,target);if(_z.lengthSq()===0){// eye and target are in the same position
319_z.z=1;}_z.normalize();_x.crossVectors(up,_z);if(_x.lengthSq()===0){// up and z are parallel
320if(Math.abs(up.z)===1){_z.x+=0.0001;}else{_z.z+=0.0001;}_z.normalize();_x.crossVectors(up,_z);}_x.normalize();_y.crossVectors(_z,_x);te[0]=_x.x;te[4]=_y.x;te[8]=_z.x;te[1]=_x.y;te[5]=_y.y;te[9]=_z.y;te[2]=_x.z;te[6]=_y.z;te[10]=_z.z;return this;}},{key:"multiply",value:function multiply(m){return this.multiplyMatrices(this,m);}},{key:"premultiply",value:function premultiply(m){return this.multiplyMatrices(m,this);}},{key:"multiplyMatrices",value:function multiplyMatrices(a,b){var ae=a.elements;var be=b.elements;var te=this.elements;var a11=ae[0],a12=ae[4],a13=ae[8],a14=ae[12];var a21=ae[1],a22=ae[5],a23=ae[9],a24=ae[13];var a31=ae[2],a32=ae[6],a33=ae[10],a34=ae[14];var a41=ae[3],a42=ae[7],a43=ae[11],a44=ae[15];var b11=be[0],b12=be[4],b13=be[8],b14=be[12];var b21=be[1],b22=be[5],b23=be[9],b24=be[13];var b31=be[2],b32=be[6],b33=be[10],b34=be[14];var b41=be[3],b42=be[7],b43=be[11],b44=be[15];te[0]=a11*b11+a12*b21+a13*b31+a14*b41;te[4]=a11*b12+a12*b22+a13*b32+a14*b42;te[8]=a11*b13+a12*b23+a13*b33+a14*b43;te[12]=a11*b14+a12*b24+a13*b34+a14*b44;te[1]=a21*b11+a22*b21+a23*b31+a24*b41;te[5]=a21*b12+a22*b22+a23*b32+a24*b42;te[9]=a21*b13+a22*b23+a23*b33+a24*b43;te[13]=a21*b14+a22*b24+a23*b34+a24*b44;te[2]=a31*b11+a32*b21+a33*b31+a34*b41;te[6]=a31*b12+a32*b22+a33*b32+a34*b42;te[10]=a31*b13+a32*b23+a33*b33+a34*b43;te[14]=a31*b14+a32*b24+a33*b34+a34*b44;te[3]=a41*b11+a42*b21+a43*b31+a44*b41;te[7]=a41*b12+a42*b22+a43*b32+a44*b42;te[11]=a41*b13+a42*b23+a43*b33+a44*b43;te[15]=a41*b14+a42*b24+a43*b34+a44*b44;return this;}},{key:"multiplyScalar",value:function multiplyScalar(s){var te=this.elements;te[0]*=s;te[4]*=s;te[8]*=s;te[12]*=s;te[1]*=s;te[5]*=s;te[9]*=s;te[13]*=s;te[2]*=s;te[6]*=s;te[10]*=s;te[14]*=s;te[3]*=s;te[7]*=s;te[11]*=s;te[15]*=s;return this;}},{key:"determinant",value:function determinant(){var te=this.elements;var n11=te[0],n12=te[4],n13=te[8],n14=te[12];var n21=te[1],n22=te[5],n23=te[9],n24=te[13];var n31=te[2],n32=te[6],n33=te[10],n34=te[14];var n41=te[3],n42=te[7],n43=te[11],n44=te[15];//TODO: make this more efficient
321//( based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm )
322return n41*(+n14*n23*n32-n13*n24*n32-n14*n22*n33+n12*n24*n33+n13*n22*n34-n12*n23*n34)+n42*(+n11*n23*n34-n11*n24*n33+n14*n21*n33-n13*n21*n34+n13*n24*n31-n14*n23*n31)+n43*(+n11*n24*n32-n11*n22*n34-n14*n21*n32+n12*n21*n34+n14*n22*n31-n12*n24*n31)+n44*(-n13*n22*n31-n11*n23*n32+n11*n22*n33+n13*n21*n32-n12*n21*n33+n12*n23*n31);}},{key:"transpose",value:function transpose(){var te=this.elements;var tmp;tmp=te[1];te[1]=te[4];te[4]=tmp;tmp=te[2];te[2]=te[8];te[8]=tmp;tmp=te[6];te[6]=te[9];te[9]=tmp;tmp=te[3];te[3]=te[12];te[12]=tmp;tmp=te[7];te[7]=te[13];te[13]=tmp;tmp=te[11];te[11]=te[14];te[14]=tmp;return this;}},{key:"setPosition",value:function setPosition(x,y,z){var te=this.elements;if(x.isVector3){te[12]=x.x;te[13]=x.y;te[14]=x.z;}else{te[12]=x;te[13]=y;te[14]=z;}return this;}},{key:"invert",value:function invert(){// based on http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/fourD/index.htm
323var te=this.elements,n11=te[0],n21=te[1],n31=te[2],n41=te[3],n12=te[4],n22=te[5],n32=te[6],n42=te[7],n13=te[8],n23=te[9],n33=te[10],n43=te[11],n14=te[12],n24=te[13],n34=te[14],n44=te[15],t11=n23*n34*n42-n24*n33*n42+n24*n32*n43-n22*n34*n43-n23*n32*n44+n22*n33*n44,t12=n14*n33*n42-n13*n34*n42-n14*n32*n43+n12*n34*n43+n13*n32*n44-n12*n33*n44,t13=n13*n24*n42-n14*n23*n42+n14*n22*n43-n12*n24*n43-n13*n22*n44+n12*n23*n44,t14=n14*n23*n32-n13*n24*n32-n14*n22*n33+n12*n24*n33+n13*n22*n34-n12*n23*n34;var det=n11*t11+n21*t12+n31*t13+n41*t14;if(det===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);var detInv=1/det;te[0]=t11*detInv;te[1]=(n24*n33*n41-n23*n34*n41-n24*n31*n43+n21*n34*n43+n23*n31*n44-n21*n33*n44)*detInv;te[2]=(n22*n34*n41-n24*n32*n41+n24*n31*n42-n21*n34*n42-n22*n31*n44+n21*n32*n44)*detInv;te[3]=(n23*n32*n41-n22*n33*n41-n23*n31*n42+n21*n33*n42+n22*n31*n43-n21*n32*n43)*detInv;te[4]=t12*detInv;te[5]=(n13*n34*n41-n14*n33*n41+n14*n31*n43-n11*n34*n43-n13*n31*n44+n11*n33*n44)*detInv;te[6]=(n14*n32*n41-n12*n34*n41-n14*n31*n42+n11*n34*n42+n12*n31*n44-n11*n32*n44)*detInv;te[7]=(n12*n33*n41-n13*n32*n41+n13*n31*n42-n11*n33*n42-n12*n31*n43+n11*n32*n43)*detInv;te[8]=t13*detInv;te[9]=(n14*n23*n41-n13*n24*n41-n14*n21*n43+n11*n24*n43+n13*n21*n44-n11*n23*n44)*detInv;te[10]=(n12*n24*n41-n14*n22*n41+n14*n21*n42-n11*n24*n42-n12*n21*n44+n11*n22*n44)*detInv;te[11]=(n13*n22*n41-n12*n23*n41-n13*n21*n42+n11*n23*n42+n12*n21*n43-n11*n22*n43)*detInv;te[12]=t14*detInv;te[13]=(n13*n24*n31-n14*n23*n31+n14*n21*n33-n11*n24*n33-n13*n21*n34+n11*n23*n34)*detInv;te[14]=(n14*n22*n31-n12*n24*n31-n14*n21*n32+n11*n24*n32+n12*n21*n34-n11*n22*n34)*detInv;te[15]=(n12*n23*n31-n13*n22*n31+n13*n21*n32-n11*n23*n32-n12*n21*n33+n11*n22*n33)*detInv;return this;}},{key:"scale",value:function scale(v){var te=this.elements;var x=v.x,y=v.y,z=v.z;te[0]*=x;te[4]*=y;te[8]*=z;te[1]*=x;te[5]*=y;te[9]*=z;te[2]*=x;te[6]*=y;te[10]*=z;te[3]*=x;te[7]*=y;te[11]*=z;return this;}},{key:"getMaxScaleOnAxis",value:function getMaxScaleOnAxis(){var te=this.elements;var scaleXSq=te[0]*te[0]+te[1]*te[1]+te[2]*te[2];var scaleYSq=te[4]*te[4]+te[5]*te[5]+te[6]*te[6];var scaleZSq=te[8]*te[8]+te[9]*te[9]+te[10]*te[10];return Math.sqrt(Math.max(scaleXSq,scaleYSq,scaleZSq));}},{key:"makeTranslation",value:function makeTranslation(x,y,z){this.set(1,0,0,x,0,1,0,y,0,0,1,z,0,0,0,1);return this;}},{key:"makeRotationX",value:function makeRotationX(theta){var c=Math.cos(theta),s=Math.sin(theta);this.set(1,0,0,0,0,c,-s,0,0,s,c,0,0,0,0,1);return this;}},{key:"makeRotationY",value:function makeRotationY(theta){var c=Math.cos(theta),s=Math.sin(theta);this.set(c,0,s,0,0,1,0,0,-s,0,c,0,0,0,0,1);return this;}},{key:"makeRotationZ",value:function makeRotationZ(theta){var c=Math.cos(theta),s=Math.sin(theta);this.set(c,-s,0,0,s,c,0,0,0,0,1,0,0,0,0,1);return this;}},{key:"makeRotationAxis",value:function makeRotationAxis(axis,angle){// Based on http://www.gamedev.net/reference/articles/article1199.asp
324var c=Math.cos(angle);var s=Math.sin(angle);var t=1-c;

324var x=axis.x,y=axis.y,z=axis.z;var tx=t*x,ty=t*y;this.set(tx*x+c,tx*y-s*z,tx*z+s*y,0,tx*y+s*z,ty*y+c,ty*z-s*x,0,tx*z-s*y,ty*z+s*x,t*z*z+c,0,0,0,0,1);return this;}},{key:"makeScale",value:function makeScale(x,y,z){this.set(x,0,0,0,0,y,0,0,0,0,z,0,0,0,0,1);return this;}},{key:"makeShear",value:function makeShear(xy,xz,yx,yz,zx,zy){this.set(1,yx,zx,0,xy,1,zy,0,xz,yz,1,0,0,0,0,1);return this;}},{key:"compose",value:function compose(position,quaternion,scale){var te=this.elements;var x=quaternion._x,y=quaternion._y,z=quaternion._z,w=quaternion._w;var x2=x+x,y2=y+y,z2=z+z;var xx=x*x2,xy=x*y2,xz=x*z2;var yy=y*y2,yz=y*z2,zz=z*z2;var wx=w*x2,wy=w*y2,wz=w*z2;var sx=scale.x,sy=scale.y,sz=scale.z;te[0]=(1-(yy+zz))*sx;te[1]=(xy+wz)*sx;te[2]=(xz-wy)*sx;te[3]=0;te[4]=(xy-wz)*sy;te[5]=(1-(xx+zz))*sy;te[6]=(yz+wx)*sy;te[7]=0;te[8]=(xz+wy)*sz;te[9]=(yz-wx)*sz;te[10]=(1-(xx+yy))*sz;te[11]=0;te[12]=position.x;te[13]=position.y;te[14]=position.z;te[15]=1;return this;}},{key:"decompose",value:function decompose(position,quaternion,scale){var te=this.elements;var sx=_v1$5.set(te[0],te[1],te[2]).length();var sy=_v1$5.set(te[4],te[5],te[6]).length();var sz=_v1$5.set(te[8],te[9],te[10]).length();// if determine is negative, we need to invert one scale
325var det=this.determinant();if(det<0)sx=-sx;position.x=te[12];position.y=te[13];position.z=te[14];// scale the rotation part
326_m1$2.copy(this);var invSX=1/sx;var invSY=1/sy;var invSZ=1/sz;_m1$2.elements[0]*=invSX;_m1$2.elements[1]*=invSX;_m1$2.elements[2]*=invSX;_m1$2.elements[4]*=invSY;_m1$2.elements[5]*=invSY;_m1$2.elements[6]*=invSY;_m1$2.elements[8]*=invSZ;_m1$2.elements[9]*=invSZ;_m1$2.elements[10]*=invSZ;quaternion.setFromRotationMatrix(_m1$2);scale.x=sx;scale.y=sy;scale.z=sz;return this;}},{key:"makePerspective",value:function makePerspective(left,right,top,bottom,near,far){var te=this.elements;var x=2*near/(right-left);var y=2*near/(top-bottom);var a=(right+left)/(right-left);var b=(top+bottom)/(top-bottom);var c=-(far+near)/(far-near);var d=-2*far*near/(far-near);te[0]=x;te[4]=0;te[8]=a;te[12]=0;te[1]=0;te[5]=y;te[9]=b;te[13]=0;te[2]=0;te[6]=0;te[10]=c;te[14]=d;te[3]=0;te[7]=0;te[11]=-1;te[15]=0;return this;}},{key:"makeOrthographic",value:function makeOrthographic(left,right,top,bottom,near,far){var te=this.elements;var w=1.0/(right-left);var h=1.0/(top-bottom);var p=1.0/(far-near);var x=(right+left)*w;var y=(top+bottom)*h;var z=(far+near)*p;te[0]=2*w;te[4]=0;te[8]=0;te[12]=-x;te[1]=0;te[5]=2*h;te[9]=0;te[13]=-y;te[2]=0;te[6]=0;te[10]=-2*p;te[14]=-z;te[3]=0;te[7]=0;te[11]=0;te[15]=1;return this;}},{key:"equals",value:function equals(matrix){var te=this.elements;var me=matrix.elements;for(var i=0;i<16;i++){if(te[i]!==me[i])return false;}return true;}},{key:"fromArray",value:function fromArray(array){var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;for(var i=0;i<16;i++){this.elements[i]=array[i+offset];}return this;}},{key:"toArray",value:function toArray(){var array=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var te=this.elements;array[offset]=te[0];array[offset+1]=te[1];array[offset+2]=te[2];array[offset+3]=te[3];array[offset+4]=te[4];array[offset+5]=te[5];array[offset+6]=te[6];array[offset+7]=te[7];array[offset+8]=te[8];array[offset+9]=te[9];array[offset+10]=te[10];array[offset+11]=te[11];array[offset+12]=te[12];array[offset+13]=te[13];array[offset+14]=te[14];array[offset+15]=te[15];return array;}}]);return Matrix4;}();var _v1$5=/*@__PURE__*/new Vector3();var _m1$2=/*@__PURE__*/new Matrix4();var _zero=/*@__PURE__*/new Vector3(0,0,0);var _one=/*@__PURE__*/new Vector3(1,1,1);var _x=/*@__PURE__*/new Vector3();var _y=/*@__PURE__*/new Vector3();var _z=/*@__PURE__*/new Vector3();var _matrix$1=/*@__PURE__*/new Matrix4();var _quaternion$3=/*@__PURE__*/new Quaternion();var Euler=/*#__PURE__*/function(_Symbol$iterator6){function Euler(){var x=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0;var y=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var z=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var order=arguments.length>3&&arguments[3]!==undefined?arguments[3]:Euler.DefaultOrder;_classCallCheck(this,Euler);

326this.isEuler=true;this._x=x;this._y=y;this._z=z;this._order=order;}_createClass(Euler,[{key:"x",get:function get(){return this._x;},set:function set(value){this._x=value;this._onChangeCallback();}},{key:"y",get:function get(){return this._y;},set:function set(value){this._y=value;this._onChangeCallback();}},{key:"z",get:function get(){return this._z;},set:function set(value){this._z=value;this._onChangeCallback();}},{key:"order",get:function get(){return this._order;},set:function set(value){this._order=value;this._onChangeCallback();}},{key:"set",value:function set(x,y,z){var order=arguments.length>3&&arguments[3]!==undefined?arguments[3]:this._order;this._x=x;this._y=y;this._z=z;this._order=order;this._onChangeCallback();return this;}},{key:"clone",value:function clone(){return new this.constructor(this._x,this._y,this._z,this._order);}},{key:"copy",value:function copy(euler){this._x=euler._x;this._y=euler._y;this._z=euler._z;this._order=euler._order;this._onChangeCallback();return this;}},{key:"setFromRotationMatrix",value:function setFromRotationMatrix(m){var order=arguments.length>1&&arguments[1]!==undefined?arguments[1]:this._order;var update=arguments.length>2&&arguments[2]!==undefined?arguments[2]:true;// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
327var te=m.elements;var m11=te[0],m12=te[4],m13=te[8];var m21=te[1],m22=te[5],m23=te[9];var m31=te[2],m32=te[6],m33=te[10];switch(order){case'XYZ':this._y=Math.asin(clamp(m13,-1,1));if(Math.abs(m13)<0.9999999){this._x=Math.atan2(-m23,m33);this._z=Math.atan2(-m12,m11);}else{this._x=Math.atan2(m32,m22);this._z=0;}break;case'YXZ':this._x=Math.asin(-clamp(m23,-1,1));if(Math.abs(m23)<0.9999999){this._y=Math.atan2(m13,m33);this._z=Math.atan2(m21,m22);}else{this._y=Math.atan2(-m31,m11);this._z=0;}break;case'ZXY':this._x=Math.asin(clamp(m32,-1,1));if(Math.abs(m32)<0.9999999){this._y=Math.atan2(-m31,m33);this._z=Math.atan2(-m12,m22);}else{this._y=0;this._z=Math.atan2(m21,m11);}break;case'ZYX':this._y=Math.asin(-clamp(m31,-1,1));if(Math.abs(m31)<0.9999999){this._x=Math.atan2(m32,m33);this._z=Math.atan2(m21,m11);}else{this._x=0;this._z=Math.atan2(-m12,m22);}break;case'YZX':this._z=Math.asin(clamp(m21,-1,1));if(Math.abs(m21)<0.9999999){this._x=Math.atan2(-m23,m22);this._y=Math.atan2(-m31,m11);}else{this._x=0;this._y=Math.atan2(m13,m33);}break;case'XZY':this._z=Math.asin(-clamp(m12,-1,1));if(Math.abs(m12)<0.9999999){this._x=Math.atan2(m32,m22);this._y=Math.atan2(m13,m11);}else{this._x=Math.atan2(-m23,m33);this._y=0;}break;default:console.warn('THREE.Euler: .setFromRotationMatrix() encountered an unknown order: '+order);}this._order=order;if(update===true)this._onChangeCallback();return this;}},{key:"setFromQuaternion",value:function setFromQuaternion(q,order,update){_matrix$1.makeRotationFromQuaternion(q);return this.setFromRotationMatrix(_matrix$1,order,update);}},{key:"setFromVector3",value:function setFromVector3(v){var order=arguments.length>1&&arguments[1]!==undefined?arguments[1]:this._order;return this.set(v.x,v.y,v.z,order);}},{key:"reorder",value:function reorder(newOrder){// WARNING: this discards revolution information -bhouston
328_quaternion$3.setFromEuler(this);return this.setFromQuaternion(_quaternion$3,newOrder);}},{key:"equals",value:function equals(euler){return euler._x===this._x&&euler._y===this._y&&euler._z===this._z&&euler._order===this._order;}},{key:"fromArray",value:function fromArray(array){this._x=array[0];this._y=array[1];this._z=array[2];if(array[3]!==undefined)this._order=array[3];this._onChangeCallback();return this;}},{key:"toArray",value:function toArray(){var array=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;array[offset]=this._x;array[offset+1]=this._y;array[offset+2]=this._z;array[offset+3]=this._order;return array;}},{key:"_onChange",value:function _onChange(callback){this._onChangeCallback=callback;return this;}},{key:"_onChangeCallback",value:function _onChangeCallback(){}},{key:_Symbol$iterator6,value:/*#__PURE__*/_regeneratorRuntime().mark(function value(){return _regeneratorRuntime().wrap(function value$(_context7){while(1)switch(_context7.prev=_context7.next){case 0:_context7.next=2;return this._x;case 2:_context7.next=4;return this._y;case 4:_context7.next=6;return this._z;case 6:_context7.next=8;return this._order;case 8:case"end":return _context7.stop();}},value,this);})// @deprecated since r138, 02cf0df1cb4575d5842fef9c85bb5a89fe020d53
329}

329,{key:"toVector3",value:function toVector3(){console.error('THREE.Euler: .toVector3() has been removed. Use Vector3.setFromEuler() instead');}}]);return Euler;}(Symbol.iterator);Euler.DefaultOrder='XYZ';Euler.RotationOrders=['XYZ','YZX','ZXY','XZY','YXZ','ZYX'];var Layers=/*#__PURE__*/function(){function Layers(){_classCallCheck(this,Layers);this.mask=1|0;}_createClass(Layers,[{key:"set",value:function set(channel){this.mask=(1<<channel|0)>>>0;}},{key:"enable",value:function enable(channel){this.mask|=1<<channel|0;}},{key:"enableAll",value:function enableAll(){this.mask=0xffffffff|0;}},{key:"toggle",value:function toggle(channel){this.mask^=1<<channel|0;}},{key:"disable",value:function disable(channel){this.mask&=~(1<<channel|0);}},{key:"disableAll",value:function disableAll(){this.mask=0;}},{key:"test",value:function test(layers){return(this.mask&layers.mask)!==0;}},{key:"isEnabled",value:function isEnabled(channel){return(this.mask&(1<<channel|0))!==0;}}]);return Layers;}();var _object3DId=0;var _v1$4=/*@__PURE__*/new Vector3();var _q1=/*@__PURE__*/new Quaternion();var _m1$1=/*@__PURE__*/new Matrix4();var _target=/*@__PURE__*/new Vector3();var _position$3=/*@__PURE__*/new Vector3();var _scale$2=/*@__PURE__*/new Vector3();var _quaternion$2=/*@__PURE__*/new Quaternion();var _xAxis=/*@__PURE__*/new Vector3(1,0,0);var _yAxis=/*@__PURE__*/new Vector3(0,1,0);var _zAxis=/*@__PURE__*/new Vector3(0,0,1);var _addedEvent={type:'added'};var _removedEvent={type:'removed'};var Object3D=/*#__PURE__*/function(_EventDispatcher3){_inherits(Object3D,_EventDispatcher3);var _super8=_createSuper(Object3D);function Object3D(){var _this9;_classCallCheck(this,Object3D);_this9=_super8.call(this);_this9.isObject3D=true;Object.defineProperty(_assertThisInitialized(_this9),'id',{value:_object3DId++});_this9.uuid=generateUUID();_this9.name='';_this9.type='Object3D';_this9.parent=null;_this9.children=[];_this9.up=Object3D.DefaultUp.clone();var position=new Vector3();var rotation=new Euler();var quaternion=new Quaternion();var scale=new Vector3(1,1,1);function onRotationChange(){quaternion.setFromEuler(rotation,false);}function onQuaternionChange(){rotation.setFromQuaternion(quaternion,undefined,false);}rotation._onChange(onRotationChange);quaternion._onChange(onQuaternionChange);Object.defineProperties(_assertThisInitialized(_this9),{position:{configurable:true,enumerable:true,value:position},rotation:{configurable:true,enumerable:true,value:rotation},quaternion:{configurable:true,enumerable:true,value:quaternion},scale:{configurable:true,enumerable:true,value:scale},modelViewMatrix:{value:new Matrix4()},normalMatrix:{value:new Matrix3()}});_this9.matrix=new Matrix4();_this9.matrixWorld=new Matrix4();_this9.matrixAutoUpdate=Object3D.DefaultMatrixAutoUpdate;_this9.matrixWorldNeedsUpdate=false;_this9.layers=new Layers();_this9.visible=true;_this9.castShadow=false;_this9.receiveShadow=false;_this9.frustumCulled=true;_this9.renderOrder=0;_this9.animations=[];_this9.userData={};return _this9;}_createClass(Object3D,[{key:"onBeforeRender",value:function onBeforeRender(){}},{key:"onAfterRender",value:function onAfterRender(){}},{key:"applyMatrix4",value:function applyMatrix4(matrix){if(this.matrixAutoUpdate)this.updateMatrix();this.matrix.premultiply(matrix);this.matrix.decompose(this.position,this.quaternion,this.scale);}},{key:"applyQuaternion",value:function applyQuaternion(q){this.quaternion.premultiply(q);return this;}},{key:"setRotationFromAxisAngle",value:function setRotationFromAxisAngle(axis,angle){// assumes axis is normalized
330this.quaternion.setFromAxisAngle(axis,angle);}},{key:"setRotationFromEuler",value:function setRotationFromEuler(euler){this.quaternion.setFromEuler(euler,true);}},{key:"setRotationFromMatrix",value:function setRotationFromMatrix(m){// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)
331this.quaternion.setFromRotationMatrix(m);}},{key:"setRotationFromQuaternion",value:function setRotationFromQuaternion(q){// assumes q is normalized
332this.quaternion.copy(q);}},{key:"rotateOnAxis",value:function rotateOnAxis(axis,angle){// rotate object on axis in object space
333// axis is assumed to be normalized
334_q1.setFromAxisAngle(axis,angle);

334this.quaternion.multiply(_q1);return this;}},{key:"rotateOnWorldAxis",value:function rotateOnWorldAxis(axis,angle){// rotate object on axis in world space
335// axis is assumed to be normalized
336// method assumes no rotated parent
337_q1.setFromAxisAngle(axis,angle);this.quaternion.premultiply(_q1);return this;}},{key:"rotateX",value:function rotateX(angle){return this.rotateOnAxis(_xAxis,angle);}},{key:"rotateY",value:function rotateY(angle){return this.rotateOnAxis(_yAxis,angle);}},{key:"rotateZ",value:function rotateZ(angle){return this.rotateOnAxis(_zAxis,angle);}},{key:"translateOnAxis",value:function translateOnAxis(axis,distance){// translate object by distance along axis in object space
338// axis is assumed to be normalized
339_v1$4.copy(axis).applyQuaternion(this.quaternion);this.position.add(_v1$4.multiplyScalar(distance));return this;}},{key:"translateX",value:function translateX(distance){return this.translateOnAxis(_xAxis,distance);}},{key:"translateY",value:function translateY(distance){return this.translateOnAxis(_yAxis,distance);}},{key:"translateZ",value:function translateZ(distance){return this.translateOnAxis(_zAxis,distance);}},{key:"localToWorld",value:function localToWorld(vector){return vector.applyMatrix4(this.matrixWorld);}},{key:"worldToLocal",value:function worldToLocal(vector){return vector.applyMatrix4(_m1$1.copy(this.matrixWorld).invert());}},{key:"lookAt",value:function lookAt(x,y,z){// This method does not support objects having non-uniformly-scaled parent(s)
340if(x.isVector3){_target.copy(x);}else{_target.set(x,y,z);}var parent=this.parent;this.updateWorldMatrix(true,false);_position$3.setFromMatrixPosition(this.matrixWorld);if(this.isCamera||this.isLight){_m1$1.lookAt(_position$3,_target,this.up);}else{_m1$1.lookAt(_target,_position$3,this.up);}this.quaternion.setFromRotationMatrix(_m1$1);if(parent){_m1$1.extractRotation(parent.matrixWorld);_q1.setFromRotationMatrix(_m1$1);this.quaternion.premultiply(_q1.invert());}}},{key:"add",value:function add(object){if(arguments.length>1){for(var i=0;i<arguments.length;i++){this.add(arguments[i]);}return this;}if(object===this){console.error('THREE.Object3D.add: object can\'t be added as a child of itself.',object);return this;}if(object&&object.isObject3D){if(object.parent!==null){object.parent.remove(object);}object.parent=this;this.children.push(object);object.dispatchEvent(_addedEvent);}else{console.error('THREE.Object3D.add: object not an instance of THREE.Object3D.',object);}return this;}},{key:"remove",value:function remove(object){if(arguments.length>1){for(var i=0;i<arguments.length;i++){this.remove(arguments[i]);}return this;}var index=this.children.indexOf(object);if(index!==-1){object.parent=null;this.children.splice(index,1);object.dispatchEvent(_removedEvent);}return this;}},{key:"removeFromParent",value:function removeFromParent(){var parent=this.parent;if(parent!==null){parent.remove(this);}return this;}},{key:"clear",value:function clear(){for(var i=0;i<this.children.length;i++){var object=this.children[i];object.parent=null;object.dispatchEvent(_removedEvent);}this.children.length=0;return this;}},{key:"attach",value:function attach(object){// adds object as a child of this, while maintaining the object's world transform
341// Note: This method does not support scene graphs having non-uniformly-scaled nodes(s)
342this.updateWorldMatrix(true,false);_m1$1.copy(this.matrixWorld).invert();if(object.parent!==null){object.parent.updateWorldMatrix(true,false);_m1$1.multiply(object.parent.matrixWorld);}object.applyMatrix4(_m1$1);this.add(object);object.updateWorldMatrix(false,true);return this;}},{key:"getObjectById",value:function getObjectById(id){return this.getObjectByProperty('id',id);}},{key:"getObjectByName",value:function getObjectByName(name){return this.getObjectByProperty('name',name);}},{key:"getObjectByProperty",value:function getObjectByProperty(name,value){if(this[name]===value)return this;for(var i=0,l=this.children.length;i<l;i++){var child=this.children[i];var object=child.getObjectByProperty(name,value);if(object!==undefined){return object;}}return undefined;}},{key:"getWorldPosition",value:function getWorldPosition(target){this.updateWorldMatrix(true,fal

342se);return target.setFromMatrixPosition(this.matrixWorld);}},{key:"getWorldQuaternion",value:function getWorldQuaternion(target){this.updateWorldMatrix(true,false);this.matrixWorld.decompose(_position$3,target,_scale$2);return target;}},{key:"getWorldScale",value:function getWorldScale(target){this.updateWorldMatrix(true,false);this.matrixWorld.decompose(_position$3,_quaternion$2,target);return target;}},{key:"getWorldDirection",value:function getWorldDirection(target){this.updateWorldMatrix(true,false);var e=this.matrixWorld.elements;return target.set(e[8],e[9],e[10]).normalize();}},{key:"raycast",value:function raycast(){}},{key:"traverse",value:function traverse(callback){callback(this);var children=this.children;for(var i=0,l=children.length;i<l;i++){children[i].traverse(callback);}}},{key:"traverseVisible",value:function traverseVisible(callback){if(this.visible===false)return;callback(this);var children=this.children;for(var i=0,l=children.length;i<l;i++){children[i].traverseVisible(callback);}}},{key:"traverseAncestors",value:function traverseAncestors(callback){var parent=this.parent;if(parent!==null){callback(parent);parent.traverseAncestors(callback);}}},{key:"updateMatrix",value:function updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale);this.matrixWorldNeedsUpdate=true;}},{key:"updateMatrixWorld",value:function updateMatrixWorld(force){if(this.matrixAutoUpdate)this.updateMatrix();if(this.matrixWorldNeedsUpdate||force){if(this.parent===null){this.matrixWorld.copy(this.matrix);}else{this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix);}this.matrixWorldNeedsUpdate=false;force=true;}// update children
343var children=this.children;for(var i=0,l=children.length;i<l;i++){children[i].updateMatrixWorld(force);}}},{key:"updateWorldMatrix",value:function updateWorldMatrix(updateParents,updateChildren){var parent=this.parent;if(updateParents===true&&parent!==null){parent.updateWorldMatrix(true,false);}if(this.matrixAutoUpdate)this.updateMatrix();if(this.parent===null){this.matrixWorld.copy(this.matrix);}else{this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix);}// update children
344if(updateChildren===true){var children=this.children;for(var i=0,l=children.length;i<l;i++){children[i].updateWorldMatrix(false,true);}}}},{key:"toJSON",value:function toJSON(meta){// meta is a string when called from JSON.stringify
345var isRootObject=meta===undefined||typeof meta==='string';var output={};// meta is a hash used to collect geometries, materials.
346// not providing it implies that this is the root object
347// being serialized.
348if(isRootObject){// initialize meta obj
349meta={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}};output.metadata={version:4.5,type:'Object',generator:'Object3D.toJSON'};}// standard Object3D serialization
350var object={};object.uuid=this.uuid;object.type=this.type;if(this.name!=='')object.name=this.name;if(this.castShadow===true)object.castShadow=true;if(this.receiveShadow===true)object.receiveShadow=true;if(this.visible===false)object.visible=false;if(this.frustumCulled===false)object.frustumCulled=false;if(this.renderOrder!==0)object.renderOrder=this.renderOrder;if(JSON.stringify(this.userData)!=='{}')object.userData=this.userData;object.layers=this.layers.mask;object.matrix=this.matrix.toArray();if(this.matrixAutoUpdate===false)object.matrixAutoUpdate=false;// object specific properties
351if(this.isInstancedMesh){object.type='InstancedMesh';object.count=this.count;object.instanceMatrix=this.instanceMatrix.toJSON();if(this.instanceColor!==null)object.instanceColor=this.instanceColor.toJSON();}//
352function serialize(library,element){if(library[element.uuid]===undefined){library[element.uuid]=element.toJSON(meta);}return element.uuid;}if(this.isScene){if(this.background){if(this.background.isColor){object.background=this.background.toJSON();}else if(this.background.isTexture){object.background=this.background.toJSON(meta).uuid;}}if(this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==true){object.environment=this.environment.toJSON(meta).uuid;}}else if(this.isMesh||this.isLine||this.isPoints){object.geometry=serialize(meta.geometries,this.geometry);var parameters=this.geometry.parameters;if(parameters!==undefined&&parameters.shapes!==undefined){var shapes=parameters.shapes;if(Array.isArray(shapes)){for(var i=0,l=shapes.length;i<l;i++){var shape=shapes[i];serialize(meta.shapes,shape);}}else{serialize(meta.shapes,shapes);}}}if(this.isSkinnedMesh){object.bindMode=this.bindMode;object.bindMatrix=this.bindMatrix.toArray();if(this.skeleton!==undefined){serialize(meta.skeletons,this.skeleton);object.skeleton=this.skeleton.uuid;}}if(this.material!==undefined){if(Array.isArray(this.material)){var uuids=[];for(var _i3=0,_l2=this.material.length;_i3<_l2;_i3++){uuids.push(serialize(meta.materials,this.material[_i3]));}object.material=uuids;}else{object.material=serialize(meta.materials,this.material);}}//
353if(this.children.length>0){object.children=[];for(var _i4=0;_i4<this.children.length;_i4++){object.children.push(this.children[_i4].toJSON(meta).object);}}//
354if(this.animations.length>0){object.animations=[];for(var _i5=0;_i5<this.animations.length;_i5++){var animation=this.animations[_i5];object.animations.push(serialize(meta.animations,animation));}}if(isRootObject){var geometries=extractFromCache(meta.geometries);var materials=extractFromCache(meta.materials);var textures=extractFromCache(meta.textures);var images=extractFromCache(meta.images);var _shapes=extractFromCache(meta.shapes);var skeletons=extractFromCache(meta.skeletons);var animations=extractFromCache(meta.animations);var nodes=extractFromCache(meta.nodes);if(geometries.length>0)output.geometries=geometries;if(materials.length>0)output.materials=materials;if(textures.length>0)output.textures=textures;if(images.length>0)output.images=images;if(_shapes.length>0)output.shapes=_shapes;if(skeletons.length>0)output.skeletons=skeletons;if(animations.length>0)output.animations=animations;if(nodes.length>0)output.nodes=nodes;}output.object=object;return output;// extract data from the cache hash
355// remove metadata on each item
356// and return as array
357function extractFromCache(cache){var values=[];for(var key in cache){var data=cache[key];delete data.metadata;values.push(data);}return values;}}},{key:"clone",value:function clone(recursive){return new this.constructor().copy(this,recursive);}},{key:"copy",value:function copy(source){var recursive=arguments.length>1&&arguments[1]!==undefined?arguments[1]:true;this.name=source.name;this.up.copy(source.up);this.position.copy(source.position);this.rotation.order=source.rotation.order;this.quaternion.copy(source.quaternion);this.scale.copy(source.scale);this.matrix.copy(source.matrix);this.matrixWorld.copy(source.matrixWorld);this.matrixAutoUpdate=source.matrixAutoUpdate;this.matrixWorldNeedsUpdate=source.matrixWorldNeedsUpdate;this.layers.mask=source.layers.mask;this.visible=source.visible;this.castShadow=source.castShadow;this.receiveShadow=source.receiveShadow;this.frustumCulled=source.frustumCulled;this.renderOrder=source.renderOrder;this.userData=JSON.parse(JSON.stringify(source.userData));if(recursive===true){for(var i=0;i<source.children.length;i++){var child=source.children[i];this.add(child.clone());}}return this;}}]);return Object3D;}(EventDispatcher);Object3D.DefaultUp=/*@__PURE__*/new Vector3(0,1,0);Object3D.DefaultMatrixAutoUpdate=true;var _v0$1=/*@__PURE__*/new Vector3();var _v1$3=/*@__PURE__*/new Vector3();var _v2$2=/*@__PURE__*/new Vector3();var _v3$1=/*@__PURE__*/new Vector3();var _vab=/*@__PURE__*/new Vector3();var _vac=/*@__PURE__*/new Vector3();var _vbc=/*@__PURE__*/new Vector3();var _vap=/*@__PURE__*/new Vector3();var _vbp=/*@__PURE__*/new Vector3();var _vcp=/*@__PURE__*/new Vector3();var Triangle=/*#__PURE__*/function(){function Triangle(){var a=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector3();var b=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3();var c=arguments.length>2&&arguments[2]!==undefined?arguments[2]:new Vector3();_classCallCheck(this,Triangle);this.a=a;this.b=b;this.c=c;}_createClass(Triangle,[{key:"set",value:function set(a,b,c){this.a.copy(a);this.b.copy(b);this.c.copy(c);return this;}},{key:"setFromPointsAndIndices",value:function setFromPointsAndIndices(points,i0,i1,i2){this.a.copy(points[i0

357]);this.b.copy(points[i1]);this.c.copy(points[i2]);return this;}},{key:"setFromAttributeAndIndices",value:function setFromAttributeAndIndices(attribute,i0,i1,i2){this.a.fromBufferAttribute(attribute,i0);this.b.fromBufferAttribute(attribute,i1);this.c.fromBufferAttribute(attribute,i2);return this;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"copy",value:function copy(triangle){this.a.copy(triangle.a);this.b.copy(triangle.b);this.c.copy(triangle.c);return this;}},{key:"getArea",value:function getArea(){_v0$1.subVectors(this.c,this.b);_v1$3.subVectors(this.a,this.b);return _v0$1.cross(_v1$3).length()*0.5;}},{key:"getMidpoint",value:function getMidpoint(target){return target.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3);}},{key:"getNormal",value:function getNormal(target){return Triangle.getNormal(this.a,this.b,this.c,target);}},{key:"getPlane",value:function getPlane(target){return target.setFromCoplanarPoints(this.a,this.b,this.c);}},{key:"getBarycoord",value:function getBarycoord(point,target){return Triangle.getBarycoord(point,this.a,this.b,this.c,target);}},{key:"getUV",value:function getUV(point,uv1,uv2,uv3,target){return Triangle.getUV(point,this.a,this.b,this.c,uv1,uv2,uv3,target);}},{key:"containsPoint",value:function containsPoint(point){return Triangle.containsPoint(point,this.a,this.b,this.c);}},{key:"isFrontFacing",value:function isFrontFacing(direction){return Triangle.isFrontFacing(this.a,this.b,this.c,direction);}},{key:"intersectsBox",value:function intersectsBox(box){return box.intersectsTriangle(this);}},{key:"closestPointToPoint",value:function closestPointToPoint(p,target){var a=this.a,b=this.b,c=this.c;var v,w;// algorithm thanks to Real-Time Collision Detection by Christer Ericson,
358// published by Morgan Kaufmann Publishers, (c) 2005 Elsevier Inc.,
359// under the accompanying license; see chapter 5.1.5 for detailed explanation.
360// basically, we're distinguishing which of the voronoi regions of the triangle
361// the point lies in with the minimum amount of redundant computation.
362_vab.subVectors(b,a);_vac.subVectors(c,a);_vap.subVectors(p,a);var d1=_vab.dot(_vap);var d2=_vac.dot(_vap);if(d1<=0&&d2<=0){// vertex region of A; barycentric coords (1, 0, 0)
363return target.copy(a);}_vbp.subVectors(p,b);var d3=_vab.dot(_vbp);var d4=_vac.dot(_vbp);if(d3>=0&&d4<=d3){// vertex region of B; barycentric coords (0, 1, 0)
364return target.copy(b);}var vc=d1*d4-d3*d2;if(vc<=0&&d1>=0&&d3<=0){v=d1/(d1-d3);// edge region of AB; barycentric coords (1-v, v, 0)
365return target.copy(a).addScaledVector(_vab,v);}_vcp.subVectors(p,c);var d5=_vab.dot(_vcp);var d6=_vac.dot(_vcp);if(d6>=0&&d5<=d6){// vertex region of C; barycentric coords (0, 0, 1)
366return target.copy(c);}var vb=d5*d2-d1*d6;if(vb<=0&&d2>=0&&d6<=0){w=d2/(d2-d6);// edge region of AC; barycentric coords (1-w, 0, w)
367return target.copy(a).addScaledVector(_vac,w);}var va=d3*d6-d5*d4;if(va<=0&&d4-d3>=0&&d5-d6>=0){_vbc.subVectors(c,b);w=(d4-d3)/(d4-d3+(d5-d6));// edge region of BC; barycentric coords (0, 1-w, w)
368return target.copy(b).addScaledVector(_vbc,w);// edge region of BC
369}// face region
370var denom=1/(va+vb+vc);// u = va * denom
371v=vb*denom;w=vc*denom;return target.copy(a).addScaledVector(_vab,v).addScaledVector(_vac,w);}},{key:"equals",value:function equals(triangle){return triangle.a.equals(this.a)&&triangle.b.equals(this.b)&&triangle.c.equals(this.c);}}],[{key:"getNormal",value:function getNormal(a,b,c,target){target.subVectors(c,b);_v0$1.subVectors(a,b);target.cross(_v0$1);var targetLengthSq=target.lengthSq();if(targetLengthSq>0){return target.multiplyScalar(1/Math.sqrt(targetLengthSq));}return target.set(0,0,0);}// static/instance method to calculate barycentric coordinates
372// based on: http://www.blackpawn.com/texts/pointinpoly/default.html
373},{key:"getBarycoord",value:function getBarycoord(point,a,b,c,target){_v0$1.subVectors(c,a);_v1$3.subVectors(b,a);_v2$2.subVectors(point,a);var dot00=_v0$1.dot(_v0$1);var dot01=_v0$1.dot(_v1$3);var dot02=_v0$1.dot(_v2$2);var dot11=_v1$3.dot(_v1$3);var dot12=_v1$3.dot(_v2$2);var denom=dot00*dot11-dot01*dot01;// collinear or singular triangle
374if(denom===0){// arbitrary location outside of triangle?
375// not sure if this is the best idea, maybe should be returning undefined
376return target.set(-2,-1,-1);}var invDenom=1/denom;var u=(dot11*dot02-dot01*dot12)*invDenom;var v=(dot00*dot12-dot01*dot02)*invDenom;

376// barycentric coordinates must always sum to 1
377return target.set(1-u-v,v,u);}},{key:"containsPoint",value:function containsPoint(point,a,b,c){this.getBarycoord(point,a,b,c,_v3$1);return _v3$1.x>=0&&_v3$1.y>=0&&_v3$1.x+_v3$1.y<=1;}},{key:"getUV",value:function getUV(point,p1,p2,p3,uv1,uv2,uv3,target){this.getBarycoord(point,p1,p2,p3,_v3$1);target.set(0,0);target.addScaledVector(uv1,_v3$1.x);target.addScaledVector(uv2,_v3$1.y);target.addScaledVector(uv3,_v3$1.z);return target;}},{key:"isFrontFacing",value:function isFrontFacing(a,b,c,direction){_v0$1.subVectors(c,b);_v1$3.subVectors(a,b);// strictly front facing
378return _v0$1.cross(_v1$3).dot(direction)<0?true:false;}}]);return Triangle;}();var materialId=0;var Material=/*#__PURE__*/function(_EventDispatcher4){_inherits(Material,_EventDispatcher4);var _super9=_createSuper(Material);function Material(){var _this10;_classCallCheck(this,Material);_this10=_super9.call(this);_this10.isMaterial=true;Object.defineProperty(_assertThisInitialized(_this10),'id',{value:materialId++});_this10.uuid=generateUUID();_this10.name='';_this10.type='Material';_this10.blending=NormalBlending;_this10.side=FrontSide;_this10.vertexColors=false;_this10.opacity=1;_this10.transparent=false;_this10.blendSrc=SrcAlphaFactor;_this10.blendDst=OneMinusSrcAlphaFactor;_this10.blendEquation=AddEquation;_this10.blendSrcAlpha=null;_this10.blendDstAlpha=null;_this10.blendEquationAlpha=null;_this10.depthFunc=LessEqualDepth;_this10.depthTest=true;_this10.depthWrite=true;_this10.stencilWriteMask=0xff;_this10.stencilFunc=AlwaysStencilFunc;_this10.stencilRef=0;_this10.stencilFuncMask=0xff;_this10.stencilFail=KeepStencilOp;_this10.stencilZFail=KeepStencilOp;_this10.stencilZPass=KeepStencilOp;_this10.stencilWrite=false;_this10.clippingPlanes=null;_this10.clipIntersection=false;_this10.clipShadows=false;_this10.shadowSide=null;_this10.colorWrite=true;_this10.precision=null;// override the renderer's default precision for this material
379_this10.polygonOffset=false;_this10.polygonOffsetFactor=0;_this10.polygonOffsetUnits=0;_this10.dithering=false;_this10.alphaToCoverage=false;_this10.premultipliedAlpha=false;_this10.visible=true;_this10.toneMapped=true;_this10.userData={};_this10.version=0;_this10._alphaTest=0;return _this10;}_createClass(Material,[{key:"alphaTest",get:function get(){return this._alphaTest;},set:function set(value){if(this._alphaTest>0!==value>0){this.version++;}this._alphaTest=value;}},{key:"onBuild",value:function onBuild(){}},{key:"onBeforeRender",value:function onBeforeRender(){}},{key:"onBeforeCompile",value:function onBeforeCompile(){}},{key:"customProgramCacheKey",value:function customProgramCacheKey(){return this.onBeforeCompile.toString();}},{key:"setValues",value:function setValues(values){if(values===undefined)return;for(var key in values){var newValue=values[key];if(newValue===undefined){console.warn('THREE.Material: \''+key+'\' parameter is undefined.');continue;}// for backward compatibility if shading is set in the constructor
380if(key==='shading'){console.warn('THREE.'+this.type+': .shading has been removed. Use the boolean .flatShading instead.');this.flatShading=newValue===FlatShading?true:false;continue;}var currentValue=this[key];if(currentValue===undefined){console.warn('THREE.'+this.type+': \''+key+'\' is not a property of this material.');continue;}if(currentValue&&currentValue.isColor){currentValue.set(newValue);}else if(currentValue&&currentValue.isVector3&&newValue&&newValue.isVector3){currentValue.copy(newValue);}else{this[key]=newValue;}}}},{key:"toJSON",value:function toJSON(meta){var isRootObject=meta===undefined||typeof meta==='string';if(isRootObject){meta={textures:{},images:{}};}var data={metadata:{version:4.5,type:'Material',generator:'Material.toJSON'}};// standard Material serialization
381data.uuid=this.uuid;

381data.type=this.type;if(this.name!=='')data.name=this.name;if(this.color&&this.color.isColor)data.color=this.color.getHex();if(this.roughness!==undefined)data.roughness=this.roughness;if(this.metalness!==undefined)data.metalness=this.metalness;if(this.sheen!==undefined)data.sheen=this.sheen;if(this.sheenColor&&this.sheenColor.isColor)data.sheenColor=this.sheenColor.getHex();if(this.sheenRoughness!==undefined)data.sheenRoughness=this.sheenRoughness;if(this.emissive&&this.emissive.isColor)data.emissive=this.emissive.getHex();if(this.emissiveIntensity&&this.emissiveIntensity!==1)data.emissiveIntensity=this.emissiveIntensity;if(this.specular&&this.specular.isColor)data.specular=this.specular.getHex();if(this.specularIntensity!==undefined)data.specularIntensity=this.specularIntensity;if(this.specularColor&&this.specularColor.isColor)data.specularColor=this.specularColor.getHex();if(this.shininess!==undefined)data.shininess=this.shininess;if(this.clearcoat!==undefined)data.clearcoat=this.clearcoat;if(this.clearcoatRoughness!==undefined)data.clearcoatRoughness=this.clearcoatRoughness;if(this.clearcoatMap&&this.clearcoatMap.isTexture){data.clearcoatMap=this.clearcoatMap.toJSON(meta).uuid;}if(this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture){data.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(meta).uuid;}if(this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture){data.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(meta).uuid;data.clearcoatNormalScale=this.clearcoatNormalScale.toArray();}if(this.iridescence!==undefined)data.iridescence=this.iridescence;if(this.iridescenceIOR!==undefined)data.iridescenceIOR=this.iridescenceIOR;if(this.iridescenceThicknessRange!==undefined)data.iridescenceThicknessRange=this.iridescenceThicknessRange;if(this.iridescenceMap&&this.iridescenceMap.isTexture){data.iridescenceMap=this.iridescenceMap.toJSON(meta).uuid;}if(this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture){data.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(meta).uuid;}if(this.map&&this.map.isTexture)data.map=this.map.toJSON(meta).uuid;if(this.matcap&&this.matcap.isTexture)data.matcap=this.matcap.toJSON(meta).uuid;if(this.alphaMap&&this.alphaMap.isTexture)data.alphaMap=this.alphaMap.toJSON(meta).uuid;if(this.lightMap&&this.lightMap.isTexture){data.lightMap=this.lightMap.toJSON(meta).uuid;data.lightMapIntensity=this.lightMapIntensity;}if(this.aoMap&&this.aoMap.isTexture){data.aoMap=this.aoMap.toJSON(meta).uuid;data.aoMapIntensity=this.aoMapIntensity;}if(this.bumpMap&&this.bumpMap.isTexture){data.bumpMap=this.bumpMap.toJSON(meta).uuid;data.bumpScale=this.bumpScale;}if(this.normalMap&&this.normalMap.isTexture){data.normalMap=this.normalMap.toJSON(meta).uuid;data.normalMapType=this.normalMapType;data.normalScale=this.normalScale.toArray();}if(this.displacementMap&&this.displacementMap.isTexture){data.displacementMap=this.displacementMap.toJSON(meta).uuid;data.displacementScale=this.displacementScale;data.displacementBias=this.displacementBias;}if(this.roughnessMap&&this.roughnessMap.isTexture)data.roughnessMap=this.roughnessMap.toJSON(meta).uuid;if(this.metalnessMap&&this.metalnessMap.isTexture)data.metalnessMap=this.metalnessMap.toJSON(meta).uuid;if(this.emissiveMap&&this.emissiveMap.isTexture)data.emissiveMap=this.emissiveMap.toJSON(meta).uuid;if(this.specularMap&&this.specularMap.isTexture)data.specularMap=this.specularMap.toJSON(meta).uuid;if(this.specularIntensityMap&&this.specularIntensityMap.isTexture)data.specularIntensityMap=this.specularIntensityMap.toJSON(meta).uuid;if(this.specularColorMap&&this.specularColorMap.isTexture)data.specularColorMap=this.specularColorMap.toJSON(meta).uuid;if(this.envMap&&this.envMap.isTexture){data.envMap=this.envMap.toJSON(meta).uuid;if(this.combine!==undefined)data.combine=this.combine;}if(this.envMapIntensity!==undefined)data.envMapIntensity=this.envMapIntensity;if(this.reflectivity!==undefined)data.reflectivity=this.reflectivity;if(this.refractionRatio!==undefined)data.refractionRatio=this.refractionRatio;if(this.gradientMap&&this.gradientMap.isTexture){data.gradientMap=this.gradientMap.toJSON(meta).uuid;}if(this.transmission!==undefined)data.transmission=this.transmission;if(this.transmissionMap&&this.transmissionMap.isTexture)data.transmissionMap=this.transmissionMap.toJSON(meta).uuid;

381if(this.thickness!==undefined)data.thickness=this.thickness;if(this.thicknessMap&&this.thicknessMap.isTexture)data.thicknessMap=this.thicknessMap.toJSON(meta).uuid;if(this.attenuationDistance!==undefined)data.attenuationDistance=this.attenuationDistance;if(this.attenuationColor!==undefined)data.attenuationColor=this.attenuationColor.getHex();if(this.size!==undefined)data.size=this.size;if(this.shadowSide!==null)data.shadowSide=this.shadowSide;if(this.sizeAttenuation!==undefined)data.sizeAttenuation=this.sizeAttenuation;if(this.blending!==NormalBlending)data.blending=this.blending;if(this.side!==FrontSide)data.side=this.side;if(this.vertexColors)data.vertexColors=true;if(this.opacity<1)data.opacity=this.opacity;if(this.transparent===true)data.transparent=this.transparent;data.depthFunc=this.depthFunc;data.depthTest=this.depthTest;data.depthWrite=this.depthWrite;data.colorWrite=this.colorWrite;data.stencilWrite=this.stencilWrite;data.stencilWriteMask=this.stencilWriteMask;data.stencilFunc=this.stencilFunc;data.stencilRef=this.stencilRef;data.stencilFuncMask=this.stencilFuncMask;data.stencilFail=this.stencilFail;data.stencilZFail=this.stencilZFail;data.stencilZPass=this.stencilZPass;// rotation (SpriteMaterial)
382if(this.rotation!==undefined&&this.rotation!==0)data.rotation=this.rotation;if(this.polygonOffset===true)data.polygonOffset=true;if(this.polygonOffsetFactor!==0)data.polygonOffsetFactor=this.polygonOffsetFactor;if(this.polygonOffsetUnits!==0)data.polygonOffsetUnits=this.polygonOffsetUnits;if(this.linewidth!==undefined&&this.linewidth!==1)data.linewidth=this.linewidth;if(this.dashSize!==undefined)data.dashSize=this.dashSize;if(this.gapSize!==undefined)data.gapSize=this.gapSize;if(this.scale!==undefined)data.scale=this.scale;if(this.dithering===true)data.dithering=true;if(this.alphaTest>0)data.alphaTest=this.alphaTest;if(this.alphaToCoverage===true)data.alphaToCoverage=this.alphaToCoverage;if(this.premultipliedAlpha===true)data.premultipliedAlpha=this.premultipliedAlpha;if(this.wireframe===true)data.wireframe=this.wireframe;if(this.wireframeLinewidth>1)data.wireframeLinewidth=this.wireframeLinewidth;if(this.wireframeLinecap!=='round')data.wireframeLinecap=this.wireframeLinecap;if(this.wireframeLinejoin!=='round')data.wireframeLinejoin=this.wireframeLinejoin;if(this.flatShading===true)data.flatShading=this.flatShading;if(this.visible===false)data.visible=false;if(this.toneMapped===false)data.toneMapped=false;if(this.fog===false)data.fog=false;if(JSON.stringify(this.userData)!=='{}')data.userData=this.userData;// TODO: Copied from Object3D.toJSON
383function extractFromCache(cache){var values=[];for(var key in cache){var _data2=cache[key];delete _data2.metadata;values.push(_data2);}return values;}if(isRootObject){var textures=extractFromCache(meta.textures);var images=extractFromCache(meta.images);if(textures.length>0)data.textures=textures;if(images.length>0)data.images=images;}return data;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"copy",value:function copy(source){this.name=source.name;this.blending=source.blending;this.side=source.side;this.vertexColors=source.vertexColors;this.opacity=source.opacity;this.transparent=source.transparent;this.blendSrc=source.blendSrc;this.blendDst=source.blendDst;this.blendEquation=source.blendEquation;this.blendSrcAlpha=source.blendSrcAlpha;this.blendDstAlpha=source.blendDstAlpha;this.blendEquationAlpha=source.blendEquationAlpha;this.depthFunc=source.depthFunc;this.depthTest=source.depthTest;this.depthWrite=source.depthWrite;this.stencilWriteMask=source.stencilWriteMask;this.stencilFunc=source.stencilFunc;this.stencilRef=source.stencilRef;this.stencilFuncMask=source.stencilFuncMask;this.stencilFail=source.stencilFail;this.stencilZFail=source.stencilZFail;this.stencilZPass=source.stencilZPass;this.stencilWrite=source.stencilWrite;var srcPlanes=source.clippingPlanes;var dstPlanes=null;if(srcPlanes!==null){var n=srcPlanes.length;dstPlanes=new Array(n);for(var i=0;i!==n;++i){dstPlanes[i]=srcPlanes[i].clone();}}this.clippingPlanes=dstPlanes;this.clipIntersection=source.clipIntersection;

383this.clipShadows=source.clipShadows;this.shadowSide=source.shadowSide;this.colorWrite=source.colorWrite;this.precision=source.precision;this.polygonOffset=source.polygonOffset;this.polygonOffsetFactor=source.polygonOffsetFactor;this.polygonOffsetUnits=source.polygonOffsetUnits;this.dithering=source.dithering;this.alphaTest=source.alphaTest;this.alphaToCoverage=source.alphaToCoverage;this.premultipliedAlpha=source.premultipliedAlpha;this.visible=source.visible;this.toneMapped=source.toneMapped;this.userData=JSON.parse(JSON.stringify(source.userData));return this;}},{key:"dispose",value:function dispose(){this.dispatchEvent({type:'dispose'});}},{key:"needsUpdate",set:function set(value){if(value===true)this.version++;}}]);return Material;}(EventDispatcher);var MeshBasicMaterial=/*#__PURE__*/function(_Material){_inherits(MeshBasicMaterial,_Material);var _super10=_createSuper(MeshBasicMaterial);function MeshBasicMaterial(parameters){var _this11;_classCallCheck(this,MeshBasicMaterial);_this11=_super10.call(this);_this11.isMeshBasicMaterial=true;_this11.type='MeshBasicMaterial';_this11.color=new Color(0xffffff);// emissive
384_this11.map=null;_this11.lightMap=null;_this11.lightMapIntensity=1.0;_this11.aoMap=null;_this11.aoMapIntensity=1.0;_this11.specularMap=null;_this11.alphaMap=null;_this11.envMap=null;_this11.combine=MultiplyOperation;_this11.reflectivity=1;_this11.refractionRatio=0.98;_this11.wireframe=false;_this11.wireframeLinewidth=1;_this11.wireframeLinecap='round';_this11.wireframeLinejoin='round';_this11.fog=true;_this11.setValues(parameters);return _this11;}_createClass(MeshBasicMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(MeshBasicMaterial.prototype),"copy",this).call(this,source);this.color.copy(source.color);this.map=source.map;this.lightMap=source.lightMap;this.lightMapIntensity=source.lightMapIntensity;this.aoMap=source.aoMap;this.aoMapIntensity=source.aoMapIntensity;this.specularMap=source.specularMap;this.alphaMap=source.alphaMap;this.envMap=source.envMap;this.combine=source.combine;this.reflectivity=source.reflectivity;this.refractionRatio=source.refractionRatio;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.wireframeLinecap=source.wireframeLinecap;this.wireframeLinejoin=source.wireframeLinejoin;this.fog=source.fog;return this;}}]);return MeshBasicMaterial;}(Material);var _vector$9=/*@__PURE__*/new Vector3();var _vector2$1=/*@__PURE__*/new Vector2();var BufferAttribute=/*#__PURE__*/function(){function BufferAttribute(array,itemSize,normalized){_classCallCheck(this,BufferAttribute);if(Array.isArray(array)){throw new TypeError('THREE.BufferAttribute: array should be a Typed Array.');}this.isBufferAttribute=true;this.name='';this.array=array;this.itemSize=itemSize;this.count=array!==undefined?array.length/itemSize:0;this.normalized=normalized===true;this.usage=StaticDrawUsage;this.updateRange={offset:0,count:-1};this.version=0;}_createClass(BufferAttribute,[{key:"onUploadCallback",value:function onUploadCallback(){}},{key:"needsUpdate",set:function set(value){if(value===true)this.version++;}},{key:"setUsage",value:function setUsage(value){this.usage=value;return this;}},{key:"copy",value:function copy(source){this.name=source.name;this.array=new source.array.constructor(source.array);this.itemSize=source.itemSize;this.count=source.count;this.normalized=source.normalized;this.usage=source.usage;return this;}},{key:"copyAt",value:function copyAt(index1,attribute,index2){index1*=this.itemSize;index2*=attribute.itemSize;for(var i=0,l=this.itemSize;i<l;i++){this.array[index1+i]=attribute.array[index2+i];}return this;}},{key:"copyArray",value:function copyArray(array){this.array.set(array);return this;}},{key:"copyColorsArray",value:function copyColorsArray(colors){var array=this.array;var offset=0;for(var i=0,l=colors.length;i<l;i++){var color=colors[i];if(color===undefined){console.warn('THREE.BufferAttribute.copyColorsArray(): color is undefined',i);color=new Color();}array[offset++]=color.r;array[offset++]=color.g;array[offset++]=color.b;}return this;}},{key:"copyVector2sArray",value:function copyVector2sArray(vectors){var array=this.array;var offset=0;for(var i=0,l=vectors.length;i<l;i++){var vector=vectors[i];if(vector===undefined){console.warn('THREE.BufferAttribute.copyVector2sArray(): vector is undefined',i);vector=new Vector2();}array[offset++]=vector.x;array[offset++]=vector.y;}return this;}},{key:"copyVector3sArray",value:function copyVector3sArray(vectors){var array=this.array;var offset=0;for(var i=0,l=vectors.length;i<l;i++){var vector=vectors[i];if(vector===undefined){console.warn('THREE.BufferAttribute.copyVector3sArray(): vector is undefined',i);vector=new Vector3();}array[offset++]=vector.x;array[offset++]=vector.y;array[offset++]=vector.z;}return this;}},{key:"copyVector4sArray",value:function copyVector4sArray(vectors){var array=this.array;var offset=0;for(var i=0,l=vectors.length;i<l;i++){var vector=vectors[i];if(vector===undefined){console.warn('THREE.BufferAttribute.copyVector4sArray(): vector is undefined',i);vector=new Vector4();}array[offset++]=vector.x;array[offset++]=vector.y;array[offset++]=vector.z;array[offset++]=vector.w;}return this;}},{key:"applyMatrix3",value:function applyMatrix3(m){if(this.itemSize===2){for(var i=0,l=this.count;i<l;i++){_vector2$1.fromBufferAttribute(this,i);_vector2$1.applyMatrix3(m);this.setXY(i,_vector2$1.x,_vector2$1.y);}}else if(this.itemSize===3){for(var _i6=0,_l3=this.count;_i6<_l3;_i6++){_vector$9.fromBufferAttribute(this,_i6);_vector$9.applyMatrix3(m);this.setXYZ(_i6,_vector$9.x,_vector$9.y,_vector$9.z);}}return this;}},{key:"applyMatrix4",value:function applyMatrix4(m){for(var i=0,l=this.count;i<l;i++){_vector$9.fromBufferAttribute(this,i);_vector$9.applyMatrix4(m);this.setXYZ(i,_vector$9.x,_vector$9.y,_vector$9.z);}return this;}},{key:"applyNormalMatrix",value:function applyNormalMatrix(m){for(var i=0,l=this.count;i<l;i++){_vector$9.fromBufferAttribute(this,i);_vector$9.applyNormalMatrix(m);this.setXYZ(i,_vector$9.x,_vector$9.y,_vector$9.z);}return this;}},{key:"transformDirection",value:function transformDirection(m){for(var i=0,l=this.count;i<l;i++){_vector$9.fromBufferAttribute(this,i);_vector$9.transformDirection(m);this.setXYZ(i,_vector$9.x,_vector$9.y,_vector$9.z);}return this;}},{key:"set",value:function set(value){var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;this.array.set(value,offset);return this;}},{key:"getX",value:function getX(index){return this.array[index*this.itemSize];}},{key:"setX",value:function setX(index,x){this.array[index*this.itemSize]=x;return this;}},{key:"getY",value:function getY(index){return this.array[index*this.itemSize+1];}},{key:"setY",value:function setY(index,y){this.array[index*this.itemSize+1]=y;return this;}},{key:"getZ",value:function getZ(index){return this.array[index*this.itemSize+2];}},{key:"setZ",value:function setZ(index,z){this.array[index*this.itemSize+2]=z;return this;}},{key:"getW",value:function getW(index){return this.array[index*this.itemSize+3];}},{key:"setW",value:function setW(index,w){this.array[index*this.itemSize+3]=w;return this;}},{key:"setXY",value:function setXY(index,x,y){index*=this.itemSize;this.array[index+0]=x;this.array[index+1]=y;return this;}},{key:"setXYZ",value:function setXYZ(index,x,y,z){index*=this.itemSize;this.array[index+0]=x;this.array[index+1]=y;this.array[index+2]=z;return this;}},{key:"setXYZW",value:function setXYZW(index,x,y,z,w){index*=this.itemSize;this.array[index+0]=x;this.array[index+1]=y;this.array[index+2]=z;this.array[index+3]=w;return this;}},{key:"onUpload",value:function onUpload(callback){this.onUploadCallback=callback;return this;}},{key:"clone",value:function clone(){return new this.constructor(this.array,this.itemSize).copy(this);}},{key:"toJSON",value:function toJSON(){var data={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};if(this.name!=='')data.name=this.name;if(this.usage!==StaticDrawUsage)data.usage=this.usage;if(this.updateRange.offset!==0||this.updateRange.count!==-1)data.updateRange=this.updateRange;return data;}}]);return BufferAttribute;}();//
385var Int8BufferAttribute=/*#__PURE__*/function(_BufferAttribute){_inherits(Int8BufferAttribute,_BufferAttribute);var _super11=_createSuper(Int8BufferAttribute);function Int8BufferAttribute(array,itemSize,normalized){_classCallCheck(this,Int8BufferAttribute);return _super11.call(this,new Int8Array(array),itemSize,normalized);}return _createClass(Int8BufferAttribute);}(BufferAttribute);var Uint8BufferAttribute=/*#__PURE__*/function(_BufferAttribute2){_inherits(Uint8BufferAttribute,_BufferAttribute2);var _super12=_createSuper(Uint8BufferAttribute);function Uint8BufferAttribute(array,itemSize,normalized){_classCallCheck(this,Uint8BufferAttribute);return _super12.call(this,new Uint8Array(array),itemSize,normalized);}return _createClass(Uint8BufferAttribute);}(BufferAttribute);var Uint8ClampedBufferAttribute=/*#__PURE__*/function(_BufferAttribute3){_inherits(Uint8ClampedBufferAttribute,_BufferAttribute3);var _super13=_createSuper(Uint8ClampedBufferAttribute);function Uint8ClampedBufferAttribute(array,itemSize,normalized){_classCallCheck(this,Uint8ClampedBufferAttribute);return _super13.call(this,new Uint8ClampedArray(array),itemSize,normalized);}return _createClass(Uint8ClampedBufferAttribute);}(BufferAttribute);var Int16BufferAttribute=/*#__PURE__*/function(_BufferAttribute4){_inherits(Int16BufferAttribute,_BufferAttribute4);var _super14=_createSuper(Int16BufferAttribute);function Int16BufferAttribute(array,itemSize,normalized){_classCallCheck(this,Int16BufferAttribute);return _super14.call(this,new Int16Array(array),itemSize,normalized);}return _createClass(Int16BufferAttribute);}(BufferAttribute);var Uint16BufferAttribute=/*#__PURE__*/function(_BufferAttribute5){_inherits(Uint16BufferAttribute,_BufferAttribute5);var _super15=_createSuper(Uint16BufferAttribute);function Uint16BufferAttribute(array,itemSize,normalized){_classCallCheck(this,Uint16BufferAttribute);return _super15.call(this,new Uint16Array(array),itemSize,normalized);}return _createClass(Uint16BufferAttribute);}(BufferAttribute);var Int32BufferAttribute=/*#__PURE__*/function(_BufferAttribute6){_inherits(Int32BufferAttribute,_BufferAttribute6);var _super16=_createSuper(Int32BufferAttribute);function Int32BufferAttribute(array,itemSize,normalized){_classCallCheck(this,Int32BufferAttribute);return _super16.call(this,new Int32Array(array),itemSize,normalized);}return _createClass(Int32BufferAttribute);}(BufferAttribute);var Uint32BufferAttribute=/*#__PURE__*/function(_BufferAttribute7){_inherits(Uint32BufferAttribute,_BufferAttribute7);var _super17=_createSuper(Uint32BufferAttribute);function Uint32BufferAttribute(array,itemSize,normalized){_classCallCheck(this,Uint32BufferAttribute);return _super17.call(this,new Uint32Array(array),itemSize,normalized);}return _createClass(Uint32BufferAttribute);}(BufferAttribute);var Float16BufferAttribute=/*#__PURE__*/function(_BufferAttribute8){_inherits(Float16BufferAttribute,_BufferAttribute8);var _super18=_createSuper(Float16BufferAttribute);function Float16BufferAttribute(array,itemSize,normalized){var _this12;_classCallCheck(this,Float16BufferAttribute);_this12=_super18.call(this,new Uint16Array(array),itemSize,normalized);_this12.isFloat16BufferAttribute=true;return _this12;}return _createClass(Float16BufferAttribute);}(BufferAttribute);var Float32BufferAttribute=/*#__PURE__*/function(_BufferAttribute9){_inherits(Float32BufferAttribute,_BufferAttribute9);var _super19=_createSuper(Float32BufferAttribute);function Float32BufferAttribute(array,itemSize,normalized){_classCallCheck(this,Float32BufferAttribute);return _super19.call(this,new Float32Array(array),itemSize,normalized);}return _createClass(Float32BufferAttribute);}(BufferAttribute);var Float64BufferAttribute=/*#__PURE__*/function(_BufferAttribute10){_inherits(Float64BufferAttribute,_BufferAttribute10);var _super20=_createSuper(Float64BufferAttribute);function Float64BufferAttribute(array,itemSize,normalized){_classCallCheck(this,Float64BufferAttribute);return _super20.call(this,new Float64Array(array),itemSize,normalized);}return _createClass(Float64BufferAttribute);}(BufferAttribute);//
386var _id$1=0;var _m1=/*@__PURE__*/new Matrix4();var _obj=/*@__PURE__*/new Object3D();var _offset=/*@__PURE__*/new Vector3();var _box$1=/*@__PURE__*/new Box3();var _boxMorphTargets=/*@__PURE__*/new Box3();var _vector$8=/*@__PURE__*/new Vector3();var BufferGeometry=/*#__PURE__*/function(_EventDispatcher5){_inherits(BufferGeometry,_EventDispatcher5);var _super21=_createSuper(BufferGeometry);function BufferGeometry(){var _this13;_classCallCheck(this,BufferGeometry);_this13=_super21.call(this);_this13.isBufferGeometry=true;

386Object.defineProperty(_assertThisInitialized(_this13),'id',{value:_id$1++});_this13.uuid=generateUUID();_this13.name='';_this13.type='BufferGeometry';_this13.index=null;_this13.attributes={};_this13.morphAttributes={};_this13.morphTargetsRelative=false;_this13.groups=[];_this13.boundingBox=null;_this13.boundingSphere=null;_this13.drawRange={start:0,count:Infinity};_this13.userData={};return _this13;}_createClass(BufferGeometry,[{key:"getIndex",value:function getIndex(){return this.index;}},{key:"setIndex",value:function setIndex(index){if(Array.isArray(index)){this.index=new(arrayNeedsUint32(index)?Uint32BufferAttribute:Uint16BufferAttribute)(index,1);}else{this.index=index;}return this;}},{key:"getAttribute",value:function getAttribute(name){return this.attributes[name];}},{key:"setAttribute",value:function setAttribute(name,attribute){this.attributes[name]=attribute;return this;}},{key:"deleteAttribute",value:function deleteAttribute(name){delete this.attributes[name];return this;}},{key:"hasAttribute",value:function hasAttribute(name){return this.attributes[name]!==undefined;}},{key:"addGroup",value:function addGroup(start,count){var materialIndex=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;this.groups.push({start:start,count:count,materialIndex:materialIndex});}},{key:"clearGroups",value:function clearGroups(){this.groups=[];}},{key:"setDrawRange",value:function setDrawRange(start,count){this.drawRange.start=start;this.drawRange.count=count;}},{key:"applyMatrix4",value:function applyMatrix4(matrix){var position=this.attributes.position;if(position!==undefined){position.applyMatrix4(matrix);position.needsUpdate=true;}var normal=this.attributes.normal;if(normal!==undefined){var normalMatrix=new Matrix3().getNormalMatrix(matrix);normal.applyNormalMatrix(normalMatrix);normal.needsUpdate=true;}var tangent=this.attributes.tangent;if(tangent!==undefined){tangent.transformDirection(matrix);tangent.needsUpdate=true;}if(this.boundingBox!==null){this.computeBoundingBox();}if(this.boundingSphere!==null){this.computeBoundingSphere();}return this;}},{key:"applyQuaternion",value:function applyQuaternion(q){_m1.makeRotationFromQuaternion(q);this.applyMatrix4(_m1);return this;}},{key:"rotateX",value:function rotateX(angle){// rotate geometry around world x-axis
387_m1.makeRotationX(angle);this.applyMatrix4(_m1);return this;}},{key:"rotateY",value:function rotateY(angle){// rotate geometry around world y-axis
388_m1.makeRotationY(angle);this.applyMatrix4(_m1);return this;}},{key:"rotateZ",value:function rotateZ(angle){// rotate geometry around world z-axis
389_m1.makeRotationZ(angle);this.applyMatrix4(_m1);return this;}},{key:"translate",value:function translate(x,y,z){// translate geometry
390_m1.makeTranslation(x,y,z);this.applyMatrix4(_m1);return this;}},{key:"scale",value:function scale(x,y,z){// scale geometry
391_m1.makeScale(x,y,z);this.applyMatrix4(_m1);return this;}},{key:"lookAt",value:function lookAt(vector){_obj.lookAt(vector);_obj.updateMatrix();this.applyMatrix4(_obj.matrix);return this;}},{key:"center",value:function center(){this.computeBoundingBox();this.boundingBox.getCenter(_offset).negate();this.translate(_offset.x,_offset.y,_offset.z);return this;}},{key:"setFromPoints",value:function setFromPoints(points){var position=[];for(var i=0,l=points.length;i<l;i++){var point=points[i];position.push(point.x,point.y,point.z||0);}this.setAttribute('position',new Float32BufferAttribute(position,3));return this;}},{key:"computeBoundingBox",value:function computeBoundingBox(){if(this.boundingBox===null){this.boundingBox=new Box3();}var position=this.attributes.position;var morphAttributesPosition=this.morphAttributes.position;if(position&&position.isGLBufferAttribute){console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "fal

391se".',this);this.boundingBox.set(new Vector3(-Infinity,-Infinity,-Infinity),new Vector3(+Infinity,+Infinity,+Infinity));return;}if(position!==undefined){this.boundingBox.setFromBufferAttribute(position);// process morph attributes if present
392if(morphAttributesPosition){for(var i=0,il=morphAttributesPosition.length;i<il;i++){var morphAttribute=morphAttributesPosition[i];_box$1.setFromBufferAttribute(morphAttribute);if(this.morphTargetsRelative){_vector$8.addVectors(this.boundingBox.min,_box$1.min);this.boundingBox.expandByPoint(_vector$8);_vector$8.addVectors(this.boundingBox.max,_box$1.max);this.boundingBox.expandByPoint(_vector$8);}else{this.boundingBox.expandByPoint(_box$1.min);this.boundingBox.expandByPoint(_box$1.max);}}}}else{this.boundingBox.makeEmpty();}if(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z)){console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this);}}},{key:"computeBoundingSphere",value:function computeBoundingSphere(){if(this.boundingSphere===null){this.boundingSphere=new Sphere();}var position=this.attributes.position;var morphAttributesPosition=this.morphAttributes.position;if(position&&position.isGLBufferAttribute){console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "fal

392se".',this);this.boundingSphere.set(new Vector3(),Infinity);return;}if(position){// first, find the center of the bounding sphere
393var center=this.boundingSphere.center;_box$1.setFromBufferAttribute(position);// process morph attributes if present
394if(morphAttributesPosition){for(var i=0,il=morphAttributesPosition.length;i<il;i++){var morphAttribute=morphAttributesPosition[i];_boxMorphTargets.setFromBufferAttribute(morphAttribute);if(this.morphTargetsRelative){_vector$8.addVectors(_box$1.min,_boxMorphTargets.min);_box$1.expandByPoint(_vector$8);_vector$8.addVectors(_box$1.max,_boxMorphTargets.max);_box$1.expandByPoint(_vector$8);}else{_box$1.expandByPoint(_boxMorphTargets.min);_box$1.expandByPoint(_boxMorphTargets.max);}}}_box$1.getCenter(center);// second, try to find a boundingSphere with a radius smaller than the
395// boundingSphere of the boundingBox: sqrt(3) smaller in the best case
396var maxRadiusSq=0;for(var _i7=0,_il=position.count;_i7<_il;_i7++){_vector$8.fromBufferAttribute(position,_i7);maxRadiusSq=Math.max(maxRadiusSq,center.distanceToSquared(_vector$8));}// process morph attributes if present
397if(morphAttributesPosition){for(var _i8=0,_il2=morphAttributesPosition.length;_i8<_il2;_i8++){var _morphAttribute=morphAttributesPosition[_i8];var morphTargetsRelative=this.morphTargetsRelative;for(var j=0,jl=_morphAttribute.count;j<jl;j++){_vector$8.fromBufferAttribute(_morphAttribute,j);if(morphTargetsRelative){_offset.fromBufferAttribute(position,j);_vector$8.add(_offset);}maxRadiusSq=Math.max(maxRadiusSq,center.distanceToSquared(_vector$8));}}}this.boundingSphere.radius=Math.sqrt(maxRadiusSq);if(isNaN(this.boundingSphere.radius)){console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this);}}}},{key:"computeTangents",value:function computeTangents(){var index=this.index;var attributes=this.attributes;// based on http://www.terathon.com/code/tangent.html
398// (per vertex tangents)
399if(index===null||attributes.position===undefined||attributes.normal===undefined||attributes.uv===undefined){console.error('THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)');return;}var indices=index.array;var positions=attributes.position.array;var normals=attributes.normal.array;var uvs=attributes.uv.array;var nVertices=positions.length/3;if(this.hasAttribute('tangent')===false){this.setAttribute('tangent',new BufferAttribute(new Float32Array(4*nVertices),4));}var tangents=this.getAttribute('tangent').array;var tan1=[],tan2=[];for(var i=0;i<nVertices;i++){tan1[i]=new Vector3();tan2[i]=new Vector3();}var vA=new Vector3(),vB=new Vector3(),vC=new Vector3(),uvA=new Vector2(),uvB=new Vector2(),uvC=new Vector2(),sdir=new Vector3(),tdir=new Vector3();function handleTriangle(a,b,c){vA.fromArray(positions,a*3);vB.fromArray(positions,b*3);vC.fromArray(positions,c*3);uvA.fromArray(uvs,a*2);uvB.fromArray(uvs,b*2);uvC.fromArray(uvs,c*2);vB.sub(vA);vC.sub(vA);uvB.sub(uvA);uvC.sub(uvA);var r=1.0/(uvB.x*uvC.y-uvC.x*uvB.y);// silently ignore degenerate uv triangles having coincident or colinear vertices
400if(!isFinite(r))return;sdir.copy(vB).multiplyScalar(uvC.y).addScaledVector(vC,-uvB.y).multiplyScalar(r);tdir.copy(vC).multiplyScalar(uvB.x).addScaledVector(vB,-uvC.x).multiplyScalar(r);tan1[a].add(sdir);tan1[b].add(sdir);tan1[c].add(sdir);tan2[a].add(tdir);tan2[b].add(tdir);tan2[c].add(tdir);}var groups=this.groups;if(groups.length===0){groups=[{start:0,count:indices.length}];}for(var _i9=0,il=groups.length;_i9<il;++_i9){var group=groups[_i9];var start=group.start;var count=group.count;for(var j=start,jl=start+count;j<jl;j+=3){handleTriangle(indices[j+0],indices[j+1],indices[j+2]);}}var tmp=new Vector3(),tmp2=new Vector3();var n=new Vector3(),n2=new Vector3();function handleVertex(v){n.fromArray(normals,v*3);n2.copy(n);var t=tan1[v];// Gram-Schmidt orthogonalize
401tmp.copy(t);tmp.sub(n.multiplyScalar(n.dot(t))).normalize();// Calculate handedness
402tmp2.crossVectors(n2,t);var test=tmp2.dot(tan2[v]);var w=test<0.0?-1.0:1.0;tangents[v*4]=tmp.x;tangents[v*4+1]=tmp.y;tangents[v*4+2]=tmp.z;tangents[v*4+3]=w;}for(var _i10=0,_il3=groups.length;_i10<_il3;++_i10){var _group=groups[_i10];var _start2=_group.start;var _count=_group.count;for(var _j=_start2,_jl=_start2+_count;_j<_jl;_j+=3){handleVertex(indices[_j+0]);handleVertex(indices[_j+1]);handleVertex(indices[_j+2]);}}}},{key:"computeVertexNormals",value:function computeVertexNormals(){var index=this.index;var positionAttribute=this.getAttribute('position');if(positionAttribute!==undefined){var normalAttribute=this.getAttribute('normal');if(normalAttribute===undefined){normalAttribute=new BufferAttribute(new Float32Array(positionAttribute.count*3),3);this.setAttribute('normal',normalAttribute);}else{// reset existing normals to zero
403for(var i=0,il=normalAttribute.count;i<il;i++){normalAttribute.setXYZ(i,0,0,0);}}var pA=new Vector3(),pB=new Vector3(),pC=new Vector3();var nA=new Vector3(),nB=new Vector3(),nC=new Vector3();var cb=new Vector3(),ab=new Vector3();// indexed elements
404if(index){for(var _i11=0,_il4=index.count;_i11<_il4;_i11+=3){var vA=index.getX(_i11+0);var vB=index.getX(_i11+1);var vC=index.getX(_i11+2);pA.fromBufferAttribute(positionAttribute,vA);pB.fromBufferAttribute(positionAttribute,vB);pC.fromBufferAttribute(positionAttribute,vC);cb.subVectors(pC,pB);ab.subVectors(pA,pB);cb.cross(ab);nA.fromBufferAttribute(normalAttribute,vA);nB.fromBufferAttribute(normalAttribute,vB);nC.fromBufferAttribute(normalAttribute,vC);nA.add(cb);nB.add(cb);nC.add(cb);normalAttribute.setXYZ(vA,nA.x,nA.y,nA.z);normalAttribute.setXYZ(vB,nB.x,nB.y,nB.z);normalAttribute.setXYZ(vC,nC.x,nC.y,nC.z);}}else{// non-indexed elements (unconnected triangle soup)
405for(var _i12=0,_il5=positionAttribute.count;_i12<_il5;_i12+=3){pA.fromBufferAttribute(positionAttribute,_i12+0);pB.fromBufferAttribute(positionAttribute,_i12+1);pC.fromBufferAttribute(positionAttribute,_i12+2);cb.subVectors(pC,pB);ab.subVectors(pA,pB);cb.cross(ab);normalAttribute.setXYZ(_i12+0,cb.x,cb.y,cb.z);normalAttribute.setXYZ(_i12+1,cb.x,cb.y,cb.z);normalAttribute.setXYZ(_i12+2,cb.x,cb.y,cb.z);}}this.normalizeNormals();normalAttribute.needsUpdate=true;}}},{key:"merge",value:function merge(geometry,offset){if(!(geometry&&geometry.isBufferGeometry)){console.error('THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.',geometry);return;}if(offset===undefined){offset=0;console.warn('THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. '+'Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge.');}var attributes=this.attributes;

405for(var key in attributes){if(geometry.attributes[key]===undefined)continue;var attribute1=attributes[key];var attributeArray1=attribute1.array;var attribute2=geometry.attributes[key];var attributeArray2=attribute2.array;var attributeOffset=attribute2.itemSize*offset;var length=Math.min(attributeArray2.length,attributeArray1.length-attributeOffset);for(var i=0,j=attributeOffset;i<length;i++,j++){attributeArray1[j]=attributeArray2[i];}}return this;}},{key:"normalizeNormals",value:function normalizeNormals(){var normals=this.attributes.normal;for(var i=0,il=normals.count;i<il;i++){_vector$8.fromBufferAttribute(normals,i);_vector$8.normalize();normals.setXYZ(i,_vector$8.x,_vector$8.y,_vector$8.z);}}},{key:"toNonIndexed",value:function toNonIndexed(){function convertBufferAttribute(attribute,indices){var array=attribute.array;var itemSize=attribute.itemSize;var normalized=attribute.normalized;var array2=new array.constructor(indices.length*itemSize);var index=0,index2=0;for(var i=0,l=indices.length;i<l;i++){if(attribute.isInterleavedBufferAttribute){index=indices[i]*attribute.data.stride+attribute.offset;}else{index=indices[i]*itemSize;}for(var j=0;j<itemSize;j++){array2[index2++]=array[index++];}}return new BufferAttribute(array2,itemSize,normalized);}//
406if(this.index===null){console.warn('THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.');return this;}var geometry2=new BufferGeometry();var indices=this.index.array;var attributes=this.attributes;// attributes
407for(var name in attributes){var attribute=attributes[name];var newAttribute=convertBufferAttribute(attribute,indices);geometry2.setAttribute(name,newAttribute);}// morph attributes
408var morphAttributes=this.morphAttributes;for(var _name in morphAttributes){var morphArray=[];var morphAttribute=morphAttributes[_name];// morphAttribute: array of Float32BufferAttributes
409for(var i=0,il=morphAttribute.length;i<il;i++){var _attribute=morphAttribute[i];var _newAttribute=convertBufferAttribute(_attribute,indices);morphArray.push(_newAttribute);}geometry2.morphAttributes[_name]=morphArray;}geometry2.morphTargetsRelative=this.morphTargetsRelative;// groups
410var groups=this.groups;for(var _i13=0,l=groups.length;_i13<l;_i13++){var group=groups[_i13];geometry2.addGroup(group.start,group.count,group.materialIndex);}return geometry2;}},{key:"toJSON",value:function toJSON(){var data={metadata:{version:4.5,type:'BufferGeometry',generator:'BufferGeometry.toJSON'}};// standard BufferGeometry serialization
411data.uuid=this.uuid;

411data.type=this.type;if(this.name!=='')data.name=this.name;if(Object.keys(this.userData).length>0)data.userData=this.userData;if(this.parameters!==undefined){var parameters=this.parameters;for(var key in parameters){if(parameters[key]!==undefined)data[key]=parameters[key];}return data;}// for simplicity the code assumes attributes are not shared across geometries, see #15811
412data.data={attributes:{}};var index=this.index;if(index!==null){data.data.index={type:index.array.constructor.name,array:Array.prototype.slice.call(index.array)};}var attributes=this.attributes;for(var _key in attributes){var attribute=attributes[_key];data.data.attributes[_key]=attribute.toJSON(data.data);}var morphAttributes={};var hasMorphAttributes=false;for(var _key2 in this.morphAttributes){var attributeArray=this.morphAttributes[_key2];var array=[];for(var i=0,il=attributeArray.length;i<il;i++){var _attribute2=attributeArray[i];array.push(_attribute2.toJSON(data.data));}if(array.length>0){morphAttributes[_key2]=array;hasMorphAttributes=true;}}if(hasMorphAttributes){data.data.morphAttributes=morphAttributes;data.data.morphTargetsRelative=this.morphTargetsRelative;}var groups=this.groups;if(groups.length>0){data.data.groups=JSON.parse(JSON.stringify(groups));}var boundingSphere=this.boundingSphere;if(boundingSphere!==null){data.data.boundingSphere={center:boundingSphere.center.toArray(),radius:boundingSphere.radius};}return data;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"copy",value:function copy(source){// reset
413this.index=null;this.attributes={};this.morphAttributes={};this.groups=[];this.boundingBox=null;this.boundingSphere=null;// used for storing cloned, shared data
414var data={};// name
415this.name=source.name;// index
416var index=source.index;if(index!==null){this.setIndex(index.clone(data));}// attributes
417var attributes=source.attributes;for(var name in attributes){var attribute=attributes[name];this.setAttribute(name,attribute.clone(data));}// morph attributes
418var morphAttributes=source.morphAttributes;for(var _name2 in morphAttributes){var array=[];var morphAttribute=morphAttributes[_name2];// morphAttribute: array of Float32BufferAttributes
419for(var i=0,l=morphAttribute.length;i<l;i++){array.push(morphAttribute[i].clone(data));}this.morphAttributes[_name2]=array;}this.morphTargetsRelative=source.morphTargetsRelative;// groups
420var groups=source.groups;for(var _i14=0,_l4=groups.length;_i14<_l4;_i14++){var group=groups[_i14];this.addGroup(group.start,group.count,group.materialIndex);}// bounding box
421var boundingBox=source.boundingBox;if(boundingBox!==null){this.boundingBox=boundingBox.clone();}// bounding sphere
422var boundingSphere=source.boundingSphere;if(boundingSphere!==null){this.boundingSphere=boundingSphere.clone();}// draw range
423this.drawRange.start=source.drawRange.start;this.drawRange.count=source.drawRange.count;// user data
424this.userData=source.userData;// geometry generator parameters
425if(source.parameters!==undefined)this.parameters=Object.assign({},source.parameters);return this;}},{key:"dispose",value:function dispose(){this.dispatchEvent({type:'dispose'});}}]);return BufferGeometry;}(EventDispatcher);var _inverseMatrix$2=/*@__PURE__*/new Matrix4();var _ray$2=/*@__PURE__*/new Ray();var _sphere$3=/*@__PURE__*/new Sphere();var _vA$1=/*@__PURE__*/new Vector3();var _vB$1=/*@__PURE__*/new Vector3();var _vC$1=/*@__PURE__*/new Vector3();var _tempA=/*@__PURE__*/new Vector3();var _tempB=/*@__PURE__*/new Vector3();var _tempC=/*@__PURE__*/new Vector3();var _morphA=/*@__PURE__*/new Vector3();var _morphB=/*@__PURE__*/new Vector3();var _morphC=/*@__PURE__*/new Vector3();var _uvA$1=/*@__PURE__*/new Vector2();var _uvB$1=/*@__PURE__*/new Vector2();var _uvC$1=/*@__PURE__*/new Vector2();var _intersectionPoint=/*@__PURE__*/new Vector3();var _intersectionPointWorld=/*@__PURE__*/new Vector3();var Mesh=/*#__PURE__*/function(_Object3D){_inherits(Mesh,_Object3D);var _super22=_createSuper(Mesh);function Mesh(){var _this14;var geometry=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new BufferGeometry();var material=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new MeshBasicMaterial();_classCallCheck(this,Mesh);_this14=_super22.call(this);_this14.isMesh=true;_this14.type='Mesh';_this14.geometry=geometry;_this14.material=material;_this14.updateMorphTargets();return _this14;}

425_createClass(Mesh,[{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(Mesh.prototype),"copy",this).call(this,source,recursive);if(source.morphTargetInfluences!==undefined){this.morphTargetInfluences=source.morphTargetInfluences.slice();}if(source.morphTargetDictionary!==undefined){this.morphTargetDictionary=Object.assign({},source.morphTargetDictionary);}this.material=source.material;this.geometry=source.geometry;return this;}},{key:"updateMorphTargets",value:function updateMorphTargets(){var geometry=this.geometry;var morphAttributes=geometry.morphAttributes;var keys=Object.keys(morphAttributes);if(keys.length>0){var morphAttribute=morphAttributes[keys[0]];if(morphAttribute!==undefined){this.morphTargetInfluences=[];this.morphTargetDictionary={};for(var m=0,ml=morphAttribute.length;m<ml;m++){var name=morphAttribute[m].name||String(m);this.morphTargetInfluences.push(0);this.morphTargetDictionary[name]=m;}}}}},{key:"raycast",value:function raycast(raycaster,intersects){var geometry=this.geometry;var material=this.material;var matrixWorld=this.matrixWorld;if(material===undefined)return;// Checking boundingSphere distance to ray
426if(geometry.boundingSphere===null)geometry.computeBoundingSphere();_sphere$3.copy(geometry.boundingSphere);_sphere$3.applyMatrix4(matrixWorld);if(raycaster.ray.intersectsSphere(_sphere$3)===false)return;//
427_inverseMatrix$2.copy(matrixWorld).invert();_ray$2.copy(raycaster.ray).applyMatrix4(_inverseMatrix$2);// Check boundingBox before continuing
428if(geometry.boundingBox!==null){if(_ray$2.intersectsBox(geometry.boundingBox)===false)return;}var intersection;var index=geometry.index;var position=geometry.attributes.position;var morphPosition=geometry.morphAttributes.position;var morphTargetsRelative=geometry.morphTargetsRelative;var uv=geometry.attributes.uv;var uv2=geometry.attributes.uv2;var groups=geometry.groups;var drawRange=geometry.drawRange;if(index!==null){// indexed buffer geometry
429if(Array.isArray(material)){for(var i=0,il=groups.length;i<il;i++){var group=groups[i];var groupMaterial=material[group.materialIndex];var start=Math.max(group.start,drawRange.start);var end=Math.min(index.count,Math.min(group.start+group.count,drawRange.start+drawRange.count));for(var j=start,jl=end;j<jl;j+=3){var a=index.getX(j);var b=index.getX(j+1);var c=index.getX(j+2);intersection=checkBufferGeometryIntersection(this,groupMaterial,raycaster,_ray$2,position,morphPosition,morphTargetsRelative,uv,uv2,a,b,c);if(intersection){intersection.faceIndex=Math.floor(j/3);// triangle number in indexed buffer semantics
430intersection.face.materialIndex=group.materialIndex;intersects.push(intersection);}}}}else{var _start3=Math.max(0,drawRange.start);var _end2=Math.min(index.count,drawRange.start+drawRange.count);for(var _i15=_start3,_il6=_end2;_i15<_il6;_i15+=3){var _a=index.getX(_i15);var _b=index.getX(_i15+1);var _c=index.getX(_i15+2);intersection=checkBufferGeometryIntersection(this,material,raycaster,_ray$2,position,morphPosition,morphTargetsRelative,uv,uv2,_a,_b,_c);if(intersection){intersection.faceIndex=Math.floor(_i15/3);// triangle number in indexed buffer semantics
431intersects.push(intersection);}}}}else if(position!==undefined){// non-indexed buffer geometry
432if(Array.isArray(material)){for(var _i16=0,_il7=groups.length;_i16<_il7;_i16++){var _group2=groups[_i16];var _groupMaterial=material[_group2.materialIndex];var _start4=Math.max(_group2.start,drawRange.start);var _end3=Math.min(position.count,Math.min(_group2.start+_group2.count,drawRange.start+drawRange.count));for(var _j2=_start4,_jl2=_end3;_j2<_jl2;_j2+=3){var _a2=_j2;var _b2=_j2+1;var _c2=_j2+2;intersection=checkBufferGeometryIntersection(this,_groupMaterial,raycaster,_ray$2,position,morphPosition,morphTargetsRelative,uv,uv2,_a2,_b2,_c2);if(intersection){intersection.faceIndex=Math.floor(_j2/3);// triangle number in non-indexed buffer semantics
433intersection.face.materialIndex=_group2.materialIndex;intersects.push(intersection);}}}}else{var _start5=Math.max(0,drawRange.start);var _end4=Math.min(position.count,drawRange.start+drawRange.count);for(var _i17=_start5,_il8=_end4;_i17<_il8;_i17+=3){var _a3=_i17;var _b3=_i17+1;var _c3=_i17+2;intersection=checkBufferGeometryIntersection(this,material,raycaster,_ray$2,position,morphPosition,morphTargetsRelative,uv,uv2,_a3,_b3,_c3);

433if(intersection){intersection.faceIndex=Math.floor(_i17/3);// triangle number in non-indexed buffer semantics
434intersects.push(intersection);}}}}}}]);return Mesh;}(Object3D);function checkIntersection(object,material,raycaster,ray,pA,pB,pC,point){var intersect;if(material.side===BackSide){intersect=ray.intersectTriangle(pC,pB,pA,true,point);}else{intersect=ray.intersectTriangle(pA,pB,pC,material.side!==DoubleSide,point);}if(intersect===null)return null;_intersectionPointWorld.copy(point);_intersectionPointWorld.applyMatrix4(object.matrixWorld);var distance=raycaster.ray.origin.distanceTo(_intersectionPointWorld);if(distance<raycaster.near||distance>raycaster.far)return null;return{distance:distance,point:_intersectionPointWorld.clone(),object:object};}function checkBufferGeometryIntersection(object,material,raycaster,ray,position,morphPosition,morphTargetsRelative,uv,uv2,a,b,c){_vA$1.fromBufferAttribute(position,a);_vB$1.fromBufferAttribute(position,b);_vC$1.fromBufferAttribute(position,c);var morphInfluences=object.morphTargetInfluences;if(morphPosition&&morphInfluences){_morphA.set(0,0,0);_morphB.set(0,0,0);_morphC.set(0,0,0);for(var i=0,il=morphPosition.length;i<il;i++){var influence=morphInfluences[i];var morphAttribute=morphPosition[i];if(influence===0)continue;_tempA.fromBufferAttribute(morphAttribute,a);_tempB.fromBufferAttribute(morphAttribute,b);_tempC.fromBufferAttribute(morphAttribute,c);if(morphTargetsRelative){_morphA.addScaledVector(_tempA,influence);_morphB.addScaledVector(_tempB,influence);_morphC.addScaledVector(_tempC,influence);}else{_morphA.addScaledVector(_tempA.sub(_vA$1),influence);_morphB.addScaledVector(_tempB.sub(_vB$1),influence);_morphC.addScaledVector(_tempC.sub(_vC$1),influence);}}_vA$1.add(_morphA);_vB$1.add(_morphB);_vC$1.add(_morphC);}if(object.isSkinnedMesh){object.boneTransform(a,_vA$1);object.boneTransform(b,_vB$1);object.boneTransform(c,_vC$1);}var intersection=checkIntersection(object,material,raycaster,ray,_vA$1,_vB$1,_vC$1,_intersectionPoint);if(intersection){if(uv){_uvA$1.fromBufferAttribute(uv,a);_uvB$1.fromBufferAttribute(uv,b);_uvC$1.fromBufferAttribute(uv,c);intersection.uv=Triangle.getUV(_intersectionPoint,_vA$1,_vB$1,_vC$1,_uvA$1,_uvB$1,_uvC$1,new Vector2());}if(uv2){_uvA$1.fromBufferAttribute(uv2,a);_uvB$1.fromBufferAttribute(uv2,b);_uvC$1.fromBufferAttribute(uv2,c);intersection.uv2=Triangle.getUV(_intersectionPoint,_vA$1,_vB$1,_vC$1,_uvA$1,_uvB$1,_uvC$1,new Vector2());}var face={a:a,b:b,c:c,normal:new Vector3(),materialIndex:0};Triangle.getNormal(_vA$1,_vB$1,_vC$1,face.normal);intersection.face=face;}return intersection;}var BoxGeometry=/*#__PURE__*/function(_BufferGeometry){_inherits(BoxGeometry,_BufferGeometry);var _super23=_createSuper(BoxGeometry);function BoxGeometry(){var _this15;var width=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var height=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var depth=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;var widthSegments=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;var heightSegments=arguments.length>4&&arguments[4]!==undefined?arguments[4]:1;var depthSegments=arguments.length>5&&arguments[5]!==undefined?arguments[5]:1;_classCallCheck(this,BoxGeometry);_this15=_super23.call(this);_this15.type='BoxGeometry';_this15.parameters={width:width,height:height,depth:depth,widthSegments:widthSegments,heightSegments:heightSegments,depthSegments:depthSegments};var scope=_assertThisInitialized(_this15);// segments
435widthSegments=Math.floor(widthSegments);heightSegments=Math.floor(heightSegments);depthSegments=Math.floor(depthSegments);// buffers
436var indices=[];var vertices=[];var normals=[];var uvs=[];// helper variables
437var numberOfVertices=0;var groupStart=0;// build each side of the box geometry
438buildPlane('z','y','x',-1,-1,depth,height,width,depthSegments,heightSegments,0);// px
439buildPlane('z','y','x',1,-1,depth,height,-width,depthSegments,heightSegments,1);// nx
440buildPlane('x','z','y',1,1,width,depth,height,widthSegments,depthSegments,2);// py
441buildPlane('x','z','y',1,-1,width,depth,-height,widthSegments,depthSegments,3);// ny
442buildPlane('x','y','z',1,-1,width,height,depth,widthSegments,heightSegments,4);// pz
443buildPlane('x','y','z',-1,-1,width,height,-depth,widthSegments,heightSegments,5);// nz
444// build geometry
445_this15.setIndex(indices);_this15.setAttribute('position',new Float32BufferAttribute(vertices,3));_this15.setAttribute('normal',new Float32BufferAttribute(normals,3));_this15.setAttribute('uv',new Float32BufferAttribute(uvs,2));function buildPlane(u,v,w,udir,vdir,width,height,depth,gridX,gridY,materialIndex){var segmentWidth=width/gridX;var segmentHeight=height/gridY;var widthHalf=width/2;var heightHalf=height/2;

445var depthHalf=depth/2;var gridX1=gridX+1;var gridY1=gridY+1;var vertexCounter=0;var groupCount=0;var vector=new Vector3();// generate vertices, normals and uvs
446for(var iy=0;iy<gridY1;iy++){var y=iy*segmentHeight-heightHalf;for(var ix=0;ix<gridX1;ix++){var x=ix*segmentWidth-widthHalf;// set values to correct vector component
447vector[u]=x*udir;vector[v]=y*vdir;vector[w]=depthHalf;// now apply vector to vertex buffer
448vertices.push(vector.x,vector.y,vector.z);// set values to correct vector component
449vector[u]=0;vector[v]=0;vector[w]=depth>0?1:-1;// now apply vector to normal buffer
450normals.push(vector.x,vector.y,vector.z);// uvs
451uvs.push(ix/gridX);uvs.push(1-iy/gridY);// counters
452vertexCounter+=1;}}// indices
453// 1. you need three indices to draw a single face
454// 2. a single segment consists of two faces
455// 3. so we need to generate six (2*3) indices per segment
456for(var _iy=0;_iy<gridY;_iy++){for(var _ix=0;_ix<gridX;_ix++){var a=numberOfVertices+_ix+gridX1*_iy;var b=numberOfVertices+_ix+gridX1*(_iy+1);var c=numberOfVertices+(_ix+1)+gridX1*(_iy+1);var d=numberOfVertices+(_ix+1)+gridX1*_iy;// faces
457indices.push(a,b,d);indices.push(b,c,d);// increase counter
458groupCount+=6;}}// add a group to the geometry. this will ensure multi material support
459scope.addGroup(groupStart,groupCount,materialIndex);// calculate new start value for groups
460groupStart+=groupCount;// update total number of vertices
461numberOfVertices+=vertexCounter;}return _this15;}_createClass(BoxGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new BoxGeometry(data.width,data.height,data.depth,data.widthSegments,data.heightSegments,data.depthSegments);}}]);return BoxGeometry;}(BufferGeometry);/**
462	 * Uniform Utilities
463	 */function cloneUniforms(src){var dst={};for(var u in src){dst[u]={};for(var p in src[u]){var property=src[u][p];if(property&&(property.isColor||property.isMatrix3||property.isMatrix4||property.isVector2||property.isVector3||property.isVector4||property.isTexture||property.isQuaternion)){dst[u][p]=property.clone();}else if(Array.isArray(property)){dst[u][p]=property.slice();}else{dst[u][p]=property;}}}return dst;}function mergeUniforms(uniforms){var merged={};for(var u=0;u<uniforms.length;u++){var _tmp=cloneUniforms(uniforms[u]);for(var p in _tmp){merged[p]=_tmp[p];}}return merged;}function cloneUniformsGroups(src){var dst=[];for(var u=0;u<src.length;u++){dst.push(src[u].clone());}return dst;}// Legacy
464var UniformsUtils={clone:cloneUniforms,merge:mergeUniforms};var default_vertex="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}";var default_fragment="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}";var ShaderMaterial=/*#__PURE__*/function(_Material2){_inherits(ShaderMaterial,_Material2);var _super24=_createSuper(ShaderMaterial);function ShaderMaterial(parameters){var _this16;_classCallCheck(this,ShaderMaterial);_this16=_super24.call(this);_this16.isShaderMaterial=true;_this16.type='ShaderMaterial';_this16.defines={};_this16.uniforms={};_this16.uniformsGroups=[];_this16.vertexShader=default_vertex;_this16.fragmentShader=default_fragment;_this16.linewidth=1;_this16.wireframe=false;_this16.wireframeLinewidth=1;_this16.fog=false;// set to use scene fog
465_this16.lights=false;// set to use scene lights
466_this16.clipping=false;// set to use user-defined clipping planes
467_this16.extensions={derivatives:false,// set to use derivatives
468fragDepth:false,// set to use fragment depth values
469drawBuffers:false,// set to use draw buffers
470shaderTextureLOD:false// set to use shader texture LOD
471};// When rendered geometry doesn't include these attributes but the material does,
472// use these default values in WebGL. This avoids errors when buffer data is missing.
473_this16.defaultAttributeValues={'color':[1,1,1],'uv':[0,0],'uv2':[0,0]};_this16.index0AttributeName=undefined;_this16.uniformsNeedUpdate=false;_this16.glslVersion=null;if(parameters!==undefined){if(parameters.attributes!==undefined){console.error('THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead.');}_this16.setValues(parameters);}return _this16;}

473_createClass(ShaderMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(ShaderMaterial.prototype),"copy",this).call(this,source);this.fragmentShader=source.fragmentShader;this.vertexShader=source.vertexShader;this.uniforms=cloneUniforms(source.uniforms);this.uniformsGroups=cloneUniformsGroups(source.uniformsGroups);this.defines=Object.assign({},source.defines);this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.fog=source.fog;this.lights=source.lights;this.clipping=source.clipping;this.extensions=Object.assign({},source.extensions);this.glslVersion=source.glslVersion;return this;}},{key:"toJSON",value:function toJSON(meta){var data=_get(_getPrototypeOf(ShaderMaterial.prototype),"toJSON",this).call(this,meta);data.glslVersion=this.glslVersion;data.uniforms={};for(var name in this.uniforms){var uniform=this.uniforms[name];var _value=uniform.value;if(_value&&_value.isTexture){data.uniforms[name]={type:'t',value:_value.toJSON(meta).uuid};}else if(_value&&_value.isColor){data.uniforms[name]={type:'c',value:_value.getHex()};}else if(_value&&_value.isVector2){data.uniforms[name]={type:'v2',value:_value.toArray()};}else if(_value&&_value.isVector3){data.uniforms[name]={type:'v3',value:_value.toArray()};}else if(_value&&_value.isVector4){data.uniforms[name]={type:'v4',value:_value.toArray()};}else if(_value&&_value.isMatrix3){data.uniforms[name]={type:'m3',value:_value.toArray()};}else if(_value&&_value.isMatrix4){data.uniforms[name]={type:'m4',value:_value.toArray()};}else{data.uniforms[name]={value:_value};// note: the array variants v2v, v3v, v4v, m4v and tv are not supported so far
474}}if(Object.keys(this.defines).length>0)data.defines=this.defines;data.vertexShader=this.vertexShader;data.fragmentShader=this.fragmentShader;var extensions={};for(var key in this.extensions){if(this.extensions[key]===true)extensions[key]=true;}if(Object.keys(extensions).length>0)data.extensions=extensions;return data;}}]);return ShaderMaterial;}(Material);var Camera=/*#__PURE__*/function(_Object3D2){_inherits(Camera,_Object3D2);var _super25=_createSuper(Camera);function Camera(){var _this17;_classCallCheck(this,Camera);_this17=_super25.call(this);_this17.isCamera=true;_this17.type='Camera';_this17.matrixWorldInverse=new Matrix4();_this17.projectionMatrix=new Matrix4();_this17.projectionMatrixInverse=new Matrix4();return _this17;}_createClass(Camera,[{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(Camera.prototype),"copy",this).call(this,source,recursive);this.matrixWorldInverse.copy(source.matrixWorldInverse);this.projectionMatrix.copy(source.projectionMatrix);this.projectionMatrixInverse.copy(source.projectionMatrixInverse);return this;}},{key:"getWorldDirection",value:function getWorldDirection(target){this.updateWorldMatrix(true,false);var e=this.matrixWorld.elements;return target.set(-e[8],-e[9],-e[10]).normalize();}},{key:"updateMatrixWorld",value:function updateMatrixWorld(force){_get(_getPrototypeOf(Camera.prototype),"updateMatrixWorld",this).call(this,force);this.matrixWorldInverse.copy(this.matrixWorld).invert();}},{key:"updateWorldMatrix",value:function updateWorldMatrix(updateParents,updateChildren){_get(_getPrototypeOf(Camera.prototype),"updateWorldMatrix",this).call(this,updateParents,updateChildren);this.matrixWorldInverse.copy(this.matrixWorld).invert();}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}}]);return Camera;}(Object3D);var PerspectiveCamera=/*#__PURE__*/function(_Camera){_inherits(PerspectiveCamera,_Camera);var _super26=_createSuper(PerspectiveCamera);function PerspectiveCamera(){var _this18;var fov=arguments.length>0&&arguments[0]!==undefined?arguments[0]:50;var aspect=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var near=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0.1;var far=arguments.length>3&&arguments[3]!==undefined?arguments[3]:2000;_classCallCheck(this,PerspectiveCamera);_this18=_super26.call(this);_this18.isPerspectiveCamera=true;_this18.type='PerspectiveCamera';_this18.fov=fov;_this18.zoom=1;_this18.near=near;_this18.far=far;_this18.focus=10;_this18.aspect=aspect;_this18.view=null;_this18.filmGauge=35;// width of the film (default in millimeters)
475_this18.filmOffset=0;// horizontal film offset (same unit as gauge)
476_this18.updateProjectionMatrix();return _this18;}

476_createClass(PerspectiveCamera,[{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(PerspectiveCamera.prototype),"copy",this).call(this,source,recursive);this.fov=source.fov;this.zoom=source.zoom;this.near=source.near;this.far=source.far;this.focus=source.focus;this.aspect=source.aspect;this.view=source.view===null?null:Object.assign({},source.view);this.filmGauge=source.filmGauge;this.filmOffset=source.filmOffset;return this;}/**
477		 * Sets the FOV by focal length in respect to the current .filmGauge.
478		 *
479		 * The default film gauge is 35, so that the focal length can be specified for
480		 * a 35mm (full frame) camera.
481		 *
482		 * Values for focal length and film gauge must have the same unit.
483		 */},{key:"setFocalLength",value:function setFocalLength(focalLength){/** see {@link http://www.bobatkins.com/photography/technical/field_of_view.html} */var vExtentSlope=0.5*this.getFilmHeight()/focalLength;this.fov=RAD2DEG*2*Math.atan(vExtentSlope);this.updateProjectionMatrix();}/**
484		 * Calculates the focal length from the current .fov and .filmGauge.
485		 */},{key:"getFocalLength",value:function getFocalLength(){var vExtentSlope=Math.tan(DEG2RAD*0.5*this.fov);return 0.5*this.getFilmHeight()/vExtentSlope;}},{key:"getEffectiveFOV",value:function getEffectiveFOV(){return RAD2DEG*2*Math.atan(Math.tan(DEG2RAD*0.5*this.fov)/this.zoom);}},{key:"getFilmWidth",value:function getFilmWidth(){// film not completely covered in portrait format (aspect < 1)
486return this.filmGauge*Math.min(this.aspect,1);}},{key:"getFilmHeight",value:function getFilmHeight(){// film not completely covered in landscape format (aspect > 1)
487return this.filmGauge/Math.max(this.aspect,1);}/**
488		 * Sets an offset in a larger frustum. This is useful for multi-window or
489		 * multi-monitor/multi-machine setups.
490		 *
491		 * For example, if you have 3x2 monitors and each monitor is 1920x1080 and
492		 * the monitors are in grid like this
493		 *
494		 *	 +---+---+---+
495		 *	 | A | B | C |
496		 *	 +---+---+---+
497		 *	 | D | E | F |
498		 *	 +---+---+---+
499		 *
500		 * then for each monitor you would call it like this
501		 *
502		 *	 const w = 1920;
503		 *	 const h = 1080;
504		 *	 const fullWidth = w * 3;
505		 *	 const fullHeight = h * 2;
506		 *
507		 *	 --A--
508		 *	 camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 0, w, h );
509		 *	 --B--
510		 *	 camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 0, w, h );
511		 *	 --C--
512		 *	 camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 0, w, h );
513		 *	 --D--
514		 *	 camera.setViewOffset( fullWidth, fullHeight, w * 0, h * 1, w, h );
515		 *	 --E--
516		 *	 camera.setViewOffset( fullWidth, fullHeight, w * 1, h * 1, w, h );
517		 *	 --F--
518		 *	 camera.setViewOffset( fullWidth, fullHeight, w * 2, h * 1, w, h );
519		 *
520		 *	 Note there is no reason monitors have to be the same size or in a grid.
521		 */},{key:"setViewOffset",value:function setViewOffset(fullWidth,fullHeight,x,y,width,height){this.aspect=fullWidth/fullHeight;if(this.view===null){this.view={enabled:true,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1};}this.view.enabled=true;this.view.fullWidth=fullWidth;this.view.fullHeight=fullHeight;this.view.offsetX=x;this.view.offsetY=y;this.view.width=width;this.view.height=height;this.updateProjectionMatrix();}},{key:"clearViewOffset",value:function clearViewOffset(){if(this.view!==null){this.view.enabled=false;}this.updateProjectionMatrix();}},{key:"updateProjectionMatrix",value:function updateProjectionMatrix(){var near=this.near;var top=near*Math.tan(DEG2RAD*0.5*this.fov)/this.zoom;var height=2*top;var width=this.aspect*height;var left=-0.5*width;var view=this.view;if(this.view!==null&&this.view.enabled){var fullWidth=view.fullWidth,fullHeight=view.fullHeight;left+=view.offsetX*width/fullWidth;top-=view.offsetY*height/fullHeight;width*=view.width/fullWidth;height*=view.height/fullHeight;}var skew=this.filmOffset;if(skew!==0)left+=near*skew/this.getFilmWidth();this.projectionMatrix.makePerspective(left,left+width,top,top-height,near,this.far);this.projectionMatrixInverse.copy(this.projectionMatrix).invert();}},{key:"toJSON",value:function toJSON(meta){var data=_get(_getPrototypeOf(PerspectiveCamera.prototype),"toJSON",this).call(this,meta);data.object.fov=this.fov;data.object.zoom=this.zoom;data.object.near=this.near;data.object.far=this.far;data.object.focus=this.focus;data.object.aspect=this.aspect;if(this.view!==null)data.object.view=Object.assign({},this.view);data.object.filmGauge=this.filmGauge;data.object.filmOffset=this.filmOffset;return data;}}]);return PerspectiveCamera;}(Camera);var fov=90,aspect=1;var CubeCamera=/*#__PURE__*/function(_Object3D3){_inherits(CubeCamera,_Object3D3);var _super27=_createSuper(CubeCamera);function CubeCamera(near,far,renderTarget){var _this19;_classCallCheck(this,CubeCamera);_this19=_super27.call(this);_this19.type='CubeCamera';

521if(renderTarget.isWebGLCubeRenderTarget!==true){console.error('THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.');return _possibleConstructorReturn(_this19);}_this19.renderTarget=renderTarget;var cameraPX=new PerspectiveCamera(fov,aspect,near,far);cameraPX.layers=_this19.layers;cameraPX.up.set(0,-1,0);cameraPX.lookAt(new Vector3(1,0,0));_this19.add(cameraPX);var cameraNX=new PerspectiveCamera(fov,aspect,near,far);cameraNX.layers=_this19.layers;cameraNX.up.set(0,-1,0);cameraNX.lookAt(new Vector3(-1,0,0));_this19.add(cameraNX);var cameraPY=new PerspectiveCamera(fov,aspect,near,far);cameraPY.layers=_this19.layers;cameraPY.up.set(0,0,1);cameraPY.lookAt(new Vector3(0,1,0));_this19.add(cameraPY);var cameraNY=new PerspectiveCamera(fov,aspect,near,far);cameraNY.layers=_this19.layers;cameraNY.up.set(0,0,-1);cameraNY.lookAt(new Vector3(0,-1,0));_this19.add(cameraNY);var cameraPZ=new PerspectiveCamera(fov,aspect,near,far);cameraPZ.layers=_this19.layers;cameraPZ.up.set(0,-1,0);cameraPZ.lookAt(new Vector3(0,0,1));_this19.add(cameraPZ);var cameraNZ=new PerspectiveCamera(fov,aspect,near,far);cameraNZ.layers=_this19.layers;cameraNZ.up.set(0,-1,0);cameraNZ.lookAt(new Vector3(0,0,-1));_this19.add(cameraNZ);return _this19;}_createClass(CubeCamera,[{key:"update",value:function update(renderer,scene){if(this.parent===null)this.updateMatrixWorld();var renderTarget=this.renderTarget;var _this$children=_slicedToArray(this.children,6),cameraPX=_this$children[0],cameraNX=_this$children[1],cameraPY=_this$children[2],cameraNY=_this$children[3],cameraPZ=_this$children[4],cameraNZ=_this$children[5];var currentRenderTarget=renderer.getRenderTarget();var currentToneMapping=renderer.toneMapping;var currentXrEnabled=renderer.xr.enabled;renderer.toneMapping=NoToneMapping;renderer.xr.enabled=false;var generateMipmaps=renderTarget.texture.generateMipmaps;renderTarget.texture.generateMipmaps=false;renderer.setRenderTarget(renderTarget,0);renderer.render(scene,cameraPX);renderer.setRenderTarget(renderTarget,1);renderer.render(scene,cameraNX);renderer.setRenderTarget(renderTarget,2);renderer.render(scene,cameraPY);renderer.setRenderTarget(renderTarget,3);renderer.render(scene,cameraNY);renderer.setRenderTarget(renderTarget,4);renderer.render(scene,cameraPZ);renderTarget.texture.generateMipmaps=generateMipmaps;renderer.setRenderTarget(renderTarget,5);renderer.render(scene,cameraNZ);renderer.setRenderTarget(currentRenderTarget);renderer.toneMapping=currentToneMapping;renderer.xr.enabled=currentXrEnabled;renderTarget.texture.needsPMREMUpdate=true;}}]);return CubeCamera;}(Object3D);var CubeTexture=/*#__PURE__*/function(_Texture3){_inherits(CubeTexture,_Texture3);var _super28=_createSuper(CubeTexture);function CubeTexture(images,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy,encoding){var _this20;_classCallCheck(this,CubeTexture);images=images!==undefined?images:[];mapping=mapping!==undefined?mapping:CubeReflectionMapping;_this20=_super28.call(this,images,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy,encoding);_this20.isCubeTexture=true;_this20.flipY=false;return _this20;}_createClass(CubeTexture,[{key:"images",get:function get(){return this.image;},set:function set(value){this.image=value;}}]);return CubeTexture;}(Texture);var WebGLCubeRenderTarget=/*#__PURE__*/function(_WebGLRenderTarget4){_inherits(WebGLCubeRenderTarget,_WebGLRenderTarget4);var _super29=_createSuper(WebGLCubeRenderTarget);function WebGLCubeRenderTarget(size){var _this21;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,WebGLCubeRenderTarget);_this21=_super29.call(this,size,size,options);_this21.isWebGLCubeRenderTarget=true;var image={width:size,height:size,depth:1};var images=[image,image,image,image,image,image];_this21.texture=new CubeTexture(images,options.mapping,options.wrapS,options.wrapT,options.magFilter,options.minFilter,options.format,options.type,options.anisotropy,options.encoding);// By convention -- likely based on the RenderMan spec from the 1990's -- cube maps are specified by WebGL (and three.js)
522// in a coordinate system in which positive-x is to the right when looking up the positive-z axis -- in other words,
523// in a left-handed coordinate system. By continuing this convention, preexisting cube maps continued to render correctly.
524// three.js uses a right-handed coordinate system. So environment maps used in three.js appear to have px and nx swapped
525// and the flag isRenderTargetTexture controls this conversion. The flip is not required when using WebGLCubeRen

525derTarget.texture
526// as a cube texture (this is detected when isRenderTargetTexture is set to true for cube textures).
527_this21.texture.isRenderTargetTexture=true;_this21.texture.generateMipmaps=options.generateMipmaps!==undefined?options.generateMipmaps:false;_this21.texture.minFilter=options.minFilter!==undefined?options.minFilter:LinearFilter;return _this21;}_createClass(WebGLCubeRenderTarget,[{key:"fromEquirectangularTexture",value:function fromEquirectangularTexture(renderer,texture){this.texture.type=texture.type;this.texture.encoding=texture.encoding;this.texture.generateMipmaps=texture.generateMipmaps;this.texture.minFilter=texture.minFilter;this.texture.magFilter=texture.magFilter;var shader={uniforms:{tEquirect:{value:null}},vertexShader:/* glsl */"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:/* glsl */"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"};var geometry=new BoxGeometry(5,5,5);var material=new ShaderMaterial({name:'CubemapFromEquirect',uniforms:cloneUniforms(shader.uniforms),vertexShader:shader.vertexShader,fragmentShader:shader.fragmentShader,side:BackSide,blending:NoBlending});material.uniforms.tEquirect.value=texture;var mesh=new Mesh(geometry,material);var currentMinFilter=texture.minFilter;// Avoid blurred poles
528if(texture.minFilter===LinearMipmapLinearFilter)texture.minFilter=LinearFilter;var camera=new CubeCamera(1,10,this);camera.update(renderer,mesh);texture.minFilter=currentMinFilter;mesh.geometry.dispose();mesh.material.dispose();return this;}},{key:"clear",value:function clear(renderer,color,depth,stencil){var currentRenderTarget=renderer.getRenderTarget();for(var i=0;i<6;i++){renderer.setRenderTarget(this,i);renderer.clear(color,depth,stencil);}renderer.setRenderTarget(currentRenderTarget);}}]);return WebGLCubeRenderTarget;}(WebGLRenderTarget);var _vector1=/*@__PURE__*/new Vector3();var _vector2=/*@__PURE__*/new Vector3();var _normalMatrix=/*@__PURE__*/new Matrix3();var Plane=/*#__PURE__*/function(){function Plane(){var normal=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector3(1,0,0);var constant=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;_classCallCheck(this,Plane);this.isPlane=true;// normal is assumed to be normalized
529this.normal=normal;this.constant=constant;}_createClass(Plane,[{key:"set",value:function set(normal,constant){this.normal.copy(normal);this.constant=constant;return this;}},{key:"setComponents",value:function setComponents(x,y,z,w){this.normal.set(x,y,z);this.constant=w;return this;}},{key:"setFromNormalAndCoplanarPoint",value:function setFromNormalAndCoplanarPoint(normal,point){this.normal.copy(normal);this.constant=-point.dot(this.normal);return this;}},{key:"setFromCoplanarPoints",value:function setFromCoplanarPoints(a,b,c){var normal=_vector1.subVectors(c,b).cross(_vector2.subVectors(a,b)).normalize();// Q: should an error be thrown if normal is zero (e.g. degenerate plane)?
530this.setFromNormalAndCoplanarPoint(normal,a);return this;}},{key:"copy",value:function copy(plane){this.normal.copy(plane.normal);this.constant=plane.constant;return this;}},{key:"normalize",value:function normalize(){// Note: will lead to a divide by zero if the plane is invalid.
531var inverseNormalLength=1.0/this.normal.length();this.normal.multiplyScalar(inverseNormalLength);this.constant*=inverseNormalLength;return this;}},{key:"negate",value:function negate(){this.constant*=-1;this.normal.negate();return this;}},{key:"distanceToPoint",value:function distanceToPoint(point){return this.normal.dot(point)+this.constant;}},{key:"distanceToSphere",value:function distanceToSphere(sphere){return this.distanceToPoint(sphere.center)-sphere.radius;}},{key:"projectPoint",value:function projectPoint(point,target){return target.copy(this.normal).multiplyScalar(-this.distanceToPoint(point)).add(point);}},{key:"intersectLine",value:function intersectLine(line,target){var direction=line.delta(_vector1);var denominator=this.normal.dot(direction);if(denominator===0){// line is coplanar, return origin
532if(this.distanceToPoint(line.start)===0){return target.copy(line.start);}// Unsure if this is the correct method to handle this case.
533return null;}

533var t=-(line.start.dot(this.normal)+this.constant)/denominator;if(t<0||t>1){return null;}return target.copy(direction).multiplyScalar(t).add(line.start);}},{key:"intersectsLine",value:function intersectsLine(line){// Note: this tests if a line intersects the plane, not whether it (or its end-points) are coplanar with it.
534var startSign=this.distanceToPoint(line.start);var endSign=this.distanceToPoint(line.end);return startSign<0&&endSign>0||endSign<0&&startSign>0;}},{key:"intersectsBox",value:function intersectsBox(box){return box.intersectsPlane(this);}},{key:"intersectsSphere",value:function intersectsSphere(sphere){return sphere.intersectsPlane(this);}},{key:"coplanarPoint",value:function coplanarPoint(target){return target.copy(this.normal).multiplyScalar(-this.constant);}},{key:"applyMatrix4",value:function applyMatrix4(matrix,optionalNormalMatrix){var normalMatrix=optionalNormalMatrix||_normalMatrix.getNormalMatrix(matrix);var referencePoint=this.coplanarPoint(_vector1).applyMatrix4(matrix);var normal=this.normal.applyMatrix3(normalMatrix).normalize();this.constant=-referencePoint.dot(normal);return this;}},{key:"translate",value:function translate(offset){this.constant-=offset.dot(this.normal);return this;}},{key:"equals",value:function equals(plane){return plane.normal.equals(this.normal)&&plane.constant===this.constant;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}}]);return Plane;}();var _sphere$2=/*@__PURE__*/new Sphere();var _vector$7=/*@__PURE__*/new Vector3();var Frustum=/*#__PURE__*/function(){function Frustum(){var p0=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Plane();var p1=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Plane();var p2=arguments.length>2&&arguments[2]!==undefined?arguments[2]:new Plane();var p3=arguments.length>3&&arguments[3]!==undefined?arguments[3]:new Plane();var p4=arguments.length>4&&arguments[4]!==undefined?arguments[4]:new Plane();var p5=arguments.length>5&&arguments[5]!==undefined?arguments[5]:new Plane();_classCallCheck(this,Frustum);this.planes=[p0,p1,p2,p3,p4,p5];}_createClass(Frustum,[{key:"set",value:function set(p0,p1,p2,p3,p4,p5){var planes=this.planes;planes[0].copy(p0);

534planes[1].copy(p1);planes[2].copy(p2);planes[3].copy(p3);planes[4].copy(p4);planes[5].copy(p5);return this;}},{key:"copy",value:function copy(frustum){var planes=this.planes;for(var i=0;i<6;i++){planes[i].copy(frustum.planes[i]);}return this;}},{key:"setFromProjectionMatrix",value:function setFromProjectionMatrix(m){var planes=this.planes;var me=m.elements;var me0=me[0],me1=me[1],me2=me[2],me3=me[3];var me4=me[4],me5=me[5],me6=me[6],me7=me[7];var me8=me[8],me9=me[9],me10=me[10],me11=me[11];var me12=me[12],me13=me[13],me14=me[14],me15=me[15];planes[0].setComponents(me3-me0,me7-me4,me11-me8,me15-me12).normalize();planes[1].setComponents(me3+me0,me7+me4,me11+me8,me15+me12).normalize();planes[2].setComponents(me3+me1,me7+me5,me11+me9,me15+me13).normalize();planes[3].setComponents(me3-me1,me7-me5,me11-me9,me15-me13).normalize();planes[4].setComponents(me3-me2,me7-me6,me11-me10,me15-me14).normalize();planes[5].setComponents(me3+me2,me7+me6,me11+me10,me15+me14).normalize();return this;}},{key:"intersectsObject",value:function intersectsObject(object){var geometry=object.geometry;if(geometry.boundingSphere===null)geometry.computeBoundingSphere();_sphere$2.copy(geometry.boundingSphere).applyMatrix4(object.matrixWorld);return this.intersectsSphere(_sphere$2);}},{key:"intersectsSprite",value:function intersectsSprite(sprite){_sphere$2.center.set(0,0,0);_sphere$2.radius=0.7071067811865476;_sphere$2.applyMatrix4(sprite.matrixWorld);return this.intersectsSphere(_sphere$2);}},{key:"intersectsSphere",value:function intersectsSphere(sphere){var planes=this.planes;var center=sphere.center;

534var negRadius=-sphere.radius;for(var i=0;i<6;i++){var distance=planes[i].distanceToPoint(center);if(distance<negRadius){return false;}}return true;}},{key:"intersectsBox",value:function intersectsBox(box){var planes=this.planes;for(var i=0;i<6;i++){var plane=planes[i];// corner at max distance
535_vector$7.x=plane.normal.x>0?box.max.x:box.min.x;_vector$7.y=plane.normal.y>0?box.max.y:box.min.y;_vector$7.z=plane.normal.z>0?box.max.z:box.min.z;if(plane.distanceToPoint(_vector$7)<0){return false;}}return true;}},{key:"containsPoint",value:function containsPoint(point){var planes=this.planes;for(var i=0;i<6;i++){if(planes[i].distanceToPoint(point)<0){return false;}}return true;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}}]);return Frustum;}();function WebGLAnimation(){var context=null;var isAnimating=false;var animationLoop=null;var requestId=null;function onAnimationFrame(time,frame){animationLoop(time,frame);requestId=context.requestAnimationFrame(onAnimationFrame);}return{start:function start(){if(isAnimating===true)return;if(animationLoop===null)return;requestId=context.requestAnimationFrame(onAnimationFrame);isAnimating=true;},stop:function stop(){context.cancelAnimationFrame(requestId);isAnimating=false;},setAnimationLoop:function setAnimationLoop(callback){animationLoop=callback;},setContext:function setContext(value){context=value;}};}function WebGLAttributes(gl,capabilities){var isWebGL2=capabilities.isWebGL2;var buffers=new WeakMap();function createBuffer(attribute,bufferType){var array=attribute.array;var usage=attribute.usage;var buffer=gl.createBuffer();gl.bindBuffer(bufferType,buffer);gl.bufferData(bufferType,array,usage);attribute.onUploadCallback();var type;if(array instanceof Float32Array){type=gl.FLOAT;}else if(array instanceof Uint16Array){if(attribute.isFloat16BufferAttribute){if(isWebGL2){type=gl.HALF_FLOAT;}else{throw new Error('THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.');}}else{type=gl.UNSIGNED_SHORT;}}else if(array instanceof Int16Array){type=gl.SHORT;}else if(array instanceof Uint32Array){type=gl.UNSIGNED_INT;}else if(array instanceof Int32Array){type=gl.INT;}else if(array instanceof Int8Array){type=gl.BYTE;}else if(array instanceof Uint8Array){type=gl.UNSIGNED_BYTE;}else if(array instanceof Uint8ClampedArray){type=gl.UNSIGNED_BYTE;}else{throw new Error('THREE.WebGLAttributes: Unsupported buffer data format: '+array);}return{buffer:buffer,type:type,bytesPerElement:array.BYTES_PER_ELEMENT,version:attribute.version};}function updateBuffer(buffer,attribute,bufferType){var array=attribute.array;var updateRange=attribute.updateRange;gl.bindBuffer(bufferType,buffer);if(updateRange.count===-1){// Not using update ranges
536gl.bufferSubData(bufferType,0,array);}else{if(isWebGL2){gl.bufferSubData(bufferType,updateRange.offset*array.BYTES_PER_ELEMENT,array,updateRange.offset,updateRange.count);}else{gl.bufferSubData(bufferType,updateRange.offset*array.BYTES_PER_ELEMENT,array.subarray(updateRange.offset,updateRange.offset+updateRange.count));}updateRange.count=-1;// reset range
537}}//
538function get(attribute){if(attribute.isInterleavedBufferAttribute)attribute=attribute.data;return buffers.get(attribute);}function remove(attribute){if(attribute.isInterleavedBufferAttribute)attribute=attribute.data;var data=buffers.get(attribute);if(data){gl.deleteBuffer(data.buffer);buffers.delete(attribute);}}function update(attribute,bufferType){if(attribute.isGLBufferAttribute){var cached=buffers.get(attribute);if(!cached||cached.version<attribute.version){buffers.set(attribute,{buffer:attribute.buffer,type:attribute.type,bytesPerElement:attribute.elementSize,version:attribute.version});}return;}if(attribute.isInterleavedBufferAttribute)attribute=attribute.data;var data=buffers.get(attribute);if(data===undefined){buffers.set(attribute,createBuffer(attribute,bufferType));}else if(data.version<attribute.version){updateBuffer(data.buffer,attribute,bufferType);data.version=attribute.version;}}return{get:get,remove:remove,update:update};}var PlaneGeometry=/*#__PURE__*/function(_BufferGeometry2){_inherits(PlaneGeometry,_BufferGeometry2);var _super30=_createSuper(PlaneGeometry);function PlaneGeometry(){var _this22;var width=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var height=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var widthSegments=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;var heightSegments=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;_classCallCheck(this,PlaneGeometry);_this22=_super30.call(this);_this22.type='PlaneGeometry';_this22.parameters={width:width,height:height,widthSegments:widthSegments,heightSegments:heightSegments};var width_half=width/2;var height_half=height/2;var gridX=Math.floor(widthSegments);var gridY=Math.floor(heightSegments);var gridX1=gridX+1;

538var gridY1=gridY+1;var segment_width=width/gridX;var segment_height=height/gridY;//
539var indices=[];var vertices=[];var normals=[];var uvs=[];for(var iy=0;iy<gridY1;iy++){var y=iy*segment_height-height_half;for(var ix=0;ix<gridX1;ix++){var x=ix*segment_width-width_half;vertices.push(x,-y,0);normals.push(0,0,1);uvs.push(ix/gridX);uvs.push(1-iy/gridY);}}for(var _iy2=0;_iy2<gridY;_iy2++){for(var _ix2=0;_ix2<gridX;_ix2++){var a=_ix2+gridX1*_iy2;var b=_ix2+gridX1*(_iy2+1);var c=_ix2+1+gridX1*(_iy2+1);var d=_ix2+1+gridX1*_iy2;indices.push(a,b,d);indices.push(b,c,d);}}_this22.setIndex(indices);_this22.setAttribute('position',new Float32BufferAttribute(vertices,3));_this22.setAttribute('normal',new Float32BufferAttribute(normals,3));_this22.setAttribute('uv',new Float32BufferAttribute(uvs,2));return _this22;}_createClass(PlaneGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new PlaneGeometry(data.width,data.height,data.widthSegments,data.heightSegments);}}]);return PlaneGeometry;}(BufferGeometry);var alphamap_fragment="#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif";var alphamap_pars_fragment="#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif";var alphatest_fragment="#ifdef USE_ALPHATEST\n\tif ( diffuseColor.a < alphaTest ) discard;\n#endif";var alphatest_pars_fragment="#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif";var aomap_fragment="#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif";var aomap_pars_fragment="#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif";var begin_vertex="vec3 transformed = vec3( position );";var beginnormal_vertex="vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif";var bsdfs="vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n		float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n		float x2 = x * x;\n		float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n		return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( V * D );\n}\n#ifdef USE_IRIDESCENCE\n\tvec3 BRDF_GGX_Iridescence( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float iridescence, const in vec3 iridescenceFresnel, const in float roughness ) {\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );

539\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = mix( F_Schlick( f0, f90, dotVH ), iridescenceFresnel, iridescence );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x >

539 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif";var iridescence_fragment="#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,	0.0556434,\n\t\t-1.5371385,	1.8760108, -0.2040259,\n\t\t-0.4985314,	0.0415560,	1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\t return vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );

539\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat R21 = R12;\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif";var bumpmap_pars_fragment="#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos.xyz );\n\t\tvec3 vSigmaY = dFdy( surf_pos.xyz );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif";var clipping_planes_fragment="#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif";var clipping_planes_pars_fragment="#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif";var clipping_planes_pars_vertex="#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif";var clipping_planes_vertex="#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif";var color_fragment="#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif";var color_pars_fragment="#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif";var color_pars_vertex="#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif";var color_vertex="#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif";var common="#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}";var cube_uv_reflection_fragment="#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= r1 ) {\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\t\t} else if ( roughness >= r4 ) {\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\t\t} else if ( roughness >= r5 ) {\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\t\t} else if ( roughness >= r6 ) {\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif";var defaultnormal_vertex="vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif";var displacementmap_pars_vertex="#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif";var displacementmap_vertex="#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + dis

539placementBias );\n#endif";var emissivemap_fragment="#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif";var emissivemap_pars_fragment="#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif";var encodings_fragment="gl_FragColor = linearToOutputTexel( gl_FragColor );";var encodings_pars_fragment="vec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}";var envmap_fragment="#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif";var envmap_common_pars_fragment="#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif";var envmap_pars_fragment="#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif";var envmap_pars_vertex="#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif";var envmap_vertex="#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t}

539 else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif";var fog_vertex="#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif";var fog_pars_vertex="#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif";var fog_fragment="#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif";var fog_pars_fragment="#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif";var gradientmap_pars_fragment="#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}";var lightmap_fragment="#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif";var lightmap_pars_fragment="#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif";var lights_lambert_vertex="vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif";var lights_pars_begin="uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#else\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}

539\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif";var envmap_physical_pars_fragment="#if defined( USE_ENVMAP )\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n#endif";var lights_toon_fragment="ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;";var lights_toon_pars_fragment="varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)";var lights_phong_fragment="BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;";var lights_phong_pars_fragment="varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot

539( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)";var lights_physical_fragment="PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\t#ifdef SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULARINTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\n\t\t#endif\n\t\t#ifdef USE_SPECULARCOLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vUv ).rgb;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;

539\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEENCOLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\n\t#endif\n#endif";var lights_physical_pars_fragment="struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec3 sheenSpecular = vec3( 0.0 );\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness) {\

539n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(		0, 1,		0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );

539\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\treflectedLight.directSpecular += irradiance * BRDF_GGX_Iridescence( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness );\n\t#else\n\t\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}";var lights_fragment_begin="\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometry.viewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}

539\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif";var lights_fragment_maps="#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif";var lights_fragment_end="#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif";var logdepthbuf_fragment="#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif";var logdepthbuf_pars_fragment="#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif";var logdepthbuf_pars_vertex="#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif";var logdepthbuf_vertex="#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif";var map_fragment="#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif";var map_pars_fragment="#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif";var map_particle_fragment="#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif";var map_particle_pars_fragment="#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif";var metalnessmap_fragment="float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif";var metalnessmap_pars_fragment="#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif";var morphcolor_vertex="#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif";var morphnormal_vertex="#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif";var morphtarget_pars_vertex="#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif";var morphtarget_vertex="#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\n#endif";var normal_fragment_begin="float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;";var normal_fragment_maps="#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );

539\n\t#else\n\t\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif";var normal_pars_fragment="#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif";var normal_pars_vertex="#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif";var normal_vertex="#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif";var normalmap_pars_fragment="#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif";var clearcoat_normal_fragment_begin="#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif";var clearcoat_normal_fragment_maps="#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif";var clearcoat_pars_fragment="#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif";var iridescence_pars_fragment="#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif";var output_fragment="#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= transmissionAlpha + 0.1;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );";var packing="vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}";var premultiplied_alpha_fragment="#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif";var project_vertex="vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;";var dithering_fragment="#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif";var dithering_pars_fragment="#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif";var roughnessmap_fragment="float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif";var roughnessmap_pars_fragment="#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif";var shadowmap_pars_fragment=

539"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t

539	texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t	f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t	texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t	f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif";var shadowmap_pars_vertex="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif";var shadowmap_vertex="#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS >

539 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif";var shadowmask_pars_fragment="float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}";var skinbase_vertex="#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif";var skinning_pars_vertex="#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tuniform int boneTextureSize;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tfloat j = i * 4.0;\n\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\ty = dy * ( y + 0.5 );\n\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\treturn bone;\n\t}\n#endif";var skinning_vertex="#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif";var skinnormal_vertex="#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif";var specularmap_fragment="float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif";var specularmap_pars_fragment="#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif";var tonemapping_fragment="#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif";var tonemapping_pars_fragment="#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;

539\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(	1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,	1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,	1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }";var transmission_fragment="#ifdef USE_TRANSMISSION\n\tfloat transmissionAlpha = 1.0;\n\tfloat transmissionFactor = transmission;\n\tfloat thicknessFactor = thickness;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmission = getIBLVolumeRefraction(\n\t\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\n\t\tattenuationColor, attenuationDistance );\n\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\n\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\n#endif";var transmission_pars_fragment="#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\t#ifdef texture2DLodEXT\n\t\t\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#else\n\t\t\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#endif\n\t}\n\tvec3 applyVolumeAttenuation( const in vec3 radiance, const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( attenuationDistance == 0.0 ) {\n\t\t\treturn radiance;\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance * radiance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\n\t}\n#endif";var uv_pars_fragment="#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif";var uv_pars_vertex="#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif";var uv_vertex="#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif";var uv2_pars_fragment="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif";var uv2_pars_vertex="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif";var uv2_vertex="#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif";var worldpos_vertex="#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif";var vertex$g="varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}";var fragment$g="uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tgl_FragColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tgl_FragColor = vec4( mix( pow( gl_FragColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), gl_FragColor.rgb * 0.0773993808, vec3( lessThanEqual( gl_FragColor.rgb, vec3( 0.04045 ) ) ) ), gl_FragColor.w );\n\t#endif\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}";var vertex$f="varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}";var fragment$f="#include <envmap_common_pars_fragment>\nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}";var vertex$e="#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}";var fragment$e="#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}";var vertex$d="#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}";var fragment$d="#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}";var vertex$c="varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}";var fragment$c="uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}";var vertex$b="uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}";var fragment$b="uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}";var vertex$a="#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}";var fragment$a="uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}";var vertex$9="#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <cl

539ipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}";var fragment$9="uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include <lightmap_fragment>\n\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}";var vertex$8="#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}";var fragment$8="#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;

539\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}";var vertex$7="#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}";var fragment$7="#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}";var vertex$6="#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}";var fragment$6="#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}";var vertex$5="#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}";var fragment$5="#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULARINTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n\t#ifdef USE_SPECULARCOLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;

539\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEENCOLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <bsdfs>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecular;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;

539\n\t#endif\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}";var vertex$4="#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}";var fragment$4="#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}";var vertex$3="uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}";var fragment$3="uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}";

539var vertex$2="#include <common>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}";var fragment$2="uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}";var vertex$1="uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}";var fragment$1="uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}";var ShaderChunk={alphamap_fragment:alphamap_fragment,alphamap_pars_fragment:alphamap_pars_fragment,alphatest_fragment:alphatest_fragment,alphatest_pars_fragment:alphatest_pars_fragment,aomap_fragment:aomap_fragment,aomap_pars_fragment:aomap_pars_fragment,begin_vertex:begin_vertex,beginnormal_vertex:beginnormal_vertex,bsdfs:bsdfs,iridescence_fragment:iridescence_fragment,bumpmap_pars_fragment:bumpmap_pars_fragment,clipping_planes_fragment:clipping_planes_fragment,clipping_planes_pars_fragment:clipping_planes_pars_fragment,clipping_planes_pars_vertex:clipping_planes_pars_vertex,clipping_planes_vertex:clipping_planes_vertex,color_fragment:color_fragment,color_pars_fragment:color_pars_fragment,color_pars_vertex:color_pars_vertex,color_vertex:color_vertex,common:common,cube_uv_reflection_fragment:cube_uv_reflection_fragment,defaultnormal_vertex:defaultnormal_vertex,displacementmap_pars_vertex:displacementmap_pars_vertex,displacementmap_vertex:displacementmap_vertex,emissivemap_fragment:emissivemap_fragment,emissivemap_pars_fragment:emissivemap_pars_fragment,encodings_fragment:encodings_fragment,encodings_pars_fragment:encodings_pars_fragment,envmap_fragment:envmap_fragment,envmap_common_pars_fragment:envmap_common_pars_fragment,envmap_pars_fragment:envmap_pars_fragment,envmap_pars_vertex:envmap_pars_vertex,envmap_physical_pars_fragment:envmap_physical_pars_fragment,envmap_vertex:envmap_vertex,fog_vertex:fog_vertex,fog_pars_vertex:fog_pars_vertex,fog_fragment:fog_fragment,fog_pars_fragment:fog_pars_fragment,gradientmap_pars_fragment:gradientmap_pars_fragment,lightmap_fragment:lightmap_fragment,lightmap_pars_fragment:lightmap_pars_fragment,lights_lambert_vertex:lights_lambert_vertex,lights_pars_begin:lights_pars_begin,lights_toon_fragment:lights_toon_fragment,lights_toon_pars_fragment:lights_toon_pars_fragment,lights_phong_fragment:lights_phong_fragment,lights_phong_pars_fragment:lights_phong_pars_fragment,lights_physical_fragment:lights_physical_fragment,lights_physical_pars_fragment:lights_physical_pars_fragment,lights_fragment_begin:lights_fragment_begin,lights_fragment_maps:lights_fragment_maps,lights_fragment_end:lights_fragment_end,logdepthbuf_fragment:logdepthbuf_fragment,logdepthbuf_pars_fragment:logdepthbuf_pars_fragment,logdepthbuf_pars_vertex:logdepthbuf_pars_vertex,logdepthbuf_vertex:logdepthbuf_vertex,map_fragment:map_fragment,map_pars_fragment:map_pars_fragment,map_particle_fragment:map_particle_fragment,map_particle_pars_fragment:map_particle_pars_fragment,metalnessmap_fragment:metalnessmap_fragment,metalnessmap_pars_fragment:metalnessmap_pars_fragment,morphcolor_vertex:morphcolor_vertex,morphnormal_vertex:morphnormal_vertex,morphtarget_pars_vertex:morphtarget_pars_vertex,morphtarget_vertex:morphtarget_vertex,normal_fragment_begin:normal_fragment_begin,normal_fragment_maps:normal_fragment_maps,normal_pars_fragment:normal_pars_fragment,normal_pars_vertex:normal_pars_vertex,normal_vertex:normal_vertex,normalmap_pars_fragment:normalmap_pars_fragment,clearcoat_normal_fragment_begin:clearcoat_normal_fragment_begin,clearcoat_normal_fragment_maps:clearcoat_normal_fragment_maps,clearcoat_pars_fragment:clearcoat_pars_fragment,iridescence_pars_fragment:iridescence_pars_fragment,output_fragment:output_fragment,packing:packing,premultiplied_alpha_fragment:premultiplied_alpha_fragment,project_vertex:project_vertex,dithering_fragment:dithering_fragment,dithering_pars_fragment:dithering_pars_fragment,roughnessmap_fragment:roughnessmap_fragment,roughnessmap_pars_fragment:roughnessmap_pars_fragment,shadowmap_pars_fragment:shadowmap_pars_fragment,shadowmap_pars_vertex:shadowmap_pars_vertex,shadowmap_vertex:shadowmap_vertex,shadowmask_pars_fragment:shadowmask_pars_fragment,skinbase_vertex:skinbase_vertex,skinning_pars_vertex:skinning_pars_vertex,skinning_vertex:skinning_vertex,skinnormal_vertex:skinnormal_vertex,specularmap_fragment:specularmap_fragment,specularmap_pars_fragment:specularmap_pars_fragment,tonemapping_fragment:tonemapping_fragment,tonemapping_pars_fragment:tonemapping_pars_fragment,transmission_fragment:transmission_fragment,transmission_pars_fragment:transmission_pars_fragment,uv_pars_fragment:uv_pars_fragment,uv_pars_vertex:uv_pars_vertex,uv_vertex:uv_vertex,uv2_pars_fragment:uv2_pars_fragment,uv2_pars_vertex:uv2_pars_vertex,uv2_vertex:uv2_vertex,worldpos_vertex:worldpos_vertex,background_vert:vertex$g,background_frag:fragment$g,cube_vert:vertex$f,cube_frag:fragment$f,depth_vert:vertex$e,depth_frag:fragment$e,distanceRGBA_vert:vertex$d,distanceRGBA_frag:fragment$d,equirect_vert:vertex$c,equirect_frag:fragment$c,linedashed_vert:vertex$b,linedashed_frag:fragment$b,meshbasic_vert:vertex$a,meshbasic_frag:fragment$a,meshlambert_vert:vertex$9,meshlambert_frag:fragment$9,meshmatcap_vert:vertex$8,meshmatcap_frag:fragment$8,meshnormal_vert:vertex$7,meshnormal_frag:fragment$7,meshphong_vert:vertex$6,meshphong_frag:fragment$6,meshphysical_vert:vertex$5,meshphysical_frag:fragment$5,meshtoon_vert:vertex$4,meshtoon_frag:fragment$4,points_vert:vertex$3,points_frag:fragment$3,shadow_vert:vertex$2,shadow_frag:fragment$2,sprite_vert:vertex$1,sprite_frag:fragment$1};/**
540	 * Uniforms library for shared webgl shaders
541	 */var UniformsLib={common:{diffuse:{value:/*@__PURE__*/new Color(0xffffff)},opacity:{value:1.0},map:{value:null},uvTransform:{value:/*@__PURE__*/new Matrix3()},uv2Transform:{value:/*@__PURE__*/new Matrix3()}

541,alphaMap:{value:null},alphaTest:{value:0}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1.0},// basic, lambert, phong
542ior:{value:1.5},// physical
543refractionRatio:{value:0.98}// basic, lambert, phong
544},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:/*@__PURE__*/new Vector2(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:0.00025},fogNear:{value:1},fogFar:{value:2000},fogColor:{value:/*@__PURE__*/new Color(0xffffff)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},// TODO (abelnation): RectAreaLight BRDF data needs to be moved from example to main src
545rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:/*@__PURE__*/new Color(0xffffff)},opacity:{value:1.0},size:{value:1.0},scale:{value:1.0},map:{value:null},alphaMap:{value:null},alphaTest:{value:0},uvTransform:{value:/*@__PURE__*/new Matrix3()}},sprite:{diffuse:{value:/*@__PURE__*/new Color(0xffffff)},opacity:{value:1.0},center:{value:/*@__PURE__*/new Vector2(0.5,0.5)},rotation:{value:0.0},map:{value:null},alphaMap:{value:null},alphaTest:{value:0},uvTransform:{value:/*@__PURE__*/new Matrix3()}}};var ShaderLib={basic:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.common,UniformsLib.specularmap,UniformsLib.envmap,UniformsLib.aomap,UniformsLib.lightmap,UniformsLib.fog]),vertexShader:ShaderChunk.meshbasic_vert,fragmentShader:ShaderChunk.meshbasic_frag},lambert:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.common,UniformsLib.specularmap,UniformsLib.envmap,UniformsLib.aomap,UniformsLib.lightmap,UniformsLib.emissivemap,UniformsLib.fog,UniformsLib.lights,{emissive:{value:/*@__PURE__*/new Color(0x000000)}}]),vertexShader:ShaderChunk.meshlambert_vert,fragmentShader:ShaderChunk.meshlambert_frag},phong:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.common,UniformsLib.specularmap,UniformsLib.envmap,UniformsLib.aomap,UniformsLib.lightmap,UniformsLib.emissivemap,UniformsLib.bumpmap,UniformsLib.normalmap,UniformsLib.displacementmap,UniformsLib.fog,UniformsLib.lights,{emissive:{value:/*@__PURE__*/new Color(0x000000)},specular:{value:/*@__PURE__*/new Color(0x111111)},shininess:{value:30}}]),vertexShader:ShaderChunk.meshphong_vert,fragmentShader:ShaderChunk.meshphong_frag},standard:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.common,UniformsLib.envmap,UniformsLib.aomap,UniformsLib.lightmap,UniformsLib.emissivemap,UniformsLib.bumpmap,UniformsLib.normalmap,UniformsLib.displacementmap,UniformsLib.roughnessmap,UniformsLib.metalnessmap,UniformsLib.fog,UniformsLib.lights,{emissive:{value:/*@__PURE__*/new Color(0x000000)},roughness:{value:1.0},metalness:{value:0.0},envMapIntensity:{value:1}// temporary
546}]),vertexShader:ShaderChunk.meshphysical_vert,fragmentShader:ShaderChunk.meshphysical_frag},toon:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.common,UniformsLib.aomap,UniformsLib.lightmap,UniformsLib.emissivemap,UniformsLib.bumpmap,UniformsLib.normalmap,UniformsLib.displacementmap,UniformsLib.gradientmap,UniformsLib.fog,UniformsLib.lights,{emissive:{value:/*@__PURE__*/new Color(0x000000)}}]),vertexShader:ShaderChunk.meshtoon_vert,fragmentShader:ShaderChunk.meshtoon_frag},matcap:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.common,UniformsLib.bumpmap,UniformsLib.normalmap,UniformsLib.displacementmap,UniformsLib.fog,{matc

546ap:{value:null}}]),vertexShader:ShaderChunk.meshmatcap_vert,fragmentShader:ShaderChunk.meshmatcap_frag},points:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.points,UniformsLib.fog]),vertexShader:ShaderChunk.points_vert,fragmentShader:ShaderChunk.points_frag},dashed:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.common,UniformsLib.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:ShaderChunk.linedashed_vert,fragmentShader:ShaderChunk.linedashed_frag},depth:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.common,UniformsLib.displacementmap]),vertexShader:ShaderChunk.depth_vert,fragmentShader:ShaderChunk.depth_frag},normal:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.common,UniformsLib.bumpmap,UniformsLib.normalmap,UniformsLib.displacementmap,{opacity:{value:1.0}}]),vertexShader:ShaderChunk.meshnormal_vert,fragmentShader:ShaderChunk.meshnormal_frag},sprite:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.sprite,UniformsLib.fog]),vertexShader:ShaderChunk.sprite_vert,fragmentShader:ShaderChunk.sprite_frag},background:{uniforms:{uvTransform:{value:/*@__PURE__*/new Matrix3()},t2D:{value:null}},vertexShader:ShaderChunk.background_vert,fragmentShader:ShaderChunk.background_frag},cube:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.envmap,{opacity:{value:1.0}}]),vertexShader:ShaderChunk.cube_vert,fragmentShader:ShaderChunk.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:ShaderChunk.equirect_vert,fragmentShader:ShaderChunk.equirect_frag},distanceRGBA:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.common,UniformsLib.displacementmap,{referencePosition:{value:/*@__PURE__*/new Vector3()},nearDistance:{value:1},farDistance:{value:1000}}]),vertexShader:ShaderChunk.distanceRGBA_vert,fragmentShader:ShaderChunk.distanceRGBA_frag},shadow:{uniforms:/*@__PURE__*/mergeUniforms([UniformsLib.lights,UniformsLib.fog,{color:{value:/*@__PURE__*/new Color(0x00000)},opacity:{value:1.0}}]),vertexShader:ShaderChunk.shadow_vert,fragmentShader:ShaderChunk.shadow_frag}};ShaderLib.physical={uniforms:/*@__PURE__*/mergeUniforms([ShaderLib.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:/*@__PURE__*/new Vector2(1,1)},clearcoatNormalMap:{value:null},iridescence:{value:0},iridescenceMap:{value:null},iridescenceIOR:{value:1.3},iridescenceThicknessMinimum:{value:100},iridescenceThicknessMaximum:{value:400},iridescenceThicknessMap:{value:null},sheen:{value:0},sheenColor:{value:/*@__PURE__*/new Color(0x000000)},sheenColorMap:{value:null},sheenRoughness:{value:1},sheenRoughnessMap:{value:null},transmission:{value:0},transmissionMap:{value:null},transmissionSamplerSize:{value:/*@__PURE__*/new Vector2()},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},attenuationDistance:{value:0},attenuationColor:{value:/*@__PURE__*/new Color(0x000000)},specularIntensity:{value:1},specularIntensityMap:{value:null},specularColor:{value:/*@__PURE__*/new Color(1,1,1)},specularColorMap:{value:null}}]),vertexShader:ShaderChunk.meshphysical_vert,fragmentShader:ShaderChunk.meshphysical_frag};function WebGLBackground(renderer,cubemaps,state,objects,alpha,premultipliedAlpha){var clearColor=new Color(0x000000);var clearAlpha=alpha===true?0:1;var planeMesh;var boxMesh;var currentBackground=null;var currentBackgroundVersion=0;var currentTonemapping=null;function render(renderList,scene){var forceClear=false;var background=scene.isScene===true?scene.background:null;if(background&&background.isTexture){background=cubemaps.get(background);}// Ignore background in AR
547// TODO: Reconsider this.
548var xr=renderer.xr;var session=xr.getSession&&xr.getSession();if(session&&session.environmentBlendMode==='additive'){background=null;}if(background===null){setClear(clearColor,clearAlpha);}else if(background&&background.isColor){setClear(background,1);forceClear=true;}if(renderer.autoClear||forceClear){renderer.clear(renderer.autoClearColor,renderer.autoClearDepth,renderer.autoClearStencil);}if(background&&(background.isCubeTexture||background.mapping===CubeUVReflectionMapping)){if(boxMesh===undefined){boxMesh=new Mesh(new BoxGeometry(1,1,1),new ShaderMaterial({name:'Backgroun

548dCubeMaterial',uniforms:cloneUniforms(ShaderLib.cube.uniforms),vertexShader:ShaderLib.cube.vertexShader,fragmentShader:ShaderLib.cube.fragmentShader,side:BackSide,depthTest:false,depthWrite:false,fog:false}));boxMesh.geometry.deleteAttribute('normal');boxMesh.geometry.deleteAttribute('uv');boxMesh.onBeforeRender=function(renderer,scene,camera){this.matrixWorld.copyPosition(camera.matrixWorld);};// enable code injection for non-built-in material
549Object.defineProperty(boxMesh.material,'envMap',{get:function get(){return this.uniforms.envMap.value;}});objects.update(boxMesh);}boxMesh.material.uniforms.envMap.value=background;boxMesh.material.uniforms.flipEnvMap.value=background.isCubeTexture&&background.isRenderTargetTexture===false?-1:1;if(currentBackground!==background||currentBackgroundVersion!==background.version||currentTonemapping!==renderer.toneMapping){boxMesh.material.needsUpdate=true;currentBackground=background;currentBackgroundVersion=background.version;currentTonemapping=renderer.toneMapping;}boxMesh.layers.enableAll();// push to the pre-sorted opaque render list
550renderList.unshift(boxMesh,boxMesh.geometry,boxMesh.material,0,0,null);}else if(background&&background.isTexture){if(planeMesh===undefined){planeMesh=new Mesh(new PlaneGeometry(2,2),new ShaderMaterial({name:'BackgroundMaterial',uniforms:cloneUniforms(ShaderLib.background.uniforms),vertexShader:ShaderLib.background.vertexShader,fragmentShader:ShaderLib.background.fragmentShader,side:FrontSide,depthTest:false,depthWrite:false,fog:false}));planeMesh.geometry.deleteAttribute('normal');// enable code injection for non-built-in material
551Object.defineProperty(planeMesh.material,'map',{get:function get(){return this.uniforms.t2D.value;}});objects.update(planeMesh);}planeMesh.material.uniforms.t2D.value=background;if(background.matrixAutoUpdate===true){background.updateMatrix();}planeMesh.material.uniforms.uvTransform.value.copy(background.matrix);if(currentBackground!==background||currentBackgroundVersion!==background.version||currentTonemapping!==renderer.toneMapping){planeMesh.material.needsUpdate=true;currentBackground=background;currentBackgroundVersion=background.version;currentTonemapping=renderer.toneMapping;}planeMesh.layers.enableAll();// push to the pre-sorted opaque render list
552renderList.unshift(planeMesh,planeMesh.geometry,planeMesh.material,0,0,null);}}function setClear(color,alpha){state.buffers.color.setClear(color.r,color.g,color.b,alpha,premultipliedAlpha);}return{getClearColor:function getClearColor(){return clearColor;},setClearColor:function setClearColor(color){var alpha=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;clearColor.set(color);clearAlpha=alpha;setClear(clearColor,clearAlpha);},getClearAlpha:function getClearAlpha(){return clearAlpha;},setClearAlpha:function setClearAlpha(alpha){clearAlpha=alpha;setClear(clearColor,clearAlpha);},render:render};}function WebGLBindingStates(gl,extensions,attributes,capabilities){var maxVertexAttributes=gl.getParameter(gl.MAX_VERTEX_ATTRIBS);var extension=capabilities.isWebGL2?null:extensions.get('OES_vertex_array_object');var vaoAvailable=capabilities.isWebGL2||extension!==null;var bindingStates={};var defaultState=createBindingState(null);var currentState=defaultState;var forceUpdate=false;function setup(object,material,program,geometry,index){var updateBuffers=false;if(vaoAvailable){var state=getBindingState(geometry,program,material);if(currentState!==state){currentState=state;bindVertexArrayObject(currentState.object);}updateBuffers=needsUpdate(object,geometry,program,index);if(updateBuffers)saveCache(object,geometry,program,index);}else{var wireframe=material.wireframe===true;if(currentState.geometry!==geometry.id||currentState.program!==program.id||currentState.wireframe!==wireframe){currentState.geometry=geometry.id;currentState.program=program.id;currentState.wireframe=wireframe;updateBuffers=true;}}if(index!==null){attributes.update(index,gl.ELEMENT_ARRAY_BUFFER);}if(updateBuffers||forceUpdate){forceUpdate=false;setupVertexAttributes(object,material,program,geometry);if(index!==null){gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,attributes.get(index).buffer);}}}function createVertexArrayObject(){if(capabilities.isWebGL2)return gl.createVertexArray();return extension.createVertexArrayOES();}function bindVertexArrayObject(vao){if(capabilities.isWebGL2)return gl.bindVertexArray(vao);return extension.bindVertexArrayOES(vao);}function deleteVertexArrayObject(vao){if(capabilities.isWebGL2)return gl.deleteVertexArray(vao);return extension.deleteVertexArrayOES(vao);}function getBindingState(geometry,program,material){var wireframe=material.wireframe===true;var programMap=bindingStates[geometry.id];if(programMap===undefined){programMap={};bindingStates[geometry.id]=programMap;}var stateMap=programMap[program.id];if(stateMap===undefined){stateMap={};programMap[program.id]=stateMap;}var state=stateMap[wireframe];

552if(state===undefined){state=createBindingState(createVertexArrayObject());stateMap[wireframe]=state;}return state;}function createBindingState(vao){var newAttributes=[];var enabledAttributes=[];var attributeDivisors=[];for(var i=0;i<maxVertexAttributes;i++){newAttributes[i]=0;enabledAttributes[i]=0;attributeDivisors[i]=0;}return{// for backward compatibility on non-VAO support browser
553geometry:null,program:null,wireframe:false,newAttributes:newAttributes,enabledAttributes:enabledAttributes,attributeDivisors:attributeDivisors,object:vao,attributes:{},index:null};}function needsUpdate(object,geometry,program,index){var cachedAttributes=currentState.attributes;var geometryAttributes=geometry.attributes;var attributesNum=0;var programAttributes=program.getAttributes();for(var name in programAttributes){var programAttribute=programAttributes[name];if(programAttribute.location>=0){var cachedAttribute=cachedAttributes[name];var geometryAttribute=geometryAttributes[name];if(geometryAttribute===undefined){if(name==='instanceMatrix'&&object.instanceMatrix)geometryAttribute=object.instanceMatrix;if(name==='instanceColor'&&object.instanceColor)geometryAttribute=object.instanceColor;}if(cachedAttribute===undefined)return true;if(cachedAttribute.attribute!==geometryAttribute)return true;if(geometryAttribute&&cachedAttribute.data!==geometryAttribute.data)return true;attributesNum++;}}if(currentState.attributesNum!==attributesNum)return true;if(currentState.index!==index)return true;return false;}function saveCache(object,geometry,program,index){var cache={};var attributes=geometry.attributes;var attributesNum=0;var programAttributes=program.getAttributes();for(var name in programAttributes){var programAttribute=programAttributes[name];if(programAttribute.location>=0){var attribute=attributes[name];if(attribute===undefined){if(name==='instanceMatrix'&&object.instanceMatrix)attribute=object.instanceMatrix;if(name==='instanceColor'&&object.instanceColor)attribute=object.instanceColor;}var data={};data.attribute=attribute;if(attribute&&attribute.data){data.data=attribute.data;}cache[name]=data;attributesNum++;}}currentState.attributes=cache;currentState.attributesNum=attributesNum;currentState.index=index;}function initAttributes(){var newAttributes=currentState.newAttributes;for(var i=0,il=newAttributes.length;i<il;i++){newAttributes[i]=0;}}function enableAttribute(attribute){enableAttributeAndDivisor(attribute,0);}function enableAttributeAndDivisor(attribute,meshPerAttribute){var newAttributes=currentState.newAttributes;var enabledAttributes=currentState.enabledAttributes;var attributeDivisors=currentState.attributeDivisors;newAttributes[attribute]=1;if(enabledAttributes[attribute]===0){gl.enableVertexAttribArray(attribute);enabledAttributes[attribute]=1;}if(attributeDivisors[attribute]!==meshPerAttribute){var _extension=capabilities.isWebGL2?gl:extensions.get('ANGLE_instanced_arrays');_extension[capabilities.isWebGL2?'vertexAttribDivisor':'vertexAttribDivisorANGLE'](attribute,meshPerAttribute);attributeDivisors[attribute]=meshPerAttribute;}}function disableUnusedAttributes(){var newAttributes=currentState.newAttributes;var enabledAttributes=currentState.enabledAttributes;for(var i=0,il=enabledAttributes.length;i<il;i++){if(enabledAttributes[i]!==newAttributes[i]){gl.disableVertexAttribArray(i);enabledAttributes[i]=0;}}}function vertexAttribPointer(index,size,type,normalized,stride,offset){if(capabilities.isWebGL2===true&&(type===gl.INT||type===gl.UNSIGNED_INT)){gl.vertexAttribIPointer(index,size,type,stride,offset);}else{gl.vertexAttribPointer(index,size,type,normalized,stride,offset);}}function setupVertexAttributes(object,material,program,geometry){if(capabilities.isWebGL2===false&&(object.isInstancedMesh||geometry.isInstancedBufferGeometry)){if(extensions.get('ANGLE_instanced_arrays')===null)return;}initAttributes();var geometryAttributes=geometry.attributes;var programAttributes=program.getAttributes();var materialDefaultAttributeValues=material.defaultAttributeValues;for(var name in programAttributes){var programAttribute=programAttributes[name];if(programAttribute.location>=0){var geometryAttribute=geometryAttributes[name];if(geometryAttribute===undefined){if(name==='instanceMatrix'&&object.instanceMatrix)geometryAttribute=object.instanceMatrix;if(name==='instanceColor'&&object.instanceColor)geometryAttribute=object.instanceColor;}if(geometryAttribute!==undefined){var normalized=geometryAttribute.normalized;var size=geometryAttribute.itemSize;var attribute=attributes.get(geometryAttribute);// TODO Attribute may not be available on context restore
554if(attribute===undefined)continue;var buffer=attribute.buffer;var type=attribute.type;var bytesPerElement=attribute.bytesPerElement;if(geometryAttribute.isInterleavedBufferAttribute){var data=geometryAttribute.data;var stride=data.stride;var offset=geometryAttribute.offset;if(data.isInstancedInterleavedBuffer){for(var i=0;i<programAttribute.locationSize;i++){enableAttributeAndDivisor(programAttribute.location+i,data.meshPerAttribute);}if(object.isInstancedMesh!==true&&geometry._maxInstanceCount===undefined){geometry._maxInstanceCount=data.meshPerAttribute*data.count;}}else{for(var _i18=0;_i18<programAttribute.locationSize;_i18++){enableAttribute(programAttribute.location+_i18);}}gl.bindBuffer(gl.ARRAY_BUFFER,buffer);for(var _i19=0;_i19<programAttribute.locationSize;_i19++){vertexAttribPointer(programAttribute.location+_i19,size/programAttribute.locationSize,type,normalized,stride*bytesPerElement,(offset+size/programAttribute.locationSize*_i19)*bytesPerElement);}}else{if(geometryAttribute.isInstancedBufferAttribute){for(var _i20=0;_i20<programAttribute.locationSize;_i20++){enableAttributeAndDivisor(programAttribute.location+_i20,geometryAttribute.meshPerAttribute);}if(object.isInstancedMesh!==true&&geometry._maxInstanceCount===undefined){geometry._maxInstanceCount=geometryAttribute.meshPerAttribute*geometryAttribute.count;}}else{for(var _i21=0;_i21<programAttribute.locationSize;_i21++){enableAttribute(programAttribute.location+_i21);}}gl.bindBuffer(gl.ARRAY_BUFFER,buffer);for(var _i22=0;_i22<programAttribute.locationSize;_i22++){vertexAttribPointer(programAttribute.location+_i22,size/programAttribute.locationSize,type,normalized,size*bytesPerElement,size/programAttribute.locationSize*_i22*bytesPerElement);}}}else if(materialDefaultAttributeValues!==undefined){var _value2=materialDefaultAttributeValues[name];if(_value2!==undefined){switch(_value2.length){case 2:gl.vertexAttrib2fv(programAttribute.location,_value2);break;case 3:gl.vertexAttrib3fv(programAttribute.location,_value2);break;case 4:gl.vertexAttrib4fv(programAttribute.location,_value2);break;default:gl.vertexAttrib1fv(programAttribute.location,_value2);}}}}}disableUnusedAttributes();}function dispose(){reset();for(var geometryId in bindingStates){var programMap=bindingStates[geometryId];for(var programId in programMap){var stateMap=programMap[programId];for(var wireframe in stateMap){deleteVertexArrayObject(stateMap[wireframe].object);delete stateMap[wireframe];}delete programMap[programId];}delete bindingStates[geometryId];}}function releaseStatesOfGeometry(geometry){if(bindingStates[geometry.id]===undefined)return;var programMap=bindingStates[geometry.id];for(var programId in programMap){var stateMap=programMap[programId];for(var wireframe in stateMap){deleteVertexArrayObject(stateMap[wireframe].object);delete stateMap[wireframe];}delete programMap[programId];}delete bindingStates[geometry.id];}function releaseStatesOfProgram(program){for(var geometryId in bindingStates){var programMap=bindingStates[geometryId];if(programMap[program.id]===undefined)continue;var stateMap=programMap[program.id];for(var wireframe in stateMap){deleteVertexArrayObject(stateMap[wireframe].object);delete stateMap[wireframe];}delete programMap[program.id];}}function reset(){resetDefaultState();forceUpdate=true;if(currentState===defaultState)return;currentState=defaultState;bindVertexArrayObject(currentState.object);}// for backward-compatibility
555function resetDefaultState(){defaultState.geometry=null;defaultState.program=null;defaultState.wireframe=false;}return{setup:setup,reset:reset,resetDefaultState:resetDefaultState,dispose:dispose,releaseStatesOfGeometry:releaseStatesOfGeometry,releaseStatesOfProgram:releaseStatesOfProgram,initAttributes:initAttributes,enableAttribute:enableAttribute,disableUnusedAttributes:disableUnusedAttributes};}function WebGLBufferRenderer(gl,extensions,info,capabilities){var isWebGL2=capabilities.isWebGL2;var mode;function setMode(value){mode=value;}function render(start,count){gl.drawArrays(mode,start,count);info.update(count,mode,1);}function renderInstances(start,count,primcount){if(primcount===0)return;var extension,methodName;if(isWebGL2){extension=gl;methodName='drawArraysInstanced';}else{extension=extensions.get('ANGLE_instanced_arrays');methodName='drawArraysInstancedANGLE';if(extension===null){console.error('THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_

555instanced_arrays.');return;}}extension[methodName](mode,start,count,primcount);info.update(count,mode,primcount);}//
556this.setMode=setMode;this.render=render;this.renderInstances=renderInstances;}function WebGLCapabilities(gl,extensions,parameters){var maxAnisotropy;function getMaxAnisotropy(){if(maxAnisotropy!==undefined)return maxAnisotropy;if(extensions.has('EXT_texture_filter_anisotropic')===true){var extension=extensions.get('EXT_texture_filter_anisotropic');maxAnisotropy=gl.getParameter(extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT);}else{maxAnisotropy=0;}return maxAnisotropy;}function getMaxPrecision(precision){if(precision==='highp'){if(gl.getShaderPrecisionFormat(gl.VERTEX_SHADER,gl.HIGH_FLOAT).precision>0&&gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER,gl.HIGH_FLOAT).precision>0){return'highp';}precision='mediump';}if(precision==='mediump'){if(gl.getShaderPrecisionFormat(gl.VERTEX_SHADER,gl.MEDIUM_FLOAT).precision>0&&gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER,gl.MEDIUM_FLOAT).precision>0){return'mediump';}}return'lowp';}var isWebGL2=typeof WebGL2RenderingContext!=='undefined'&&gl instanceof WebGL2RenderingContext||typeof WebGL2ComputeRenderingContext!=='undefined'&&gl instanceof WebGL2ComputeRenderingContext;var precision=parameters.precision!==undefined?parameters.precision:'highp';var maxPrecision=getMaxPrecision(precision);if(maxPrecision!==precision){console.warn('THREE.WebGLRenderer:',precision,'not supported, using',maxPrecision,'instead.');precision=maxPrecision;}var drawBuffers=isWebGL2||extensions.has('WEBGL_draw_buffers');var logarithmicDepthBuffer=parameters.logarithmicDepthBuffer===true;var maxTextures=gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS);var maxVertexTextures=gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS);var maxTextureSize=gl.getParameter(gl.MAX_TEXTURE_SIZE);var maxCubemapSize=gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE);var maxAttributes=gl.getParameter(gl.MAX_VERTEX_ATTRIBS);var maxVertexUniforms=gl.getParameter(gl.MAX_VERTEX_UNIFORM_VECTORS);var maxVaryings=gl.getParameter(gl.MAX_VARYING_VECTORS);var maxFragmentUniforms=gl.getParameter(gl.MAX_FRAGMENT_UNIFORM_VECTORS);var vertexTextures=maxVertexTextures>0;var floatFragmentTextures=isWebGL2||extensions.has('OES_texture_float');var floatVertexTextures=vertexTextures&&floatFragmentTextures;var maxSamples=isWebGL2?gl.getParameter(gl.MAX_SAMPLES):0;return{isWebGL2:isWebGL2,drawBuffers:drawBuffers,getMaxAnisotropy:getMaxAnisotropy,getMaxPrecision:getMaxPrecision,precision:precision,logarithmicDepthBuffer:logarithmicDepthBuffer,maxTextures:maxTextures,maxVertexTextures:maxVertexTextures,maxTextureSize:maxTextureSize,maxCubemapSize:maxCubemapSize,maxAttributes:maxAttributes,maxVertexUniforms:maxVertexUniforms,maxVaryings:maxVaryings,maxFragmentUniforms:maxFragmentUniforms,vertexTextures:vertexTextures,floatFragmentTextures:floatFragmentTextures,floatVertexTextures:floatVertexTextures,maxSamples:maxSamples};}function WebGLClipping(properties){var scope=this;var globalState=null,numGlobalPlanes=0,localClippingEnabled=false,renderingShadows=false;var plane=new Plane(),viewNormalMatrix=new Matrix3(),uniform={value:null,needsUpdate:false};this.uniform=uniform;this.numPlanes=0;this.numIntersection=0;this.init=function(planes,enableLocalClipping,camera){var enabled=planes.length!==0||enableLocalClipping||// enable state of previous frame - the clipping code has to
557// run another frame in order to reset the state:
558numGlobalPlanes!==0||localClippingEnabled;localClippingEnabled=enableLocalClipping;globalState=projectPlanes(planes,camera,0);numGlobalPlanes=planes.length;return enabled;};this.beginShadows=function(){renderingShadows=true;projectPlanes(null);};this.endShadows=function(){renderingShadows=false;resetGlobalState();};this.setState=function(material,camera,useCache){var planes=material.clippingPlanes,clipIntersection=material.clipIntersection,clipShadows=material.clipSh

558adows;var materialProperties=properties.get(material);if(!localClippingEnabled||planes===null||planes.length===0||renderingShadows&&!clipShadows){// there's no local clipping
559if(renderingShadows){// there's no global clipping
560projectPlanes(null);}else{resetGlobalState();}}else{var nGlobal=renderingShadows?0:numGlobalPlanes,lGlobal=nGlobal*4;var dstArray=materialProperties.clippingState||null;uniform.value=dstArray;// ensure unique state
561dstArray=projectPlanes(planes,camera,lGlobal,useCache);for(var i=0;i!==lGlobal;++i){dstArray[i]=globalState[i];}materialProperties.clippingState=dstArray;this.numIntersection=clipIntersection?this.numPlanes:0;this.numPlanes+=nGlobal;}};function resetGlobalState(){if(uniform.value!==globalState){uniform.value=globalState;uniform.needsUpdate=numGlobalPlanes>0;}scope.numPlanes=numGlobalPlanes;scope.numIntersection=0;}function projectPlanes(planes,camera,dstOffset,skipTransform){var nPlanes=planes!==null?planes.length:0;var dstArray=null;if(nPlanes!==0){dstArray=uniform.value;if(skipTransform!==true||dstArray===null){var flatSize=dstOffset+nPlanes*4,viewMatrix=camera.matrixWorldInverse;viewNormalMatrix.getNormalMatrix(viewMatrix);if(dstArray===null||dstArray.length<flatSize){dstArray=new Float32Array(flatSize);}for(var i=0,i4=dstOffset;i!==nPlanes;++i,i4+=4){plane.copy(planes[i]).applyMatrix4(viewMatrix,viewNormalMatrix);plane.normal.toArray(dstArray,i4);dstArray[i4+3]=plane.constant;}}uniform.value=dstArray;uniform.needsUpdate=true;}scope.numPlanes=nPlanes;scope.numIntersection=0;return dstArray;}}function WebGLCubeMaps(renderer){var cubemaps=new WeakMap();function mapTextureMapping(texture,mapping){if(mapping===EquirectangularReflectionMapping){texture.mapping=CubeReflectionMapping;}else if(mapping===EquirectangularRefractionMapping){texture.mapping=CubeRefractionMapping;}return texture;}function get(texture){if(texture&&texture.isTexture&&texture.isRenderTargetTexture===false){var mapping=texture.mapping;if(mapping===EquirectangularReflectionMapping||mapping===EquirectangularRefractionMapping){if(cubemaps.has(texture)){var cubemap=cubemaps.get(texture).texture;return mapTextureMapping(cubemap,texture.mapping);}else{var image=texture.image;if(image&&image.height>0){var renderTarget=new WebGLCubeRenderTarget(image.height/2);renderTarget.fromEquirectangularTexture(renderer,texture);cubemaps.set(texture,renderTarget);texture.addEventListener('dispose',onTextureDispose);return mapTextureMapping(renderTarget.texture,texture.mapping);}else{// image not yet ready. try the conversion next frame
562return null;}}}}return texture;}function onTextureDispose(event){var texture=event.target;texture.removeEventListener('dispose',onTextureDispose);var cubemap=cubemaps.get(texture);if(cubemap!==undefined){cubemaps.delete(texture);cubemap.dispose();}}function dispose(){cubemaps=new WeakMap();}return{get:get,dispose:dispose};}var OrthographicCamera=/*#__PURE__*/function(_Camera2){_inherits(OrthographicCamera,_Camera2);var _super31=_createSuper(OrthographicCamera);function OrthographicCamera(){var _this23;var left=arguments.length>0&&arguments[0]!==undefined?arguments[0]:-1;var right=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var top=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;var bottom=arguments.length>3&&arguments[3]!==undefined?arguments[3]:-1;var near=arguments.length>4&&arguments[4]!==undefined?arguments[4]:0.1;var far=arguments.length>5&&arguments[5]!==undefined?arguments[5]:2000;_classCallCheck(this,OrthographicCamera);_this23=_super31.call(this);_this23.isOrthographicCamera=true;_this23.type='OrthographicCamera';_this23.zoom=1;_this23.view=null;_this23.left=left;_this23.right=right;_this23.top=top;_this23.bottom=bottom;_this23.near=near;_this23.far=far;_this23.updateProjectionMatrix();return _this23;}_createClass(OrthographicCamera,[{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(OrthographicCamera.prototype),"copy",this).call(this,source,recursive);this.left=source.left;this.right=source.right;this.top=source.top;this.bottom=source.bottom;this.near=source.near;this.far=source.far;this.zoom=source.zoom;this.view=source.view===null?null:Object.assign({},source.view);return this;}}

562,{key:"setViewOffset",value:function setViewOffset(fullWidth,fullHeight,x,y,width,height){if(this.view===null){this.view={enabled:true,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1};}this.view.enabled=true;this.view.fullWidth=fullWidth;this.view.fullHeight=fullHeight;this.view.offsetX=x;this.view.offsetY=y;this.view.width=width;this.view.height=height;this.updateProjectionMatrix();}},{key:"clearViewOffset",value:function clearViewOffset(){if(this.view!==null){this.view.enabled=false;}this.updateProjectionMatrix();}},{key:"updateProjectionMatrix",value:function updateProjectionMatrix(){var dx=(this.right-this.left)/(2*this.zoom);var dy=(this.top-this.bottom)/(2*this.zoom);var cx=(this.right+this.left)/2;var cy=(this.top+this.bottom)/2;var left=cx-dx;var right=cx+dx;var top=cy+dy;var bottom=cy-dy;if(this.view!==null&&this.view.enabled){var scaleW=(this.right-this.left)/this.view.fullWidth/this.zoom;var scaleH=(this.top-this.bottom)/this.view.fullHeight/this.zoom;left+=scaleW*this.view.offsetX;right=left+scaleW*this.view.width;top-=scaleH*this.view.offsetY;bottom=top-scaleH*this.view.height;}this.projectionMatrix.makeOrthographic(left,right,top,bottom,this.near,this.far);this.projectionMatrixInverse.copy(this.projectionMatrix).invert();}},{key:"toJSON",value:function toJSON(meta){var data=_get(_getPrototypeOf(OrthographicCamera.prototype),"toJSON",this).call(this,meta);data.object.zoom=this.zoom;data.object.left=this.left;data.object.right=this.right;data.object.top=this.top;data.object.bottom=this.bottom;data.object.near=this.near;data.object.far=this.far;if(this.view!==null)data.object.view=Object.assign({},this.view);return data;}}]);return OrthographicCamera;}(Camera);var LOD_MIN=4;// The standard deviations (radians) associated with the extra mips. These are
563// chosen to approximate a Trowbridge-Reitz distribution function times the
564// geometric shadowing function. These sigma values squared must match the
565// variance #defines in cube_uv_reflection_fragment.glsl.js.
566var EXTRA_LOD_SIGMA=[0.125,0.215,0.35,0.446,0.526,0.582];// The maximum length of the blur for loop. Smaller sigmas will use fewer
567// samples and exit early, but not recompile the shader.
568var MAX_SAMPLES=20;var _flatCamera=/*@__PURE__*/new OrthographicCamera();var _clearColor=/*@__PURE__*/new Color();var _oldTarget=null;// Golden Ratio
569var PHI=(1+Math.sqrt(5))/2;var INV_PHI=1/PHI;// Vertices of a dodecahedron (except the opposites, which represent the
570// same axis), used as axis directions evenly spread on a sphere.
571var _axisDirections=[/*@__PURE__*/new Vector3(1,1,1),/*@__PURE__*/new Vector3(-1,1,1),/*@__PURE__*/new Vector3(1,1,-1),/*@__PURE__*/new Vector3(-1,1,-1),/*@__PURE__*/new Vector3(0,PHI,INV_PHI),/*@__PURE__*/new Vector3(0,PHI,-INV_PHI),/*@__PURE__*/new Vector3(INV_PHI,0,PHI),/*@__PURE__*/new Vector3(-INV_PHI,0,PHI),/*@__PURE__*/new Vector3(PHI,INV_PHI,0),/*@__PURE__*/new Vector3(-PHI,INV_PHI,0)];/**
572	 * This class generates a Prefiltered, Mipmapped Radiance Environment Map
573	 * (PMREM) from a cubeMap environment texture. This allows different levels of
574	 * blur to be quickly accessed based on material roughness. It is packed into a
575	 * special CubeUV format that allows us to perform custom interpolation so that
576	 * we can support nonlinear formats such as RGBE. Unlike a traditional mipmap
577	 * chain, it only goes down to the LOD_MIN level (above), and then creates extra
578	 * even more filtered 'mips' at the same LOD_MIN resolution, associated with
579	 * higher roughness levels. In this way we maintain resolution to smoothly
580	 * interpolate diffuse lighting while limiting sampling computation.
581	 *
582	 * Paper: Fast, Accurate Image-Based Lighting
583	 * https://drive.google.com/file/d/15y8r_UpKlU9SvV4ILb0C3qCPecS8pvLz/view
584	*/var PMREMGenerator=/*#__PURE__*/function(){function PMREMGenerator(renderer){_classCallCheck(this,PMREMGenerator);this._renderer=renderer;this._pingPongRenderTarget=null;this._lodMax=0;this._cubeSize=0;this._lodPlanes=[];this._sizeLods=[];this._sigmas=[];this._blurMaterial=null;this._cubemapMaterial=null;this._equirectMaterial=null;this._compileMaterial(this._blurMaterial);}/**
585		 * Generates a PMREM from a supplied Scene, which can be faster than using an
586		 * image if networking bandwidth is low. Optional sigma specifies a blur radius
587		 * in radians to be applied to the scene before PMREM generation. Optional near
588		 * and far planes ensure the scene is rendered in its entirety (the cubeCamera
589		 * is placed at the origin).
590		 */_createClass(PMREMGenerator,[{key:"fromScene",value:function fromScene(scene){var sigma=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var near=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0.1;var far=arguments.length>3&&arguments[3]!==undefined?arguments[3]:100;_oldTarget=this._renderer.getRenderTarget();this._setSize(256);var cubeUVRenderTarget=this._allocateTargets();cubeUVRenderTarget.depthBuffer=true;this._sceneToCubeUV(scene,near,far,cubeUVRenderTarget);if(sigma>0){this._blur(cubeUVRenderTarget,0,0,sigma);}this._applyPMREM(cubeUVRenderTarget);this._cleanup(cubeUVRenderTarget);return cubeUVRenderTarget;}/**
591		 * Generates a PMREM from an equirectangular texture, which can be either LDR
592		 * or HDR. The ideal input image size is 1k (1024 x 512),
593		 * as this matches best with the 256 x 256 cubemap output.
594		 */}

594,{key:"fromEquirectangular",value:function fromEquirectangular(equirectangular){var renderTarget=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;return this._fromTexture(equirectangular,renderTarget);}/**
595		 * Generates a PMREM from an cubemap texture, which can be either LDR
596		 * or HDR. The ideal input cube size is 256 x 256,
597		 * as this matches best with the 256 x 256 cubemap output.
598		 */},{key:"fromCubemap",value:function fromCubemap(cubemap){var renderTarget=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;return this._fromTexture(cubemap,renderTarget);}/**
599		 * Pre-compiles the cubemap shader. You can get faster start-up by invoking this method during
600		 * your texture's network fetch for increased concurrency.
601		 */},{key:"compileCubemapShader",value:function compileCubemapShader(){if(this._cubemapMaterial===null){this._cubemapMaterial=_getCubemapMaterial();this._compileMaterial(this._cubemapMaterial);}}/**
602		 * Pre-compiles the equirectangular shader. You can get faster start-up by invoking this method during
603		 * your texture's network fetch for increased concurrency.
604		 */},{key:"compileEquirectangularShader",value:function compileEquirectangularShader(){if(this._equirectMaterial===null){this._equirectMaterial=_getEquirectMaterial();this._compileMaterial(this._equirectMaterial);}}/**
605		 * Disposes of the PMREMGenerator's internal memory. Note that PMREMGenerator is a static class,
606		 * so you should not need more than one PMREMGenerator object. If you do, calling dispose() on
607		 * one of them will cause any others to also become unusable.
608		 */},{key:"dispose",value:function dispose(){this._dispose();if(this._cubemapMaterial!==null)this._cubemapMaterial.dispose();if(this._equirectMaterial!==null)this._equirectMaterial.dispose();}// private interface
609},{key:"_setSize",value:function _setSize(cubeSize){this._lodMax=Math.floor(Math.log2(cubeSize));this._cubeSize=Math.pow(2,this._lodMax);}},{key:"_dispose",value:function _dispose(){if(this._blurMaterial!==null)this._blurMaterial.dispose();if(this._pingPongRenderTarget!==null)this._pingPongRenderTarget.dispose();for(var i=0;i<this._lodPlanes.length;i++){this._lodPlanes[i].dispose();}}},{key:"_cleanup",value:function _cleanup(outputTarget){this._renderer.setRenderTarget(_oldTarget);outputTarget.scissorTest=false;_setViewport(outputTarget,0,0,outputTarget.width,outputTarget.height);}},{key:"_fromTexture",value:function _fromTexture(texture,renderTarget){if(texture.mapping===CubeReflectionMapping||texture.mapping===CubeRefractionMapping){this._setSize(texture.image.length===0?16:texture.image[0].width||texture.image[0].image.width);}else{// Equirectangular
610this._setSize(texture.image.width/4);}_oldTarget=this._renderer.getRenderTarget();var cubeUVRenderTarget=renderTarget||this._allocateTargets();this._textureToCubeUV(texture,cubeUVRenderTarget);this._applyPMREM(cubeUVRenderTarget);this._cleanup(cubeUVRenderTarget);return cubeUVRenderTarget;}},{key:"_allocateTargets",value:function _allocateTargets(){var width=3*Math.max(this._cubeSize,16*7);var height=4*this._cubeSize;var params={magFilter:LinearFilter,minFilter:LinearFilter,generateMipmaps:false,type:HalfFloatType,format:RGBAFormat,encoding:LinearEncoding,depthBuffer:false};var cubeUVRenderTarget=_createRenderTarget(width,height,params);if(this._pingPongRenderTarget===null||this._pingPongRenderTarget.width!==width){if(this._pingPongRenderTarget!==null){this._dispose();}this._pingPongRenderTarget=_createRenderTarget(width,height,params);var _lodMax=this._lodMax;var _createPlanes2=_createPlanes(_lodMax);this._sizeLods=_createPlanes2.sizeLods;this._lodPlanes=_createPlanes2.lodPlanes;this._sigmas=_createPlanes2.sigmas;this._blurMaterial=_getBlurShader(_lodMax,width,height);}return cubeUVRenderTarget;}},{key:"_compileMaterial",value:function _compileMaterial(material){var tmpMesh=new Mesh(this._lodPlanes[0],material);this._renderer.compile(tmpMesh,_flatCamera);}},{key:"_sceneToCubeUV",value:function _sceneToCubeUV(scene,near,far,cubeUVRenderTarget){var fov=90;var aspect=1;var cubeCamera=new PerspectiveCamera(fov,aspect,near,far);var upSign=[1,-1,1,1,1,1];var forwardSign=[1,1,1,-1,-1,-1];var renderer=this._renderer;var originalAutoClear=renderer.autoClear;var toneMapping=renderer.toneMapping;renderer.getClearColor(_clearColor);renderer.toneMapping=NoToneMapping;renderer.autoClear=false;var backgroundMaterial=new MeshBasicMaterial({name:'PMREM.Backgroun

610d',side:BackSide,depthWrite:false,depthTest:false});var backgroundBox=new Mesh(new BoxGeometry(),backgroundMaterial);var useSolidColor=false;var background=scene.background;if(background){if(background.isColor){backgroundMaterial.color.copy(background);scene.background=null;useSolidColor=true;}}else{backgroundMaterial.color.copy(_clearColor);useSolidColor=true;}for(var i=0;i<6;i++){var col=i%3;if(col===0){cubeCamera.up.set(0,upSign[i],0);cubeCamera.lookAt(forwardSign[i],0,0);}else if(col===1){cubeCamera.up.set(0,0,upSign[i]);cubeCamera.lookAt(0,forwardSign[i],0);}else{cubeCamera.up.set(0,upSign[i],0);cubeCamera.lookAt(0,0,forwardSign[i]);}var size=this._cubeSize;_setViewport(cubeUVRenderTarget,col*size,i>2?size:0,size,size);renderer.setRenderTarget(cubeUVRenderTarget);if(useSolidColor){renderer.render(backgroundBox,cubeCamera);}renderer.render(scene,cubeCamera);}backgroundBox.geometry.dispose();backgroundBox.material.dispose();renderer.toneMapping=toneMapping;renderer.autoClear=originalAutoClear;scene.background=background;}},{key:"_textureToCubeUV",value:function _textureToCubeUV(texture,cubeUVRenderTarget){var renderer=this._renderer;var isCubeTexture=texture.mapping===CubeReflectionMapping||texture.mapping===CubeRefractionMapping;if(isCubeTexture){if(this._cubemapMaterial===null){this._cubemapMaterial=_getCubemapMaterial();}this._cubemapMaterial.uniforms.flipEnvMap.value=texture.isRenderTargetTexture===false?-1:1;}else{if(this._equirectMaterial===null){this._equirectMaterial=_getEquirectMaterial();}}var material=isCubeTexture?this._cubemapMaterial:this._equirectMaterial;var mesh=new Mesh(this._lodPlanes[0],material);var uniforms=material.uniforms;uniforms['envMap'].value=texture;var size=this._cubeSize;_setViewport(cubeUVRenderTarget,0,0,3*size,2*size);renderer.setRenderTarget(cubeUVRenderTarget);renderer.render(mesh,_flatCamera);}},{key:"_applyPMREM",value:function _applyPMREM(cubeUVRenderTarget){var renderer=this._renderer;var autoClear=renderer.autoClear;renderer.autoClear=false;for(var i=1;i<this._lodPlanes.length;i++){var sigma=Math.sqrt(this._sigmas[i]*this._sigmas[i]-this._sigmas[i-1]*this._sigmas[i-1]);var poleAxis=_axisDirections[(i-1)%_axisDirections.length];this._blur(cubeUVRenderTarget,i-1,i,sigma,poleAxis);}renderer.autoClear=autoClear;}/**
611		 * This is a two-pass Gaussian blur for a cubemap. Normally this is done
612		 * vertically and horizontally, but this breaks down on a cube. Here we apply
613		 * the blur latitudinally (around the poles), and then longitudinally (towards
614		 * the poles) to approximate the orthogonally-separable blur. It is least
615		 * accurate at the poles, but still does a decent job.
616		 */},{key:"_blur",value:function _blur(cubeUVRenderTarget,lodIn,lodOut,sigma,poleAxis){var pingPongRenderTarget=this._pingPongRenderTarget;this._halfBlur(cubeUVRenderTarget,pingPongRenderTarget,lodIn,lodOut,sigma,'latitudinal',poleAxis);this._halfBlur(pingPongRenderTarget,cubeUVRenderTarget,lodOut,lodOut,sigma,'longitudinal',poleAxis);}},{key:"_halfBlur",value:function _halfBlur(targetIn,targetOut,lodIn,lodOut,sigmaRadians,direction,poleAxis){var renderer=this._renderer;var blurMaterial=this._blurMaterial;if(direction!=='latitudinal'&&direction!=='longitudinal'){console.error('blur direction must be either latitudinal or longitudinal!');}// Number of standard deviations at which to cut off the discrete approximation.
617var STANDARD_DEVIATIONS=3;var blurMesh=new Mesh(this._lodPlanes[lodOut],blurMaterial);var blurUniforms=blurMaterial.uniforms;var pixels=this._sizeLods[lodIn]-1;var radiansPerPixel=isFinite(sigmaRadians)?Math.PI/(2*pixels):2*Math.PI/(2*MAX_SAMPLES-1);var sigmaPixels=sigmaRadians/radiansPerPixel;var samples=isFinite(sigmaRadians)?1+Math.floor(STANDARD_DEVIATIONS*sigmaPixels):MAX_SAMPLES;if(samples>MAX_SAMPLES){console.warn("sigmaRadians, ".concat(sigmaRadians,", is too large and will clip, as it requested ").concat(samples," samples when the maximum is set to ").concat(MAX_SAMPLES));}var weights=[];var sum=0;for(var i=0;i<MAX_SAMPLES;++i){var _x2=i/sigmaPixels;var weight=Math.exp(-_x2*_x2/2);weights.push(weight);if(i===0){sum+=weight;}else if(i<samples){sum+=2*weight;}}for(var _i23=0;_i23<weights.length;_i23++){weights[_i23]=weights[_i23]/sum;}blurUniforms['envMap'].value=targetIn.texture;blurUniforms['samples'].value=samples;blurUniforms['weights'].value=weights;blurUniforms['latitudinal'].value=direction==='latitudinal';if(poleAxis){blurUniforms['poleAxis'].value=poleAxis;}var _lodMax=this._lodMax;

617blurUniforms['dTheta'].value=radiansPerPixel;blurUniforms['mipInt'].value=_lodMax-lodIn;var outputSize=this._sizeLods[lodOut];var x=3*outputSize*(lodOut>_lodMax-LOD_MIN?lodOut-_lodMax+LOD_MIN:0);var y=4*(this._cubeSize-outputSize);_setViewport(targetOut,x,y,3*outputSize,2*outputSize);renderer.setRenderTarget(targetOut);renderer.render(blurMesh,_flatCamera);}}]);return PMREMGenerator;}();function _createPlanes(lodMax){var lodPlanes=[];var sizeLods=[];var sigmas=[];var lod=lodMax;var totalLods=lodMax-LOD_MIN+1+EXTRA_LOD_SIGMA.length;for(var i=0;i<totalLods;i++){var sizeLod=Math.pow(2,lod);sizeLods.push(sizeLod);var sigma=1.0/sizeLod;if(i>lodMax-LOD_MIN){sigma=EXTRA_LOD_SIGMA[i-lodMax+LOD_MIN-1];}else if(i===0){sigma=0;}sigmas.push(sigma);var texelSize=1.0/(sizeLod-2);var min=-texelSize;var max=1+texelSize;var uv1=[min,min,max,min,max,max,min,min,max,max,min,max];var cubeFaces=6;var vertices=6;var positionSize=3;var uvSize=2;var faceIndexSize=1;var position=new Float32Array(positionSize*vertices*cubeFaces);var uv=new Float32Array(uvSize*vert

617ices*cubeFaces);var faceIndex=new Float32Array(faceIndexSize*vertices*cubeFaces);for(var face=0;face<cubeFaces;face++){var x=face%3*2/3-1;var y=face>2?0:-1;var coordinates=[x,y,0,x+2/3,y,0,x+2/3,y+1,0,x,y,0,x+2/3,y+1,0,x,y+1,0];position.set(coordinates,positionSize*vertices*face);uv.set(uv1,uvSize*vertices*face);var fill=[face,face,face,face,face,face];faceIndex.set(fill,faceIndexSize*vertices*face);}var planes=new BufferGeometry();planes.setAttribute('position',new BufferAttribute(position,positionSize));planes.setAttribute('uv',new BufferAttribute(uv,uvSize));planes.setAttribute('faceIndex',new BufferAttribute(faceIndex,faceIndexSize));lodPlanes.push(planes);if(lod>LOD_MIN){lod--;}}return{lodPlanes:lodPlanes,sizeLods:sizeLods,sigmas:sigmas};}function _createRenderTarget(width,height,params){var cubeUVRenderTarget=new WebGLRenderTarget(width,height,params);cubeUVRenderTarget.texture.mapping=CubeUVReflectionMapping;cubeUVRenderTarget.texture.name='PMREM.cubeUv';cubeUVRenderTarget.scissorTest=true;return cubeUVRenderTarget;}function _setViewport(target,x,y,width,height){target.viewport.set(x,y,width,height);target.scissor.set(x,y,width,height);}function _getBlurShader(lodMax,width,height){var weights=new Float32Array(MAX_SAMPLES);var poleAxis=new Vector3(0,1,0);var shaderMaterial=new ShaderMaterial({name:'SphericalGaussianBlur',defines:{'n':MAX_SAMPLES,'CUBEUV_TEXEL_WIDTH':1.0/width,'CUBEUV_TEXEL_HEIGHT':1.0/height,'CUBEUV_MAX_MIP':"".concat(lodMax,".0")},uniforms:{'envMap':{value:null},'samples':{value:1},'weights':{value:weights},'latitudinal':{value:false},'dTheta':{value:0},'mipInt':{value:0},'poleAxis':{value:poleAxis}},vertexShader:_getCommonVertexShader(),fragmentShader:/* glsl */"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:NoBlending,depthTest:false,depthWrite:false});return shaderMaterial;}function _getEquirectMaterial(){return new ShaderMaterial({name:'EquirectangularToCubeUV',uniforms:{'envMap':{value:null}},vertexShader:_getCommonVertexShader(),fragmentShader:/* glsl */"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:NoBlending,depthTest:false,depthWrite:false});}function _getCubemapMaterial(){return new ShaderMaterial({name:'CubemapToCubeUV',uniforms:{'envMap':{value:null},'flipEnvMap':{value:-1}},vertexShader:_getCommonVertexShader(),fragmentShader:/* glsl */"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:NoBlending,depthTest:false,depthWrite:false});}function _getCommonVertexShader(){return(/* glsl */"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t");}

617function WebGLCubeUVMaps(renderer){var cubeUVmaps=new WeakMap();var pmremGenerator=null;function get(texture){if(texture&&texture.isTexture){var mapping=texture.mapping;var isEquirectMap=mapping===EquirectangularReflectionMapping||mapping===EquirectangularRefractionMapping;var isCubeMap=mapping===CubeReflectionMapping||mapping===CubeRefractionMapping;// equirect/cube map to cubeUV conversion
618if(isEquirectMap||isCubeMap){if(texture.isRenderTargetTexture&&texture.needsPMREMUpdate===true){texture.needsPMREMUpdate=false;var renderTarget=cubeUVmaps.get(texture);if(pmremGenerator===null)pmremGenerator=new PMREMGenerator(renderer);renderTarget=isEquirectMap?pmremGenerator.fromEquirectangular(texture,renderTarget):pmremGenerator.fromCubemap(texture,renderTarget);cubeUVmaps.set(texture,renderTarget);return renderTarget.texture;}else{if(cubeUVmaps.has(texture)){return cubeUVmaps.get(texture).texture;}else{var image=texture.image;if(isEquirectMap&&image&&image.height>0||isCubeMap&&image&&isCubeTextureComplete(image)){if(pmremGenerator===null)pmremGenerator=new PMREMGenerator(renderer);var _renderTarget=isEquirectMap?pmremGenerator.fromEquirectangular(texture):pmremGenerator.fromCubemap(texture);cubeUVmaps.set(texture,_renderTarget);texture.addEventListener('dispose',onTextureDispose);return _renderTarget.texture;}else{// image not yet ready. try the conversion next frame
619return null;}}}}}return texture;}function isCubeTextureComplete(image){var count=0;var length=6;for(var i=0;i<length;i++){if(image[i]!==undefined)count++;}return count===length;}function onTextureDispose(event){var texture=event.target;texture.removeEventListener('dispose',onTextureDispose);var cubemapUV=cubeUVmaps.get(texture);if(cubemapUV!==undefined){cubeUVmaps.delete(texture);cubemapUV.dispose();}}function dispose(){cubeUVmaps=new WeakMap();if(pmremGenerator!==null){pmremGenerator.dispose();pmremGenerator=null;}}return{get:get,dispose:dispose};}function WebGLExtensions(gl){var extensions={};function getExtension(name){if(extensions[name]!==undefined){return extensions[name];}var extension;switch(name){case'WEBGL_depth_texture':extension=gl.getExtension('WEBGL_depth_texture')||gl.getExtension('MOZ_WEBGL_depth_texture')||gl.getExtension('WEBKIT_WEBGL_depth_texture');break;case'EXT_texture_filter_anisotropic':extension=gl.getExtension('EXT_texture_filter_anisotropic')||gl.getExtension('MOZ_EXT_texture_filter_anisotropic')||gl.getExtension('WEBKIT_EXT_texture_filter_anisotropic');break;case'WEBGL_compressed_texture_s3tc':extension=gl.getExtension('WEBGL_compressed_texture_s3tc')||gl.getExtension('MOZ_WEBGL_compressed_texture_s3tc')||gl.getExtension('WEBKIT_WEBGL_compressed_texture_s3tc');break;case'WEBGL_compressed_texture_pvrtc':extension=gl.getExtension('WEBGL_compressed_texture_pvrtc')||gl.getExtension('WEBKIT_WEBGL_compressed_texture_pvrtc');break;default:extension=gl.getExtension(name);}extensions[name]=extension;return extension;}return{has:function has(name){return getExtension(name)!==null;},init:function init(capabilities){if(capabilities.isWebGL2){getExtension('EXT_color_buffer_float');}else{getExtension('WEBGL_depth_texture');getExtension('OES_texture_float');getExtension('OES_texture_half_float');getExtension('OES_texture_half_float_linear');getExtension('OES_standard_derivatives');getExtension('OES_element_index_uint');getExtension('OES_vertex_array_object');getExtension('ANGLE_instanced_arrays');}getExtension('OES_texture_float_linear');getExtension('EXT_color_buffer_half_float');getExtension('WEBGL_multisampled_render_to_texture');},get:function get(name){var extension=getExtension(name);if(extension===null){console.warn('THREE.WebGLRenderer: '+name+' extension not supported.');}return extension;}};}function WebGLGeometries(gl,attributes,info,bindingStates){var geometries={};var wireframeAttributes=new WeakMap();function onGeometryDispose(event){var geometry=event.target;if(geometry.index!==null){attributes.remove(geometry.index);}for(var name in geometry.attributes){attributes.remove(geometry.attributes[name]);}geometry.removeEventListener('dispose',onGeometryDispose);delete geometries[geometry.id];var attribute=wireframeAttributes.get(geometry);if(attribute){attributes.remove(attribute);wireframeAttributes.delete(geometry);}bindingStates.releaseStatesOfGeometry(geometry);if(geometry.isInstancedBufferGeometry===true){delete geometry._maxInstanceCount;}//
620info.memory.geometries--;}function get(object,geometry){if(geometries[geometry.id]===true)return geometry;geometry.addEventListener('dispose',onGeometryDispose);geometries[geometry.id]=true;info.memory.geometries++;return geometry;}function update(geometry){var geometryAttributes=geometry.attributes;

620// Updating index buffer in VAO now. See WebGLBindingStates.
621for(var name in geometryAttributes){attributes.update(geometryAttributes[name],gl.ARRAY_BUFFER);}// morph targets
622var morphAttributes=geometry.morphAttributes;for(var _name3 in morphAttributes){var array=morphAttributes[_name3];for(var i=0,l=array.length;i<l;i++){attributes.update(array[i],gl.ARRAY_BUFFER);}}}function updateWireframeAttribute(geometry){var indices=[];var geometryIndex=geometry.index;var geometryPosition=geometry.attributes.position;var version=0;if(geometryIndex!==null){var array=geometryIndex.array;version=geometryIndex.version;for(var i=0,l=array.length;i<l;i+=3){var a=array[i+0];var b=array[i+1];var c=array[i+2];indices.push(a,b,b,c,c,a);}}else{var _array=geometryPosition.array;version=geometryPosition.version;for(var _i24=0,_l5=_array.length/3-1;_i24<_l5;_i24+=3){var _a4=_i24+0;var _b4=_i24+1;var _c4=_i24+2;indices.push(_a4,_b4,_b4,_c4,_c4,_a4);}}var attribute=new(arrayNeedsUint32(indices)?Uint32BufferAttribute:Uint16BufferAttribute)(indices,1);attribute.version=version;// Updating index buffer in VAO now. See WebGLBindingStates
623//
624var previousAttribute=wireframeAttributes.get(geometry);if(previousAttribute)attributes.remove(previousAttribute);//
625wireframeAttributes.set(geometry,attribute);}function getWireframeAttribute(geometry){var currentAttribute=wireframeAttributes.get(geometry);if(currentAttribute){var geometryIndex=geometry.index;if(geometryIndex!==null){// if the attribute is obsolete, create a new one
626if(currentAttribute.version<geometryIndex.version){updateWireframeAttribute(geometry);}}}else{updateWireframeAttribute(geometry);}return wireframeAttributes.get(geometry);}return{get:get,update:update,getWireframeAttribute:getWireframeAttribute};}function WebGLIndexedBufferRenderer(gl,extensions,info,capabilities){var isWebGL2=capabilities.isWebGL2;var mode;function setMode(value){mode=value;}var type,bytesPerElement;function setIndex(value){type=value.type;bytesPerElement=value.bytesPerElement;}function render(start,count){gl.drawElements(mode,count,type,start*bytesPerElement);info.update(count,mode,1);}function renderInstances(start,count,primcount){if(primcount===0)return;var extension,methodName;if(isWebGL2){extension=gl;methodName='drawElementsInstanced';}else{extension=extensions.get('ANGLE_instanced_arrays');methodName='drawElementsInstancedANGLE';if(extension===null){console.error('THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.');return;}}extension[methodName](mode,count,type,start*bytesPerElement,primcount);info.update(count,mode,primcount);}//
627this.setMode=setMode;this.setIndex=setIndex;this.render=render;this.renderInstances=renderInstances;}function WebGLInfo(gl){var memory={geometries:0,textures:0};var render={frame:0,calls:0,triangles:0,points:0,lines:0};function update(count,mode,instanceCount){render.calls++;switch(mode){case gl.TRIANGLES:render.triangles+=instanceCount*(count/3);break;case gl.LINES:render.lines+=instanceCount*(count/2);break;case gl.LINE_STRIP:render.lines+=instanceCount*(count-1);break;case gl.LINE_LOOP:render.lines+=instanceCount*count;break;case gl.POINTS:render.points+=instanceCount*count;break;default:console.error('THREE.WebGLInfo: Unknown draw mode:',mode);break;}}function reset(){render.frame++;render.calls=0;render.triangles=0;render.points=0;render.lines=0;}return{memory:memory,render:render,programs:null,autoReset:true,reset:reset,update:update};}function numericalSort(a,b){return a[0]-b[0];}function absNumericalSort(a,b){return Math.abs(b[1])-Math.abs(a[1]);}function denormalize(morph,attribute){var denominator=1;var array=attribute.isInterleavedBufferAttribute?attribute.data.array:attribute.array;if(array instanceof Int8Array)denominator=127;else if(array instanceof Uint8Array)denominator=255;else if(array instanceof Uint16Array)denominator=65535;else if(array instanceof Int16Array)denominator=32767;else if(array instanceof Int32Array)denominator=2147483647;else console.error('THREE.WebGLMorphtargets: Unsupported morph attribute data type: ',array);morph.divideScalar(denominator);}function WebGLMorphtargets(gl,capabilities,textures){var influencesList={};var morphInfluences=new Float32Array(8);var morphTextures=new WeakMap();var morph=new Vector4();var workInfluences=[];for(var i=0;i<8;i++){workInfluences[i]=[i,0];}function update(object,geometry,material,program){var objectInfluences=object.morphTargetInfluences;if(capabilities.isWebGL2===true){// instead of using attributes, the WebGL 2 code path encodes morph targets
628// into an array of data textures. Each layer represents a single morph target.
629var morphAttribute=geometry.morphAttributes.position||geometry.morphAttributes.normal||geometry.morphAttributes.color;var morphTargetsCount=morphAttribute!==undefined?morphAttribute.length:0;var entry=morphTextures.get(geometry);if(entry===undefined||entry.count!==morphTargetsCount){var disposeTexture=function disposeTexture(){texture.dispose();morphTextures.delete(geometry);

629geometry.removeEventListener('dispose',disposeTexture);};if(entry!==undefined)entry.texture.dispose();var hasMorphPosition=geometry.morphAttributes.position!==undefined;var hasMorphNormals=geometry.morphAttributes.normal!==undefined;var hasMorphColors=geometry.morphAttributes.color!==undefined;var morphTargets=geometry.morphAttributes.position||[];var morphNormals=geometry.morphAttributes.normal||[];var morphColors=geometry.morphAttributes.color||[];var vertexDataCount=0;if(hasMorphPosition===true)vertexDataCount=1;if(hasMorphNormals===true)vertexDataCount=2;if(hasMorphColors===true)vertexDataCount=3;var width=geometry.attributes.position.count*vertexDataCount;var height=1;if(width>capabilities.maxTextureSize){height=Math.ceil(width/capabilities.maxTextureSize);width=capabilities.maxTextureSize;}var buffer=new Float32Array(width*height*4*morphTargetsCount);var texture=new DataArrayTexture(buffer,width,height,morphTargetsCount);texture.type=FloatType;texture.needsUpdate=true;// fill buffer
630var vertexDataStride=vertexDataCount*4;for(var _i25=0;_i25<morphTargetsCount;_i25++){var morphTarget=morphTargets[_i25];var morphNormal=morphNormals[_i25];var morphColor=morphColors[_i25];var offset=width*height*4*_i25;for(var j=0;j<morphTarget.count;j++){var stride=j*vertexDataStride;if(hasMorphPosition===true){morph.fromBufferAttribute(morphTarget,j);if(morphTarget.normalized===true)denormalize(morph,morphTarget);buffer[offset+stride+0]=morph.x;buffer[offset+stride+1]=morph.y;buffer[offset+stride+2]=morph.z;buffer[offset+stride+3]=0;}if(hasMorphNormals===true){morph.fromBufferAttribute(morphNormal,j);if(morphNormal.normalized===true)denormalize(morph,morphNormal);buffer[offset+stride+4]=morph.x;buffer[offset+stride+5]=morph.y;buffer[offset+stride+6]=morph.z;buffer[offset+stride+7]=0;}if(hasMorphColors===true){morph.fromBufferAttribute(morphColor,j);if(morphColor.normalized===true)denormalize(morph,morphColor);buffer[offset+stride+8]=morph.x;buffer[offset+stride+9]=morph.y;buffer[offset+stride+10]=morph.z;buffer[offset+stride+11]=morphColor.itemSize===4?morph.w:1;}}}entry={count:morphTargetsCount,texture:texture,size:new Vector2(width,height)};morphTextures.set(geometry,entry);geometry.addEventListener('dispose',disposeTexture);}//
631var morphInfluencesSum=0;for(var _i26=0;_i26<objectInfluences.length;_i26++){morphInfluencesSum+=objectInfluences[_i26];}var morphBaseInfluence=geometry.morphTargetsRelative?1:1-morphInfluencesSum;program.getUniforms().setValue(gl,'morphTargetBaseInfluence',morphBaseInfluence);program.getUniforms().setValue(gl,'morphTargetInfluences',objectInfluences);program.getUniforms().setValue(gl,'morphTargetsTexture',entry.texture,textures);program.getUniforms().setValue(gl,'morphTargetsTextureSize',entry.size);}else{// When object doesn't have morph target influences defined, we treat it as a 0-length array
632// This is important to make sure we set up morphTargetBaseInfluence / morphTargetInfluences
633var length=objectInfluences===undefined?0:objectInfluences.length;var influences=influencesList[geometry.id];if(influences===undefined||influences.length!==length){// initialise list
634influences=[];for(var _i27=0;_i27<length;_i27++){influences[_i27]=[_i27,0];}influencesList[geometry.id]=influences;}// Collect influences
635for(var _i28=0;_i28<length;_i28++){var influence=influences[_i28];influence[0]=_i28;influence[1]=objectInfluences[_i28];}influences.sort(absNumericalSort);for(var _i29=0;_i29<8;_i29++){if(_i29<length&&influences[_i29][1]){workInfluences[_i29][0]=influences[_i29][0];workInfluences[_i29][1]=influences[_i29][1];}else{workInfluences[_i29][0]=Number.MAX_SAFE_INTEGER;workInfluences[_i29][1]=0;}}workInfluences.sort(numericalSort);var _morphTargets=geometry.morphAttributes.position;var _morphNormals=geometry.morphAttributes.normal;var _morphInfluencesSum=0;for(var _i30=0;_i30<8;_i30++){var _influence=workInfluences[_i30];var index=_influence[0];var _value3=_influence[1];if(index!==Number.MAX_SAFE_INTEGER&&_value3){if(_morphTargets&&geometry.getAttribute('morphTarget'+_i30)!==_morphTargets[index]){geometry.setAttribute('morphTarget'+_i30,_morphTargets[index]);}if(_morphNormals&&geometry.getAttribute('morphNormal'+_i30)!==_morphNormals[index]){geometry.setAttribute('morphNormal'+_i30,_morphNormals[index]);}morphInfluences[_i30]=_value3;_morphInfluencesSum+=_value3;}else{if(_morphTargets&&geometry.hasAttribute('morphTarget'+_i30)===true){geometry.deleteAttribute('morphTarget'+_i30);}if(_morphNormals&&geometry.hasAttribute('morphNormal'+_i30)===true){geometry.deleteAttribute('morphNormal'+_i30);}morphInfluences[_i30]=0;}}// GLSL shader uses formula baseinfluence * base + sum(target * influence)
636// This allows us to switch between absolute morphs and relative morphs without changing shader code
637// When baseinfluence = 1 - sum(influence), the above is equivalent to sum((target - base) * influence)
638var _morphBaseInfluence=geometry.morphTargetsRelative?1:1-_morphInfluencesSum;program.getUniforms().setValue(gl,'morphTargetBaseInfluence',_morphBaseInfluence);program.getUniforms().setValue(gl,'morphTargetInfluences',morphInfluences);}}return{update:update};}function WebGLObjects(gl,geometries,attributes,info){var updateMap=new WeakMap();function update(object){var frame=info.render.frame;var geometry=object.geometry;var buffergeometry=geometries.get(object,geometry);

638// Update once per frame
639if(updateMap.get(buffergeometry)!==frame){geometries.update(buffergeometry);updateMap.set(buffergeometry,frame);}if(object.isInstancedMesh){if(object.hasEventListener('dispose',onInstancedMeshDispose)===false){object.addEventListener('dispose',onInstancedMeshDispose);}attributes.update(object.instanceMatrix,gl.ARRAY_BUFFER);if(object.instanceColor!==null){attributes.update(object.instanceColor,gl.ARRAY_BUFFER);}}return buffergeometry;}function dispose(){updateMap=new WeakMap();}function onInstancedMeshDispose(event){var instancedMesh=event.target;instancedMesh.removeEventListener('dispose',onInstancedMeshDispose);attributes.remove(instancedMesh.instanceMatrix);if(instancedMesh.instanceColor!==null)attributes.remove(instancedMesh.instanceColor);}return{update:update,dispose:dispose};}/**
640	 * Uniforms of a program.
641	 * Those form a tree structure with a special top-level container for the root,
642	 * which you get by calling 'new WebGLUniforms( gl, program )'.
643	 *
644	 *
645	 * Properties of inner nodes including the top-level container:
646	 *
647	 * .seq - array of nested uniforms
648	 * .map - nested uniforms by name
649	 *
650	 *
651	 * Methods of all nodes except the top-level container:
652	 *
653	 * .setValue( gl, value, [textures] )
654	 *
655	 * 		uploads a uniform value(s)
656	 *		the 'textures' parameter is needed for sampler uniforms
657	 *
658	 *
659	 * Static methods of the top-level container (textures factorizations):
660	 *
661	 * .upload( gl, seq, values, textures )
662	 *
663	 * 		sets uniforms in 'seq' to 'values[id].value'
664	 *
665	 * .seqWithValue( seq, values ) : filteredSeq
666	 *
667	 * 		filters 'seq' entries with corresponding entry in values
668	 *
669	 *
670	 * Methods of the top-level container (textures factorizations):
671	 *
672	 * .setValue( gl, name, value, textures )
673	 *
674	 * 		sets uniform with	name 'name' to 'value'
675	 *
676	 * .setOptional( gl, obj, prop )
677	 *
678	 * 		like .set for an optional property of the object
679	 *
680	 */var emptyTexture=/*@__PURE__*/new Texture();var emptyArrayTexture=/*@__PURE__*/new DataArrayTexture();var empty3dTexture=/*@__PURE__*/new Data3DTexture();var emptyCubeTexture=/*@__PURE__*/new CubeTexture();// --- Utilities ---

681// Array Caches (provide typed arrays for temporary by size)
682var arrayCacheF32=[];var arrayCacheI32=[];// Float32Array caches used for uploading Matrix uniforms
683var mat4array=new Float32Array(16);var mat3array=new Float32Array(9);var mat2array=new Float32Array(4);// Flattening for arrays of vectors and matrices
684function flatten(array,nBlocks,blockSize){var firstElem=array[0];if(firstElem<=0||firstElem>0)return array;// unoptimized: ! isNaN( firstElem )
685// see http://jacksondunstan.com/articles/983
686var n=nBlocks*blockSize;var r=arrayCacheF32[n];if(r===undefined){r=new Float32Array(n);arrayCacheF32[n]=r;}if(nBlocks!==0){firstElem.toArray(r,0);for(var i=1,offset=0;i!==nBlocks;++i){offset+=blockSize;array[i].toArray(r,offset);}}return r;}function arraysEqual(a,b){if(a.length!==b.length)return false;for(var i=0,l=a.length;i<l;i++){if(a[i]!==b[i])return false;}return true;}function copyArray(a,b){for(var i=0,l=b.length;i<l;i++){a[i]=b[i];}}// Texture unit allocation
687function allocTexUnits(textures,n){var r=arrayCacheI32[n];if(r===undefined){r=new Int32Array(n);arrayCacheI32[n]=r;}for(var i=0;i!==n;++i){r[i]=textures.allocateTextureUnit();}return r;}// --- Setters ---
688// Note: Defining these methods externally, because they come in a bunch
689// and this way their names minify.
690// Single scalar
691function setValueV1f(gl,v){var cache=this.cache;if(cache[0]===v)return;gl.uniform1f(this.addr,v);cache[0]=v;}// Single float vector (from flat array or THREE.VectorN)
692function setValueV2f(gl,v){var cache=this.cache;if(v.x!==undefined){if(cache[0]!==v.x||cache[1]!==v.y){gl.uniform2f(this.addr,v.x,v.y);cache[0]=v.x;cache[1]=v.y;}}else{if(arraysEqual(cache,v))return;gl.uniform2fv(this.addr,v);copyArray(cache,v);}}function setValueV3f(gl,v){var cache=this.cache;if(v.x!==undefined){if(cache[0]!==v.x||cache[1]!==v.y||cache[2]!==v.z){gl.uniform3f(this.addr,v.x,v.y,v.z);cache[0]=v.x;cache[1]=v.y;cache[2]=v.z;}}else if(v.r!==undefined){if(cache[0]!==v.r||cache[1]!==v.g||cache[2]!==v.b){gl.uniform3f(this.addr,v.r,v.g,v.b);cache[0]=v.r;cache[1]=v.g;cache[2]=v.b;}}else{if(arraysEqual(cache,v))return;gl.uniform3fv(this.addr,v);copyArray(cache,v);}}function setValueV4f(gl,v){var cache=this.cache;if(v.x!==undefined){if(cache[0]!==v.x||cache[1]!==v.y||cache[2]!==v.z||cache[3]!==v.w){gl.uniform4f(this.addr,v.x,v.y,v.z,v.w);cache[0]=v.x;cache[1]=v.y;cache[2]=v.z;cache[3]=v.w;}}else{if(arraysEqual(cache,v))return;gl.uniform4fv(this.addr,v);copyArray(cache,v);}}// Single matrix (from flat array or THREE.MatrixN)
693function setValueM2(gl,v){var cache=this.cache;var elements=v.elements;if(elements===undefined){if(arraysEqual(cache,v))return;gl.uniformMatrix2fv(this.addr,false,v);copyArray(cache,v);}else{if(arraysEqual(cache,elements))return;mat2array.set(elements);gl.uniformMatrix2fv(this.addr,false,mat2array);copyArray(cache,elements);}}function setValueM3(gl,v){var cache=this.cache;var elements=v.elements;if(elements===undefined){if(arraysEqual(cache,v))return;gl.uniformMatrix3fv(this.addr,false,v);copyArray(cache,v);}else{if(arraysEqual(cache,elements))return;mat3array.set(elements);gl.uniformMatrix3fv(this.addr,false,mat3array);copyArray(cache,elements);}}function setValueM4(gl,v){var cache=this.cache;var elements=v.elements;if(elements===undefined){if(arraysEqual(cache,v))return;gl.uniformMatrix4fv(this.addr,false,v);copyArray(cache,v);}else{if(arraysEqual(cache,elements))return;mat4array.set(elements);gl.uniformMatrix4fv(this.addr,false,mat4array);copyArray(cache,elements);}}// Single integer / boolean
694function setValueV1i(gl,v){var cache=this.cache;if(cache[0]===v)return;gl.uniform1i(this.addr,v);cache[0]=v;}// Single integer / boolean vector (from flat array)
695function setValueV2i(gl,v){var cache=this.cache;if(arraysEqual(cache,v))return;gl.uniform2iv(this.addr,v);copyArray(cache,v);}function setValueV3i(gl,v){var cache=this.cache;if(arraysEqual(cache,v))return;gl.uniform3iv(this.addr,v);copyArray(cache,v);}function setValueV4i(gl,v){var cache=this.cache;if(arraysEqual(cache,v))return;gl.uniform4iv(this.addr,v);copyArray(cache,v);}// Single unsigned integer
696function setValueV1ui(gl,v){var cache=this.cache;if(cache[0]===v)return;gl.uniform1ui(this.addr,v);cache[0]=v;}// Single unsigned integer vector (from flat array)
697function setValueV2ui(gl,v){var cache=this.cache;if(arraysEqual(cache,v))return;gl.uniform2uiv(this.addr,v);copyArray(cache,v);}function setValueV3ui(gl,v){var cache=this.cache;if(arraysEqual(cache,v))return;gl.uniform3uiv(this.addr,v);copyArray(cache,v);}function setValueV4ui(gl,v){var cache=this.cache;if(arraysEqual(cache,v))return;gl.uniform4uiv(this.addr,v);copyArray(cache,v);}// Single texture (2D / Cube)
698function setValueT1(gl,v,textures){var cache=this.cache;var unit=textures.allocateTextureUnit();if(cache[0]!==unit){gl.uniform1i(this.addr,unit);

698cache[0]=unit;}textures.setTexture2D(v||emptyTexture,unit);}function setValueT3D1(gl,v,textures){var cache=this.cache;var unit=textures.allocateTextureUnit();if(cache[0]!==unit){gl.uniform1i(this.addr,unit);cache[0]=unit;}textures.setTexture3D(v||empty3dTexture,unit);}function setValueT6(gl,v,textures){var cache=this.cache;var unit=textures.allocateTextureUnit();if(cache[0]!==unit){gl.uniform1i(this.addr,unit);cache[0]=unit;}textures.setTextureCube(v||emptyCubeTexture,unit);}function setValueT2DArray1(gl,v,textures){var cache=this.cache;var unit=textures.allocateTextureUnit();if(cache[0]!==unit){gl.uniform1i(this.addr,unit);cache[0]=unit;}textures.setTexture2DArray(v||emptyArrayTexture,unit);}// Helper to pick the right setter for the singular case
699function getSingularSetter(type){switch(type){case 0x1406:return setValueV1f;// FLOAT
700case 0x8b50:return setValueV2f;// _VEC2
701case 0x8b51:return setValueV3f;// _VEC3
702case 0x8b52:return setValueV4f;// _VEC4
703case 0x8b5a:return setValueM2;// _MAT2
704case 0x8b5b:return setValueM3;// _MAT3
705case 0x8b5c:return setValueM4;// _MAT4
706case 0x1404:case 0x8b56:return setValueV1i;// INT, BOOL
707case 0x8b53:case 0x8b57:return setValueV2i;// _VEC2
708case 0x8b54:case 0x8b58:return setValueV3i;// _VEC3
709case 0x8b55:case 0x8b59:return setValueV4i;// _VEC4
710case 0x1405:return setValueV1ui;// UINT
711case 0x8dc6:return setValueV2ui;// _VEC2
712case 0x8dc7:return setValueV3ui;// _VEC3
713case 0x8dc8:return setValueV4ui;// _VEC4
714case 0x8b5e:// SAMPLER_2D
715case 0x8d66:// SAMPLER_EXTERNAL_OES
716case 0x8dca:// INT_SAMPLER_2D
717case 0x8dd2:// UNSIGNED_INT_SAMPLER_2D
718case 0x8b62:// SAMPLER_2D_SHADOW
719return setValueT1;case 0x8b5f:// SAMPLER_3D
720case 0x8dcb:// INT_SAMPLER_3D
721case 0x8dd3:// UNSIGNED_INT_SAMPLER_3D
722return setValueT3D1;case 0x8b60:// SAMPLER_CUBE
723case 0x8dcc:// INT_SAMPLER_CUBE
724case 0x8dd4:// UNSIGNED_INT_SAMPLER_CUBE
725case 0x8dc5:// SAMPLER_CUBE_SHADOW
726return setValueT6;case 0x8dc1:// SAMPLER_2D_ARRAY
727case 0x8dcf:// INT_SAMPLER_2D_ARRAY
728case 0x8dd7:// UNSIGNED_INT_SAMPLER_2D_ARRAY
729case 0x8dc4:// SAMPLER_2D_ARRAY_SHADOW
730return setValueT2DArray1;}}// Array of scalars
731function setValueV1fArray(gl,v){gl.uniform1fv(this.addr,v);}// Array of vectors (from flat array or array of THREE.VectorN)
732function setValueV2fArray(gl,v){var data=flatten(v,this.size,2);gl.uniform2fv(this.addr,data);}function setValueV3fArray(gl,v){var data=flatten(v,this.size,3);gl.uniform3fv(this.addr,data);}function setValueV4fArray(gl,v){var data=flatten(v,this.size,4);gl.uniform4fv(this.addr,data);}// Array of matrices (from flat array or array of THREE.MatrixN)
733function setValueM2Array(gl,v){var data=flatten(v,this.size,4);gl.uniformMatrix2fv(this.addr,false,data);}function setValueM3Array(gl,v){var data=flatten(v,this.size,9);gl.uniformMatrix3fv(this.addr,false,data);}function setValueM4Array(gl,v){var data=flatten(v,this.size,16);gl.uniformMatrix4fv(this.addr,false,data);}// Array of integer / boolean
734function setValueV1iArray(gl,v){gl.uniform1iv(this.addr,v);}// Array of integer / boolean vectors (from flat array)
735function setValueV2iArray(gl,v){gl.uniform2iv(this.addr,v);}function setValueV3iArray(gl,v){gl.uniform3iv(this.addr,v);}function setValueV4iArray(gl,v){gl.uniform4iv(this.addr,v);}// Array of unsigned integer
736function setValueV1uiArray(gl,v){gl.uniform1uiv(this.addr,v);}// Array of unsigned integer vectors (from flat array)
737function setValueV2uiArray(gl,v){gl.uniform2uiv(this.addr,v);}function setValueV3uiArray(gl,v){gl.uniform3uiv(this.addr,v);}function setValueV4uiArray(gl,v){gl.uniform4uiv(this.addr,v);}// Array of textures (2D / 3D / Cube / 2DArray)
738function setValueT1Array(gl,v,textures){var n=v.length;var units=allocTexUnits(textures,n);gl.uniform1iv(this.addr,units);for(var i=0;i!==n;++i){textures.setTexture2D(v[i]||emptyTexture,units[i]);}}function setValueT3DArray(gl,v,textures){var n=v.length;var units=allocTexUnits(textures,n);gl.uniform1iv(this.addr,units);for(var i=0;i!==n;++i){textures.setTexture3D(v[i]||empty3dTexture,units[i]);}}function setValueT6Array(gl,v,textures){var n=v.length;var units=allocTexUnits(textures,n);gl.uniform1iv(this.addr,units);for(var i=0;i!==n;++i){textures.setTextureCube(v[i]||emptyCubeTexture,units[i]);}}function setValueT2DArrayArray(gl,v,textures){var n=v.length;var units=allocTexUnits(textures,n);gl.uniform1iv(this.addr,units);for(var i=0;i!==n;++i){textures.setTexture2DArray(v[i]||emptyArrayTexture,units[i]);}}// Helper to pick the right setter for a pure (bottom-level) array
739function getPureArraySetter(type){switch(type){case 0x1406:return setValueV1fArray;// FLOAT
740case 0x8b50:return setValueV2fArray;// _VEC2
741case 0x8b51:return setValueV3fArray;// _VEC3
742case 0x8b52:return setValueV4fArray;// _VEC4
743case 0x8b5a:return setValueM2Array;// _MAT2
744case 0x8b5b:return setValueM3Array;// _MAT3
745case 0x8b5c:return setValueM4Array;// _MAT4
746case 0x1404:case 0x8b56:return setValueV1iArray;// INT, BOOL
747case 0x8b53:case 0x8b57:return setValueV2iArray;// _VEC2
748case 0x8b54:case 0x8b58:return setValueV3iArray;// _VEC3
749case 0x8b55:case 0x8b59:return setValueV4iArray;// _VEC4
750case 0x1405:return setValueV1uiArray;// UINT
751case 0x8dc6:return setValueV2uiArray;// _VEC2
752case 0x8dc7:return setValueV3uiArray;// _VEC3
753case 0x8dc8:return setValueV4uiArray;// _VEC4
754case 0x8b5e:// SAMPLER_2D
755case 0x8d66:// SAMPLER_EXTERNAL_OES
756case 0x8dca:// INT_SAMPLER_2D
757case 0x8dd2:// UNSIGNED_INT_SAMPLER_2D
758case 0x8b62:// SAMPLER_2D_SHADOW
759return setValueT1Array;case 0x8b5f:// SAMPLER_3D
760case 0x8dcb:// INT_SAMPLER_3D
761case 0x8dd3:// UNSIGNED_INT_SAMPLER_3D
762return setValueT3DArray;case 0x8b60:// SAMPLER_CUBE
763case 0x8dcc:// INT_SAMPLER_CUBE
764case 0x8dd4:// UNSIGNED_INT_SAMPLER_CUBE
765case 0x8dc5:// SAMPLER_CUBE_SHADOW
766return setValueT6Array;case 0x8dc1:// SAMPLER_2D_ARRAY
767case 0x8dcf:// INT_SAMPLER_2D_ARRAY
768case 0x8dd7:// UNSIGNED_INT_SAMPLER_2D_ARRAY
769case 0x8dc4:// SAMPLER_2D_ARRAY_SHADOW
770return setValueT2DArrayArray;}}// --- Uniform Classes ---
771var SingleUniform=/*#__PURE__*/_createClass(function SingleUniform(id,activeInfo,addr){_classCallCheck(this,SingleUniform);this.id=id;this.addr=addr;this.cache=[];this.setValue=getSingularSetter(activeInfo.type);// this.path = activeInfo.name; // DEBUG
772});var PureArrayUniform=/*#__PURE__*/_createClass(function PureArrayUniform(id,activeInfo,addr){_classCallCheck(this,PureArrayUniform);this.id=id;this.addr=addr;this.cache=[];this.size=activeInfo.size;this.setValue=getPureArraySetter(activeInfo.type);// this.path = activeInfo.name; // DEBUG
773});var StructuredUniform=/*#__PURE__*/function(){function StructuredUniform(id){_classCallCheck(this,StructuredUniform);this.id=id;this.seq=[];this.map={};}_createClass(StructuredUniform,[{key:"setValue",value:function setValue(gl,value,textures){var seq=this.seq;for(var i=0,n=seq.length;i!==n;++i){var u=seq[i];u.setValue(gl,value[u.id],textures);}}}]);return StructuredUniform;}();// --- Top-level ---
774// Parser - builds up the property tree from the path strings
775var RePathPart=/(\w+)(\])?(\[|\.)?/g;// extracts
776// 	- the identifier (member name or array index)
777//	- followed by an optional right bracket (found when array index)
778//	- followed by an optional left bracket or dot (type of subscript)
779//
780// Note: These portions can be read in a non-overlapping fashion and
781// allow straightforward parsing of the hierarchy that WebGL encodes
782// in the uniform names.
783function addUniform(container,uniformObject){container.seq.push(uniformObject);container.map[uniformObject.id]=uniformObject;}function parseUniform(activeInfo,addr,container){var path=activeInfo.name,pathLength=path.length;// reset RegExp object, because of the early exit of a previous run
784RePathPart.lastIndex=0;while(true){var match=RePathPart.exec(path),matchEnd=RePathPart.lastIndex;var _id2=match[1];var idIsIndex=match[2]===']',subscript=match[3];if(idIsIndex)_id2=_id2|0;// convert to integer
785if(subscript===undefined||subscript==='['&&matchEnd+2===pathLength){// bare name or "pure" bottom-level array "[0]" suffix
786addUniform(container,subscript===undefined?new SingleUniform(_id2,activeInfo,addr):new PureArrayUniform(_id2,activeInfo,addr));break;}else{// step into inner node / create it in case it doesn't exist
787var map=container.map;var next=map[_id2];if(next===undefined){next=new StructuredUniform(_id2);addUniform(container,next);}container=next;}}}// Root Container

788var WebGLUniforms=/*#__PURE__*/function(){function WebGLUniforms(gl,program){_classCallCheck(this,WebGLUniforms);this.seq=[];this.map={};var n=gl.getProgramParameter(program,gl.ACTIVE_UNIFORMS);for(var i=0;i<n;++i){var info=gl.getActiveUniform(program,i),addr=gl.getUniformLocation(program,info.name);parseUniform(info,addr,this);}}_createClass(WebGLUniforms,[{key:"setValue",value:function setValue(gl,name,value,textures){var u=this.map[name];if(u!==undefined)u.setValue(gl,value,textures);}},{key:"setOptional",value:function setOptional(gl,object,name){var v=object[name];if(v!==undefined)this.setValue(gl,name,v);}}],[{key:"upload",value:function upload(gl,seq,values,textures){for(var i=0,n=seq.length;i!==n;++i){var u=seq[i],v=values[u.id];if(v.needsUpdate!==false){// note: always updating when .needsUpdate is undefined
789u.setValue(gl,v.value,textures);}}}},{key:"seqWithValue",value:function seqWithValue(seq,values){var r=[];for(var i=0,n=seq.length;i!==n;++i){var u=seq[i];if(u.id in values)r.push(u);}return r;}}]);return WebGLUniforms;}();function WebGLShader(gl,type,string){var shader=gl.createShader(type);gl.shaderSource(shader,string);gl.compileShader(shader);return shader;}var programIdCount=0;function handleSource(string,errorLine){var lines=string.split('\n');var lines2=[];var from=Math.max(errorLine-6,0);var to=Math.min(errorLine+6,lines.length);for(var i=from;i<to;i++){var line=i+1;lines2.push("".concat(line===errorLine?'>':' '," ").concat(line,": ").concat(lines[i]));}return lines2.join('\n');}function getEncodingComponents(encoding){switch(encoding){case LinearEncoding:return['Linear','( value )'];case sRGBEncoding:return['sRGB','( value )'];default:console.warn('THREE.WebGLProgram: Unsupported encoding:',encoding);return['Linear','( value )'];}}function getShaderErrors(gl,shader,type){var status=gl.getShaderParameter(shader,gl.COMPILE_STATUS);var errors=gl.getShaderInfoLog(shader).trim();if(status&&errors==='')return'';var errorMatches=/ERROR: 0:(\d+)/.exec(errors);if(errorMatches){// --enable-privileged-webgl-extension
790// console.log( '**' + type + '**', gl.getExtension( 'WEBGL_debug_shaders' ).getTranslatedShaderSource( shader ) );
791var errorLine=parseInt(errorMatches[1]);return type.toUpperCase()+'\n\n'+errors+'\n\n'+handleSource(gl.getShaderSource(shader),errorLine);}else{return errors;}}function getTexelEncodingFunction(functionName,encoding){var components=getEncodingComponents(encoding);return'vec4 '+functionName+'( vec4 value ) { return LinearTo'+components[0]+components[1]+'; }';}function getToneMappingFunction(functionName,toneMapping){var toneMappingName;switch(toneMapping){case LinearToneMapping:toneMappingName='Linear';break;case ReinhardToneMapping:toneMappingName='Reinhard';break;case CineonToneMapping:toneMappingName='OptimizedCineon';break;case ACESFilmicToneMapping:toneMappingName='ACESFilmic';break;case CustomToneMapping:toneMappingName='Custom';break;default:console.warn('THREE.WebGLProgram: Unsupported toneMapping:',toneMapping);toneMappingName='Linear';}return'vec3 '+functionName+'( vec3 color ) { return '+toneMappingName+'ToneMapping( color ); }';}function generateExtensions(parameters){var chunks=[parameters.extensionDerivatives||!!parameters.envMapCubeUVHeight||parameters.bumpMap||parameters.tangentSpaceNormalMap||parameters.clearcoatNormalMap||parameters.flatShading||parameters.shaderID==='physical'?'#extension GL_OES_standard_derivatives : enable':'',(parameters.extensionFragDepth||parameters.logarithmicDepthBuffer)&&parameters.rendererExtensionFragDepth?'#extension GL_EXT_frag_depth : enable':'',parameters.extensionDrawBuffers&&parameters.rendererExtensionDrawBuffers?'#extension GL_EXT_draw_buffers : require':'',(parameters.extensionShaderTextureLOD||parameters.envMap||parameters.transmission)&&parameters.rendererExtensionShaderTextureLod?'#extension GL_EXT_shader_texture_lod : enable':''];return chunks.filter(filterEmptyLine).join('\n');}function generateDefines(defines){var chunks=[];for(var name in defines){var _value4=defines[name];if(_value4===false)continue;chunks.push('#define '+name+' '+_value4);}return chunks.join('\n');}function fetchAttributeLocations(gl,program){var attributes={};var n=gl.getProgramParameter(program,gl.ACTIVE_ATTRIBUTES);for(var i=0;i<n;i++){var info=gl.getActiveAttrib(program,i);var name=info.name;var locationSize=1;if(info.type===gl.FLOAT_MAT2)locationSize=2;if(info.type===gl.FLOAT_MAT3)locationSize=3;if(info.type===gl.FLOAT_MAT4)locationSize=4;// console.log( 'THREE.WebGLProgram: ACTIVE VERTEX ATTRIBUTE:', name, i );
792attributes[name]={type:info.type,location:gl.getAttribLocation(program,name),locationSize:locationSize};}return attributes;}function filterEmptyLine(string){return string!=='';}function replaceLightNums(string,parameters){return string.replace(/NUM_DIR_LIGHTS/g,parameters.numDirLights).replace(/NUM_SPOT_L

792IGHTS/g,parameters.numSpotLights).replace(/NUM_RECT_AREA_LIGHTS/g,parameters.numRectAreaLights).replace(/NUM_POINT_LIGHTS/g,parameters.numPointLights).replace(/NUM_HEMI_LIGHTS/g,parameters.numHemiLights).replace(/NUM_DIR_LIGHT_SHADOWS/g,parameters.numDirLightShadows).replace(/NUM_SPOT_LIGHT_SHADOWS/g,parameters.numSpotLightShadows).replace(/NUM_POINT_LIGHT_SHADOWS/g,parameters.numPointLightShadows);}function replaceClippingPlaneNums(string,parameters){return string.replace(/NUM_CLIPPING_PLANES/g,parameters.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g,parameters.numClippingPlanes-parameters.numClipIntersection);}// Resolve Includes
793var includePattern=/^[ \t]*#include +<([\w\d./]+)>/gm;function resolveIncludes(string){return string.replace(includePattern,includeReplacer);}function includeReplacer(match,include){var string=ShaderChunk[include];if(string===undefined){throw new Error('Can not resolve #include <'+include+'>');}return resolveIncludes(string);}// Unroll Loops
794var deprecatedUnrollLoopPattern=/#pragma unroll_loop[\s]+?for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g;var unrollLoopPattern=/#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g;function unrollLoops(string){return string.replace(unrollLoopPattern,loopReplacer).replace(deprecatedUnrollLoopPattern,deprecatedLoopReplacer);}function deprecatedLoopReplacer(match,start,end,snippet){console.warn('WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead.');return loopReplacer(match,start,end,snippet);}function loopReplacer(match,start,end,snippet){var string='';for(var i=parseInt(start);i<parseInt(end);i++){string+=snippet.replace(/\[\s*i\s*\]/g,'[ '+i+' ]').replace(/UNROLLED_LOOP_INDEX/g,i);}return string;}//
795function generatePrecision(parameters){var precisionstring='precision '+parameters.precision+' float;\nprecision '+parameters.precision+' int;';if(parameters.precision==='highp'){precisionstring+='\n#define HIGH_PRECISION';}else if(parameters.precision==='mediump'){precisionstring+='\n#define MEDIUM_PRECISION';}else if(parameters.precision==='lowp'){precisionstring+='\n#define LOW_PRECISION';}return precisionstring;}function generateShadowMapTypeDefine(parameters){var shadowMapTypeDefine='SHADOWMAP_TYPE_BASIC';if(parameters.shadowMapType===PCFShadowMap){shadowMapTypeDefine='SHADOWMAP_TYPE_PCF';}else if(parameters.shadowMapType===PCFSoftShadowMap){shadowMapTypeDefine='SHADOWMAP_TYPE_PCF_SOFT';}else if(parameters.shadowMapType===VSMShadowMap){shadowMapTypeDefine='SHADOWMAP_TYPE_VSM';}return shadowMapTypeDefine;}function generateEnvMapTypeDefine(parameters){var envMapTypeDefine='ENVMAP_TYPE_CUBE';if(parameters.envMap){switch(parameters.envMapMode){case CubeReflectionMapping:case CubeRefractionMapping:envMapTypeDefine='ENVMAP_TYPE_CUBE';break;case CubeUVReflectionMapping:envMapTypeDefine='ENVMAP_TYPE_CUBE_UV';break;}}return envMapTypeDefine;}function generateEnvMapModeDefine(parameters){var envMapModeDefine='ENVMAP_MODE_REFLECTION';if(parameters.envMap){switch(parameters.envMapMode){case CubeRefractionMapping:envMapMo

795deDefine='ENVMAP_MODE_REFRACTION';break;}}return envMapModeDefine;}function generateEnvMapBlendingDefine(parameters){var envMapBlendingDefine='ENVMAP_BLENDING_NONE';if(parameters.envMap){switch(parameters.combine){case MultiplyOperation:envMapBlendingDefine='ENVMAP_BLENDING_MULTIPLY';break;case MixOperation:envMapBlendingDefine='ENVMAP_BLENDING_MIX';break;case AddOperation:envMapBlendingDefine='ENVMAP_BLENDING_ADD';break;}}return envMapBlendingDefine;}function generateCubeUVSize(parameters){var imageHeight=parameters.envMapCubeUVHeight;if(imageHeight===null)return null;var maxMip=Math.log2(imageHeight)-2;var texelHeight=1.0/imageHeight;var texelWidth=1.0/(3*Math.max(Math.pow(2,maxMip),7*16));return{texelWidth:texelWidth,texelHeight:texelHeight,maxMip:maxMip};}function WebGLProgram(renderer,cacheKey,parameters,bindingStates){// TODO Send this event to Three.js DevTools
796// console.log( 'WebGLProgram', cacheKey );
797var gl=renderer.getContext();var defines=parameters.defines;var vertexShader=parameters.vertexShader;var fragmentShader=parameters.fragmentShader;var shadowMapTypeDefine=generateShadowMapTypeDefine(parameters);var envMapTypeDefine=generateEnvMapTypeDefine(parameters);var envMapModeDefine=generateEnvMapModeDefine(parameters);var envMapBlendingDefine=generateEnvMapBlendingDefine(parameters);var envMapCubeUVSize=generateCubeUVSize(parameters);var customExtensions=parameters.isWebGL2?'':generateExtensions(parameters);var customDefines=generateDefines(defines);var program=gl.createProgram();var prefixVertex,prefixFragment;var versionString=parameters.glslVersion?'#version '+parameters.glslVersion+'\n':'';if(parameters.isRawShaderMaterial){prefixVertex=[customDefines].filter(filterEmptyLine).join('\n');if(prefixVertex.length>0){prefixVertex+='\n';}prefixFragment=[customExtensions,customDefines].filter(filterEmptyLine).join('\n');if(prefixFragment.length>0){prefixFragment+='\n';}}else{prefixVertex=[generatePrecision(parameters),'#define SHADER_NAME '+parameters.shaderName,customDefines,parameters.instancing?'#define USE_INSTANCING':'',parameters.instancingColor?'#define USE_INSTANCING_COLOR':'',parameters.supportsVertexTextures?'#define VERTEX_TEXTURES':'',parameters.useFog&&parameters.fog?'#define USE_FOG':'',parameters.useFog&&parameters.fogExp2?'#define FOG_EXP2':'',parameters.map?'#define USE_MAP':'',parameters.envMap?'#define USE_ENVMAP':'',parameters.envMap?'#define '+envMapMo

797deDefine:'',parameters.lightMap?'#define USE_LIGHTMAP':'',parameters.aoMap?'#define USE_AOMAP':'',parameters.emissiveMap?'#define USE_EMISSIVEMAP':'',parameters.bumpMap?'#define USE_BUMPMAP':'',parameters.normalMap?'#define USE_NORMALMAP':'',parameters.normalMap&&parameters.objectSpaceNormalMap?'#define OBJECTSPACE_NORMALMAP':'',parameters.normalMap&&parameters.tangentSpaceNormalMap?'#define TANGENTSPACE_NORMALMAP':'',parameters.clearcoatMap?'#define USE_CLEARCOATMAP':'',parameters.clearcoatRoughnessMap?'#define USE_CLEARCOAT_ROUGHNESSMAP':'',parameters.clearcoatNormalMap?'#define USE_CLEARCOAT_NORMALMAP':'',parameters.iridescenceMap?'#define USE_IRIDESCENCEMAP':'',parameters.iridescenceThicknessMap?'#define USE_IRIDESCENCE_THICKNESSMAP':'',parameters.displacementMap&&parameters.supportsVertexTextures?'#define USE_DISPLACEMENTMAP':'',parameters.specularMap?'#define USE_SPECULARMAP':'',parameters.specularIntensityMap?'#define USE_SPECULARINTENSITYMAP':'',parameters.specularColorMap?'#define USE_SPECULARCOLORMAP':'',parameters.roughnessMap?'#define USE_ROUGHNESSMAP':'',parameters.metalnessMap?'#define USE_METALNESSMAP':'',parameters.alphaMap?'#define USE_ALPHAMAP':'',parameters.transmission?'#define USE_TRANSMISSION':'',parameters.transmissionMap?'#define USE_TRANSMISSIONMAP':'',parameters.thicknessMap?'#define USE_THICKNESSMAP':'',parameters.sheenColorMap?'#define USE_SHEENCOLORMAP':'',parameters.sheenRoughnessMap?'#define USE_SHEENROUGHNESSMAP':'',parameters.vertexTangents?'#define USE_TANGENT':'',parameters.vertexColors?'#define USE_COLOR':'',parameters.vertexAlphas?'#define USE_COLOR_ALPHA':'',parameters.vertexUvs?'#define USE_UV':'',parameters.uvsVertexOnly?'#define UVS_VERTEX_ONLY':'',parameters.flatShading?'#define FLAT_SHADED':'',parameters.skinning?'#define USE_SKINNING':'',parameters.morphTargets?'#define USE_MORPHTARGETS':'',parameters.morphNormals&&parameters.flatShading===false?'#define USE_MORPHNORMALS':'',parameters.morphColors&&parameters.isWebGL2?'#define USE_MORPHCOLORS':'',parameters.morphTargetsCount>0&&parameters.isWebGL2?'#define MORPHTARGETS_TEXTURE':'',parameters.morphTargetsCount>0&&parameters.isWebGL2?'#define MORPHTARGETS_TEXTURE_STRIDE '+parameters.morphTextureStride:'',parameters.morphTargetsCount>0&&parameters.isWebGL2?'#define MORPHTARGETS_COUNT '+parameters.morphTargetsCount:'',parameters.doubleSided?'#define DOUBLE_SIDED':'',parameters.flipSided?'#define FLIP_SIDED':'',parameters.shadowMapEnabled?'#define USE_SHADOWMAP':'',parameters.shadowMapEnabled?'#define '+shadowMapTypeDefine:'',parameters.sizeAttenuation?'#define USE_SIZEATTENUATION':'',parameters.logarithmicDepthBuffer?'#define USE_LOGDEPTHBUF':'',parameters.logarithmicDepthBuffer&&parameters.rendererExtensionFragDepth?'#define USE_LOGDEPTHBUF_EXT':'','uniform mat4 modelMatrix;','uniform mat4 modelViewMatrix;','uniform mat4 projectionMatrix;','uniform mat4 viewMatrix;','uniform mat3 normalMatrix;','uniform vec3 cameraPosition;','uniform bool isOrthographic;','#ifdef USE_INSTANCING','	attribute mat4 instanceMatrix;','#endif','#ifdef USE_INSTANCING_COLOR','	attribute vec3 instanceColor;','#endif','attribute vec3 position;','attribute vec3 normal;','attribute vec2 uv;','#ifdef USE_TANGENT','	attribute vec4 tangent;','#endif','#if defined( USE_COLOR_ALPHA )','	attribute vec4 color;','#elif defined( USE_COLOR )','	attribute vec3 color;','#endif','#if ( defined( USE_MORPHTARGETS ) && ! defined( MORPHTARGETS_TEXTURE ) )','	attribute vec3 morphTarget0;','	attribute vec3 morphTarget1;','	attribute vec3 morphTarget2;','	attribute vec3 morphTarget3;','	#ifdef USE_MORPHNORMALS','		attribute vec3 morphNormal0;','		attribute vec3 morphNormal1;','		attribute vec3 morphNormal2;','		attribute vec3 morphNormal3;','	#else','		attribute vec3 morphTarget4;','		attribute vec3 morphTarget5;','		attribute vec3 morphTarget6;','		attribute vec3 morphTarget7;','	#endif','#endif','#ifdef USE_SKINNING','	attribute vec4 skinIndex;','	attribute vec4 skinWeight;','#endif','\n'].filter(filterEmptyLine).join('\n');prefixFragment=[customExtensions,generatePrecision(parameters),'#define SHADER_NAME '+parameters.shaderName,customDefines,parameters.useFog&&parameters.fog?'#define USE_FOG':'',parameters.useFog&&parameters.fogExp2?'#define FOG_EXP2':'',parameters.map?'#define USE_MAP':'',parameters.matc

797ap?'#define USE_MATCAP':'',parameters.envMap?'#define USE_ENVMAP':'',parameters.envMap?'#define '+envMapTypeDefine:'',parameters.envMap?'#define '+envMapModeDefine:'',parameters.envMap?'#define '+envMapBlendingDefine:'',envMapCubeUVSize?'#define CUBEUV_TEXEL_WIDTH '+envMapCubeUVSize.texelWidth:'',envMapCubeUVSize?'#define CUBEUV_TEXEL_HEIGHT '+envMapCubeUVSize.texelHeight:'',envMapCubeUVSize?'#define CUBEUV_MAX_MIP '+envMapCubeUVSize.maxMip+'.0':'',parameters.lightMap?'#define USE_LIGHTMAP':'',parameters.aoMap?'#define USE_AOMAP':'',parameters.emissiveMap?'#define USE_EMISSIVEMAP':'',parameters.bumpMap?'#define USE_BUMPMAP':'',parameters.normalMap?'#define USE_NORMALMAP':'',parameters.normalMap&&parameters.objectSpaceNormalMap?'#define OBJECTSPACE_NORMALMAP':'',parameters.normalMap&&parameters.tangentSpaceNormalMap?'#define TANGENTSPACE_NORMALMAP':'',parameters.clearcoat?'#define USE_CLEARCOAT':'',parameters.clearcoatMap?'#define USE_CLEARCOATMAP':'',parameters.clearcoatRoughnessMap?'#define USE_CLEARCOAT_ROUGHNESSMAP':'',parameters.clearcoatNormalMap?'#define USE_CLEARCOAT_NORMALMAP':'',parameters.iridescence?'#define USE_IRIDESCENCE':'',parameters.iridescenceMap?'#define USE_IRIDESCENCEMAP':'',parameters.iridescenceThicknessMap?'#define USE_IRIDESCENCE_THICKNESSMAP':'',parameters.specularMap?'#define USE_SPECULARMAP':'',parameters.specularIntensityMap?'#define USE_SPECULARINTENSITYMAP':'',parameters.specularColorMap?'#define USE_SPECULARCOLORMAP':'',parameters.roughnessMap?'#define USE_ROUGHNESSMAP':'',parameters.metalnessMap?'#define USE_METALNESSMAP':'',parameters.alphaMap?'#define USE_ALPHAMAP':'',parameters.alphaTest?'#define USE_ALPHATEST':'',parameters.sheen?'#define USE_SHEEN':'',parameters.sheenColorMap?'#define USE_SHEENCOLORMAP':'',parameters.sheenRoughnessMap?'#define USE_SHEENROUGHNESSMAP':'',parameters.transmission?'#define USE_TRANSMISSION':'',parameters.transmissionMap?'#define USE_TRANSMISSIONMAP':'',parameters.thicknessMap?'#define USE_THICKNESSMAP':'',parameters.decodeVideoTexture?'#define DECODE_VIDEO_TEXTURE':'',parameters.vertexTangents?'#define USE_TANGENT':'',parameters.vertexColors||parameters.instancingColor?'#define USE_COLOR':'',parameters.vertexAlphas?'#define USE_COLOR_ALPHA':'',parameters.vertexUvs?'#define USE_UV':'',parameters.uvsVertexOnly?'#define UVS_VERTEX_ONLY':'',parameters.gradientMap?'#define USE_GRADIENTMAP':'',parameters.flatShading?'#define FLAT_SHADED':'',parameters.doubleSided?'#define DOUBLE_SIDED':'',parameters.flipSided?'#define FLIP_SIDED':'',parameters.shadowMapEnabled?'#define USE_SHADOWMAP':'',parameters.shadowMapEnabled?'#define '+shadowMapTypeDefine:'',parameters.premultipliedAlpha?'#define PREMULTIPLIED_ALPHA':'',parameters.physicallyCorrectLights?'#define PHYSICALLY_CORRECT_LIGHTS':'',parameters.logarithmicDepthBuffer?'#define USE_LOGDEPTHBUF':'',parameters.logarithmicDepthBuffer&&parameters.rendererExtensionFragDepth?'#define USE_LOGDEPTHBUF_EXT':'','uniform mat4 viewMatrix;','uniform vec3 cameraPosition;','uniform bool isOrthographic;',parameters.toneMapping!==NoToneMapping?'#define TONE_MAPPING':'',parameters.toneMapping!==NoToneMapping?ShaderChunk['tonemapping_pars_fragment']:'',// this code is required here because it is used by the toneMapping() function defined below
798parameters.toneMapping!==NoToneMapping?getToneMappingFunction('toneMapping',parameters.toneMapping):'',parameters.dithering?'#define DITHERING':'',parameters.opaque?'#define OPAQUE':'',ShaderChunk['encodings_pars_fragment'],// this code is required here because it is used by the various encoding/decoding function defined below
799getTexelEncodingFunction('linearToOutputTexel',parameters.outputEncoding),parameters.useDepthPacking?'#define DEPTH_PACKING '+parameters.depthPacking:'','\n'].filter(filterEmptyLine).join('\n');}vertexShader=resolveIncludes(vertexShader);vertexShader=replaceLightNums(vertexShader,parameters);vertexShader=replaceClippingPlaneNums(vertexShader,parameters);fragmentShader=resolveIncludes(fragmentShader);fragmentShader=replaceLightNums(fragmentShader,parameters);fragmentShader=replaceClippingPlaneNums(fragmentShader,parameters);vertexShader=unrollLoops(vertexShader);fragmentShader=unrollLoops(fragmentShader);if(parameters.isWebGL2&&parameters.isRawShaderMaterial!==true){// GLSL 3.0 conversion for built-in materials and ShaderMaterial
800versionString='#version 300 es\n';prefixVertex=['precision mediump sampler2DArray;','#define attribute in','#define varying out','#define texture2D texture'].join('\n')+'\n'+prefixVertex;prefixFragment=['#define varying in',parameters.glslVersion===GLSL3?'':'layout(location = 0) out highp vec4 pc_fragColor;',parameters.glslVersion===GLSL3?'':'#define gl_FragColor pc_fragColor','#define gl_FragDepthEXT gl_FragDepth','#define texture2D texture','#define textureCube texture','#define texture2DProj textureProj','#define texture2DLodEXT textureLod','#define texture2DProjLodEXT textureProjLod','#define textureCubeLodEXT textureLod','#define texture2DGradEXT textureGrad','#define texture2DProjGradEXT textureProjGrad','#define textureCubeGradEXT textureGrad'].join('\n')+'\n'+prefixFragment;}var vertexGlsl=versionString+prefixVertex+vertexShader;var fragmentGlsl=versionString+prefixFragment+fragmentShader;// console.log( '*VERTEX*', vertexGlsl );
801// console.log( '*FRAGMENT*', fragmentGlsl );
802var glVertexShader=WebGLShader(gl,gl.VERTEX_SHADER,vertexGlsl);var glFragmentShader=WebGLShader(gl,gl.FRAGMENT_SHADER,fragmentGlsl);gl.attachShader(program,glVertexShader);gl.attachShader(program,glFragmentShader);// Force a particular attribute to index 0.
803if(parameters.index0AttributeName!==undefined){gl.bindAttribLocation(program,0,parameters.index0AttributeName);}else if(parameters.morphTargets===true){// programs with morphTargets displace position out of attribute 0
804gl.bindAttribLocation(program,0,'position');}gl.linkProgram(program);// check for link errors

805if(renderer.debug.checkShaderErrors){var programLog=gl.getProgramInfoLog(program).trim();var vertexLog=gl.getShaderInfoLog(glVertexShader).trim();var fragmentLog=gl.getShaderInfoLog(glFragmentShader).trim();var runnable=true;var haveDiagnostics=true;if(gl.getProgramParameter(program,gl.LINK_STATUS)===false){runnable=false;var vertexErrors=getShaderErrors(gl,glVertexShader,'vertex');var fragmentErrors=getShaderErrors(gl,glFragmentShader,'fragment');console.error('THREE.WebGLProgram: Shader Error '+gl.getError()+' - '+'VALIDATE_STATUS '+gl.getProgramParameter(program,gl.VALIDATE_STATUS)+'\n\n'+'Program Info Log: '+programLog+'\n'+vertexErrors+'\n'+fragmentErrors);}else if(programLog!==''){console.warn('THREE.WebGLProgram: Program Info Log:',programLog);}else if(vertexLog===''||fragmentLog===''){haveDiagnostics=false;}if(haveDiagnostics){this.diagnostics={runnable:runnable,programLog:programLog,vertexShader:{log:vertexLog,prefix:prefixVertex},fragmentShader:{log:fragmentLog,prefix:prefixFragment}};}}// Clean up
806// Crashes in iOS9 and iOS10. #18402
807// gl.detachShader( program, glVertexShader );
808// gl.detachShader( program, glFragmentShader );
809gl.deleteShader(glVertexShader);gl.deleteShader(glFragmentShader);// set up caching for uniform locations
810var cachedUniforms;this.getUniforms=function(){if(cachedUniforms===undefined){cachedUniforms=new WebGLUniforms(gl,program);}return cachedUniforms;};// set up caching for attribute locations
811var cachedAttributes;this.getAttributes=function(){if(cachedAttributes===undefined){cachedAttributes=fetchAttributeLocations(gl,program);}return cachedAttributes;};// free resource
812this.destroy=function(){bindingStates.releaseStatesOfProgram(this);gl.deleteProgram(program);this.program=undefined;};//
813this.name=parameters.shaderName;this.id=programIdCount++;this.cacheKey=cacheKey;this.usedTimes=1;this.program=program;this.vertexShader=glVertexShader;this.fragmentShader=glFragmentShader;return this;}var _id=0;var WebGLShaderCache=/*#__PURE__*/function(){function WebGLShaderCache(){_classCallCheck(this,WebGLShaderCache);this.shaderCache=new Map();this.materialCache=new Map();}_createClass(WebGLShaderCache,[{key:"update",value:function update(material){var vertexShader=material.vertexShader;var fragmentShader=material.fragmentShader;var vertexShaderStage=this._getShaderStage(vertexShader);var fragmentShaderStage=this._getShaderStage(fragmentShader);var materialShaders=this._getShaderCacheForMaterial(material);

813if(materialShaders.has(vertexShaderStage)===false){materialShaders.add(vertexShaderStage);vertexShaderStage.usedTimes++;}if(materialShaders.has(fragmentShaderStage)===false){materialShaders.add(fragmentShaderStage);fragmentShaderStage.usedTimes++;}return this;}},{key:"remove",value:function remove(material){var materialShaders=this.materialCache.get(material);var _iterator=_createForOfIteratorHelper(materialShaders),_step;try{for(_iterator.s();!(_step=_iterator.n()).done;){var shaderStage=_step.value;shaderStage.usedTimes--;if(shaderStage.usedTimes===0)this.shaderCache.delete(shaderStage.code);}}catch(err){_iterator.e(err);}finally{_iterator.f();}this.materialCache.delete(material);return this;}},{key:"getVertexShaderID",value:function getVertexShaderID(material){return this._getShaderStage(material.vertexShader).id;}},{key:"getFragmentShaderID",value:function getFragmentShaderID(material){return this._getShaderStage(material.fragmentShader).id;}},{key:"dispose",value:function dispose(){this.shaderCache.clear();this.materialCache.clear();}},{key:"_getShaderCacheForMaterial",value:function _getShaderCacheForMaterial(material){var cache=this.materialCache;if(cache.has(material)===false){cache.set(material,new Set());}return cache.get(material);}},{key:"_getShaderStage",value:function _getShaderStage(code){var cache=this.shaderCache;if(cache.has(code)===false){var stage=new WebGLShaderStage(code);cache.set(code,stage);}return cache.get(code);}}]);return WebGLShaderCache;}();var WebGLShaderStage=/*#__PURE__*/_createClass(function WebGLShaderStage(code){_classCallCheck(this,WebGLShaderStage);this.id=_id++;this.code=code;this.usedTimes=0;});function WebGLPrograms(renderer,cubemaps,cubeuvmaps,extensions,capabilities,bindingStates,clipping){var _programLayers=new Layers();var _customShaders=new WebGLShaderCache();var programs=[];var isWebGL2=capabilities.isWebGL2;var logarithmicDepthBuffer=capabilities.logarithmicDepthBuffer;var vertexTextures=capabilities.vertexTextures;var precision=capabilities.precision;var shaderIDs={MeshDepthMaterial:'depth',MeshDistanceMaterial:'distanceRGBA',MeshNormalMaterial:'normal',MeshBasicMaterial:'basic',MeshLambertMaterial:'lambert',MeshPhongMaterial:'phong',MeshToonMaterial:'toon',MeshStandardMaterial:'physical',MeshPhysicalMaterial:'physical',MeshMatcapMaterial:'matcap',LineBasicMaterial:'basic',LineDashedMaterial:'dashed',PointsMaterial:'points',ShadowMaterial:'shadow',SpriteMaterial:'sprite'};function getParameters(material,lights,shadows,scene,object){var fog=scene.fog;var geometry=object.geometry;var environment=material.isMeshStandardMaterial?scene.environment:null;var envMap=(material.isMeshStandardMaterial?cubeuvmaps:cubemaps).get(material.envMap||environment);var envMapCubeUVHeight=!!envMap&&envMap.mapping===CubeUVReflectionMapping?envMap.image.height:null;var shaderID=shaderIDs[material.type];// heuristics to create shader parameters according to lights in the scene
814// (not to blow over maxLights budget)
815if(material.precision!==null){precision=capabilities.getMaxPrecision(material.precision);if(precision!==material.precision){console.warn('THREE.WebGLProgram.getParameters:',material.precision,'not supported, using',precision,'instead.');}}//
816var morphAttribute=geometry.morphAttributes.position||geometry.morphAttributes.normal||geometry.morphAttributes.color;var morphTargetsCount=morphAttribute!==undefined?morphAttribute.length:0;var morphTextureStride=0;if(geometry.morphAttributes.position!==undefined)morphTextureStride=1;if(geometry.morphAttributes.normal!==undefined)morphTextureStride=2;if(geometry.morphAttributes.color!==undefined)morphTextureStride=3;//
817var vertexShader,fragmentShader;var customVertexShaderID,customFragmentShaderID;if(shaderID){var shader=ShaderLib[shaderID];vertexShader=shader.vertexShader;fragmentShader=shader.fragmentShader;}else{vertexShader=material.vertexShader;fragmentShader=material.fragmentShader;_customShaders.update(material);customVertexShaderID=_customShaders.getVertexShaderID(material);customFragmentShaderID=_customShaders.getFragmentShaderID(material);}var currentRenderTarget=renderer.getRenderTarget();var useAlphaTest=material.alphaTest>0;var useClearcoat=material.clearcoat>0;var useIridescence=material.iridescence>0;var parameters={isWebGL2:isWebGL2,shaderID:shaderID,shaderName:material.type,vertexShader:vertexShader,fragmentShader:fragmentShader,defines:material.defines,customVertexShaderID:customVertexShaderID,customFragmentShaderID:customFragmentShaderID,isRawShaderMaterial:material.isRawShaderMaterial===true,glslVersion:material.glslVersion,precision:precision,instancing:object.isInstancedMesh===true,instancingColor:object.isInstancedMesh===true&&object.instanceColor!==null,supportsVertexTextures:vertexTextures,outputEncoding:currentRenderTarget===null?renderer.outputEncoding:currentRenderTarget.isXRRenderTarget===true?currentRenderTarget.texture.encoding:LinearEncoding,map:!!material.map,matcap:!!material.matcap,envMap:!!envMap,envMapMode:envMap&&envMap.mapping,envMapCubeUVHeight:envMapCubeUVHeight,lightMap:!!material.lightMap,aoMap:!!material.aoMap,emissiveMap:!!material.emissiveMap,bumpMap:!!material.bumpMap,normalMap:!!material.normalMap,objectSpaceNormalMap:material.normalMapType===ObjectSpaceNormalMap,tangentSpaceNormalMap:material.normalMapType===TangentSpaceNormalMap,decodeVideoTexture:!!material.map&&material.map.isVideoTexture===true&&material.map.encoding===sRGBEncoding,clearcoat:useClearcoat,clearcoatMap:useClearcoat&&!!material.clearcoatMap,clearcoatRoughnessMap:useClearcoat&&!!material.clearcoatRoughnessMap,clearcoatNormalMap:useClearcoat&&!!material.clearcoatNormalMap,iridescence:useIridescence,iridescenceMap:useIridescence&&!!material.iridescenceMap,iridescenceThicknessMap:useIridescence&&!!material.iridescenceThicknessMap,displacementMap:!!material.displacementMap,roughnessMap:!!material.roughnessMap,metalnessMap:!!material.metalnessMap,specularMap:!!material.specularMap,specularIntensityMap:!!material.specularIntensityMap,specularColorMap:!!material.specularColorMap,opaque:material.transparent===false&&material.blending===NormalBlending,alphaMap:!!material.alphaMap,alphaTest:useAlphaTest,gradientMap:!!material.gradientMap,sheen:material.sheen>0,sheenColorMap:!!material.sheenColorMap,sheenRoughnessMap:!!material.sheenRoughnessMap,transmission:material.transmission>0,transmissionMap:!!material.transmissionMap,thicknessMap:!!material.thicknessMap,combine:material.combine,vertexTangents:!!material.normalMap&&!!geometry.attributes.tangent,vertexColors:material.vertexColors,vertexAlphas:material.vertexColors===true&&!!geometry.attributes.color&&geometry.attributes.color.itemSize===4,vertexUvs:!!material.map||!!material.bumpMap||!!material.normalMap||!!material.specularMap||!!material.alphaMap||!!material.emissiveMap||!!material.roughnessMap||!!material.metalnessMap||!!material.clearcoatMap||!!material.clearcoatRoughnessMap||!!material.clearcoatNormalMap||!!material.iridescenceMap||!!material.iridescenceThicknessMap||!!material.displacementMap||!!material.transmissionMap||!!material.thicknessMap||!!material.specularIntensityMap||!!material.specularColorMap||!!material.sheenColorMap||!!material.sheenRoughnessMap,uvsVertexOnly:!(!!material.map||!!material.bumpMap||!!material.normalMap||!!material.specularMap||!!material.alphaMap||!!material.emissiveMap||!!material.roughnessMap||!!material.metalnessMap||!!material.clearcoatNormalMap||!!material.iridescenceMap||!!material.iridescenceThicknessMap||material.transmission>0||!!material.transmissionMap||!!material.thicknessMap||!!material.specularIntensityMap||!!material.specularColorMap||material.sheen>0||!!material.sheenColorMap||!!material.sheenRoughnessMap)&&!!material.displacementMap,fog:!!fog,useFog:material.fog===true,fogExp2:fog&&fog.isFogExp2,flatShading:!!material.flatShading,sizeAttenuation:material.sizeAttenuation,logarithmicDepthBuffer:logarithmicDepthBuffer,skinning:object.isSkinnedMesh===true,morphTargets:geometry.morphAttributes.position!==un

817defined,morphNormals:geometry.morphAttributes.normal!==undefined,morphColors:geometry.morphAttributes.color!==undefined,morphTargetsCount:morphTargetsCount,morphTextureStride:morphTextureStride,numDirLights:lights.directional.length,numPointLights:lights.point.length,numSpotLights:lights.spot.length,numRectAreaLights:lights.rectArea.length,numHemiLights:lights.hemi.length,numDirLightShadows:lights.directionalShadowMap.length,numPointLightShadows:lights.pointShadowMap.length,numSpotLightShadows:lights.spotShadowMap.length,numClippingPlanes:clipping.numPlanes,numClipIntersection:clipping.numIntersection,dithering:material.dithering,shadowMapEnabled:renderer.shadowMap.enabled&&shadows.length>0,shadowMapType:renderer.shadowMap.type,toneMapping:material.toneMapped?renderer.toneMapping:NoToneMapping,physicallyCorrectLights:renderer.physicallyCorrectLights,premultipliedAlpha:material.premultipliedAlpha,doubleSided:material.side===DoubleSide,flipSided:material.side===BackSide,useDepthPacking:!!material.depthPacking,depthPacking:material.depthPacking||0,index0AttributeName:material.index0AttributeName,extensionDerivatives:material.extensions&&material.extensions.derivatives,extensionFragDepth:material.extensions&&material.extensions.fragDepth,extensionDrawBuffers:material.extensions&&material.extensions.drawBuffers,extensionShaderTextureLOD:material.extensions&&material.extensions.shaderTextureLOD,rendererExtensionFragDepth:isWebGL2||extensions.has('EXT_frag_depth'),rendererExtensionDrawBuffers:isWebGL2||extensions.has('WEBGL_draw_buffers'),rendererExtensionShaderTextureLod:isWebGL2||extensions.has('EXT_shader_texture_lod'),customProgramCacheKey:material.customProgramCacheKey()};return parameters;}function getProgramCacheKey(parameters){var array=[];if(parameters.shaderID){array.push(parameters.shaderID);}else{array.push(parameters.customVertexShaderID);array.push(parameters.customFragmentShaderID);}if(parameters.defines!==undefined){for(var name in parameters.defines){array.push(name);array.push(parameters.defines[name]);}}if(parameters.isRawShaderMaterial===false){getProgramCacheKeyParameters(array,parameters);getProgramCacheKeyBooleans(array,parameters);array.push(renderer.outputEncoding);}array.push(parameters.customProgramCacheKey);return array.join();}function getProgramCacheKeyParameters(array,parameters){array.push(parameters.precision);array.push(parameters.outputEncoding);array.push(parameters.envMapMode);array.push(parameters.envMapCubeUVHeight);array.push(parameters.combine);array.push(parameters.vertexUvs);array.push(parameters.fogExp2);array.push(parameters.sizeAttenuation);array.push(parameters.morphTargetsCount);array.push(parameters.morphAttributeCount);array.push(parameters.numDirLights);array.push(parameters.numPointLights);array.push(parameters.numSpotLights);array.push(parameters.numHemiLights);array.push(parameters.numRectAreaLights);array.push(parameters.numDirLightShadows);array.push(parameters.numPointLightShadows);array.push(parameters.numSpotLightShadows);array.push(parameters.shadowMapType);array.push(parameters.toneMapping);array.push(parameters.numClippingPlanes);array.push(parameters.numClipIntersection);array.push(parameters.depthPacking);}function getProgramCacheKeyBooleans(array,parameters){_programLayers.disableAll();if(parameters.isWebGL2)_programLayers.enable(0);if(parameters.supportsVertexTextures)_programLayers.enable(1);if(parameters.instancing)_programLayers.enable(2);if(parameters.instancingColor)_programLayers.enable(3);if(parameters.map)_programLayers.enable(4);if(parameters.matcap)_programLayers.enable(5);if(parameters.envMap)_programLayers.enable(6);if(parameters.lightMap)_programLayers.enable(7);if(parameters.aoMap)_programLayers.enable(8);if(parameters.emissiveMap)_programLayers.enable(9);if(parameters.bumpMap)_programLayers.enable(10);if(parameters.normalMap)_programLayers.enable(11);if(parameters.objectSpaceNormalMap)_programLayers.enable(12);if(parameters.tangentSpaceNormalMap)_programLayers.enable(13);if(parameters.clearcoat)_programLayers.enable(14);if(parameters.clearcoatMap)_programLayers.enable(15);if(parameters.clearcoatRoughnessMap)_programLayers.enable(16);if(parameters.clearcoatNormalMap)_programLayers.enable(17);if(parameters.iridescence)_programLayers.enable(18);if(parameters.iridescenceMap)_programLayers.enable(19);

817if(parameters.iridescenceThicknessMap)_programLayers.enable(20);if(parameters.displacementMap)_programLayers.enable(21);if(parameters.specularMap)_programLayers.enable(22);if(parameters.roughnessMap)_programLayers.enable(23);if(parameters.metalnessMap)_programLayers.enable(24);if(parameters.gradientMap)_programLayers.enable(25);if(parameters.alphaMap)_programLayers.enable(26);if(parameters.alphaTest)_programLayers.enable(27);if(parameters.vertexColors)_programLayers.enable(28);if(parameters.vertexAlphas)_programLayers.enable(29);if(parameters.vertexUvs)_programLayers.enable(30);if(parameters.vertexTangents)_programLayers.enable(31);if(parameters.uvsVertexOnly)_programLayers.enable(32);if(parameters.fog)_programLayers.enable(33);array.push(_programLayers.mask);_programLayers.disableAll();if(parameters.useFog)_programLayers.enable(0);if(parameters.flatShading)_programLayers.enable(1);if(parameters.logarithmicDepthBuffer)_programLayers.enable(2);if(parameters.skinning)_programLayers.enable(3);if(parameters.morphTargets)_programLayers.enable(4);if(parameters.morphNormals)_programLayers.enable(5);if(parameters.morphColors)_programLayers.enable(6);if(parameters.premultipliedAlpha)_programLayers.enable(7);if(parameters.shadowMapEnabled)_programLayers.enable(8);if(parameters.physicallyCorrectLights)_programLayers.enable(9);if(parameters.doubleSided)_programLayers.enable(10);if(parameters.flipSided)_programLayers.enable(11);if(parameters.useDepthPacking)_programLayers.enable(12);if(parameters.dithering)_programLayers.enable(13);if(parameters.specularIntensityMap)_programLayers.enable(14);if(parameters.specularColorMap)_programLayers.enable(15);if(parameters.transmission)_programLayers.enable(16);if(parameters.transmissionMap)_programLayers.enable(17);if(parameters.thicknessMap)_programLayers.enable(18);if(parameters.sheen)_programLayers.enable(19);if(parameters.sheenColorMap)_programLayers.enable(20);if(parameters.sheenRoughnessMap)_programLayers.enable(21);if(parameters.decodeVideoTexture)_programLayers.enable(22);if(parameters.opaque)_programLayers.enable(23);array.push(_programLayers.mask);}function getUniforms(material){var shaderID=shaderIDs[material.type];var uniforms;if(shaderID){var shader=ShaderLib[shaderID];uniforms=UniformsUtils.clone(shader.uniforms);}else{uniforms=material.uniforms;}return uniforms;}function acquireProgram(parameters,cacheKey){var program;// Check if code has been already compiled
818for(var p=0,pl=programs.length;p<pl;p++){var preexistingProgram=programs[p];if(preexistingProgram.cacheKey===cacheKey){program=preexistingProgram;++program.usedTimes;break;}}if(program===undefined){program=new WebGLProgram(renderer,cacheKey,parameters,bindingStates);programs.push(program);}return program;}function releaseProgram(program){if(--program.usedTimes===0){// Remove from unordered set
819var i=programs.indexOf(program);programs[i]=programs[programs.length-1];programs.pop();// Free WebGL resources
820program.destroy();}}function releaseShaderCache(material){_customShaders.remove(material);}function dispose(){_customShaders.dispose();}return{getParameters:getParameters,getProgramCacheKey:getProgramCacheKey,getUniforms:getUniforms,acquireProgram:acquireProgram,releaseProgram:releaseProgram,releaseShaderCache:releaseShaderCache,// Exposed for resource monitoring & error feedback via renderer.info:
821programs:programs,dispose:dispose};}function WebGLProperties(){var properties=new WeakMap();function get(object){var map=properties.get(object);if(map===undefined){map={};properties.set(object,map);}return map;}function remove(object){properties.delete(object);}function update(object,key,value){properties.get(object)[key]=value;}function dispose(){properties=new WeakMap();}return{get:get,remove:remove,update:update,dispose:dispose};}function painterSortStable(a,b){if(a.groupOrder!==b.groupOrder){return a.groupOrder-b.groupOrder;}else if(a.renderOrder!==b.renderOrder){return a.renderOrder-b.renderOrder;}else if(a.material.id!==b.material.id){return a.material.id-b.material.id;}else if(a.z!==b.z){return a.z-b.z;}else{return a.id-b.id;}}function reversePainterSortStable(a,b){if(a.groupOrder!==b.groupOrder){return a.groupOrder-b.groupOrder;}else if(a.renderOrder!==b.renderOrder){return a.renderOrder-b.renderOrder;}else if(a.z!==b.z){return b.z-a.z;}else{return a.id-b.id;}}function WebGLRenderList(){var renderItems=[];var renderItemsIndex=0;var opaque=[];var transmissive=[];var transparent=[];

821function init(){renderItemsIndex=0;opaque.length=0;transmissive.length=0;transparent.length=0;}function getNextRenderItem(object,geometry,material,groupOrder,z,group){var renderItem=renderItems[renderItemsIndex];if(renderItem===undefined){renderItem={id:object.id,object:object,geometry:geometry,material:material,groupOrder:groupOrder,renderOrder:object.renderOrder,z:z,group:group};renderItems[renderItemsIndex]=renderItem;}else{renderItem.id=object.id;renderItem.object=object;renderItem.geometry=geometry;renderItem.material=material;renderItem.groupOrder=groupOrder;renderItem.renderOrder=object.renderOrder;renderItem.z=z;renderItem.group=group;}renderItemsIndex++;return renderItem;}function push(object,geometry,material,groupOrder,z,group){var renderItem=getNextRenderItem(object,geometry,material,groupOrder,z,group);if(material.transmission>0.0){transmissive.push(renderItem);}else if(material.transparent===true){transparent.push(renderItem);}else{opaque.push(renderItem);}}function unshift(object,geometry,material,groupOrder,z,group){var renderItem=getNextRenderItem(object,geometry,material,groupOrder,z,group);if(material.transmission>0.0){transmissive.unshift(renderItem);}else if(material.transparent===true){transparent.unshift(renderItem);}else{opaque.unshift(renderItem);}}function sort(customOpaqueSort,customTransparentSort){if(opaque.length>1)opaque.sort(customOpaqueSort||painterSortStable);if(transmissive.length>1)transmissive.sort(customTransparentSort||reversePainterSortStable);if(transparent.length>1)transparent.sort(customTransparentSort||reversePainterSortStable);}function finish(){// Clear references from inactive renderItems in the list
822for(var i=renderItemsIndex,il=renderItems.length;i<il;i++){var renderItem=renderItems[i];if(renderItem.id===null)break;renderItem.id=null;renderItem.object=null;renderItem.geometry=null;renderItem.material=null;renderItem.group=null;}}return{opaque:opaque,transmissive:transmissive,transparent:transparent,init:init,push:push,unshift:unshift,finish:finish,sort:sort};}function WebGLRenderLists(){var lists=new WeakMap();function get(scene,renderCallDepth){var list;if(lists.has(scene)===false){list=new WebGLRenderList();lists.set(scene,[list]);}else{if(renderCallDepth>=lists.get(scene).length){list=new WebGLRenderList();lists.get(scene).push(list);}else{list=lists.get(scene)[renderCallDepth];}}return list;}function dispose(){lists=new WeakMap();}return{get:get,dispose:dispose};}function UniformsCache(){var lights={};return{get:function get(light){if(lights[light.id]!==undefined){return lights[light.id];}var uniforms;switch(light.type){case'DirectionalLight':uniforms={direction:new Vector3(),color:new Color()};break;case'SpotLight':uniforms={position:new Vector3(),direction:new Vector3(),color:new Color(),distance:0,coneCos:0,penumbraCos:0,decay:0};break;case'PointLight':uniforms={position:new Vector3(),color:new Color(),distance:0,decay:0};break;case'HemisphereLight':uniforms={direction:new Vector3(),skyColor:new Color(),groundColor:new Color()};break;case'RectAreaLight':uniforms={color:new Color(),position:new Vector3(),halfWidth:new Vector3(),halfHeight:new Vector3()};break;}lights[light.id]=uniforms;return uniforms;}};}function ShadowUniformsCache(){var lights={};return{get:function get(light){if(lights[light.id]!==undefined){return lights[light.id];}var uniforms;switch(light.type){case'DirectionalLight':uniforms={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Vector2()};break;case'SpotLight':uniforms={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Vector2()};break;case'PointLight':uniforms={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Vector2(),shadowCameraNear:1,shadowCameraFar:1000};break;// TODO (abelnation): set RectAreaLight shadow uniforms
823}lights[light.id]=uniforms;return uniforms;}};}var nextVersion=0;function shadowCastingLightsFirst(lightA,lightB){return(lightB.castShadow?1:0)-(lightA.castShadow?1:0);}function WebGLLights(extensions,capabilities){var cache=new UniformsCache();var shadowCache=ShadowUniformsCache();

823var state={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]};for(var i=0;i<9;i++)state.probe.push(new Vector3());var vector3=new Vector3();var matrix4=new Matrix4();var matrix42=new Matrix4();function setup(lights,physicallyCorrectLights){var r=0,g=0,b=0;for(var _i31=0;_i31<9;_i31++)state.probe[_i31].set(0,0,0);var directionalLength=0;var pointLength=0;var spotLength=0;var rectAreaLength=0;var hemiLength=0;var numDirectionalShadows=0;var numPointShadows=0;var numSpotShadows=0;lights.sort(shadowCastingLightsFirst);// artist-friendly light intensity scaling factor
824var scaleFactor=physicallyCorrectLights!==true?Math.PI:1;for(var _i32=0,l=lights.length;_i32<l;_i32++){var light=lights[_i32];var color=light.color;var intensity=light.intensity;var distance=light.distance;var shadowMap=light.shadow&&light.shadow.map?light.shadow.map.texture:null;if(light.isAmbientLight){r+=color.r*intensity*scaleFactor;g+=color.g*intensity*scaleFactor;b+=color.b*intensity*scaleFactor;}else if(light.isLightProbe){for(var j=0;j<9;j++){state.probe[j].addScaledVector(light.sh.coefficients[j],intensity);}}else if(light.isDirectionalLight){var uniforms=cache.get(light);uniforms.color.copy(light.color).multiplyScalar(light.intensity*scaleFactor);if(light.castShadow){var shadow=light.shadow;var shadowUniforms=shadowCache.get(light);shadowUniforms.shadowBias=shadow.bias;shadowUniforms.shadowNormalBias=shadow.normalBias;shadowUniforms.shadowRadius=shadow.radius;shadowUniforms.shadowMapSize=shadow.mapSize;state.directionalShadow[directionalLength]=shadowUniforms;state.directionalShadowMap[directionalLength]=shadowMap;state.directionalShadowMatrix[directionalLength]=light.shadow.matrix;numDirectionalShadows++;}state.directional[directionalLength]=uniforms;directionalLength++;}else if(light.isSpotLight){var _uniforms=cache.get(light);_uniforms.position.setFromMatrixPosition(light.matrixWorld);_uniforms.color.copy(color).multiplyScalar(intensity*scaleFactor);_uniforms.distance=distance;_uniforms.coneCos=Math.cos(light.angle);_uniforms.penumbraCos=Math.cos(light.angle*(1-light.penumbra));_uniforms.decay=light.decay;if(light.castShadow){var _shadow=light.shadow;var _shadowUniforms=shadowCache.get(light);_shadowUniforms.shadowBias=_shadow.bias;_shadowUniforms.shadowNormalBias=_shadow.normalBias;_shadowUniforms.shadowRadius=_shadow.radius;_shadowUniforms.shadowMapSize=_shadow.mapSize;state.spotShadow[spotLength]=_shadowUniforms;state.spotShadowMap[spotLength]=shadowMap;state.spotShadowMatrix[spotLength]=light.shadow.matrix;numSpotShadows++;}state.spot[spotLength]=_uniforms;spotLength++;}else if(light.isRectAreaLight){var _uniforms2=cache.get(light);// (a) intensity is the total visible light emitted
825//uniforms.color.copy( color ).multiplyScalar( intensity / ( light.width * light.height * Math.PI ) );
826// (b) intensity is the brightness of the light
827_uniforms2.color.copy(color).multiplyScalar(intensity);_uniforms2.halfWidth.set(light.width*0.5,0.0,0.0);_uniforms2.halfHeight.set(0.0,light.height*0.5,0.0);state.rectArea[rectAreaLength]=_uniforms2;rectAreaLength++;}else if(light.isPointLight){var _uniforms3=cache.get(light);_uniforms3.color.copy(light.color).multiplyScalar(light.intensity*scaleFactor);_uniforms3.distance=light.distance;_uniforms3.decay=light.decay;if(light.castShadow){var _shadow2=light.shadow;var _shadowUniforms2=shadowCache.get(light);_shadowUniforms2.shadowBias=_shadow2.bias;_shadowUniforms2.shadowNormalBias=_shadow2.normalBias;_shadowUniforms2.shadowRadius=_shadow2.radius;_shadowUniforms2.shadowMapSize=_shadow2.mapSize;_shadowUniforms2.shadowCameraNear=_shadow2.camera.near;_shadowUniforms2.shadowCameraFar=_shadow2.camera.far;state.pointShadow[pointLength]=_shadowUniforms2;

827state.pointShadowMap[pointLength]=shadowMap;state.pointShadowMatrix[pointLength]=light.shadow.matrix;numPointShadows++;}state.point[pointLength]=_uniforms3;pointLength++;}else if(light.isHemisphereLight){var _uniforms4=cache.get(light);_uniforms4.skyColor.copy(light.color).multiplyScalar(intensity*scaleFactor);_uniforms4.groundColor.copy(light.groundColor).multiplyScalar(intensity*scaleFactor);state.hemi[hemiLength]=_uniforms4;hemiLength++;}}if(rectAreaLength>0){if(capabilities.isWebGL2){// WebGL 2
828state.rectAreaLTC1=UniformsLib.LTC_FLOAT_1;state.rectAreaLTC2=UniformsLib.LTC_FLOAT_2;}else{// WebGL 1
829if(extensions.has('OES_texture_float_linear')===true){state.rectAreaLTC1=UniformsLib.LTC_FLOAT_1;state.rectAreaLTC2=UniformsLib.LTC_FLOAT_2;}else if(extensions.has('OES_texture_half_float_linear')===true){state.rectAreaLTC1=UniformsLib.LTC_HALF_1;state.rectAreaLTC2=UniformsLib.LTC_HALF_2;}else{console.error('THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.');}}}state.ambient[0]=r;state.ambient[1]=g;state.ambient[2]=b;var hash=state.hash;if(hash.directionalLength!==directionalLength||hash.pointLength!==pointLength||hash.spotLength!==spotLength||hash.rectAreaLength!==rectAreaLength||hash.hemiLength!==hemiLength||hash.numDirectionalShadows!==numDirectionalShadows||hash.numPointShadows!==numPointShadows||hash.numSpotShadows!==numSpotShadows){state.directional.length=directionalLength;state.spot.length=spotLength;state.rectArea.length=rectAreaLength;state.point.length=pointLength;state.hemi.length=hemiLength;state.directionalShadow.length=numDirectionalShadows;state.directionalShadowMap.length=numDirectionalShadows;state.pointShadow.length=numPointShadows;state.pointShadowMap.length=numPointShadows;state.spotShadow.length=numSpotShadows;state.spotShadowMap.length=numSpotShadows;state.directionalShadowMatrix.length=numDirectionalShadows;state.pointShadowMatrix.length=numPointShadows;state.spotShadowMatrix.length=numSpotShadows;hash.directionalLength=directionalLength;hash.pointLength=pointLength;hash.spotLength=spotLength;hash.rectAreaLength=rectAreaLength;hash.hemiLength=hemiLength;hash.numDirectionalShadows=numDirectionalShadows;hash.numPointShadows=numPointShadows;hash.numSpotShadows=numSpotShadows;state.version=nextVersion++;}}function setupView(lights,camera){var directionalLength=0;var pointLength=0;var spotLength=0;var rectAreaLength=0;var hemiLength=0;var viewMatrix=camera.matrixWorldInverse;for(var _i33=0,l=lights.length;_i33<l;_i33++){var light=lights[_i33];if(light.isDirectionalLight){var uniforms=state.directional[directionalLength];uniforms.direction.setFromMatrixPosition(light.matrixWorld);vector3.setFromMatrixPosition(light.target.matrixWorld);uniforms.direction.sub(vector3);uniforms.direction.transformDirection(viewMatrix);directionalLength++;}else if(light.isSpotLight){var _uniforms5=state.spot[spotLength];_uniforms5.position.setFromMatrixPosition(light.matrixWorld);_uniforms5.position.applyMatrix4(viewMatrix);_uniforms5.direction.setFromMatrixPosition(light.matrixWorld);vector3.setFromMatrixPosition(light.target.matrixWorld);_uniforms5.direction.sub(vector3);_uniforms5.direction.transformDirection(viewMatrix);spotLength++;}else if(light.isRectAreaLight){var _uniforms6=state.rectArea[rectAreaLength];_uniforms6.position.setFromMatrixPosition(light.matrixWorld);_uniforms6.position.applyMatrix4(viewMatrix);// extract local rotation of light to derive width/height half vectors
830matrix42.identity();matrix4.copy(light.matrixWorld);matrix4.premultiply(viewMatrix);matrix42.extractRotation(matrix4);_uniforms6.halfWidth.set(light.width*0.5,0.0,0.0);_uniforms6.halfHeight.set(0.0,light.height*0.5,0.0);_uniforms6.halfWidth.applyMatrix4(matrix42);_uniforms6.halfHeight.applyMatrix4(matrix42);rectAreaLength++;}else if(light.isPointLight){var _uniforms7=state.point[pointLength];_uniforms7.position.setFromMatrixPosition(light.matrixWorld);_uniforms7.position.applyMatrix4(viewMatrix);pointLength++;}else if(light.isHemisphereLight){var _uniforms8=state.hemi[hemiLength];_uniforms8.direction.setFromMatrixPosition(light.matrixWorld);_uniforms8.direction.transformDirection(viewMatrix);hemiLength++;}}}return{setup:setup,setupView:setupView,state:state};}function WebGLRenderState(extensions,capabilities){var lights=new WebGLLights(extensions,capabilities);var lightsArray=[];var shadowsArray=[];

830function init(){lightsArray.length=0;shadowsArray.length=0;}function pushLight(light){lightsArray.push(light);}function pushShadow(shadowLight){shadowsArray.push(shadowLight);}function setupLights(physicallyCorrectLights){lights.setup(lightsArray,physicallyCorrectLights);}function setupLightsView(camera){lights.setupView(lightsArray,camera);}var state={lightsArray:lightsArray,shadowsArray:shadowsArray,lights:lights};return{init:init,state:state,setupLights:setupLights,setupLightsView:setupLightsView,pushLight:pushLight,pushShadow:pushShadow};}function WebGLRenderStates(extensions,capabilities){var renderStates=new WeakMap();function get(scene){var renderCallDepth=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var renderState;if(renderStates.has(scene)===false){renderState=new WebGLRenderState(extensions,capabilities);renderStates.set(scene,[renderState]);}else{if(renderCallDepth>=renderStates.get(scene).length){renderState=new WebGLRenderState(extensions,capabilities);renderStates.get(scene).push(renderState);}else{renderState=renderStates.get(scene)[renderCallDepth];}}return renderState;}function dispose(){renderStates=new WeakMap();}return{get:get,dispose:dispose};}var MeshDepthMaterial=/*#__PURE__*/function(_Material3){_inherits(MeshDepthMaterial,_Material3);var _super32=_createSuper(MeshDepthMaterial);function MeshDepthMaterial(parameters){var _this24;_classCallCheck(this,MeshDepthMaterial);_this24=_super32.call(this);_this24.isMeshDepthMaterial=true;_this24.type='MeshDepthMaterial';_this24.depthPacking=BasicDepthPacking;_this24.map=null;_this24.alphaMap=null;_this24.displacementMap=null;_this24.displacementScale=1;_this24.displacementBias=0;_this24.wireframe=false;_this24.wireframeLinewidth=1;_this24.setValues(parameters);return _this24;}_createClass(MeshDepthMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(MeshDepthMaterial.prototype),"copy",this).call(this,source);this.depthPacking=source.depthPacking;this.map=source.map;this.alphaMap=source.alphaMap;this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;return this;}}]);return MeshDepthMaterial;}(Material);var MeshDistanceMaterial=/*#__PURE__*/function(_Material4){_inherits(MeshDistanceMaterial,_Material4);var _super33=_createSuper(MeshDistanceMaterial);function MeshDistanceMaterial(parameters){var _this25;_classCallCheck(this,MeshDistanceMaterial);_this25=_super33.call(this);_this25.isMeshDistanceMaterial=true;_this25.type='MeshDistanceMaterial';_this25.referencePosition=new Vector3();_this25.nearDistance=1;_this25.farDistance=1000;_this25.map=null;_this25.alphaMap=null;_this25.displacementMap=null;_this25.displacementScale=1;_this25.displacementBias=0;_this25.setValues(parameters);return _this25;}_createClass(MeshDistanceMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(MeshDistanceMaterial.prototype),"copy",this).call(this,source);this.referencePosition.copy(source.referencePosition);this.nearDistance=source.nearDistance;this.farDistance=source.farDistance;this.map=source.map;this.alphaMap=source.alphaMap;this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;return this;}}]);return MeshDistanceMaterial;}(Material);var vertex="void main() {\n\tgl_Position = vec4( position, 1.0 );\n}";var fragment="uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}";function WebGLShadowMap(_renderer,_objects,_capabilities){var _frustum=new Frustum();var _shadowMapSize=new Vector2(),_viewportSize=new Vector2(),_viewport=new Vector4(),_depthMaterial=new MeshDepthMaterial({depthPacking:RGBADepthPacking}),_distanceMaterial=new MeshDistanceMaterial(),_materialCache={},_maxTextureSize=_capabilities.maxTextureSize;var shadowSide={0:BackSide,1:FrontSide,2:DoubleSide};

830var shadowMaterialVertical=new ShaderMaterial({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new Vector2()},radius:{value:4.0}},vertexShader:vertex,fragmentShader:fragment});var shadowMaterialHorizontal=shadowMaterialVertical.clone();shadowMaterialHorizontal.defines.HORIZONTAL_PASS=1;var fullScreenTri=new BufferGeometry();fullScreenTri.setAttribute('position',new BufferAttribute(new Float32Array([-1,-1,0.5,3,-1,0.5,-1,3,0.5]),3));var fullScreenMesh=new Mesh(fullScreenTri,shadowMaterialVertical);var scope=this;this.enabled=false;this.autoUpdate=true;this.needsUpdate=false;this.type=PCFShadowMap;this.render=function(lights,scene,camera){if(scope.enabled===false)return;if(scope.autoUpdate===false&&scope.needsUpdate===false)return;if(lights.length===0)return;var currentRenderTarget=_renderer.getRenderTarget();var activeCubeFace=_renderer.getActiveCubeFace();var activeMipmapLevel=_renderer.getActiveMipmapLevel();var _state=_renderer.state;// Set GL state for depth map.
831_state.setBlending(NoBlending);_state.buffers.color.setClear(1,1,1,1);_state.buffers.depth.setTest(true);_state.setScissorTest(false);// render depth map
832for(var i=0,il=lights.length;i<il;i++){var light=lights[i];var shadow=light.shadow;if(shadow===undefined){console.warn('THREE.WebGLShadowMap:',light,'has no shadow.');continue;}if(shadow.autoUpdate===false&&shadow.needsUpdate===false)continue;_shadowMapSize.copy(shadow.mapSize);var shadowFrameExtents=shadow.getFrameExtents();_shadowMapSize.multiply(shadowFrameExtents);_viewportSize.copy(shadow.mapSize);if(_shadowMapSize.x>_maxTextureSize||_shadowMapSize.y>_maxTextureSize){if(_shadowMapSize.x>_maxTextureSize){_viewportSize.x=Math.floor(_maxTextureSize/shadowFrameExtents.x);_shadowMapSize.x=_viewportSize.x*shadowFrameExtents.x;shadow.mapSize.x=_viewportSize.x;}if(_shadowMapSize.y>_maxTextureSize){_viewportSize.y=Math.floor(_maxTextureSize/shadowFrameExtents.y);_shadowMapSize.y=_viewportSize.y*shadowFrameExtents.y;shadow.mapSize.y=_viewportSize.y;}}if(shadow.map===null){var pars=this.type!==VSMShadowMap?{minFilter:NearestFilter,magFilter:NearestFilter}:{};shadow.map=new WebGLRenderTarget(_shadowMapSize.x,_shadowMapSize.y,pars);shadow.map.texture.name=light.name+'.shadowMap';shadow.camera.updateProjectionMatrix();}_renderer.setRenderTarget(shadow.map);_renderer.clear();var viewportCount=shadow.getViewportCount();for(var vp=0;vp<viewportCount;vp++){var viewport=shadow.getViewport(vp);_viewport.set(_viewportSize.x*viewport.x,_viewportSize.y*viewport.y,_viewportSize.x*viewport.z,_viewportSize.y*viewport.w);_state.viewport(_viewport);shadow.updateMatrices(light,vp);_frustum=shadow.getFrustum();renderObject(scene,camera,shadow.camera,light,this.type);}// do blur pass for VSM
833if(shadow.isPointLightShadow!==true&&this.type===VSMShadowMap){VSMPass(shadow,camera);}shadow.needsUpdate=false;}scope.needsUpdate=false;_renderer.setRenderTarget(currentRenderTarget,activeCubeFace,activeMipmapLevel);};function VSMPass(shadow,camera){var geometry=_objects.update(fullScreenMesh);if(shadowMaterialVertical.defines.VSM_SAMPLES!==shadow.blurSamples){shadowMaterialVertical.defines.VSM_SAMPLES=shadow.blurSamples;shadowMaterialHorizontal.defines.VSM_SAMPLES=shadow.blurSamples;shadowMaterialVertical.needsUpdate=true;shadowMaterialHorizontal.needsUpdate=true;}if(shadow.mapPass===null){shadow.mapPass=new WebGLRenderTarget(_shadowMapSize.x,_shadowMapSize.y);}// vertical pass
834shadowMaterialVertical.uniforms.shadow_pass.value=shadow.map.texture;shadowMaterialVertical.uniforms.resolution.value=shadow.mapSize;shadowMaterialVertical.uniforms.radius.value=shadow.radius;_renderer.setRenderTarget(shadow.mapPass);_renderer.clear();_renderer.renderBufferDirect(camera,null,geometry,shadowMaterialVertical,fullScreenMesh,null);// horizontal pass
835shadowMaterialHorizontal.uniforms.shadow_pass.value=shadow.mapPass.texture;shadowMaterialHorizontal.uniforms.resolution.value=shadow.mapSize;shadowMaterialHorizontal.uniforms.radius.value=shadow.radius;_renderer.setRenderTarget(shadow.map);_renderer.clear();_renderer.renderBufferDirect(camera,null,geometry,shadowMaterialHorizontal,fullScreenMesh,null);}function getDepthMaterial(object,material,light,shadowCameraNear,shadowCameraFar,type){var result=null;var customMaterial=light.isPointLight===true?object.customDistanceMaterial:object.customDepthMaterial;if(customMaterial!==undefined){result=customMaterial;}else{result=light.isPointLight===true?_distanceMaterial:_depthMaterial;}

835if(_renderer.localClippingEnabled&&material.clipShadows===true&&Array.isArray(material.clippingPlanes)&&material.clippingPlanes.length!==0||material.displacementMap&&material.displacementScale!==0||material.alphaMap&&material.alphaTest>0){// in this case we need a unique material instance reflecting the
836// appropriate state
837var keyA=result.uuid,keyB=material.uuid;var materialsForVariant=_materialCache[keyA];if(materialsForVariant===undefined){materialsForVariant={};_materialCache[keyA]=materialsForVariant;}var cachedMaterial=materialsForVariant[keyB];if(cachedMaterial===undefined){cachedMaterial=result.clone();materialsForVariant[keyB]=cachedMaterial;}result=cachedMaterial;}result.visible=material.visible;result.wireframe=material.wireframe;if(type===VSMShadowMap){result.side=material.shadowSide!==null?material.shadowSide:material.side;}else{result.side=material.shadowSide!==null?material.shadowSide:shadowSide[material.side];}result.alphaMap=material.alphaMap;result.alphaTest=material.alphaTest;result.clipShadows=material.clipSh

837adows;result.clippingPlanes=material.clippingPlanes;result.clipIntersection=material.clipIntersection;result.displacementMap=material.displacementMap;result.displacementScale=material.displacementScale;result.displacementBias=material.displacementBias;result.wireframeLinewidth=material.wireframeLinewidth;result.linewidth=material.linewidth;if(light.isPointLight===true&&result.isMeshDistanceMaterial===true){result.referencePosition.setFromMatrixPosition(light.matrixWorld);result.nearDistance=shadowCameraNear;result.farDistance=shadowCameraFar;}return result;}function renderObject(object,camera,shadowCamera,light,type){if(object.visible===false)return;var visible=object.layers.test(camera.layers);if(visible&&(object.isMesh||object.isLine||object.isPoints)){if((object.castShadow||object.receiveShadow&&type===VSMShadowMap)&&(!object.frustumCulled||_frustum.intersectsObject(object))){object.modelViewMatrix.multiplyMatrices(shadowCamera.matrixWorldInverse,object.matrixWorld);var geometry=_objects.update(object);var material=object.material;if(Array.isArray(material)){var groups=geometry.groups;for(var k=0,kl=groups.length;k<kl;k++){var group=groups[k];var groupMaterial=material[group.materialIndex];if(groupMaterial&&groupMaterial.visible){var depthMaterial=getDepthMaterial(object,groupMaterial,light,shadowCamera.near,shadowCamera.far,type);_renderer.renderBufferDirect(shadowCamera,null,geometry,depthMaterial,object,group);}}}else if(material.visible){var _depthMaterial2=getDepthMaterial(object,material,light,shadowCamera.near,shadowCamera.far,type);_renderer.renderBufferDirect(shadowCamera,null,geometry,_depthMaterial2,object,null);}}}var children=object.children;for(var i=0,l=children.length;i<l;i++){renderObject(children[i],camera,shadowCamera,light,type);}}}function WebGLState(gl,extensions,capabilities){var _equationToGL,_factorToGL;var isWebGL2=capabilities.isWebGL2;function ColorBuffer(){var locked=false;var color=new Vector4();var currentColorMask=null;var currentColorClear=new Vector4(0,0,0,0);return{setMask:function setMask(colorMask){if(currentColorMask!==colorMask&&!locked){gl.colorMask(colorMask,colorMask,colorMask,colorMask);currentColorMask=colorMask;}},setLocked:function setLocked(lock){locked=lock;},setClear:function setClear(r,g,b,a,premultipliedAlpha){if(premultipliedAlpha===true){r*=a;g*=a;b*=a;}color.set(r,g,b,a);if(currentColorClear.equals(color)===false){gl.clearColor(r,g,b,a);currentColorClear.copy(color);}},reset:function reset(){locked=false;currentColorMask=null;currentColorClear.set(-1,0,0,0);// set to invalid state
838}};}function DepthBuffer(){var locked=false;var currentDepthMask=null;var currentDepthFunc=null;var currentDepthClear=null;return{setTest:function setTest(depthTest){if(depthTest){enable(gl.DEPTH_TEST);}else{disable(gl.DEPTH_TEST);}},setMask:function setMask(depthMask){if(currentDepthMask!==depthMask&&!locked){gl.depthMask(depthMask);currentDepthMask=depthMask;}},setFunc:function setFunc(depthFunc){if(currentDepthFunc!==depthFunc){if(depthFunc){switch(depthFunc){case NeverDepth:gl.depthFunc(gl.NEVER);break;case AlwaysDepth:gl.depthFunc(gl.ALWAYS);break;case LessDepth:gl.depthFunc(gl.LESS);break;case LessEqualDepth:gl.depthFunc(gl.LEQUAL);break;case EqualDepth:gl.depthFunc(gl.EQUAL);break;case GreaterEqualDepth:gl.depthFunc(gl.GEQUAL);break;case GreaterDepth:gl.depthFunc(gl.GREATER);break;case NotEqualDepth:gl.depthFunc(gl.NOTEQUAL);break;default:gl.depthFunc(gl.LEQUAL);}}else{gl.depthFunc(gl.LEQUAL);}currentDepthFunc=depthFunc;}},setLocked:function setLocked(lock){locked=lock;},setClear:function setClear(depth){if(currentDepthClear!==depth){gl.clearDepth(depth);currentDepthClear=depth;}},reset:function reset(){locked=false;currentDepthMask=null;currentDepthFunc=null;currentDepthClear=null;}};}function StencilBuffer(){var locked=false;var currentStencilMask=null;var currentStencilFunc=null;var currentStencilRef=null;var currentStencilFuncMask=null;var currentStencilFail=null;var currentStencilZFail=null;var currentStencilZPass=null;var currentStencilClear=null;return{setTest:function setTest(stencilTest){if(!locked){if(stencilTest){enable(gl.STENCIL_TEST);}else{disable(gl.STENCIL_TEST);}}},setMask:function setMask(stencilMask){if(currentStencilMask!==stencilMask&&!locked){gl.stencilMask(stencilMask);currentStencilMask=stencilMask;}}

838,setFunc:function setFunc(stencilFunc,stencilRef,stencilMask){if(currentStencilFunc!==stencilFunc||currentStencilRef!==stencilRef||currentStencilFuncMask!==stencilMask){gl.stencilFunc(stencilFunc,stencilRef,stencilMask);currentStencilFunc=stencilFunc;currentStencilRef=stencilRef;currentStencilFuncMask=stencilMask;}},setOp:function setOp(stencilFail,stencilZFail,stencilZPass){if(currentStencilFail!==stencilFail||currentStencilZFail!==stencilZFail||currentStencilZPass!==stencilZPass){gl.stencilOp(stencilFail,stencilZFail,stencilZPass);currentStencilFail=stencilFail;currentStencilZFail=stencilZFail;currentStencilZPass=stencilZPass;}},setLocked:function setLocked(lock){locked=lock;},setClear:function setClear(stencil){if(currentStencilClear!==stencil){gl.clearStencil(stencil);currentStencilClear=stencil;}},reset:function reset(){locked=false;currentStencilMask=null;currentStencilFunc=null;currentStencilRef=null;currentStencilFuncMask=null;currentStencilFail=null;currentStencilZFail=null;currentStencilZPass=null;currentStencilClear=null;}};}//
839var colorBuffer=new ColorBuffer();var depthBuffer=new DepthBuffer();var stencilBuffer=new StencilBuffer();var uboBindings=new WeakMap();var uboProgamMap=new WeakMap();var enabledCapabilities={};var currentBoundFramebuffers={};var currentDrawbuffers=new WeakMap();var defaultDrawbuffers=[];var currentProgram=null;var currentBlendingEnabled=false;var currentBlending=null;var currentBlendEquation=null;var currentBlendSrc=null;var currentBlendDst=null;var currentBlendEquationAlpha=null;var currentBlendSrcAlpha=null;var currentBlendDstAlpha=null;var currentPremultipledAlpha=false;var currentFlipSided=null;var currentCullFace=null;var currentLineWidth=null;var currentPolygonOffsetFactor=null;var currentPolygonOffsetUnits=null;var maxTextures=gl.getParameter(gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS);var lineWidthAvailable=false;var version=0;var glVersion=gl.getParameter(gl.VERSION);if(glVersion.indexOf('WebGL')!==-1){version=parseFloat(/^WebGL (\d)/.exec(glVersion)[1]);lineWidthAvailable=version>=1.0;}else if(glVersion.indexOf('OpenGL ES')!==-1){version=parseFloat(/^OpenGL ES (\d)/.exec(glVersion)[1]);lineWidthAvailable=version>=2.0;}var currentTextureSlot=null;var currentBoundTextures={};var scissorParam=gl.getParameter(gl.SCISSOR_BOX);var viewportParam=gl.getParameter(gl.VIEWPORT);var currentScissor=new Vector4().fromArray(scissorParam);var currentViewport=new Vector4().fromArray(viewportParam);function createTexture(type,target,count){var data=new Uint8Array(4);// 4 is required to match default unpack alignment of 4.
840var texture=gl.createTexture();gl.bindTexture(type,texture);gl.texParameteri(type,gl.TEXTURE_MIN_FILTER,gl.NEAREST);gl.texParameteri(type,gl.TEXTURE_MAG_FILTER,gl.NEAREST);for(var i=0;i<count;i++){gl.texImage2D(target+i,0,gl.RGBA,1,1,0,gl.RGBA,gl.UNSIGNED_BYTE,data);}return texture;}var emptyTextures={};emptyTextures[gl.TEXTURE_2D]=createTexture(gl.TEXTURE_2D,gl.TEXTURE_2D,1);emptyTextures[gl.TEXTURE_CUBE_MAP]=createTexture(gl.TEXTURE_CUBE_MAP,gl.TEXTURE_CUBE_MAP_POSITIVE_X,6);// init
841colorBuffer.setClear(0,0,0,1);depthBuffer.setClear(1);stencilBuffer.setClear(0);enable(gl.DEPTH_TEST);depthBuffer.setFunc(LessEqualDepth);setFlipSided(false);setCullFace(CullFaceBack);enable(gl.CULL_FACE);setBlending(NoBlending);//
842function enable(id){if(enabledCapabilities[id]!==true){gl.enable(id);enabledCapabilities[id]=true;}}function disable(id){if(enabledCapabilities[id]!==false){gl.disable(id);enabledCapabilities[id]=false;}}function bindFramebuffer(target,framebuffer){if(currentBoundFramebuffers[target]!==framebuffer){gl.bindFramebuffer(target,framebuffer);currentBoundFramebuffers[target]=framebuffer;if(isWebGL2){// gl.DRAW_FRAMEBUFFER is equivalent to gl.FRAMEBUFFER
843if(target===gl.DRAW_FRAMEBUFFER){currentBoundFramebuffers[gl.FRAMEBUFFER]=framebuffer;}if(target===gl.FRAMEBUFFER){currentBoundFramebuffers[gl.DRAW_FRAMEBUFFER]=framebuffer;}}return true;}return false;}function drawBuffers(renderTarget,framebuffer){var drawBuffers=defaultDrawbuffers;var needsUpdate=false;if(renderTarget){drawBuffers=currentDrawbuffers.get(framebuffer);

843if(drawBuffers===undefined){drawBuffers=[];currentDrawbuffers.set(framebuffer,drawBuffers);}if(renderTarget.isWebGLMultipleRenderTargets){var textures=renderTarget.texture;if(drawBuffers.length!==textures.length||drawBuffers[0]!==gl.COLOR_ATTACHMENT0){for(var i=0,il=textures.length;i<il;i++){drawBuffers[i]=gl.COLOR_ATTACHMENT0+i;}drawBuffers.length=textures.length;needsUpdate=true;}}else{if(drawBuffers[0]!==gl.COLOR_ATTACHMENT0){drawBuffers[0]=gl.COLOR_ATTACHMENT0;needsUpdate=true;}}}else{if(drawBuffers[0]!==gl.BACK){drawBuffers[0]=gl.BACK;needsUpdate=true;}}if(needsUpdate){if(capabilities.isWebGL2){gl.drawBuffers(drawBuffers);}else{extensions.get('WEBGL_draw_buffers').drawBuffersWEBGL(drawBuffers);}}}function useProgram(program){if(currentProgram!==program){gl.useProgram(program);currentProgram=program;return true;}return false;}var equationToGL=(_equationToGL={},_defineProperty(_equationToGL,AddEquation,gl.FUNC_ADD),_defineProperty(_equationToGL,SubtractEquation,gl.FUNC_SUBTRACT),_defineProperty(_equationToGL,ReverseSubtractEquation,gl.FUNC_REVERSE_SUBTRACT),_equationToGL);if(isWebGL2){equationToGL[MinEquation]=gl.MIN;equationToGL[MaxEquation]=gl.MAX;}else{var extension=extensions.get('EXT_blend_minmax');if(extension!==null){equationToGL[MinEquation]=extension.MIN_EXT;equationToGL[MaxEquation]=extension.MAX_EXT;}}var factorToGL=(_factorToGL={},_defineProperty(_factorToGL,ZeroFactor,gl.ZERO),_defineProperty(_factorToGL,OneFactor,gl.ONE),_defineProperty(_factorToGL,SrcColorFactor,gl.SRC_COLOR),_defineProperty(_factorToGL,SrcAlphaFactor,gl.SRC_ALPHA),_defineProperty(_factorToGL,SrcAlphaSaturateFactor,gl.SRC_ALPHA_SATURATE),_defineProperty(_factorToGL,DstColorFactor,gl.DST_COLOR),_defineProperty(_factorToGL,DstAlphaFactor,gl.DST_ALPHA),_defineProperty(_factorToGL,OneMinusSrcColorFactor,gl.ONE_MINUS_SRC_COLOR),_defineProperty(_factorToGL,OneMinusSrcAlphaFactor,gl.ONE_MINUS_SRC_ALPHA),_defineProperty(_factorToGL,OneMinusDstColorFactor,gl.ONE_MINUS_DST_COLOR),_defineProperty(_factorToGL,OneMinusDstAlphaFactor,gl.ONE_MINUS_DST_ALPHA),_factorToGL);function setBlending(blending,blendEquation,blendSrc,blendDst,blendEquationAlpha,blendSrcAlpha,blendDstAlpha,premultipliedAlpha){if(blending===NoBlending){if(currentBlendingEnabled===true){disable(gl.BLEND);currentBlendingEnabled=false;}return;}if(currentBlendingEnabled===false){enable(gl.BLEND);currentBlendingEnabled=true;}if(blending!==CustomBlending){if(blending!==currentBlending||premultipliedAlpha!==currentPremultipledAlpha){if(currentBlendEquation!==AddEquation||currentBlendEquationAlpha!==AddEquation){gl.blendEquation(gl.FUNC_ADD);currentBlendEquation=AddEquation;currentBlendEquationAlpha=AddEquation;}if(premultipliedAlpha){switch(blending){case NormalBlending:gl.blendFuncSeparate(gl.ONE,gl.ONE_MINUS_SRC_ALPHA,gl.ONE,gl.ONE_MINUS_SRC_ALPHA);break;case AdditiveBlending:gl.blendFunc(gl.ONE,gl.ONE);break;case SubtractiveBlending:gl.blendFuncSeparate(gl.ZERO,gl.ONE_MINUS_SRC_COLOR,gl.ZERO,gl.ONE);break;case MultiplyBlending:gl.blendFuncSeparate(gl.ZERO,gl.SRC_COLOR,gl.ZERO,gl.SRC_ALPHA);break;default:console.error('THREE.WebGLState: Invalid blending: ',blending);break;}}else{switch(blending){case NormalBlending:gl.blendFuncSeparate(gl.SRC_ALPHA,gl.ONE_MINUS_SRC_ALPHA,gl.ONE,gl.ONE_MINUS_SRC_ALPHA);break;case AdditiveBlending:gl.blendFunc(gl.SRC_ALPHA,gl.ONE);break;case SubtractiveBlending:gl.blendFuncSeparate(gl.ZERO,gl.ONE_MINUS_SRC_COLOR,gl.ZERO,gl.ONE);break;case MultiplyBlending:gl.blendFunc(gl.ZERO,gl.SRC_COLOR);break;default:console.error('THREE.WebGLState: Invalid blending: ',blending);break;}}currentBlendSrc=null;currentBlendDst=null;currentBlendSrcAlpha=null;currentBlendDstAlpha=null;currentBlending=blending;currentPremultipledAlpha=premultipliedAlpha;}return;}// custom blending
844blendEquationAlpha=blendEquationAlpha||blendEquation;blendSrcAlpha=blendSrcAlpha||blendSrc;blendDstAlpha=blendDstAlpha||blendDst;if(blendEquation!==currentBlendEquation||blendEquationAlpha!==currentBlendEquationAlpha){gl.blendEquationSeparate(equationToGL[blendEquation],equationToGL[blendEquationAlpha]);currentBlendEquation=blendEquation;currentBlendEquationAlpha=blendEquationAlpha;}if(blendSrc!==currentBlendSrc||blendDst!==currentBlendDst||blendSrcAlpha!==currentBlendSrcAlpha||blendDstAlpha!==currentBlendDstAlpha){gl.blendFuncSeparate(factorToGL[blendSrc],factorToGL[blendDst],factorToGL[blendSrcAlpha],factorToGL[blendDstAlpha]);

844currentBlendSrc=blendSrc;currentBlendDst=blendDst;currentBlendSrcAlpha=blendSrcAlpha;currentBlendDstAlpha=blendDstAlpha;}currentBlending=blending;currentPremultipledAlpha=null;}function setMaterial(material,frontFaceCW){material.side===DoubleSide?disable(gl.CULL_FACE):enable(gl.CULL_FACE);var flipSided=material.side===BackSide;if(frontFaceCW)flipSided=!flipSided;setFlipSided(flipSided);material.blending===NormalBlending&&material.transparent===false?setBlending(NoBlending):setBlending(material.blending,material.blendEquation,material.blendSrc,material.blendDst,material.blendEquationAlpha,material.blendSrcAlpha,material.blendDstAlpha,material.premultipliedAlpha);depthBuffer.setFunc(material.depthFunc);depthBuffer.setTest(material.depthTest);depthBuffer.setMask(material.depthWrite);colorBuffer.setMask(material.colorWrite);var stencilWrite=material.stencilWrite;stencilBuffer.setTest(stencilWrite);if(stencilWrite){stencilBuffer.setMask(material.stencilWriteMask);stencilBuffer.setFunc(material.stencilFunc,material.stencilRef,material.stencilFuncMask);stencilBuffer.setOp(material.stencilFail,material.stencilZFail,material.stencilZPass);}setPolygonOffset(material.polygonOffset,material.polygonOffsetFactor,material.polygonOffsetUnits);material.alphaToCoverage===true?enable(gl.SAMPLE_ALPHA_TO_COVERAGE):disable(gl.SAMPLE_ALPHA_TO_COVERAGE);}//
845function setFlipSided(flipSided){if(currentFlipSided!==flipSided){if(flipSided){gl.frontFace(gl.CW);}else{gl.frontFace(gl.CCW);}currentFlipSided=flipSided;}}function setCullFace(cullFace){if(cullFace!==CullFaceNone){enable(gl.CULL_FACE);if(cullFace!==currentCullFace){if(cullFace===CullFaceBack){gl.cullFace(gl.BACK);}else if(cullFace===CullFaceFront){gl.cullFace(gl.FRONT);}else{gl.cullFace(gl.FRONT_AND_BACK);}}}else{disable(gl.CULL_FACE);}currentCullFace=cullFace;}function setLineWidth(width){if(width!==currentLineWidth){if(lineWidthAvailable)gl.lineWidth(width);currentLineWidth=width;}}function setPolygonOffset(polygonOffset,factor,units){if(polygonOffset){enable(gl.POLYGON_OFFSET_FILL);if(currentPolygonOffsetFactor!==factor||currentPolygonOffsetUnits!==units){gl.polygonOffset(factor,units);currentPolygonOffsetFactor=factor;currentPolygonOffsetUnits=units;}}else{disable(gl.POLYGON_OFFSET_FILL);}}function setScissorTest(scissorTest){if(scissorTest){enable(gl.SCISSOR_TEST);}else{disable(gl.SCISSOR_TEST);}}// texture
846function activeTexture(webglSlot){if(webglSlot===undefined)webglSlot=gl.TEXTURE0+maxTextures-1;if(currentTextureSlot!==webglSlot){gl.activeTexture(webglSlot);currentTextureSlot=webglSlot;}}function bindTexture(webglType,webglTexture){if(currentTextureSlot===null){activeTexture();}var boundTexture=currentBoundTextures[currentTextureSlot];if(boundTexture===undefined){boundTexture={type:undefined,texture:undefined};currentBoundTextures[currentTextureSlot]=boundTexture;}if(boundTexture.type!==webglType||boundTexture.texture!==webglTexture){gl.bindTexture(webglType,webglTexture||emptyTextures[webglType]);boundTexture.type=webglType;boundTexture.texture=webglTexture;}}function unbindTexture(){var boundTexture=currentBoundTextures[currentTextureSlot];if(boundTexture!==undefined&&boundTexture.type!==undefined){gl.bindTexture(boundTexture.type,null);boundTexture.type=undefined;boundTexture.texture=undefined;}}function compressedTexImage2D(){try{gl.compressedTexImage2D.apply(gl,arguments);}catch(error){console.error('THREE.WebGLState:',error);}}function texSubImage2D(){try{gl.texSubImage2D.apply(gl,arguments);}catch(error){console.error('THREE.WebGLState:',error);}}function texSubImage3D(){try{gl.texSubImage3D.apply(gl,arguments);}catch(error){console.error('THREE.WebGLState:',error);}}function compressedTexSubImage2D(){try{gl.compressedTexSubImage2D.apply(gl,arguments);}catch(error){console.error('THREE.WebGLState:',error);}}function texStorage2D(){try{gl.texStorage2D.apply(gl,arguments);}catch(error){console.error('THREE.WebGLState:',error);}}function texStorage3D(){try{gl.texStorage3D.apply(gl,arguments);}catch(error){console.error('THREE.WebGLState:',error);}}function texImage2D(){try{gl.texImage2D.apply(gl,arguments);}catch(error){console.error('THREE.WebGLState:',error);}}function texImage3D(){try{gl.texImage3D.apply(gl,arguments);}catch(error){console.error('THREE.WebGLState:',error);}}//
847function scissor(scissor){if(currentScissor.equals(scissor)===false){gl.scissor(scissor.x,scissor.y,scissor.z,scissor.w);currentScissor.copy(scissor);}}function viewport(viewport){if(currentViewport.equals(viewport)===false){gl.viewport(viewport.x,viewport.y,viewport.z,viewport.w);currentViewport.copy(viewport);}}function updateUBOMapping(uniformsGroup,program){var mapping=uboProgamMap.get(program);if(mapping===undefined){mapping=new WeakMap();uboProgamMap.set(program,mapping);}var blockIndex=mapping.get(uniformsGroup);if(blockIndex===undefined){blockIndex=gl.getUniformBlockIndex(program,uniformsGroup.name);mapping.set(uniformsGroup,blockIndex);}}function uniformBlockBinding(uniformsGroup,program){var mapping=uboProgamMap.get(program);var blockIndex=mapping.get(uniformsGroup);if(uboBindings.get(uniformsGroup)!==blockIndex){// bind shader specific block index to global block point
848gl.uniformBlockBinding(program,blockIndex,uniformsGroup.__bindingPointIndex);uboBindings.set(uniformsGroup,blockIndex);}}

848//
849function reset(){// reset state
850gl.disable(gl.BLEND);gl.disable(gl.CULL_FACE);gl.disable(gl.DEPTH_TEST);gl.disable(gl.POLYGON_OFFSET_FILL);gl.disable(gl.SCISSOR_TEST);gl.disable(gl.STENCIL_TEST);gl.disable(gl.SAMPLE_ALPHA_TO_COVERAGE);gl.blendEquation(gl.FUNC_ADD);gl.blendFunc(gl.ONE,gl.ZERO);gl.blendFuncSeparate(gl.ONE,gl.ZERO,gl.ONE,gl.ZERO);gl.colorMask(true,true,true,true);gl.clearColor(0,0,0,0);gl.depthMask(true);gl.depthFunc(gl.LESS);gl.clearDepth(1);gl.stencilMask(0xffffffff);gl.stencilFunc(gl.ALWAYS,0,0xffffffff);gl.stencilOp(gl.KEEP,gl.KEEP,gl.KEEP);gl.clearStencil(0);gl.cullFace(gl.BACK);gl.frontFace(gl.CCW);gl.polygonOffset(0,0);gl.activeTexture(gl.TEXTURE0);gl.bindFramebuffer(gl.FRAMEBUFFER,null);if(isWebGL2===true){gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER,null);gl.bindFramebuffer(gl.READ_FRAMEBUFFER,null);}gl.useProgram(null);gl.lineWidth(1);gl.scissor(0,0,gl.canvas.width,gl.canvas.height);gl.viewport(0,0,gl.canvas.width,gl.canvas.height);// reset internals
851enabledCapabilities={};currentTextureSlot=null;currentBoundTextures={};currentBoundFramebuffers={};currentDrawbuffers=new WeakMap();defaultDrawbuffers=[];currentProgram=null;currentBlendingEnabled=false;currentBlending=null;currentBlendEquation=null;currentBlendSrc=null;currentBlendDst=null;currentBlendEquationAlpha=null;currentBlendSrcAlpha=null;currentBlendDstAlpha=null;currentPremultipledAlpha=false;currentFlipSided=null;currentCullFace=null;currentLineWidth=null;currentPolygonOffsetFactor=null;currentPolygonOffsetUnits=null;currentScissor.set(0,0,gl.canvas.width,gl.canvas.height);currentViewport.set(0,0,gl.canvas.width,gl.canvas.height);colorBuffer.reset();depthBuffer.reset();stencilBuffer.reset();}return{buffers:{color:colorBuffer,depth:depthBuffer,stencil:stencilBuffer},enable:enable,disable:disable,bindFramebuffer:bindFramebuffer,drawBuffers:drawBuffers,useProgram:useProgram,setBlending:setBlending,setMaterial:setMaterial,setFlipSided:setFlipSided,setCullFace:setCullFace,setLineWidth:setLineWidth,setPolygonOffset:setPolygonOffset,setScissorTest:setScissorTest,activeTexture:activeTexture,bindTexture:bindTexture,unbindTexture:unbindTexture,compressedTexImage2D:compressedTexImage2D,texImage2D:texImage2D,texImage3D:texImage3D,updateUBOMapping:updateUBOMapping,uniformBlockBinding:uniformBlockBinding,texStorage2D:texStorage2D,texStorage3D:texStorage3D,texSubImage2D:texSubImage2D,texSubImage3D:texSubImage3D,compressedTexSubImage2D:compressedTexSubImage2D,scissor:scissor,viewport:viewport,reset:reset};}function WebGLTextures(_gl,extensions,state,properties,capabilities,utils,info){var _wrappingToGL,_filterToGL;var isWebGL2=capabilities.isWebGL2;var maxTextures=capabilities.maxTextures;var maxCubemapSize=capabilities.maxCubemapSize;var maxTextureSize=capabilities.maxTextureSize;var maxSamples=capabilities.maxSamples;var multisampledRTTExt=extensions.has('WEBGL_multisampled_render_to_texture')?extensions.get('WEBGL_multisampled_render_to_texture'):null;var supportsInvalidateFramebuffer=/OculusBrowser/g.test(navigator.userAgent);var _videoTextures=new WeakMap();var _canvas;var _sources=new WeakMap();// maps WebglTexture objects to instances of Source
852// cordova iOS (as of 5.0) still uses UIWebView, which provides OffscreenCanvas,
853// also OffscreenCanvas.getContext("webgl"), but not OffscreenCanvas.getContext("2d")!
854// Some implementations may only implement OffscreenCanvas partially (e.g. lacking 2d).
855var useOffscreenCanvas=false;try{useOffscreenCanvas=typeof OffscreenCanvas!=='undefined'// eslint-disable-next-line compat/compat
856&&new OffscreenCanvas(1,1).getContext('2d')!==null;}catch(err){// Ignore any errors
857}function createCanvas(width,height){// Use OffscreenCanvas when available. Specially needed in web workers
858return useOffscreenCanvas?// eslint-disable-next-line compat/compat
859new OffscreenCanvas(width,height):createElementNS('canvas');}function resizeImage(image,needsPowerOfTwo,needsNewCanvas,maxSize){var scale=1;// handle case if texture exceeds max size
860if(image.width>maxSize||image.height>maxSize){scale=maxSize/Math.max(image.width,image.height);}// only perform resize if necessary
861if(scale<1||needsPowerOfTwo===true){// only perform resize for certain image types
862if(typeof HTMLImageElement!=='undefined'&&image instanceof HTMLImageElement||typeof HTMLCanvasElement!=='undefined'&&image instanceof HTMLCanvasElement||typeof ImageBitmap!=='undefined'&&image instanceof ImageBitmap){var floor=needsPowerOfTwo?floorPowerOfTwo:Math.floor;var width=floor(scale*image.width);var height=floor(scale*image.height);if(_canvas===undefined)_canvas=createCanvas(width,height);// cube textures can't reuse the same canvas
863var canvas=needsNewCanvas?createCanvas(width,height):_canvas;canvas.width=width;canvas.height=height;var context=canvas.getContext('2d');context.drawImage(image,0,0,width,height);console.warn('THREE.WebGLRenderer: Texture has been resized from ('+image.width+'x'+image.height+') to ('+width+'x'+height+').');return canvas;}else{if('data'in image){console.warn('THREE.WebGLRenderer: Image in DataTexture is too big ('+image.width+'x'+image.height+').');}return image;}}return image;}function isPowerOfTwo$1(image){return isPowerOfTwo(image.width)&&isPowerOfTwo(image.height);}function textureNeedsPowerOfTwo(texture){if(isWebGL2)return false;return texture.wrapS!==ClampToEdgeWrapping||texture.wrapT!==ClampToEdgeWrapping||texture.minFilter!==NearestFilter&&texture.minFilter!==LinearFilter;}function textureNeedsGenerateMipmaps(texture,supportsMips){return texture.generateMipmaps&&supportsMips&&texture.minFilter!==NearestFilter&&texture.minFilter!==LinearFilter;}function generateMipmap(target){_gl.generateMipmap(target);}function getInternalFormat(internalFormatName,glFormat,glType,encoding){var isVideoTexture=arguments.length>

8634&&arguments[4]!==undefined?arguments[4]:false;if(isWebGL2===false)return glFormat;if(internalFormatName!==null){if(_gl[internalFormatName]!==undefined)return _gl[internalFormatName];console.warn('THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \''+internalFormatName+'\'');}var internalFormat=glFormat;if(glFormat===_gl.RED){if(glType===_gl.FLOAT)internalFormat=_gl.R32F;if(glType===_gl.HALF_FLOAT)internalFormat=_gl.R16F;if(glType===_gl.UNSIGNED_BYTE)internalFormat=_gl.R8;}if(glFormat===_gl.RG){if(glType===_gl.FLOAT)internalFormat=_gl.RG32F;if(glType===_gl.HALF_FLOAT)internalFormat=_gl.RG16F;if(glType===_gl.UNSIGNED_BYTE)internalFormat=_gl.RG8;}if(glFormat===_gl.RGBA){if(glType===_gl.FLOAT)internalFormat=_gl.RGBA32F;if(glType===_gl.HALF_FLOAT)internalFormat=_gl.RGBA16F;if(glType===_gl.UNSIGNED_BYTE)internalFormat=encoding===sRGBEncoding&&isVideoTexture===false?_gl.SRGB8_ALPHA8:_gl.RGBA8;if(glType===_gl.UNSIGNED_SHORT_4_4_4_4)internalFormat=_gl.RGBA4;if(glType===_gl.UNSIGNED_SHORT_5_5_5_1)internalFormat=_gl.RGB5_A1;}if(internalFormat===_gl.R16F||internalFormat===_gl.R32F||internalFormat===_gl.RG16F||internalFormat===_gl.RG32F||internalFormat===_gl.RGBA16F||internalFormat===_gl.RGBA32F){extensions.get('EXT_color_buffer_float');}return internalFormat;}function getMipLevels(texture,image,supportsMips){if(textureNeedsGenerateMipmaps(texture,supportsMips)===true||texture.isFramebufferTexture&&texture.minFilter!==NearestFilter&&texture.minFilter!==LinearFilter){return Math.log2(Math.max(image.width,image.height))+1;}

863else if(texture.mipmaps!==undefined&&texture.mipmaps.length>0){// user-defined mipmaps
864return texture.mipmaps.length;}else if(texture.isCompressedTexture&&Array.isArray(texture.image)){return image.mipmaps.length;}else{// texture without mipmaps (only base level)
865return 1;}}// Fallback filters for non-power-of-2 textures
866function filterFallback(f){if(f===NearestFilter||f===NearestMipmapNearestFilter||f===NearestMipmapLinearFilter){return _gl.NEAREST;}return _gl.LINEAR;}//
867function onTextureDispose(event){var texture=event.target;texture.removeEventListener('dispose',onTextureDispose);deallocateTexture(texture);if(texture.isVideoTexture){_videoTextures.delete(texture);}}function onRenderTargetDispose(event){var renderTarget=event.target;renderTarget.removeEventListener('dispose',onRenderTargetDispose);deallocateRenderTarget(renderTarget);}//
868function deallocateTexture(texture){var textureProperties=properties.get(texture);if(textureProperties.__webglInit===undefined)return;// check if it's necessary to remove the WebGLTexture object
869var source=texture.source;var webglTextures=_sources.get(source);if(webglTextures){var webglTexture=webglTextures[textureProperties.__cacheKey];webglTexture.usedTimes--;// the WebGLTexture object is not used anymore, remove it
870if(webglTexture.usedTimes===0){deleteTexture(texture);}// remove the weak map entry if no WebGLTexture uses the source anymore
871if(Object.keys(webglTextures).length===0){_sources.delete(source);}}properties.remove(texture);}function deleteTexture(texture){var textureProperties=properties.get(texture);_gl.deleteTexture(textureProperties.__webglTexture);var source=texture.source;var webglTextures=_sources.get(source);delete webglTextures[textureProperties.__cacheKey];info.memory.textures--;}function deallocateRenderTarget(renderTarget){var texture=renderTarget.texture;var renderTargetProperties=properties.get(renderTarget);var textureProperties=properties.get(texture);if(textureProperties.__webglTexture!==undefined){_gl.deleteTexture(textureProperties.__webglTexture);info.memory.textures--;}if(renderTarget.depthTexture){renderTarget.depthTexture.dispose();}if(renderTarget.isWebGLCubeRenderTarget){for(var i=0;i<6;i++){_gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer[i]);if(renderTargetProperties.__webglDepthbuffer)_gl.deleteRenderbuffer(renderTargetProperties.__webglDepthbuffer[i]);}}else{_gl.deleteFramebuffer(renderTargetProperties.__webglFramebuffer);if(renderTargetProperties.__webglDepthbuffer)_gl.deleteRenderbuffer(renderTargetProperties.__webglDepthbuffer);if(renderTargetProperties.__webglMultisampledFramebuffer)_gl.deleteFramebuffer(renderTargetProperties.__webglMultisampledFramebuffer);if(renderTargetProperties.__webglColorRenderbuffer){for(var _i34=0;_i34<renderTargetProperties.__webglColorRenderbuffer.length;_i34++){if(renderTargetProperties.__webglColorRenderbuffer[_i34])_gl.deleteRenderbuffer(renderTargetProperties.__webglColorRenderbuffer[_i34]);}}if(renderTargetProperties.__webglDepthRenderbuffer)_gl.deleteRenderbuffer(renderTargetProperties.__webglDepthRenderbuffer);}if(renderTarget.isWebGLMultipleRenderTargets){for(var _i35=0,il=texture.length;_i35<il;_i35++){var attachmentProperties=properties.get(texture[_i35]);if(attachmentProperties.__webglTexture){_gl.deleteTexture(attachmentProperties.__webglTexture);info.memory.textures--;}properties.remove(texture[_i35]);}}properties.remove(texture);properties.remove(renderTarget);}//
872var textureUnits=0;function resetTextureUnits(){textureUnits=0;}function allocateTextureUnit(){var textureUnit=textureUnits;if(textureUnit>=maxTextures){console.warn('THREE.WebGLTextures: Trying to use '+textureUnit+' texture units while this GPU supports only '+maxTextures);}textureUnits+=1;return textureUnit;}function getTextureCacheKey(texture){var array=[];array.push(texture.wrapS);array.push(texture.wrapT);array.push(texture.magFilter);array.push(texture.minFilter);array.push(texture.anisotropy);array.push(texture.internalFormat);array.push(texture.format);array.push(texture.type);array.push(texture.generateMipmaps);array.push(texture.premultiplyAlpha);array.push(texture.flipY);array.push(texture.unpackAlignment);array.push(texture.encoding);return array.join();}//
873function setTexture2D(texture,slot){var textureProperties=properties.get(texture);if(texture.isVideoTexture)updateVideoTexture(texture);if(texture.isRenderTargetTexture===false&&texture.version>0&&textureProperties.__version!==texture.version){var image=texture.image;if(image===null){console.warn('THREE.WebGLRenderer: Texture marked for update but no image data found.');}else if(image.complete===false){console.warn('THREE.WebGLRenderer: Texture marked for update but image is incomplete');}else{uploadTexture(textureProperties,texture,slot);return;}}state.activeTexture(_gl.TEXTURE0+slot);state.bindTexture(_gl.TEXTURE_2D,textureProperties.__webglTexture);}function setTexture2DArray(texture,slot){var textureProperties=properties.get(texture);if(texture.version>0&&textureProperties.__version!==texture.version){uploadTexture(textureProperties,texture,slot);return;}state.activeTexture(_gl.TEXTURE0+slot);state.bindTexture(_gl.TEXTURE_2D_ARRAY,textureProperties.__webglTexture);}function setTexture3D(texture,slot){var textureProperties=properties.get(texture);if(texture.version>0&&textureProperties.__version!==texture.version){uploadTexture(textureProperties,texture,slot);return;}state.activeTexture(_gl.TEXTURE0+slot);state.bindTexture(_gl.TEXTURE_3D,textureProperties.__webglTexture);}function setTextureCube(texture,slot){var textureProperties=properties.get(texture);if(texture.version>0&&textureProperties.__version!==texture.version){uploadCubeTexture(textureProperties,texture,slot);return;}state.activeTexture(_gl.TEXTURE0+slot);state.bindTexture(_gl.TEXTURE_CUBE_MAP,textureProperties.__webglTexture);}var wrappingToGL=(_wrappingToGL={},_defineProperty(_wrappingToGL,RepeatWrapping,_gl.REPEAT),_defineProperty(_wrappingToGL,ClampToEdgeWrapping,_gl.CLAMP_TO_EDGE),_defineProperty(_wrappingToGL,MirroredRepeatWrapping,_gl.MIRRORED_REPEAT),_wrappingToGL);var filterToGL=(_filterToGL={},_defineProperty(_filterToGL,NearestFilter,_gl.NEAREST),_defineProperty(_filterToGL,NearestMipmapNearestFilter,_gl.NEAREST_MIPMAP_NEAREST),_defineProperty(_filterToGL,NearestMipmapLinearFilter,_gl.NEAREST_MIPMAP_LINEAR),_defineProperty(_filterToGL,LinearFilter,_gl.LINEAR),_defineProperty(_filterToGL,LinearMipmapNearestFilter,_gl.LINEAR_MIPMAP_NEAREST),_defineProperty(_filterToGL,LinearMipmapLinearFilter,_gl.LINEAR_MIPMAP_LINEAR),_filterToGL);function setTextureParameters(textureType,texture,supportsMips){if(supportsMips){_gl.texParameteri(textureType,_gl.TEXTURE_WRAP_S,wrappingToGL[texture.wrapS]);_gl.texParameteri(textureType,_gl.TEXTURE_WRAP_T,wrappingToGL[texture.wrapT]);if(textureType===_gl.TEXTURE_3D||textureType===_gl.TEXTURE_2D_ARRAY){_gl.texParameteri(textureType,_gl.TEXTURE_WRAP_R,wrappingToGL[texture.wrapR]);}_gl.texParameteri(textureType,_gl.TEXTURE_MAG_FILTER,filterToGL[texture.magFilter]);_gl.texParameteri(textureType,_gl.TEXTURE_MIN_FILTER,filterToGL[texture.minFilter]);}else{_gl.texParameteri(textureType,_gl.TEXTURE_WRAP_S,_gl.CLAMP_TO_EDGE);_gl.texParameteri(textureType,_gl.TEXTURE_WRAP_T,_gl.CLAMP_TO_EDGE);if(textureType===_gl.TEXTURE_3D||textureType===_gl.TEXTURE_2D_ARRAY){_gl.texParameteri(textureType,_gl.TEXTURE_WRAP_R,_gl.CLAMP_TO_EDGE);}if(texture.wrapS!==ClampToEdgeWrapping||texture.wrapT!==ClampToEdgeWrapping){console.warn('THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping.');}_gl.texParameteri(textureType,_gl.TEXTURE_MAG_FILTER,filterFallback(texture.magFilter));_gl.texParameteri(textureType,_gl.TEXTURE_MIN_FILTER,filterFallback(texture.minFilter));if(texture.minFilter!==NearestFilter&&texture.minFilter!==LinearFilter){console.warn('THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter.');}}if(extensions.has('EXT_texture_filter_anisotropic')===true){var extension=extensions.get('EXT_texture_filter_anisotropic');if(texture.type===FloatType&&extensions.has('OES_texture_float_linear')===false)return;// verify extension for WebGL 1 and WebGL 2

874if(isWebGL2===false&&texture.type===HalfFloatType&&extensions.has('OES_texture_half_float_linear')===false)return;// verify extension for WebGL 1 only
875if(texture.anisotropy>1||properties.get(texture).__currentAnisotropy){_gl.texParameterf(textureType,extension.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(texture.anisotropy,capabilities.getMaxAnisotropy()));properties.get(texture).__currentAnisotropy=texture.anisotropy;}}}function initTexture(textureProperties,texture){var forceUpload=false;if(textureProperties.__webglInit===undefined){textureProperties.__webglInit=true;texture.addEventListener('dispose',onTextureDispose);}// create Source <-> WebGLTextures mapping if necessary
876var source=texture.source;var webglTextures=_sources.get(source);if(webglTextures===undefined){webglTextures={};_sources.set(source,webglTextures);}// check if there is already a WebGLTexture object for the given texture parameters
877var textureCacheKey=getTextureCacheKey(texture);if(textureCacheKey!==textureProperties.__cacheKey){// if not, create a new instance of WebGLTexture
878if(webglTextures[textureCacheKey]===undefined){// create new entry
879webglTextures[textureCacheKey]={texture:_gl.createTexture(),usedTimes:0};info.memory.textures++;// when a new instance of WebGLTexture was created, a texture upload is required
880// even if the image contents are identical
881forceUpload=true;}webglTextures[textureCacheKey].usedTimes++;// every time the texture cache key changes, it's necessary to check if an instance of
882// WebGLTexture can be deleted in order to avoid a memory leak.
883var webglTexture=webglTextures[textureProperties.__cacheKey];if(webglTexture!==undefined){webglTextures[textureProperties.__cacheKey].usedTimes--;if(webglTexture.usedTimes===0){deleteTexture(texture);}}// store references to cache key and WebGLTexture object
884textureProperties.__cacheKey=textureCacheKey;textureProperties.__webglTexture=webglTextures[textureCacheKey].texture;}return forceUpload;}function uploadTexture(textureProperties,texture,slot){var textureType=_gl.TEXTURE_2D;if(texture.isDataArrayTexture)textureType=_gl.TEXTURE_2D_ARRAY;if(texture.isData3DTexture)textureType=_gl.TEXTURE_3D;var forceUpload=initTexture(textureProperties,texture);var source=texture.source;state.activeTexture(_gl.TEXTURE0+slot);state.bindTexture(textureType,textureProperties.__webglTexture);if(source.version!==source.__currentVersion||forceUpload===true){_gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL,texture.flipY);_gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,texture.premultiplyAlpha);_gl.pixelStorei(_gl.UNPACK_ALIGNMENT,texture.unpackAlignment);_gl.pixelStorei(_gl.UNPACK_COLORSPACE_CONVERSION_WEBGL,_gl.NONE);var needsPowerOfTwo=textureNeedsPowerOfTwo(texture)&&isPowerOfTwo$1(texture.image)===false;var image=resizeImage(texture.image,needsPowerOfTwo,false,maxTextureSize);image=verifyColorSpace(texture,image);var supportsMips=isPowerOfTwo$1(image)||isWebGL2,glFormat=utils.convert(texture.format,texture.encoding);var glType=utils.convert(texture.type),glInternalFormat=getInternalFormat(texture.internalFormat,glFormat,glType,texture.encoding,texture.isVideoTexture);setTextureParameters(textureType,texture,supportsMips);var mipmap;var mipmaps=texture.mipmaps;var useTexStorage=isWebGL2&&texture.isVideoTexture!==true;var allocateMemory=source.__currentVersion===undefined||forceUpload===true;var levels=getMipLevels(texture,image,supportsMips);if(texture.isDepthTexture){// populate depth texture with dummy data
885glInternalFormat=_gl.DEPTH_COMPONENT;if(isWebGL2){if(texture.type===FloatType){glInternalFormat=_gl.DEPTH_COMPONENT32F;}else if(texture.type===UnsignedIntType){glInternalFormat=_gl.DEPTH_COMPONENT24;}else if(texture.type===UnsignedInt248Type){glInternalFormat=_gl.DEPTH24_STENCIL8;}else{glInternalFormat=_gl.DEPTH_COMPONENT16;// WebGL2 requires sized internalformat for glTexImage2D
886}}else{if(texture.type===FloatType){console.error('WebGLRenderer: Floating point depth texture requires WebGL2.');}}// validation checks for WebGL 1
887if(texture.format===DepthFormat&&glInternalFormat===_gl.DEPTH_COMPONENT){// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are
888// DEPTH_COMPONENT and type is not UNSIGNED_SHORT or UNSIGNED_INT
889// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)
890if(texture.type!==UnsignedShortType&&texture.type!==UnsignedIntType){console.warn('THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture.');texture.type=UnsignedIntType;glType=utils.convert(texture.type);}}if(texture.format===DepthStencilFormat&&glInternalFormat===_gl.DEPTH_COMPONENT){// Depth stencil textures need the DEPTH_STENCIL internal format
891// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)
892glInternalFormat=_gl.DEPTH_STENCIL;// The error INVALID_OPERATION is generated by texImage2D if format and internalformat are
893// DEPTH_STENCIL and type is not UNSIGNED_INT_24_8_WEBGL.
894// (https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/)
895if(texture.type!==UnsignedInt248Type){console.warn('THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture.');texture.type=UnsignedInt248Type;glType=utils.convert(texture.type);}}//
896if(allocateMemory){if(useTexStorage){state.texStorage2D(_gl.TEXTURE_2D,1,glInternalFormat,image.width,image.height);}else{state.texImage2D(_gl.TEXTURE_2D,0,glInternalFormat,image.width,image.height,0,glFormat,glType,null);}}}else if(texture.isDataTexture){// use manually created mipmaps if available
897// if there are no manual mipmaps
898// set 0 level mipmap and then use GL to generate other mipmap levels
899if(mipmaps.length>0&&supportsMips){if(useTexStorage&&allocateMemory){state.texStorage2D(_gl.TEXTURE_2D,levels,glInternalFormat,mipmaps[0].width,mipmaps[0].height);}for(var i=0,il=mipmaps.length;i<il;i++){mipmap=mipmaps[i];if(useTexStorage){state.texSubImage2D(_gl.TEXTURE_2D,i,0,0,mipmap.width,mipmap.height,glFormat,glType,mipmap.data);}else{state.texImage2D(_gl.TEXTURE_2D,i,glInternalFormat,mipmap.width,mipmap.height,0,glFormat,glType,mipmap.data);}}texture.generateMipmaps=false;}else{if(useTexStorage){if(allocateMemory){state.texStorage2D(_gl.TEXTURE_2D,levels,glInternalFormat,image.width,image.height);}state.texSubImage2D(_gl.TEXTURE_2D,0,0,0,image.width,image.height,glFormat,glType,image.data);}else{state.texImage2D(_gl.TEXTURE_2D,0,glInternalFormat,image.width,image.height,0,glFormat,glType,image.data);}}}else if(texture.isCompressedTexture){if(useTexStorage&&allocateMemory){state.texStorage2D(_gl.TEXTURE_2D,levels,glInternalFormat,mipmaps[0].width,mipmaps[0].height);}for(var _i36=0,_il9=mipmaps.length;_i36<_il9;_i36++){mipmap=mipmaps[_i36];if(texture.format!==RGBAFormat){if(glFormat!==null){if(useTexStorage){state.compressedTexSubImage2D(_gl.TEXTURE_2D,_i36,0,0,mipmap.width,mipmap.height,glFormat,mipmap.data);}else{state.compressedTexImage2D(_gl.TEXTURE_2D,_i36,glInternalFormat,mipmap.width,mipmap.height,0,mipmap.data);}}else{console.warn('THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()');}}else{if(useTexStorage){state.texSubImage2D(_gl.TEXTURE_2D,_i36,0,0,mipmap.width,mipmap.height,glFormat,glType,mipmap.data);}else{state.texImage2D(_gl.TEXTURE_2D,_i36,glInternalFormat,mipmap.width,mipmap.height,0,glFormat,glType,mipmap.data);}}}}else if(texture.isDataArrayTexture){if(useTexStorage){if(allocateMemory){state.texStorage3D(_gl.TEXTURE_2D_ARRAY,levels,glInternalFormat,image.width,image.height,image.depth);}state.texSubImage3D(_gl.TEXTURE_2D_ARRAY,0,0,0,0,image.width,image.height,image.depth,glFormat,glType,image.data);}else{state.texImage3D(_gl.TEXTURE_2D_ARRAY,0,glInternalFormat,image.width,image.height,image.depth,0,glFormat,glType,image.data);}}else if(texture.isData3DTexture){if(useTexStorage){if(allocateMemory){state.texStorage3D(_gl.TEXTURE_3D,levels,glInternalFormat,image.width,image.height,image.depth);}state.texSubImage3D(_gl.TEXTURE_3D,0,0,0,0,image.width,image.height,image.depth,glFormat,glType,image.data);}else{state.texImage3D(_gl.TEXTURE_3D,0,glInternalFormat,image.width,image.height,image.depth,0,glFormat,glType,image.data);}}

899else if(texture.isFramebufferTexture){if(allocateMemory){if(useTexStorage){state.texStorage2D(_gl.TEXTURE_2D,levels,glInternalFormat,image.width,image.height);}else{var width=image.width,height=image.height;for(var _i37=0;_i37<levels;_i37++){state.texImage2D(_gl.TEXTURE_2D,_i37,glInternalFormat,width,height,0,glFormat,glType,null);width>>=1;height>>=1;}}}}else{// regular Texture (image, video, canvas)
900// use manually created mipmaps if available
901// if there are no manual mipmaps
902// set 0 level mipmap and then use GL to generate other mipmap levels
903if(mipmaps.length>0&&supportsMips){if(useTexStorage&&allocateMemory){state.texStorage2D(_gl.TEXTURE_2D,levels,glInternalFormat,mipmaps[0].width,mipmaps[0].height);}for(var _i38=0,_il10=mipmaps.length;_i38<_il10;_i38++){mipmap=mipmaps[_i38];if(useTexStorage){state.texSubImage2D(_gl.TEXTURE_2D,_i38,0,0,glFormat,glType,mipmap);}else{state.texImage2D(_gl.TEXTURE_2D,_i38,glInternalFormat,glFormat,glType,mipmap);}}texture.generateMipmaps=false;}else{if(useTexStorage){if(allocateMemory){state.texStorage2D(_gl.TEXTURE_2D,levels,glInternalFormat,image.width,image.height);}state.texSubImage2D(_gl.TEXTURE_2D,0,0,0,glFormat,glType,image);}else{state.texImage2D(_gl.TEXTURE_2D,0,glInternalFormat,glFormat,glType,image);}}}if(textureNeedsGenerateMipmaps(texture,supportsMips)){generateMipmap(textureType);}source.__currentVersion=source.version;if(texture.onUpdate)texture.onUpdate(texture);}textureProperties.__version=texture.version;}function uploadCubeTexture(textureProperties,texture,slot){if(texture.image.length!==6)return;var forceUpload=initTexture(textureProperties,texture);var source=texture.source;state.activeTexture(_gl.TEXTURE0+slot);state.bindTexture(_gl.TEXTURE_CUBE_MAP,textureProperties.__webglTexture);if(source.version!==source.__currentVersion||forceUpload===true){_gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL,texture.flipY);_gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,texture.premultiplyAlpha);_gl.pixelStorei(_gl.UNPACK_ALIGNMENT,texture.unpackAlignment);_gl.pixelStorei(_gl.UNPACK_COLORSPACE_CONVERSION_WEBGL,_gl.NONE);var isCompressed=texture.isCompressedTexture||texture.image[0].isCompressedTexture;var isDataTexture=texture.image[0]&&texture.image[0].isDataTexture;var cubeImage=[];for(var i=0;i<6;i++){if(!isCompressed&&!isDataTexture){cubeImage[i]=resizeImage(texture.image[i],false,true,maxCubemapSize);}else{cubeImage[i]=isDataTexture?texture.image[i].image:texture.image[i];}cubeImage[i]=verifyColorSpace(texture,cubeImage[i]);}var image=cubeImage[0],supportsMips=isPowerOfTwo$1(image)||isWebGL2,glFormat=utils.convert(texture.format,texture.encoding),glType=utils.convert(texture.type),glInternalFormat=getInternalFormat(texture.internalFormat,glFormat,glType,texture.encoding);var useTexStorage=isWebGL2&&texture.isVideoTexture!==true;var allocateMemory=source.__currentVersion===undefined||forceUpload===true;var levels=getMipLevels(texture,image,supportsMips);setTextureParameters(_gl.TEXTURE_CUBE_MAP,texture,supportsMips);var mipmaps;if(isCompressed){if(useTexStorage&&allocateMemory){state.texStorage2D(_gl.TEXTURE_CUBE_MAP,levels,glInternalFormat,image.width,image.height);}for(var _i39=0;_i39<6;_i39++){mipmaps=cubeImage[_i39].mipmaps;for(var j=0;j<mipmaps.length;j++){var mipmap=mipmaps[j];if(texture.format!==RGBAFormat){if(glFormat!==null){if(useTexStorage){state.compressedTexSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i39,j,0,0,mipmap.width,mipmap.height,glFormat,mipmap.data);}else{state.compressedTexImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i39,j,glInternalFormat,mipmap.width,mipmap.height,0,mipmap.data);}}else{console.warn('THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()');}}else{if(useTexStorage){state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i39,j,0,0,mipmap.width,mipmap.height,glFormat,glType,mipmap.data);}else{state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i39,j,glInternalFormat,mipmap.width,mipmap.height,0,glFormat,glType,mipmap.data);}}}}}else{mipmaps=texture.mipmaps;if(useTexStorage&&allocateMemory){// TODO: Uniformly handle mipmap definitions
904// Normal textures and compressed cube textures define base level + mips with their mipmap array
905// Uncompressed cube textures use their mipmap array only for mips (no base level)
906if(mipmaps.length>0)levels++;state.texStorage2D(_gl.TEXTURE_CUBE_MAP,levels,glInternalFormat,cubeImage[0].width,cubeImage[0].height);}for(var _i40=0;_i40<6;_i40++){if(isDataTexture){if(useTexStorage){state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i40,0,0,0,cubeImage[_i40].width,cubeImage[_i40].height,glFormat,glType,cubeImage[_i40].data);}else{state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i40,0,glInternalFormat,cubeImage[_i40].width,cubeImage[_i40].height,0,glFormat,glType,cubeImage[_i40].data);}for(var _j3=0;_j3<mipmaps.length;_j3++){var _mipmap=mipmaps[_j3];var mipmapImage=_mipmap.image[_i40].image;if(useTexStorage){state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i40,_j3+1,0,0,mipmapImage.width,mipmapImage.height,glFormat,glType,mipmapImage.data);}else{state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i40,_j3+1,glInternalFormat,mipmapImage.width,mipmapImage.height,0,glFormat,glType,mipmapImage.data);}}}else{if(useTexStorage){state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i40,0,0,0,glFormat,glType,cubeImage[_i40]);}else{state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i40,0,glInternalFormat,glFormat,glType,cubeImage[_i40]);}for(var _j4=0;_j4<mipmaps.length;_j4++){var _mipmap2=mipmaps[_j4];if(useTexStorage){state.texSubImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i40,_j4+1,0,0,glFormat,glType,_mipmap2.image[_i40]);}else{state.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i40,_j4+1,glInternalFormat,glFormat,glType,_mipmap2.image[_i40]);}}}}}if(textureNeedsGenerateMipmaps(texture,supportsMips)){// We assume images for cube map have the same size.
907generateMipmap(_gl.TEXTURE_CUBE_MAP);}source.__currentVersion=source.version;if(texture.onUpdate)texture.onUpdate(texture);}textureProperties.__version=texture.version;}// Render targets
908// Setup storage for target texture and bind it to correct framebuffer
909function setupFrameBufferTexture(framebuffer,renderTarget,texture,attachment,textureTarget){var glFormat=utils.convert(texture.format,texture.encoding);var glType=utils.convert(texture.type);var glInternalFormat=getInternalFormat(texture.internalFormat,glFormat,glType,texture.encoding);var renderTargetProperties=properties.get(renderTarget);if(!renderTargetProperties.__hasExternalTextures){if(textureTarget===_gl.TEXTURE_3D||textureTarget===_gl.TEXTURE_2D_ARRAY){state.texImage3D(textureTarget,0,glInternalFormat,renderTarget.width,renderTarget.height,renderTarget.depth,0,glFormat,glType,null);}else{state.texImage2D(textureTarget,0,glInternalFormat,renderTarget.width,renderTarget.height,0,glFormat,glType,null);}}state.bindFramebuffer(_gl.FRAMEBUFFER,framebuffer);if(useMultisampledRTT(renderTarget)){multisampledRTTExt.framebufferTexture2DMultisampleEXT(_gl.FRAMEBUFFER,attachment,textureTarget,properties.get(texture).__webglTexture,0,getRenderTargetSamples(renderTarget));}else{_gl.framebufferTexture2D(_gl.FRAMEBUFFER,attachment,textureTarget,properties.get(texture).__webglTexture,0);}state.bindFramebuffer(_gl.FRAMEBUFFER,null);}// Setup storage for internal depth/stencil buffers and bind to correct framebuffer
910function setupRenderBufferStorage(renderbuffer,renderTarget,isMultisample){_gl.bindRenderbuffer(_gl.RENDERBUFFER,renderbuffer);if(renderTarget.depthBuffer&&!renderTarget.stencilBuffer){var glInternalFormat=_gl.DEPTH_COMPONENT16;if(isMultisample||useMultisampledRTT(renderTarget)){var depthTexture=renderTarget.depthTexture;if(depthTexture&&depthTexture.isDepthTexture){if(depthTexture.type===FloatType){glInternalFormat=_gl.DEPTH_COMPONENT32F;}else if(depthTexture.type===UnsignedIntType){glInternalFormat=_gl.DEPTH_COMPONENT24;}}var samples=getRenderTargetSamples(renderTarget);if(useMultisampledRTT(renderTarget)){multisampledRTTExt.renderbufferStorageMultisampleEXT(_gl.RENDERBUFFER,samples,glInternalFormat,renderTarget.width,renderTarget.height);}else{_gl.renderbufferStorageMultisample(_gl.RENDERBUFFER,samples,glInternalFormat,renderTarget.width,renderTarget.height);}}else{_gl.renderbufferStorage(_gl.RENDERBUFFER,glInternalFormat,renderTarget.width,renderTarget.height);}_gl.framebufferRenderbuffer(_gl.FRAMEBUFFER,_gl.DEPTH_ATTACHMENT,_gl.RENDERBUFFER,renderbuffer);}else if(renderTarget.depthBuffer&&renderTarget.stencilBuffer){var _samples=getRenderTargetSamples(renderTarget);if(isMultisample&&useMultisampledRTT(renderTarget)===false){_gl.renderbufferStorageMultisample(_gl.RENDERBUFFER,_samples,_gl.DEPTH24_STENCIL8,renderTarget.width,renderTarget.height);}else if(useMultisampledRTT(renderTarget)){multisampledRTTExt.renderbufferStorageMultisampleEXT(_gl.RENDERBUFFER,_samples,_gl.DEPTH24_STENCIL8,renderTarget.width,renderTarget.height);}else{_gl.renderbufferStorage(_gl.RENDERBUFFER,_gl.DEPTH_STENCIL,renderTarget.width,renderTarget.height);}_gl.framebufferRenderbuffer(_gl.FRAMEBUFFER,_gl.DEPTH_STENCIL_ATTACHMENT,_gl.RENDERBUFFER,renderbuffer);}else{var textures=renderTarget.isWebGLMultipleRenderTargets===true?renderTarget.texture:[renderTarget.texture];for(var i=0;i<textures.length;i++){var texture=textures[i];var glFormat=utils.convert(texture.format,texture.encoding);var glType=utils.convert(texture.type);var _glInternalFormat=getInternalFormat(texture.internalFormat,glFormat,glType,texture.encoding);var _samples2=getRenderTargetSamples(renderTarget);if(isMultisample&&useMultisampledRTT(renderTarget)===false){_gl.renderbufferStorageMultisample(_gl.RENDERBUFFER,_samples2,_glInternalFormat,renderTarget.width,renderTarget.height);}else if(useMultisampledRTT(renderTarget)){multisampledRTTExt.renderbufferStorageMultisampleEXT(_gl.RENDERBUFFER,_samples2,_glInternalFormat,renderTarget.width,renderTarget.height);}else{_gl.renderbufferStorage(_gl.RENDERBUFFER,_glInternalFormat,renderTarget.width,renderTarget.height);}}}_gl.bindRenderbuffer(_gl.RENDERBUFFER,null);}// Setup resources for a Depth Texture for a FBO (needs an extension)
911function setupDepthTexture(framebuffer,renderTarget){var isCube=renderTarget&&renderTarget.isWebGLCubeRen

911derTarget;if(isCube)throw new Error('Depth Texture with cube render targets is not supported');state.bindFramebuffer(_gl.FRAMEBUFFER,framebuffer);if(!(renderTarget.depthTexture&&renderTarget.depthTexture.isDepthTexture)){throw new Error('renderTarget.depthTexture must be an instance of THREE.DepthTexture');}// upload an empty depth texture with framebuffer size
912if(!properties.get(renderTarget.depthTexture).__webglTexture||renderTarget.depthTexture.image.width!==renderTarget.width||renderTarget.depthTexture.image.height!==renderTarget.height){renderTarget.depthTexture.image.width=renderTarget.width;renderTarget.depthTexture.image.height=renderTarget.height;renderTarget.depthTexture.needsUpdate=true;}setTexture2D(renderTarget.depthTexture,0);var webglDepthTexture=properties.get(renderTarget.depthTexture).__webglTexture;var samples=getRenderTargetSamples(renderTarget);if(renderTarget.depthTexture.format===DepthFormat){if(useMultisampledRTT(renderTarget)){multisampledRTTExt.framebufferTexture2DMultisampleEXT(_gl.FRAMEBUFFER,_gl.DEPTH_ATTACHMENT,_gl.TEXTURE_2D,webglDepthTexture,0,samples);}else{_gl.framebufferTexture2D(_gl.FRAMEBUFFER,_gl.DEPTH_ATTACHMENT,_gl.TEXTURE_2D,webglDepthTexture,0);}}else if(renderTarget.depthTexture.format===DepthStencilFormat){if(useMultisampledRTT(renderTarget)){multisampledRTTExt.framebufferTexture2DMultisampleEXT(_gl.FRAMEBUFFER,_gl.DEPTH_STENCIL_ATTACHMENT,_gl.TEXTURE_2D,webglDepthTexture,0,samples);}else{_gl.framebufferTexture2D(_gl.FRAMEBUFFER,_gl.DEPTH_STENCIL_ATTACHMENT,_gl.TEXTURE_2D,webglDepthTexture,0);}}else{throw new Error('Unknown depthTexture format');}}// Setup GL resources for a non-texture depth buffer
913function setupDepthRenderbuffer(renderTarget){var renderTargetProperties=properties.get(renderTarget);var isCube=renderTarget.isWebGLCubeRenderTarget===true;if(renderTarget.depthTexture&&!renderTargetProperties.__autoAllocateDepthBuffer){if(isCube)throw new Error('target.depthTexture not supported in Cube render targets');setupDepthTexture(renderTargetProperties.__webglFramebuffer,renderTarget);}else{if(isCube){renderTargetProperties.__webglDepthbuffer=[];for(var i=0;i<6;i++){state.bindFramebuffer(_gl.FRAMEBUFFER,renderTargetProperties.__webglFramebuffer[i]);renderTargetProperties.__webglDepthbuffer[i]=_gl.createRenderbuffer();setupRenderBufferStorage(renderTargetProperties.__webglDepthbuffer[i],renderTarget,false);}}else{state.bindFramebuffer(_gl.FRAMEBUFFER,renderTargetProperties.__webglFramebuffer);renderTargetProperties.__webglDepthbuffer=_gl.createRenderbuffer();setupRenderBufferStorage(renderTargetProperties.__webglDepthbuffer,renderTarget,false);}}state.bindFramebuffer(_gl.FRAMEBUFFER,null);}// rebind framebuffer with external textures
914function rebindTextures(renderTarget,colorTexture,depthTexture){var renderTargetProperties=properties.get(renderTarget);if(colorTexture!==undefined){setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer,renderTarget,renderTarget.texture,_gl.COLOR_ATTACHMENT0,_gl.TEXTURE_2D);}if(depthTexture!==undefined){setupDepthRenderbuffer(renderTarget);}}// Set up GL resources for the render target
915function setupRenderTarget(renderTarget){var texture=renderTarget.texture;var renderTargetProperties=properties.get(renderTarget);var textureProperties=properties.get(texture);renderTarget.addEventListener('dispose',onRenderTargetDispose);if(renderTarget.isWebGLMultipleRenderTargets!==true){if(textureProperties.__webglTexture===undefined){textureProperties.__webglTexture=_gl.createTexture();}textureProperties.__version=texture.version;info.memory.textures++;}var isCube=renderTarget.isWebGLCubeRenderTarget===true;var isMultipleRenderTargets=renderTarget.isWebGLMultipleRenderTargets===true;var supportsMips=isPowerOfTwo$1(renderTarget)||isWebGL2;// Setup framebuffer
916if(isCube){renderTargetProperties.__webglFramebuffer=[];for(var i=0;i<6;i++){renderTargetProperties.__webglFramebuffer[i]=_gl.createFramebuffer();}}else{renderTargetProperties.__webglFramebuffer=_gl.createFramebuffer();if(isMultipleRenderTargets){if(capabilities.drawBuffers){var textures=renderTarget.texture;for(var _i41=0,il=textures.length;_i41<il;_i41++){var attachmentProperties=properties.get(textures[_i41]);if(attachmentProperties.__webglTexture===undefined){attachmentProperties.__webglTexture=_gl.createTexture();info.memory.textures++;}}}else{console.warn('THREE.WebGLRenderer: WebGLMultipleRenderTargets can only be used with WebGL2 or WEBGL_draw_buffers extension.');}}if(isWebGL2&&renderTarget.samples>0&&useMultisampledRTT(renderTarget)===false){var _textures=isMultipleRenderTargets?texture:[texture];renderTargetProperties.__webglMultisampledFramebuffer=_gl.createFramebuffer();

916renderTargetProperties.__webglColorRenderbuffer=[];state.bindFramebuffer(_gl.FRAMEBUFFER,renderTargetProperties.__webglMultisampledFramebuffer);for(var _i42=0;_i42<_textures.length;_i42++){var _texture=_textures[_i42];renderTargetProperties.__webglColorRenderbuffer[_i42]=_gl.createRenderbuffer();_gl.bindRenderbuffer(_gl.RENDERBUFFER,renderTargetProperties.__webglColorRenderbuffer[_i42]);var glFormat=utils.convert(_texture.format,_texture.encoding);var glType=utils.convert(_texture.type);var glInternalFormat=getInternalFormat(_texture.internalFormat,glFormat,glType,_texture.encoding);var samples=getRenderTargetSamples(renderTarget);_gl.renderbufferStorageMultisample(_gl.RENDERBUFFER,samples,glInternalFormat,renderTarget.width,renderTarget.height);_gl.framebufferRenderbuffer(_gl.FRAMEBUFFER,_gl.COLOR_ATTACHMENT0+_i42,_gl.RENDERBUFFER,renderTargetProperties.__webglColorRenderbuffer[_i42]);}_gl.bindRenderbuffer(_gl.RENDERBUFFER,null);if(renderTarget.depthBuffer){renderTargetProperties.__webglDepthRenderbuffer=_gl.createRenderbuffer();setupRenderBufferStorage(renderTargetProperties.__webglDepthRenderbuffer,renderTarget,true);}state.bindFramebuffer(_gl.FRAMEBUFFER,null);}}// Setup color buffer
917if(isCube){state.bindTexture(_gl.TEXTURE_CUBE_MAP,textureProperties.__webglTexture);setTextureParameters(_gl.TEXTURE_CUBE_MAP,texture,supportsMips);for(var _i43=0;_i43<6;_i43++){setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer[_i43],renderTarget,texture,_gl.COLOR_ATTACHMENT0,_gl.TEXTURE_CUBE_MAP_POSITIVE_X+_i43);}if(textureNeedsGenerateMipmaps(texture,supportsMips)){generateMipmap(_gl.TEXTURE_CUBE_MAP);}state.unbindTexture();}else if(isMultipleRenderTargets){var _textures2=renderTarget.texture;for(var _i44=0,_il11=_textures2.length;_i44<_il11;_i44++){var attachment=_textures2[_i44];var _attachmentProperties=properties.get(attachment);state.bindTexture(_gl.TEXTURE_2D,_attachmentProperties.__webglTexture);setTextureParameters(_gl.TEXTURE_2D,attachment,supportsMips);setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer,renderTarget,attachment,_gl.COLOR_ATTACHMENT0+_i44,_gl.TEXTURE_2D);if(textureNeedsGenerateMipmaps(attachment,supportsMips)){generateMipmap(_gl.TEXTURE_2D);}}state.unbindTexture();}else{var glTextureType=_gl.TEXTURE_2D;if(renderTarget.isWebGL3DRenderTarget||renderTarget.isWebGLArrayRenderTarget){if(isWebGL2){glTextureType=renderTarget.isWebGL3DRenderTarget?_gl.TEXTURE_3D:_gl.TEXTURE_2D_ARRAY;}else{console.error('THREE.WebGLTextures: THREE.Data3DTexture and THREE.DataArrayTexture only supported with WebGL2.');}}state.bindTexture(glTextureType,textureProperties.__webglTexture);setTextureParameters(glTextureType,texture,supportsMips);setupFrameBufferTexture(renderTargetProperties.__webglFramebuffer,renderTarget,texture,_gl.COLOR_ATTACHMENT0,glTextureType);if(textureNeedsGenerateMipmaps(texture,supportsMips)){generateMipmap(glTextureType);}state.unbindTexture();}// Setup depth and stencil buffers
918if(renderTarget.depthBuffer){setupDepthRenderbuffer(renderTarget);}}function updateRenderTargetMipmap(renderTarget){var supportsMips=isPowerOfTwo$1(renderTarget)||isWebGL2;var textures=renderTarget.isWebGLMultipleRenderTargets===true?renderTarget.texture:[renderTarget.texture];for(var i=0,il=textures.length;i<il;i++){var texture=textures[i];if(textureNeedsGenerateMipmaps(texture,supportsMips)){var target=renderTarget.isWebGLCubeRenderTarget?_gl.TEXTURE_CUBE_MAP:_gl.TEXTURE_2D;var webglTexture=properties.get(texture).__webglTexture;state.bindTexture(target,webglTexture);generateMipmap(target);state.unbindTexture();}}}function updateMultisampleRenderTarget(renderTarget){if(isWebGL2&&renderTarget.samples>0&&useMultisampledRTT(renderTarget)===false){var textures=renderTarget.isWebGLMultipleRenderTargets?renderTarget.texture:[renderTarget.texture];var width=renderTarget.width;var height=renderTarget.height;var mask=_gl.COLOR_BUFFER_BIT;var invalidationArray=[];var depthStyle=renderTarget.stencilBuffer?_gl.DEPTH_STENCIL_ATTACHMENT:_gl.DEPTH_ATTACHMENT;var renderTargetProperties=properties.get(renderTarget);var isMultipleRenderTargets=renderTarget.isWebGLMultipleRenderTargets===true;// If MRT we need to remove FBO attachments
919if(isMultipleRenderTargets){for(var i=0;i<textures.length;i++){state.bindFramebuffer(_gl.FRAMEBUFFER,renderTargetProperties.__webglMultisampledFramebuffer);_gl.framebufferRenderbuffer(_gl.FRAMEBUFFER,_gl.COLOR_ATTACHMENT0+i,_gl.RENDERBUFFER,null);state.bindFramebuffer(_gl.FRAMEBUFFER,renderTargetProperties.__webglFramebuffer);_gl.framebufferTexture2D(_gl.DRAW_FRAMEBUFFER,_gl.COLOR_ATTACHMENT0+i,_gl.TEXTURE_2D,null,0);}}state.bindFramebuffer(_gl.READ_FRAMEBUFFER,renderTargetProperties.__webglMultisampledFramebuffer);state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER,renderTargetProperties.__webglFramebuffer);for(var _i45=0;_i45<textures.length;

919_i45++){invalidationArray.push(_gl.COLOR_ATTACHMENT0+_i45);if(renderTarget.depthBuffer){invalidationArray.push(depthStyle);}var ignoreDepthValues=renderTargetProperties.__ignoreDepthValues!==undefined?renderTargetProperties.__ignoreDepthValues:false;if(ignoreDepthValues===false){if(renderTarget.depthBuffer)mask|=_gl.DEPTH_BUFFER_BIT;if(renderTarget.stencilBuffer)mask|=_gl.STENCIL_BUFFER_BIT;}if(isMultipleRenderTargets){_gl.framebufferRenderbuffer(_gl.READ_FRAMEBUFFER,_gl.COLOR_ATTACHMENT0,_gl.RENDERBUFFER,renderTargetProperties.__webglColorRenderbuffer[_i45]);}if(ignoreDepthValues===true){_gl.invalidateFramebuffer(_gl.READ_FRAMEBUFFER,[depthStyle]);_gl.invalidateFramebuffer(_gl.DRAW_FRAMEBUFFER,[depthStyle]);}if(isMultipleRenderTargets){var webglTexture=properties.get(textures[_i45]).__webglTexture;_gl.framebufferTexture2D(_gl.DRAW_FRAMEBUFFER,_gl.COLOR_ATTACHMENT0,_gl.TEXTURE_2D,webglTexture,0);}_gl.blitFramebuffer(0,0,width,height,0,0,width,height,mask,_gl.NEAREST);if(supportsInvalidateFramebuffer){_gl.invalidateFramebuffer(_gl.READ_FRAMEBUFFER,invalidationArray);}}state.bindFramebuffer(_gl.READ_FRAMEBUFFER,null);state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER,null);// If MRT since pre-blit we removed the FBO we need to reconstruct the attachments
920if(isMultipleRenderTargets){for(var _i46=0;_i46<textures.length;_i46++){state.bindFramebuffer(_gl.FRAMEBUFFER,renderTargetProperties.__webglMultisampledFramebuffer);_gl.framebufferRenderbuffer(_gl.FRAMEBUFFER,_gl.COLOR_ATTACHMENT0+_i46,_gl.RENDERBUFFER,renderTargetProperties.__webglColorRenderbuffer[_i46]);var _webglTexture=properties.get(textures[_i46]).__webglTexture;state.bindFramebuffer(_gl.FRAMEBUFFER,renderTargetProperties.__webglFramebuffer);_gl.framebufferTexture2D(_gl.DRAW_FRAMEBUFFER,_gl.COLOR_ATTACHMENT0+_i46,_gl.TEXTURE_2D,_webglTexture,0);}}state.bindFramebuffer(_gl.DRAW_FRAMEBUFFER,renderTargetProperties.__webglMultisampledFramebuffer);}}function getRenderTargetSamples(renderTarget){return Math.min(maxSamples,renderTarget.samples);}function useMultisampledRTT(renderTarget){var renderTargetProperties=properties.get(renderTarget);return isWebGL2&&renderTarget.samples>0&&extensions.has('WEBGL_multisampled_render_to_texture')===true&&renderTargetProperties.__useRenderToTexture!==false;}function updateVideoTexture(texture){var frame=info.render.frame;// Check the last frame we updated the VideoTexture
921if(_videoTextures.get(texture)!==frame){_videoTextures.set(texture,frame);texture.update();}}function verifyColorSpace(texture,image){var encoding=texture.encoding;var format=texture.format;var type=texture.type;if(texture.isCompressedTexture===true||texture.isVideoTexture===true||texture.format===_SRGBAFormat)return image;if(encoding!==LinearEncoding){// sRGB
922if(encoding===sRGBEncoding){if(isWebGL2===false){// in WebGL 1, try to use EXT_sRGB extension and unsized formats
923if(extensions.has('EXT_sRGB')===true&&format===RGBAFormat){texture.format=_SRGBAFormat;// it's not possible to generate mips in WebGL 1 with this extension
924texture.minFilter=LinearFilter;texture.generateMipmaps=false;}else{// slow fallback (CPU decode)
925image=ImageUtils.sRGBToLinear(image);}}else{// in WebGL 2 uncompressed textures can only be sRGB encoded if they have the RGBA8 format
926if(format!==RGBAFormat||type!==UnsignedByteType){console.warn('THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType.');}}}else{console.error('THREE.WebGLTextures: Unsupported texture encoding:',encoding);}}return image;}//
927this.allocateTextureUnit=allocateTextureUnit;this.resetTextureUnits=resetTextureUnits;this.setTexture2D=setTexture2D;this.setTexture2DArray=setTexture2DArray;this.setTexture3D=setTexture3D;this.setTextureCube=setTextureCube;this.rebindTextures=rebindTextures;this.setupRenderTarget=setupRenderTarget;this.updateRenderTargetMipmap=updateRenderTargetMipmap;this.updateMultisampleRenderTarget=updateMultisampleRenderTarget;this.setupDepthRenderbuffer=setupDepthRenderbuffer;this.setupFrameBufferTexture=setupFrameBufferTexture;this.useMultisampledRTT=useMultisampledRTT;}function WebGLUtils(gl,extensions,capabilities){var isWebGL2=capabilities.isWebGL2;function convert(p){var encoding=arguments.length>1&&arguments[1]!==undefined?arguments[1]:null;var extension;if(p===UnsignedByteType)return gl.UNSIGNED_BYTE;if(p===UnsignedShort4444Type)return gl.UNSIGNED_SHORT_4_4_4_4;if(p===UnsignedShort5551Type)return gl.UNSIGNED_SHORT_5_5_5_1;if(p===ByteType)return gl.BYTE;if(p===ShortType)return gl.SHORT;if(p===UnsignedShortType)return gl.UNSIGNED_SHORT;if(p===IntType)return gl.INT;if(p===UnsignedIntType)return gl.UNSIGNED_INT;if(p===FloatType)return gl.FLOAT;if(p===HalfFloatType){if(isWebGL2)return gl.HALF_FLOAT;extension=extensions.get('OES_texture_half_float');if(extension!==null){return extension.HALF_FLOAT_OES;}else{return null;}}if(p===AlphaFormat)return gl.ALPHA;if(p===RGBAFormat)return gl.RGBA;if(p===LuminanceFormat)return gl.LUMINANCE;if(p===LuminanceAlphaFormat)return gl.LUMINANCE_ALPHA;if(p===DepthFormat)return gl.DEPTH_COMPONENT;if(p===DepthStencilFormat)return gl.DEPTH_STENCIL;if(p===RedFormat)return gl.RED;if(p===RGBFormat){console.warn('THREE.WebGLRenderer: THREE.RGBFormat has been removed. Use THREE.RGBAFormat instead. https://github.com/mrdoob/three.js/pull/23228');return gl.RGBA;}// WebGL 1 sRGB fallback
928if(p===_SRGBAFormat){extension=extensions.get('EXT_sRGB');if(extension!==null){return extension.SRGB_ALPHA_EXT;}else{return null;}}// WebGL2 formats.
929if(p===RedIntegerFormat)return gl.RED_INTEGER;if(p===RGFormat)return gl.RG;if(p===RGIntegerFormat)return gl.RG_INTEGER;if(p===RGBAIntegerFormat)return gl.RGBA_INTEGER;// S3TC
930if(p===RGB_S3TC_DXT1_Format||p===RGBA_S3TC_DXT1_Format||p===RGBA_S3TC_DXT3_Format||p===RGBA_S3TC_DXT5_Format){if(encoding===sRGBEncoding){extension=extensions.get('WEBGL_compressed_texture_s3tc_srgb');if(extension!==null){if(p===RGB_S3TC_DXT1_Format)return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(p===RGBA_S3TC_DXT1_Format)return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(p===RGBA_S3TC_DXT3_Format)return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(p===RGBA_S3TC_DXT5_Format)return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;}else{return null;}}else{extension=extensions.get('WEBGL_compressed_texture_s3tc');if(extension!==null){if(p===RGB_S3TC_DXT1_Format)return extension.COMPRESSED_RGB_S3TC_DXT1_EXT;if(p===RGBA_S3TC_DXT1_Format)return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(p===RGBA_S3TC_DXT3_Format)return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(p===RGBA_S3TC_DXT5_Format)return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT;}else{return null;}}}// PVRTC
931if(p===RGB_PVRTC_4BPPV1_Format||p===RGB_PVRTC_2BPPV1_Format||p===RGBA_PVRTC_4BPPV1_Format||p===RGBA_PVRTC_2BPPV1_Format){extension=extensions.get('WEBGL_compressed_texture_pvrtc');if(extension!==null){if(p===RGB_PVRTC_4BPPV1_Format)return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(p===RGB_PVRTC_2BPPV1_Format)return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(p===RGBA_PVRTC_4BPPV1_Format)return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(p===RGBA_PVRTC_2BPPV1_Format)return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;}else{return null;}}// ETC1
932if(p===RGB_ETC1_Format){extension=extensions.get('WEBGL_compressed_texture_etc1');if(extension!==null){return extension.COMPRESSED_RGB_ETC1_WEBGL;}else{return null;}}// ETC2
933if(p===RGB_ETC2_Format||p===RGBA_ETC2_EAC_Format){extension=extensions.get('WEBGL_compressed_texture_etc');if(extension!==null){if(p===RGB_ETC2_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ETC2:extension.COMPRESSED_RGB8_ETC2;if(p===RGBA_ETC2_EAC_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:extension.COMPRESSED_RGBA8_ETC2_EAC;}else{return null;}}// ASTC
934if(p===RGBA_ASTC_4x4_Format||p===RGBA_ASTC_5x4_Format||p===RGBA_ASTC_5x5_Format||p===RGBA_ASTC_6x5_Format||p===RGBA_ASTC_6x6_Format||p===RGBA_ASTC_8x5_Format||p===RGBA_ASTC_8x6_Format||p===RGBA_ASTC_8x8_Format||p===RGBA_ASTC_10x5_Format||p===RGBA_ASTC_10x6_Format||p===RGBA_ASTC_10x8_Format||p===RGBA_ASTC_10x10_Format||p===RGBA_ASTC_12x10_Format||p===RGBA_ASTC_12x12_Format){extension=extensions.get('WEBGL_compressed_texture_astc');if(extension!==null){if(p===RGBA_ASTC_4x4_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:extension.COMPRESSED_RGBA_ASTC_4x4_KHR;if(p===RGBA_ASTC_5x4_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:extension.COMPRESSED_RGBA_ASTC_5x4_KHR;if(p===RGBA_ASTC_5x5_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:extension.COMPRESSED_RGBA_ASTC_5x5_KHR;if(p===RGBA_ASTC_6x5_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:extension.COMPRESSED_RGBA_ASTC_6x5_KHR;if(p===RGBA_ASTC_6x6_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:extension.COMPRESSED_RGBA_ASTC_6x6_KHR;if(p===RGBA_ASTC_8x5_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:extension.COMPRESSED_RGBA_ASTC_8x5_KHR;if(p===RGBA_ASTC_8x6_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:extension.COMPRESSED_RGBA_ASTC_8x6_KHR;if(p===RGBA_ASTC_8x8_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:extension.COMPRESSED_RGBA_ASTC_8x8_KHR;if(p===RGBA_ASTC_10x5_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:extension.COMPRESSED_RGBA_ASTC_10x5_KHR;if(p===RGBA_ASTC_10x6_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:extension.COMPRESSED_RGBA_ASTC_10x6_KHR;if(p===RGBA_ASTC_10x8_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:extension.COMPRESSED_RGBA_ASTC_10x8_KHR;if(p===RGBA_ASTC_10x10_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:extension.COMPRESSED_RGBA_ASTC_10x10_KHR;if(p===RGBA_ASTC_12x10_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:extension.COMPRESSED_RGBA_ASTC_12x10_KHR;if(p===RGBA_ASTC_12x12_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:extension.COMPRESSED_RGBA_ASTC_12x12_KHR;}else{return null;}}

934// BPTC
935if(p===RGBA_BPTC_Format){extension=extensions.get('EXT_texture_compression_bptc');if(extension!==null){if(p===RGBA_BPTC_Format)return encoding===sRGBEncoding?extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:extension.COMPRESSED_RGBA_BPTC_UNORM_EXT;}else{return null;}}//
936if(p===UnsignedInt248Type){if(isWebGL2)return gl.UNSIGNED_INT_24_8;extension=extensions.get('WEBGL_depth_texture');if(extension!==null){return extension.UNSIGNED_INT_24_8_WEBGL;}else{return null;}}// if "p" can't be resolved, assume the user defines a WebGL constant as a string (fallback/workaround for packed RGB formats)
937return gl[p]!==undefined?gl[p]:null;}return{convert:convert};}var ArrayCamera=/*#__PURE__*/function(_PerspectiveCamera){_inherits(ArrayCamera,_PerspectiveCamera);var _super34=_createSuper(ArrayCamera);function ArrayCamera(){var _this26;var array=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];_classCallCheck(this,ArrayCamera);_this26=_super34.call(this);_this26.isArrayCamera=true;_this26.cameras=array;return _this26;}return _createClass(ArrayCamera);}(PerspectiveCamera);var Group=/*#__PURE__*/function(_Object3D4){_inherits(Group,_Object3D4);var _super35=_createSuper(Group);function Group(){var _this27;_classCallCheck(this,Group);_this27=_super35.call(this);_this27.isGroup=true;_this27.type='Group';return _this27;}return _createClass(Group);}(Object3D);var _moveEvent={type:'move'};var WebXRController=/*#__PURE__*/function(){function WebXRController(){_classCallCheck(this,WebXRController);this._targetRay=null;this._grip=null;this._hand=null;}_createClass(WebXRController,[{key:"getHandSpace",value:function getHandSpace(){if(this._hand===null){this._hand=new Group();this._hand.matrixAutoUpdate=false;this._hand.visible=false;this._hand.joints={};this._hand.inputState={pinching:false};}return this._hand;}},{key:"getTargetRaySpace",value:function getTargetRaySpace(){if(this._targetRay===null){this._targetRay=new Group();this._targetRay.matrixAutoUpdate=false;this._targetRay.visible=false;this._targetRay.hasLinearVelocity=false;this._targetRay.linearVelocity=new Vector3();this._targetRay.hasAngularVelocity=false;this._targetRay.angularVelocity=new Vector3();}return this._targetRay;}},{key:"getGripSpace",value:function getGripSpace(){if(this._grip===null){this._grip=new Group();this._grip.matrixAutoUpdate=false;this._grip.visible=false;this._grip.hasLinearVelocity=false;this._grip.linearVelocity=new Vector3();this._grip.hasAngularVelocity=false;this._grip.angularVelocity=new Vector3();}return this._grip;}},{key:"dispatchEvent",value:function dispatchEvent(event){if(this._targetRay!==null){this._targetRay.dispatchEvent(event);}if(this._grip!==null){this._grip.dispatchEvent(event);}if(this._hand!==null){this._hand.dispatchEvent(event);}return this;}},{key:"disconnect",value:function disconnect(inputSource){this.dispatchEvent({type:'disconnected',data:inputSource});if(this._targetRay!==null){this._targetRay.visible=false;}if(this._grip!==null){this._grip.visible=false;}if(this._hand!==null){this._hand.visible=false;}return this;}},{key:"update",value:function update(inputSource,frame,referenceSpace){var inputPose=null;var gripPose=null;var handPose=null;var targetRay=this._targetRay;var grip=this._grip;var hand=this._hand;if(inputSource&&frame.session.visibilityState!=='visible-blurred'){if(hand&&inputSource.hand){handPose=true;var _iterator2=_createForOfIteratorHelper(inputSource.hand.values()),_step2;try{for(_iterator2.s();!(_step2=_iterator2.n()).done;){var inputjoint=_step2.value;// Update the joints groups with the XRJoint poses
938var jointPose=frame.getJointPose(inputjoint,referenceSpace);if(hand.joints[inputjoint.jointName]===undefined){// The transform of this joint will be updated with the joint pose on each frame
939var _joint=new Group();_joint.matrixAutoUpdate=false;_joint.visible=false;hand.joints[inputjoint.jointName]=_joint;// ??
940hand.add(_joint);}var joint=hand.joints[inputjoint.jointName];if(jointPose!==null){joint.matrix.fromArray(jointPose.transform.matrix);joint.matrix.decompose(joint.position,joint.rotation,joint.scale);joint.jointRadius=jointPose.radius;}joint.visible=jointPose!==null;}// Custom events
941// Check pinchz
942}catch(err){_iterator2.e(err);}finally{_iterator2.f();}var indexTip=hand.joints['index-finger-tip'];

942var thumbTip=hand.joints['thumb-tip'];var distance=indexTip.position.distanceTo(thumbTip.position);var distanceToPinch=0.02;var threshold=0.005;if(hand.inputState.pinching&&distance>distanceToPinch+threshold){hand.inputState.pinching=false;this.dispatchEvent({type:'pinchend',handedness:inputSource.handedness,target:this});}else if(!hand.inputState.pinching&&distance<=distanceToPinch-threshold){hand.inputState.pinching=true;this.dispatchEvent({type:'pinchstart',handedness:inputSource.handedness,target:this});}}else{if(grip!==null&&inputSource.gripSpace){gripPose=frame.getPose(inputSource.gripSpace,referenceSpace);if(gripPose!==null){grip.matrix.fromArray(gripPose.transform.matrix);grip.matrix.decompose(grip.position,grip.rotation,grip.scale);if(gripPose.linearVelocity){grip.hasLinearVelocity=true;grip.linearVelocity.copy(gripPose.linearVelocity);}else{grip.hasLinearVelocity=false;}if(gripPose.angularVelocity){grip.hasAngularVelocity=true;grip.angularVelocity.copy(gripPose.angularVelocity);}else{grip.hasAngularVelocity=false;}}}}if(targetRay!==null){inputPose=frame.getPose(inputSource.targetRaySpace,referenceSpace);// Some runtimes (namely Vive Cosmos with Vive OpenXR Runtime) have only grip space and ray space is equal to it
943if(inputPose===null&&gripPose!==null){inputPose=gripPose;}if(inputPose!==null){targetRay.matrix.fromArray(inputPose.transform.matrix);targetRay.matrix.decompose(targetRay.position,targetRay.rotation,targetRay.scale);if(inputPose.linearVelocity){targetRay.hasLinearVelocity=true;targetRay.linearVelocity.copy(inputPose.linearVelocity);}else{targetRay.hasLinearVelocity=false;}if(inputPose.angularVelocity){targetRay.hasAngularVelocity=true;targetRay.angularVelocity.copy(inputPose.angularVelocity);}else{targetRay.hasAngularVelocity=false;}this.dispatchEvent(_moveEvent);}}}if(targetRay!==null){targetRay.visible=inputPose!==null;}if(grip!==null){grip.visible=gripPose!==null;}if(hand!==null){hand.visible=handPose!==null;}return this;}}]);return WebXRController;}();var DepthTexture=/*#__PURE__*/function(_Texture4){_inherits(DepthTexture,_Texture4);var _super36=_createSuper(DepthTexture);function DepthTexture(width,height,type,mapping,wrapS,wrapT,magFilter,minFilter,anisotropy,format){var _this28;_classCallCheck(this,DepthTexture);format=format!==undefined?format:DepthFormat;if(format!==DepthFormat&&format!==DepthStencilFormat){throw new Error('DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat');}if(type===undefined&&format===DepthFormat)type=UnsignedIntType;if(type===undefined&&format===DepthStencilFormat)type=UnsignedInt248Type;_this28=_super36.call(this,null,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy);_this28.isDepthTexture=true;_this28.image={width:width,height:height};_this28.magFilter=magFilter!==undefined?magFilter:NearestFilter;_this28.minFilter=minFilter!==undefined?minFilter:NearestFilter;_this28.flipY=false;_this28.generateMipmaps=false;return _this28;}return _createClass(DepthTexture);}(Texture);

943var WebXRManager=/*#__PURE__*/function(_EventDispatcher6){_inherits(WebXRManager,_EventDispatcher6);var _super37=_createSuper(WebXRManager);function WebXRManager(renderer,gl){var _this29;_classCallCheck(this,WebXRManager);_this29=_super37.call(this);var scope=_assertThisInitialized(_this29);var session=null;var framebufferScaleFactor=1.0;var referenceSpace=null;var referenceSpaceType='local-floor';var customReferenceSpace=null;var pose=null;var glBinding=null;var glProjLayer=null;var glBaseLayer=null;var xrFrame=null;var attributes=gl.getContextAttributes();var initialRenderTarget=null;var newRenderTarget=null;var controllers=[];var controllerInputSources=[];//
944var cameraL=new PerspectiveCamera();cameraL.layers.enable(1);cameraL.viewport=new Vector4();var cameraR=new PerspectiveCamera();cameraR.layers.enable(2);cameraR.viewport=new Vector4();var cameras=[cameraL,cameraR];var cameraVR=new ArrayCamera();cameraVR.layers.enable(1);cameraVR.layers.enable(2);var _currentDepthNear=null;var _currentDepthFar=null;//
945_this29.cameraAutoUpdate=true;_this29.enabled=false;_this29.isPresenting=false;_this29.getController=function(index){var controller=controllers[index];if(controller===undefined){controller=new WebXRController();controllers[index]=controller;}return controller.getTargetRaySpace();};_this29.getControllerGrip=function(index){var controller=controllers[index];if(controller===undefined){controller=new WebXRController();controllers[index]=controller;}return controller.getGripSpace();};_this29.getHand=function(index){var controller=controllers[index];if(controller===undefined){controller=new WebXRController();controllers[index]=controller;}return controller.getHandSpace();};//
946function onSessionEvent(event){var controllerIndex=controllerInputSources.indexOf(event.inputSource);if(controllerIndex===-1){return;}var controller=controllers[controllerIndex];if(controller!==undefined){controller.dispatchEvent({type:event.type,data:event.inputSource});}}function onSessionEnd(){session.removeEventListener('select',onSessionEvent);session.removeEventListener('selectstart',onSessionEvent);session.removeEventListener('selectend',onSessionEvent);session.removeEventListener('squeeze',onSessionEvent);session.removeEventListener('squeezestart',onSessionEvent);session.removeEventListener('squeezeend',onSessionEvent);session.removeEventListener('end',onSessionEnd);session.removeEventListener('inputsourceschange',onInputSourcesChange);for(var i=0;i<controllers.length;i++){var inputSource=controllerInputSources[i];if(inputSource===null)continue;controllerInputSources[i]=null;controllers[i].disconnect(inputSource);}_currentDepthNear=null;_currentDepthFar=null;// restore framebuffer/rendering state
947renderer.setRenderTarget(initialRenderTarget);glBaseLayer=null;glProjLayer=null;glBinding=null;session=null;newRenderTarget=null;//
948animation.stop();scope.isPresenting=false;scope.dispatchEvent({type:'sessionend'});}_this29.setFramebufferScaleFactor=function(value){framebufferScaleFactor=value;if(scope.isPresenting===true){console.warn('THREE.WebXRManager: Cannot change framebuffer scale while presenting.');}};_this29.setReferenceSpaceType=function(value){referenceSpaceType=value;if(scope.isPresenting===true){console.warn('THREE.WebXRManager: Cannot change reference space type while presenting.');}};_this29.getReferenceSpace=function(){return customReferenceSpace||referenceSpace;};_this29.setReferenceSpace=function(space){customReferenceSpace=space;};_this29.getBaseLayer=function(){return glProjLayer!==null?glProjLayer:glBaseLayer;};_this29.getBinding=function(){return glBinding;};_this29.getFrame=function(){return xrFrame;};_this29.getSession=function(){return session;};_this29.setSession=/*#__PURE__*/function(){var _ref=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(value){var layerInit,depthFormat,depthType,glDepthFormat,projectionlayerInit,renderTargetProperties;return _regeneratorRuntime().wrap(function _callee$(_context8){while(1)switch(_context8.prev=_context8.next){case 0:session=value;if(!(session!==null)){_context8.next=25;break;}initialRenderTarget=renderer.getRenderTarget();session.addEventListener('select',onSessionEvent);session.addEventListener('selectstart',onSessionEvent);session.addEventListener('selectend',onSessionEvent);session.addEventListener('squeeze',onSessionEvent);session.addEventListener('squeezestart',onSessionEvent);session.addEventListener('squeezeend',onSessionEvent);session.addEventListener('end',onSessionEnd);session.addEventListener('inputsourceschange',onInputSourcesChange);if(!(attributes.xrCompatible!==true)){_context8.next=14;break;}_context8.next=14;return gl.makeXRCompatible();case 14:if(session.renderState.layers===undefined||renderer.capabilities.isWebGL2===false){layerInit={antialias:session.renderState.layers===undefined?attributes.antialias:true,alpha:attributes.alpha,depth:attributes.depth,stencil:attributes.stencil,framebufferScaleFactor:framebufferScaleFactor};glBaseLayer=new XRWebGLLayer(session,gl,layerInit);session.updateRenderState({baseLayer:glBaseLayer});newRenderTarget=new WebGLRenderTarget(glBaseLayer.framebufferWidth,glBaseLayer.framebufferHeight,{format:RGBAFormat,type:UnsignedByteType,encoding:renderer.outputEncoding});}else{depthFormat=null;depthType=null;glDepthFormat=null;if(attributes.depth){glDepthFormat=attributes.stencil?gl.DEPTH24_STENCIL8:gl.DEPTH_COMPONENT24;depthFormat=attributes.stencil?DepthStencilFormat:DepthFormat;depthType=attributes.stencil?UnsignedInt248Type:UnsignedIntType;}projectionlayerInit={colorFormat:gl.RGBA8,depthFormat:glDepthFormat,scaleFactor:framebufferScaleFactor};glBinding=new XRWebGLBinding(session,gl);glProjLayer=glBinding.createProjectionLayer(projectionlayerInit);session.updateRenderState({layers:[glProjLayer]});newRenderTarget=new WebGLRenderTarget(glProjLayer.textureWidth,glProjLayer.textureHeight,{format:RGBAFormat,type:UnsignedByteType,depthTexture:new DepthTexture(glProjLayer.textureWidth,glProjLayer.textureHeight,depthType,undefined,undefined,undefined,undefined,undefined,undefined,depthFormat),stencilBuffer:attributes.stencil,encoding:renderer.outputEncoding,samples:attributes.antialias?4:0});renderTargetProperties=renderer.properties.get(newRenderTarget);renderTargetProperties.__ignoreDepthValues=glProjLayer.ignoreDepthValues;}newRenderTarget.isXRRenderTarget=true;// TODO Remove this when possible, see #23278
949// Set foveation to maximum.
950this.setFoveation(1.0);customReferenceSpace=null;_context8.next=20;return session.requestReferenceSpace(referenceSpaceType);case 20:referenceSpace=_context8.sent;animation.setContext(session);animation.start();scope.isPresenting=true;scope.dispatchEvent({type:'sessionstart'});case 25:case"end":return _context8.stop();}},_callee,this);}));return function(_x3){return _ref.apply(this,arguments);};}();function onInputSourcesChange(event){// Notify disconnected
951for(var i=0;i<event.removed.length;i++){var inputSource=event.removed[i];var index=controllerInputSources.indexOf(inputSource);if(index>=0){controllerInputSources[index]=null;controllers[index].dispatchEvent({type:'disconnected',data:inputSource});}}// Notify connected
952for(var _i47=0;_i47<event.added.length;_i47++){var _inputSource=event.added[_i47];var controllerIndex=controllerInputSources.indexOf(_inputSource);if(controllerIndex===-1){// Assign input source a controller that currently has no input source
953for(var _i48=0;_i48<controllers.length;_i48++){if(_i48>=controllerInputSources.length){controllerInputSources.push(_inputSource);controllerIndex=_i48;break;}else if(controllerInputSources[_i48]===null){controllerInputSources[_i48]=_inputSource;controllerIndex=_i48;break;}}// If all controllers do currently receive input we ignore new ones
954if(controllerIndex===-1)break;}var controller=controllers[controllerIndex];if(controller){controller.dispatchEvent({type:'connected',data:_inputSource});}}}//
955var cameraLPos=new Vector3();var cameraRPos=new Vector3();/**
956			 * Assumes 2 cameras that are parallel and share an X-axis, and that
957			 * the cameras' projection and world matrices have already been set.
958			 * And that near and far planes are identical for both cameras.
959			 * Visualization of this technique: https://computergraphics.stackexchange.com/a/4765
960			 */function setProjectionFromUnion(camera,cameraL,cameraR){cameraLPos.setFromMatrixPosition(cameraL.matrixWorld);cameraRPos.setFromMatrixPosition(cameraR.matrixWorld);var ipd=cameraLPos.distanceTo(cameraRPos);var projL=cameraL.projectionMatrix.elements;var projR=cameraR.projectionMatrix.elements;// VR systems will have identical far and near planes, and
961// most likely identical top and bottom frustum extents.
962// Use the left camera for these values.
963var near=projL[14]/(projL[10]-1);var far=projL[14]/(projL[10]+1);var topFov=(projL[9]+1)/projL[5];var bottomFov=(projL[9]-1)/projL[5];var leftFov=(projL[8]-1)/projL[0];var rightFov=(projR[8]+1)/projR[0];var left=near*leftFov;var right=near*rightFov;// Calculate the new camera's position offset from the
964// left camera. xOffset should be roughly half `ipd`.
965var zOffset=ipd/(-leftFov+rightFov);var xOffset=zOffset*-leftFov;// TODO: Better way to apply this offset?
966cameraL.matrixWorld.decompose(camera.position,camera.quaternion,camera.scale);camera.translateX(xOffset);camera.translateZ(zOffset);camera.matrixWorld.compose(camera.position,camera.quaternion,camera.scale);camera.matrixWorldInverse.copy(camera.matrixWorld).invert();// Find the union of the frustum values of the cameras and scale
967// the values so that the near plane's position does not change in world space,
968// although must now be relative to the new union camera.
969var near2=near+zOffset;var far2=far+zOffset;var left2=left-xOffset;var right2=right+(ipd-xOffset);var top2=topFov*far/far2*near2;var bottom2=bottomFov*far/far2*near2;camera.projectionMatrix.makePerspective(left2,right2,top2,bottom2,near2,far2);}function updateCamera(camera,parent){if(parent===null){camera.matrixWorld.copy(camera.matrix

969);}else{camera.matrixWorld.multiplyMatrices(parent.matrixWorld,camera.matrix);}camera.matrixWorldInverse.copy(camera.matrixWorld).invert();}_this29.updateCamera=function(camera){if(session===null)return;cameraVR.near=cameraR.near=cameraL.near=camera.near;cameraVR.far=cameraR.far=cameraL.far=camera.far;if(_currentDepthNear!==cameraVR.near||_currentDepthFar!==cameraVR.far){// Note that the new renderState won't apply until the next frame. See #18320
970session.updateRenderState({depthNear:cameraVR.near,depthFar:cameraVR.far});_currentDepthNear=cameraVR.near;_currentDepthFar=cameraVR.far;}var parent=camera.parent;var cameras=cameraVR.cameras;updateCamera(cameraVR,parent);for(var i=0;i<cameras.length;i++){updateCamera(cameras[i],parent);}cameraVR.matrixWorld.decompose(cameraVR.position,cameraVR.quaternion,cameraVR.scale);// update user camera and its children
971camera.position.copy(cameraVR.position);camera.quaternion.copy(cameraVR.quaternion);camera.scale.copy(cameraVR.scale);camera.matrix.copy(cameraVR.matrix);camera.matrixWorld.copy(cameraVR.matrixWorld);var children=camera.children;for(var _i49=0,l=children.length;_i49<l;_i49++){children[_i49].updateMatrixWorld(true);}// update projection matrix for proper view frustum culling
972if(cameras.length===2){setProjectionFromUnion(cameraVR,cameraL,cameraR);}else{// assume single camera setup (AR)
973cameraVR.projectionMatrix.copy(cameraL.projectionMatrix);}};_this29.getCamera=function(){return cameraVR;};_this29.getFoveation=function(){if(glProjLayer!==null){return glProjLayer.fixedFoveation;}if(glBaseLayer!==null){return glBaseLayer.fixedFoveation;}return undefined;};_this29.setFoveation=function(foveation){// 0 = no foveation = full resolution
974// 1 = maximum foveation = the edges render at lower resolution
975if(glProjLayer!==null){glProjLayer.fixedFoveation=foveation;}if(glBaseLayer!==null&&glBaseLayer.fixedFoveation!==undefined){glBaseLayer.fixedFoveation=foveation;}};// Animation Loop
976var onAnimationFrameCallback=null;function onAnimationFrame(time,frame){pose=frame.getViewerPose(customReferenceSpace||referenceSpace);xrFrame=frame;if(pose!==null){var views=pose.views;if(glBaseLayer!==null){renderer.setRenderTargetFramebuffer(newRenderTarget,glBaseLayer.framebuffer);renderer.setRenderTarget(newRenderTarget);}var cameraVRNeedsUpdate=false;// check if it's necessary to rebuild cameraVR's camera list
977if(views.length!==cameraVR.cameras.length){cameraVR.cameras.length=0;cameraVRNeedsUpdate=true;}for(var i=0;i<views.length;i++){var view=views[i];var viewport=null;if(glBaseLayer!==null){viewport=glBaseLayer.getViewport(view);}else{var glSubImage=glBinding.getViewSubImage(glProjLayer,view);viewport=glSubImage.viewport;// For side-by-side projection, we only produce a single texture for both eyes.
978if(i===0){renderer.setRenderTargetTextures(newRenderTarget,glSubImage.colorTexture,glProjLayer.ignoreDepthValues?undefined:glSubImage.depthStencilTexture);renderer.setRenderTarget(newRenderTarget);}}var camera=cameras[i];if(camera===undefined){camera=new PerspectiveCamera();camera.layers.enable(i);camera.viewport=new Vector4();cameras[i]=camera;}camera.matrix.fromArray(view.transform.matrix);camera.projectionMatrix.fromArray(view.projectionMatrix);camera.viewport.set(viewport.x,viewport.y,viewport.width,viewport.height);if(i===0){cameraVR.matrix.copy(camera.matrix);}if(cameraVRNeedsUpdate===true){cameraVR.cameras.push(camera);}}}//
979for(var _i50=0;_i50<controllers.length;_i50++){var inputSource=controllerInputSources[_i50];var controller=controllers[_i50];if(inputSource!==null&&controller!==undefined){controller.update(inputSource,frame,customReferenceSpace||referenceSpace);}}if(onAnimationFrameCallback)onAnimationFrameCallback(time,frame);xrFrame=null;}var animation=new WebGLAnimation();animation.setAnimationLoop(onAnimationFrame);_this29.setAnimationLoop=function(callback){onAnimationFrameCallback=callback;};_this29.dispose=function(){};return _this29;}return _createClass(WebXRManager);}(EventDispatcher);function WebGLMaterials(renderer,properties){function refreshFogUniforms(uniforms,fog){uniforms.fogColor.value.copy(fog.color);if(fog.isFog){uniforms.fogNear.value=fog.near;uniforms.fogFar.value=fog.far;}else if(fog.isFogExp2){uniforms.fogDensity.value=fog.density;}}function refreshMaterialUniforms(uniforms,material,pixelRatio,height,transmissionRenderTarget){if(material.isMeshBasicMaterial){refreshUniformsCommon(uniforms,material);}else if(material.isMeshLambertMaterial){refreshUniformsCommon(uniforms,material);}else if(material.isMeshToonMaterial){refreshUniformsCommon(uniforms,material);refreshUniformsToon(uniforms,material);}else if(material.isMeshPhongMaterial){refreshUniformsCommon(uniforms,material);refreshUniformsPhong(uniforms,material);}else if(material.isMeshStandardMaterial){refreshUniformsCommon(uniforms,material);refreshUniformsStandard(uniforms,material);

979if(material.isMeshPhysicalMaterial){refreshUniformsPhysical(uniforms,material,transmissionRenderTarget);}}else if(material.isMeshMatcapMaterial){refreshUniformsCommon(uniforms,material);refreshUniformsMatcap(uniforms,material);}else if(material.isMeshDepthMaterial){refreshUniformsCommon(uniforms,material);}else if(material.isMeshDistanceMaterial){refreshUniformsCommon(uniforms,material);refreshUniformsDistance(uniforms,material);}else if(material.isMeshNormalMaterial){refreshUniformsCommon(uniforms,material);}else if(material.isLineBasicMaterial){refreshUniformsLine(uniforms,material);if(material.isLineDashedMaterial){refreshUniformsDash(uniforms,material);}}else if(material.isPointsMaterial){refreshUniformsPoints(uniforms,material,pixelRatio,height);}else if(material.isSpriteMaterial){refreshUniformsSprites(uniforms,material);}else if(material.isShadowMaterial){uniforms.color.value.copy(material.color);uniforms.opacity.value=material.opacity;}else if(material.isShaderMaterial){material.uniformsNeedUpdate=false;// #15581
980}}function refreshUniformsCommon(uniforms,material){uniforms.opacity.value=material.opacity;if(material.color){uniforms.diffuse.value.copy(material.color);}if(material.emissive){uniforms.emissive.value.copy(material.emissive).multiplyScalar(material.emissiveIntensity);}if(material.map){uniforms.map.value=material.map;}if(material.alphaMap){uniforms.alphaMap.value=material.alphaMap;}if(material.bumpMap){uniforms.bumpMap.value=material.bumpMap;uniforms.bumpScale.value=material.bumpScale;if(material.side===BackSide)uniforms.bumpScale.value*=-1;}if(material.displacementMap){uniforms.displacementMap.value=material.displacementMap;uniforms.displacementScale.value=material.displacementScale;uniforms.displacementBias.value=material.displacementBias;}if(material.emissiveMap){uniforms.emissiveMap.value=material.emissiveMap;}if(material.normalMap){uniforms.normalMap.value=material.normalMap;uniforms.normalScale.value.copy(material.normalScale);if(material.side===BackSide)uniforms.normalScale.value.negate();}if(material.specularMap){uniforms.specularMap.value=material.specularMap;}if(material.alphaTest>0){uniforms.alphaTest.value=material.alphaTest;}var envMap=properties.get(material).envMap;if(envMap){uniforms.envMap.value=envMap;uniforms.flipEnvMap.value=envMap.isCubeTexture&&envMap.isRenderTargetTexture===false?-1:1;uniforms.reflectivity.value=material.reflectivity;uniforms.ior.value=material.ior;uniforms.refractionRatio.value=material.refractionRatio;}if(material.lightMap){uniforms.lightMap.value=material.lightMap;// artist-friendly light intensity scaling factor
981var scaleFactor=renderer.physicallyCorrectLights!==true?Math.PI:1;uniforms.lightMapIntensity.value=material.lightMapIntensity*scaleFactor;}if(material.aoMap){uniforms.aoMap.value=material.aoMap;uniforms.aoMapIntensity.value=material.aoMapIntensity;}// uv repeat and offset setting priorities
982// 1. color map
983// 2. specular map
984// 3. displacementMap map
985// 4. normal map
986// 5. bump map
987// 6. roughnessMap map
988// 7. metalnessMap map
989// 8. alphaMap map
990// 9. emissiveMap map
991// 10. clearcoat map
992// 11. clearcoat normal map
993// 12. clearcoat roughnessMap map
994// 13. iridescence map
995// 14. iridescence thickness map
996// 15. specular intensity map
997// 16. specular tint map
998// 17. transmission map
999// 18. thickness map
1000var uvScaleMap;if(material.map){uvScaleMap=material.map;}else if(material.specularMap){uvScaleMap=material.specularMap;}else if(material.displacementMap){uvScaleMap=material.displacementMap;}else if(material.normalMap){uvScaleMap=material.normalMap;}else if(material.bumpMap){uvScaleMap=material.bumpMap;}else if(material.roughnessMap){uvScaleMap=material.roughnessMap;}else if(material.metalnessMap){uvScaleMap=material.metalnessMap;}else if(material.alphaMap){uvScaleMap=material.alphaMap;}else if(material.emissiveMap){uvScaleMap=material.emissiveMap;}else if(material.clearcoatMap){uvScaleMap=material.clearcoatMap;}else if(material.clearcoatNormalMap){uvScaleMap=material.clearcoatNormalMap;}else if(material.clearcoatRoughnessMap){uvScaleMap=material.clearcoatRoughnessMap;}else if(material.iridescenceMap){uvScaleMap=material.iridescenceMap;}else if(material.iridescenceThicknessMap){uvScaleMap=material.iridescenceThicknessMap;}else if(material.specularIntensityMap){uvScaleMap=material.specularIntensityMap;}else if(material.specularColorMap){uvScaleMap=material.specularColorMap;}else if(material.transmissionMap){uvScaleMap=material.transmissionMap;}else if(material.thicknessMap){uvScaleMap=material.thicknessMap;}else if(material.sheenColorMap){uvScaleMap=material.sheenColorMap;}else if(material.sheenRoughnessMap){uvScaleMap=material.sheenRoughnessMap;}if(uvScaleMap!==undefined){// backwards compatibility
1001if(uvScaleMap.isWebGLRenderTarget){uvScaleMap=uvScaleMap.texture;}if(uvScaleMap.matrixAutoUpdate===true){uvScaleMap.updateMatrix();}uniforms.uvTransform.value.copy(uvScaleMap.matrix);}// uv repeat and offset setting priorities for uv2
1002// 1. ao map
1003// 2. light map
1004var uv2ScaleMap;if(material.aoMap){uv2ScaleMap=material.aoMap;}else if(material.lightMap){uv2ScaleMap=material.lightMap;}if(uv2ScaleMap!==undefined){// backwards compatibility
1005if(uv2ScaleMap.isWebGLRenderTarget){uv2ScaleMap=uv2ScaleMap.texture;}if(uv2ScaleMap.matrixAutoUpdate===true){uv2ScaleMap.updateMatrix();}uniforms.uv2Transform.value.copy(uv2ScaleMap.matrix);}}function refreshUniformsLine(uniforms,material){uniforms.diffuse.value.copy(material.color);uniforms.opacity.value=material.opacity;}function refreshUniformsDash(uniforms,material){uniforms.dashSize.value=material.dashSize;

1005uniforms.totalSize.value=material.dashSize+material.gapSize;uniforms.scale.value=material.scale;}function refreshUniformsPoints(uniforms,material,pixelRatio,height){uniforms.diffuse.value.copy(material.color);uniforms.opacity.value=material.opacity;uniforms.size.value=material.size*pixelRatio;uniforms.scale.value=height*0.5;if(material.map){uniforms.map.value=material.map;}if(material.alphaMap){uniforms.alphaMap.value=material.alphaMap;}if(material.alphaTest>0){uniforms.alphaTest.value=material.alphaTest;}// uv repeat and offset setting priorities
1006// 1. color map
1007// 2. alpha map
1008var uvScaleMap;if(material.map){uvScaleMap=material.map;}else if(material.alphaMap){uvScaleMap=material.alphaMap;}if(uvScaleMap!==undefined){if(uvScaleMap.matrixAutoUpdate===true){uvScaleMap.updateMatrix();}uniforms.uvTransform.value.copy(uvScaleMap.matrix);}}function refreshUniformsSprites(uniforms,material){uniforms.diffuse.value.copy(material.color);uniforms.opacity.value=material.opacity;uniforms.rotation.value=material.rotation;if(material.map){uniforms.map.value=material.map;}if(material.alphaMap){uniforms.alphaMap.value=material.alphaMap;}if(material.alphaTest>0){uniforms.alphaTest.value=material.alphaTest;}// uv repeat and offset setting priorities
1009// 1. color map
1010// 2. alpha map
1011var uvScaleMap;if(material.map){uvScaleMap=material.map;}else if(material.alphaMap){uvScaleMap=material.alphaMap;}if(uvScaleMap!==undefined){if(uvScaleMap.matrixAutoUpdate===true){uvScaleMap.updateMatrix();}uniforms.uvTransform.value.copy(uvScaleMap.matrix);}}function refreshUniformsPhong(uniforms,material){uniforms.specular.value.copy(material.specular);uniforms.shininess.value=Math.max(material.shininess,1e-4);// to prevent pow( 0.0, 0.0 )
1012}function refreshUniformsToon(uniforms,material){if(material.gradientMap){uniforms.gradientMap.value=material.gradientMap;}}function refreshUniformsStandard(uniforms,material){uniforms.roughness.value=material.roughness;uniforms.metalness.value=material.metalness;if(material.roughnessMap){uniforms.roughnessMap.value=material.roughnessMap;}if(material.metalnessMap){uniforms.metalnessMap.value=material.metalnessMap;}var envMap=properties.get(material).envMap;if(envMap){//uniforms.envMap.value = material.envMap; // part of uniforms common
1013uniforms.envMapIntensity.value=material.envMapIntensity;}}function refreshUniformsPhysical(uniforms,material,transmissionRenderTarget){uniforms.ior.value=material.ior;// also part of uniforms common
1014if(material.sheen>0){uniforms.sheenColor.value.copy(material.sheenColor).multiplyScalar(material.sheen);uniforms.sheenRoughness.value=material.sheenRoughness;if(material.sheenColorMap){uniforms.sheenColorMap.value=material.sheenColorMap;}if(material.sheenRoughnessMap){uniforms.sheenRoughnessMap.value=material.sheenRoughnessMap;}}if(material.clearcoat>0){uniforms.clearcoat.value=material.clearcoat;uniforms.clearcoatRoughness.value=material.clearcoatRoughness;if(material.clearcoatMap){uniforms.clearcoatMap.value=material.clearcoatMap;}if(material.clearcoatRoughnessMap){uniforms.clearcoatRoughnessMap.value=material.clearcoatRoughnessMap;}if(material.clearcoatNormalMap){uniforms.clearcoatNormalScale.value.copy(material.clearcoatNormalScale);uniforms.clearcoatNormalMap.value=material.clearcoatNormalMap;if(material.side===BackSide){uniforms.clearcoatNormalScale.value.negate();}}}if(material.iridescence>0){uniforms.iridescence.value=material.iridescence;uniforms.iridescenceIOR.value=material.iridescenceIOR;uniforms.iridescenceThicknessMinimum.value=material.iridescenceThicknessRange[0];uniforms.iridescenceThicknessMaximum.value=material.iridescenceThicknessRange[1];if(material.iridescenceMap){uniforms.iridescenceMap.value=material.iridescenceMap;}if(material.iridescenceThicknessMap){uniforms.iridescenceThicknessMap.value=material.iridescenceThicknessMap;}}if(material.transmission>0){uniforms.transmission.value=material.transmission;uniforms.transmissionSamplerMap.value=transmissionRenderTarget.texture;uniforms.transmissionSamplerSize.value.set(transmissionRenderTarget.width,transmissionRenderTarget.height);if(material.transmissionMap){uniforms.transmissionMap.value=material.transmissionMap;}uniforms.thickness.value=material.thickness;if(material.thicknessMap){uniforms.thicknessMap.value=material.thicknessMap;}uniforms.attenuationDistance.value=material.attenuationDistance;uniforms.attenuationColor.value.copy(material.attenuationColor);}uniforms.specularIntensity.value=material.specularIntensity;uniforms.specularColor.value.copy(material.specularColor);if(material.specularIntensityMap){uniforms.specularIntensityMap.value=material.specularIntensityMap;}if(material.specularColorMap){uniforms.specularColorMap.value=material.specularColorMap;}}function refreshUniformsMatcap(uniforms,material){if(material.matcap){uniforms.matcap.value=material.matcap;}}function refreshUniformsDistance(uniforms,material){uniforms.referencePosition.value.copy(material.referencePosition);uniforms.nearDistance.value=material.nearDistance;uniforms.farDistance.value=material.farDistance;}return{refreshFogUniforms:refreshFogUniforms,refreshMaterialUniforms:refreshMaterialUniforms};}function WebGLUniformsGroups(gl,info,capabilities,state){var buffers={};var updateList={};var allocatedBindingPoints=[];var maxBindingPoints=capabilities.isWebGL2?gl.getParameter(gl.MAX_UNIFORM_BUFFER_BINDINGS):0;// binding points are global whereas block indices are per shader program
1015function bind(uniformsGroup,program){var webglProgram=program.program;state.uniformBlockBinding(uniformsGroup,webglProgram);}function update(uniformsGroup,program){var buffer=buffers[uniformsGroup.id];if(buffer===undefined){prepareUniformsGroup(uniformsGroup);buffer=createBuffer(uniformsGroup);buffers[uniformsGroup.id]=buffer;uniformsGroup.addEventListener('dispose',onUniformsGroupsDispose);}// ensure to update the binding points/block indices mapping for this program
1016var webglProgram=program.program;state.updateUBOMapping(uniformsGroup,webglProgram);// update UBO once per frame
1017var frame=info.render.frame;if(updateList[uniformsGroup.id]!==frame){updateBufferData(uniformsGroup);updateList[uniformsGroup.id]=frame;}}function createBuffer(uniformsGroup){// the setup of an UBO is independent of a particular shader program but global
1018var bindingPointIndex=allocateBindingPointIndex();uniformsGroup.__bindingPointIndex=bindingPointIndex;var buffer=gl.createBuffer();var size=uniformsGroup.__size;var usage=uniformsGroup.usage;gl.bindBuffer(gl.UNIFORM_BUFFER,buffer);gl.bufferData(gl.UNIFORM_BUFFER,size,usage);gl.bindBuffer(gl.UNIFORM_BUFFER,null);gl.bindBufferBase(gl.UNIFORM_BUFFER,bindingPointIndex,buffer);return buffer;}function allocateBindingPointIndex(){for(var i=0;i<maxBindingPoints;i++){if(allocatedBindingPoints.indexOf(i)===-1){allocatedBindingPoints.push(i);return i;}}console.error('THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached.');return 0;}function updateBufferData(uniformsGroup){var buffer=buffers[uniformsGroup.id];var uniforms=uniformsGroup.uniforms;var cache=uniformsGroup.__cache;gl.bindBuffer(gl.UNIFORM_BUFFER,buffer);for(var i=0,il=uniforms.length;i<il;i++){var uniform=uniforms[i];// partly update the buffer if necessary
1019if(hasUniformChanged(uniform,i,cache)===true){var _value5=uniform.value;var offset=uniform.__offset;if(typeof _value5==='number'){uniform.__data[0]=_value5;gl.bufferSubData(gl.UNIFORM_BUFFER,offset,uniform.__data);}

1019else{if(uniform.value.isMatrix3){// manually converting 3x3 to 3x4
1020uniform.__data[0]=uniform.value.elements[0];uniform.__data[1]=uniform.value.elements[1];uniform.__data[2]=uniform.value.elements[2];uniform.__data[3]=uniform.value.elements[0];uniform.__data[4]=uniform.value.elements[3];uniform.__data[5]=uniform.value.elements[4];uniform.__data[6]=uniform.value.elements[5];uniform.__data[7]=uniform.value.elements[0];uniform.__data[8]=uniform.value.elements[6];uniform.__data[9]=uniform.value.elements[7];uniform.__data[10]=uniform.value.elements[8];uniform.__data[11]=uniform.value.elements[0];}else{_value5.toArray(uniform.__data);}gl.bufferSubData(gl.UNIFORM_BUFFER,offset,uniform.__data);}}}gl.bindBuffer(gl.UNIFORM_BUFFER,null);}function hasUniformChanged(uniform,index,cache){var value=uniform.value;if(cache[index]===undefined){// cache entry does not exist so far
1021if(typeof value==='number'){cache[index]=value;}else{cache[index]=value.clone();}return true;}else{// compare current value with cached entry
1022if(typeof value==='number'){if(cache[index]!==value){cache[index]=value;return true;}}else{var cachedObject=cache[index];if(cachedObject.equals(value)===false){cachedObject.copy(value);return true;}}}return false;}function prepareUniformsGroup(uniformsGroup){// determine total buffer size according to the STD140 layout
1023// Hint: STD140 is the only supported layout in WebGL 2
1024var uniforms=uniformsGroup.uniforms;var offset=0;// global buffer offset in bytes
1025var chunkSize=16;// size of a chunk in bytes
1026var chunkOffset=0;// offset within a single chunk in bytes
1027for(var i=0,l=uniforms.length;i<l;i++){var uniform=uniforms[i];var _info=getUniformSize(uniform);// the following two properties will be used for partial buffer updates
1028uniform.__data=new Float32Array(_info.storage/Float32Array.BYTES_PER_ELEMENT);uniform.__offset=offset;//
1029if(i>0){chunkOffset=offset%chunkSize;var remainingSizeInChunk=chunkSize-chunkOffset;// check for chunk overflow
1030if(chunkOffset!==0&&remainingSizeInChunk-_info.boundary<0){// add padding and adjust offset
1031offset+=chunkSize-chunkOffset;uniform.__offset=offset;}}offset+=_info.storage;}// ensure correct final padding
1032chunkOffset=offset%chunkSize;if(chunkOffset>0)offset+=chunkSize-chunkOffset;//
1033uniformsGroup.__size=offset;uniformsGroup.__cache={};return this;}function getUniformSize(uniform){var value=uniform.value;var info={boundary:0,// bytes
1034storage:0// bytes
1035};// determine sizes according to STD140
1036if(typeof value==='number'){// float/int
1037info.boundary=4;info.storage=4;}else if(value.isVector2){// vec2
1038info.boundary=8;info.storage=8;}else if(value.isVector3||value.isColor){// vec3
1039info.boundary=16;info.storage=12;// evil: vec3 must start on a 16-byte boundary but it only consumes 12 bytes
1040}else if(value.isVector4){// vec4
1041info.boundary=16;info.storage=16;}else if(value.isMatrix3){// mat3 (in STD140 a 3x3 matrix is represented as 3x4)
1042info.boundary=48;info.storage=48;}else if(value.isMatrix4){// mat4
1043info.boundary=64;info.storage=64;}else if(value.isTexture){console.warn('THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group.');}else{console.warn('THREE.WebGLRenderer: Unsupported uniform value type.',value);}return info;}function onUniformsGroupsDispose(event){var uniformsGroup=event.target;uniformsGroup.removeEventListener('dispose',onUniformsGroupsDispose);var index=allocatedBindingPoints.indexOf(uniformsGroup.__bindingPointIndex);allocatedBindingPoints.splice(index,1);gl.deleteBuffer(buffers[uniformsGroup.id]);delete buffers[uniformsGroup.id];delete updateList[uniformsGroup.id];}function dispose(){for(var _id3 in buffers){gl.deleteBuffer(buffers[_id3]);}allocatedBindingPoints=[];buffers={};updateList={};}return{bind:bind,update:update,dispose:dispose};}function createCanvasElement(){var canvas=createElementNS('canvas');canvas.style.display='block';return canvas;}function WebGLRenderer(){var parameters=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{};this.isWebGLRenderer=true;var _canvas=parameters.canvas!==undefined?parameters.canvas:createCanvasElement(),_context=parameters.context!==undefined?parameters.context:null,_depth=parameters.depth!==undefined?parameters.depth:true,_stencil=parameters.stencil!==undefined?parameters.stencil:true,_antialias=parameters.antialias!==un

1043defined?parameters.antialias:false,_premultipliedAlpha=parameters.premultipliedAlpha!==undefined?parameters.premultipliedAlpha:true,_preserveDrawingBuffer=parameters.preserveDrawingBuffer!==undefined?parameters.preserveDrawingBuffer:false,_powerPreference=parameters.powerPreference!==undefined?parameters.powerPreference:'default',_failIfMajorPerformanceCaveat=parameters.failIfMajorPerformanceCaveat!==undefined?parameters.failIfMajorPerformanceCaveat:false;var _alpha;if(_context!==null){_alpha=_context.getContextAttributes().alpha;}else{_alpha=parameters.alpha!==undefined?parameters.alpha:false;}var currentRenderList=null;var currentRenderState=null;// render() can be called from within a callback triggered by another render.
1044// We track this so that the nested render call gets its list and state isolated from the parent render call.
1045var renderListStack=[];var renderStateStack=[];// public properties
1046this.domElement=_canvas;// Debug configuration container
1047this.debug={/**
1048			 * Enables error checking and reporting when shader programs are being compiled
1049			 * @type {boolean}
1050			 */checkShaderErrors:true};// clearing
1051this.autoClear=true;this.autoClearColor=true;this.autoClearDepth=true;this.autoClearStencil=true;// scene graph
1052this.sortObjects=true;// user-defined clipping
1053this.clippingPlanes=[];this.localClippingEnabled=false;// physically based shading
1054this.outputEncoding=LinearEncoding;// physical lights
1055this.physicallyCorrectLights=false;// tone mapping
1056this.toneMapping=NoToneMapping;this.toneMappingExposure=1.0;//
1057Object.defineProperties(this,{// @deprecated since r136, 0e21088102b4de7e0a0a33140620b7a3424b9e6d
1058gammaFactor:{get:function get(){console.warn('THREE.WebGLRenderer: .gammaFactor has been removed.');return 2;},set:function set(){console.warn('THREE.WebGLRenderer: .gammaFactor has been removed.');}}});// internal properties
1059var _this=this;var _isContextLost=false;// internal state cache
1060var _currentActiveCubeFace=0;var _currentActiveMipmapLevel=0;var _currentRenderTarget=null;var _currentMaterialId=-1;var _currentCamera=null;var _currentViewport=new Vector4();var _currentScissor=new Vector4();var _currentScissorTest=null;//
1061var _width=_canvas.width;var _height=_canvas.height;var _pixelRatio=1;var _opaqueSort=null;var _transparentSort=null;var _viewport=new Vector4(0,0,_width,_height);var _scissor=new Vector4(0,0,_width,_height);var _scissorTest=false;// frustum
1062var _frustum=new Frustum();// clipping
1063var _clippingEnabled=false;var _localClippingEnabled=false;// transmission
1064var _transmissionRenderTarget=null;// camera matrices cache
1065var _projScreenMatrix=new Matrix4();var _vector2=new Vector2();var _vector3=new Vector3();var _emptyScene={background:null,fog:null,environment:null,overrideMaterial:null,isScene:true};function getTargetPixelRatio(){return _currentRenderTarget===null?_pixelRatio:1;}// initialize
1066var _gl=_context;function getContext(contextNames,contextAttributes){for(var i=0;i<contextNames.length;i++){var contextName=contextNames[i];var context=_canvas.getContext(contextName,contextAttributes);if(context!==null)return context;}return null;}try{var contextAttributes={alpha:true,depth:_depth,stencil:_stencil,antialias:_antialias,premultipliedAlpha:_premultipliedAlpha,preserveDrawingBuffer:_preserveDrawingBuffer,powerPreference:_powerPreference,failIfMajorPerformanceCaveat:_failIfMajorPerformanceCaveat};// OffscreenCanvas does not have setAttribute, see #22811
1067if('setAttribute'in _canvas)_canvas.setAttribute('data-engine',"three.js r".concat(REVISION));// event listeners must be registered before WebGL context is created, see #12753
1068_canvas.addEventListener('webglcontextlost',onContextLost,false);_canvas.addEventListener('webglcontextrestored',onContextRestore,false);_canvas.addEventListener('webglcontextcreationerror',onContextCreationError,false);if(_gl===null){var contextNames=['webgl2','webgl','experimental-webgl'];if(_this.isWebGL1Renderer===true){contextNames.shift();}_gl=getContext(contextNames,contextAttributes);if(_gl===null){if(getContext(contextNames)){throw new Error('Error creating WebGL context with your selected attributes.');}else{throw new Error('Error creating WebGL context.');}}}// Some experimental-webgl implementations do not have getShaderPrecisionFormat
1069if(_gl.getShaderPrecisionFormat===undefined){_gl.getShaderPrecisionFormat=function(){return{'rangeMin':1,'rangeMax':1,'precision':1};};}}catch(error){console.error('THREE.WebGLRenderer: '+error.message);throw error;}var extensions,capabilities,state,info;var properties,textures,cubemaps,cubeuvmaps,attributes,geometries,objects;var programCache,materials,renderLists,renderStates,clipping,shadowMap;var background,morphtargets,bufferRenderer,indexedBufferRenderer;var utils,bindingStates,uniformsGroups;function initGLContext(){extensions=new WebGLExtensions(_gl);capabilities=new WebGLCapabilities(_gl,extensions,parameters);extensions.init(capabilities);utils=new WebGLUtils(_gl,extensions,capabilities);state=new WebGLState(_gl,extensions,capabilities);info=new WebGLInfo(_gl);properties=new WebGLProperties();textures=new WebGLTextures(_gl,extensions,state,properties,capabilities,utils,info);cubemaps=new WebGLCubeMaps(_this);cubeuvmaps=new WebGLCubeUVMaps(_this);attributes=new WebGLAttributes(_gl,capabilities);bindingStates=new WebGLBindingStates(_gl,extensions,attributes,capabilities);geometries=new WebGLGeometries(_gl,attributes,info,bindingStates);objects=new WebGLObjects(_gl,geometries,attributes,info);morphtargets=new WebGLMorphtargets(_gl,capabilities,textures);clipping=new WebGLClipping(properties);programCache=new WebGLPrograms(_this,cubemaps,cubeuvmaps,extensions,capabilities,bindingStates,clipping);materials=new WebGLMaterials(_this,properties);renderLists=new WebGLRenderLists();renderStates=new WebGLRenderStates(extensions,capabilities);

1069background=new WebGLBackground(_this,cubemaps,state,objects,_alpha,_premultipliedAlpha);shadowMap=new WebGLShadowMap(_this,objects,capabilities);uniformsGroups=new WebGLUniformsGroups(_gl,info,capabilities,state);bufferRenderer=new WebGLBufferRenderer(_gl,extensions,info,capabilities);indexedBufferRenderer=new WebGLIndexedBufferRenderer(_gl,extensions,info,capabilities);info.programs=programCache.programs;_this.capabilities=capabilities;_this.extensions=extensions;_this.properties=properties;_this.renderLists=renderLists;_this.shadowMap=shadowMap;_this.state=state;_this.info=info;}initGLContext();// xr
1070var xr=new WebXRManager(_this,_gl);this.xr=xr;// API
1071this.getContext=function(){return _gl;};this.getContextAttributes=function(){return _gl.getContextAttributes();};this.forceContextLoss=function(){var extension=extensions.get('WEBGL_lose_context');if(extension)extension.loseContext();};this.forceContextRestore=function(){var extension=extensions.get('WEBGL_lose_context');if(extension)extension.restoreContext();};this.getPixelRatio=function(){return _pixelRatio;};this.setPixelRatio=function(value){if(value===undefined)return;_pixelRatio=value;this.setSize(_width,_height,false);};this.getSize=function(target){return target.set(_width,_height);};this.setSize=function(width,height,updateStyle){if(xr.isPresenting){console.warn('THREE.WebGLRenderer: Can\'t change size while VR device is presenting.');return;}_width=width;_height=height;_canvas.width=Math.floor(width*_pixelRatio);_canvas.height=Math.floor(height*_pixelRatio);if(updateStyle!==false){_canvas.style.width=width+'px';_canvas.style.height=height+'px';}this.setViewport(0,0,width,height);};this.getDrawingBufferSize=function(target){return target.set(_width*_pixelRatio,_height*_pixelRatio).floor();};this.setDrawingBufferSize=function(width,height,pixelRatio){_width=width;_height=height;_pixelRatio=pixelRatio;_canvas.width=Math.floor(width*pixelRatio);_canvas.height=Math.floor(height*pixelRatio);this.setViewport(0,0,width,height);};this.getCurrentViewport=function(target){return target.copy(_currentViewport);};this.getViewport=function(target){return target.copy(_viewport);};this.setViewport=function(x,y,width,height){if(x.isVector4){_viewport.set(x.x,x.y,x.z,x.w);}else{_viewport.set(x,y,width,height);}state.viewport(_currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).floor());};this.getScissor=function(target){return target.copy(_scissor);};this.setScissor=function(x,y,width,height){if(x.isVector4){_scissor.set(x.x,x.y,x.z,x.w);}else{_scissor.set(x,y,width,height);}state.scissor(_currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).floor());};this.getScissorTest=function(){return _scissorTest;};this.setScissorTest=function(boolean){state.setScissorTest(_scissorTest=boolean);};this.setOpaqueSort=function(method){_opaqueSort=method;};this.setTransparentSort=function(method){_transparentSort=method;};// Clearing
1072this.getClearColor=function(target){return target.copy(background.getClearColor());};this.setClearColor=function(){background.setClearColor.apply(background,arguments);};this.getClearAlpha=function(){return background.getClearAlpha();};this.setClearAlpha=function(){background.setClearAlpha.apply(background,arguments);};this.clear=function(){var color=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;var depth=arguments.length>1&&arguments[1]!==undefined?arguments[1]:true;var stencil=arguments.length>2&&arguments[2]!==undefined?arguments[2]:true;var bits=0;if(color)bits|=_gl.COLOR_BUFFER_BIT;if(depth)bits|=_gl.DEPTH_BUFFER_BIT;if(stencil)bits|=_gl.STENCIL_BUFFER_BIT;_gl.clear(bits);};this.clearColor=function(){this.clear(true,false,false);};this.clearDepth=function(){this.clear(false,true,false);};this.clearStencil=function(){this.clear(false,false,true);};//
1073this.dispose=function(){_canvas.removeEventListener('webglcontextlost',onContextLost,false);_canvas.removeEventListener('webglcontextrestored',onContextRestore,false);_canvas.removeEventListener('webglcontextcreationerror',onContextCreationError,false);renderLists.dispose();renderStates.dispose();properties.dispose();cubemaps.dispose();cubeuvmaps.dispose();objects.dispose();bindingStates.dispose();uniformsGroups.dispose();programCache.dispose();xr.dispose();xr.removeEventListener('sessionstart',onXRSessionStart);xr.removeEventListener('sessionend',onXRSessionEnd);if(_transmissionRenderTarget){_transmissionRenderTarget.dispose();_transmissionRenderTarget=null;}animation.stop();};// Events
1074function onContextLost(event){event.preventDefault();console.log('THREE.WebGLRenderer: Context Lost.');_isContextLost=true;}function/* event */onContextRestore(){console.log('THREE.WebGLRenderer: Context Restored.');_isContextLost=false;var infoAutoReset=info.autoReset;var shadowMapEnabled=shadowMap.enabled;var shadowMapAutoUpdate=shadowMap.autoUpdate;var shadowMapNeedsUpdate=shadowMap.needsUpdate;var shadowMapType=shadowMap.type;initGLContext();info.autoReset=infoAutoReset;shadowMap.enabled=shadowMapEnabled;shadowMap.autoUpdate=shadowMapAutoUpdate;shadowMap.needsUpdate=shadowMapNeedsUpdate;shadowMap.type=shadowMapType;}function onContextCreationError(event){console.error('THREE.WebGLRenderer: A WebGL context could not be created. Reason: ',event.statusMessage);}function onMaterialDispose(event){var material=event.target;material.removeEventListener('dispose',onMaterialDispose);deallocateMaterial(material);}// Buffer deallocation
1075function deallocateMaterial(material){releaseMaterialProgramReferences(material);properties.remove(material);}function releaseMaterialProgramReferences(material){var programs=properties.get(material).programs;

1075if(programs!==undefined){programs.forEach(function(program){programCache.releaseProgram(program);});if(material.isShaderMaterial){programCache.releaseShaderCache(material);}}}// Buffer rendering
1076this.renderBufferDirect=function(camera,scene,geometry,material,object,group){if(scene===null)scene=_emptyScene;// renderBufferDirect second parameter used to be fog (could be null)
1077var frontFaceCW=object.isMesh&&object.matrixWorld.determinant()<0;var program=setProgram(camera,scene,geometry,material,object);state.setMaterial(material,frontFaceCW);//
1078var index=geometry.index;var position=geometry.attributes.position;//
1079if(index===null){if(position===undefined||position.count===0)return;}else if(index.count===0){return;}//
1080var rangeFactor=1;if(material.wireframe===true){index=geometries.getWireframeAttribute(geometry);rangeFactor=2;}bindingStates.setup(object,material,program,geometry,index);var attribute;var renderer=bufferRenderer;if(index!==null){attribute=attributes.get(index);renderer=indexedBufferRenderer;renderer.setIndex(attribute);}//
1081var dataCount=index!==null?index.count:position.count;var rangeStart=geometry.drawRange.start*rangeFactor;var rangeCount=geometry.drawRange.count*rangeFactor;var groupStart=group!==null?group.start*rangeFactor:0;var groupCount=group!==null?group.count*rangeFactor:Infinity;var drawStart=Math.max(rangeStart,groupStart);var drawEnd=Math.min(dataCount,rangeStart+rangeCount,groupStart+groupCount)-1;var drawCount=Math.max(0,drawEnd-drawStart+1);if(drawCount===0)return;//
1082if(object.isMesh){if(material.wireframe===true){state.setLineWidth(material.wireframeLinewidth*getTargetPixelRatio());renderer.setMode(_gl.LINES);}else{renderer.setMode(_gl.TRIANGLES);}}else if(object.isLine){var lineWidth=material.linewidth;if(lineWidth===undefined)lineWidth=1;// Not using Line*Material
1083state.setLineWidth(lineWidth*getTargetPixelRatio());if(object.isLineSegments){renderer.setMode(_gl.LINES);}else if(object.isLineLoop){renderer.setMode(_gl.LINE_LOOP);}else{renderer.setMode(_gl.LINE_STRIP);}}else if(object.isPoints){renderer.setMode(_gl.POINTS);}else if(object.isSprite){renderer.setMode(_gl.TRIANGLES);}if(object.isInstancedMesh){renderer.renderInstances(drawStart,drawCount,object.count);}else if(geometry.isInstancedBufferGeometry){var instanceCount=Math.min(geometry.instanceCount,geometry._maxInstanceCount);renderer.renderInstances(drawStart,drawCount,instanceCount);}else{renderer.render(drawStart,drawCount);}};// Compile
1084this.compile=function(scene,camera){currentRenderState=renderStates.get(scene);currentRenderState.init();renderStateStack.push(currentRenderState);scene.traverseVisible(function(object){if(object.isLight&&object.layers.test(camera.layers)){currentRenderState.pushLight(object);if(object.castShadow){currentRenderState.pushShadow(object);}}});currentRenderState.setupLights(_this.physicallyCorrectLights);scene.traverse(function(object){var material=object.material;if(material){if(Array.isArray(material)){for(var i=0;i<material.length;i++){var material2=material[i];getProgram(material2,scene,object);}}else{getProgram(material,scene,object);}}});renderStateStack.pop();currentRenderState=null;};// Animation Loop
1085var onAnimationFrameCallback=null;function onAnimationFrame(time){if(onAnimationFrameCallback)onAnimationFrameCallback(time);}function onXRSessionStart(){animation.stop();}function onXRSessionEnd(){animation.start();}var animation=new WebGLAnimation();animation.setAnimationLoop(onAnimationFrame);if(typeof self!=='undefined')animation.setContext(self);this.setAnimationLoop=function(callback){onAnimationFrameCallback=callback;xr.setAnimationLoop(callback);callback===null?animation.stop():animation.start();};xr.addEventListener('sessionstart',onXRSessionStart);xr.addEventListener('sessionend',onXRSessionEnd);// Rendering
1086this.render=function(scene,camera){if(camera!==undefined&&camera.isCamera!==true){console.error('THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.');return;}if(_isContextLost===true)return;// update scene graph
1087if(scene.autoUpdate===true)scene.updateMatrixWorld();// update camera matrices and frustum
1088if(camera.parent===null)camera.updateMatrixWorld();if(xr.enabled===true&&xr.isPresenting===true){if(xr.cameraAutoUpdate===true)xr.updateCamera(camera);camera=xr.getCamera();// use XR camera for rendering
1089}//
1090if(scene.isScene===true)scene.onBeforeRender(_this,scene,camera,_currentRenderTarget);currentRenderState=renderStates.get(scene,renderStateStack.length);

1090currentRenderState.init();renderStateStack.push(currentRenderState);_projScreenMatrix.multiplyMatrices(camera.projectionMatrix,camera.matrixWorldInverse);_frustum.setFromProjectionMatrix(_projScreenMatrix);_localClippingEnabled=this.localClippingEnabled;_clippingEnabled=clipping.init(this.clippingPlanes,_localClippingEnabled,camera);currentRenderList=renderLists.get(scene,renderListStack.length);currentRenderList.init();renderListStack.push(currentRenderList);projectObject(scene,camera,0,_this.sortObjects);currentRenderList.finish();if(_this.sortObjects===true){currentRenderList.sort(_opaqueSort,_transparentSort);}//
1091if(_clippingEnabled===true)clipping.beginShadows();var shadowsArray=currentRenderState.state.shadowsArray;shadowMap.render(shadowsArray,scene,camera);if(_clippingEnabled===true)clipping.endShadows();//
1092if(this.info.autoReset===true)this.info.reset();//
1093background.render(currentRenderList,scene);// render scene
1094currentRenderState.setupLights(_this.physicallyCorrectLights);if(camera.isArrayCamera){var cameras=camera.cameras;for(var i=0,l=cameras.length;i<l;i++){var camera2=cameras[i];renderScene(currentRenderList,scene,camera2,camera2.viewport);}}else{renderScene(currentRenderList,scene,camera);}//
1095if(_currentRenderTarget!==null){// resolve multisample renderbuffers to a single-sample texture if necessary
1096textures.updateMultisampleRenderTarget(_currentRenderTarget);// Generate mipmap if we're using any kind of mipmap filtering
1097textures.updateRenderTargetMipmap(_currentRenderTarget);}//
1098if(scene.isScene===true)scene.onAfterRender(_this,scene,camera);// _gl.finish();
1099bindingStates.resetDefaultState();_currentMaterialId=-1;_currentCamera=null;renderStateStack.pop();if(renderStateStack.length>0){currentRenderState=renderStateStack[renderStateStack.length-1];}else{currentRenderState=null;}renderListStack.pop();if(renderListStack.length>0){currentRenderList=renderListStack[renderListStack.length-1];}else{currentRenderList=null;}};function projectObject(object,camera,groupOrder,sortObjects){if(object.visible===false)return;var visible=object.layers.test(camera.layers);if(visible){if(object.isGroup){groupOrder=object.renderOrder;}else if(object.isLOD){if(object.autoUpdate===true)object.update(camera);}else if(object.isLight){currentRenderState.pushLight(object);if(object.castShadow){currentRenderState.pushShadow(object);}}else if(object.isSprite){if(!object.frustumCulled||_frustum.intersectsSprite(object)){if(sortObjects){_vector3.setFromMatrixPosition(object.matrixWorld).applyMatrix4(_projScreenMatrix);}var geometry=objects.update(object);var material=object.material;if(material.visible){currentRenderList.push(object,geometry,material,groupOrder,_vector3.z,null);}}}else if(object.isMesh||object.isLine||object.isPoints){if(object.isSkinnedMesh){// update skeleton only once in a frame
1100if(object.skeleton.frame!==info.render.frame){object.skeleton.update();object.skeleton.frame=info.render.frame;}}if(!object.frustumCulled||_frustum.intersectsObject(object)){if(sortObjects){_vector3.setFromMatrixPosition(object.matrixWorld).applyMatrix4(_projScreenMatrix);}var _geometry2=objects.update(object);var _material=object.material;if(Array.isArray(_material)){var groups=_geometry2.groups;for(var i=0,l=groups.length;i<l;i++){var group=groups[i];var groupMaterial=_material[group.materialIndex];if(groupMaterial&&groupMaterial.visible){currentRenderList.push(object,_geometry2,groupMaterial,groupOrder,_vector3.z,group);}}}else if(_material.visible){currentRenderList.push(object,_geometry2,_material,groupOrder,_vector3.z,null);}}}}var children=object.children;for(var _i51=0,_l6=children.length;_i51<_l6;_i51++){projectObject(children[_i51],camera,groupOrder,sortObjects);}}

1100function renderScene(currentRenderList,scene,camera,viewport){var opaqueObjects=currentRenderList.opaque;var transmissiveObjects=currentRenderList.transmissive;var transparentObjects=currentRenderList.transparent;currentRenderState.setupLightsView(camera);if(transmissiveObjects.length>0)renderTransmissionPass(opaqueObjects,scene,camera);if(viewport)state.viewport(_currentViewport.copy(viewport));if(opaqueObjects.length>0)renderObjects(opaqueObjects,scene,camera);if(transmissiveObjects.length>0)renderObjects(transmissiveObjects,scene,camera);if(transparentObjects.length>0)renderObjects(transparentObjects,scene,camera);// Ensure depth buffer writing is enabled so it can be cleared on next render
1101state.buffers.depth.setTest(true);state.buffers.depth.setMask(true);state.buffers.color.setMask(true);state.setPolygonOffset(false);}function renderTransmissionPass(opaqueObjects,scene,camera){var isWebGL2=capabilities.isWebGL2;if(_transmissionRenderTarget===null){_transmissionRenderTarget=new WebGLRenderTarget(1,1,{generateMipmaps:true,type:extensions.has('EXT_color_buffer_half_float')?HalfFloatType:UnsignedByteType,minFilter:LinearMipmapLinearFilter,samples:isWebGL2&&_antialias===true?4:0});}_this.getDrawingBufferSize(_vector2);if(isWebGL2){_transmissionRenderTarget.setSize(_vector2.x,_vector2.y);}else{_transmissionRenderTarget.setSize(floorPowerOfTwo(_vector2.x),floorPowerOfTwo(_vector2.y));}//
1102var currentRenderTarget=_this.getRenderTarget();_this.setRenderTarget(_transmissionRenderTarget);_this.clear();// Turn off the features which can affect the frag color for opaque objects pass.
1103// Otherwise they are applied twice in opaque objects pass and transmission objects pass.
1104var currentToneMapping=_this.toneMapping;_this.toneMapping=NoToneMapping;renderObjects(opaqueObjects,scene,camera);_this.toneMapping=currentToneMapping;textures.updateMultisampleRenderTarget(_transmissionRenderTarget);textures.updateRenderTargetMipmap(_transmissionRenderTarget);_this.setRenderTarget(currentRenderTarget);}function renderObjects(renderList,scene,camera){var overrideMaterial=scene.isScene===true?scene.overrideMaterial:null;for(var i=0,l=renderList.length;i<l;i++){var renderItem=renderList[i];var object=renderItem.object;var geometry=renderItem.geometry;var material=overrideMaterial===null?renderItem.material:overrideMaterial;var group=renderItem.group;if(object.layers.test(camera.layers)){renderObject(object,scene,camera,geometry,material,group);}}}function renderObject(object,scene,camera,geometry,material,group){object.onBeforeRender(_this,scene,camera,geometry,material,group);object.modelViewMatrix.multiplyMatrices(camera.matrixWorldInverse,object.matrixWorld);object.normalMatrix.getNormalMatrix(object.modelViewMatrix);material.onBeforeRender(_this,scene,camera,geometry,object,group);if(material.transparent===true&&material.side===DoubleSide){material.side=BackSide;material.needsUpdate=true;_this.renderBufferDirect(camera,scene,geometry,material,object,group);material.side=FrontSide;material.needsUpdate=true;_this.renderBufferDirect(camera,scene,geometry,material,object,group);material.side=DoubleSide;}else{_this.renderBufferDirect(camera,scene,geometry,material,object,group);}object.onAfterRender(_this,scene,camera,geometry,material,group);}function getProgram(material,scene,object){if(scene.isScene!==true)scene=_emptyScene;// scene could be a Mesh, Line, Points, ...
1105var materialProperties=properties.get(material);var lights=currentRenderState.state.lights;var shadowsArray=currentRenderState.state.shadowsArray;var lightsStateVersion=lights.state.version;var parameters=programCache.getParameters(material,lights.state,shadowsArray,scene,object);var programCacheKey=programCache.getProgramCacheKey(parameters);var programs=materialProperties.programs;// always update environment and fog - changing these trigger an getProgram call, but it's possible that the program doesn't change
1106materialProperties.environment=material.isMeshStandardMaterial?scene.environment:null;materialProperties.fog=scene.fog;materialProperties.envMap=(material.isMeshStandardMaterial?cubeuvmaps:cubemaps).get(material.envMap||materialProperties.environment);

1106if(programs===undefined){// new material
1107material.addEventListener('dispose',onMaterialDispose);programs=new Map();materialProperties.programs=programs;}var program=programs.get(programCacheKey);if(program!==undefined){// early out if program and light state is identical
1108if(materialProperties.currentProgram===program&&materialProperties.lightsStateVersion===lightsStateVersion){updateCommonMaterialProperties(material,parameters);return program;}}else{parameters.uniforms=programCache.getUniforms(material);material.onBuild(object,parameters,_this);material.onBeforeCompile(parameters,_this);program=programCache.acquireProgram(parameters,programCacheKey);programs.set(programCacheKey,program);materialProperties.uniforms=parameters.uniforms;}var uniforms=materialProperties.uniforms;if(!material.isShaderMaterial&&!material.isRawShaderMaterial||material.clipping===true){uniforms.clippingPlanes=clipping.uniform;}updateCommonMaterialProperties(material,parameters);// store the light setup it was created for
1109materialProperties.needsLights=materialNeedsLights(material);materialProperties.lightsStateVersion=lightsStateVersion;if(materialProperties.needsLights){// wire up the material to this renderer's lighting state
1110uniforms.ambientLightColor.value=lights.state.ambient;uniforms.lightProbe.value=lights.state.probe;uniforms.directionalLights.value=lights.state.directional;uniforms.directionalLightShadows.value=lights.state.directionalShadow;uniforms.spotLights.value=lights.state.spot;uniforms.spotLightShadows.value=lights.state.spotShadow;uniforms.rectAreaLights.value=lights.state.rectArea;uniforms.ltc_1.value=lights.state.rectAreaLTC1;uniforms.ltc_2.value=lights.state.rectAreaLTC2;uniforms.pointLights.value=lights.state.point;uniforms.pointLightShadows.value=lights.state.pointShadow;uniforms.hemisphereLights.value=lights.state.hemi;uniforms.directionalShadowMap.value=lights.state.directionalShadowMap;uniforms.directionalShadowMatrix.value=lights.state.directionalShadowMatrix;uniforms.spotShadowMap.value=lights.state.spotShadowMap;uniforms.spotShadowMatrix.value=lights.state.spotShadowMatrix;uniforms.pointShadowMap.value=lights.state.pointShadowMap;uniforms.pointShadowMatrix.value=lights.state.pointShadowMatrix;// TODO (abelnation): add area lights shadow info to uniforms
1111}var progUniforms=program.getUniforms();var uniformsList=WebGLUniforms.seqWithValue(progUniforms.seq,uniforms);materialProperties.currentProgram=program;materialProperties.uniformsList=uniformsList;return program;}function updateCommonMaterialProperties(material,parameters){var materialProperties=properties.get(material);materialProperties.outputEncoding=parameters.outputEncoding;materialProperties.instancing=parameters.instancing;materialProperties.skinning=parameters.skinning;materialProperties.morphTargets=parameters.morphTargets;materialProperties.morphNormals=parameters.morphNormals;materialProperties.morphColors=parameters.morphColors;materialProperties.morphTargetsCount=parameters.morphTargetsCount;materialProperties.numClippingPlanes=parameters.numClippingPlanes;materialProperties.numIntersection=parameters.numClipIntersection;materialProperties.vertexAlphas=parameters.vertexAlphas;materialProperties.vertexTangents=parameters.vertexTangents;materialProperties.toneMapping=parameters.toneMapping;}function setProgram(camera,scene,geometry,material,object){if(scene.isScene!==true)scene=_emptyScene;// scene could be a Mesh, Line, Points, ...
1112textures.resetTextureUnits();var fog=scene.fog;var environment=material.isMeshStandardMaterial?scene.environment:null;var encoding=_currentRenderTarget===null?_this.outputEncoding:_currentRenderTarget.isXRRenderTarget===true?_currentRenderTarget.texture.encoding:LinearEncoding;var envMap=(material.isMeshStandardMaterial?cubeuvmaps:cubemaps).get(material.envMap||environment);var vertexAlphas=material.vertexColors===true&&!!geometry.attributes.color&&geometry.attributes.color.itemSize===4;var vertexTangents=!!material.normalMap&&!!geometry.attributes.tangent;var morphTargets=!!geometry.morphAttributes.position;var morphNormals=!!geometry.morphAttributes.normal;var morphColors=!!geometry.morphAttributes.color;var toneMapping=material.toneMapped?_this.toneMapping:NoToneMapping;var morphAttribute=geometry.morphAttributes.position||geometry.morphAttributes.normal||geometry.morphAttributes.color;var morphTargetsCount=morphAttribute!==undefined?morphAttribute.length:0;var materialProperties=properties.get(material);var lights=currentRenderState.state.lights;if(_clippingEnabled===true){if(_localClippingEnabled===true||camera!==_currentCamera){var useCache=camera===_currentCamera&&material.id===_currentMaterialId;

1112// we might want to call this function with some ClippingGroup
1113// object instead of the material, once it becomes feasible
1114// (#8465, #8379)
1115clipping.setState(material,camera,useCache);}}//
1116var needsProgramChange=false;if(material.version===materialProperties.__version){if(materialProperties.needsLights&&materialProperties.lightsStateVersion!==lights.state.version){needsProgramChange=true;}else if(materialProperties.outputEncoding!==encoding){needsProgramChange=true;}else if(object.isInstancedMesh&&materialProperties.instancing===false){needsProgramChange=true;}else if(!object.isInstancedMesh&&materialProperties.instancing===true){needsProgramChange=true;}else if(object.isSkinnedMesh&&materialProperties.skinning===false){needsProgramChange=true;}else if(!object.isSkinnedMesh&&materialProperties.skinning===true){needsProgramChange=true;}else if(materialProperties.envMap!==envMap){needsProgramChange=true;}else if(material.fog===true&&materialProperties.fog!==fog){needsProgramChange=true;}else if(materialProperties.numClippingPlanes!==undefined&&(materialProperties.numClippingPlanes!==clipping.numPlanes||materialProperties.numIntersection!==clipping.numIntersection)){needsProgramChange=true;}else if(materialProperties.vertexAlphas!==vertexAlphas){needsProgramChange=true;}else if(materialProperties.vertexTangents!==vertexTangents){needsProgramChange=true;}else if(materialProperties.morphTargets!==morphTargets){needsProgramChange=true;}else if(materialProperties.morphNormals!==morphNormals){needsProgramChange=true;}else if(materialProperties.morphColors!==morphColors){needsProgramChange=true;}else if(materialProperties.toneMapping!==toneMapping){needsProgramChange=true;}else if(capabilities.isWebGL2===true&&materialProperties.morphTargetsCount!==morphTargetsCount){needsProgramChange=true;}}else{needsProgramChange=true;materialProperties.__version=material.version;}//
1117var program=materialProperties.currentProgram;if(needsProgramChange===true){program=getProgram(material,scene,object);}var refreshProgram=false;var refreshMaterial=false;var refreshLights=false;var p_uniforms=program.getUniforms(),m_uniforms=materialProperties.uniforms;if(state.useProgram(program.program)){refreshProgram=true;refreshMaterial=true;refreshLights=true;}if(material.id!==_currentMaterialId){_currentMaterialId=material.id;refreshMaterial=true;}if(refreshProgram||_currentCamera!==camera){p_uniforms.setValue(_gl,'projectionMatrix',camera.projectionMatrix);if(capabilities.logarithmicDepthBuffer){p_uniforms.setValue(_gl,'logDepthBufFC',2.0/(Math.log(camera.far+1.0)/Math.LN2));}if(_currentCamera!==camera){_currentCamera=camera;// lighting uniforms depend on the camera so enforce an update
1118// now, in case this material supports lights - or later, when
1119// the next material that does gets activated:
1120refreshMaterial=true;// set to true on material change
1121refreshLights=true;// remains set until update done
1122}// load material specific uniforms
1123// (shader material also gets them for the sake of genericity)
1124if(material.isShaderMaterial||material.isMeshPhongMaterial||material.isMeshToonMaterial||material.isMeshStandardMaterial||material.envMap){var uCamPos=p_uniforms.map.cameraPosition;if(uCamPos!==undefined){uCamPos.setValue(_gl,_vector3.setFromMatrixPosition(camera.matrixWorld));}}if(material.isMeshPhongMaterial||material.isMeshToonMaterial||material.isMeshLambertMaterial||material.isMeshBasicMaterial||material.isMeshStandardMaterial||material.isShaderMaterial){p_uniforms.setValue(_gl,'isOrthographic',camera.isOrthographicCamera===true);}if(material.isMeshPhongMaterial||material.isMeshToonMaterial||material.isMeshLambertMaterial||material.isMeshBasicMaterial||material.isMeshStandardMaterial||material.isShaderMaterial||material.isShadowMaterial||object.isSkinnedMesh){p_uniforms.setValue(_gl,'viewMatrix',camera.matrixWorldInverse);}}// skinning and morph target uniforms must be set even if material didn't change
1125// auto-setting of texture unit for bone and morph texture must go before other textures
1126// otherwise textures used for skinning and morphing can take over texture units reserved for other material textures

1127if(object.isSkinnedMesh){p_uniforms.setOptional(_gl,object,'bindMatrix');p_uniforms.setOptional(_gl,object,'bindMatrixInverse');var skeleton=object.skeleton;if(skeleton){if(capabilities.floatVertexTextures){if(skeleton.boneTexture===null)skeleton.computeBoneTexture();p_uniforms.setValue(_gl,'boneTexture',skeleton.boneTexture,textures);p_uniforms.setValue(_gl,'boneTextureSize',skeleton.boneTextureSize);}else{console.warn('THREE.WebGLRenderer: SkinnedMesh can only be used with WebGL 2. With WebGL 1 OES_texture_float and vertex textures support is required.');}}}var morphAttributes=geometry.morphAttributes;if(morphAttributes.position!==undefined||morphAttributes.normal!==undefined||morphAttributes.color!==undefined&&capabilities.isWebGL2===true){morphtargets.update(object,geometry,material,program);}if(refreshMaterial||materialProperties.receiveShadow!==object.receiveShadow){materialProperties.receiveShadow=object.receiveShadow;p_uniforms.setValue(_gl,'receiveShadow',object.receiveShadow);}if(refreshMaterial){p_uniforms.setValue(_gl,'toneMappingExposure',_this.toneMappingExposure);if(materialProperties.needsLights){// the current material requires lighting info
1128// note: all lighting uniforms are always set correctly
1129// they simply reference the renderer's state for their
1130// values
1131//
1132// use the current material's .needsUpdate flags to set
1133// the GL state when required
1134markUniformsLightsNeedsUpdate(m_uniforms,refreshLights);}// refresh uniforms common to several materials
1135if(fog&&material.fog===true){materials.refreshFogUniforms(m_uniforms,fog);}materials.refreshMaterialUniforms(m_uniforms,material,_pixelRatio,_height,_transmissionRenderTarget);WebGLUniforms.upload(_gl,materialProperties.uniformsList,m_uniforms,textures);}if(material.isShaderMaterial&&material.uniformsNeedUpdate===true){WebGLUniforms.upload(_gl,materialProperties.uniformsList,m_uniforms,textures);material.uniformsNeedUpdate=false;}if(material.isSpriteMaterial){p_uniforms.setValue(_gl,'center',object.center);}// common matrices
1136p_uniforms.setValue(_gl,'modelViewMatrix',object.modelViewMatrix);p_uniforms.setValue(_gl,'normalMatrix',object.normalMatrix);p_uniforms.setValue(_gl,'modelMatrix',object.matrixWorld);// UBOs
1137if(material.isShaderMaterial||material.isRawShaderMaterial){var groups=material.uniformsGroups;for(var i=0,l=groups.length;i<l;i++){if(capabilities.isWebGL2){var group=groups[i];uniformsGroups.update(group,program);uniformsGroups.bind(group,program);}else{console.warn('THREE.WebGLRenderer: Uniform Buffer Objects can only be used with WebGL 2.');}}}return program;}// If uniforms are marked as clean, they don't need to be loaded to the GPU.
1138function markUniformsLightsNeedsUpdate(uniforms,value){uniforms.ambientLightColor.needsUpdate=value;uniforms.lightProbe.needsUpdate=value;uniforms.directionalLights.needsUpdate=value;uniforms.directionalLightShadows.needsUpdate=value;uniforms.pointLights.needsUpdate=value;uniforms.pointLightShadows.needsUpdate=value;uniforms.spotLights.needsUpdate=value;uniforms.spotLightShadows.needsUpdate=value;uniforms.rectAreaLights.needsUpdate=value;uniforms.hemisphereLights.needsUpdate=value;}function materialNeedsLights(material){return material.isMeshLambertMaterial||material.isMeshToonMaterial||material.isMeshPhongMaterial||material.isMeshStandardMaterial||material.isShadowMaterial||material.isShaderMaterial&&material.lights===true;}this.getActiveCubeFace=function(){return _currentActiveCubeFace;};this.getActiveMipmapLevel=function(){return _currentActiveMipmapLevel;};this.getRenderTarget=function(){return _currentRenderTarget;};this.setRenderTargetTextures=function(renderTarget,colorTexture,depthTexture){properties.get(renderTarget.texture).__webglTexture=colorTexture;properties.get(renderTarget.depthTexture).__webglTexture=depthTexture;var renderTargetProperties=properties.get(renderTarget);renderTargetProperties.__hasExternalTextures=true;if(renderTargetProperties.__hasExternalTextures){renderTargetProperties.__autoAllocateDepthBuffer=depthTexture===undefined;if(!renderTargetProperties.__autoAllocateDepthBuffer){// The multisample_render_to_texture extension doesn't work properly if there
1139// are midframe flushes and an external depth buffer. Disable use of the extension.
1140if(extensions.has('WEBGL_multisampled_render_to_texture')===true){console.warn('THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided');renderTargetProperties.__useRenderToTexture=false;}}}};this.setRenderTargetFramebuffer=function(renderTarget,defaultFramebuffer){var renderTargetProperties=properties.get(renderTarget);renderTargetProperties.__webglFramebuffer=defaultFramebuffer;renderTargetProperties.__useDefaultFramebuffer=defaultFramebuffer===undefined;};this.setRenderTarget=function(renderTarget){var activeCubeFace=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var activeMipmapLevel=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;_currentRenderTarget=renderTarget;_currentActiveCubeFace=activeCubeFace;_currentActiveMipmapLevel=activeMipmapLevel;var useDefaultFramebuffer=true;if(renderTarget){var renderTargetProperties=properties.get(renderTarget);if(renderTargetProperties.__useDefaultFramebuffer!==undefined){// We need to make sure to rebind the framebuffer.
1141state.bindFramebuffer(_gl.FRAMEBUFFER,null);useDefaultFramebuffer=false;}else if(renderTargetProperties.__webglFramebuffer===undefined){textures.setupRenderTarget(renderTarget);}else if(renderTargetProperties.__hasExternalTextures){// Color and depth texture must be rebound in order for the swapchain to update.
1142textures.rebindTextures(renderTarget,properties.get(renderTarget.texture).__webglTexture,properties.get(renderTarget.depthTexture).__webglTexture);}}var framebuffer=null;var isCube=false;var isRenderTarget3D=false;if(renderTarget){var texture=renderTarget.texture;if(texture.isData3DTexture||texture.isDataArrayTexture){isRenderTarget3D=true;}var __webglFramebuffer=properties.get(renderTarget).__webglFramebuffer;

1142if(renderTarget.isWebGLCubeRenderTarget){framebuffer=__webglFramebuffer[activeCubeFace];isCube=true;}else if(capabilities.isWebGL2&&renderTarget.samples>0&&textures.useMultisampledRTT(renderTarget)===false){framebuffer=properties.get(renderTarget).__webglMultisampledFramebuffer;}else{framebuffer=__webglFramebuffer;}_currentViewport.copy(renderTarget.viewport);_currentScissor.copy(renderTarget.scissor);_currentScissorTest=renderTarget.scissorTest;}else{_currentViewport.copy(_viewport).multiplyScalar(_pixelRatio).floor();_currentScissor.copy(_scissor).multiplyScalar(_pixelRatio).floor();_currentScissorTest=_scissorTest;}var framebufferBound=state.bindFramebuffer(_gl.FRAMEBUFFER,framebuffer);if(framebufferBound&&capabilities.drawBuffers&&useDefaultFramebuffer){state.drawBuffers(renderTarget,framebuffer);}state.viewport(_currentViewport);state.scissor(_currentScissor);state.setScissorTest(_currentScissorTest);if(isCube){var textureProperties=properties.get(renderTarget.texture);_gl.framebufferTexture2D(_gl.FRAMEBUFFER,_gl.COLOR_ATTACHMENT0,_gl.TEXTURE_CUBE_MAP_POSITIVE_X+activeCubeFace,textureProperties.__webglTexture,activeMipmapLevel);}else if(isRenderTarget3D){var _textureProperties=properties.get(renderTarget.texture);var layer=activeCubeFace||0;_gl.framebufferTextureLayer(_gl.FRAMEBUFFER,_gl.COLOR_ATTACHMENT0,_textureProperties.__webglTexture,activeMipmapLevel||0,layer);}_currentMaterialId=-1;// reset current material to ensure correct uniform bindings
1143};this.readRenderTargetPixels=function(renderTarget,x,y,width,height,buffer,activeCubeFaceIndex){if(!(renderTarget&&renderTarget.isWebGLRenderTarget)){console.error('THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.');return;}var framebuffer=properties.get(renderTarget).__webglFramebuffer;if(renderTarget.isWebGLCubeRenderTarget&&activeCubeFaceIndex!==undefined){framebuffer=framebuffer[activeCubeFaceIndex];}if(framebuffer){state.bindFramebuffer(_gl.FRAMEBUFFER,framebuffer);try{var texture=renderTarget.texture;var textureFormat=texture.format;var textureType=texture.type;if(textureFormat!==RGBAFormat&&utils.convert(textureFormat)!==_gl.getParameter(_gl.IMPLEMENTATION_COLOR_READ_FORMAT)){console.error('THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.');return;}var halfFloatSupportedByExt=textureType===HalfFloatType&&(extensions.has('EXT_color_buffer_half_float')||capabilities.isWebGL2&&extensions.has('EXT_color_buffer_float'));if(textureType!==UnsignedByteType&&utils.convert(textureType)!==_gl.getParameter(_gl.IMPLEMENTATION_COLOR_READ_TYPE)&&// Edge and Chrome Mac < 52 (#9513)
1144!(textureType===FloatType&&(capabilities.isWebGL2||extensions.has('OES_texture_float')||extensions.has('WEBGL_color_buffer_float')))&&// Chrome Mac >= 52 and Firefox
1145!halfFloatSupportedByExt){console.error('THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.');return;}// the following if statement ensures valid read requests (no out-of-bounds pixels, see #8604)
1146if(x>=0&&x<=renderTarget.width-width&&y>=0&&y<=renderTarget.height-height){_gl.readPixels(x,y,width,height,utils.convert(textureFormat),utils.convert(textureType),buffer);}}finally{// restore framebuffer of current render target if necessary
1147var _framebuffer=_currentRenderTarget!==null?properties.get(_currentRenderTarget).__webglFramebuffer:null;state.bindFramebuffer(_gl.FRAMEBUFFER,_framebuffer);}}};this.copyFramebufferToTexture=function(position,texture){var level=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var levelScale=Math.pow(2,-level);var width=Math.floor(texture.image.width*levelScale);var height=Math.floor(texture.image.height*levelScale);textures.setTexture2D(texture,0);_gl.copyTexSubImage2D(_gl.TEXTURE_2D,level,0,0,position.x,position.y,width,height);state.unbindTexture();};this.copyTextureToTexture=function(position,srcTexture,dstTexture){var level=arguments.length>3&&arguments[3]!==undefined?arguments[3]:0;var width=srcTexture.image.width;var height=srcTexture.image.height;var glFormat=utils.convert(dstTexture.format);var glType=utils.convert(dstTexture.type);textures.setTexture2D(dstTexture,0);// As another texture upload may have changed pixelStorei
1148// parameters, make sure they are correct for the dstTexture
1149_gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL,dstTexture.flipY);_gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,dstTexture.premultiplyAlpha);_gl.pixelStorei(_gl.UNPACK_ALIGNMENT,dstTexture.unpackAlignment);if(srcTexture.isDataTexture){_gl.texSubImage2D(_gl.TEXTURE_2D,level,position.x,position.y,width,height,glFormat,glType,srcTexture.image.data);}else{if(srcTexture.isCompressedTexture){_gl.compressedTexSubImage2D(_gl.TEXTURE_2D,level,position.x,position.y,srcTexture.mipmaps[0].width,srcTexture.mipmaps[0].height,glFormat,srcTexture.mipmaps[0].data);}else{_gl.texSubImage2D(_gl.TEXTURE_2D,level,position.x,position.y,glFormat,glType,srcTexture.image);}}// Generate mipmaps only when copying level 0
1150if(level===0&&dstTexture.generateMipmaps)_gl.generateMipmap(_gl.TEXTURE_2D);state.unbindTexture();};this.copyTextureToTexture3D=function(sourceBox,position,srcTexture,dstTexture){var level=arguments.length>

11504&&arguments[4]!==undefined?arguments[4]:0;if(_this.isWebGL1Renderer){console.warn('THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.');return;}var width=sourceBox.max.x-sourceBox.min.x+1;var height=sourceBox.max.y-sourceBox.min.y+1;var depth=sourceBox.max.z-sourceBox.min.z+1;var glFormat=utils.convert(dstTexture.format);var glType=utils.convert(dstTexture.type);var glTarget;if(dstTexture.isData3DTexture){textures.setTexture3D(dstTexture,0);glTarget=_gl.TEXTURE_3D;}else if(dstTexture.isDataArrayTexture){textures.setTexture2DArray(dstTexture,0);glTarget=_gl.TEXTURE_2D_ARRAY;}else{console.warn('THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.');return;}_gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL,dstTexture.flipY);_gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,dstTexture.premultiplyAlpha);_gl.pixelStorei(_gl.UNPACK_ALIGNMENT,dstTexture.unpackAlignment);var unpackRowLen=_gl.getParameter(_gl.UNPACK_ROW_LENGTH);var unpackImageHeight=_gl.getParameter(_gl.UNPACK_IMAGE_HEIGHT);var unpackSkipPixels=_gl.getParameter(_gl.UNPACK_SKIP_PIXELS);var unpackSkipRows=_gl.getParameter(_gl.UNPACK_SKIP_ROWS);var unpackSkipImages=_gl.getParameter(_gl.UNPACK_SKIP_IMAGES);var image=srcTexture.isCompressedTexture?srcTexture.mipmaps[0]:srcTexture.image;_gl.pixelStorei(_gl.UNPACK_ROW_LENGTH,image.width);_gl.pixelStorei(_gl.UNPACK_IMAGE_HEIGHT,image.height);_gl.pixelStorei(_gl.UNPACK_SKIP_PIXELS,sourceBox.min.x);_gl.pixelStorei(_gl.UNPACK_SKIP_ROWS,sourceBox.min.y);_gl.pixelStorei(_gl.UNPACK_SKIP_IMAGES,sourceBox.min.z);if(srcTexture.isDataTexture||srcTexture.isData3DTexture){_gl.texSubImage3D(glTarget,level,position.x,position.y,position.z,width,height,depth,glFormat,glType,image.data);}else{if(srcTexture.isCompressedTexture){console.warn('THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture.');_gl.compressedTexSubImage3D(glTarget,level,position.x,position.y,position.z,width,height,depth,glFormat,image.data);}else{_gl.texSubImage3D(glTarget,level,position.x,position.y,position.z,width,height,depth,glFormat,glType,image);}}_gl.pixelStorei(_gl.UNPACK_ROW_LENGTH,unpackRowLen);_gl.pixelStorei(_gl.UNPACK_IMAGE_HEIGHT,unpackImageHeight);_gl.pixelStorei(_gl.UNPACK_SKIP_PIXELS,unpackSkipPixels);_gl.pixelStorei(_gl.UNPACK_SKIP_ROWS,unpackSkipRows);_gl.pixelStorei(_gl.UNPACK_SKIP_IMAGES,unpackSkipImages);// Generate mipmaps only when copying level 0
1151if(level===0&&dstTexture.generateMipmaps)_gl.generateMipmap(glTarget);state.unbindTexture();};this.initTexture=function(texture){if(texture.isCubeTexture){textures.setTextureCube(texture,0);}else if(texture.isData3DTexture){textures.setTexture3D(texture,0);}else if(texture.isDataArrayTexture){textures.setTexture2DArray(texture,0);}else{textures.setTexture2D(texture,0);}state.unbindTexture();};this.resetState=function(){_currentActiveCubeFace=0;_currentActiveMipmapLevel=0;_currentRenderTarget=null;state.reset();bindingStates.reset();};if(typeof __THREE_DEVTOOLS__!=='undefined'){__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent('observe',{detail:this}));}}var WebGL1Renderer=/*#__PURE__*/function(_WebGLRenderer){_inherits(WebGL1Renderer,_WebGLRenderer);var _super38=_createSuper(WebGL1Renderer);function WebGL1Renderer(){_classCallCheck(this,WebGL1Renderer);return _super38.apply(this,arguments);}return _createClass(WebGL1Renderer);}(WebGLRenderer);WebGL1Renderer.prototype.isWebGL1Renderer=true;var FogExp2=/*#__PURE__*/function(){function FogExp2(color){var density=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0.00025;_classCallCheck(this,FogExp2);this.isFogExp2=true;this.name='';this.color=new Color(color);this.density=density;}_createClass(FogExp2,[{key:"clone",value:function clone(){return new FogExp2(this.color,this.density);}},{key:"toJSON",value:function toJSON(){return{type:'FogExp2',color:this.color.getHex(),density:this.density};}}]);return FogExp2;}();var Fog=/*#__PURE__*/function(){function Fog(color){var near=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var far=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1000;_classCallCheck(this,Fog);this.isFog=true;this.name='';this.color=new Color(color);this.near=near;this.far=far;}_createClass(Fog,[{key:"clone",value:function clone(){return new Fog(this.color,this.near,this.far);}},{key:"toJSON",value:function toJSON(){return{type:'Fog',color:this.color.getHex(),near:this.near,far:this.far};}}]);return Fog;}();var Scene=/*#__PURE__*/function(_Object3D5){_inherits(Scene,_Object3D5);var _super39=_createSuper(Scene);function Scene(){var _this30;_classCallCheck(this,Scene);_this30=_super39.call(this);_this30.isScene=true;_this30.type='Scene';_this30.background=null;_this30.environment=null;_this30.fog=null;_this30.overrideMaterial=null;_this30.autoUpdate=true;// checked by the renderer
1152if(typeof __THREE_DEVTOOLS__!=='undefined'){__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent('observe',{detail:_assertThisInitialized(_this30)}));}return _this30;}

1152_createClass(Scene,[{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(Scene.prototype),"copy",this).call(this,source,recursive);if(source.background!==null)this.background=source.background.clone();if(source.environment!==null)this.environment=source.environment.clone();if(source.fog!==null)this.fog=source.fog.clone();if(source.overrideMaterial!==null)this.overrideMaterial=source.overrideMaterial.clone();this.autoUpdate=source.autoUpdate;this.matrixAutoUpdate=source.matrixAutoUpdate;return this;}},{key:"toJSON",value:function toJSON(meta){var data=_get(_getPrototypeOf(Scene.prototype),"toJSON",this).call(this,meta);if(this.fog!==null)data.object.fog=this.fog.toJSON();return data;}}]);return Scene;}(Object3D);var InterleavedBuffer=/*#__PURE__*/function(){function InterleavedBuffer(array,stride){_classCallCheck(this,InterleavedBuffer);this.isInterleavedBuffer=true;this.array=array;this.stride=stride;this.count=array!==undefined?array.length/stride:0;this.usage=StaticDrawUsage;this.updateRange={offset:0,count:-1};this.version=0;this.uuid=generateUUID();}_createClass(InterleavedBuffer,[{key:"onUploadCallback",value:function onUploadCallback(){}},{key:"needsUpdate",set:function set(value){if(value===true)this.version++;}},{key:"setUsage",value:function setUsage(value){this.usage=value;return this;}},{key:"copy",value:function copy(source){this.array=new source.array.constructor(source.array);this.count=source.count;this.stride=source.stride;this.usage=source.usage;return this;}},{key:"copyAt",value:function copyAt(index1,attribute,index2){index1*=this.stride;index2*=attribute.stride;for(var i=0,l=this.stride;i<l;i++){this.array[index1+i]=attribute.array[index2+i];}return this;}},{key:"set",value:function set(value){var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;this.array.set(value,offset);return this;}},{key:"clone",value:function clone(data){if(data.arrayBuffers===undefined){data.arrayBuffers={};}if(this.array.buffer._uuid===undefined){this.array.buffer._uuid=generateUUID();}if(data.arrayBuffers[this.array.buffer._uuid]===undefined){data.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer;}var array=new this.array.constructor(data.arrayBuffers[this.array.buffer._uuid]);var ib=new this.constructor(array,this.stride);ib.setUsage(this.usage);return ib;}},{key:"onUpload",value:function onUpload(callback){this.onUploadCallback=callback;return this;}},{key:"toJSON",value:function toJSON(data){if(data.arrayBuffers===undefined){data.arrayBuffers={};}// generate UUID for array buffer if necessary
1153if(this.array.buffer._uuid===undefined){this.array.buffer._uuid=generateUUID();}if(data.arrayBuffers[this.array.buffer._uuid]===undefined){data.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer));}//
1154return{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride};}}]);return InterleavedBuffer;}();var _vector$6=/*@__PURE__*/new Vector3();var InterleavedBufferAttribute=/*#__PURE__*/function(){function InterleavedBufferAttribute(interleavedBuffer,itemSize,offset){var normalized=arguments.length>3&&arguments[3]!==undefined?arguments[3]:false;_classCallCheck(this,InterleavedBufferAttribute);this.isInterleavedBufferAttribute=true;this.name='';this.data=interleavedBuffer;this.itemSize=itemSize;this.offset=offset;this.normalized=normalized===true;}_createClass(InterleavedBufferAttribute,[{key:"count",get:function get(){return this.data.count;}},{key:"array",get:function get(){return this.data.array;}},{key:"needsUpdate",set:function set(value){this.data.needsUpdate=value;}},{key:"applyMatrix4",value:function applyMatrix4(m){for(var i=0,l=this.data.count;i<l;i++){_vector$6.fromBufferAttribute(this,i);_vector$6.applyMatrix4(m);this.setXYZ(i,_vector$6.x,_vector$6.y,_vector$6.z);}return this;}},{key:"applyNormalMatrix",value:function applyNormalMatrix(m){for(var i=0,l=this.count;i<l;i++){_vector$6.fromBufferAttribute(this,i);_vector$6.applyNormalMatrix(m);this.setXYZ(i,_vector$6.x,_vector$6.y,_vector$6.z);}return this;}},{key:"transformDirection",value:function transformDirection(m){for(var i=0,l=this.count;i<l;i++){_vector$6.fromBufferAttribute(this,i);_vector$6.transformDirection(m);this.setXYZ(i,_vector$6.x,_vector$6.y,_vector$6.z);}return this;}},{key:"setX",value:function setX(index,x){this.data.array[index*this.data.stride+this.offset]=x;return this;}},{key:"setY",value:function setY(index,y){this.data.array[index*this.data.stride+this.offset+1]=y;return this;}},{key:"setZ",value:function setZ(index,z){this.data.array[index*this.data.stride+this.offset+2]=z;return this;}},{key:"setW",value:function setW(index,w){this.data.array[index*this.data.stride+this.offset+3]=w;return this;}},{key:"getX",value:function getX(index){return this.data.array[index*this.data.stride+this.offset];}},{key:"getY",value:function getY(index){return this.data.array[index*this.data.stride+this.offset+1];}},{key:"getZ",value:function getZ(index){return this.data.array[index*this.data.stride+this.offset+2];}},{key:"getW",value:function getW(index){return this.data.array[index*this.data.stride+this.offset+3];}},{key:"setXY",value:function setXY(index,x,y){index=index*this.data.stride+this.offset;this.data.array[index+0]=x;this.data.array[index+1]=y;return this;}},{key:"setXYZ",value:function setXYZ(index,x,y,z){index=index*this.data.stride+this.offset;this.data.array[index+0]=x;this.data.array[index+1]=y;this.data.array[index+2]=z;return this;}},{key:"setXYZW",value:function setXYZW(index,x,y,z,w){index=index*this.data.stride+this.offset;this.data.array[index+0]=x;this.data.array[index+1]=y;this.data.array[index+2]=z;this.data.array[index+3]=w;return this;}},{key:"clone",value:function clone(data){if(data===undefined){console.log('THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will deinterleave buffer data.');var array=[];for(var i=0;i<this.count;i++){var index=i*this.data.stride+this.offset;for(var j=0;j<this.itemSize;j++){array.push(this.data.array[index+j]);}}return new BufferAttribute(new this.array.constructor(array),this.itemSize,this.normalized);}

1154else{if(data.interleavedBuffers===undefined){data.interleavedBuffers={};}if(data.interleavedBuffers[this.data.uuid]===undefined){data.interleavedBuffers[this.data.uuid]=this.data.clone(data);}return new InterleavedBufferAttribute(data.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized);}}},{key:"toJSON",value:function toJSON(data){if(data===undefined){console.log('THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will deinterleave buffer data.');var array=[];for(var i=0;i<this.count;i++){var index=i*this.data.stride+this.offset;for(var j=0;j<this.itemSize;j++){array.push(this.data.array[index+j]);}}// deinterleave data and save it as an ordinary buffer attribute for now
1155return{itemSize:this.itemSize,type:this.array.constructor.name,array:array,normalized:this.normalized};}else{// save as true interleaved attribtue
1156if(data.interleavedBuffers===undefined){data.interleavedBuffers={};}if(data.interleavedBuffers[this.data.uuid]===undefined){data.interleavedBuffers[this.data.uuid]=this.data.toJSON(data);}return{isInterleavedBufferAttribute:true,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized};}}}]);return InterleavedBufferAttribute;}();var SpriteMaterial=/*#__PURE__*/function(_Material5){_inherits(SpriteMaterial,_Material5);var _super40=_createSuper(SpriteMaterial);function SpriteMaterial(parameters){var _this31;_classCallCheck(this,SpriteMaterial);_this31=_super40.call(this);_this31.isSpriteMaterial=true;_this31.type='SpriteMaterial';_this31.color=new Color(0xffffff);_this31.map=null;_this31.alphaMap=null;_this31.rotation=0;_this31.sizeAttenuation=true;_this31.transparent=true;_this31.fog=true;_this31.setValues(parameters);return _this31;}_createClass(SpriteMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(SpriteMaterial.prototype),"copy",this).call(this,source);this.color.copy(source.color);this.map=source.map;this.alphaMap=source.alphaMap;this.rotation=source.rotation;this.sizeAttenuation=source.sizeAttenuation;this.fog=source.fog;return this;}}]);return SpriteMaterial;}(Material);var _geometry;var _intersectPoint=/*@__PURE__*/new Vector3();var _worldScale=/*@__PURE__*/new Vector3();var _mvPosition=/*@__PURE__*/new Vector3();var _alignedPosition=/*@__PURE__*/new Vector2();var _rotatedPosition=/*@__PURE__*/new Vector2();var _viewWorldMatrix=/*@__PURE__*/new Matrix4();var _vA=/*@__PURE__*/new Vector3();var _vB=/*@__PURE__*/new Vector3();var _vC=/*@__PURE__*/new Vector3();var _uvA=/*@__PURE__*/new Vector2();var _uvB=/*@__PURE__*/new Vector2();var _uvC=/*@__PURE__*/new Vector2();var Sprite=/*#__PURE__*/function(_Object3D6){_inherits(Sprite,_Object3D6);var _super41=_createSuper(Sprite);function Sprite(material){var _this32;_classCallCheck(this,Sprite);_this32=_super41.call(this);_this32.isSprite=true;_this32.type='Sprite';if(_geometry===undefined){_geometry=new BufferGeometry();var float32Array=new Float32Array([-0.5,-0.5,0,0,0,0.5,-0.5,0,1,0,0.5,0.5,0,1,1,-0.5,0.5,0,0,1]);var interleavedBuffer=new InterleavedBuffer(float32Array,5);_geometry.setIndex([0,1,2,0,2,3]);_geometry.setAttribute('position',new InterleavedBufferAttribute(interleavedBuffer,3,0,false));_geometry.setAttribute('uv',new InterleavedBufferAttribute(interleavedBuffer,2,3,false));}_this32.geometry=_geometry;_this32.material=material!==undefined?material:new SpriteMaterial();_this32.center=new Vector2(0.5,0.5);return _this32;}_createClass(Sprite,[{key:"raycast",value:function raycast(raycaster,intersects){if(raycaster.camera===null){console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.');}_worldScale.setFromMatrixScale(this.matrixWorld);_viewWorldMatrix.copy(raycaster.camera.matrixWorld);this.modelViewMatrix.multiplyMatrices(raycaster.camera.matrixWorldInverse,this.matrixWorld);_mvPosition.setFromMatrixPosition(this.modelViewMatrix);if(raycaster.camera.isPerspectiveCamera&&this.material.sizeAttenuation===false){_worldScale.multiplyScalar(-_mvPosition.z);}var rotation=this.material.rotation;var sin,cos;if(rotation!==0){cos=Math.cos(rotation);sin=Math.sin(rotation);}var center=this.center;transformVertex(_vA.set(-0.5,-0.5,0),_mvPosition,center,_worldScale,sin,cos);transformVertex(_vB.set(0.5,-0.5,0),_mvPosition,center,_worldScale,sin,cos);transformVertex(_vC.set(0.5,0.5,0),_mvPosition,center,_worldScale,sin,cos);_uvA.set(0,0);_uvB.set(1,0);_uvC.set(1,1);// check first triangle
1157var intersect=raycaster.ray.intersectTriangle(_vA,_vB,_vC,false,_intersectPoint);if(intersect===null){// check second triangle
1158transformVertex(_vB.set(-0.5,0.5,0),_mvPosition,center,_worldScale,sin,cos);_uvB.set(0,1);intersect=raycaster.ray.intersectTriangle(_vA,_vC,_vB,false,_intersectPoint);if(intersect===null){return;}}var distance=raycaster.ray.origin.distanceTo(_intersectPoint);if(distance<raycaster.near||distance>raycaster.far)return;intersects.push({distance:distance,point:_intersectPoint.clone(),uv:Triangle.getUV(_intersectPoint,_vA,_vB,_vC,_uvA,_uvB,_uvC,new Vector2()),face:null,object:this});}},{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(Sprite.prototype),"copy",this).call(this,source,recursive);if(source.center!==undefined)this.center.copy(source.center);this.material=source.material;return this;}}]);return Sprite;}(Object3D);function transformVertex(vertexPosition,mvPosition,center,scale,sin,cos){// compute position in camera space
1159_alignedPosition.subVectors(vertexPosition,center).addScalar(0.5).multiply(scale);// to check if rotation is not zero
1160if(sin!==undefined){_rotatedPosition.x=cos*_alignedPosition.x-sin*_alignedPosition.y;_rotatedPosition.y=sin*_alignedPosition.x+cos*_alignedPosition.y;}else{_rotatedPosition.copy(_alignedPosition);}vertexPosition.copy(mvPosition);vertexPosition.x+=_rotatedPosition.x;vertexPosition.y+=_rotatedPosition.y;// transform to world space
1161vertexPosition.applyMatrix4(_viewWorldMatrix);}var _v1$2=/*@__PURE__*/new Vector3();var _v2$1=/*@__PURE__*/new Vector3();var LOD=/*#__PURE__*/function(_Object3D7){_inherits(LOD,_Object3D7);var _super42=_createSuper(LOD);function LOD(){var _this33;_classCallCheck(this,LOD);_this33=_super42.call(this);_this33._currentLevel=0;_this33.type='LOD';Object.defineProperties(_assertThisInitialized(_this33),{levels:{enumerable:true,value:[]},isLOD:{value:true}});_this33.autoUpdate=true;return _this33;}

1161_createClass(LOD,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(LOD.prototype),"copy",this).call(this,source,false);var levels=source.levels;for(var i=0,l=levels.length;i<l;i++){var level=levels[i];this.addLevel(level.object.clone(),level.distance);}this.autoUpdate=source.autoUpdate;return this;}},{key:"addLevel",value:function addLevel(object){var distance=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;distance=Math.abs(distance);var levels=this.levels;var l;for(l=0;l<levels.length;l++){if(distance<levels[l].distance){break;}}levels.splice(l,0,{distance:distance,object:object});this.add(object);return this;}},{key:"getCurrentLevel",value:function getCurrentLevel(){return this._currentLevel;}},{key:"getObjectForDistance",value:function getObjectForDistance(distance){var levels=this.levels;if(levels.length>0){var i,l;for(i=1,l=levels.length;i<l;i++){if(distance<levels[i].distance){break;}}return levels[i-1].object;}return null;}},{key:"raycast",value:function raycast(raycaster,intersects){var levels=this.levels;if(levels.length>0){_v1$2.setFromMatrixPosition(this.matrixWorld);var distance=raycaster.ray.origin.distanceTo(_v1$2);this.getObjectForDistance(distance).raycast(raycaster,intersects);}}},{key:"update",value:function update(camera){var levels=this.levels;if(levels.length>1){_v1$2.setFromMatrixPosition(camera.matrixWorld);_v2$1.setFromMatrixPosition(this.matrixWorld);var distance=_v1$2.distanceTo(_v2$1)/camera.zoom;levels[0].object.visible=true;var i,l;for(i=1,l=levels.length;i<l;i++){if(distance>=levels[i].distance){levels[i-1].object.visible=false;levels[i].object.visible=true;}else{break;}}this._currentLevel=i-1;for(;i<l;i++){levels[i].object.visible=false;}}}},{key:"toJSON",value:function toJSON(meta){var data=_get(_getPrototypeOf(LOD.prototype),"toJSON",this).call(this,meta);if(this.autoUpdate===false)data.object.autoUpdate=false;data.object.levels=[];var levels=this.levels;for(var i=0,l=levels.length;i<l;i++){var level=levels[i];data.object.levels.push({object:level.object.uuid,distance:level.distance});}return data;}}]);return LOD;}(Object3D);var _basePosition=/*@__PURE__*/new Vector3();var _skinIndex=/*@__PURE__*/new Vector4();var _skinWeight=/*@__PURE__*/new Vector4();var _vector$5=/*@__PURE__*/new Vector3();var _matrix=/*@__PURE__*/new Matrix4();var SkinnedMesh=/*#__PURE__*/function(_Mesh){_inherits(SkinnedMesh,_Mesh);var _super43=_createSuper(SkinnedMesh);function SkinnedMesh(geometry,material){var _this34;_classCallCheck(this,SkinnedMesh);_this34=_super43.call(this,geometry,material);_this34.isSkinnedMesh=true;_this34.type='SkinnedMesh';_this34.bindMode='attached';_this34.bindMatrix=new Matrix4();_this34.bindMatrixInverse=new Matrix4();return _this34;}_createClass(SkinnedMesh,[{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(SkinnedMesh.prototype),"copy",this).call(this,source,recursive);this.bindMode=source.bindMode;this.bindMatrix.copy(source.bindMatrix);this.bindMatrixInverse.copy(source.bindMatrixInverse);this.skeleton=source.skeleton;return this;}},{key:"bind",value:function bind(skeleton,bindMatrix){this.skeleton=skeleton;if(bindMatrix===undefined){this.updateMatrixWorld(true);this.skeleton.calculateInverses();bindMatrix=this.matrixWorld;}this.bindMatrix.copy(bindMatrix);this.bindMatrixInverse.copy(bindMatrix).invert();}},{key:"pose",value:function pose(){this.skeleton.pose();}},{key:"normalizeSkinWeights",value:function normalizeSkinWeights(){var vector=new Vector4();var skinWeight=this.geometry.attributes.skinWeight;for(var i=0,l=skinWeight.count;i<l;i++){vector.fromBufferAttribute(skinWeight,i);var scale=1.0/vector.manhattanLength();if(scale!==Infinity){vector.multiplyScalar(scale);}else{vector.set(1,0,0,0);// do something reasonable
1162}skinWeight.setXYZW(i,vector.x,vector.y,vector.z,vector.w);}}},{key:"updateMatrixWorld",value:function updateMatrixWorld(force){_get(_getPrototypeOf(SkinnedMesh.prototype),"updateMatrixWorld",this).call(this,force);if(this.bindMode==='attached'){this.bindMatrixInverse.copy(this.matrixWorld).invert();}else if(this.bindMode==='detached'){this.bindMatrixInverse.copy(this.bindMatrix).invert();}else{console.warn('THREE.SkinnedMesh: Unrecognized bindMode: '+this.bindMode);}}},{key:"boneTransform",value:function boneTransform(index,target){var skeleton=this.skeleton;var geometry=this.geometry;_skinIndex.fromBufferAttribute(geometry.attributes.skinIndex,index);_skinWeight.fromBufferAttribute(geometry.attributes.skinWeight,index);_basePosition.copy(target).applyMatrix4(this.bindMatrix);target.set(0,0,0);for(var i=0;i<4;i++){var weight=_skinWeight.getComponent(i);if(weight!==0){var boneIndex=_skinIndex.getComponent(i);_matrix.multiplyMatrices(skeleton.bones[boneIndex].matrixWorld,skeleton.boneInverses[boneIndex]);target.addScaledVector(_vector$5.copy(_basePosition).applyMatrix4(_matrix),weight);}}

1162return target.applyMatrix4(this.bindMatrixInverse);}}]);return SkinnedMesh;}(Mesh);var Bone=/*#__PURE__*/function(_Object3D8){_inherits(Bone,_Object3D8);var _super44=_createSuper(Bone);function Bone(){var _this35;_classCallCheck(this,Bone);_this35=_super44.call(this);_this35.isBone=true;_this35.type='Bone';return _this35;}return _createClass(Bone);}(Object3D);var DataTexture=/*#__PURE__*/function(_Texture5){_inherits(DataTexture,_Texture5);var _super45=_createSuper(DataTexture);function DataTexture(){var _this36;var data=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;var width=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var height=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;var format=arguments.length>3?arguments[3]:undefined;var type=arguments.length>4?arguments[4]:undefined;var mapping=arguments.length>5?arguments[5]:undefined;var wrapS=arguments.length>6?arguments[6]:undefined;var wrapT=arguments.length>7?arguments[7]:undefined;var magFilter=arguments.length>8&&arguments[8]!==undefined?arguments[8]:NearestFilter;var minFilter=arguments.length>9&&arguments[9]!==undefined?arguments[9]:NearestFilter;var anisotropy=arguments.length>10?arguments[10]:undefined;var encoding=arguments.length>11?arguments[11]:undefined;_classCallCheck(this,DataTexture);_this36=_super45.call(this,null,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy,encoding);_this36.isDataTexture=true;_this36.image={data:data,width:width,height:height};_this36.generateMipmaps=false;_this36.flipY=false;_this36.unpackAlignment=1;return _this36;}return _createClass(DataTexture);}(Texture);var _offsetMatrix=/*@__PURE__*/new Matrix4();var _identityMatrix=/*@__PURE__*/new Matrix4();var Skeleton=/*#__PURE__*/function(){function Skeleton(){var bones=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var boneInverses=arguments.length>1&&arguments[1]!==undefined?arguments[1]:[];_classCallCheck(this,Skeleton);this.uuid=generateUUID();this.bones=bones.slice(0);this.boneInverses=boneInverses;this.boneMatrices=null;this.boneTexture=null;this.boneTextureSize=0;this.frame=-1;this.init();}_createClass(Skeleton,[{key:"init",value:function init(){var bones=this.bones;var boneInverses=this.boneInverses;this.boneMatrices=new Float32Array(bones.length*16);// calculate inverse bone matrices if necessary
1163if(boneInverses.length===0){this.calculateInverses();}else{// handle special case
1164if(bones.length!==boneInverses.length){console.warn('THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.');this.boneInverses=[];for(var i=0,il=this.bones.length;i<il;i++){this.boneInverses.push(new Matrix4());}}}}},{key:"calculateInverses",value:function calculateInverses(){this.boneInverses.length=0;for(var i=0,il=this.bones.length;i<il;i++){var inverse=new Matrix4();if(this.bones[i]){inverse.copy(this.bones[i].matrixWorld).invert();}this.boneInverses.push(inverse);}}},{key:"pose",value:function pose(){// recover the bind-time world matrices
1165for(var i=0,il=this.bones.length;i<il;i++){var bone=this.bones[i];if(bone){bone.matrixWorld.copy(this.boneInverses[i]).invert();}}// compute the local matrices, positions, rotations and scales
1166for(var _i52=0,_il12=this.bones.length;_i52<_il12;_i52++){var _bone=this.bones[_i52];if(_bone){if(_bone.parent&&_bone.parent.isBone){_bone.matrix.copy(_bone.parent.matrixWorld).invert();_bone.matrix.multiply(_bone.matrixWorld);}else{_bone.matrix.copy(_bone.matrixWorld);}_bone.matrix.decompose(_bone.position,_bone.quaternion,_bone.scale);}}}},{key:"update",value:function update(){var bones=this.bones;var boneInverses=this.boneInverses;var boneMatrices=this.boneMatrices;var boneTexture=this.boneTexture;// flatten bone matrices to array
1167for(var i=0,il=bones.length;i<il;i++){// compute the offset between the current and the original transform
1168var matrix=bones[i]?bones[i].matrixWorld:_identityMatrix;_offsetMatrix.multiplyMatrices(matrix,boneInverses[i]);_offsetMatrix.toArray(boneMatrices,i*16);}if(boneTexture!==null){boneTexture.needsUpdate=true;}}},{key:"clone",value:function clone(){return new Skeleton(this.bones,this.boneInverses);}},{key:"computeBoneTexture",value:function computeBoneTexture(){// layout (1 matrix = 4 pixels)
1169//			RGBA RGBA RGBA RGBA (=> column1, column2, column3, column4)
1170//	with	8x8	pixel texture max	 16 bones * 4 pixels =	(8 * 8)
1171//			 16x16 pixel texture max	 64 bones * 4 pixels = (16 * 16)
1172//			 32x32 pixel texture max	256 bones * 4 pixels = (32 * 32)
1173//			 64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)
1174var size=Math.sqrt(this.bones.length*4);// 4 pixels needed for 1 matrix
1175size=ceilPowerOfTwo(size);size=Math.max(size,4);var boneMatrices=new Float32Array(size*size*4);// 4 floats per RGBA pixel

1176boneMatrices.set(this.boneMatrices);// copy current values
1177var boneTexture=new DataTexture(boneMatrices,size,size,RGBAFormat,FloatType);boneTexture.needsUpdate=true;this.boneMatrices=boneMatrices;this.boneTexture=boneTexture;this.boneTextureSize=size;return this;}},{key:"getBoneByName",value:function getBoneByName(name){for(var i=0,il=this.bones.length;i<il;i++){var bone=this.bones[i];if(bone.name===name){return bone;}}return undefined;}},{key:"dispose",value:function dispose(){if(this.boneTexture!==null){this.boneTexture.dispose();this.boneTexture=null;}}},{key:"fromJSON",value:function fromJSON(json,bones){this.uuid=json.uuid;for(var i=0,l=json.bones.length;i<l;i++){var uuid=json.bones[i];var bone=bones[uuid];if(bone===undefined){console.warn('THREE.Skeleton: No bone found with UUID:',uuid);bone=new Bone();}this.bones.push(bone);this.boneInverses.push(new Matrix4().fromArray(json.boneInverses[i]));}this.init();return this;}},{key:"toJSON",value:function toJSON(){var data={metadata:{version:4.5,type:'Skeleton',generator:'Skeleton.toJSON'},bones:[],boneInverses:[]};data.uuid=this.uuid;var bones=this.bones;var boneInverses=this.boneInverses;for(var i=0,l=bones.length;i<l;i++){var bone=bones[i];data.bones.push(bone.uuid);var boneInverse=boneInverses[i];data.boneInverses.push(boneInverse.toArray());}return data;}}]);return Skeleton;}();var InstancedBufferAttribute=/*#__PURE__*/function(_BufferAttribute11){_inherits(InstancedBufferAttribute,_BufferAttribute11);var _super46=_createSuper(InstancedBufferAttribute);function InstancedBufferAttribute(array,itemSize,normalized){var _this37;var meshPerAttribute=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;_classCallCheck(this,InstancedBufferAttribute);if(typeof normalized==='number'){meshPerAttribute=normalized;normalized=false;console.error('THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.');}_this37=_super46.call(this,array,itemSize,normalized);_this37.isInstancedBufferAttribute=true;_this37.meshPerAttribute=meshPerAttribute;return _this37;}_createClass(InstancedBufferAttribute,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(InstancedBufferAttribute.prototype),"copy",this).call(this,source);this.meshPerAttribute=source.meshPerAttribute;return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(InstancedBufferAttribute.prototype),"toJSON",this).call(this);data.meshPerAttribute=this.meshPerAttribute;data.isInstancedBufferAttribute=true;return data;}}]);return InstancedBufferAttribute;}(BufferAttribute);var _instanceLocalMatrix=/*@__PURE__*/new Matrix4();var _instanceWorldMatrix=/*@__PURE__*/new Matrix4();var _instanceIntersects=[];var _mesh=/*@__PURE__*/new Mesh();var InstancedMesh=/*#__PURE__*/function(_Mesh2){_inherits(InstancedMesh,_Mesh2);var _super47=_createSuper(InstancedMesh);function InstancedMesh(geometry,material,count){var _this38;_classCallCheck(this,InstancedMesh);_this38=_super47.call(this,geometry,material);_this38.isInstancedMesh=true;_this38.instanceMatrix=new InstancedBufferAttribute(new Float32Array(count*16),16);_this38.instanceColor=null;_this38.count=count;_this38.frustumCulled=false;return _this38;}_createClass(InstancedMesh,[{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(InstancedMesh.prototype),"copy",this).call(this,source,recursive);this.instanceMatrix.copy(source.instanceMatrix);if(source.instanceColor!==null)this.instanceColor=source.instanceColor.clone();this.count=source.count;return this;}},{key:"getColorAt",value:function getColorAt(index,color){color.fromArray(this.instanceColor.array,index*3);}},{key:"getMatrixAt",value:function getMatrixAt(index,matrix){matrix.fromArray(this.instanceMatrix.array,index*16);}},{key:"raycast",value:function raycast(raycaster,intersects){var matrixWorld=this.matrixWorld;var raycastTimes=this.count;_mesh.geometry=this.geometry;_mesh.material=this.material;if(_mesh.material===undefined)return;for(var instanceId=0;instanceId<raycastTimes;instanceId++){// calculate the world matrix for each instance
1178this.getMatrixAt(instanceId,_instanceLocalMatrix);_instanceWorldMatrix.multiplyMatrices(matrixWorld,_instanceLocalMatrix);// the mesh represents this single instance
1179_mesh.matrixWorld=_instanceWorldMatrix;_mesh.raycast(raycaster,_instanceIntersects);// process the result of raycast
1180for(var i=0,l=_instanceIntersects.length;i<l;i++){var intersect=_instanceIntersects[i];intersect.instanceId=instanceId;intersect.object=this;intersects.push(intersect);}_instanceIntersects.length=0;}}},{key:"setColorAt",value:function setColorAt(index,color){if(this.instanceColor===null){this.instanceColor=new InstancedBufferAttribute(new Float32Array(this.instanceMatrix.count*3),3);}color.toArray(this.instanceColor.array,index*3);}}

1180,{key:"setMatrixAt",value:function setMatrixAt(index,matrix){matrix.toArray(this.instanceMatrix.array,index*16);}},{key:"updateMorphTargets",value:function updateMorphTargets(){}},{key:"dispose",value:function dispose(){this.dispatchEvent({type:'dispose'});}}]);return InstancedMesh;}(Mesh);var LineBasicMaterial=/*#__PURE__*/function(_Material6){_inherits(LineBasicMaterial,_Material6);var _super48=_createSuper(LineBasicMaterial);function LineBasicMaterial(parameters){var _this39;_classCallCheck(this,LineBasicMaterial);_this39=_super48.call(this);_this39.isLineBasicMaterial=true;_this39.type='LineBasicMaterial';_this39.color=new Color(0xffffff);_this39.linewidth=1;_this39.linecap='round';_this39.linejoin='round';_this39.fog=true;_this39.setValues(parameters);return _this39;}_createClass(LineBasicMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(LineBasicMaterial.prototype),"copy",this).call(this,source);this.color.copy(source.color);this.linewidth=source.linewidth;this.linecap=source.linecap;this.linejoin=source.linejoin;this.fog=source.fog;return this;}}]);return LineBasicMaterial;}(Material);var _start$1=/*@__PURE__*/new Vector3();var _end$1=/*@__PURE__*/new Vector3();var _inverseMatrix$1=/*@__PURE__*/new Matrix4();var _ray$1=/*@__PURE__*/new Ray();var _sphere$1=/*@__PURE__*/new Sphere();var Line=/*#__PURE__*/function(_Object3D9){_inherits(Line,_Object3D9);var _super49=_createSuper(Line);function Line(){var _this40;var geometry=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new BufferGeometry();var material=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new LineBasicMaterial();_classCallCheck(this,Line);_this40=_super49.call(this);_this40.isLine=true;_this40.type='Line';_this40.geometry=geometry;_this40.material=material;_this40.updateMorphTargets();return _this40;}_createClass(Line,[{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(Line.prototype),"copy",this).call(this,source,recursive);this.material=source.material;this.geometry=source.geometry;return this;}},{key:"computeLineDistances",value:function computeLineDistances(){var geometry=this.geometry;// we assume non-indexed geometry
1181if(geometry.index===null){var positionAttribute=geometry.attributes.position;var lineDistances=[0];for(var i=1,l=positionAttribute.count;i<l;i++){_start$1.fromBufferAttribute(positionAttribute,i-1);_end$1.fromBufferAttribute(positionAttribute,i);lineDistances[i]=lineDistances[i-1];lineDistances[i]+=_start$1.distanceTo(_end$1);}geometry.setAttribute('lineDistance',new Float32BufferAttribute(lineDistances,1));}else{console.warn('THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.');}return this;}},{key:"raycast",value:function raycast(raycaster,intersects){var geometry=this.geometry;var matrixWorld=this.matrixWorld;var threshold=raycaster.params.Line.threshold;var drawRange=geometry.drawRange;// Checking boundingSphere distance to ray
1182if(geometry.boundingSphere===null)geometry.computeBoundingSphere();_sphere$1.copy(geometry.boundingSphere);_sphere$1.applyMatrix4(matrixWorld);_sphere$1.radius+=threshold;if(raycaster.ray.intersectsSphere(_sphere$1)===false)return;//
1183_inverseMatrix$1.copy(matrixWorld).invert();_ray$1.copy(raycaster.ray).applyMatrix4(_inverseMatrix$1);var localThreshold=threshold/((this.scale.x+this.scale.y+this.scale.z)/3);var localThresholdSq=localThreshold*localThreshold;var vStart=new Vector3();var vEnd=new Vector3();var interSegment=new Vector3();var interRay=new Vector3();var step=this.isLineSegments?2:1;var index=geometry.index;var attributes=geometry.attributes;var positionAttribute=attributes.position;if(index!==null){var start=Math.max(0,drawRange.start);var end=Math.min(index.count,drawRange.start+drawRange.count);for(var i=start,l=end-1;i<l;i+=step){var a=index.getX(i);var b=index.getX(i+1);vStart.fromBufferAttribute(positionAttribute,a);vEnd.fromBufferAttribute(positionAttribute,b);var distSq=_ray$1.distanceSqToSegment(vStart,vEnd,interRay,interSegment);if(distSq>localThresholdSq)continue;interRay.applyMatrix4(this.matrixWorld);//Move back to world space for distance calculation
1184var distance=raycaster.ray.origin.distanceTo(interRay);if(distance<raycaster.near||distance>raycaster.far)continue;intersects.push({distance:distance,// What do we want? intersection point on the ray or on the segment??
1185// point: raycaster.ray.at( distance ),
1186point:interSegment.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this});}}else{var _start6=Math.max(0,drawRange.start);var _end5=Math.min(positionAttribute.count,drawRange.start+drawRange.count);for(var _i53=_start6,_l7=_end5-1;_i53<_l7;_i53+=step){vStart.fromBufferAttribute(positionAttribute,_i53);vEnd.fromBufferAttribute(positionAttribute,_i53+1);var _distSq=_ray$1.distanceSqToSegment(vStart,vEnd,interRay,interSegment);if(_distSq>localThresholdSq)continue;interRay.applyMatrix4(this.matrixWorld);//Move back to world space for distance calculation
1187var _distance=raycaster.ray.origin.distanceTo(interRay);if(_distance<raycaster.near||_distance>raycaster.far)continue;intersects.push({distance:_distance,// What do we want? intersection point on the ray or on the segment??
1188// point: raycaster.ray.at( distance ),
1189point:interSegment.clone().applyMatrix4(this.matrixWorld),index:_i53,face:null,faceIndex:null,object:this});}}}},{key:"updateMorphTargets",value:function updateMorphTargets(){var geometry=this.geometry;var morphAttributes=geometry.morphAttributes;var keys=Object.keys(morphAttributes);if(keys.length>0){var morphAttribute=morphAttributes[keys[0]];if(morphAttribute!==undefined){this.morphTargetInfluences=[];this.morphTargetDictionary={};for(var m=0,ml=morphAttribute.length;m<ml;m++){var name=morphAttribute[m].name||String(m);this.morphTargetInfluences.push(0);this.morphTargetDictionary[name]=m;}}}}}]);return Line;}(Object3D);var _start=/*@__PURE__*/new Vector3();var _end=/*@__PURE__*/new Vector3();var LineSegments=/*#__PURE__*/function(_Line){_inherits(LineSegments,_Line);var _super50=_createSuper(LineSegments);function LineSegments(geometry,material){var _this41;_classCallCheck(this,LineSegments);_this41=_super50.call(this,geometry,material);_this41.isLineSegments=true;_this41.type='LineSegments';return _this41;}

1189_createClass(LineSegments,[{key:"computeLineDistances",value:function computeLineDistances(){var geometry=this.geometry;// we assume non-indexed geometry
1190if(geometry.index===null){var positionAttribute=geometry.attributes.position;var lineDistances=[];for(var i=0,l=positionAttribute.count;i<l;i+=2){_start.fromBufferAttribute(positionAttribute,i);_end.fromBufferAttribute(positionAttribute,i+1);lineDistances[i]=i===0?0:lineDistances[i-1];lineDistances[i+1]=lineDistances[i]+_start.distanceTo(_end);}geometry.setAttribute('lineDistance',new Float32BufferAttribute(lineDistances,1));}else{console.warn('THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.');}return this;}}]);return LineSegments;}(Line);var LineLoop=/*#__PURE__*/function(_Line2){_inherits(LineLoop,_Line2);var _super51=_createSuper(LineLoop);function LineLoop(geometry,material){var _this42;_classCallCheck(this,LineLoop);_this42=_super51.call(this,geometry,material);_this42.isLineLoop=true;_this42.type='LineLoop';return _this42;}return _createClass(LineLoop);}(Line);var PointsMaterial=/*#__PURE__*/function(_Material7){_inherits(PointsMaterial,_Material7);var _super52=_createSuper(PointsMaterial);function PointsMaterial(parameters){var _this43;_classCallCheck(this,PointsMaterial);_this43=_super52.call(this);_this43.isPointsMaterial=true;_this43.type='PointsMaterial';_this43.color=new Color(0xffffff);_this43.map=null;_this43.alphaMap=null;_this43.size=1;_this43.sizeAttenuation=true;_this43.fog=true;_this43.setValues(parameters);return _this43;}_createClass(PointsMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(PointsMaterial.prototype),"copy",this).call(this,source);this.color.copy(source.color);this.map=source.map;this.alphaMap=source.alphaMap;this.size=source.size;this.sizeAttenuation=source.sizeAttenuation;this.fog=source.fog;return this;}}]);return PointsMaterial;}(Material);var _inverseMatrix=/*@__PURE__*/new Matrix4();var _ray=/*@__PURE__*/new Ray();var _sphere=/*@__PURE__*/new Sphere();var _position$2=/*@__PURE__*/new Vector3();var Points=/*#__PURE__*/function(_Object3D10){_inherits(Points,_Object3D10);var _super53=_createSuper(Points);function Points(){var _this44;var geometry=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new BufferGeometry();var material=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new PointsMaterial();_classCallCheck(this,Points);_this44=_super53.call(this);_this44.isPoints=true;_this44.type='Points';_this44.geometry=geometry;_this44.material=material;_this44.updateMorphTargets();return _this44;}_createClass(Points,[{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(Points.prototype),"copy",this).call(this,source,recursive);this.material=source.material;this.geometry=source.geometry;return this;}},{key:"raycast",value:function raycast(raycaster,intersects){var geometry=this.geometry;var matrixWorld=this.matrixWorld;var threshold=raycaster.params.Points.threshold;var drawRange=geometry.drawRange;// Checking boundingSphere distance to ray
1191if(geometry.boundingSphere===null)geometry.computeBoundingSphere();_sphere.copy(geometry.boundingSphere);_sphere.applyMatrix4(matrixWorld);_sphere.radius+=threshold;if(raycaster.ray.intersectsSphere(_sphere)===false)return;//
1192_inverseMatrix.copy(matrixWorld).invert();

1192_ray.copy(raycaster.ray).applyMatrix4(_inverseMatrix);var localThreshold=threshold/((this.scale.x+this.scale.y+this.scale.z)/3);var localThresholdSq=localThreshold*localThreshold;var index=geometry.index;var attributes=geometry.attributes;var positionAttribute=attributes.position;if(index!==null){var start=Math.max(0,drawRange.start);var end=Math.min(index.count,drawRange.start+drawRange.count);for(var i=start,il=end;i<il;i++){var a=index.getX(i);_position$2.fromBufferAttribute(positionAttribute,a);testPoint(_position$2,a,localThresholdSq,matrixWorld,raycaster,intersects,this);}}else{var _start7=Math.max(0,drawRange.start);var _end6=Math.min(positionAttribute.count,drawRange.start+drawRange.count);for(var _i54=_start7,l=_end6;_i54<l;_i54++){_position$2.fromBufferAttribute(positionAttribute,_i54);testPoint(_position$2,_i54,localThresholdSq,matrixWorld,raycaster,intersects,this);}}}},{key:"updateMorphTargets",value:function updateMorphTargets(){var geometry=this.geometry;var morphAttributes=geometry.morphAttributes;var keys=Object.keys(morphAttributes);if(keys.length>0){var morphAttribute=morphAttributes[keys[0]];if(morphAttribute!==undefined){this.morphTargetInfluences=[];this.morphTargetDictionary={};for(var m=0,ml=morphAttribute.length;m<ml;m++){var name=morphAttribute[m].name||String(m);this.morphTargetInfluences.push(0);this.morphTargetDictionary[name]=m;}}}}}]);return Points;}(Object3D);function testPoint(point,index,localThresholdSq,matrixWorld,raycaster,intersects,object){var rayPointDistanceSq=_ray.distanceSqToPoint(point);if(rayPointDistanceSq<localThresholdSq){var intersectPoint=new Vector3();_ray.closestPointToPoint(point,intersectPoint);intersectPoint.applyMatrix4(matrixWorld);var distance=raycaster.ray.origin.distanceTo(intersectPoint);if(distance<raycaster.near||distance>raycaster.far)return;intersects.push({distance:distance,distanceToRay:Math.sqrt(rayPointDistanceSq),point:intersectPoint,index:index,face:null,object:object});}}var VideoTexture=/*#__PURE__*/function(_Texture6){_inherits(VideoTexture,_Texture6);var _super54=_createSuper(VideoTexture);function VideoTexture(video,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy){var _this45;_classCallCheck(this,VideoTexture);_this45=_super54.call(this,video,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy);_this45.isVideoTexture=true;_this45.minFilter=minFilter!==undefined?minFilter:LinearFilter;_this45.magFilter=magFilter!==undefined?magFilter:LinearFilter;_this45.generateMipmaps=false;var scope=_assertThisInitialized(_this45);function updateVideo(){scope.needsUpdate=true;video.requestVideoFrameCallback(updateVideo);}if('requestVideoFrameCallback'in video){video.requestVideoFrameCallback(updateVideo);}return _this45;}_createClass(VideoTexture,[{key:"clone",value:function clone(){return new this.constructor(this.image).copy(this);}},{key:"update",value:function update(){var video=this.image;var hasVideoFrameCallback=('requestVideoFrameCallback'in video);if(hasVideoFrameCallback===false&&video.readyState>=video.HAVE_CURRENT_DATA){this.needsUpdate=true;}}}]);return VideoTexture;}(Texture);var FramebufferTexture=/*#__PURE__*/function(_Texture7){_inherits(FramebufferTexture,_Texture7);var _super55=_createSuper(FramebufferTexture);function FramebufferTexture(width,height,format){var _this46;_classCallCheck(this,FramebufferTexture);_this46=_super55.call(this,{width:width,height:height});_this46.isFramebufferTexture=true;_this46.format=format;_this46.magFilter=NearestFilter;_this46.minFilter=NearestFilter;_this46.generateMipmaps=false;_this46.needsUpdate=true;return _this46;}return _createClass(FramebufferTexture);}(Texture);var CompressedTexture=/*#__PURE__*/function(_Texture8){_inherits(CompressedTexture,_Texture8);var _super56=_createSuper(CompressedTexture);function CompressedTexture(mipmaps,width,height,format,type,mapping,wrapS,wrapT,magFilter,minFilter,anisotropy,encoding){var _this47;_classCallCheck(this,CompressedTexture);_this47=_super56.call(this,null,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy,encoding);_this47.isCompressedTexture=true;_this47.image={width:width,height:height};_this47.mipmaps=mipmaps;// no flipping for cube textures
1193// (also flipping doesn't work for compressed textures )
1194_this47.flipY=false;// can't generate mipmaps for compressed textures
1195// mips must be embedded in DDS files
1196_this47.generateMipmaps=false;return _this47;}return _createClass(CompressedTexture);}(Texture);var CanvasTexture=/*#__PURE__*/function(_Texture9){_inherits(CanvasTexture,_Texture9);var _super57=_createSuper(CanvasTexture);function CanvasTexture(canvas,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy){var _this48;_classCallCheck(this,CanvasTexture);_this48=_super57.call(this,canvas,mapping,wrapS,wrapT,magFilter,minFilter,format,type,anisotropy);

1196_this48.isCanvasTexture=true;_this48.needsUpdate=true;return _this48;}return _createClass(CanvasTexture);}(Texture);/**
1197	 * Extensible curve object.
1198	 *
1199	 * Some common of curve methods:
1200	 * .getPoint( t, optionalTarget ), .getTangent( t, optionalTarget )
1201	 * .getPointAt( u, optionalTarget ), .getTangentAt( u, optionalTarget )
1202	 * .getPoints(), .getSpacedPoints()
1203	 * .getLength()
1204	 * .updateArcLengths()
1205	 *
1206	 * This following curves inherit from THREE.Curve:
1207	 *
1208	 * -- 2D curves --
1209	 * THREE.ArcCurve
1210	 * THREE.CubicBezierCurve
1211	 * THREE.EllipseCurve
1212	 * THREE.LineCurve
1213	 * THREE.QuadraticBezierCurve
1214	 * THREE.SplineCurve
1215	 *
1216	 * -- 3D curves --
1217	 * THREE.CatmullRomCurve3
1218	 * THREE.CubicBezierCurve3
1219	 * THREE.LineCurve3
1220	 * THREE.QuadraticBezierCurve3
1221	 *
1222	 * A series of curves can be represented as a THREE.CurvePath.
1223	 *
1224	 **/var Curve=/*#__PURE__*/function(){function Curve(){_classCallCheck(this,Curve);this.type='Curve';this.arcLengthDivisions=200;}// Virtual base class method to overwrite and implement in subclasses
1225//	- t [0 .. 1]
1226_createClass(Curve,[{key:"getPoint",value:function getPoint(){console.warn('THREE.Curve: .getPoint() not implemented.');return null;}// Get point at relative position in curve according to arc length
1227// - u [0 .. 1]
1228},{key:"getPointAt",value:function getPointAt(u,optionalTarget){var t=this.getUtoTmapping(u);return this.getPoint(t,optionalTarget);}// Get sequence of points using getPoint( t )
1229},{key:"getPoints",value:function getPoints(){var divisions=arguments.length>0&&arguments[0]!==undefined?arguments[0]:5;var points=[];for(var d=0;d<=divisions;d++){points.push(this.getPoint(d/divisions));}return points;}// Get sequence of points using getPointAt( u )
1230},{key:"getSpacedPoints",value:function getSpacedPoints(){var divisions=arguments.length>0&&arguments[0]!==undefined?arguments[0]:5;var points=[];for(var d=0;d<=divisions;d++){points.push(this.getPointAt(d/divisions));}return points;}// Get total curve arc length
1231},{key:"getLength",value:function getLength(){var lengths=this.getLengths();return lengths[lengths.length-1];}// Get list of cumulative segment lengths
1232},{key:"getLengths",value:function getLengths(){var divisions=arguments.length>0&&arguments[0]!==undefined?arguments[0]:this.arcLengthDivisions;if(this.cacheArcLengths&&this.cacheArcLengths.length===divisions+1&&!this.needsUpdate){return this.cacheArcLengths;}this.needsUpdate=false;var cache=[];var current,last=this.getPoint(0);var sum=0;cache.push(0);for(var p=1;p<=divisions;p++){current=this.getPoint(p/divisions);sum+=current.distanceTo(last);cache.push(sum);last=current;}this.cacheArcLengths=cache;return cache;// { sums: cache, sum: sum }; Sum is in the last element.
1233}},{key:"updateArcLengths",value:function updateArcLengths(){this.needsUpdate=true;this.getLengths();}// Given u ( 0 .. 1 ), get a t to find p. This gives you points which are equidistant
1234},{key:"getUtoTmapping",value:function getUtoTmapping(u,distance){var arcLengths=this.getLengths();var i=0;var il=arcLengths.length;var targetArcLength;// The targeted u distance value to get
1235if(distance){targetArcLength=distance;}else{targetArcLength=u*arcLengths[il-1];}// binary search for the index with largest value smaller than target u distance
1236var low=0,high=il-1,comparison;while(low<=high){i=Math.floor(low+(high-low)/2);// less likely to overflow, though probably not issue here, JS doesn't really have integers, all numbers are floats
1237comparison=arcLengths[i]-targetArcLength;if(comparison<0){low=i+1;}else if(comparison>0){high=i-1;}else{high=i;break;// DONE
1238}}i=high;if(arcLengths[i]===targetArcLength){return i/(il-1);}// we could get finer grain at lengths, or use simple interpolation between two points
1239var lengthBefore=arcLengths[i];var lengthAfter=arcLengths[i+1];var segmentLength=lengthAfter-lengthBefore;// determine where we are between the 'before' and 'after' points
1240var segmentFraction=(targetArcLength-lengthBefore)/segmentLength;// add that fractional amount to t
1241var t=(i+segmentFraction)/(il-1);return t;}// Returns a unit vector tangent at t
1242// In case any sub curve does not implement its tangent derivation,
1243// 2 points a small delta apart will be used to find its gradient
1244// which seems to give a reasonable approximation
1245},{key:"getTangent",value:function getTangent(t,optionalTarget){var delta=0.0001;var t1=t-delta;var t2=t+delta;// Capping in case of danger
1246if(t1<0)t1=0;if(t2>1)t2=1;var pt1=this.getPoint(t1);var pt2=this.getPoint(t2);var tangent=optionalTarget||(pt1.isVector2?new Vector2():new Vector3());tangent.copy(pt2).sub(pt1).normalize();return tangent;}},{key:"getTangentAt",value:function getTangentAt(u,optionalTarget){var t=this.getUtoTmapping(u);return this.getTangent(t,optionalTarget);}},{key:"computeFrenetFrames",value:function computeFrenetFrames(segments,closed){// see http://www.cs.indiana.edu/

1246pub/techreports/TR425.pdf
1247var normal=new Vector3();var tangents=[];var normals=[];var binormals=[];var vec=new Vector3();var mat=new Matrix4();// compute the tangent vectors for each segment on the curve
1248for(var i=0;i<=segments;i++){var u=i/segments;tangents[i]=this.getTangentAt(u,new Vector3());}// select an initial normal vector perpendicular to the first tangent vector,
1249// and in the direction of the minimum tangent xyz component
1250normals[0]=new Vector3();binormals[0]=new Vector3();var min=Number.MAX_VALUE;var tx=Math.abs(tangents[0].x);var ty=Math.abs(tangents[0].y);var tz=Math.abs(tangents[0].z);if(tx<=min){min=tx;normal.set(1,0,0);}if(ty<=min){min=ty;normal.set(0,1,0);}if(tz<=min){normal.set(0,0,1);}vec.crossVectors(tangents[0],normal).normalize();normals[0].crossVectors(tangents[0],vec);binormals[0].crossVectors(tangents[0],normals[0]);// compute the slowly-varying normal and binormal vectors for each segment on the curve
1251for(var _i55=1;_i55<=segments;_i55++){normals[_i55]=normals[_i55-1].clone();binormals[_i55]=binormals[_i55-1].clone();vec.crossVectors(tangents[_i55-1],tangents[_i55]);if(vec.length()>Number.EPSILON){vec.normalize();var theta=Math.acos(clamp(tangents[_i55-1].dot(tangents[_i55]),-1,1));// clamp for floating pt errors
1252normals[_i55].applyMatrix4(mat.makeRotationAxis(vec,theta));}binormals[_i55].crossVectors(tangents[_i55],normals[_i55]);}// if the curve is closed, postprocess the vectors so the first and last normal vectors are the same
1253if(closed===true){var _theta=Math.acos(clamp(normals[0].dot(normals[segments]),-1,1));_theta/=segments;if(tangents[0].dot(vec.crossVectors(normals[0],normals[segments]))>0){_theta=-_theta;}for(var _i56=1;_i56<=segments;_i56++){// twist a little...
1254normals[_i56].applyMatrix4(mat.makeRotationAxis(tangents[_i56],_theta*_i56));binormals[_i56].crossVectors(tangents[_i56],normals[_i56]);}}return{tangents:tangents,normals:normals,binormals:binormals};}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"copy",value:function copy(source){this.arcLengthDivisions=source.arcLengthDivisions;return this;}},{key:"toJSON",value:function toJSON(){var data={metadata:{version:4.5,type:'Curve',generator:'Curve.toJSON'}};data.arcLengthDivisions=this.arcLengthDivisions;

1254data.type=this.type;return data;}},{key:"fromJSON",value:function fromJSON(json){this.arcLengthDivisions=json.arcLengthDivisions;return this;}}]);return Curve;}();var EllipseCurve=/*#__PURE__*/function(_Curve){_inherits(EllipseCurve,_Curve);var _super58=_createSuper(EllipseCurve);function EllipseCurve(){var _this49;var aX=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0;var aY=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var xRadius=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;var yRadius=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;var aStartAngle=arguments.length>4&&arguments[4]!==undefined?arguments[4]:0;var aEndAngle=arguments.length>5&&arguments[5]!==undefined?arguments[5]:Math.PI*2;var aClockwise=arguments.length>6&&arguments[6]!==undefined?arguments[6]:false;var aRotation=arguments.length>7&&arguments[7]!==undefined?arguments[7]:0;_classCallCheck(this,EllipseCurve);_this49=_super58.call(this);_this49.isEllipseCurve=true;_this49.type='EllipseCurve';_this49.aX=aX;_this49.aY=aY;_this49.xRadius=xRadius;_this49.yRadius=yRadius;_this49.aStartAngle=aStartAngle;_this49.aEndAngle=aEndAngle;_this49.aClockwise=aClockwise;_this49.aRotation=aRotation;return _this49;}_createClass(EllipseCurve,[{key:"getPoint",value:function getPoint(t,optionalTarget){var point=optionalTarget||new Vector2();var twoPi=Math.PI*2;var deltaAngle=this.aEndAngle-this.aStartAngle;var samePoints=Math.abs(deltaAngle)<Number.EPSILON;// ensures that deltaAngle is 0 .. 2 PI
1255while(deltaAngle<0)deltaAngle+=twoPi;while(deltaAngle>twoPi)deltaAngle-=twoPi;if(deltaAngle<Number.EPSILON){if(samePoints){deltaAngle=0;}else{deltaAngle=twoPi;}}if(this.aClockwise===true&&!samePoints){if(deltaAngle===twoPi){deltaAngle=-twoPi;}else{deltaAngle=deltaAngle-twoPi;}}var angle=this.aStartAngle+t*deltaAngle;var x=this.aX+this.xRadius*Math.cos(angle);var y=this.aY+this.yRadius*Math.sin(angle);if(this.aRotation!==0){var cos=Math.cos(this.aRotation);var sin=Math.sin(this.aRotation);var tx=x-this.aX;var ty=y-this.aY;// Rotate the point about the center of the ellipse.
1256x=tx*cos-ty*sin+this.aX;y=tx*sin+ty*cos+this.aY;}return point.set(x,y);}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(EllipseCurve.prototype),"copy",this).call(this,source);this.aX=source.aX;this.aY=source.aY;this.xRadius=source.xRadius;this.yRadius=source.yRadius;this.aStartAngle=source.aStartAngle;this.aEndAngle=source.aEndAngle;this.aClockwise=source.aClockwise;this.aRotation=source.aRotation;return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(EllipseCurve.prototype),"toJSON",this).call(this);data.aX=this.aX;data.aY=this.aY;data.xRadius=this.xRadius;data.yRadius=this.yRadius;data.aStartAngle=this.aStartAngle;data.aEndAngle=this.aEndAngle;data.aClockwise=this.aClockwise;data.aRotation=this.aRotation;return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(EllipseCurve.prototype),"fromJSON",this).call(this,json);this.aX=json.aX;this.aY=json.aY;this.xRadius=json.xRadius;this.yRadius=json.yRadius;this.aStartAngle=json.aStartAngle;this.aEndAngle=json.aEndAngle;this.aClockwise=json.aClockwise;this.aRotation=json.aRotation;return this;}}]);return EllipseCurve;}(Curve);var ArcCurve=/*#__PURE__*/function(_EllipseCurve){_inherits(ArcCurve,_EllipseCurve);var _super59=_createSuper(ArcCurve);function ArcCurve(aX,aY,aRadius,aStartAngle,aEndAngle,aClockwise){var _this50;_classCallCheck(this,ArcCurve);_this50=_super59.call(this,aX,aY,aRadius,aRadius,aStartAngle,aEndAngle,aClockwise);_this50.isArcCurve=true;_this50.type='ArcCurve';return _this50;}return _createClass(ArcCurve);}(EllipseCurve);/**
1257	 * Centripetal CatmullRom Curve - which is useful for avoiding
1258	 * cusps and self-intersections in non-uniform catmull rom curves.
1259	 * http://www.cemyuksel.com/research/catmullrom_param/catmullrom.pdf
1260	 *
1261	 * curve.type accepts centripetal(default), chordal and catmullrom
1262	 * curve.tension is used for catmullrom which defaults to 0.5
1263	 */ /*
1264	Based on an optimized c++ solution in
1265	 - http://stackoverflow.com/questions/9489736/catmull-rom-curve-with-no-cusps-and-no-self-intersections/
1266	 - http://ideone.com/NoEbVM
1267
1268	This CubicPoly class could be used for reusing some variables and calculations,
1269	but for three.js curve use, it could be possible inlined and flatten into a single function call
1270	which can be placed in CurveUtils.
1271	*/function CubicPoly(){var c0=0,c1=0,c2=0,c3=0;/*
1272		 * Compute coefficients for a cubic polynomial
1273		 *	 p(s) = c0 + c1*s + c2*s^2 + c3*s^3
1274		 * such that
1275		 *	 p(0) = x0, p(1) = x1
1276		 *	and
1277		 *	 p'(0) = t0, p'(1) = t1.
1278		 */function init(x0,x1,t0,t1){c0=x0;c1=t0;c2=-3*x0+3*x1-2*t0-t1;c3=2*x0-2*x1+t0+t1;}return{initCatmullRom:function initCatmullRom(x0,x1,x2,x3,tension){init(x1,x2,tension*(x2-x0),tension*(x3-x1));},initNonuniformCatmullRom:function initNonuniformCatmullRom(x0,x1,x2,x3,dt0,dt1,dt2){// compute tangents when parameterized in [t1,t2]
1279var t1=(x1-x0)/dt0-(x2-x0)/(dt0+dt1)+(x2-x1)/dt1;var t2=(x2-x1)/dt1-(x3-x1)/(dt1+dt2)+(x3-x2)/dt2;// rescale tangents for parametrization in [0,1]
1280t1*=dt1;t2*=dt1;init(x1,x2,t1,t2);},calc:function calc(t){var t2=t*t;var t3=t2*t;return c0+c1*t+c2*t2+c3*t3;}};}//
1281var tmp=/*@__PURE__*/new Vector3();var px=/*@__PURE__*/new CubicPoly();var py=/*@__PURE__*/new CubicPoly();var pz=/*@__PURE__*/new CubicPoly();

1281var CatmullRomCurve3=/*#__PURE__*/function(_Curve2){_inherits(CatmullRomCurve3,_Curve2);var _super60=_createSuper(CatmullRomCurve3);function CatmullRomCurve3(){var _this51;var points=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var closed=arguments.length>1&&arguments[1]!==undefined?arguments[1]:false;var curveType=arguments.length>2&&arguments[2]!==undefined?arguments[2]:'centripetal';var tension=arguments.length>3&&arguments[3]!==undefined?arguments[3]:0.5;_classCallCheck(this,CatmullRomCurve3);_this51=_super60.call(this);_this51.isCatmullRomCurve3=true;_this51.type='CatmullRomCurve3';_this51.points=points;_this51.closed=closed;_this51.curveType=curveType;_this51.tension=tension;return _this51;}_createClass(CatmullRomCurve3,[{key:"getPoint",value:function getPoint(t){var optionalTarget=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3();var point=optionalTarget;var points=this.points;var l=points.length;var p=(l-(this.closed?0:1))*t;var intPoint=Math.floor(p);var weight=p-intPoint;if(this.closed){intPoint+=intPoint>0?0:(Math.floor(Math.abs(intPoint)/l)+1)*l;}else if(weight===0&&intPoint===l-1){intPoint=l-2;weight=1;}var p0,p3;// 4 points (p1 & p2 defined below)
1282if(this.closed||intPoint>0){p0=points[(intPoint-1)%l];}else{// extrapolate first point
1283tmp.subVectors(points[0],points[1]).add(points[0]);p0=tmp;}var p1=points[intPoint%l];var p2=points[(intPoint+1)%l];if(this.closed||intPoint+2<l){p3=points[(intPoint+2)%l];}else{// extrapolate last point
1284tmp.subVectors(points[l-1],points[l-2]).add(points[l-1]);p3=tmp;}if(this.curveType==='centripetal'||this.curveType==='chordal'){// init Centripetal / Chordal Catmull-Rom
1285var pow=this.curveType==='chordal'?0.5:0.25;var dt0=Math.pow(p0.distanceToSquared(p1),pow);var dt1=Math.pow(p1.distanceToSquared(p2),pow);var dt2=Math.pow(p2.distanceToSquared(p3),pow);// safety check for repeated points
1286if(dt1<1e-4)dt1=1.0;if(dt0<1e-4)dt0=dt1;if(dt2<1e-4)dt2=dt1;px.initNonuniformCatmullRom(p0.x,p1.x,p2.x,p3.x,dt0,dt1,dt2);py.initNonuniformCatmullRom(p0.y,p1.y,p2.y,p3.y,dt0,dt1,dt2);pz.initNonuniformCatmullRom(p0.z,p1.z,p2.z,p3.z,dt0,dt1,dt2);}else if(this.curveType==='catmullrom'){px.initCatmullRom(p0.x,p1.x,p2.x,p3.x,this.tension);py.initCatmullRom(p0.y,p1.y,p2.y,p3.y,this.tension);pz.initCatmullRom(p0.z,p1.z,p2.z,p3.z,this.tension);}point.set(px.calc(weight),py.calc(weight),pz.calc(weight));return point;}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(CatmullRomCurve3.prototype),"copy",this).call(this,source);this.points=[];for(var i=0,l=source.points.length;i<l;i++){var point=source.points[i];this.points.push(point.clone());}this.closed=source.closed;this.curveType=source.curveType;this.tension=source.tension;return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(CatmullRomCurve3.prototype),"toJSON",this).call(this);data.points=[];for(var i=0,l=this.points.length;i<l;i++){var point=this.points[i];data.points.push(point.toArray());}data.closed=this.closed;data.curveType=this.curveType;data.tension=this.tension;return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(CatmullRomCurve3.prototype),"fromJSON",this).call(this,json);this.points=[];for(var i=0,l=json.points.length;i<l;i++){var point=json.points[i];this.points.push(new Vector3().fromArray(point));}this.closed=json.closed;this.curveType=json.curveType;this.tension=json.tension;return this;}}]);return CatmullRomCurve3;}(Curve);/**
1287	 * Bezier Curves formulas obtained from
1288	 * https://en.wikipedia.org/wiki/B%C3%A9zier_curve
1289	 */function CatmullRom(t,p0,p1,p2,p3){var v0=(p2-p0)*0.5;var v1=(p3-p1)*0.5;var t2=t*t;var t3=t*t2;return(2*p1-2*p2+v0+v1)*t3+(-3*p1+3*p2-2*v0-v1)*t2+v0*t+p1;}//
1290function QuadraticBezierP0(t,p){var k=1-t;return k*k*p;}function QuadraticBezierP1(t,p){return 2*(1-t)*t*p;}function QuadraticBezierP2(t,p){return t*t*p;}function QuadraticBezier(t,p0,p1,p2){return QuadraticBezierP0(t,p0)+QuadraticBezierP1(t,p1)+QuadraticBezierP2(t,p2);}//
1291function CubicBezierP0(t,p){var k=1-t;return k*k*k*p;}function CubicBezierP1(t,p){var k=1-t;return 3*k*k*t*p;}function CubicBezierP2(t,p){return 3*(1-t)*t*t*p;}function CubicBezierP3(t,p){return t*t*t*p;}function CubicBezier(t,p0,p1,p2,p3){return CubicBezierP0(t,p0)+CubicBezierP1(t,p1)+CubicBezierP2(t,p2)+CubicBezierP3(t,p3);}var CubicBezierCurve=/*#__PURE__*/function(_Curve3){_inherits(CubicBezierCurve,_Curve3);var _super61=_createSuper(CubicBezierCurve);

1291function CubicBezierCurve(){var _this52;var v0=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector2();var v1=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector2();var v2=arguments.length>2&&arguments[2]!==undefined?arguments[2]:new Vector2();var v3=arguments.length>3&&arguments[3]!==undefined?arguments[3]:new Vector2();_classCallCheck(this,CubicBezierCurve);_this52=_super61.call(this);_this52.isCubicBezierCurve=true;_this52.type='CubicBezierCurve';_this52.v0=v0;_this52.v1=v1;_this52.v2=v2;_this52.v3=v3;return _this52;}_createClass(CubicBezierCurve,[{key:"getPoint",value:function getPoint(t){var optionalTarget=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector2();var point=optionalTarget;var v0=this.v0,v1=this.v1,v2=this.v2,v3=this.v3;point.set(CubicBezier(t,v0.x,v1.x,v2.x,v3.x),CubicBezier(t,v0.y,v1.y,v2.y,v3.y));return point;}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(CubicBezierCurve.prototype),"copy",this).call(this,source);this.v0.copy(source.v0);this.v1.copy(source.v1);this.v2.copy(source.v2);this.v3.copy(source.v3);return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(CubicBezierCurve.prototype),"toJSON",this).call(this);data.v0=this.v0.toArray();data.v1=this.v1.toArray();data.v2=this.v2.toArray();data.v3=this.v3.toArray();return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(CubicBezierCurve.prototype),"fromJSON",this).call(this,json);this.v0.fromArray(json.v0);this.v1.fromArray(json.v1);this.v2.fromArray(json.v2);this.v3.fromArray(json.v3);return this;}}]);return CubicBezierCurve;}(Curve);var CubicBezierCurve3=/*#__PURE__*/function(_Curve4){_inherits(CubicBezierCurve3,_Curve4);var _super62=_createSuper(CubicBezierCurve3);function CubicBezierCurve3(){var _this53;var v0=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector3();var v1=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3();var v2=arguments.length>2&&arguments[2]!==undefined?arguments[2]:new Vector3();var v3=arguments.length>3&&arguments[3]!==undefined?arguments[3]:new Vector3();_classCallCheck(this,CubicBezierCurve3);_this53=_super62.call(this);_this53.isCubicBezierCurve3=true;_this53.type='CubicBezierCurve3';_this53.v0=v0;_this53.v1=v1;_this53.v2=v2;_this53.v3=v3;return _this53;}_createClass(CubicBezierCurve3,[{key:"getPoint",value:function getPoint(t){var optionalTarget=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3();var point=optionalTarget;var v0=this.v0,v1=this.v1,v2=this.v2,v3=this.v3;point.set(CubicBezier(t,v0.x,v1.x,v2.x,v3.x),CubicBezier(t,v0.y,v1.y,v2.y,v3.y),CubicBezier(t,v0.z,v1.z,v2.z,v3.z));return point;}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(CubicBezierCurve3.prototype),"copy",this).call(this,source);this.v0.copy(source.v0);this.v1.copy(source.v1);this.v2.copy(source.v2);this.v3.copy(source.v3);return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(CubicBezierCurve3.prototype),"toJSON",this).call(this);data.v0=this.v0.toArray();data.v1=this.v1.toArray();data.v2=this.v2.toArray();data.v3=this.v3.toArray();return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(CubicBezierCurve3.prototype),"fromJSON",this).call(this,json);this.v0.fromArray(json.v0);this.v1.fromArray(json.v1);this.v2.fromArray(json.v2);this.v3.fromArray(json.v3);return this;}}]);return CubicBezierCurve3;}(Curve);var LineCurve=/*#__PURE__*/function(_Curve5){_inherits(LineCurve,_Curve5);var _super63=_createSuper(LineCurve);function LineCurve(){var _this54;var v1=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector2();var v2=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector2();_classCallCheck(this,LineCurve);_this54=_super63.call(this);_this54.isLineCurve=true;_this54.type='LineCurve';_this54.v1=v1;_this54.v2=v2;return _this54;}_createClass(LineCurve,[{key:"getPoint",value:function getPoint(t){var optionalTarget=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector2();var point=optionalTarget;if(t===1){point.copy(this.v2);}else{point.copy(this.v2).sub(this.v1);point.multiplyScalar(t).add(this.v1);}return point;}// Line curve is linear, so we can overwrite default getPointAt
1292},{key:"getPointAt",value:function getPointAt(u,optionalTarget){return this.getPoint(u,optionalTarget);}},{key:"getTangent",value:function getTangent(t,optionalTarget){var tangent=optionalTarget||new Vector2();tangent.copy(this.v2).sub(this.v1).normalize();return tangent;}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(LineCurve.prototype),"copy",this).call(this,source);this.v1.copy(source.v1);this.v2.copy(source.v2);return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(LineCurve.prototype),"toJSON",this).call(this);data.v1=this.v1.toArray();data.v2=this.v2.toArray();return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(LineCurve.prototype),"fromJSON",this).call(this,json);this.v1.fromArray(json.v1);this.v2.fromArray(json.v2);return this;}}]);return LineCurve;}(Curve);var LineCurve3=/*#__PURE__*/function(_Curve6){_inherits(LineCurve3,_Curve6);var _super64=_createSuper(LineCurve3);function LineCurve3(){var _this55;var v1=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector3();var v2=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3();_classCallCheck(this,LineCurve3);_this55=_super64.call(this);_this55.isLineCurve3=true;_this55.type='LineCurve3';_this55.v1=v1;_this55.v2=v2;return _this55;}_createClass(LineCurve3,[{key:"getPoint",value:function getPoint(t){var optionalTarget=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3();var point=optionalTarget;if(t===1){point.copy(this.v2);}else{point.copy(this.v2).sub(this.v1);point.multiplyScalar(t).add(this.v1);}return point;}// Line curve is linear, so we can overwrite default getPointAt
1293},{key:"getPointAt",value:function getPointAt(u,optionalTarget){return this.getPoint(u,optionalTarget);}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(LineCurve3.prototype),"copy",this).call(this,source);this.v1.copy(source.v1);this.v2.copy(source.v2);return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(LineCurve3.prototype),"toJSON",this).call(this);data.v1=this.v1.toArray();data.v2=this.v2.toArray();return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(LineCurve3.prototype),"fromJSON",this).call(this,json);this.v1.fromArray(json.v1);this.v2.fromArray(json.v2);return this;}}]);return LineCurve3;}(Curve);var QuadraticBezierCurve=/*#__PURE__*/function(_Curve7){_inherits(QuadraticBezierCurve,_Curve7);var _super65=_createSuper(QuadraticBezierCurve);

1293function QuadraticBezierCurve(){var _this56;var v0=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector2();var v1=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector2();var v2=arguments.length>2&&arguments[2]!==undefined?arguments[2]:new Vector2();_classCallCheck(this,QuadraticBezierCurve);_this56=_super65.call(this);_this56.isQuadraticBezierCurve=true;_this56.type='QuadraticBezierCurve';_this56.v0=v0;_this56.v1=v1;_this56.v2=v2;return _this56;}_createClass(QuadraticBezierCurve,[{key:"getPoint",value:function getPoint(t){var optionalTarget=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector2();var point=optionalTarget;var v0=this.v0,v1=this.v1,v2=this.v2;point.set(QuadraticBezier(t,v0.x,v1.x,v2.x),QuadraticBezier(t,v0.y,v1.y,v2.y));return point;}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(QuadraticBezierCurve.prototype),"copy",this).call(this,source);this.v0.copy(source.v0);this.v1.copy(source.v1);this.v2.copy(source.v2);return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(QuadraticBezierCurve.prototype),"toJSON",this).call(this);data.v0=this.v0.toArray();data.v1=this.v1.toArray();data.v2=this.v2.toArray();return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(QuadraticBezierCurve.prototype),"fromJSON",this).call(this,json);this.v0.fromArray(json.v0);this.v1.fromArray(json.v1);this.v2.fromArray(json.v2);return this;}}]);return QuadraticBezierCurve;}(Curve);var QuadraticBezierCurve3=/*#__PURE__*/function(_Curve8){_inherits(QuadraticBezierCurve3,_Curve8);var _super66=_createSuper(QuadraticBezierCurve3);function QuadraticBezierCurve3(){var _this57;var v0=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector3();var v1=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3();var v2=arguments.length>2&&arguments[2]!==undefined?arguments[2]:new Vector3();_classCallCheck(this,QuadraticBezierCurve3);_this57=_super66.call(this);_this57.isQuadraticBezierCurve3=true;_this57.type='QuadraticBezierCurve3';_this57.v0=v0;_this57.v1=v1;_this57.v2=v2;return _this57;}_createClass(QuadraticBezierCurve3,[{key:"getPoint",value:function getPoint(t){var optionalTarget=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3();var point=optionalTarget;var v0=this.v0,v1=this.v1,v2=this.v2;point.set(QuadraticBezier(t,v0.x,v1.x,v2.x),QuadraticBezier(t,v0.y,v1.y,v2.y),QuadraticBezier(t,v0.z,v1.z,v2.z));return point;}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(QuadraticBezierCurve3.prototype),"copy",this).call(this,source);this.v0.copy(source.v0);this.v1.copy(source.v1);this.v2.copy(source.v2);return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(QuadraticBezierCurve3.prototype),"toJSON",this).call(this);data.v0=this.v0.toArray();data.v1=this.v1.toArray();data.v2=this.v2.toArray();return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(QuadraticBezierCurve3.prototype),"fromJSON",this).call(this,json);this.v0.fromArray(json.v0);this.v1.fromArray(json.v1);this.v2.fromArray(json.v2);return this;}}]);return QuadraticBezierCurve3;}(Curve);var SplineCurve=/*#__PURE__*/function(_Curve9){_inherits(SplineCurve,_Curve9);var _super67=_createSuper(SplineCurve);function SplineCurve(){var _this58;var points=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];_classCallCheck(this,SplineCurve);_this58=_super67.call(this);_this58.isSplineCurve=true;_this58.type='SplineCurve';_this58.points=points;return _this58;}_createClass(SplineCurve,[{key:"getPoint",value:function getPoint(t){var optionalTarget=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector2();var point=optionalTarget;var points=this.points;var p=(points.length-1)*t;var intPoint=Math.floor(p);var weight=p-intPoint;var p0=points[intPoint===0?intPoint:intPoint-1];var p1=points[intPoint];var p2=points[intPoint>points.length-2?points.length-1:intPoint+1];var p3=points[intPoint>points.length-3?points.length-1:intPoint+2];point.set(CatmullRom(weight,p0.x,p1.x,p2.x,p3.x),CatmullRom(weight,p0.y,p1.y,p2.y,p3.y));return point;}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(SplineCurve.prototype),"copy",this).call(this,source);this.points=[];for(var i=0,l=source.points.length;i<l;i++){var point=source.points[i];this.points.push(point.clone());}return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(SplineCurve.prototype),"toJSON",this).call(this);data.points=[];for(var i=0,l=this.points.length;i<l;i++){var point=this.points[i];data.points.push(point.toArray());}return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(SplineCurve.prototype),"fromJSON",this).call(this,json);this.points=[];for(var i=0,l=json.points.length;i<l;i++){var point=json.points[i];this.points.push(new Vector2().fromArray(point));}return this;}}]);return SplineCurve;}(Curve);var Curves=/*#__PURE__*/Object.freeze({__proto__:null,ArcCurve:ArcCurve,CatmullRomCurve3:CatmullRomCurve3,CubicBezierCurve:CubicBezierCurve,CubicBezierCurve3:CubicBezierCurve3,EllipseCurve:EllipseCurve,LineCurve:LineCurve,LineCurve3:LineCurve3,QuadraticBezierCurve:QuadraticBezierCurve,QuadraticBezierCurve3:QuadraticBezierCurve3,SplineCurve:SplineCurve});/**************************************************************
1294	 *	Curved Path - a curve path is simply a array of connected
1295	 *	curves, but retains the api of a curve
1296	 **************************************************************/var CurvePath=/*#__PURE__*/function(_Curve10){_inherits(CurvePath,_Curve10);var _super68=_createSuper(CurvePath);function CurvePath(){var _this59;_classCallCheck(this,CurvePath);_this59=_super68.call(this);_this59.type='CurvePath';_this59.curves=[];_this59.autoClose=false;// Automatically closes the path
1297return _this59;}_createClass(CurvePath,[{key:"add",value:function add(curve){this.curves.push(curve);}},{key:"closePath",value:function closePath(){// Add a line curve if start and end of lines are not connected
1298var startPoint=this.curves[0].getPoint(0);var endPoint=this.curves[this.curves.length-1].getPoint(1);if(!startPoint.equals(endPoint)){this.curves.push(new LineCurve(endPoint,startPoint));}}// To get accurate point with reference to
1299// entire path distance at time t,
1300// following has to be done:
1301// 1. Length of each sub path have to be known
1302// 2. Locate and identify type of curve
1303// 3. Get t for the curve
1304// 4. Return curve.getPointAt(t')
1305},{key:"getPoint",value:function getPoint(t,optionalTarget){var d=t*this.getLength();var curveLengths=this.getCurveLengths();var i=0;// To think about boundaries points.
1306while(i<curveLengths.length){if(curveLengths[i]>=d){var diff=curveLengths[i]-d;var curve=this.curves[i];var segmentLength=curve.getLength();var u=segmentLength===0?0:1-diff/segmentLength;return curve.getPointAt(u,optionalTarget);}i++;}return null;// loop where sum != 0, sum > d , sum+1 <d
1307}// We cannot use the default THREE.Curve getPoint() with getLength() because in
1308// THREE.Curve, getLength() depends on getPoint() but in THREE.CurvePath

1309// getPoint() depends on getLength
1310},{key:"getLength",value:function getLength(){var lens=this.getCurveLengths();return lens[lens.length-1];}// cacheLengths must be recalculated.
1311},{key:"updateArcLengths",value:function updateArcLengths(){this.needsUpdate=true;this.cacheLengths=null;this.getCurveLengths();}// Compute lengths and cache them
1312// We cannot overwrite getLengths() because UtoT mapping uses it.
1313},{key:"getCurveLengths",value:function getCurveLengths(){// We use cache values if curves and cache array are same length
1314if(this.cacheLengths&&this.cacheLengths.length===this.curves.length){return this.cacheLengths;}// Get length of sub-curve
1315// Push sums into cached array
1316var lengths=[];var sums=0;for(var i=0,l=this.curves.length;i<l;i++){sums+=this.curves[i].getLength();lengths.push(sums);}this.cacheLengths=lengths;return lengths;}},{key:"getSpacedPoints",value:function getSpacedPoints(){var divisions=arguments.length>0&&arguments[0]!==undefined?arguments[0]:40;var points=[];for(var i=0;i<=divisions;i++){points.push(this.getPoint(i/divisions));}if(this.autoClose){points.push(points[0]);}return points;}},{key:"getPoints",value:function getPoints(){var divisions=arguments.length>0&&arguments[0]!==undefined?arguments[0]:12;var points=[];var last;for(var i=0,curves=this.curves;i<curves.length;i++){var curve=curves[i];var resolution=curve.isEllipseCurve?divisions*2:curve.isLineCurve||curve.isLineCurve3?1:curve.isSplineCurve?divisions*curve.points.length:divisions;var pts=curve.getPoints(resolution);for(var j=0;j<pts.length;j++){var point=pts[j];if(last&&last.equals(point))continue;// ensures no consecutive points are duplicates
1317points.push(point);last=point;}}if(this.autoClose&&points.length>1&&!points[points.length-1].equals(points[0])){points.push(points[0]);}return points;}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(CurvePath.prototype),"copy",this).call(this,source);this.curves=[];for(var i=0,l=source.curves.length;i<l;i++){var curve=source.curves[i];this.curves.push(curve.clone());}this.autoClose=source.autoClose;return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(CurvePath.prototype),"toJSON",this).call(this);data.autoClose=this.autoClose;data.curves=[];for(var i=0,l=this.curves.length;i<l;i++){var curve=this.curves[i];data.curves.push(curve.toJSON());}return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(CurvePath.prototype),"fromJSON",this).call(this,json);this.autoClose=json.autoClose;this.curves=[];for(var i=0,l=json.curves.length;i<l;i++){var curve=json.curves[i];this.curves.push(new Curves[curve.type]().fromJSON(curve));}return this;}}]);return CurvePath;}(Curve);var Path=/*#__PURE__*/function(_CurvePath){_inherits(Path,_CurvePath);var _super69=_createSuper(Path);function Path(points){var _this60;_classCallCheck(this,Path);_this60=_super69.call(this);_this60.type='Path';_this60.currentPoint=new Vector2();if(points){_this60.setFromPoints(points);}return _this60;}_createClass(Path,[{key:"setFromPoints",value:function setFromPoints(points){this.moveTo(points[0].x,points[0].y);for(var i=1,l=points.length;i<l;i++){this.lineTo(points[i].x,points[i].y);}return this;}},{key:"moveTo",value:function moveTo(x,y){this.currentPoint.set(x,y);// TODO consider referencing vectors instead of copying?
1318return this;}},{key:"lineTo",value:function lineTo(x,y){var curve=new LineCurve(this.currentPoint.clone(),new Vector2(x,y));this.curves.push(curve);this.currentPoint.set(x,y);return this;}},{key:"quadraticCurveTo",value:function quadraticCurveTo(aCPx,aCPy,aX,aY){var curve=new QuadraticBezierCurve(this.currentPoint.clone(),new Vector2(aCPx,aCPy),new Vector2(aX,aY));this.curves.push(curve);this.currentPoint.set(aX,aY);return this;}},{key:"bezierCurveTo",value:function bezierCurveTo(aCP1x,aCP1y,aCP2x,aCP2y,aX,aY){var curve=new CubicBezierCurve(this.currentPoint.clone(),new Vector2(aCP1x,aCP1y),new Vector2(aCP2x,aCP2y),new Vector2(aX,aY));this.curves.push(curve);this.currentPoint.set(aX,aY);return this;}},{key:"splineThru",value:function splineThru(pts/*Array of Vector*/){var npts=[this.currentPoint.clone()].concat(pts);var curve=new SplineCurve(npts);this.curves.push(curve);this.currentPoint.copy(pts[pts.length-1]);return this;}},{key:"arc",value:function arc(aX,aY,aRadius,aStartAngle,aEndAngle,aClockwise){var x0=this.currentPoint.x;var y0=this.currentPoint.y;this.absarc(aX+x0,aY+y0,aRadius,aStartAngle,aEndAngle,aClockwise);return this;}},{key:"absarc",value:function absarc(aX,aY,aRadius,aStartAngle,aEndAngle,aClockwise){this.absellipse(aX,aY,aRadius,aRadius,aStartAngle,aEndAngle,aClockwise);return this;}},{key:"ellipse",value:function ellipse(aX,aY,xRadius,yRadius,aStartAngle,aEndAngle,aClockwise,aRotation){var x0=this.currentPoint.x;var y0=this.currentPoint.y;this.absellipse(aX+x0,aY+y0,xRadius,yRadius,aStartAngle,aEndAngle,aClockwise,aRotation);return this;}},{key:"absellipse",value:function absellipse(aX,aY,xRadius,yRadius,aStartAngle,aEndAngle,aClockwise,aRotation){var curve=new EllipseCurve(aX,aY,xRadius,yRadius,aStartAngle,aEndAngle,aClockwise,aRotation);if(this.curves.length>0){// if a previous curve is present, attempt to join
1319var firstPoint=curve.getPoint(0);if(!firstPoint.equals(this.currentPoint)){this.lineTo(firstPoint.x,firstPoint.y);}}this.curves.push(curve);var lastPoint=curve.getPoint(1);this.currentPoint.copy(lastPoint);return this;}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(Path.prototype),"copy",this).call(this,source);this.currentPoint.copy(source.currentPoint);return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(Path.prototype),"toJSON",this).call(this);data.currentPoint=this.currentPoint.toArray();return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(Path.prototype),"fromJSON",this).call(this,json);this.currentPoint.fromArray(json.currentPoint);return this;}}]);return Path;}(CurvePath);var LatheGeometry=/*#__PURE__*/function(_BufferGeometry3){_inherits(LatheGeometry,_BufferGeometry3);var _super70=_createSuper(LatheGeometry);function LatheGeometry(){var _this61;var points=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[new Vector2(0,-0.5),new Vector2(0.5,0),new Vector2(0,0.5)];var segments=arguments.length>1&&arguments[1]!==undefined?arguments[1]:12;var phiStart=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var phiLength=arguments.length>3&&arguments[3]!==undefined?arguments[3]:Math.PI*2;_classCallCheck(this,LatheGeometry);_this61=_super70.call(this);_this61.type='LatheGeometry';

1319_this61.parameters={points:points,segments:segments,phiStart:phiStart,phiLength:phiLength};segments=Math.floor(segments);// clamp phiLength so it's in range of [ 0, 2PI ]
1320phiLength=clamp(phiLength,0,Math.PI*2);// buffers
1321var indices=[];var vertices=[];var uvs=[];var initNormals=[];var normals=[];// helper variables
1322var inverseSegments=1.0/segments;var vertex=new Vector3();var uv=new Vector2();var normal=new Vector3();var curNormal=new Vector3();var prevNormal=new Vector3();var dx=0;var dy=0;// pre-compute normals for initial "meridian"
1323for(var j=0;j<=points.length-1;j++){switch(j){case 0:// special handling for 1st vertex on path
1324dx=points[j+1].x-points[j].x;dy=points[j+1].y-points[j].y;normal.x=dy*1.0;normal.y=-dx;normal.z=dy*0.0;prevNormal.copy(normal);normal.normalize();initNormals.push(normal.x,normal.y,normal.z);break;case points.length-1:// special handling for last Vertex on path
1325initNormals.push(prevNormal.x,prevNormal.y,prevNormal.z);break;default:// default handling for all vertices in between
1326dx=points[j+1].x-points[j].x;dy=points[j+1].y-points[j].y;normal.x=dy*1.0;normal.y=-dx;normal.z=dy*0.0;curNormal.copy(normal);normal.x+=prevNormal.x;normal.y+=prevNormal.y;normal.z+=prevNormal.z;normal.normalize();initNormals.push(normal.x,normal.y,normal.z);prevNormal.copy(curNormal);}}// generate vertices, uvs and normals
1327for(var i=0;i<=segments;i++){var phi=phiStart+i*inverseSegments*phiLength;var sin=Math.sin(phi);var cos=Math.cos(phi);for(var _j5=0;_j5<=points.length-1;_j5++){// vertex
1328vertex.x=points[_j5].x*sin;vertex.y=points[_j5].y;vertex.z=points[_j5].x*cos;vertices.push(vertex.x,vertex.y,vertex.z);// uv
1329uv.x=i/segments;uv.y=_j5/(points.length-1);uvs.push(uv.x,uv.y);// normal
1330var x=initNormals[3*_j5+0]*sin;var y=initNormals[3*_j5+1];var z=initNormals[3*_j5+0]*cos;normals.push(x,y,z);}}// indices
1331for(var _i57=0;_i57<segments;_i57++){for(var _j6=0;_j6<points.length-1;_j6++){var base=_j6+_i57*points.length;var a=base;var b=base+points.length;var c=base+points.length+1;var d=base+1;// faces
1332indices.push(a,b,d);indices.push(c,d,b);}}// build geometry
1333_this61.setIndex(indices);_this61.setAttribute('position',new Float32BufferAttribute(vertices,3));_this61.setAttribute('uv',new Float32BufferAttribute(uvs,2));_this61.setAttribute('normal',new Float32BufferAttribute(normals,3));return _this61;}_createClass(LatheGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new LatheGeometry(data.points,data.segments,data.phiStart,data.phiLength);}}]);return LatheGeometry;}(BufferGeometry);var CapsuleGeometry=/*#__PURE__*/function(_LatheGeometry){_inherits(CapsuleGeometry,_LatheGeometry);var _super71=_createSuper(CapsuleGeometry);function CapsuleGeometry(){var _this62;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var length=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var capSegments=arguments.length>2&&arguments[2]!==undefined?arguments[2]:4;var radialSegments=arguments.length>3&&arguments[3]!==undefined?arguments[3]:8;_classCallCheck(this,CapsuleGeometry);var path=new Path();path.absarc(0,-length/2,radius,Math.PI*1.5,0);path.absarc(0,length/2,radius,0,Math.PI*0.5);_this62=_super71.call(this,path.getPoints(capSegments),radialSegments);_this62.type='CapsuleGeometry';_this62.parameters={radius:radius,height:length,capSegments:capSegments,radialSegments:radialSegments};return _this62;}_createClass(CapsuleGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new CapsuleGeometry(data.radius,data.length,data.capSegments,data.radialSegments);}}]);return CapsuleGeometry;}(LatheGeometry);var CircleGeometry=/*#__PURE__*/function(_BufferGeometry4){_inherits(CircleGeometry,_BufferGeometry4);var _super72=_createSuper(CircleGeometry);function CircleGeometry(){var _this63;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var segments=arguments.length>1&&arguments[1]!==undefined?arguments[1]:8;var thetaStart=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var thetaLength=arguments.length>3&&arguments[3]!==undefined?arguments[3]:Math.PI*2;_classCallCheck(this,CircleGeometry);_this63=_super72.call(this);_this63.type='CircleGeometry';

1333_this63.parameters={radius:radius,segments:segments,thetaStart:thetaStart,thetaLength:thetaLength};segments=Math.max(3,segments);// buffers
1334var indices=[];var vertices=[];var normals=[];var uvs=[];// helper variables
1335var vertex=new Vector3();var uv=new Vector2();// center point
1336vertices.push(0,0,0);normals.push(0,0,1);uvs.push(0.5,0.5);for(var s=0,i=3;s<=segments;s++,i+=3){var segment=thetaStart+s/segments*thetaLength;// vertex
1337vertex.x=radius*Math.cos(segment);vertex.y=radius*Math.sin(segment);vertices.push(vertex.x,vertex.y,vertex.z);// normal
1338normals.push(0,0,1);// uvs
1339uv.x=(vertices[i]/radius+1)/2;uv.y=(vertices[i+1]/radius+1)/2;uvs.push(uv.x,uv.y);}// indices
1340for(var _i58=1;_i58<=segments;_i58++){indices.push(_i58,_i58+1,0);}// build geometry
1341_this63.setIndex(indices);_this63.setAttribute('position',new Float32BufferAttribute(vertices,3));_this63.setAttribute('normal',new Float32BufferAttribute(normals,3));_this63.setAttribute('uv',new Float32BufferAttribute(uvs,2));return _this63;}_createClass(CircleGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new CircleGeometry(data.radius,data.segments,data.thetaStart,data.thetaLength);}}]);return CircleGeometry;}(BufferGeometry);var CylinderGeometry=/*#__PURE__*/function(_BufferGeometry5){_inherits(CylinderGeometry,_BufferGeometry5);var _super73=_createSuper(CylinderGeometry);function CylinderGeometry(){var _this64;var radiusTop=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var radiusBottom=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var height=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;var radialSegments=arguments.length>3&&arguments[3]!==undefined?arguments[3]:8;var heightSegments=arguments.length>4&&arguments[4]!==undefined?arguments[4]:1;var openEnded=arguments.length>5&&arguments[5]!==undefined?arguments[5]:false;var thetaStart=arguments.length>6&&arguments[6]!==undefined?arguments[6]:0;var thetaLength=arguments.length>7&&arguments[7]!==undefined?arguments[7]:Math.PI*2;_classCallCheck(this,CylinderGeometry);_this64=_super73.call(this);_this64.type='CylinderGeometry';_this64.parameters={radiusTop:radiusTop,radiusBottom:radiusBottom,height:height,radialSegments:radialSegments,heightSegments:heightSegments,openEnded:openEnded,thetaStart:thetaStart,thetaLength:thetaLength};var scope=_assertThisInitialized(_this64);radialSegments=Math.floor(radialSegments);heightSegments=Math.floor(heightSegments);// buffers
1342var indices=[];var vertices=[];var normals=[];var uvs=[];// helper variables
1343var index=0;var indexArray=[];var halfHeight=height/2;var groupStart=0;// generate geometry
1344generateTorso();if(openEnded===false){if(radiusTop>0)generateCap(true);if(radiusBottom>0)generateCap(false);}// build geometry
1345_this64.setIndex(indices);_this64.setAttribute('position',new Float32BufferAttribute(vertices,3));_this64.setAttribute('normal',new Float32BufferAttribute(normals,3));_this64.setAttribute('uv',new Float32BufferAttribute(uvs,2));function generateTorso(){var normal=new Vector3();var vertex=new Vector3();var groupCount=0;// this will be used to calculate the normal
1346var slope=(radiusBottom-radiusTop)/height;// generate vertices, normals and uvs
1347for(var y=0;y<=heightSegments;y++){var indexRow=[];var v=y/heightSegments;// calculate the radius of the current row
1348var radius=v*(radiusBottom-radiusTop)+radiusTop;for(var x=0;x<=radialSegments;x++){var u=x/radialSegments;var theta=u*thetaLength+thetaStart;var sinTheta=Math.sin(theta);var cosTheta=Math.cos(theta);// vertex
1349vertex.x=radius*sinTheta;vertex.y=-v*height+halfHeight;vertex.z=radius*cosTheta;vertices.push(vertex.x,vertex.y,vertex.z);// normal
1350normal.set(sinTheta,slope,cosTheta).normalize();normals.push(normal.x,normal.y,normal.z);// uv
1351uvs.push(u,1-v);// save index of vertex in respective row
1352indexRow.push(index++);}// now save vertices of the row in our index array
1353indexArray.push(indexRow);}// generate indices
1354for(var _x4=0;_x4<radialSegments;_x4++){for(var _y2=0;_y2<heightSegments;_y2++){// we use the index array to access the correct indices
1355var a=indexArray[_y2][_x4];var b=indexArray[_y2+1][_x4];var c=indexArray[_y2+1][_x4+1];var d=indexArray[_y2][_x4+1];// faces
1356indices.push(a,b,d);indices.push(b,c,d);// update group counter
1357groupCount+=6;}}// add a group to the geometry. this will ensure multi material support
1358scope.addGroup(groupStart,groupCount,0);// calculate new start value for groups
1359groupStart+=groupCount;}function generateCap(top){// save the index of the first center vertex
1360var centerIndexStart=index;var uv=new Vector2();var vertex=new Vector3();var groupCount=0;var radius=top===true?radiusTop:radiusBottom;var sign=top===true?1:-1;// first we generate the center vertex data of the cap.
1361// because the geometry needs one set of uvs per face,
1362// we must generate a center vertex per face/segment
1363for(var x=1;x<=radialSegments;x++){// vertex
1364vertices.push(0,halfHeight*sign,0);// normal

1365normals.push(0,sign,0);// uv
1366uvs.push(0.5,0.5);// increase index
1367index++;}// save the index of the last center vertex
1368var centerIndexEnd=index;// now we generate the surrounding vertices, normals and uvs
1369for(var _x5=0;_x5<=radialSegments;_x5++){var u=_x5/radialSegments;var theta=u*thetaLength+thetaStart;var cosTheta=Math.cos(theta);var sinTheta=Math.sin(theta);// vertex
1370vertex.x=radius*sinTheta;vertex.y=halfHeight*sign;vertex.z=radius*cosTheta;vertices.push(vertex.x,vertex.y,vertex.z);// normal
1371normals.push(0,sign,0);// uv
1372uv.x=cosTheta*0.5+0.5;uv.y=sinTheta*0.5*sign+0.5;uvs.push(uv.x,uv.y);// increase index
1373index++;}// generate indices
1374for(var _x6=0;_x6<radialSegments;_x6++){var c=centerIndexStart+_x6;var i=centerIndexEnd+_x6;if(top===true){// face top
1375indices.push(i,i+1,c);}else{// face bottom
1376indices.push(i+1,i,c);}groupCount+=3;}// add a group to the geometry. this will ensure multi material support
1377scope.addGroup(groupStart,groupCount,top===true?1:2);// calculate new start value for groups
1378groupStart+=groupCount;}return _this64;}_createClass(CylinderGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new CylinderGeometry(data.radiusTop,data.radiusBottom,data.height,data.radialSegments,data.heightSegments,data.openEnded,data.thetaStart,data.thetaLength);}}]);return CylinderGeometry;}(BufferGeometry);var ConeGeometry=/*#__PURE__*/function(_CylinderGeometry){_inherits(ConeGeometry,_CylinderGeometry);var _super74=_createSuper(ConeGeometry);function ConeGeometry(){var _this65;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var height=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var radialSegments=arguments.length>2&&arguments[2]!==undefined?arguments[2]:8;var heightSegments=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;var openEnded=arguments.length>4&&arguments[4]!==undefined?arguments[4]:false;var thetaStart=arguments.length>5&&arguments[5]!==undefined?arguments[5]:0;var thetaLength=arguments.length>6&&arguments[6]!==undefined?arguments[6]:Math.PI*2;_classCallCheck(this,ConeGeometry);_this65=_super74.call(this,0,radius,height,radialSegments,heightSegments,openEnded,thetaStart,thetaLength);_this65.type='ConeGeometry';_this65.parameters={radius:radius,height:height,radialSegments:radialSegments,heightSegments:heightSegments,openEnded:openEnded,thetaStart:thetaStart,thetaLength:thetaLength};return _this65;}_createClass(ConeGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new ConeGeometry(data.radius,data.height,data.radialSegments,data.heightSegments,data.openEnded,data.thetaStart,data.thetaLength);}}]);return ConeGeometry;}(CylinderGeometry);var PolyhedronGeometry=/*#__PURE__*/function(_BufferGeometry6){_inherits(PolyhedronGeometry,_BufferGeometry6);var _super75=_createSuper(PolyhedronGeometry);function PolyhedronGeometry(){var _this66;var vertices=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var indices=arguments.length>1&&arguments[1]!==undefined?arguments[1]:[];var radius=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;var detail=arguments.length>3&&arguments[3]!==undefined?arguments[3]:0;_classCallCheck(this,PolyhedronGeometry);_this66=_super75.call(this);_this66.type='PolyhedronGeometry';_this66.parameters={vertices:vertices,indices:indices,radius:radius,detail:detail};// default buffer data
1379var vertexBuffer=[];var uvBuffer=[];// the subdivision creates the vertex buffer data
1380subdivide(detail);// all vertices should lie on a conceptual sphere with a given radius
1381applyRadius(radius);// finally, create the uv data
1382generateUVs();// build non-indexed geometry
1383_this66.setAttribute('position',new Float32BufferAttribute(vertexBuffer,3));_this66.setAttribute('normal',new Float32BufferAttribute(vertexBuffer.slice(),3));_this66.setAttribute('uv',new Float32BufferAttribute(uvBuffer,2));if(detail===0){_this66.computeVertexNormals();// flat normals
1384}else{_this66.normalizeNormals();// smooth normals
1385}// helper functions
1386function subdivide(detail){var a=new Vector3();var b=new Vector3();var c=new Vector3();// iterate over all faces and apply a subdivison with the given detail value
1387for(var i=0;i<indices.length;i+=3){// get the vertices of the face
1388getVertexByIndex(indices[i+0],a);getVertexByIndex(indices[i+1],b);getVertexByIndex(indices[i+2],c);// perform subdivision
1389subdivideFace(a,b,c,detail);}}function subdivideFace(a,b,c,detail){var cols=detail+1;// we use this multidimensional array as a data structure for creating the subdivision
1390var v=[];// construct all of the vertices for this subdivision
1391for(var i=0;i<=cols;i++){v[i]=[];var aj=a.clone().lerp(c,i/cols);var bj=b.clone().lerp(c,i/cols);var rows=cols-i;for(var j=0;j<=rows;j++){if(j===0&&i===cols){v[i][j]=aj;}else{v[i][j]=aj.clone().lerp(bj,j/rows);}}}// construct all of the faces
1392for(var _i59=0;_i59<cols;_i59++){for(var _j7=0;_j7<2*(cols-_i59)-1;_j7++){var k=Math.floor(_j7/2);if(_j7%2===0){pushVertex(v[_i59][k+1]);pushVertex(v[_i59+1][k]);pushVertex(v[_i59][k]);}else{pushVertex(v[_i59][k+1]);pushVertex(v[_i59+1][k+1]);pushVertex(v[_i59+1][k]);}}}}function applyRadius(radius){var vertex=new Vector3();// iterate over the entire buffer and apply the radius to each vertex
1393for(var i=0;i<vertexBuffer.length;i+=3){vertex.x=vertexBuffer[i+0];vertex.y=vertexBuffer[i+1];vertex.z=vertexBuffer[i+2];vertex.normalize().multiplyScalar(radius);vertexBuffer[i+0]=vertex.x;vertexBuffer[i+1]=vertex.y;vertexBuffer[i+2]=vertex.z;}}function generateUVs(){var vertex=new Vector3();for(var i=0;i<vertexBuffer.length;i+=3){vertex.x=vertexBuffer[i+0];vertex.y=vertexBuffer[i+1];vertex.z=vertexBuffer[i+2];var u=azimuth(vertex)/2/Math.PI+0.5;var v=inclination(vertex)/Math.PI+0.5;uvBuffer.push(u,1-v);}correctUVs();correctSeam();}function correctSeam(){// handle case when face straddles the seam, see #3269
1394for(var i=0;i<uvBuffer.length;i+=6){// uv data of a single face
1395var x0=uvBuffer[i+0];var x1=uvBuffer[i+2];var x2=uvBuffer[i+4];var max=Math.max(x0,x1,x2);var min=Math.min(x0,x1,x2);// 0.9 is somewhat arbitrary
1396if(max>0.9&&min<0.1){if(x0<0.2)uvBuffer[i+0]+=1;if(x1<0.2)uvBuffer[i+2]+=1;if(x2<0.2)uvBuffer[i+4]+=1;}}}function pushVertex(vertex){vertexBuffer.push(vertex.x,vertex.y,vertex.z);}function getVertexByIndex(index,vertex){var stride=index*3;vertex.x=vertices[stride+0];vertex.y=vertices[stride+1];vertex.z=vertices[stride+2];}function correctUVs(){var a=new Vector3();var b=new Vector3();var c=new Vector3();var centroid=new Vector3();var uvA=new Vector2();var uvB=new Vector2();var uvC=new Vector2();for(var i=0,j=0;i<vertexBuffer.length;i+=9,j+=6){a.set(vertexBuffer[i+0],vertexBuffer[i+1],vertexBuffer[i+2]);b.set(vertexBuffer[i+3],vertexBuffer[i+4],vertexBuffer[i+5]);c.set(vertexBuffer[i+6],vertexBuffer[i+7],vertexBuffer[i+8]);uvA.set(uvBuffer[j+0],uvBuffer[j+1]);uvB.set(uvBuffer[j+2],uvBuffer[j+3]);uvC.set(uvBuffer[j+4],uvBuffer[j+5]);centroid.copy(a).add(b).add(c).divideScalar(3);var azi=azimuth(centroid);correctUV(uvA,j+0,a,azi);correctUV(uvB,j+2,b,azi);correctUV(uvC,j+4,c,azi);}}function correctUV(uv,stride,vector,azimuth){if(azimuth<0&&uv.x===1){uvBuffer[stride]=uv.x-1;}

1396if(vector.x===0&&vector.z===0){uvBuffer[stride]=azimuth/2/Math.PI+0.5;}}// Angle around the Y axis, counter-clockwise when looking from above.
1397function azimuth(vector){return Math.atan2(vector.z,-vector.x);}// Angle above the XZ plane.
1398function inclination(vector){return Math.atan2(-vector.y,Math.sqrt(vector.x*vector.x+vector.z*vector.z));}return _this66;}_createClass(PolyhedronGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new PolyhedronGeometry(data.vertices,data.indices,data.radius,data.details);}}]);return PolyhedronGeometry;}(BufferGeometry);var DodecahedronGeometry=/*#__PURE__*/function(_PolyhedronGeometry){_inherits(DodecahedronGeometry,_PolyhedronGeometry);var _super76=_createSuper(DodecahedronGeometry);function DodecahedronGeometry(){var _this67;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var detail=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;_classCallCheck(this,DodecahedronGeometry);var t=(1+Math.sqrt(5))/2;var r=1/t;var vertices=[// (±1, ±1, ±1)
1399-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,// (0, ±1/φ, ±φ)
14000,-r,-t,0,-r,t,0,r,-t,0,r,t,// (±1/φ, ±φ, 0)
1401-r,-t,0,-r,t,0,r,-t,0,r,t,0,// (±φ, 0, ±1/φ)
1402-t,0,-r,t,0,-r,-t,0,r,t,0,r];var indices=[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,

140219,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9];_this67=_super76.call(this,vertices,indices,radius,detail);_this67.type='DodecahedronGeometry';_this67.parameters={radius:radius,detail:detail};return _this67;}_createClass(DodecahedronGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new DodecahedronGeometry(data.radius,data.detail);}}]);return DodecahedronGeometry;}(PolyhedronGeometry);var _v0=/*@__PURE__*/new Vector3();var _v1$1=/*@__PURE__*/new Vector3();var _normal=/*@__PURE__*/new Vector3();var _triangle=/*@__PURE__*/new Triangle();var EdgesGeometry=/*#__PURE__*/function(_BufferGeometry7){_inherits(EdgesGeometry,_BufferGeometry7);var _super77=_createSuper(EdgesGeometry);function EdgesGeometry(){var _this68;var geometry=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;var thresholdAngle=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;_classCallCheck(this,EdgesGeometry);_this68=_super77.call(this);_this68.type='EdgesGeometry';_this68.parameters={geometry:geometry,thresholdAngle:thresholdAngle};if(geometry!==null){var precisionPoints=4;var precision=Math.pow(10,precisionPoints);var thresholdDot=Math.cos(DEG2RAD*thresholdAngle);var indexAttr=geometry.getIndex();var positionAttr=geometry.getAttribute('position');var indexCount=indexAttr?indexAttr.count:positionAttr.count;var indexArr=[0,0,0];var vertKeys=['a','b','c'];var hashes=new Array(3);var edgeData={};var vertices=[];for(var i=0;i<indexCount;i+=3){if(indexAttr){indexArr[0]=indexAttr.getX(i);indexArr[1]=indexAttr.getX(i+1);indexArr[2]=indexAttr.getX(i+2);}else{indexArr[0]=i;indexArr[1]=i+1;indexArr[2]=i+2;}var a=_triangle.a,b=_triangle.b,c=_triangle.c;a.fromBufferAttribute(positionAttr,indexArr[0]);b.fromBufferAttribute(positionAttr,indexArr[1]);c.fromBufferAttribute(positionAttr,indexArr[2]);_triangle.getNormal(_normal);// create hashes for the edge from the vertices
1403hashes[0]="".concat(Math.round(a.x*precision),",").concat(Math.round(a.y*precision),",").concat(Math.round(a.z*precision));hashes[1]="".concat(Math.round(b.x*precision),",").concat(Math.round(b.y*precision),",").concat(Math.round(b.z*precision));hashes[2]="".concat(Math.round(c.x*precision),",").concat(Math.round(c.y*precision),",").concat(Math.round(c.z*precision));// skip degenerate triangles
1404if(hashes[0]===hashes[1]||hashes[1]===hashes[2]||hashes[2]===hashes[0]){continue;}// iterate over every edge
1405for(var j=0;j<3;j++){// get the first and next vertex making up the edge
1406var jNext=(j+1)%3;var vecHash0=hashes[j];var vecHash1=hashes[jNext];var v0=_triangle[vertKeys[j]];var v1=_triangle[vertKeys[jNext]];var hash="".concat(vecHash0,"_").concat(vecHash1);var reverseHash="".concat(vecHash1,"_").concat(vecHash0);if(reverseHash in edgeData&&edgeData[reverseHash]){// if we found a sibling edge add it into the vertex array if
1407// it meets the angle threshold and delete the edge from the map.
1408if(_normal.dot(edgeData[reverseHash].normal)<=thresholdDot){vertices.push(v0.x,v0.y,v0.z);vertices.push(v1.x,v1.y,v1.z);}edgeData[reverseHash]=null;}else if(!(hash in edgeData)){// if we've already got an edge here then skip adding a new one
1409edgeData[hash]={index0:indexArr[j],index1:indexArr[jNext],normal:_normal.clone()};}}}// iterate over all remaining, unmatched edges and add them to the vertex array
1410for(var key in edgeData){if(edgeData[key]){var _edgeData$key=edgeData[key],index0=_edgeData$key.index0,index1=_edgeData$key.index1;_v0.fromBufferAttribute(positionAttr,index0);_v1$1.fromBufferAttribute(positionAttr,index1);vertices.push(_v0.x,_v0.y,_v0.z);vertices.push(_v1$1.x,_v1$1.y,_v1$1.z);}}_this68.setAttribute('position',new Float32BufferAttribute(vertices,3));}return _this68;}return _createClass(EdgesGeometry);}(BufferGeometry);var Shape=/*#__PURE__*/function(_Path){_inherits(Shape,_Path);var _super78=_createSuper(Shape);function Shape(points){var _this69;_classCallCheck(this,Shape);_this69=_super78.call(this,points);_this69.uuid=generateUUID();_this69.type='Shape';_this69.holes=[];return _this69;}_createClass(Shape,[{key:"getPointsHoles",value:function getPointsHoles(divisions){var holesPts=[];for(var i=0,l=this.holes.length;i<l;i++){holesPts[i]=this.holes[i].getPoints(divisions);}return holesPts;}// get points of shape and holes (keypoints based on segments parameter)
1411},{key:"extractPoints",value:function extractPoints(divisions){return{shape:this.getPoints(divisions),holes:this.getPointsHoles(divisions)};}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(Shape.prototype),"copy",this).call(this,source);this.holes=[];for(var i=0,l=source.holes.length;i<l;i++){var hole=source.holes[i];this.holes.push(hole.clone());}return this;}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(Shape.prototype),"toJSON",this).call(this);data.uuid=this.uuid;data.holes=[];for(var i=0,l=this.holes.length;i<l;i++){var hole=this.holes[i];data.holes.push(hole.toJSON());}return data;}},{key:"fromJSON",value:function fromJSON(json){_get(_getPrototypeOf(Shape.prototype),"fromJSON",this).call(this,json);this.uuid=json.uuid;this.holes=[];for(var i=0,l=json.holes.length;i<l;i++){var hole=json.holes[i];this.holes.push(new Path().fromJSON(hole));}return this;}}]);return Shape;}(Path);/**
1412	 * Port from https://github.com/mapbox/earcut (v2.2.2)
1413	 */var Earcut={triangulate:function triangulate(data,holeIndices){var dim=arguments.length>2&&arguments[2]!==undefined?arguments[2]:2;var hasHoles=holeIndices&&holeIndices.length;

1413var outerLen=hasHoles?holeIndices[0]*dim:data.length;var outerNode=linkedList(data,0,outerLen,dim,true);var triangles=[];if(!outerNode||outerNode.next===outerNode.prev)return triangles;var minX,minY,maxX,maxY,x,y,invSize;if(hasHoles)outerNode=eliminateHoles(data,holeIndices,outerNode,dim);// if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox
1414if(data.length>80*dim){minX=maxX=data[0];minY=maxY=data[1];for(var i=dim;i<outerLen;i+=dim){x=data[i];y=data[i+1];if(x<minX)minX=x;if(y<minY)minY=y;if(x>maxX)maxX=x;if(y>maxY)maxY=y;}// minX, minY and invSize are later used to transform coords into integers for z-order calculation
1415invSize=Math.max(maxX-minX,maxY-minY);invSize=invSize!==0?1/invSize:0;}earcutLinked(outerNode,triangles,dim,minX,minY,invSize);return triangles;}};// create a circular doubly linked list from polygon points in the specified winding order
1416function linkedList(data,start,end,dim,clockwise){var i,last;if(clockwise===signedArea(data,start,end,dim)>0){for(i=start;i<end;i+=dim)last=insertNode(i,data[i],data[i+1],last);}else{for(i=end-dim;i>=start;i-=dim)last=insertNode(i,data[i],data[i+1],last);}if(last&&equals(last,last.next)){removeNode(last);last=last.next;}return last;}// eliminate colinear or duplicate points
1417function filterPoints(start,end){if(!start)return start;if(!end)end=start;var p=start,again;do{again=false;if(!p.steiner&&(equals(p,p.next)||area(p.prev,p,p.next)===0)){removeNode(p);p=end=p.prev;if(p===p.next)break;again=true;}else{p=p.next;}}while(again||p!==end);return end;}// main ear slicing loop which triangulates a polygon (given as a linked list)
1418function earcutLinked(ear,triangles,dim,minX,minY,invSize,pass){if(!ear)return;// interlink polygon nodes in z-order
1419if(!pass&&invSize)indexCurve(ear,minX,minY,invSize);var stop=ear,prev,next;// iterate through ears, slicing them one by one
1420while(ear.prev!==ear.next){prev=ear.prev;next=ear.next;if(invSize?isEarHashed(ear,minX,minY,invSize):isEar(ear)){// cut off the triangle
1421triangles.push(prev.i/dim);triangles.push(ear.i/dim);triangles.push(next.i/dim);removeNode(ear);// skipping the next vertex leads to less sliver triangles
1422ear=next.next;stop=next.next;continue;}ear=next;// if we looped through the whole remaining polygon and can't find any more ears
1423if(ear===stop){// try filtering points and slicing again
1424if(!pass){earcutLinked(filterPoints(ear),triangles,dim,minX,minY,invSize,1);// if this didn't work, try curing all small self-intersections locally
1425}else if(pass===1){ear=cureLocalIntersections(filterPoints(ear),triangles,dim);earcutLinked(ear,triangles,dim,minX,minY,invSize,2);// as a last resort, try splitting the remaining polygon into two
1426}else if(pass===2){splitEarcut(ear,triangles,dim,minX,minY,invSize);}break;}}}// check whether a polygon node forms a valid ear with adjacent nodes
1427function isEar(ear){var a=ear.prev,b=ear,c=ear.next;if(area(a,b,c)>=0)return false;// reflex, can't be an ear
1428// now make sure we don't have other points inside the potential ear
1429var p=ear.next.next;while(p!==ear.prev){if(pointInTriangle(a.x,a.y,b.x,b.y,c.x,c.y,p.x,p.y)&&area(p.prev,p,p.next)>=0)return false;p=p.next;}return true;}function isEarHashed(ear,minX,minY,invSize){var a=ear.prev,b=ear,c=ear.next;if(area(a,b,c)>=0)return false;// reflex, can't be an ear
1430// triangle bbox; min & max are calculated like this for speed
1431var minTX=a.x<b.x?a.x<c.x?a.x:c.x:b.x<c.x?b.x:c.x,minTY=a.y<b.y?a.y<c.y?a.y:c.y:b.y<c.y?b.y:c.y,maxTX=a.x>b.x?a.x>c.x?a.x:c.x:b.x>c.x?b.x:c.x,maxTY=a.y>b.y?a.y>c.y?a.y:c.y:b.y>c.y?b.y:c.y;// z-order range for the current triangle bbox;
1432var minZ=zOrder(minTX,minTY,minX,minY,invSize),maxZ=zOrder(maxTX,maxTY,minX,minY,invSize);var p=ear.prevZ,n=ear.nextZ;// look for points inside the triangle in both directions
1433while(p&&p.z>=minZ&&n&&n.z<=maxZ){if(p!==ear.prev&&p!==ear.next&&pointInTriangle(a.x,a.y,b.x,b.y,c.x,c.y,p.x,p.y)&&area(p.prev,p,p.next)>=0)return false;p=p.prevZ;if(n!==ear.prev&&n!==ear.next&&pointInTriangle(a.x,a.y,b.x,b.y,c.x,c.y,n.x,n.y)&&area(n.prev,n,n.next)>=0)return false;n=n.nextZ;}// look for remaining points in decreasing z-order
1434while(p&&p.z>=minZ){if(p!==ear.prev&&p!==ear.next&&pointInTriangle(a.x,a.y,b.x,b.y,c.x,c.y,p.x,p.y)&&area(p.prev,p,p.next)>=0)return false;p=p.prevZ;}// look for remaining points in increasing z-order
1435while(n&&n.z<=maxZ){if(n!==ear.prev&&n!==ear.next&&pointInTriangle(a.x,a.y,b.x,b.y,c.x,c.y,n.x,n.y)&&area(n.prev,n,n.next)>=0)return false;n=n.nextZ;}return true;}// go through all polygon nodes and cure small local self-intersections
1436function cureLocalIntersections(start,triangles,dim){var p=start;do{var a=p.prev,b=p.next.next;if(!equals(a,b)&&intersects(a,p,p.next,b)&&locallyInside(a,b)&&locallyInside(b,a)){triangles.push(a.i/dim);triangles.push(p.i/dim);triangles.push(b.i/dim);// remove two nodes involved
1437removeNode(p);removeNode(p.next);p=start=b;}p=p.next;}while(p!==start);return filterPoints(p);}// try splitting polygon into two and triangulate them independently
1438function splitEarcut(start,triangles,dim,minX,minY,invSize){// look for a valid diagonal that divides the polygon into two
1439var a=start;do{var b=a.next.next;while(b!==a.prev){if(a.i!==b.i&&isValidDiagonal(a,b)){// split the polygon in two by the diagonal
1440var c=splitPolygon(a,b);// filter colinear points around the cuts
1441a=filterPoints(a,a.next);c=filterPoints(c,c.next);// run earcut on each half
1442earcutLinked(a,triangles,dim,minX,minY,invSize);earcutLinked(c,triangles,dim,minX,minY,invSize);return;}b=b.next;}a=a.next;}while(a!==start);}// link every hole into the outer loop, producing a single-ring polygon without holes
1443function eliminateHoles(data,holeIndices,outerNode,dim){var queue=[];var i,len,start,end,list;for(i=0,len=holeIndices.length;i<len;i++){start=holeIndices[i]*dim;end=i<len-1?holeIndices[i+1]*dim:data.length;list=linkedList(data,start,end,dim,false);

1443if(list===list.next)list.steiner=true;queue.push(getLeftmost(list));}queue.sort(compareX);// process holes from left to right
1444for(i=0;i<queue.length;i++){eliminateHole(queue[i],outerNode);outerNode=filterPoints(outerNode,outerNode.next);}return outerNode;}function compareX(a,b){return a.x-b.x;}// find a bridge between vertices that connects hole with an outer ring and link it
1445function eliminateHole(hole,outerNode){outerNode=findHoleBridge(hole,outerNode);if(outerNode){var b=splitPolygon(outerNode,hole);// filter collinear points around the cuts
1446filterPoints(outerNode,outerNode.next);filterPoints(b,b.next);}}// David Eberly's algorithm for finding a bridge between hole and outer polygon
1447function findHoleBridge(hole,outerNode){var p=outerNode;var hx=hole.x;var hy=hole.y;var qx=-Infinity,m;// find a segment intersected by a ray from the hole's leftmost point to the left;
1448// segment's endpoint with lesser x will be potential connection point
1449do{if(hy<=p.y&&hy>=p.next.y&&p.next.y!==p.y){var x=p.x+(hy-p.y)*(p.next.x-p.x)/(p.next.y-p.y);if(x<=hx&&x>qx){qx=x;if(x===hx){if(hy===p.y)return p;if(hy===p.next.y)return p.next;}m=p.x<p.next.x?p:p.next;}}p=p.next;}while(p!==outerNode);if(!m)return null;if(hx===qx)return m;// hole touches outer segment; pick leftmost endpoint
1450// look for points inside the triangle of hole point, segment intersection and endpoint;
1451// if there are no points found, we have a valid connection;
1452// otherwise choose the point of the minimum angle with the ray as connection point
1453var stop=m,mx=m.x,my=m.y;var tanMin=Infinity,tan;p=m;do{if(hx>=p.x&&p.x>=mx&&hx!==p.x&&pointInTriangle(hy<my?hx:qx,hy,mx,my,hy<my?qx:hx,hy,p.x,p.y)){tan=Math.abs(hy-p.y)/(hx-p.x);// tangential
1454if(locallyInside(p,hole)&&(tan<tanMin||tan===tanMin&&(p.x>m.x||p.x===m.x&&sectorContainsSector(m,p)))){m=p;tanMin=tan;}}p=p.next;}while(p!==stop);return m;}// whether sector in vertex m contains sector in vertex p in the same coordinates
1455function sectorContainsSector(m,p){return area(m.prev,m,p.prev)<0&&area(p.next,m,m.next)<0;}// interlink polygon nodes in z-order
1456function indexCurve(start,minX,minY,invSize){var p=start;do{if(p.z===null)p.z=zOrder(p.x,p.y,minX,minY,invSize);p.prevZ=p.prev;p.nextZ=p.next;p=p.next;}while(p!==start);p.prevZ.nextZ=null;p.prevZ=null;sortLinked(p);}// Simon Tatham's linked list merge sort algorithm
1457// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html
1458function sortLinked(list){var i,p,q,e,tail,numMerges,pSize,qSize,inSize=1;do{p=list;list=null;tail=null;numMerges=0;while(p){numMerges++;q=p;pSize=0;for(i=0;i<inSize;i++){pSize++;q=q.nextZ;if(!q)break;}qSize=inSize;while(pSize>0||qSize>0&&q){if(pSize!==0&&(qSize===0||!q||p.z<=q.z)){e=p;p=p.nextZ;pSize--;}else{e=q;q=q.nextZ;qSize--;}if(tail)tail.nextZ=e;else list=e;e.prevZ=tail;tail=e;}p=q;}tail.nextZ=null;inSize*=2;}while(numMerges>1);return list;}// z-order of a point given coords and inverse of the longer side of data bbox
1459function zOrder(x,y,minX,minY,invSize){// coords are transformed into non-negative 15-bit integer range
1460x=32767*(x-minX)*invSize;y=32767*(y-minY)*invSize;x=(x|x<<8)&0x00FF00FF;x=(x|x<<4)&0x0F0F0F0F;x=(x|x<<2)&0x33333333;x=(x|x<<1)&0x55555555;y=(y|y<<8)&0x00FF00FF;y=(y|y<<4)&0x0F0F0F0F;y=(y|y<<2)&0x33333333;y=(y|y<<1)&0x55555555;return x|y<<1;}// find the leftmost node of a polygon ring
1461function getLeftmost(start){var p=start,leftmost=start;do{if(p.x<leftmost.x||p.x===leftmost.x&&p.y<leftmost.y)leftmost=p;p=p.next;}while(p!==start);return leftmost;}// check if a point lies within a convex triangle
1462function pointInTriangle(ax,ay,bx,by,cx,cy,px,py){return(cx-px)*(ay-py)-(ax-px)*(cy-py)>=0&&(ax-px)*(by-py)-(bx-px)*(ay-py)>=0&&(bx-px)*(cy-py)-(cx-px)*(by-py)>=0;}// check if a diagonal between two polygon nodes is valid (lies in polygon interior)
1463function isValidDiagonal(a,b){return a.next.i!==b.i&&a.prev.i!==b.i&&!intersectsPolygon(a,b)&&(// doesn't intersect other edges
1464locallyInside(a,b)&&locallyInside(b,a)&&middleInside(a,b)&&(// locally visible
1465area(a.prev,a,b.prev)||area(a,b.prev,b))||// does not create opposite-facing sectors
1466equals(a,b)&&area(a.prev,a,a.next)>0&&area(b.prev,b,b.next)>0);// special zero-length case
1467}// signed area of a triangle
1468function area(p,q,r){return(q.y-p.y)*(r.x-q.x)-(q.x-p.x)*(r.y-q.y);}// check if two points are equal
1469function equals(p1,p2){return p1.x===p2.x&&p1.y===p2.y;}// check if two segments intersect
1470function intersects(p1,q1,p2,q2){var o1=sign(area(p1,q1,p2));var o2=sign(area(p1,q1,q2));var o3=sign(area(p2,q2,p1));var o4=sign(area(p2,q2,q1));if(o1!==o2&&o3!==o4)return true;// general case

1471if(o1===0&&onSegment(p1,p2,q1))return true;// p1, q1 and p2 are collinear and p2 lies on p1q1
1472if(o2===0&&onSegment(p1,q2,q1))return true;// p1, q1 and q2 are collinear and q2 lies on p1q1
1473if(o3===0&&onSegment(p2,p1,q2))return true;// p2, q2 and p1 are collinear and p1 lies on p2q2
1474if(o4===0&&onSegment(p2,q1,q2))return true;// p2, q2 and q1 are collinear and q1 lies on p2q2
1475return false;}// for collinear points p, q, r, check if point q lies on segment pr
1476function onSegment(p,q,r){return q.x<=Math.max(p.x,r.x)&&q.x>=Math.min(p.x,r.x)&&q.y<=Math.max(p.y,r.y)&&q.y>=Math.min(p.y,r.y);}function sign(num){return num>0?1:num<0?-1:0;}// check if a polygon diagonal intersects any polygon segments
1477function intersectsPolygon(a,b){var p=a;do{if(p.i!==a.i&&p.next.i!==a.i&&p.i!==b.i&&p.next.i!==b.i&&intersects(p,p.next,a,b))return true;p=p.next;}while(p!==a);return false;}// check if a polygon diagonal is locally inside the polygon
1478function locallyInside(a,b){return area(a.prev,a,a.next)<0?area(a,b,a.next)>=0&&area(a,a.prev,b)>=0:area(a,b,a.prev)<0||area(a,a.next,b)<0;}// check if the middle point of a polygon diagonal is inside the polygon
1479function middleInside(a,b){var p=a,inside=false;var px=(a.x+b.x)/2,py=(a.y+b.y)/2;do{if(p.y>py!==p.next.y>py&&p.next.y!==p.y&&px<(p.next.x-p.x)*(py-p.y)/(p.next.y-p.y)+p.x)inside=!inside;p=p.next;}while(p!==a);return inside;}// link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;
1480// if one belongs to the outer ring and another to a hole, it merges it into a single ring
1481function splitPolygon(a,b){var a2=new Node(a.i,a.x,a.y),b2=new Node(b.i,b.x,b.y),an=a.next,bp=b.prev;a.next=b;b.prev=a;a2.next=an;an.prev=a2;b2.next=a2;a2.prev=b2;bp.next=b2;b2.prev=bp;return b2;}// create a node and optionally link it with previous one (in a circular doubly linked list)
1482function insertNode(i,x,y,last){var p=new Node(i,x,y);if(!last){p.prev=p;p.next=p;}else{p.next=last.next;p.prev=last;last.next.prev=p;last.next=p;}return p;}function removeNode(p){p.next.prev=p.prev;p.prev.next=p.next;if(p.prevZ)p.prevZ.nextZ=p.nextZ;if(p.nextZ)p.nextZ.prevZ=p.prevZ;}function Node(i,x,y){// vertex index in coordinates array
1483this.i=i;// vertex coordinates
1484this.x=x;this.y=y;// previous and next vertex nodes in a polygon ring
1485this.prev=null;this.next=null;// z-order curve value
1486this.z=null;// previous and next nodes in z-order
1487this.prevZ=null;this.nextZ=null;// indicates whether this is a steiner point
1488this.steiner=false;}function signedArea(data,start,end,dim){var sum=0;for(var i=start,j=end-dim;i<end;i+=dim){sum+=(data[j]-data[i])*(data[i+1]+data[j+1]);j=i;}return sum;}var ShapeUtils=/*#__PURE__*/function(){function ShapeUtils(){_classCallCheck(this,ShapeUtils);}_createClass(ShapeUtils,null,[{key:"area",value:// calculate area of the contour polygon
1489function area(contour){var n=contour.length;var a=0.0;for(var p=n-1,q=0;q<n;p=q++){a+=contour[p].x*contour[q].y-contour[q].x*contour[p].y;}return a*0.5;}},{key:"isClockWise",value:function isClockWise(pts){return ShapeUtils.area(pts)<0;}},{key:"triangulateShape",value:function triangulateShape(contour,holes){var vertices=[];// flat array of vertices like [ x0,y0, x1,y1, x2,y2, ... ]
1490var holeIndices=[];// array of hole indices
1491var faces=[];// final array of vertex indices like [ [ a,b,d ], [ b,c,d ] ]
1492removeDupEndPts(contour);addContour(vertices,contour);//
1493var holeIndex=contour.length;holes.forEach(removeDupEndPts);for(var i=0;i<holes.length;i++){holeIndices.push(holeIndex);holeIndex+=holes[i].length;addContour(vertices,holes[i]);}//
1494var triangles=Earcut.triangulate(vertices,holeIndices);//
1495for(var _i60=0;_i60<triangles.length;_i60+=3){faces.push(triangles.slice(_i60,_i60+3));}return faces;}}]);return ShapeUtils;}();function removeDupEndPts(points){var l=points.length;if(l>2&&points[l-1].equals(points[0])){points.pop();}}function addContour(vertices,contour){for(var i=0;i<contour.length;i++){vertices.push(contour[i].x);vertices.push(contour[i].y);}}/**
1496	 * Creates extruded geometry from a path shape.
1497	 *
1498	 * parameters = {
1499	 *
1500	 *	curveSegments: <int>, // number of points on the curves
1501	 *	steps: <int>, // number of points for z-side extrusions / used for subdividing segments of extrude spline too
1502	 *	depth: <float>, // Depth to extrude the shape
1503	 *
1504	 *	bevelEnabled: <bool>, // turn on bevel
1505	 *	bevelThickness: <float>, // how deep into the original shape bevel goes
1506	 *	bevelSize: <float>, // how far from shape outline (including bevelOffset) is bevel
1507	 *	bevelOffset: <float>, // how far from shape outline does bevel start
1508	 *	bevelSegments: <int>, // number of bevel layers
1509	 *
1510	 *	extrudePath: <THREE.Curve> // curve to extrude shape along
1511	 *
1512	 *	UVGenerator: <Object> // object that provides UV generator functions
1513	 *
1514	 * }
1515	 */var ExtrudeGeometry=/*#__PURE__*/function(_BufferGeometry8){_inherits(ExtrudeGeometry,_BufferGeometry8);var _super79=_createSuper(ExtrudeGeometry);function ExtrudeGeometry(){var _this70;var shapes=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Shape([new Vector2(0.5,0.5),new Vector2(-0.5,0.5),new Vector2(-0.5,-0.5),new Vector2(0.5,-0.5)]);var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};_classCallCheck(this,ExtrudeGeometry);_this70=_super79.call(this);_this70.type='ExtrudeGeometry';_this70.parameters={shapes:shapes,options:options};shapes=Array.isArray(shapes)?shapes:[shapes];var scope=_assertThisInitialized(_this70);var verticesArray=[];var uvArray=[];for(var i=0,l=shapes.length;i<l;i++){var shape=shapes[i];addShape(shape);}// build geometry
1516_this70.setAttribute('position',new Float32BufferAttribute(verticesArray,3));_this70.setAttribute('uv',new Float32BufferAttribute(uvArray,2));_this70.computeVertexNormals();// functions
1517function addShape(shape){var placeholder=[];// options
1518var curveSegments=options.curveSegments!==undefined?options.curveSegments:12;var steps=options.steps!==undefined?options.steps:1;var depth=options.depth!==undefined?options.depth:1;var bevelEnabled=options.bevelEnabled!==undefined?options.bevelEnabled:true;

1518var bevelThickness=options.bevelThickness!==undefined?options.bevelThickness:0.2;var bevelSize=options.bevelSize!==undefined?options.bevelSize:bevelThickness-0.1;var bevelOffset=options.bevelOffset!==undefined?options.bevelOffset:0;var bevelSegments=options.bevelSegments!==undefined?options.bevelSegments:3;var extrudePath=options.extrudePath;var uvgen=options.UVGenerator!==undefined?options.UVGenerator:WorldUVGenerator;//
1519var extrudePts,extrudeByPath=false;var splineTube,binormal,normal,position2;if(extrudePath){extrudePts=extrudePath.getSpacedPoints(steps);extrudeByPath=true;bevelEnabled=false;// bevels not supported for path extrusion
1520// SETUP TNB variables
1521// TODO1 - have a .isClosed in spline?
1522splineTube=extrudePath.computeFrenetFrames(steps,false);// console.log(splineTube, 'splineTube', splineTube.normals.length, 'steps', steps, 'extrudePts', extrudePts.length);
1523binormal=new Vector3();normal=new Vector3();position2=new Vector3();}// Safeguards if bevels are not enabled
1524if(!bevelEnabled){bevelSegments=0;bevelThickness=0;bevelSize=0;bevelOffset=0;}// Variables initialization
1525var shapePoints=shape.extractPoints(curveSegments);var vertices=shapePoints.shape;var holes=shapePoints.holes;var reverse=!ShapeUtils.isClockWise(vertices);if(reverse){vertices=vertices.reverse();// Maybe we should also check if holes are in the opposite direction, just to be safe ...
1526for(var h=0,hl=holes.length;h<hl;h++){var ahole=holes[h];if(ShapeUtils.isClockWise(ahole)){holes[h]=ahole.reverse();}}}var faces=ShapeUtils.triangulateShape(vertices,holes);/* Vertices */var contour=vertices;// vertices has all points but contour has only points of circumference
1527for(var _h=0,_hl=holes.length;_h<_hl;_h++){var _ahole=holes[_h];vertices=vertices.concat(_ahole);}function scalePt2(pt,vec,size){if(!vec)console.error('THREE.ExtrudeGeometry: vec does not exist');return vec.clone().multiplyScalar(size).add(pt);}var vlen=vertices.length,flen=faces.length;// Find directions for point movement
1528function getBevelVec(inPt,inPrev,inNext){// computes for inPt the corresponding point inPt' on a new contour
1529//	 shifted by 1 unit (length of normalized vector) to the left
1530// if we walk along contour clockwise, this new contour is outside the old one
1531//
1532// inPt' is the intersection of the two lines parallel to the two
1533//	adjacent edges of inPt at a distance of 1 unit on the left side.
1534var v_trans_x,v_trans_y,shrink_by;// resulting translation vector for inPt
1535// good reading for geometry algorithms (here: line-line intersection)
1536// http://geomalgorithms.com/a05-_intersect-1.html
1537var v_prev_x=inPt.x-inPrev.x,v_prev_y=inPt.y-inPrev.y;var v_next_x=inNext.x-inPt.x,v_next_y=inNext.y-inPt.y;var v_prev_lensq=v_prev_x*v_prev_x+v_prev_y*v_prev_y;

1537// check for collinear edges
1538var collinear0=v_prev_x*v_next_y-v_prev_y*v_next_x;if(Math.abs(collinear0)>Number.EPSILON){// not collinear
1539// length of vectors for normalizing
1540var v_prev_len=Math.sqrt(v_prev_lensq);var v_next_len=Math.sqrt(v_next_x*v_next_x+v_next_y*v_next_y);// shift adjacent points by unit vectors to the left
1541var ptPrevShift_x=inPrev.x-v_prev_y/v_prev_len;var ptPrevShift_y=inPrev.y+v_prev_x/v_prev_len;var ptNextShift_x=inNext.x-v_next_y/v_next_len;var ptNextShift_y=inNext.y+v_next_x/v_next_len;// scaling factor for v_prev to intersection point
1542var sf=((ptNextShift_x-ptPrevShift_x)*v_next_y-(ptNextShift_y-ptPrevShift_y)*v_next_x)/(v_prev_x*v_next_y-v_prev_y*v_next_x);// vector from inPt to intersection point
1543v_trans_x=ptPrevShift_x+v_prev_x*sf-inPt.x;v_trans_y=ptPrevShift_y+v_prev_y*sf-inPt.y;// Don't normalize!, otherwise sharp corners become ugly
1544//	but prevent crazy spikes
1545var v_trans_lensq=v_trans_x*v_trans_x+v_trans_y*v_trans_y;if(v_trans_lensq<=2){return new Vector2(v_trans_x,v_trans_y);}else{shrink_by=Math.sqrt(v_trans_lensq/2);}}else{// handle special case of collinear edges
1546var direction_eq=false;// assumes: opposite
1547if(v_prev_x>Number.EPSILON){if(v_next_x>Number.EPSILON){direction_eq=true;}}else{if(v_prev_x<-Number.EPSILON){if(v_next_x<-Number.EPSILON){direction_eq=true;}}else{if(Math.sign(v_prev_y)===Math.sign(v_next_y)){direction_eq=true;}}}if(direction_eq){// console.log("Warning: lines are a straight sequence");
1548v_trans_x=-v_prev_y;v_trans_y=v_prev_x;shrink_by=Math.sqrt(v_prev_lensq);}else{// console.log("Warning: lines are a straight spike");
1549v_trans_x=v_prev_x;v_trans_y=v_prev_y;shrink_by=Math.sqrt(v_prev_lensq/2);}}return new Vector2(v_trans_x/shrink_by,v_trans_y/shrink_by);}var contourMovements=[];for(var _i61=0,il=contour.length,j=il-1,k=_i61+1;_i61<il;_i61++,j++,k++){if(j===il)j=0;if(k===il)k=0;//	(j)---(i)---(k)
1550// console.log('i,j,k', i, j , k)
1551contourMovements[_i61]=getBevelVec(contour[_i61],contour[j],contour[k]);}var holesMovements=[];var oneHoleMovements,verticesMovements=contourMovements.concat();for(var _h2=0,_hl2=holes.length;_h2<_hl2;_h2++){var _ahole2=holes[_h2];oneHoleMovements=[];for(var _i62=0,_il13=_ahole2.length,_j8=_il13-1,_k=_i62+1;_i62<_il13;_i62++,_j8++,_k++){if(_j8===_il13)_j8=0;if(_k===_il13)_k=0;//	(j)---(i)---(k)
1552oneHoleMovements[_i62]=getBevelVec(_ahole2[_i62],_ahole2[_j8],_ahole2[_k]);}holesMovements.push(oneHoleMovements);verticesMovements=verticesMovements.concat(oneHoleMovements);}// Loop bevelSegments, 1 for the front, 1 for the back
1553for(var b=0;b<bevelSegments;b++){//for ( b = bevelSegments; b > 0; b -- ) {
1554var t=b/bevelSegments;var z=bevelThickness*Math.cos(t*Math.PI/2);var _bs=bevelSize*Math.sin(t*Math.PI/2)+bevelOffset;// contract shape
1555for(var _i63=0,_il14=contour.length;_i63<_il14;_i63++){var vert=scalePt2(contour[_i63],contourMovements[_i63],_bs);v(vert.x,vert.y,-z);}// expand holes
1556for(var _h3=0,_hl3=holes.length;_h3<_hl3;_h3++){var _ahole3=holes[_h3];oneHoleMovements=holesMovements[_h3];for(var _i64=0,_il15=_ahole3.length;_i64<_il15;_i64++){var _vert=scalePt2(_ahole3[_i64],oneHoleMovements[_i64],_bs);v(_vert.x,_vert.y,-z);}}}var bs=bevelSize+bevelOffset;// Back facing vertices
1557for(var _i65=0;_i65<vlen;_i65++){var _vert2=bevelEnabled?scalePt2(vertices[_i65],verticesMovements[_i65],bs):vertices[_i65];if(!extrudeByPath){v(_vert2.x,_vert2.y,0);}else{// v( vert.x, vert.y + extrudePts[ 0 ].y, extrudePts[ 0 ].x );
1558normal.copy(splineTube.normals[0]).multiplyScalar(_vert2.x);binormal.copy(splineTube.binormals[0]).multiplyScalar(_vert2.y);position2.copy(extrudePts[0]).add(normal).add(binormal);v(position2.x,position2.y,position2.z);}}// Add stepped vertices...
1559// Including front facing vertices
1560for(var s=1;s<=steps;s++){for(var _i66=0;_i66<vlen;_i66++){var _vert3=bevelEnabled?scalePt2(vertices[_i66],verticesMovements[_i66],bs):vertices[_i66];if(!extrudeByPath){v(_vert3.x,_vert3.y,depth/steps*s);}else{// v( vert.x, vert.y + extrudePts[ s - 1 ].y, extrudePts[ s - 1 ].x );
1561normal.copy(splineTube.normals[s]).multiplyScalar(_vert3.x);binormal.copy(splineTube.binormals[s]).multiplyScalar(_vert3.y);position2.copy(extrudePts[s]).add(normal).add(binormal);v(position2.x,position2.y,position2.z);}}}

1561// Add bevel segments planes
1562//for ( b = 1; b <= bevelSegments; b ++ ) {
1563for(var _b5=bevelSegments-1;_b5>=0;_b5--){var _t=_b5/bevelSegments;var _z2=bevelThickness*Math.cos(_t*Math.PI/2);var _bs2=bevelSize*Math.sin(_t*Math.PI/2)+bevelOffset;// contract shape
1564for(var _i67=0,_il16=contour.length;_i67<_il16;_i67++){var _vert4=scalePt2(contour[_i67],contourMovements[_i67],_bs2);v(_vert4.x,_vert4.y,depth+_z2);}// expand holes
1565for(var _h4=0,_hl4=holes.length;_h4<_hl4;_h4++){var _ahole4=holes[_h4];oneHoleMovements=holesMovements[_h4];for(var _i68=0,_il17=_ahole4.length;_i68<_il17;_i68++){var _vert5=scalePt2(_ahole4[_i68],oneHoleMovements[_i68],_bs2);if(!extrudeByPath){v(_vert5.x,_vert5.y,depth+_z2);}else{v(_vert5.x,_vert5.y+extrudePts[steps-1].y,extrudePts[steps-1].x+_z2);}}}}/* Faces */ // Top and bottom faces
1566buildLidFaces();// Sides faces
1567buildSideFaces();/////	Internal functions
1568function buildLidFaces(){var start=verticesArray.length/3;if(bevelEnabled){var layer=0;// steps + 1
1569var offset=vlen*layer;// Bottom faces
1570for(var _i69=0;_i69<flen;_i69++){var face=faces[_i69];f3(face[2]+offset,face[1]+offset,face[0]+offset);}layer=steps+bevelSegments*2;offset=vlen*layer;// Top faces
1571for(var _i70=0;_i70<flen;_i70++){var _face=faces[_i70];f3(_face[0]+offset,_face[1]+offset,_face[2]+offset);}}else{// Bottom faces
1572for(var _i71=0;_i71<flen;_i71++){var _face2=faces[_i71];f3(_face2[2],_face2[1],_face2[0]);}// Top faces
1573for(var _i72=0;_i72<flen;_i72++){var _face3=faces[_i72];f3(_face3[0]+vlen*steps,_face3[1]+vlen*steps,_face3[2]+vlen*steps);}}scope.addGroup(start,verticesArray.length/3-start,0);}// Create faces for the z-sides of the shape
1574function buildSideFaces(){var start=verticesArray.length/3;var layeroffset=0;sidewalls(contour,layeroffset);layeroffset+=contour.length;for(var _h5=0,_hl5=holes.length;_h5<_hl5;_h5++){var _ahole5=holes[_h5];sidewalls(_ahole5,layeroffset);//, true
1575layeroffset+=_ahole5.length;}scope.addGroup(start,verticesArray.length/3-start,1);}function sidewalls(contour,layeroffset){var i=contour.length;while(--i>=0){var _j9=i;var _k2=i-1;if(_k2<0)_k2=contour.length-1;//console.log('b', i,j, i-1, k,vertices.length);
1576for(var _s4=0,sl=steps+bevelSegments*2;_s4<sl;_s4++){var slen1=vlen*_s4;var slen2=vlen*(_s4+1);var a=layeroffset+_j9+slen1,_b6=layeroffset+_k2+slen1,c=layeroffset+_k2+slen2,d=layeroffset+_j9+slen2;f4(a,_b6,c,d);}}}function v(x,y,z){placeholder.push(x);placeholder.push(y);placeholder.push(z);}function f3(a,b,c){addVertex(a);addVertex(b);addVertex(c);var nextIndex=verticesArray.length/3;var uvs=uvgen.generateTopUV(scope,verticesArray,nextIndex-3,nextIndex-2,nextIndex-1);addUV(uvs[0]);addUV(uvs[1]);addUV(uvs[2]);}function f4(a,b,c,d){addVertex(a);addVertex(b);addVertex(d);addVertex(b);addVertex(c);addVertex(d);var nextIndex=verticesArray.length/3;var uvs=uvgen.generateSideWallUV(scope,verticesArray,nextIndex-6,nextIndex-3,nextIndex-2,nextIndex-1);addUV(uvs[0]);addUV(uvs[1]);addUV(uvs[3]);addUV(uvs[1]);addUV(uvs[2]);addUV(uvs[3]);}function addVertex(index){verticesArray.push(placeholder[index*3+0]);verticesArray.push(placeholder[index*3+1]);verticesArray.push(placeholder[index*3+2]);}function addUV(vector2){uvArray.push(vector2.x);uvArray.push(vector2.y);}}return _this70;}_createClass(ExtrudeGeometry,[{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(ExtrudeGeometry.prototype),"toJSON",this).call(this);var shapes=this.parameters.shapes;var options=this.parameters.options;return toJSON$1(shapes,options,data);}}],[{key:"fromJSON",value:function fromJSON(data,shapes){var geometryShapes=[];for(var j=0,jl=data.shapes.length;j<jl;j++){var shape=shapes[data.shapes[j]];geometryShapes.push(shape);}var extrudePath=data.options.extrudePath;if(extrudePath!==undefined){data.options.extrudePath=new Curves[extrudePath.type]().fromJSON(extrudePath);}return new ExtrudeGeometry(geometryShapes,data.options);}}]);return ExtrudeGeometry;}(BufferGeometry);var WorldUVGenerator={generateTopUV:function generateTopUV(geometry,vertices,indexA,indexB,indexC){var a_x=vertices[indexA*3];

1576var a_y=vertices[indexA*3+1];var b_x=vertices[indexB*3];var b_y=vertices[indexB*3+1];var c_x=vertices[indexC*3];var c_y=vertices[indexC*3+1];return[new Vector2(a_x,a_y),new Vector2(b_x,b_y),new Vector2(c_x,c_y)];},generateSideWallUV:function generateSideWallUV(geometry,vertices,indexA,indexB,indexC,indexD){var a_x=vertices[indexA*3];var a_y=vertices[indexA*3+1];var a_z=vertices[indexA*3+2];var b_x=vertices[indexB*3];var b_y=vertices[indexB*3+1];var b_z=vertices[indexB*3+2];var c_x=vertices[indexC*3];var c_y=vertices[indexC*3+1];var c_z=vertices[indexC*3+2];var d_x=vertices[indexD*3];var d_y=vertices[indexD*3+1];var d_z=vertices[indexD*3+2];if(Math.abs(a_y-b_y)<Math.abs(a_x-b_x)){return[new Vector2(a_x,1-a_z),new Vector2(b_x,1-b_z),new Vector2(c_x,1-c_z),new Vector2(d_x,1-d_z)];}else{return[new Vector2(a_y,1-a_z),new Vector2(b_y,1-b_z),new Vector2(c_y,1-c_z),new Vector2(d_y,1-d_z)];}}};function toJSON$1(shapes,options,data){data.shapes=[];if(Array.isArray(shapes)){for(var i=0,l=shapes.length;i<l;i++){var shape=shapes[i];data.shapes.push(shape.uuid);}}else{data.shapes.push(shapes.uuid);}data.options=Object.assign({},options);if(options.extrudePath!==undefined)data.options.extrudePath=options.extrudePath.toJSON();return data;}var IcosahedronGeometry=/*#__PURE__*/function(_PolyhedronGeometry2){_inherits(IcosahedronGeometry,_PolyhedronGeometry2);var _super80=_createSuper(IcosahedronGeometry);function IcosahedronGeometry(){var _this71;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var detail=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;_classCallCheck(this,IcosahedronGeometry);var t=(1+Math.sqrt(5))/2;var vertices=[-1,t,0,1,t,0,-1,-t,0,1,-t,0,0,-1,t,0,1,t,0,-1,-t,0,1,-t,t,0,-1,t,0,1,-t,0,-1,-t,0,1];var indices=[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1];_this71=_super80.call(this,vertices,indices,radius,detail);_this71.type='IcosahedronGeometry';_this71.parameters={radius:radius,detail:detail};return _this71;}_createClass(IcosahedronGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new IcosahedronGeometry(data.radius,data.detail);}}]);return IcosahedronGeometry;}(PolyhedronGeometry);var OctahedronGeometry=/*#__PURE__*/function(_PolyhedronGeometry3){_inherits(OctahedronGeometry,_PolyhedronGeometry3);var _super81=_createSuper(OctahedronGeometry);function OctahedronGeometry(){var _this72;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var detail=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;_classCallCheck(this,OctahedronGeometry);var vertices=[1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1];var indices=[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2];_this72=_super81.call(this,vertices,indices,radius,detail);_this72.type='OctahedronGeometry';_this72.parameters={radius:radius,detail:detail};return _this72;}_createClass(OctahedronGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new OctahedronGeometry(data.radius,data.detail);}}]);return OctahedronGeometry;}(PolyhedronGeometry);var RingGeometry=/*#__PURE__*/function(_BufferGeometry9){_inherits(RingGeometry,_BufferGeometry9);var _super82=_createSuper(RingGeometry);function RingGeometry(){var _this73;var innerRadius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0.5;var outerRadius=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;var thetaSegments=arguments.length>2&&arguments[2]!==undefined?arguments[2]:8;var phiSegments=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;var thetaStart=arguments.length>4&&arguments[4]!==undefined?arguments[4]:0;var thetaLength=arguments.length>5&&arguments[5]!==undefined?arguments[5]:Math.PI*2;_classCallCheck(this,RingGeometry);_this73=_super82.call(this);_this73.type='RingGeometry';_this73.parameters={innerRadius:innerRadius,outerRadius:outerRadius,thetaSegments:thetaSegments,phiSegments:phiSegments,thetaStart:thetaStart,thetaLength:thetaLength};thetaSegments=Math.max(3,thetaSegments);phiSegments=Math.max(1,phiSegments);// buffers
1577var indices=[];var vertices=[];var normals=[];var uvs=[];

1577// some helper variables
1578var radius=innerRadius;var radiusStep=(outerRadius-innerRadius)/phiSegments;var vertex=new Vector3();var uv=new Vector2();// generate vertices, normals and uvs
1579for(var j=0;j<=phiSegments;j++){for(var i=0;i<=thetaSegments;i++){// values are generate from the inside of the ring to the outside
1580var segment=thetaStart+i/thetaSegments*thetaLength;// vertex
1581vertex.x=radius*Math.cos(segment);vertex.y=radius*Math.sin(segment);vertices.push(vertex.x,vertex.y,vertex.z);// normal
1582normals.push(0,0,1);// uv
1583uv.x=(vertex.x/outerRadius+1)/2;uv.y=(vertex.y/outerRadius+1)/2;uvs.push(uv.x,uv.y);}// increase the radius for next row of vertices
1584radius+=radiusStep;}// indices
1585for(var _j10=0;_j10<phiSegments;_j10++){var thetaSegmentLevel=_j10*(thetaSegments+1);for(var _i73=0;_i73<thetaSegments;_i73++){var _segment=_i73+thetaSegmentLevel;var a=_segment;var b=_segment+thetaSegments+1;var c=_segment+thetaSegments+2;var d=_segment+1;// faces
1586indices.push(a,b,d);indices.push(b,c,d);}}// build geometry
1587_this73.setIndex(indices);_this73.setAttribute('position',new Float32BufferAttribute(vertices,3));_this73.setAttribute('normal',new Float32BufferAttribute(normals,3));_this73.setAttribute('uv',new Float32BufferAttribute(uvs,2));return _this73;}_createClass(RingGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new RingGeometry(data.innerRadius,data.outerRadius,data.thetaSegments,data.phiSegments,data.thetaStart,data.thetaLength);}}]);return RingGeometry;}(BufferGeometry);var ShapeGeometry=/*#__PURE__*/function(_BufferGeometry10){_inherits(ShapeGeometry,_BufferGeometry10);var _super83=_createSuper(ShapeGeometry);function ShapeGeometry(){var _this74;var shapes=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Shape([new Vector2(0,0.5),new Vector2(-0.5,-0.5),new Vector2(0.5,-0.5)]);var curveSegments=arguments.length>1&&arguments[1]!==undefined?arguments[1]:12;_classCallCheck(this,ShapeGeometry);_this74=_super83.call(this);_this74.type='ShapeGeometry';_this74.parameters={shapes:shapes,curveSegments:curveSegments};// buffers
1588var indices=[];var vertices=[];var normals=[];var uvs=[];// helper variables
1589var groupStart=0;var groupCount=0;// allow single and array values for "shapes" parameter
1590if(Array.isArray(shapes)===false){addShape(shapes);}else{for(var i=0;i<shapes.length;i++){addShape(shapes[i]);_this74.addGroup(groupStart,groupCount,i);// enables MultiMaterial support
1591groupStart+=groupCount;groupCount=0;}}// build geometry
1592_this74.setIndex(indices);_this74.setAttribute('position',new Float32BufferAttribute(vertices,3));_this74.setAttribute('normal',new Float32BufferAttribute(normals,3));_this74.setAttribute('uv',new Float32BufferAttribute(uvs,2));// helper functions
1593function addShape(shape){var indexOffset=vertices.length/3;var points=shape.extractPoints(curveSegments);var shapeVertices=points.shape;var shapeHoles=points.holes;// check direction of vertices
1594if(ShapeUtils.isClockWise(shapeVertices)===false){shapeVertices=shapeVertices.reverse();}for(var _i74=0,l=shapeHoles.length;_i74<l;_i74++){var shapeHole=shapeHoles[_i74];if(ShapeUtils.isClockWise(shapeHole)===true){shapeHoles[_i74]=shapeHole.reverse();}}var faces=ShapeUtils.triangulateShape(shapeVertices,shapeHoles);// join vertices of inner and outer paths to a single array
1595for(var _i75=0,_l8=shapeHoles.length;_i75<_l8;_i75++){var _shapeHole=shapeHoles[_i75];shapeVertices=shapeVertices.concat(_shapeHole);}// vertices, normals, uvs
1596for(var _i76=0,_l9=shapeVertices.length;_i76<_l9;_i76++){var _vertex=shapeVertices[_i76];vertices.push(_vertex.x,_vertex.y,0);normals.push(0,0,1);uvs.push(_vertex.x,_vertex.y);// world uvs
1597}// incides
1598for(var _i77=0,_l10=faces.length;_i77<_l10;_i77++){var face=faces[_i77];var a=face[0]+indexOffset;var b=face[1]+indexOffset;var c=face[2]+indexOffset;indices.push(a,b,c);groupCount+=3;}}return _this74;}_createClass(ShapeGeometry,[{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(ShapeGeometry.prototype),"toJSON",this).call(this);var shapes=this.parameters.shapes;return _toJSON(shapes,data);}}],[{key:"fromJSON",value:function fromJSON(data,shapes){var geometryShapes=[];for(var j=0,jl=data.shapes.length;j<jl;j++){var shape=shapes[data.shapes[j]];geometryShapes.push(shape);}return new ShapeGeometry(geometryShapes,data.curveSegments);}}]);return ShapeGeometry;}(BufferGeometry);function _toJSON(shapes,data){data.shapes=[];if(Array.isArray(shapes)){for(var i=0,l=shapes.length;i<l;i++){var shape=shapes[i];data.shapes.push(shape.uuid);}}else{data.shapes.push(shapes.uuid);}return data;}var SphereGeometry=/*#__PURE__*/function(_BufferGeometry11){_inherits(SphereGeometry,_BufferGeometry11);var _super84=_createSuper(SphereGeometry);function SphereGeometry(){var _this75;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var widthSegments=arguments.length>1&&arguments[1]!==undefined?arguments[1]:32;var heightSegments=arguments.length>2&&arguments[2]!==undefined?arguments[2]:16;var phiStart=arguments.length>3&&arguments[3]!==undefined?arguments[3]:0;var phiLength=arguments.length>

15984&&arguments[4]!==undefined?arguments[4]:Math.PI*2;var thetaStart=arguments.length>5&&arguments[5]!==undefined?arguments[5]:0;var thetaLength=arguments.length>6&&arguments[6]!==undefined?arguments[6]:Math.PI;_classCallCheck(this,SphereGeometry);_this75=_super84.call(this);_this75.type='SphereGeometry';_this75.parameters={radius:radius,widthSegments:widthSegments,heightSegments:heightSegments,phiStart:phiStart,phiLength:phiLength,thetaStart:thetaStart,thetaLength:thetaLength};widthSegments=Math.max(3,Math.floor(widthSegments));heightSegments=Math.max(2,Math.floor(heightSegments));var thetaEnd=Math.min(thetaStart+thetaLength,Math.PI);var index=0;var grid=[];var vertex=new Vector3();var normal=new Vector3();// buffers
1599var indices=[];var vertices=[];var normals=[];var uvs=[];// generate vertices, normals and uvs
1600for(var iy=0;iy<=heightSegments;iy++){var verticesRow=[];var v=iy/heightSegments;// special case for the poles
1601var uOffset=0;if(iy==0&&thetaStart==0){uOffset=0.5/widthSegments;}else if(iy==heightSegments&&thetaEnd==Math.PI){uOffset=-0.5/widthSegments;}for(var ix=0;ix<=widthSegments;ix++){var u=ix/widthSegments;// vertex
1602vertex.x=-radius*Math.cos(phiStart+u*phiLength)*Math.sin(thetaStart+v*thetaLength);vertex.y=radius*Math.cos(thetaStart+v*thetaLength);vertex.z=radius*Math.sin(phiStart+u*phiLength)*Math.sin(thetaStart+v*thetaLength);vertices.push(vertex.x,vertex.y,vertex.z);// normal
1603normal.copy(vertex).normalize();normals.push(normal.x,normal.y,normal.z);// uv
1604uvs.push(u+uOffset,1-v);verticesRow.push(index++);}grid.push(verticesRow);}// indices
1605for(var _iy3=0;_iy3<heightSegments;_iy3++){for(var _ix3=0;_ix3<widthSegments;_ix3++){var a=grid[_iy3][_ix3+1];var b=grid[_iy3][_ix3];var c=grid[_iy3+1][_ix3];var d=grid[_iy3+1][_ix3+1];if(_iy3!==0||thetaStart>0)indices.push(a,b,d);if(_iy3!==heightSegments-1||thetaEnd<Math.PI)indices.push(b,c,d);}}// build geometry
1606_this75.setIndex(indices);_this75.setAttribute('position',new Float32BufferAttribute(vertices,3));_this75.setAttribute('normal',new Float32BufferAttribute(normals,3));_this75.setAttribute('uv',new Float32BufferAttribute(uvs,2));return _this75;}_createClass(SphereGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new SphereGeometry(data.radius,data.widthSegments,data.heightSegments,data.phiStart,data.phiLength,data.thetaStart,data.thetaLength);}}]);return SphereGeometry;}(BufferGeometry);var TetrahedronGeometry=/*#__PURE__*/function(_PolyhedronGeometry4){_inherits(TetrahedronGeometry,_PolyhedronGeometry4);var _super85=_createSuper(TetrahedronGeometry);function TetrahedronGeometry(){var _this76;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var detail=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;_classCallCheck(this,TetrahedronGeometry);var vertices=[1,1,1,-1,-1,1,-1,1,-1,1,-1,-1];var indices=[2,1,0,0,3,2,1,3,0,2,3,1];_this76=_super85.call(this,vertices,indices,radius,detail);_this76.type='TetrahedronGeometry';_this76.parameters={radius:radius,detail:detail};return _this76;}_createClass(TetrahedronGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new TetrahedronGeometry(data.radius,data.detail);}}]);return TetrahedronGeometry;}(PolyhedronGeometry);var TorusGeometry=/*#__PURE__*/function(_BufferGeometry12){_inherits(TorusGeometry,_BufferGeometry12);var _super86=_createSuper(TorusGeometry);function TorusGeometry(){var _this77;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var tube=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0.4;var radialSegments=arguments.length>2&&arguments[2]!==undefined?arguments[2]:8;var tubularSegments=arguments.length>3&&arguments[3]!==undefined?arguments[3]:6;var arc=arguments.length>4&&arguments[4]!==undefined?arguments[4]:Math.PI*2;_classCallCheck(this,TorusGeometry);_this77=_super86.call(this);_this77.type='TorusGeometry';_this77.parameters={radius:radius,tube:tube,radialSegments:radialSegments,tubularSegments:tubularSegments,arc:arc};radialSegments=Math.floor(radialSegments);tubularSegments=Math.floor(tubularSegments);// buffers
1607var indices=[];var vertices=[];var normals=[];var uvs=[];// helper variables
1608var center=new Vector3();var vertex=new Vector3();var normal=new Vector3();// generate vertices, normals and uvs
1609for(var j=0;j<=radialSegments;j++){for(var i=0;i<=tubularSegments;i++){var u=i/tubularSegments*arc;var v=j/radialSegments*Math.PI*2;// vertex
1610vertex.x=(radius+tube*Math.cos(v))*Math.cos(u);vertex.y=(radius+tube*Math.cos(v))*Math.sin(u);vertex.z=tube*Math.sin(v);vertices.push(vertex.x,vertex.y,vertex.z);// normal
1611center.x=radius*Math.cos(u);center.y=radius*Math.sin(u);normal.subVectors(vertex,center).normalize();normals.push(normal.x,normal.y,normal.z);// uv
1612uvs.push(i/tubularSegments);uvs.push(j/radialSegments);}}// generate indices
1613for(var _j11=1;_j11<=radialSegments;_j11++){for(var _i78=1;_i78<=tubularSegments;_i78++){// indices
1614var a=(tubularSegments+1)*_j11+_i78-1;var b=(tubularSegments+1)*(_j11-1)+_i78-1;var c=(tubularSegments+1)*(_j11-1)+_i78;var d=(tubularSegments+1)*_j11+_i78;// faces
1615indices.push(a,b,d);indices.push(b,c,d);}}// build geometry
1616_this77.setIndex(indices);_this77.setAttribute('position',new Float32BufferAttribute(vertices,3));_this77.setAttribute('normal',new Float32BufferAttribute(normals,3));_this77.setAttribute('uv',new Float32BufferAttribute(uvs,2));return _this77;}_createClass(TorusGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new TorusGeometry(data.radius,data.tube,data.radialSegments,data.tubularSegments,data.arc);}}]);return TorusGeometry;}(BufferGeometry);var TorusKnotGeometry=/*#__PURE__*/function(_BufferGeometry13){_inherits(TorusKnotGeometry,_BufferGeometry13);var _super87=_createSuper(TorusKnotGeometry);function TorusKnotGeometry(){var _this78;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var tube=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0.4;var tubularSegments=arguments.length>2&&arguments[2]!==undefined?arguments[2]:64;var radialSegments=arguments.length>3&&arguments[3]!==undefined?arguments[3]:8;var p=arguments.length>

16164&&arguments[4]!==undefined?arguments[4]:2;var q=arguments.length>5&&arguments[5]!==undefined?arguments[5]:3;_classCallCheck(this,TorusKnotGeometry);_this78=_super87.call(this);_this78.type='TorusKnotGeometry';_this78.parameters={radius:radius,tube:tube,tubularSegments:tubularSegments,radialSegments:radialSegments,p:p,q:q};tubularSegments=Math.floor(tubularSegments);radialSegments=Math.floor(radialSegments);// buffers
1617var indices=[];var vertices=[];var normals=[];var uvs=[];// helper variables
1618var vertex=new Vector3();var normal=new Vector3();var P1=new Vector3();var P2=new Vector3();var B=new Vector3();var T=new Vector3();var N=new Vector3();// generate vertices, normals and uvs
1619for(var i=0;i<=tubularSegments;++i){// the radian "u" is used to calculate the position on the torus curve of the current tubular segment
1620var u=i/tubularSegments*p*Math.PI*2;// now we calculate two points. P1 is our current position on the curve, P2 is a little farther ahead.
1621// these points are used to create a special "coordinate space", which is necessary to calculate the correct vertex positions
1622calculatePositionOnCurve(u,p,q,radius,P1);calculatePositionOnCurve(u+0.01,p,q,radius,P2);// calculate orthonormal basis
1623T.subVectors(P2,P1);N.addVectors(P2,P1);B.crossVectors(T,N);N.crossVectors(B,T);// normalize B, N. T can be ignored, we don't use it
1624B.normalize();N.normalize();for(var j=0;j<=radialSegments;++j){// now calculate the vertices. they are nothing more than an extrusion of the torus curve.
1625// because we extrude a shape in the xy-plane, there is no need to calculate a z-value.
1626var v=j/radialSegments*Math.PI*2;var cx=-tube*Math.cos(v);var cy=tube*Math.sin(v);// now calculate the final vertex position.
1627// first we orient the extrusion with our basis vectors, then we add it to the current position on the curve
1628vertex.x=P1.x+(cx*N.x+cy*B.x);vertex.y=P1.y+(cx*N.y+cy*B.y);vertex.z=P1.z+(cx*N.z+cy*B.z);vertices.push(vertex.x,vertex.y,vertex.z);// normal (P1 is always the center/origin of the extrusion, thus we can use it to calculate the normal)
1629normal.subVectors(vertex,P1).normalize();normals.push(normal.x,normal.y,normal.z);// uv
1630uvs.push(i/tubularSegments);uvs.push(j/radialSegments);}}// generate indices
1631for(var _j12=1;_j12<=tubularSegments;_j12++){for(var _i79=1;_i79<=radialSegments;_i79++){// indices
1632var a=(radialSegments+1)*(_j12-1)+(_i79-1);var b=(radialSegments+1)*_j12+(_i79-1);var c=(radialSegments+1)*_j12+_i79;var d=(radialSegments+1)*(_j12-1)+_i79;// faces
1633indices.push(a,b,d);indices.push(b,c,d);}}// build geometry
1634_this78.setIndex(indices);_this78.setAttribute('position',new Float32BufferAttribute(vertices,3));_this78.setAttribute('normal',new Float32BufferAttribute(normals,3));_this78.setAttribute('uv',new Float32BufferAttribute(uvs,2));// this function calculates the current position on the torus curve
1635function calculatePositionOnCurve(u,p,q,radius,position){var cu=Math.cos(u);var su=Math.sin(u);var quOverP=q/p*u;var cs=Math.cos(quOverP);position.x=radius*(2+cs)*0.5*cu;position.y=radius*(2+cs)*su*0.5;position.z=radius*Math.sin(quOverP)*0.5;}return _this78;}_createClass(TorusKnotGeometry,null,[{key:"fromJSON",value:function fromJSON(data){return new TorusKnotGeometry(data.radius,data.tube,data.tubularSegments,data.radialSegments,data.p,data.q);}}]);return TorusKnotGeometry;}(BufferGeometry);var TubeGeometry=/*#__PURE__*/function(_BufferGeometry14){_inherits(TubeGeometry,_BufferGeometry14);var _super88=_createSuper(TubeGeometry);function TubeGeometry(){var _this79;var path=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new QuadraticBezierCurve3(new Vector3(-1,-1,0),new Vector3(-1,1,0),new Vector3(1,1,0));var tubularSegments=arguments.length>1&&arguments[1]!==undefined?arguments[1]:64;var radius=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;var radialSegments=arguments.length>3&&arguments[3]!==undefined?arguments[3]:8;var closed=arguments.length>4&&arguments[4]!==undefined?arguments[4]:false;_classCallCheck(this,TubeGeometry);_this79=_super88.call(this);_this79.type='TubeGeometry';_this79.parameters={path:path,tubularSegments:tubularSegments,radius:radius,radialSegments:radialSegments,closed:closed};var frames=path.computeFrenetFrames(tubularSegments,closed);// expose internals
1636_this79.tangents=frames.tangents;_this79.normals=frames.normals;_this79.binormals=frames.binormals;// helper variables
1637var vertex=new Vector3();var normal=new Vector3();var uv=new Vector2();var P=new Vector3();// buffer
1638var vertices=[];var normals=[];var uvs=[];var indices=[];// create buffer data
1639generateBufferData();// build geometry
1640_this79.setIndex(indices);_this79.setAttribute('position',new Float32BufferAttribute(vertices,3));_this79.setAttribute('normal',new Float32BufferAttribute(normals,3));_this79.setAttribute('uv',new Float32BufferAttribute(uvs,2));// functions
1641function generateBufferData(){for(var i=0;i<tubularSegments;i++){generateSegment(i);}// if the geometry is not closed, generate the last row of vertices and normals
1642// at the regular position on the given path
1643//
1644// if the geometry is closed, duplicate the first row of vertices and normals (uvs will differ)
1645generateSegment(closed===false?tubularSegments:0);// uvs are generated in a separate function.
1646// this makes it easy compute correct values for closed geometries
1647generateUVs();// finally create faces
1648generateIndices();}function generateSegment(i){// we use getPointAt to sample evenly distributed points from the given path
1649P=path.getPointAt(i/tubularSegments,P);// retrieve corresponding normal and binormal
1650var N=frames.normals[i];var B=frames.binormals[i];// generate normals and vertices for the current segment
1651for(var j=0;j<=radialSegments;j++){var v=j/radialSegments*Math.PI*2;var sin=Math.sin(v);var cos=-Math.cos(v);// normal
1652normal.x=cos*N.x+sin*B.x;normal.y=cos*N.y+sin*B.y;normal.z=cos*N.z+sin*B.z;normal.normalize();normals.push(normal.x,normal.y,normal.z);// vertex
1653vertex.x=P.x+radius*normal.x;vertex.y=P.y+radius*normal.y;vertex.z=P.z+radius*normal.z;vertices.push(vertex.x,vertex.y,vertex.z);}}function generateIndices(){for(var j=1;j<=tubularSegments;j++){for(var i=1;i<=radialSegments;i++){var a=(radialSegments+1)*(j-1)+(i-1);var b=(radialSegments+1)*j+(i-1);var c=(radialSegments+1)*j+i;var d=(radialSegments+1)*(j-1)+i;// faces
1654indices.push(a,b,d);indices.push(b,c,d);}}}function generateUVs(){for(var i=0;i<=tubularSegments;i++){for(var j=0;j<=radialSegments;j++){uv.x=i/tubularSegments;uv.y=j/radialSegments;uvs.push(uv.x,uv.y);}}}return _this79;}_createClass(TubeGeometry,[{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(TubeGeometry.prototype),"toJSON",this).call(this);data.path=this.parameters.path.toJSON();return data;}}],[{key:"fromJSON",value:function fromJSON(data){// This only works for built-in curves (e.g. CatmullRomCurve3).
1655// User defined curves or instances of CurvePath will not be deserialized.
1656return new TubeGeometry(new Curves[data.path.type]().fromJSON(data.path),data.tubularSegments,data.radius,data.radialSegments,data.closed);}}]);return TubeGeometry;}(BufferGeometry);var WireframeGeometry=/*#__PURE__*/function(_BufferGeometry15){_inherits(WireframeGeometry,_BufferGeometry15);var _super89=_createSuper(WireframeGeometry);function WireframeGeometry(){var _this80;var geometry=arguments.length>0&&arguments[0]!==undefined?arguments[0]:null;_classCallCheck(this,WireframeGeometry);_this80=_super89.call(this);_this80.type='WireframeGeometry';_this80.parameters={geometry:geometry};if(geometry!==null){// buffer
1657var vertices=[];var edges=new Set();// helper variables
1658var start=new Vector3();var end=new Vector3();if(geometry.index!==null){// indexed BufferGeometry
1659var position=geometry.attributes.position;var indices=geometry.index;var groups=geometry.groups;if(groups.length===0){groups=[{start:0,count:indices.count,materialIndex:0}];}// create a data structure that contains all edges without duplicates
1660for(var o=0,ol=groups.length;o<ol;++o){var group=groups[o];var groupStart=group.start;var groupCount=group.count;for(var i=groupStart,l=groupStart+groupCount;i<l;i+=3){for(var j=0;j<3;j++){var index1=indices.getX(i+j);var index2=indices.getX(i+(j+1)%3);

1660start.fromBufferAttribute(position,index1);end.fromBufferAttribute(position,index2);if(isUniqueEdge(start,end,edges)===true){vertices.push(start.x,start.y,start.z);vertices.push(end.x,end.y,end.z);}}}}}else{// non-indexed BufferGeometry
1661var _position2=geometry.attributes.position;for(var _i80=0,_l11=_position2.count/3;_i80<_l11;_i80++){for(var _j13=0;_j13<3;_j13++){// three edges per triangle, an edge is represented as (index1, index2)
1662// e.g. the first triangle has the following edges: (0,1),(1,2),(2,0)
1663var _index=3*_i80+_j13;var _index2=3*_i80+(_j13+1)%3;start.fromBufferAttribute(_position2,_index);end.fromBufferAttribute(_position2,_index2);if(isUniqueEdge(start,end,edges)===true){vertices.push(start.x,start.y,start.z);vertices.push(end.x,end.y,end.z);}}}}// build geometry
1664_this80.setAttribute('position',new Float32BufferAttribute(vertices,3));}return _this80;}return _createClass(WireframeGeometry);}(BufferGeometry);function isUniqueEdge(start,end,edges){var hash1="".concat(start.x,",").concat(start.y,",").concat(start.z,"-").concat(end.x,",").concat(end.y,",").concat(end.z);var hash2="".concat(end.x,",").concat(end.y,",").concat(end.z,"-").concat(start.x,",").concat(start.y,",").concat(start.z);// coincident edge
1665if(edges.has(hash1)===true||edges.has(hash2)===true){return false;}else{edges.add(hash1);edges.add(hash2);return true;}}var Geometries=/*#__PURE__*/Object.freeze({__proto__:null,BoxGeometry:BoxGeometry,BoxBufferGeometry:BoxGeometry,CapsuleGeometry:CapsuleGeometry,CapsuleBufferGeometry:CapsuleGeometry,CircleGeometry:CircleGeometry,CircleBufferGeometry:CircleGeometry,ConeGeometry:ConeGeometry,ConeBufferGeometry:ConeGeometry,CylinderGeometry:CylinderGeometry,CylinderBufferGeometry:CylinderGeometry,DodecahedronGeometry:DodecahedronGeometry,DodecahedronBufferGeometry:DodecahedronGeometry,EdgesGeometry:EdgesGeometry,ExtrudeGeometry:ExtrudeGeometry,ExtrudeBufferGeometry:ExtrudeGeometry,IcosahedronGeometry:IcosahedronGeometry,IcosahedronBufferGeometry:IcosahedronGeometry,LatheGeometry:LatheGeometry,LatheBufferGeometry:LatheGeometry,OctahedronGeometry:OctahedronGeometry,OctahedronBufferGeometry:OctahedronGeometry,PlaneGeometry:PlaneGeometry,PlaneBufferGeometry:PlaneGeometry,PolyhedronGeometry:PolyhedronGeometry,PolyhedronBufferGeometry:PolyhedronGeometry,RingGeometry:RingGeometry,RingBufferGeometry:RingGeometry,ShapeGeometry:ShapeGeometry,ShapeBufferGeometry:ShapeGeometry,SphereGeometry:SphereGeometry,SphereBufferGeometry:SphereGeometry,TetrahedronGeometry:TetrahedronGeometry,TetrahedronBufferGeometry:TetrahedronGeometry,TorusGeometry:TorusGeometry,TorusBufferGeometry:TorusGeometry,TorusKnotGeometry:TorusKnotGeometry,TorusKnotBufferGeometry:TorusKnotGeometry,TubeGeometry:TubeGeometry,TubeBufferGeometry:TubeGeometry,WireframeGeometry:WireframeGeometry});var ShadowMaterial=/*#__PURE__*/function(_Material8){_inherits(ShadowMaterial,_Material8);var _super90=_createSuper(ShadowMaterial);function ShadowMaterial(parameters){var _this81;_classCallCheck(this,ShadowMaterial);_this81=_super90.call(this);_this81.isShadowMaterial=true;_this81.type='ShadowMaterial';_this81.color=new Color(0x000000);_this81.transparent=true;_this81.fog=true;_this81.setValues(parameters);return _this81;}_createClass(ShadowMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(ShadowMaterial.prototype),"copy",this).call(this,source);this.color.copy(source.color);this.fog=source.fog;return this;}}]);return ShadowMaterial;}(Material);var RawShaderMaterial=/*#__PURE__*/function(_ShaderMaterial){_inherits(RawShaderMaterial,_ShaderMaterial);var _super91=_createSuper(RawShaderMaterial);function RawShaderMaterial(parameters){var _this82;_classCallCheck(this,RawShaderMaterial);_this82=_super91.call(this,parameters);_this82.isRawShaderMaterial=true;_this82.type='RawShaderMaterial';return _this82;}return _createClass(RawShaderMaterial);}(ShaderMaterial);var MeshStandardMaterial=/*#__PURE__*/function(_Material9){_inherits(MeshStandardMaterial,_Material9);var _super92=_createSuper(MeshStandardMaterial);function MeshStandardMaterial(parameters){var _this83;_classCallCheck(this,MeshStandardMaterial);_this83=_super92.call(this);_this83.isMeshStandardMaterial=true;_this83.defines={'STANDARD':''};_this83.type='MeshStandardMaterial';_this83.color=new Color(0xffffff);// diffuse
1666_this83.roughness=1.0;_this83.metalness=0.0;_this83.map=null;_this83.lightMap=null;_this83.lightMapIntensity=1.0;_this83.aoMap=null;_this83.aoMapIntensity=1.0;_this83.emissive=new Color(0x000000);_this83.emissiveIntensity=1.0;_this83.emissiveMap=null;_this83.bumpMap=null;_this83.bumpScale=1;_this83.normalMap=null;_this83.normalMapType=TangentSpaceNormalMap;_this83.normalScale=new Vector2(1,1);_this83.displacementMap=null;_this83.displacementScale=1;_this83.displacementBias=0;_this83.roughnessMap=null;_this83.metalnessMap=null;_this83.alphaMap=null;_this83.envMap=null;_this83.envMapIntensity=1.0;_this83.wireframe=false;_this83.wireframeLinewidth=1;_this83.wireframeLinecap='round';_this83.wireframeLinejoin='round';_this83.flatShading=false;_this83.fog=true;

1666_this83.setValues(parameters);return _this83;}_createClass(MeshStandardMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(MeshStandardMaterial.prototype),"copy",this).call(this,source);this.defines={'STANDARD':''};this.color.copy(source.color);this.roughness=source.roughness;this.metalness=source.metalness;this.map=source.map;this.lightMap=source.lightMap;this.lightMapIntensity=source.lightMapIntensity;this.aoMap=source.aoMap;this.aoMapIntensity=source.aoMapIntensity;this.emissive.copy(source.emissive);this.emissiveMap=source.emissiveMap;this.emissiveIntensity=source.emissiveIntensity;this.bumpMap=source.bumpMap;this.bumpScale=source.bumpScale;this.normalMap=source.normalMap;this.normalMapType=source.normalMapType;this.normalScale.copy(source.normalScale);this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.roughnessMap=source.roughnessMap;this.metalnessMap=source.metalnessMap;this.alphaMap=source.alphaMap;this.envMap=source.envMap;this.envMapIntensity=source.envMapIntensity;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.wireframeLinecap=source.wireframeLinecap;this.wireframeLinejoin=source.wireframeLinejoin;this.flatShading=source.flatShading;this.fog=source.fog;return this;}}]);return MeshStandardMaterial;}(Material);var MeshPhysicalMaterial=/*#__PURE__*/function(_MeshStandardMaterial){_inherits(MeshPhysicalMaterial,_MeshStandardMaterial);var _super93=_createSuper(MeshPhysicalMaterial);function MeshPhysicalMaterial(parameters){var _this84;_classCallCheck(this,MeshPhysicalMaterial);_this84=_super93.call(this);_this84.isMeshPhysicalMaterial=true;_this84.defines={'STANDARD':'','PHYSICAL':''};_this84.type='MeshPhysicalMaterial';_this84.clearcoatMap=null;_this84.clearcoatRoughness=0.0;_this84.clearcoatRoughnessMap=null;_this84.clearcoatNormalScale=new Vector2(1,1);_this84.clearcoatNormalMap=null;_this84.ior=1.5;Object.defineProperty(_assertThisInitialized(_this84),'reflectivity',{get:function get(){return clamp(2.5*(this.ior-1)/(this.ior+1),0,1);},set:function set(reflectivity){this.ior=(1+0.4*reflectivity)/(1-0.4*reflectivity);}});_this84.iridescenceMap=null;_this84.iridescenceIOR=1.3;_this84.iridescenceThicknessRange=[100,400];_this84.iridescenceThicknessMap=null;_this84.sheenColor=new Color(0x000000);_this84.sheenColorMap=null;_this84.sheenRoughness=1.0;_this84.sheenRoughnessMap=null;_this84.transmissionMap=null;_this84.thickness=0;_this84.thicknessMap=null;_this84.attenuationDistance=0.0;_this84.attenuationColor=new Color(1,1,1);_this84.specularIntensity=1.0;_this84.specularIntensityMap=null;_this84.specularColor=new Color(1,1,1);_this84.specularColorMap=null;_this84._sheen=0.0;_this84._clearcoat=0;_this84._iridescence=0;_this84._transmission=0;_this84.setValues(parameters);return _this84;}_createClass(MeshPhysicalMaterial,[{key:"sheen",get:function get(){return this._sheen;},set:function set(value){if(this._sheen>0!==value>0){this.version++;}this._sheen=value;}},{key:"clearcoat",get:function get(){return this._clearcoat;},set:function set(value){if(this._clearcoat>0!==value>0){this.version++;}this._clearcoat=value;}},{key:"iridescence",get:function get(){return this._iridescence;},set:function set(value){if(this._iridescence>0!==value>0){this.version++;}this._iridescence=value;}},{key:"transmission",get:function get(){return this._transmission;},set:function set(value){if(this._transmission>0!==value>0){this.version++;}this._transmission=value;}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(MeshPhysicalMaterial.prototype),"copy",this).call(this,source);this.defines={'STANDARD':'','PHYSICAL':''};this.clearcoat=source.clearcoat;this.clearcoatMap=source.clearcoatMap;this.clearcoatRoughness=source.clearcoatRoughness;this.clearcoatRoughnessMap=source.clearcoatRoughnessMap;this.clearcoatNormalMap=source.clearcoatNormalMap;this.clearcoatNormalScale.copy(source.clearcoatNormalScale);this.ior=source.ior;this.iridescence=source.iridescence;this.iridescenceMap=source.iridescenceMap;this.iridescenceIOR=source.iridescenceIOR;this.iridescenceThicknessRange=_toConsumableArray(source.iridescenceThicknessRange);this.iridescenceThicknessMap=source.iridescenceThicknessMap;this.sheen=source.sheen;this.sheenColor.copy(source.sheenColor);this.sheenColorMap=source.sheenColorMap;this.sheenRoughness=source.sheenRoughness;this.sheenRoughnessMap=source.sheenRoughnessMap;this.transmission=source.transmission;this.transmissionMap=source.transmissionMap;this.thickness=source.thickness;this.thicknessMap=source.thicknessMap;this.attenuationDistance=source.attenuationDistance;this.attenuationColor.copy(source.attenuationColor);this.specularIntensity=source.specularIntensity;this.specularIntensityMap=source.specularIntensityMap;this.specularColor.copy(source.specularColor);this.specularColorMap=source.specularColorMap;return this;}}]);return MeshPhysicalMaterial;}(MeshStandardMaterial);var MeshPhongMaterial=/*#__PURE__*/function(_Material10){_inherits(MeshPhongMaterial,_Material10);var _super94=_createSuper(MeshPhongMaterial);function MeshPhongMaterial(parameters){var _this85;_classCallCheck(this,MeshPhongMaterial);_this85=_super94.call(this);_this85.isMeshPhongMaterial=true;_this85.type='MeshPhongMaterial';_this85.color=new Color(0xffffff);// diffuse
1667_this85.specular=new Color(0x111111);_this85.shininess=30;_this85.map=null;_this85.lightMap=null;_this85.lightMapIntensity=1.0;_this85.aoMap=null;_this85.aoMapIntensity=1.0;_this85.emissive=new Color(0x000000);_this85.emissiveIntensity=1.0;_this85.emissiveMap=null;_this85.bumpMap=null;_this85.bumpScale=1;_this85.normalMap=null;_this85.normalMapType=TangentSpaceNormalMap;_this85.normalScale=new Vector2(1,1);_this85.displacementMap=null;_this85.displacementScale=1;_this85.displacementBias=0;_this85.specularMap=null;_this85.alphaMap=null;_this85.envMap=null;_this85.combine=MultiplyOperation;_this85.reflectivity=1;_this85.refractionRatio=0.98;_this85.wireframe=false;_this85.wireframeLinewidth=1;_this85.wireframeLinecap='round';_this85.wireframeLinejoin='round';_this85.flatShading=false;_this85.fog=true;_this85.setValues(parameters);return _this85;}

1667_createClass(MeshPhongMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(MeshPhongMaterial.prototype),"copy",this).call(this,source);this.color.copy(source.color);this.specular.copy(source.specular);this.shininess=source.shininess;this.map=source.map;this.lightMap=source.lightMap;this.lightMapIntensity=source.lightMapIntensity;this.aoMap=source.aoMap;this.aoMapIntensity=source.aoMapIntensity;this.emissive.copy(source.emissive);this.emissiveMap=source.emissiveMap;this.emissiveIntensity=source.emissiveIntensity;this.bumpMap=source.bumpMap;this.bumpScale=source.bumpScale;this.normalMap=source.normalMap;this.normalMapType=source.normalMapType;this.normalScale.copy(source.normalScale);this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.specularMap=source.specularMap;this.alphaMap=source.alphaMap;this.envMap=source.envMap;this.combine=source.combine;this.reflectivity=source.reflectivity;this.refractionRatio=source.refractionRatio;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.wireframeLinecap=source.wireframeLinecap;this.wireframeLinejoin=source.wireframeLinejoin;this.flatShading=source.flatShading;this.fog=source.fog;return this;}}]);return MeshPhongMaterial;}(Material);var MeshToonMaterial=/*#__PURE__*/function(_Material11){_inherits(MeshToonMaterial,_Material11);var _super95=_createSuper(MeshToonMaterial);function MeshToonMaterial(parameters){var _this86;_classCallCheck(this,MeshToonMaterial);_this86=_super95.call(this);_this86.isMeshToonMaterial=true;_this86.defines={'TOON':''};_this86.type='MeshToonMaterial';_this86.color=new Color(0xffffff);_this86.map=null;_this86.gradientMap=null;_this86.lightMap=null;_this86.lightMapIntensity=1.0;_this86.aoMap=null;_this86.aoMapIntensity=1.0;_this86.emissive=new Color(0x000000);_this86.emissiveIntensity=1.0;_this86.emissiveMap=null;_this86.bumpMap=null;_this86.bumpScale=1;_this86.normalMap=null;_this86.normalMapType=TangentSpaceNormalMap;_this86.normalScale=new Vector2(1,1);_this86.displacementMap=null;_this86.displacementScale=1;_this86.displacementBias=0;_this86.alphaMap=null;_this86.wireframe=false;_this86.wireframeLinewidth=1;_this86.wireframeLinecap='round';_this86.wireframeLinejoin='round';_this86.fog=true;_this86.setValues(parameters);return _this86;}_createClass(MeshToonMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(MeshToonMaterial.prototype),"copy",this).call(this,source);this.color.copy(source.color);this.map=source.map;this.gradientMap=source.gradientMap;this.lightMap=source.lightMap;this.lightMapIntensity=source.lightMapIntensity;this.aoMap=source.aoMap;this.aoMapIntensity=source.aoMapIntensity;this.emissive.copy(source.emissive);this.emissiveMap=source.emissiveMap;this.emissiveIntensity=source.emissiveIntensity;this.bumpMap=source.bumpMap;this.bumpScale=source.bumpScale;this.normalMap=source.normalMap;this.normalMapType=source.normalMapType;this.normalScale.copy(source.normalScale);this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.alphaMap=source.alphaMap;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.wireframeLinecap=source.wireframeLinecap;this.wireframeLinejoin=source.wireframeLinejoin;this.fog=source.fog;return this;}}]);return MeshToonMaterial;}(Material);var MeshNormalMaterial=/*#__PURE__*/function(_Material12){_inherits(MeshNormalMaterial,_Material12);var _super96=_createSuper(MeshNormalMaterial);function MeshNormalMaterial(parameters){var _this87;_classCallCheck(this,MeshNormalMaterial);_this87=_super96.call(this);_this87.isMeshNormalMaterial=true;_this87.type='MeshNormalMaterial';_this87.bumpMap=null;_this87.bumpScale=1;_this87.normalMap=null;_this87.normalMapType=TangentSpaceNormalMap;_this87.normalScale=new Vector2(1,1);_this87.displacementMap=null;_this87.displacementScale=1;_this87.displacementBias=0;_this87.wireframe=false;_this87.wireframeLinewidth=1;_this87.flatShading=false;_this87.setValues(parameters);return _this87;}

1667_createClass(MeshNormalMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(MeshNormalMaterial.prototype),"copy",this).call(this,source);this.bumpMap=source.bumpMap;this.bumpScale=source.bumpScale;this.normalMap=source.normalMap;this.normalMapType=source.normalMapType;this.normalScale.copy(source.normalScale);this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.flatShading=source.flatShading;return this;}}]);return MeshNormalMaterial;}(Material);var MeshLambertMaterial=/*#__PURE__*/function(_Material13){_inherits(MeshLambertMaterial,_Material13);var _super97=_createSuper(MeshLambertMaterial);function MeshLambertMaterial(parameters){var _this88;_classCallCheck(this,MeshLambertMaterial);_this88=_super97.call(this);_this88.isMeshLambertMaterial=true;_this88.type='MeshLambertMaterial';_this88.color=new Color(0xffffff);// diffuse
1668_this88.map=null;_this88.lightMap=null;_this88.lightMapIntensity=1.0;_this88.aoMap=null;_this88.aoMapIntensity=1.0;_this88.emissive=new Color(0x000000);_this88.emissiveIntensity=1.0;_this88.emissiveMap=null;_this88.specularMap=null;_this88.alphaMap=null;_this88.envMap=null;_this88.combine=MultiplyOperation;_this88.reflectivity=1;_this88.refractionRatio=0.98;_this88.wireframe=false;_this88.wireframeLinewidth=1;_this88.wireframeLinecap='round';_this88.wireframeLinejoin='round';_this88.fog=true;_this88.setValues(parameters);return _this88;}_createClass(MeshLambertMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(MeshLambertMaterial.prototype),"copy",this).call(this,source);this.color.copy(source.color);this.map=source.map;this.lightMap=source.lightMap;this.lightMapIntensity=source.lightMapIntensity;this.aoMap=source.aoMap;this.aoMapIntensity=source.aoMapIntensity;this.emissive.copy(source.emissive);this.emissiveMap=source.emissiveMap;this.emissiveIntensity=source.emissiveIntensity;this.specularMap=source.specularMap;this.alphaMap=source.alphaMap;this.envMap=source.envMap;this.combine=source.combine;this.reflectivity=source.reflectivity;this.refractionRatio=source.refractionRatio;this.wireframe=source.wireframe;this.wireframeLinewidth=source.wireframeLinewidth;this.wireframeLinecap=source.wireframeLinecap;this.wireframeLinejoin=source.wireframeLinejoin;this.fog=source.fog;return this;}}]);return MeshLambertMaterial;}(Material);var MeshMatcapMaterial=/*#__PURE__*/function(_Material14){_inherits(MeshMatcapMaterial,_Material14);var _super98=_createSuper(MeshMatcapMaterial);function MeshMatcapMaterial(parameters){var _this89;_classCallCheck(this,MeshMatcapMaterial);_this89=_super98.call(this);_this89.isMeshMatcapMaterial=true;_this89.defines={'MATCAP':''};_this89.type='MeshMatcapMaterial';_this89.color=new Color(0xffffff);// diffuse
1669_this89.matcap=null;_this89.map=null;_this89.bumpMap=null;_this89.bumpScale=1;_this89.normalMap=null;_this89.normalMapType=TangentSpaceNormalMap;_this89.normalScale=new Vector2(1,1);_this89.displacementMap=null;_this89.displacementScale=1;_this89.displacementBias=0;_this89.alphaMap=null;_this89.flatShading=false;_this89.fog=true;_this89.setValues(parameters);return _this89;}_createClass(MeshMatcapMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(MeshMatcapMaterial.prototype),"copy",this).call(this,source);this.defines={'MATCAP':''};this.color.copy(source.color);this.matcap=source.matcap;this.map=source.map;this.bumpMap=source.bumpMap;this.bumpScale=source.bumpScale;this.normalMap=source.normalMap;this.normalMapType=source.normalMapType;this.normalScale.copy(source.normalScale);this.displacementMap=source.displacementMap;this.displacementScale=source.displacementScale;this.displacementBias=source.displacementBias;this.alphaMap=source.alphaMap;this.flatShading=source.flatShading;this.fog=source.fog;return this;}}]);return MeshMatcapMaterial;}(Material);var LineDashedMaterial=/*#__PURE__*/function(_LineBasicMaterial){_inherits(LineDashedMaterial,_LineBasicMaterial);var _super99=_createSuper(LineDashedMaterial);function LineDashedMaterial(parameters){var _this90;_classCallCheck(this,LineDashedMaterial);_this90=_super99.call(this);_this90.isLineDashedMaterial=true;_this90.type='LineDashedMaterial';_this90.scale=1;_this90.dashSize=3;_this90.gapSize=1;_this90.setValues(parameters);return _this90;}

1669_createClass(LineDashedMaterial,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(LineDashedMaterial.prototype),"copy",this).call(this,source);this.scale=source.scale;this.dashSize=source.dashSize;this.gapSize=source.gapSize;return this;}}]);return LineDashedMaterial;}(LineBasicMaterial);function arraySlice(array,from,to){if(isTypedArray(array)){// in ios9 array.subarray(from, undefined) will return empty array
1670// but array.subarray(from) or array.subarray(from, len) is correct
1671return new array.constructor(array.subarray(from,to!==undefined?to:array.length));}return array.slice(from,to);}// converts an array to a specific type
1672function convertArray(array,type,forceClone){if(!array||// let 'undefined' and 'null' pass
1673!forceClone&&array.constructor===type)return array;if(typeof type.BYTES_PER_ELEMENT==='number'){return new type(array);// create typed array
1674}return Array.prototype.slice.call(array);// create Array
1675}function isTypedArray(object){return ArrayBuffer.isView(object)&&!(object instanceof DataView);}// returns an array by which times and values can be sorted
1676function getKeyframeOrder(times){function compareTime(i,j){return times[i]-times[j];}var n=times.length;var result=new Array(n);for(var i=0;i!==n;++i)result[i]=i;result.sort(compareTime);return result;}// uses the array previously returned by 'getKeyframeOrder' to sort data
1677function sortedArray(values,stride,order){var nValues=values.length;var result=new values.constructor(nValues);for(var i=0,dstOffset=0;dstOffset!==nValues;++i){var srcOffset=order[i]*stride;for(var j=0;j!==stride;++j){result[dstOffset++]=values[srcOffset+j];}}return result;}// function for parsing AOS keyframe formats
1678function flattenJSON(jsonKeys,times,values,valuePropertyName){var i=1,key=jsonKeys[0];while(key!==undefined&&key[valuePropertyName]===undefined){key=jsonKeys[i++];}if(key===undefined)return;// no data
1679var value=key[valuePropertyName];if(value===undefined)return;// no data
1680if(Array.isArray(value)){do{value=key[valuePropertyName];if(value!==undefined){times.push(key.time);values.push.apply(values,value);// push all elements
1681}key=jsonKeys[i++];}while(key!==undefined);}else if(value.toArray!==undefined){// ...assume THREE.Math-ish
1682do{value=key[valuePropertyName];if(value!==undefined){times.push(key.time);value.toArray(values,values.length);}key=jsonKeys[i++];}while(key!==undefined);}else{// otherwise push as-is
1683do{value=key[valuePropertyName];if(value!==undefined){times.push(key.time);values.push(value);}key=jsonKeys[i++];}while(key!==undefined);}}function subclip(sourceClip,name,startFrame,endFrame){var fps=arguments.length>4&&arguments[4]!==undefined?arguments[4]:30;var clip=sourceClip.clone();clip.name=name;var tracks=[];for(var i=0;i<clip.tracks.length;++i){var track=clip.tracks[i];var valueSize=track.getValueSize();var times=[];var values=[];for(var j=0;j<track.times.length;++j){var frame=track.times[j]*fps;if(frame<startFrame||frame>=endFrame)continue;times.push(track.times[j]);for(var k=0;k<valueSize;++k){values.push(track.values[j*valueSize+k]);}}if(times.length===0)continue;track.times=convertArray(times,track.times.constructor);track.values=convertArray(values,track.values.constructor);tracks.push(track);}clip.tracks=tracks;// find minimum .times value across all tracks in the trimmed clip
1684var minStartTime=Infinity;for(var _i81=0;_i81<clip.tracks.length;++_i81){if(minStartTime>clip.tracks[_i81].times[0]){minStartTime=clip.tracks[_i81].times[0];}}// shift all tracks such that clip begins at t=0
1685for(var _i82=0;_i82<clip.tracks.length;++_i82){clip.tracks[_i82].shift(-1*minStartTime);}clip.resetDuration();return clip;}function makeClipAdditive(targetClip){var referenceFrame=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var referenceClip=arguments.length>2&&arguments[2]!==undefined?arguments[2]:targetClip;var fps=arguments.length>3&&arguments[3]!==undefined?arguments[3]:30;if(fps<=0)fps=30;var numTracks=referenceClip.tracks.length;var referenceTime=referenceFrame/fps;// Make each track's values relative to the values at the reference frame
1686var _loop=function _loop(){var referenceTrack=referenceClip.tracks[i];var referenceTrackType=referenceTrack.ValueTypeName;// Skip this track if it's non-numeric
1687if(referenceTrackType==='bool'||referenceTrackType==='string')return"continue";// Find the track in the target clip whose name and type matches the reference track
1688var targetTrack=targetClip.tracks.find(function(track){return track.name===referenceTrack.name&&track.ValueTypeName===referenceTrackType;});if(targetTrack===undefined)return"continue";var referenceOffset=0;var referenceValueSize=referenceTrack.getValueSize();if(referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline){referenceOffset=referenceValueSize/3;}var targetOffset=0;var targetValueSize=targetTrack.getValueSize();if(targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline){targetOffset=targetValueSize/3;}var lastIndex=referenceTrack.times.length-1;var referenceValue;// Find the value to subtract out of the track
1689if(referenceTime<=referenceTrack.times[0]){// Reference frame is earlier than the first keyframe, so just use the first keyframe
1690var startIndex=referenceOffset;var endIndex=referenceValueSize-referenceOffset;referenceValue=arraySlice(referenceTrack.values,startIndex,endIndex);}else if(referenceTime>=referenceTrack.times[lastIndex]){// Reference frame is after the last keyframe, so just use the last keyframe
1691var _startIndex=lastIndex*referenceValueSize+referenceOffset;var _endIndex=_startIndex+referenceValueSize-referenceOffset;referenceValue=arraySlice(referenceTrack.values,_startIndex,_endIndex);}else{// Interpolate to the reference value
1692var interpolant=referenceTrack.createInterpolant();var _startIndex2=referenceOffset;var _endIndex2=referenceValueSize-referenceOffset;interpolant.evaluate(referenceTime);referenceValue=arraySlice(interpolant.resultBuffer,_startIndex2,_endIndex2);}// Conjugate the quaternion
1693if(referenceTrackType==='quaternion'){var referenceQuat=new Quaternion().fromArray(referenceValue).normalize().conjugate();referenceQuat.toArray(referenceValue);}// Subtract the reference value from all of the track values
1694var numTimes=targetTrack.times.length;for(var j=0;j<numTimes;++j){var valueStart=j*targetValueSize+targetOffset;if(referenceTrackType==='quaternion'){// Multiply the conjugate for quaternion track types
1695Quaternion.multiplyQuaternionsFlat(targetTrack.values,valueStart,referenceValue,0,targetTrack.values,valueStart);}else{var valueEnd=targetValueSize-targetOffset*2;// Subtract each value for all other numeric track types
1696for(var k=0;k<valueEnd;++k){targetTrack.values[valueStart+k]-=referenceValue[k];}}}};for(var i=0;i<numTracks;++i){var _ret=_loop();if(_ret==="continue")continue;}targetClip.blendMode=AdditiveAnimationBlendMode;return targetClip;}var AnimationUtils=/*#__PURE__*/Object.freeze({__proto__:null,arraySlice:arraySlice,convertArray:convertArray,isTypedArray:isTypedArray,getKeyframeOrder:getKeyframeOrder,sortedArray:sortedArray,flattenJSON:flattenJSON,subclip:subclip,makeClipAdditive:makeClipAdditive});/**
1697	 * Abstract base class of interpolants over parametric samples.
1698	 *
1699	 * The parameter domain is one dimensional, typically the time or a path
1700	 * along a curve defined by the data.
1701	 *
1702	 * The sample values can have any dimensionality and derived classes may
1703	 * apply special interpretations to the data.
1704	 *
1705	 * This class provides the interval seek in a Template Method, deferring
1706	 * the actual interpolation to derived classes.
1707	 *
1708	 * Time complexity is O(1) for linear access crossing at most two points
1709	 * and O(log N) for random access, where N is the number of positions.
1710	 *
1711	 * References:
1712	 *
1713	 * 		http://www.oodesign.com/template-method-pattern.html
1714	 *
1715	 */var Interpolant=/*#__PURE__*/function(){function Interpolant(parameterPositions,sampleValues,sampleSize,resultBuffer){_classCallCheck(this,Interpolant);this.parameterPositions=parameterPositions;this._cachedIndex=0;this.resultBuffer=resultBuffer!==undefined?resultBuffer:new sampleValues.constructor(sampleSize);this.sampleValues=sampleValues;this.valueSize=sampleSize;this.settings=null;this.DefaultSettings_={};}_createClass(Interpolant,[{key:"evaluate",value:function evaluate(t){var pp=this.parameterPositions;var i1=this._cachedIndex,t1=pp[i1],t0=pp[i1-1];validate_interval:{seek:{var right;

1715linear_scan:{//- See http://jsperf.com/comparison-to-undefined/3
1716//- slower code:
1717//-
1718//- 				if ( t >= t1 || t1 === undefined ) {
1719forward_scan:if(!(t<t1)){for(var giveUpAt=i1+2;;){if(t1===undefined){if(t<t0)break forward_scan;// after end
1720i1=pp.length;this._cachedIndex=i1;return this.copySampleValue_(i1-1);}if(i1===giveUpAt)break;// this loop
1721t0=t1;t1=pp[++i1];if(t<t1){// we have arrived at the sought interval
1722break seek;}}// prepare binary search on the right side of the index
1723right=pp.length;break linear_scan;}//- slower code:
1724//-					if ( t < t0 || t0 === undefined ) {
1725if(!(t>=t0)){// looping?
1726var t1global=pp[1];if(t<t1global){i1=2;// + 1, using the scan for the details
1727t0=t1global;}// linear reverse scan
1728for(var _giveUpAt=i1-2;;){if(t0===undefined){// before start
1729this._cachedIndex=0;return this.copySampleValue_(0);}if(i1===_giveUpAt)break;// this loop
1730t1=t0;t0=pp[--i1-1];if(t>=t0){// we have arrived at the sought interval
1731break seek;}}// prepare binary search on the left side of the index
1732right=i1;i1=0;break linear_scan;}// the interval is valid
1733break validate_interval;}// linear scan
1734// binary search
1735while(i1<right){var mid=i1+right>>>1;if(t<pp[mid]){right=mid;}else{i1=mid+1;}}t1=pp[i1];t0=pp[i1-1];// check boundary cases, again
1736if(t0===undefined){this._cachedIndex=0;return this.copySampleValue_(0);}if(t1===undefined){i1=pp.length;this._cachedIndex=i1;return this.copySampleValue_(i1-1);}}// seek
1737this._cachedIndex=i1;this.intervalChanged_(i1,t0,t1);}// validate_interval
1738return this.interpolate_(i1,t0,t,t1);}},{key:"getSettings_",value:function getSettings_(){return this.settings||this.DefaultSettings_;}},{key:"copySampleValue_",value:function copySampleValue_(index){// copies a sample value to the result buffer
1739var result=this.resultBuffer,values=this.sampleValues,stride=this.valueSize,offset=index*stride;for(var i=0;i!==stride;++i){result[i]=values[offset+i];}return result;}// Template methods for derived classes:
1740},{key:"interpolate_",value:function interpolate_(){throw new Error('call to abstract method');// implementations shall return this.resultBuffer
1741}},{key:"intervalChanged_",value:function intervalChanged_(){// empty
1742}}]);return Interpolant;}();/**
1743	 * Fast and simple cubic spline interpolant.
1744	 *
1745	 * It was derived from a Hermitian construction setting the first derivative
1746	 * at each sample position to the linear slope between neighboring positions
1747	 * over their parameter interval.
1748	 */var CubicInterpolant=/*#__PURE__*/function(_Interpolant){_inherits(CubicInterpolant,_Interpolant);var _super100=_createSuper(CubicInterpolant);function CubicInterpolant(parameterPositions,sampleValues,sampleSize,resultBuffer){var _this91;_classCallCheck(this,CubicInterpolant);_this91=_super100.call(this,parameterPositions,sampleValues,sampleSize,resultBuffer);_this91._weightPrev=-0;_this91._offsetPrev=-0;_this91._weightNext=-0;_this91._offsetNext=-0;_this91.DefaultSettings_={endingStart:ZeroCurvatureEnding,endingEnd:ZeroCurvatureEnding};return _this91;}_createClass(CubicInterpolant,[{key:"intervalChanged_",value:function intervalChanged_(i1,t0,t1){var pp=this.parameterPositions;var iPrev=i1-2,iNext=i1+1,tPrev=pp[iPrev],tNext=pp[iNext];if(tPrev===undefined){switch(this.getSettings_().endingStart){case ZeroSlopeEnding:// f'(t0) = 0
1749iPrev=i1;tPrev=2*t0-t1;break;case WrapAroundEnding:// use the other end of the curve
1750iPrev=pp.length-2;tPrev=t0+pp[iPrev]-pp[iPrev+1];break;default:// ZeroCurvatureEnding
1751// f''(t0) = 0 a.k.a. Natural Spline
1752iPrev=i1;tPrev=t1;}}if(tNext===undefined){switch(this.getSettings_().endingEnd){case ZeroSlopeEnding:// f'(tN) = 0
1753iNext=i1;tNext=2*t1-t0;break;case WrapAroundEnding:// use the other end of the curve
1754iNext=1;tNext=t1+pp[1]-pp[0];break;default:// ZeroCurvatureEnding
1755// f''(tN) = 0, a.k.a. Natural Spline
1756iNext=i1-1;tNext=t0;}}var halfDt=(t1-t0)*0.5,stride=this.valueSize;this._weightPrev=halfDt/(t0-tPrev);this._weightNext=halfDt/(tNext-t1);this._offsetPrev=iPrev*stride;this._offsetNext=iNext*stride;}},{key:"interpolate_",value:function interpolate_(i1,t0,t,t1){var result=this.resultBuffer,values=this.sampleValues,stride=this.valueSize,o1=i1*stride,o0=o1-stride,oP=this._offsetPrev,oN=this._offsetNext,wP=this._weightPrev,wN=this._weightNext,p=(t-t0)/(t1-t0),pp=p*p,p

1756pp=pp*p;// evaluate polynomials
1757var sP=-wP*ppp+2*wP*pp-wP*p;var s0=(1+wP)*ppp+(-1.5-2*wP)*pp+(-0.5+wP)*p+1;var s1=(-1-wN)*ppp+(1.5+wN)*pp+0.5*p;var sN=wN*ppp-wN*pp;// combine data linearly
1758for(var i=0;i!==stride;++i){result[i]=sP*values[oP+i]+s0*values[o0+i]+s1*values[o1+i]+sN*values[oN+i];}return result;}}]);return CubicInterpolant;}(Interpolant);var LinearInterpolant=/*#__PURE__*/function(_Interpolant2){_inherits(LinearInterpolant,_Interpolant2);var _super101=_createSuper(LinearInterpolant);function LinearInterpolant(parameterPositions,sampleValues,sampleSize,resultBuffer){_classCallCheck(this,LinearInterpolant);return _super101.call(this,parameterPositions,sampleValues,sampleSize,resultBuffer);}_createClass(LinearInterpolant,[{key:"interpolate_",value:function interpolate_(i1,t0,t,t1){var result=this.resultBuffer,values=this.sampleValues,stride=this.valueSize,offset1=i1*stride,offset0=offset1-stride,weight1=(t-t0)/(t1-t0),weight0=1-weight1;for(var i=0;i!==stride;++i){result[i]=values[offset0+i]*weight0+values[offset1+i]*weight1;}return result;}}]);return LinearInterpolant;}(Interpolant);/**
1759	 *
1760	 * Interpolant that evaluates to the sample value at the position preceding
1761	 * the parameter.
1762	 */var DiscreteInterpolant=/*#__PURE__*/function(_Interpolant3){_inherits(DiscreteInterpolant,_Interpolant3);var _super102=_createSuper(DiscreteInterpolant);function DiscreteInterpolant(parameterPositions,sampleValues,sampleSize,resultBuffer){_classCallCheck(this,DiscreteInterpolant);return _super102.call(this,parameterPositions,sampleValues,sampleSize,resultBuffer);}_createClass(DiscreteInterpolant,[{key:"interpolate_",value:function interpolate_(i1/*, t0, t, t1 */){return this.copySampleValue_(i1-1);}}]);return DiscreteInterpolant;}(Interpolant);var KeyframeTrack=/*#__PURE__*/function(){function KeyframeTrack(name,times,values,interpolation){_classCallCheck(this,KeyframeTrack);if(name===undefined)throw new Error('THREE.KeyframeTrack: track name is undefined');if(times===undefined||times.length===0)throw new Error('THREE.KeyframeTrack: no keyframes in track named '+name);this.name=name;this.times=convertArray(times,this.TimeBufferType);this.values=convertArray(values,this.ValueBufferType);this.setInterpolation(interpolation||this.DefaultInterpolation);}// Serialization (in static context, because of constructor invocation
1763// and automatic invocation of .toJSON):
1764_createClass(KeyframeTrack,[{key:"InterpolantFactoryMethodDiscrete",value:function InterpolantFactoryMethodDiscrete(result){return new DiscreteInterpolant(this.times,this.values,this.getValueSize(),result);}},{key:"InterpolantFactoryMethodLinear",value:function InterpolantFactoryMethodLinear(result){return new LinearInterpolant(this.times,this.values,this.getValueSize(),result);}},{key:"InterpolantFactoryMethodSmooth",value:function InterpolantFactoryMethodSmooth(result){return new CubicInterpolant(this.times,this.values,this.getValueSize(),result);}},{key:"setInterpolation",value:function setInterpolation(interpolation){var factoryMethod;switch(interpolation){case InterpolateDiscrete:factoryMethod=this.InterpolantFactoryMethodDiscrete;break;case InterpolateLinear:factoryMethod=this.InterpolantFactoryMethodLinear;break;case InterpolateSmooth:factoryMethod=this.InterpolantFactoryMethodSmooth;break;}if(factoryMethod===undefined){var message='unsupported interpolation for '+this.ValueTypeName+' keyframe track named '+this.name;if(this.createInterpolant===undefined){// fall back to default, unless the default itself is messed up
1765if(interpolation!==this.DefaultInterpolation){this.setInterpolation(this.DefaultInterpolation);}else{throw new Error(message);// fatal, in this case
1766}}console.warn('THREE.KeyframeTrack:',message);return this;}this.createInterpolant=factoryMethod;return this;}},{key:"getInterpolation",value:function getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return InterpolateDiscrete;case this.InterpolantFactoryMethodLinear:return InterpolateLinear;case this.InterpolantFactoryMethodSmooth:return InterpolateSmooth;}}},{key:"getValueSize",value:function getValueSize(){return this.values.length/this.times.length;}// move all keyframes either forwards or backwards in time
1767},{key:"shift",value:function shift(timeOffset){if(timeOffset!==0.0){var times=this.times;for(var i=0,n=times.length;i!==n;

1767++i){times[i]+=timeOffset;}}return this;}// scale all keyframe times by a factor (useful for frame <-> seconds conversions)
1768},{key:"scale",value:function scale(timeScale){if(timeScale!==1.0){var times=this.times;for(var i=0,n=times.length;i!==n;++i){times[i]*=timeScale;}}return this;}// removes keyframes before and after animation without changing any values within the range [startTime, endTime].
1769// IMPORTANT: We do not shift around keys to the start of the track time, because for interpolated keys this will change their values
1770},{key:"trim",value:function trim(startTime,endTime){var times=this.times,nKeys=times.length;var from=0,to=nKeys-1;while(from!==nKeys&&times[from]<startTime){++from;}while(to!==-1&&times[to]>endTime){--to;}++to;// inclusive -> exclusive bound
1771if(from!==0||to!==nKeys){// empty tracks are forbidden, so keep at least one keyframe
1772if(from>=to){to=Math.max(to,1);from=to-1;}var stride=this.getValueSize();this.times=arraySlice(times,from,to);this.values=arraySlice(this.values,from*stride,to*stride);}return this;}// ensure we do not get a GarbageInGarbageOut situation, make sure tracks are at least minimally viable
1773},{key:"validate",value:function validate(){var valid=true;var valueSize=this.getValueSize();if(valueSize-Math.floor(valueSize)!==0){console.error('THREE.KeyframeTrack: Invalid value size in track.',this);valid=false;}var times=this.times,values=this.values,nKeys=times.length;if(nKeys===0){console.error('THREE.KeyframeTrack: Track is empty.',this);valid=false;}var prevTime=null;for(var i=0;i!==nKeys;i++){var currTime=times[i];if(typeof currTime==='number'&&isNaN(currTime)){console.error('THREE.KeyframeTrack: Time is not a valid number.',this,i,currTime);valid=false;break;}if(prevTime!==null&&prevTime>currTime){console.error('THREE.KeyframeTrack: Out of order keys.',this,i,currTime,prevTime);valid=false;break;}prevTime=currTime;}if(values!==undefined){if(isTypedArray(values)){for(var _i83=0,n=values.length;_i83!==n;++_i83){var _value6=values[_i83];if(isNaN(_value6)){console.error('THREE.KeyframeTrack: Value is not a valid number.',this,_i83,_value6);valid=false;break;}}}}return valid;}// removes equivalent sequential keys as common in morph target sequences
1774// (0,0,0,0,1,1,1,0,0,0,0,0,0,0) --> (0,0,1,1,0,0)
1775},{key:"optimize",value:function optimize(){// times or values may be shared with other tracks, so overwriting is unsafe
1776var times=arraySlice(this.times),values=arraySlice(this.values),stride=this.getValueSize(),smoothInterpolation=this.getInterpolation()===InterpolateSmooth,lastIndex=times.length-1;var writeIndex=1;for(var i=1;i<lastIndex;++i){var keep=false;var time=times[i];var timeNext=times[i+1];// remove adjacent keyframes scheduled at the same time
1777if(time!==timeNext&&(i!==1||time!==times[0])){if(!smoothInterpolation){// remove unnecessary keyframes same as their neighbors
1778var offset=i*stride,offsetP=offset-stride,offsetN=offset+stride;for(var j=0;j!==stride;++j){var _value7=values[offset+j];if(_value7!==values[offsetP+j]||_value7!==values[offsetN+j]){keep=true;break;}}}else{keep=true;}}// in-place compaction
1779if(keep){if(i!==writeIndex){times[writeIndex]=times[i];var readOffset=i*stride,writeOffset=writeIndex*stride;for(var _j14=0;_j14!==stride;++_j14){values[writeOffset+_j14]=values[readOffset+_j14];}}++writeIndex;}}// flush last keyframe (compaction looks ahead)
1780if(lastIndex>0){times[writeIndex]=times[lastIndex];for(var _readOffset=lastIndex*stride,_writeOffset=writeIndex*stride,_j15=0;_j15!==stride;++_j15){values[_writeOffset+_j15]=values[_readOffset+_j15];}++writeIndex;}if(writeIndex!==times.length){this.times=arraySlice(times,0,writeIndex);this.values=arraySlice(values,0,writeIndex*stride);}else{this.times=times;this.values=values;}return this;}},{key:"clone",value:function clone(){var times=arraySlice(this.times,0);var values=arraySlice(this.values,0);var TypedKeyframeTrack=this.constructor;var track=new TypedKeyframeTrack(this.name,times,values);// Interpolant argument to constructor is not saved, so copy the factory method directly.
1781track.createInterpolant=this.createInterpolant;return track;}}],[{key:"toJSON",value:function toJSON(track){var trackType=track.constructor;var json;// derived classes can define a static toJSON method
1782if(trackType.toJSON!==this.toJSON){json=trackType.toJSON(track);}else{// by default, we assume the data can be serialized as-is
1783json={'name':track.name,'times':convertArray(track.times,Array),'values':convertArray(track.values,Array)};var interpolation=track.getInterpolation();if(interpolation!==track.DefaultInterpolation){json.interpolation=interpolation;}}json.type=track.ValueTypeName;// mandatory
1784return json;}}]);return KeyframeTrack;}();KeyframeTrack.prototype.TimeBufferType=Float32Array;KeyframeTrack.prototype.ValueBufferType=Float32Array;KeyframeTrack.prototype.DefaultInterpolation=InterpolateLinear;/**
1785	 * A Track of Boolean keyframe values.
1786	 */var BooleanKeyframeTrack=/*#__PURE__*/function(_KeyframeTrack){_inherits(BooleanKeyframeTrack,_KeyframeTrack);var _super103=_createSuper(BooleanKeyframeTrack);function BooleanKeyframeTrack(){_classCallCheck(this,BooleanKeyframeTrack);return _super103.apply(this,arguments);}return _createClass(BooleanKeyframeTrack);}(KeyframeTrack);BooleanKeyframeTrack.prototype.ValueTypeName='bool';BooleanKeyframeTrack.prototype.ValueBufferType=Array;BooleanKeyframeTrack.prototype.DefaultInterpolation=InterpolateDiscrete;BooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear=undefined;BooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth=un

1786defined;// Note: Actually this track could have a optimized / compressed
1787/**
1788	 * A Track of keyframe values that represent color.
1789	 */var ColorKeyframeTrack=/*#__PURE__*/function(_KeyframeTrack2){_inherits(ColorKeyframeTrack,_KeyframeTrack2);var _super104=_createSuper(ColorKeyframeTrack);function ColorKeyframeTrack(){_classCallCheck(this,ColorKeyframeTrack);return _super104.apply(this,arguments);}return _createClass(ColorKeyframeTrack);}(KeyframeTrack);ColorKeyframeTrack.prototype.ValueTypeName='color';// ValueBufferType is inherited
1790/**
1791	 * A Track of numeric keyframe values.
1792	 */var NumberKeyframeTrack=/*#__PURE__*/function(_KeyframeTrack3){_inherits(NumberKeyframeTrack,_KeyframeTrack3);var _super105=_createSuper(NumberKeyframeTrack);function NumberKeyframeTrack(){_classCallCheck(this,NumberKeyframeTrack);return _super105.apply(this,arguments);}return _createClass(NumberKeyframeTrack);}(KeyframeTrack);NumberKeyframeTrack.prototype.ValueTypeName='number';// ValueBufferType is inherited
1793/**
1794	 * Spherical linear unit quaternion interpolant.
1795	 */var QuaternionLinearInterpolant=/*#__PURE__*/function(_Interpolant4){_inherits(QuaternionLinearInterpolant,_Interpolant4);var _super106=_createSuper(QuaternionLinearInterpolant);function QuaternionLinearInterpolant(parameterPositions,sampleValues,sampleSize,resultBuffer){_classCallCheck(this,QuaternionLinearInterpolant);return _super106.call(this,parameterPositions,sampleValues,sampleSize,resultBuffer);}_createClass(QuaternionLinearInterpolant,[{key:"interpolate_",value:function interpolate_(i1,t0,t,t1){var result=this.resultBuffer,values=this.sampleValues,stride=this.valueSize,alpha=(t-t0)/(t1-t0);var offset=i1*stride;for(var end=offset+stride;offset!==end;offset+=4){Quaternion.slerpFlat(result,0,values,offset-stride,values,offset,alpha);}return result;}}]);return QuaternionLinearInterpolant;}(Interpolant);/**
1796	 * A Track of quaternion keyframe values.
1797	 */var QuaternionKeyframeTrack=/*#__PURE__*/function(_KeyframeTrack4){_inherits(QuaternionKeyframeTrack,_KeyframeTrack4);var _super107=_createSuper(QuaternionKeyframeTrack);function QuaternionKeyframeTrack(){_classCallCheck(this,QuaternionKeyframeTrack);return _super107.apply(this,arguments);}_createClass(QuaternionKeyframeTrack,[{key:"InterpolantFactoryMethodLinear",value:function InterpolantFactoryMethodLinear(result){return new QuaternionLinearInterpolant(this.times,this.values,this.getValueSize(),result);}}]);return QuaternionKeyframeTrack;}(KeyframeTrack);QuaternionKeyframeTrack.prototype.ValueTypeName='quaternion';// ValueBufferType is inherited
1798QuaternionKeyframeTrack.prototype.DefaultInterpolation=InterpolateLinear;QuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth=undefined;/**
1799	 * A Track that interpolates Strings
1800	 */var StringKeyframeTrack=/*#__PURE__*/function(_KeyframeTrack5){_inherits(StringKeyframeTrack,_KeyframeTrack5);var _super108=_createSuper(StringKeyframeTrack);function StringKeyframeTrack(){_classCallCheck(this,StringKeyframeTrack);return _super108.apply(this,arguments);}return _createClass(StringKeyframeTrack);}(KeyframeTrack);StringKeyframeTrack.prototype.ValueTypeName='string';StringKeyframeTrack.prototype.ValueBufferType=Array;StringKeyframeTrack.prototype.DefaultInterpolation=InterpolateDiscrete;StringKeyframeTrack.prototype.InterpolantFactoryMethodLinear=undefined;StringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth=undefined;/**
1801	 * A Track of vectored keyframe values.
1802	 */var VectorKeyframeTrack=/*#__PURE__*/function(_KeyframeTrack6){_inherits(VectorKeyframeTrack,_KeyframeTrack6);var _super109=_createSuper(VectorKeyframeTrack);function VectorKeyframeTrack(){_classCallCheck(this,VectorKeyframeTrack);return _super109.apply(this,arguments);}return _createClass(VectorKeyframeTrack);}(KeyframeTrack);VectorKeyframeTrack.prototype.ValueTypeName='vector';// ValueBufferType is inherited
1803var AnimationClip=/*#__PURE__*/function(){function AnimationClip(name){var duration=arguments.length>1&&arguments[1]!==undefined?arguments[1]:-1;var tracks=arguments.length>2?arguments[2]:undefined;var blendMode=arguments.length>3&&arguments[3]!==undefined?arguments[3]:NormalAnimationBlendMode;_classCallCheck(this,AnimationClip);this.name=name;this.tracks=tracks;this.duration=duration;this.blendMode=blendMode;this.uuid=generateUUID();// this means it should figure out its duration by scanning the tracks
1804if(this.duration<0){this.resetDuration();}}_createClass(AnimationClip,[{key:"resetDuration",value:function resetDuration(){var tracks=this.tracks;var duration=0;for(var i=0,n=tracks.length;i!==n;++i){var track=this.tracks[i];duration=Math.max(duration,track.times[track.times.length-1]);}this.duration=duration;return this;}},{key:"trim",value:function trim(){for(var i=0;i<this.tracks.length;i++){this.tracks[i].trim(0,this.duration);}return this;}},{key:"validate",value:function validate(){var valid=true;for(var i=0;i<this.tracks.length;

1804i++){valid=valid&&this.tracks[i].validate();}return valid;}},{key:"optimize",value:function optimize(){for(var i=0;i<this.tracks.length;i++){this.tracks[i].optimize();}return this;}},{key:"clone",value:function clone(){var tracks=[];for(var i=0;i<this.tracks.length;i++){tracks.push(this.tracks[i].clone());}return new this.constructor(this.name,this.duration,tracks,this.blendMode);}},{key:"toJSON",value:function toJSON(){return this.constructor.toJSON(this);}}],[{key:"parse",value:function parse(json){var tracks=[],jsonTracks=json.tracks,frameTime=1.0/(json.fps||1.0);for(var i=0,n=jsonTracks.length;i!==n;++i){tracks.push(parseKeyframeTrack(jsonTracks[i]).scale(frameTime));}var clip=new this(json.name,json.duration,tracks,json.blendMode);clip.uuid=json.uuid;return clip;}},{key:"toJSON",value:function toJSON(clip){var tracks=[],clipTracks=clip.tracks;var json={'name':clip.name,'duration':clip.duration,'tracks':tracks,'uuid':clip.uuid,'blendMode':clip.blendMode};for(var i=0,n=clipTracks.length;i!==n;++i){tracks.push(KeyframeTrack.toJSON(clipTracks[i]));}return json;}},{key:"CreateFromMorphTargetSequence",value:function CreateFromMorphTargetSequence(name,morphTargetSequence,fps,noLoop){var numMorphTargets=morphTargetSequence.length;var tracks=[];for(var i=0;i<numMorphTargets;i++){var times=[];var values=[];times.push((i+numMorphTargets-1)%numMorphTargets,i,(i+1)%numMorphTargets);values.push(0,1,0);var order=getKeyframeOrder(times);times=sortedArray(times,1,order);values=sortedArray(values,1,order);// if there is a key at the first frame, duplicate it as the
1805// last frame as well for perfect loop.
1806if(!noLoop&&times[0]===0){times.push(numMorphTargets);values.push(values[0]);}tracks.push(new NumberKeyframeTrack('.morphTargetInfluences['+morphTargetSequence[i].name+']',times,values).scale(1.0/fps));}return new this(name,-1,tracks);}},{key:"findByName",value:function findByName(objectOrClipArray,name){var clipArray=objectOrClipArray;if(!Array.isArray(objectOrClipArray)){var o=objectOrClipArray;clipArray=o.geometry&&o.geometry.animations||o.animations;}for(var i=0;i<clipArray.length;i++){if(clipArray[i].name===name){return clipArray[i];}}return null;}},{key:"CreateClipsFromMorphTargetSequences",value:function CreateClipsFromMorphTargetSequences(morphTargets,fps,noLoop){var animationToMorphTargets={};// tested with https://regex101.com/ on trick sequences
1807// such flamingo_flyA_003, flamingo_run1_003, crdeath0059
1808var pattern=/^([\w-]*?)([\d]+)$/;// sort morph target names into animation groups based
1809// patterns like Walk_001, Walk_002, Run_001, Run_002
1810for(var i=0,il=morphTargets.length;i<il;i++){var morphTarget=morphTargets[i];var parts=morphTarget.name.match(pattern);if(parts&&parts.length>1){var name=parts[1];var animationMorphTargets=animationToMorphTargets[name];if(!animationMorphTargets){animationToMorphTargets[name]=animationMorphTargets=[];}animationMorphTargets.push(morphTarget);}}var clips=[];for(var _name4 in animationToMorphTargets){clips.push(this.CreateFromMorphTargetSequence(_name4,animationToMorphTargets[_name4],fps,noLoop));}return clips;}// parse the animation.hierarchy format
1811},{key:"parseAnimation",value:function parseAnimation(animation,bones){if(!animation){console.error('THREE.AnimationClip: No animation in JSONLoader data.');return null;}var addNonemptyTrack=function addNonemptyTrack(trackType,trackName,animationKeys,propertyName,destTracks){// only return track if there are actually keys.
1812if(animationKeys.length!==0){var times=[];var values=[];flattenJSON(animationKeys,times,values,propertyName);// empty keys are filtered out, so check again
1813if(times.length!==0){destTracks.push(new trackType(trackName,times,values));}}};var tracks=[];var clipName=animation.name||'default';var fps=animation.fps||30;var blendMode=animation.blendMode;// automatic length determination in AnimationClip.
1814var duration=animation.length||-1;var hierarchyTracks=animation.hierarchy||[];for(var h=0;h<hierarchyTracks.length;h++){var animationKeys=hierarchyTracks[h].keys;// skip empty tracks
1815if(!animationKeys||animationKeys.length===0)continue;// process morph targets
1816if(animationKeys[0].morphTargets){// figure out all morph targets used in this track
1817var morphTargetNames={};var k=void 0;for(k=0;k<animationKeys.length;k++){if(animationKeys[k].morphTargets){for(var m=0;m<animationKeys[k].morphTargets.length;m++){morphTargetNames[animationKeys[k].morphTargets[m]]=-1;}}}// create a track for each morph target with all zero
1818// morphTargetInfluences except for the keys in which
1819// the morphTarget is named.
1820for(var morphTargetName in morphTargetNames){var times=[];var values=[];for(var _m=0;_m!==animationKeys[k].morphTargets.length;++_m){var animationKey=animationKeys[k];times.push(animationKey.time);values.push(animationKey.morphTarget===morphTargetName?1:0);}tracks.push(new NumberKeyframeTrack('.morphTargetInfluence['+morphTargetName+']',times,values));}duration=morphTargetNames.length*fps;}else{// ...assume skeletal animation
1821var boneName='.bones['+bones[h].name+']';addNonemptyTrack(VectorKeyframeTrack,boneName+'.position',animationKeys,'pos',tracks);addNonemptyTrack(QuaternionKeyframeTrack,boneName+'.quaternion',animationKeys,'rot',tracks);addNonemptyTrack(VectorKeyframeTrack,boneName+'.scale',animationKeys,'scl',tracks);}}if(tracks.length===0){return null;}var clip=new this(clipName,duration,tracks,blendMode);return clip;}}]);return AnimationClip;}();function getTrackTypeForValueTypeName(typeName){switch(typeName.toLowerCase()){case'scalar':case'double':case'float':case'number':case'integer':return NumberKeyframeTrack;case'vector':case'vector2':case'vector3':case'vector4':return VectorKeyframeTrack;case'color':return ColorKeyframeTrack;case'quaternion':return QuaternionKeyframeTrack;case'bool':case'boolean':return BooleanKeyframeTrack;case'string':return StringKeyframeTrack;}throw new Error('THREE.KeyframeTrack: Unsupported typeName: '+typeName);}function parseKeyframeTrack(json){if(json.type===undefined){throw new Error('THREE.KeyframeTrack: track type undefined, can not parse');}var trackType=getTrackTypeForValueTypeName(json.type);if(json.times===undefined){var times=[],values=[];flattenJSON(json.keys,times,values,'value');json.times=times;json.values=values;}// derived classes can define a static parse method
1822if(trackType.parse!==undefined){return trackType.parse(json);}else{// by default, we assume a constructor compatible with the base
1823return new trackType(json.name,json.times,json.values,json.interpolation);}}var Cache={enabled:false,files:{},add:function add(key,file){if(this.enabled===false)return;

1823// console.log( 'THREE.Cache', 'Adding key:', key );
1824this.files[key]=file;},get:function get(key){if(this.enabled===false)return;// console.log( 'THREE.Cache', 'Checking key:', key );
1825return this.files[key];},remove:function remove(key){delete this.files[key];},clear:function clear(){this.files={};}};var LoadingManager=/*#__PURE__*/_createClass(function LoadingManager(onLoad,onProgress,onError){_classCallCheck(this,LoadingManager);var scope=this;var isLoading=false;var itemsLoaded=0;var itemsTotal=0;var urlModifier=undefined;var handlers=[];// Refer to #5689 for the reason why we don't set .onStart
1826// in the constructor
1827this.onStart=undefined;this.onLoad=onLoad;this.onProgress=onProgress;this.onError=onError;this.itemStart=function(url){itemsTotal++;if(isLoading===false){if(scope.onStart!==undefined){scope.onStart(url,itemsLoaded,itemsTotal);}}isLoading=true;};this.itemEnd=function(url){itemsLoaded++;if(scope.onProgress!==undefined){scope.onProgress(url,itemsLoaded,itemsTotal);}if(itemsLoaded===itemsTotal){isLoading=false;if(scope.onLoad!==undefined){scope.onLoad();}}};this.itemError=function(url){if(scope.onError!==undefined){scope.onError(url);}};this.resolveURL=function(url){if(urlModifier){return urlModifier(url);}return url;};this.setURLModifier=function(transform){urlModifier=transform;return this;};this.addHandler=function(regex,loader){handlers.push(regex,loader);return this;};this.removeHandler=function(regex){var index=handlers.indexOf(regex);if(index!==-1){handlers.splice(index,2);}return this;};this.getHandler=function(file){for(var i=0,l=handlers.length;i<l;i+=2){var regex=handlers[i];var loader=handlers[i+1];if(regex.global)regex.lastIndex=0;// see #17920
1828if(regex.test(file)){return loader;}}return null;};});var DefaultLoadingManager=/*@__PURE__*/new LoadingManager();var Loader=/*#__PURE__*/function(){function Loader(manager){_classCallCheck(this,Loader);this.manager=manager!==undefined?manager:DefaultLoadingManager;this.crossOrigin='anonymous';this.withCredentials=false;this.path='';this.resourcePath='';this.requestHeader={};}_createClass(Loader,[{key:"load",value:function load(){}},{key:"loadAsync",value:function loadAsync(url,onProgress){var scope=this;return new Promise(function(resolve,reject){scope.load(url,resolve,onProgress,reject);});}},{key:"parse",value:function parse(){}},{key:"setCrossOrigin",value:function setCrossOrigin(crossOrigin){this.crossOrigin=crossOrigin;return this;}},{key:"setWithCredentials",value:function setWithCredentials(value){this.withCredentials=value;return this;}},{key:"setPath",value:function setPath(path){this.path=path;return this;}},{key:"setResourcePath",value:function setResourcePath(resourcePath){this.resourcePath=resourcePath;return this;}},{key:"setRequestHeader",value:function setRequestHeader(requestHeader){this.requestHeader=requestHeader;return this;}}]);return Loader;}();var loading={};var HttpError=/*#__PURE__*/function(_Error){_inherits(HttpError,_Error);var _super110=_createSuper(HttpError);function HttpError(message,response){var _this92;_classCallCheck(this,HttpError);_this92=_super110.call(this,message);_this92.response=response;return _this92;}return _createClass(HttpError);}(/*#__PURE__*/_wrapNativeSuper(Error));var FileLoader=/*#__PURE__*/function(_Loader){_inherits(FileLoader,_Loader);var _super111=_createSuper(FileLoader);function FileLoader(manager){_classCallCheck(this,FileLoader);return _super111.call(this,manager);}_createClass(FileLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){var _this93=this;if(url===undefined)url='';if(this.path!==undefined)url=this.path+url;url=this.manager.resolveURL(url);var cached=Cache.get(url);if(cached!==undefined){this.manager.itemStart(url);setTimeout(function(){if(onLoad)onLoad(cached);_this93.manager.itemEnd(url);},0);return cached;}// Check if request is duplicate
1829if(loading[url]!==undefined){loading[url].push({onLoad:onLoad,onProgress:onProgress,onError:onError});return;}// Initialise array for duplicate requests
1830loading[url]=[];loading[url].push({onLoad:onLoad,onProgress:onProgress,onError:onError});// create request

1831var req=new Request(url,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?'include':'same-origin'// An abort controller could be added within a future PR
1832});// record states ( avoid data race )
1833var mimeType=this.mimeType;var responseType=this.responseType;// start the fetch
1834fetch(req).then(function(response){if(response.status===200||response.status===0){// Some browsers return HTTP Status 0 when using non-http protocol
1835// e.g. 'file://' or 'data://'. Handle as success.
1836if(response.status===0){console.warn('THREE.FileLoader: HTTP Status 0 received.');}// Workaround: Checking if response.body === undefined for Alipay browser #23548
1837if(typeof ReadableStream==='undefined'||response.body===undefined||response.body.getReader===undefined){return response;}var callbacks=loading[url];var reader=response.body.getReader();var contentLength=response.headers.get('Content-Length');var total=contentLength?parseInt(contentLength):0;var lengthComputable=total!==0;var loaded=0;// periodically read data into the new stream tracking while download progress
1838var stream=new ReadableStream({start:function start(controller){readData();function readData(){reader.read().then(function(_ref2){var done=_ref2.done,value=_ref2.value;if(done){controller.close();}else{loaded+=value.byteLength;var event=new ProgressEvent('progress',{lengthComputable:lengthComputable,loaded:loaded,total:total});for(var i=0,il=callbacks.length;i<il;i++){var callback=callbacks[i];if(callback.onProgress)callback.onProgress(event);}controller.enqueue(value);readData();}});}}});return new Response(stream);}else{throw new HttpError("fetch for \"".concat(response.url,"\" responded with ").concat(response.status,": ").concat(response.statusText),response);}}).then(function(response){switch(responseType){case'arraybuffer':return response.arrayBuffer();case'blob':return response.blob();case'document':return response.text().then(function(text){var parser=new DOMParser();return parser.parseFromString(text,mimeType);});case'json':return response.json();default:if(mimeType===undefined){return response.text();}else{// sniff encoding
1839var re=/charset="?([^;"\s]*)"?/i;var exec=re.exec(mimeType);var label=exec&&exec[1]?exec[1].toLowerCase():undefined;var decoder=new TextDecoder(label);return response.arrayBuffer().then(function(ab){return decoder.decode(ab);});}}}).then(function(data){// Add to cache only on HTTP success, so that we do not cache
1840// error response bodies as proper responses to requests.
1841Cache.add(url,data);var callbacks=loading[url];delete loading[url];for(var i=0,il=callbacks.length;i<il;i++){var callback=callbacks[i];if(callback.onLoad)callback.onLoad(data);}}).catch(function(err){// Abort errors and other errors are handled the same
1842var callbacks=loading[url];if(callbacks===undefined){// When onLoad was called and url was deleted in `loading`
1843_this93.manager.itemError(url);throw err;}delete loading[url];for(var i=0,il=callbacks.length;i<il;i++){var callback=callbacks[i];if(callback.onError)callback.onError(err);}_this93.manager.itemError(url);}).finally(function(){_this93.manager.itemEnd(url);});this.manager.itemStart(url);}},{key:"setResponseType",value:function setResponseType(value){this.responseType=value;return this;}},{key:"setMimeType",value:function setMimeType(value){this.mimeType=value;return this;}}]);return FileLoader;}(Loader);var AnimationLoader=/*#__PURE__*/function(_Loader2){_inherits(AnimationLoader,_Loader2);var _super112=_createSuper(AnimationLoader);function AnimationLoader(manager){_classCallCheck(this,AnimationLoader);return _super112.call(this,manager);}_createClass(AnimationLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){var scope=this;var loader=new FileLoader(this.manager);loader.setPath(this.path);loader.setRequestHeader(this.requestHeader);loader.setWithCredentials(this.withCredentials);loader.load(url,function(text){try{onLoad(scope.parse(JSON.parse(text)));}catch(e){if(onError){onError(e);}else{console.error(e);}scope.manager.itemError(url);}},onProgress,onError);}},{key:"parse",value:function parse(json){var animations=[];for(var i=0;i<json.length;i++){var clip=AnimationClip.parse(json[i]);animations.push(clip);}return animations;}}]);return AnimationLoader;}(Loader);/**
1844	 * Abstract Base class to block based textures loader (dds, pvr, ...)
1845	 *
1846	 * Sub classes have to implement the parse() method which will be used in load().
1847	 */var CompressedTextureLoader=/*#__PURE__*/function(_Loader3){_inherits(CompressedTextureLoader,_Loader3);var _super113=_createSuper(CompressedTextureLoader);function CompressedTextureLoader(manager){_classCallCheck(this,CompressedTextureLoader);return _super113.call(this,manager);}_createClass(CompressedTextureLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){var scope=this;var images=[];var texture=new CompressedTexture();var loader=new FileLoader(this.manager);loader.setPath(this.path);loader.setResponseType('arraybuffer');loader.setRequestHeader(this.requestHeader);loader.setWithCredentials(scope.withCredentials);var loaded=0;function loadTexture(i){loader.load(url[i],function(buffer){var texDatas=scope.parse(buffer,true);images[i]={width:texDatas.width,height:texDatas.height,format:texDatas.format,mipmaps:texDatas.mipmaps};loaded+=1;if(loaded===6){if(texDatas.mipmapCount===1)texture.minFilter=LinearFilter;texture.image=images;texture.format=texDatas.format;texture.needsUpdate=true;if(onLoad)onLoad(texture);}},onProgress,onError);}if(Array.isArray(url)){for(var i=0,il=url.length;i<il;++i){loadTexture(i);}}else{// compressed cubemap texture stored in a single DDS file
1848loader.load(url,function(buffer){var texDatas=scope.parse(buffer,true);if(texDatas.isCubemap){var faces=texDatas.mipmaps.length/texDatas.mipmapCount;for(var f=0;f<faces;f++){images[f]={mipmaps:[]};for(var _i84=0;_i84<texDatas.mipmapCount;_i84++){images[f].mipmaps.push(texDatas.mipmaps[f*texDatas.mipmapCount+_i84]);images[f].format=texDatas.format;images[f].width=texDatas.width;images[f].height=texDatas.height;}}texture.image=images;}else{texture.image.width=texDatas.width;texture.image.height=texDatas.height;texture.mipmaps=texDatas.mipmaps;}if(texDatas.mipmapCount===1){texture.minFilter=LinearFilter;}texture.format=texDatas.format;texture.needsUpdate=true;if(onLoad)onLoad(texture);},onProgress,onError);}return texture;}}]);return CompressedTextureLoader;}(Loader);var ImageLoader=/*#__PURE__*/function(_Loader4){_inherits(ImageLoader,_Loader4);var _super114=_createSuper(ImageLoader);function ImageLoader(manager){_classCallCheck(this,ImageLoader);return _super114.call(this,manager);}_createClass(ImageLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){if(this.path!==undefined)url=this.path+url;url=this.manager.resolveURL(url);var scope=this;var cached=Cache.get(url);if(cached!==undefined){scope.manager.itemStart(url);setTimeout(function(){if(onLoad)onLoad(cached);scope.manager.itemEnd(url);},0);return cached;}var image=createElementNS('img');function onImageLoad(){removeEventListeners();Cache.add(url,this);if(onLoad)onLoad(this);scope.manager.itemEnd(url);}function onImageError(event){removeEventListeners();if(onError)onError(event);scope.manager.itemError(url);scope.manager.itemEnd(url);}function removeEventListeners(){image.removeEventListener('load',onImageLoad,false);image.removeEventListener('error',onImageError,false);}image.addEventListener('load',onImageLoad,false);image.addEventListener('error',onImageError,false);

1848if(url.slice(0,5)!=='data:'){if(this.crossOrigin!==undefined)image.crossOrigin=this.crossOrigin;}scope.manager.itemStart(url);image.src=url;return image;}}]);return ImageLoader;}(Loader);var CubeTextureLoader=/*#__PURE__*/function(_Loader5){_inherits(CubeTextureLoader,_Loader5);var _super115=_createSuper(CubeTextureLoader);function CubeTextureLoader(manager){_classCallCheck(this,CubeTextureLoader);return _super115.call(this,manager);}_createClass(CubeTextureLoader,[{key:"load",value:function load(urls,onLoad,onProgress,onError){var texture=new CubeTexture();var loader=new ImageLoader(this.manager);loader.setCrossOrigin(this.crossOrigin);loader.setPath(this.path);var loaded=0;function loadTexture(i){loader.load(urls[i],function(image){texture.images[i]=image;loaded++;if(loaded===6){texture.needsUpdate=true;if(onLoad)onLoad(texture);}},undefined,onError);}for(var i=0;i<urls.length;++i){loadTexture(i);}return texture;}}]);return CubeTextureLoader;}(Loader);/**
1849	 * Abstract Base class to load generic binary textures formats (rgbe, hdr, ...)
1850	 *
1851	 * Sub classes have to implement the parse() method which will be used in load().
1852	 */var DataTextureLoader=/*#__PURE__*/function(_Loader6){_inherits(DataTextureLoader,_Loader6);var _super116=_createSuper(DataTextureLoader);function DataTextureLoader(manager){_classCallCheck(this,DataTextureLoader);return _super116.call(this,manager);}_createClass(DataTextureLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){var scope=this;var texture=new DataTexture();var loader=new FileLoader(this.manager);loader.setResponseType('arraybuffer');loader.setRequestHeader(this.requestHeader);loader.setPath(this.path);loader.setWithCredentials(scope.withCredentials);loader.load(url,function(buffer){var texData=scope.parse(buffer);if(!texData)return;if(texData.image!==undefined){texture.image=texData.image;}else if(texData.data!==undefined){texture.image.width=texData.width;texture.image.height=texData.height;texture.image.data=texData.data;}texture.wrapS=texData.wrapS!==undefined?texData.wrapS:ClampToEdgeWrapping;texture.wrapT=texData.wrapT!==undefined?texData.wrapT:ClampToEdgeWrapping;texture.magFilter=texData.magFilter!==undefined?texData.magFilter:LinearFilter;texture.minFilter=texData.minFilter!==undefined?texData.minFilter:LinearFilter;texture.anisotropy=texData.anisotropy!==undefined?texData.anisotropy:1;if(texData.encoding!==undefined){texture.encoding=texData.encoding;}if(texData.flipY!==undefined){texture.flipY=texData.flipY;}if(texData.format!==undefined){texture.format=texData.format;}if(texData.type!==undefined){texture.type=texData.type;}

1852if(texData.mipmaps!==undefined){texture.mipmaps=texData.mipmaps;texture.minFilter=LinearMipmapLinearFilter;// presumably...
1853}if(texData.mipmapCount===1){texture.minFilter=LinearFilter;}if(texData.generateMipmaps!==undefined){texture.generateMipmaps=texData.generateMipmaps;}texture.needsUpdate=true;if(onLoad)onLoad(texture,texData);},onProgress,onError);return texture;}}]);return DataTextureLoader;}(Loader);var TextureLoader=/*#__PURE__*/function(_Loader7){_inherits(TextureLoader,_Loader7);var _super117=_createSuper(TextureLoader);function TextureLoader(manager){_classCallCheck(this,TextureLoader);return _super117.call(this,manager);}_createClass(TextureLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){var texture=new Texture();var loader=new ImageLoader(this.manager);loader.setCrossOrigin(this.crossOrigin);loader.setPath(this.path);loader.load(url,function(image){texture.image=image;texture.needsUpdate=true;if(onLoad!==undefined){onLoad(texture);}},onProgress,onError);return texture;}}]);return TextureLoader;}(Loader);var Light=/*#__PURE__*/function(_Object3D11){_inherits(Light,_Object3D11);var _super118=_createSuper(Light);function Light(color){var _this94;var intensity=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;_classCallCheck(this,Light);_this94=_super118.call(this);_this94.isLight=true;_this94.type='Light';_this94.color=new Color(color);_this94.intensity=intensity;return _this94;}_createClass(Light,[{key:"dispose",value:function dispose(){// Empty here in base class; some subclasses override.
1854}},{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(Light.prototype),"copy",this).call(this,source,recursive);this.color.copy(source.color);this.intensity=source.intensity;return this;}},{key:"toJSON",value:function toJSON(meta){var data=_get(_getPrototypeOf(Light.prototype),"toJSON",this).call(this,meta);data.object.color=this.color.getHex();data.object.intensity=this.intensity;if(this.groundColor!==undefined)data.object.groundColor=this.groundColor.getHex();if(this.distance!==undefined)data.object.distance=this.distance;if(this.angle!==undefined)data.object.angle=this.angle;if(this.decay!==undefined)data.object.decay=this.decay;if(this.penumbra!==undefined)data.object.penumbra=this.penumbra;if(this.shadow!==undefined)data.object.shadow=this.shadow.toJSON();return data;}}]);return Light;}(Object3D);var HemisphereLight=/*#__PURE__*/function(_Light){_inherits(HemisphereLight,_Light);var _super119=_createSuper(HemisphereLight);function HemisphereLight(skyColor,groundColor,intensity){var _this95;_classCallCheck(this,HemisphereLight);_this95=_super119.call(this,skyColor,intensity);_this95.isHemisphereLight=true;_this95.type='HemisphereLight';_this95.position.copy(Object3D.DefaultUp);_this95.updateMatrix();_this95.groundColor=new Color(groundColor);return _this95;}_createClass(HemisphereLight,[{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(HemisphereLight.prototype),"copy",this).call(this,source,recursive);this.groundColor.copy(source.groundColor);return this;}}]);return HemisphereLight;}(Light);var _projScreenMatrix$1=/*@__PURE__*/new Matrix4();var _lightPositionWorld$1=/*@__PURE__*/new Vector3();var _lookTarget$1=/*@__PURE__*/new Vector3();var LightShadow=/*#__PURE__*/function(){function LightShadow(camera){_classCallCheck(this,LightShadow);this.camera=camera;this.bias=0;this.normalBias=0;this.radius=1;this.blurSamples=8;this.mapSize=new Vector2(512,512);this.map=null;this.mapPass=null;this.matrix=new Matrix4();this.autoUpdate=true;this.needsUpdate=false;this._frustum=new Frustum();this._frameExtents=new Vector2(1,1);this._viewportCount=1;this._viewports=[new Vector4(0,0,1,1)];}_createClass(LightShadow,[{key:"getViewportCount",value:function getViewportCount(){return this._viewportCount;}},{key:"getFrustum",value:function getFrustum(){return this._frustum;}},{key:"updateMatrices",value:function updateMatrices(light){var shadowCamera=this.camera;var shadowMatrix=this.matrix;_lightPositionWorld$1.setFromMatrixPosition(light.matrixWorld);shadowCamera.position.copy(_lightPositionWorld$1);_lookTarget$1.setFromMatrixPosition(light.target.matrixWorld);shadowCamera.lookAt(_lookTarget$1);shadowCamera.updateMatrixWorld();_projScreenMatrix$1.multiplyMatrices(shadowCamera.projectionMatrix,shadowCamera.matrixWorldInverse);this._frustum.setFromProjectionMatrix(_projScreenMatrix$1);shadowMatrix.set(0.5,0.0,0.0,0.5,0.0,0.5,0.0,0.5,0.0,0.0,0.5,0.5,0.0,0.0,0.0,1.0);shadowMatrix.multiply(shadowCamera.projectionMatrix);shadowMatrix.multiply(shadowCamera.matrixWorldInverse);}},{key:"getViewport",value:function getViewport(viewportIndex){return this._viewports[viewportIndex];}},{key:"getFrameExtents",value:function getFrameExtents(){return this._frameExtents;}},{key:"dispose",value:function dispose(){if(this.map){this.map.dispose();}if(this.mapPass){this.mapPass.dispose();}}},{key:"copy",value:function copy(source){this.camera=source.camera.clone();this.bias=source.bias;

1854this.radius=source.radius;this.mapSize.copy(source.mapSize);return this;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"toJSON",value:function toJSON(){var object={};if(this.bias!==0)object.bias=this.bias;if(this.normalBias!==0)object.normalBias=this.normalBias;if(this.radius!==1)object.radius=this.radius;if(this.mapSize.x!==512||this.mapSize.y!==512)object.mapSize=this.mapSize.toArray();object.camera=this.camera.toJSON(false).object;delete object.camera.matrix;return object;}}]);return LightShadow;}();var SpotLightShadow=/*#__PURE__*/function(_LightShadow){_inherits(SpotLightShadow,_LightShadow);var _super120=_createSuper(SpotLightShadow);function SpotLightShadow(){var _this96;_classCallCheck(this,SpotLightShadow);_this96=_super120.call(this,new PerspectiveCamera(50,1,0.5,500));_this96.isSpotLightShadow=true;_this96.focus=1;return _this96;}_createClass(SpotLightShadow,[{key:"updateMatrices",value:function updateMatrices(light){var camera=this.camera;var fov=RAD2DEG*2*light.angle*this.focus;var aspect=this.mapSize.width/this.mapSize.height;var far=light.distance||camera.far;if(fov!==camera.fov||aspect!==camera.aspect||far!==camera.far){camera.fov=fov;camera.aspect=aspect;camera.far=far;camera.updateProjectionMatrix();}_get(_getPrototypeOf(SpotLightShadow.prototype),"updateMatrices",this).call(this,light);}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(SpotLightShadow.prototype),"copy",this).call(this,source);this.focus=source.focus;return this;}}]);return SpotLightShadow;}(LightShadow);var SpotLight=/*#__PURE__*/function(_Light2){_inherits(SpotLight,_Light2);var _super121=_createSuper(SpotLight);function SpotLight(color,intensity){var _this97;var distance=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var angle=arguments.length>3&&arguments[3]!==undefined?arguments[3]:Math.PI/3;var penumbra=arguments.length>4&&arguments[4]!==undefined?arguments[4]:0;var decay=arguments.length>5&&arguments[5]!==undefined?arguments[5]:1;_classCallCheck(this,SpotLight);_this97=_super121.call(this,color,intensity);_this97.isSpotLight=true;_this97.type='SpotLight';_this97.position.copy(Object3D.DefaultUp);_this97.updateMatrix();_this97.target=new Object3D();_this97.distance=distance;_this97.angle=angle;_this97.penumbra=penumbra;_this97.decay=decay;// for physically correct lights, should be 2.
1855_this97.shadow=new SpotLightShadow();return _this97;}_createClass(SpotLight,[{key:"power",get:function get(){// compute the light's luminous power (in lumens) from its intensity (in candela)
1856// by convention for a spotlight, luminous power (lm) = π * luminous intensity (cd)
1857return this.intensity*Math.PI;},set:function set(power){// set the light's intensity (in candela) from the desired luminous power (in lumens)
1858this.intensity=power/Math.PI;}},{key:"dispose",value:function dispose(){this.shadow.dispose();}},{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(SpotLight.prototype),"copy",this).call(this,source,recursive);this.distance=source.distance;this.angle=source.angle;this.penumbra=source.penumbra;this.decay=source.decay;this.target=source.target.clone();this.shadow=source.shadow.clone();return this;}}]);return SpotLight;}(Light);var _projScreenMatrix=/*@__PURE__*/new Matrix4();var _lightPositionWorld=/*@__PURE__*/new Vector3();var _lookTarget=/*@__PURE__*/new Vector3();var PointLightShadow=/*#__PURE__*/function(_LightShadow2){_inherits(PointLightShadow,_LightShadow2);var _super122=_createSuper(PointLightShadow);function PointLightShadow(){var _this98;_classCallCheck(this,PointLightShadow);_this98=_super122.call(this,new PerspectiveCamera(90,1,0.5,500));_this98.isPointLightShadow=true;_this98._frameExtents=new Vector2(4,2);_this98._viewportCount=6;_this98._viewports=[// These viewports map a cube-map onto a 2D texture with the
1859// following orientation:
1860//
1861//	xzXZ
1862//	 y Y
1863//
1864// X - Positive x direction
1865// x - Negative x direction
1866// Y - Positive y direction
1867// y - Negative y direction
1868// Z - Positive z direction
1869// z - Negative z direction
1870// positive X
1871new Vector4(2,1,1,1),// negative X
1872new Vector4(0,1,1,1),// positive Z
1873new Vector4(3,1,1,1),// negative Z
1874new Vector4(1,1,1,1),// positive Y
1875new Vector4(3,0,1,1),// negative Y
1876new Vector4(1,0,1,1)];_this98._cubeDirections=[new Vector3(1,0,0),new Vector3(-1,0,0),new Vector3(0,0,1),new Vector3(0,0,-1),new Vector3(0,1,0),new Vector3(0,-1,0)];_this98._cubeUps=[new Vector3(0,1,0),new Vector3(0,1,0),new Vector3(0,1,0),new Vector3(0,1,0),new Vector3(0,0,1),new Vector3(0,0,-1)];return _this98;}_createClass(PointLightShadow,[{key:"updateMatrices",value:function updateMatrices(light){var viewportIndex=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var camera=this.camera;var shadowMatrix=this.matrix;

1876var far=light.distance||camera.far;if(far!==camera.far){camera.far=far;camera.updateProjectionMatrix();}_lightPositionWorld.setFromMatrixPosition(light.matrixWorld);camera.position.copy(_lightPositionWorld);_lookTarget.copy(camera.position);_lookTarget.add(this._cubeDirections[viewportIndex]);camera.up.copy(this._cubeUps[viewportIndex]);camera.lookAt(_lookTarget);camera.updateMatrixWorld();shadowMatrix.makeTranslation(-_lightPositionWorld.x,-_lightPositionWorld.y,-_lightPositionWorld.z);_projScreenMatrix.multiplyMatrices(camera.projectionMatrix,camera.matrixWorldInverse);this._frustum.setFromProjectionMatrix(_projScreenMatrix);}}]);return PointLightShadow;}(LightShadow);var PointLight=/*#__PURE__*/function(_Light3){_inherits(PointLight,_Light3);var _super123=_createSuper(PointLight);function PointLight(color,intensity){var _this99;var distance=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var decay=arguments.length>3&&arguments[3]!==undefined?arguments[3]:1;_classCallCheck(this,PointLight);_this99=_super123.call(this,color,intensity);_this99.isPointLight=true;_this99.type='PointLight';_this99.distance=distance;_this99.decay=decay;// for physically correct lights, should be 2.
1877_this99.shadow=new PointLightShadow();return _this99;}_createClass(PointLight,[{key:"power",get:function get(){// compute the light's luminous power (in lumens) from its intensity (in candela)
1878// for an isotropic light source, luminous power (lm) = 4 π luminous intensity (cd)
1879return this.intensity*4*Math.PI;},set:function set(power){// set the light's intensity (in candela) from the desired luminous power (in lumens)
1880this.intensity=power/(4*Math.PI);}},{key:"dispose",value:function dispose(){this.shadow.dispose();}},{key:"copy",value:function copy(source,recursive){_get(_getPrototypeOf(PointLight.prototype),"copy",this).call(this,source,recursive);this.distance=source.distance;this.decay=source.decay;this.shadow=source.shadow.clone();return this;}}]);return PointLight;}(Light);var DirectionalLightShadow=/*#__PURE__*/function(_LightShadow3){_inherits(DirectionalLightShadow,_LightShadow3);var _super124=_createSuper(DirectionalLightShadow);function DirectionalLightShadow(){var _this100;_classCallCheck(this,DirectionalLightShadow);_this100=_super124.call(this,new OrthographicCamera(-5,5,5,-5,0.5,500));_this100.isDirectionalLightShadow=true;return _this100;}return _createClass(DirectionalLightShadow);}(LightShadow);var DirectionalLight=/*#__PURE__*/function(_Light4){_inherits(DirectionalLight,_Light4);var _super125=_createSuper(DirectionalLight);function DirectionalLight(color,intensity){var _this101;_classCallCheck(this,DirectionalLight);_this101=_super125.call(this,color,intensity);_this101.isDirectionalLight=true;_this101.type='DirectionalLight';_this101.position.copy(Object3D.DefaultUp);_this101.updateMatrix();_this101.target=new Object3D();_this101.shadow=new DirectionalLightShadow();return _this101;}_createClass(DirectionalLight,[{key:"dispose",value:function dispose(){this.shadow.dispose();}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(DirectionalLight.prototype),"copy",this).call(this,source);this.target=source.target.clone();this.shadow=source.shadow.clone();return this;}}]);return DirectionalLight;}(Light);var AmbientLight=/*#__PURE__*/function(_Light5){_inherits(AmbientLight,_Light5);var _super126=_createSuper(AmbientLight);function AmbientLight(color,intensity){var _this102;_classCallCheck(this,AmbientLight);_this102=_super126.call(this,color,intensity);_this102.isAmbientLight=true;_this102.type='AmbientLight';return _this102;}return _createClass(AmbientLight);}(Light);var RectAreaLight=/*#__PURE__*/function(_Light6){_inherits(RectAreaLight,_Light6);var _super127=_createSuper(RectAreaLight);function RectAreaLight(color,intensity){var _this103;var width=arguments.length>2&&arguments[2]!==undefined?arguments[2]:10;var height=arguments.length>3&&arguments[3]!==undefined?arguments[3]:10;_classCallCheck(this,RectAreaLight);_this103=_super127.call(this,color,intensity);_this103.isRectAreaLight=true;_this103.type='RectAreaLight';_this103.width=width;_this103.height=height;return _this103;}

1880_createClass(RectAreaLight,[{key:"power",get:function get(){// compute the light's luminous power (in lumens) from its intensity (in nits)
1881return this.intensity*this.width*this.height*Math.PI;},set:function set(power){// set the light's intensity (in nits) from the desired luminous power (in lumens)
1882this.intensity=power/(this.width*this.height*Math.PI);}},{key:"copy",value:function copy(source){_get(_getPrototypeOf(RectAreaLight.prototype),"copy",this).call(this,source);this.width=source.width;this.height=source.height;return this;}},{key:"toJSON",value:function toJSON(meta){var data=_get(_getPrototypeOf(RectAreaLight.prototype),"toJSON",this).call(this,meta);data.object.width=this.width;data.object.height=this.height;return data;}}]);return RectAreaLight;}(Light);/**
1883	 * Primary reference:
1884	 *	 https://graphics.stanford.edu/papers/envmap/envmap.pdf
1885	 *
1886	 * Secondary reference:
1887	 *	 https://www.ppsloan.org/publications/StupidSH36.pdf
1888	 */ // 3-band SH defined by 9 coefficients
1889var SphericalHarmonics3=/*#__PURE__*/function(){function SphericalHarmonics3(){_classCallCheck(this,SphericalHarmonics3);this.isSphericalHarmonics3=true;this.coefficients=[];for(var i=0;i<9;i++){this.coefficients.push(new Vector3());}}_createClass(SphericalHarmonics3,[{key:"set",value:function set(coefficients){for(var i=0;i<9;i++){this.coefficients[i].copy(coefficients[i]);}return this;}},{key:"zero",value:function zero(){for(var i=0;i<9;i++){this.coefficients[i].set(0,0,0);}return this;}// get the radiance in the direction of the normal
1890// target is a Vector3
1891},{key:"getAt",value:function getAt(normal,target){// normal is assumed to be unit length
1892var x=normal.x,y=normal.y,z=normal.z;var coeff=this.coefficients;// band 0
1893target.copy(coeff[0]).multiplyScalar(0.282095);// band 1
1894target.addScaledVector(coeff[1],0.488603*y);target.addScaledVector(coeff[2],0.488603*z);target.addScaledVector(coeff[3],0.488603*x);// band 2
1895target.addScaledVector(coeff[4],1.092548*(x*y));target.addScaledVector(coeff[5],1.092548*(y*z));target.addScaledVector(coeff[6],0.315392*(3.0*z*z-1.0));target.addScaledVector(coeff[7],1.092548*(x*z));target.addScaledVector(coeff[8],0.546274*(x*x-y*y));return target;}// get the irradiance (radiance convolved with cosine lobe) in the direction of the normal
1896// target is a Vector3
1897// https://graphics.stanford.edu/papers/envmap/envmap.pdf
1898},{key:"getIrradianceAt",value:function getIrradianceAt(normal,target){// normal is assumed to be unit length
1899var x=normal.x,y=normal.y,z=normal.z;var coeff=this.coefficients;// band 0
1900target.copy(coeff[0]).multiplyScalar(0.886227);// π * 0.282095
1901// band 1
1902target.addScaledVector(coeff[1],2.0*0.511664*y);// ( 2 * π / 3 ) * 0.488603
1903target.addScaledVector(coeff[2],2.0*0.511664*z);target.addScaledVector(coeff[3],2.0*0.511664*x);// band 2
1904target.addScaledVector(coeff[4],2.0*0.429043*x*y);// ( π / 4 ) * 1.092548
1905target.addScaledVector(coeff[5],2.0*0.429043*y*z);target.addScaledVector(coeff[6],0.743125*z*z-0.247708);// ( π / 4 ) * 0.315392 * 3
1906target.addScaledVector(coeff[7],2.0*0.429043*x*z);target.addScaledVector(coeff[8],0.429043*(x*x-y*y));// ( π / 4 ) * 0.546274
1907return target;}},{key:"add",value:function add(sh){for(var i=0;i<9;i++){this.coefficients[i].add(sh.coefficients[i]);}return this;}},{key:"addScaledSH",value:function addScaledSH(sh,s){for(var i=0;i<9;i++){this.coefficients[i].addScaledVector(sh.coefficients[i],s);}return this;}},{key:"scale",value:function scale(s){for(var i=0;i<9;i++){this.coefficients[i].multiplyScalar(s);}return this;}},{key:"lerp",value:function lerp(sh,alpha){for(var i=0;i<9;i++){this.coefficients[i].lerp(sh.coefficients[i],alpha);}return this;}},{key:"equals",value:function equals(sh){for(var i=0;i<9;i++){if(!this.coefficients[i].equals(sh.coefficients[i])){return false;}}return true;}},{key:"copy",value:function copy(sh){return this.set(sh.coefficients);}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"fromArray",value:function fromArray(array){var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var coefficients=this.coefficients;for(var i=0;i<9;i++){coefficients[i].fromArray(array,offset+i*3);}return this;}},{key:"toArray",value:function toArray(){var array=arguments.length>0&&arguments[0]!==undefined?arguments[0]:[];var offset=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var coefficients=this.coefficients;for(var i=0;i<9;i++){coefficients[i].toArray(array,offset+i*3);}return array;}// evaluate the basis functions
1908// shBasis is an Array[ 9 ]
1909}],[{key:"getBasisAt",value:function getBasisAt(normal,shBasis){// normal is assumed to be unit length
1910var x=normal.x,y=normal.y,z=normal.z;// band 0
1911shBasis[0]=0.282095;// band 1
1912shBasis[1]=0.488603*y;shBasis[2]=0.488603*z;shBasis[3]=0.488603*x;// band 2
1913shBasis[4]=1.092548*x*y;shBasis[5]=1.092548*y*z;shBasis[6]=0.315392*(3*z*z-1);shBasis[7]=1.092548*x*z;shBasis[8]=0.546274*(x*x-y*y);}}]);return SphericalHarmonics3;}();var LightProbe=/*#__PURE__*/function(_Light7){_inherits(LightProbe,_Light7);var _super128=_createSuper(LightProbe);function LightProbe(){var _this104;var sh=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new SphericalHarmonics3();var intensity=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;_classCallCheck(this,LightProbe);_this104=_super128.call(this,undefined,intensity);_this104.isLightProbe=true;_this104.sh=sh;return _this104;}

1913_createClass(LightProbe,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(LightProbe.prototype),"copy",this).call(this,source);this.sh.copy(source.sh);return this;}},{key:"fromJSON",value:function fromJSON(json){this.intensity=json.intensity;// TODO: Move this bit to Light.fromJSON();
1914this.sh.fromArray(json.sh);return this;}},{key:"toJSON",value:function toJSON(meta){var data=_get(_getPrototypeOf(LightProbe.prototype),"toJSON",this).call(this,meta);data.object.sh=this.sh.toArray();return data;}}]);return LightProbe;}(Light);var MaterialLoader=/*#__PURE__*/function(_Loader8){_inherits(MaterialLoader,_Loader8);var _super129=_createSuper(MaterialLoader);function MaterialLoader(manager){var _this105;_classCallCheck(this,MaterialLoader);_this105=_super129.call(this,manager);_this105.textures={};return _this105;}_createClass(MaterialLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){var scope=this;var loader=new FileLoader(scope.manager);loader.setPath(scope.path);loader.setRequestHeader(scope.requestHeader);loader.setWithCredentials(scope.withCredentials);loader.load(url,function(text){try{onLoad(scope.parse(JSON.parse(text)));}catch(e){if(onError){onError(e);}else{console.error(e);}scope.manager.itemError(url);}},onProgress,onError);}},{key:"parse",value:function parse(json){var textures=this.textures;function getTexture(name){if(textures[name]===undefined){console.warn('THREE.MaterialLoader: Undefined texture',name);}return textures[name];}var material=MaterialLoader.createMaterialFromType(json.type);if(json.uuid!==undefined)material.uuid=json.uuid;if(json.name!==undefined)material.name=json.name;if(json.color!==undefined&&material.color!==undefined)material.color.setHex(json.color);if(json.roughness!==undefined)material.roughness=json.roughness;if(json.metalness!==undefined)material.metalness=json.metalness;if(json.sheen!==undefined)material.sheen=json.sheen;if(json.sheenColor!==undefined)material.sheenColor=new Color().setHex(json.sheenColor);if(json.sheenRoughness!==undefined)material.sheenRoughness=json.sheenRoughness;if(json.emissive!==undefined&&material.emissive!==undefined)material.emissive.setHex(json.emissive);if(json.specular!==undefined&&material.specular!==undefined)material.specular.setHex(json.specular);if(json.specularIntensity!==undefined)material.specularIntensity=json.specularIntensity;if(json.specularColor!==undefined&&material.specularColor!==undefined)material.specularColor.setHex(json.specularColor);if(json.shininess!==undefined)material.shininess=json.shininess;if(json.clearcoat!==undefined)material.clearcoat=json.clearcoat;if(json.clearcoatRoughness!==undefined)material.clearcoatRoughness=json.clearcoatRoughness;if(json.iridescence!==undefined)material.iridescence=json.iridescence;if(json.iridescenceIOR!==undefined)material.iridescenceIOR=json.iridescenceIOR;if(json.iridescenceThicknessRange!==undefined)material.iridescenceThicknessRange=json.iridescenceThicknessRange;if(json.transmission!==undefined)material.transmission=json.transmission;if(json.thickness!==undefined)material.thickness=json.thickness;if(json.attenuationDistance!==undefined)material.attenuationDistance=json.attenuationDistance;if(json.attenuationColor!==undefined&&material.attenuationColor!==undefined)material.attenuationColor.setHex(json.attenuationColor);if(json.fog!==undefined)material.fog=json.fog;if(json.flatShading!==undefined)material.flatShading=json.flatShading;if(json.blending!==undefined)material.blending=json.blending;if(json.combine!==undefined)material.combine=json.combine;if(json.side!==undefined)material.side=json.side;if(json.shadowSide!==undefined)material.shadowSide=json.shadowSide;if(json.opacity!==undefined)material.opacity=json.opacity;if(json.transparent!==undefined)material.transparent=json.transparent;if(json.alphaTest!==undefined)material.alphaTest=json.alphaTest;if(json.depthTest!==undefined)material.depthTest=json.depthTest;if(json.depthWrite!==undefined)material.depthWrite=json.depthWrite;if(json.colorWrite!==undefined)material.colorWrite=json.colorWrite;if(json.stencilWrite!==undefined)material.stencilWrite=json.stencilWrite;if(json.stencilWriteMask!==undefined)material.stencilWriteMask=json.stencilWriteMask;if(json.stencilFunc!==undefined)material.stencilFunc=json.stencilFunc;if(json.stencilRef!==undefined)material.stencilRef=json.stencilRef;if(json.stencilFuncMask!==undefined)material.stencilFuncMask=json.stencilFuncMask;if(json.stencilFail!==undefined)material.stencilFail=json.stencilFail;if(json.stencilZFail!==undefined)material.stencilZFail=json.stencilZFail;if(json.stencilZPass!==undefined)material.stencilZPass=json.stencilZPass;

1914if(json.wireframe!==undefined)material.wireframe=json.wireframe;if(json.wireframeLinewidth!==undefined)material.wireframeLinewidth=json.wireframeLinewidth;if(json.wireframeLinecap!==undefined)material.wireframeLinecap=json.wireframeLinecap;if(json.wireframeLinejoin!==undefined)material.wireframeLinejoin=json.wireframeLinejoin;if(json.rotation!==undefined)material.rotation=json.rotation;if(json.linewidth!==1)material.linewidth=json.linewidth;if(json.dashSize!==undefined)material.dashSize=json.dashSize;if(json.gapSize!==undefined)material.gapSize=json.gapSize;if(json.scale!==undefined)material.scale=json.scale;if(json.polygonOffset!==undefined)material.polygonOffset=json.polygonOffset;if(json.polygonOffsetFactor!==undefined)material.polygonOffsetFactor=json.polygonOffsetFactor;if(json.polygonOffsetUnits!==undefined)material.polygonOffsetUnits=json.polygonOffsetUnits;if(json.dithering!==undefined)material.dithering=json.dithering;if(json.alphaToCoverage!==undefined)material.alphaToCoverage=json.alphaToCoverage;if(json.premultipliedAlpha!==undefined)material.premultipliedAlpha=json.premultipliedAlpha;if(json.visible!==undefined)material.visible=json.visible;if(json.toneMapped!==undefined)material.toneMapped=json.toneMapped;if(json.userData!==undefined)material.userData=json.userData;if(json.vertexColors!==undefined){if(typeof json.vertexColors==='number'){material.vertexColors=json.vertexColors>0?true:false;}else{material.vertexColors=json.vertexColors;}}// Shader Material
1915if(json.uniforms!==undefined){for(var name in json.uniforms){var uniform=json.uniforms[name];material.uniforms[name]={};switch(uniform.type){case't':material.uniforms[name].value=getTexture(uniform.value);break;case'c':material.uniforms[name].value=new Color().setHex(uniform.value);break;case'v2':material.uniforms[name].value=new Vector2().fromArray(uniform.value);break;case'v3':material.uniforms[name].value=new Vector3().fromArray(uniform.value);break;case'v4':material.uniforms[name].value=new Vector4().fromArray(uniform.value);break;case'm3':material.uniforms[name].value=new Matrix3().fromArray(uniform.value);break;case'm4':material.uniforms[name].value=new Matrix4().fromArray(uniform.value);break;default:material.uniforms[name].value=uniform.value;}}}if(json.defines!==undefined)material.defines=json.defines;if(json.vertexShader!==undefined)material.vertexShader=json.vertexShader;if(json.fragmentShader!==undefined)material.fragmentShader=json.fragmentShader;if(json.extensions!==undefined){for(var key in json.extensions){material.extensions[key]=json.extensions[key];}}// Deprecated
1916if(json.shading!==undefined)material.flatShading=json.shading===1;// THREE.FlatShading
1917// for PointsMaterial
1918if(json.size!==undefined)material.size=json.size;if(json.sizeAttenuation!==undefined)material.sizeAttenuation=json.sizeAttenuation;// maps
1919if(json.map!==undefined)material.map=getTexture(json.map);if(json.matcap!==undefined)material.matcap=getTexture(json.matcap);if(json.alphaMap!==undefined)material.alphaMap=getTexture(json.alphaMap);if(json.bumpMap!==undefined)material.bumpMap=getTexture(json.bumpMap);if(json.bumpScale!==undefined)material.bumpScale=json.bumpScale;if(json.normalMap!==undefined)material.normalMap=getTexture(json.normalMap);if(json.normalMapType!==undefined)material.normalMapType=json.normalMapType;if(json.normalScale!==undefined){var normalScale=json.normalScale;if(Array.isArray(normalScale)===false){// Blender exporter used to export a scalar. See #7459
1920normalScale=[normalScale,normalScale];}material.normalScale=new Vector2().fromArray(normalScale);}if(json.displacementMap!==undefined)material.displacementMap=getTexture(json.displacementMap);if(json.displacementScale!==undefined)material.displacementScale=json.displacementScale;if(json.displacementBias!==undefined)material.displacementBias=json.displacementBias;if(json.roughnessMap!==undefined)material.roughnessMap=getTexture(json.roughnessMap);if(json.metalnessMap!==undefined)material.metalnessMap=getTexture(json.metalnessMap);if(json.emissiveMap!==undefined)material.emissiveMap=getTexture(json.emissiveMap);if(json.emissiveIntensity!==undefined)material.emissiveIntensity=json.emissiveIntensity;if(json.specularMap!==undefined)material.specularMap=getTexture(json.specularMap);if(json.specularIntensityMap!==undefined)material.specularIntensityMap=getTexture(json.specularIntensityMap);if(json.specularColorMap!==undefined)material.specularColorMap=getTexture(json.specularColorMap);if(json.envMap!==undefined)material.envMap=getTexture(json.envMap);if(json.envMapIntensity!==undefined)material.envMapIntensity=json.envMapIntensity;if(json.reflectivity!==undefined)material.reflectivity=json.reflectivity;if(json.refractionRatio!==undefined)material.refractionRatio=json.refractionRatio;if(json.lightMap!==undefined)material.lightMap=getTexture(json.lightMap);if(json.lightMapIntensity!==undefined)material.lightMapIntensity=json.lightMapIntensity;if(json.aoMap!==undefined)material.aoMap=getTexture(json.aoMap);if(json.aoMapIntensity!==undefined)material.aoMapIntensity=json.aoMapIntensity;if(json.gradientMap!==undefined)material.gradientMap=getTexture(json.gradientMap);if(json.clearcoatMap!==undefined)material.clearcoatMap=getTexture(json.clearcoatMap);if(json.clearcoatRoughnessMap!==undefined)material.clearcoatRoughnessMap=getTexture(json.clearcoatRoughnessMap);if(json.clearcoatNormalMap!==undefined)material.clearcoatNormalMap=getTexture(json.clearcoatNormalMap);if(json.clearcoatNormalScale!==undefined)material.clearcoatNormalScale=new Vector2().fromArray(json.clearcoatNormalScale);if(json.iridescenceMap!==undefined)material.iridescenceMap=getTexture(json.iridescenceMap);if(json.iridescenceThicknessMap!==undefined)material.iridescenceThicknessMap=getTexture(json.iridescenceThicknessMap);if(json.transmissionMap!==undefined)material.transmissionMap=getTexture(json.transmissionMap);if(json.thicknessMap!==undefined)material.thicknessMap=getTexture(json.thicknessMap);if(json.sheenColorMap!==undefined)material.sheenColorMap=getTexture(json.sheenColorMap);if(json.sheenRoughnessMap!==undefined)material.sheenRoughnessMap=getTexture(json.sheenRoughnessMap);return material;}},{key:"setTextures",value:function setTextures(value){this.textures=value;return this;}}],[{key:"createMaterialFromType",value:function createMaterialFromType(type){var materialLib={ShadowMaterial:ShadowMaterial,SpriteMaterial:SpriteMaterial,RawShaderMaterial:RawShaderMaterial,ShaderMaterial:ShaderMaterial,PointsMaterial:PointsMaterial,MeshPhysicalMaterial:MeshPhysicalMaterial,MeshStandardMaterial:MeshStandardMaterial,MeshPhongMaterial:MeshPhongMaterial,MeshToonMaterial:MeshToonMaterial,MeshNormalMaterial:MeshNormalMaterial,MeshLambertMaterial:MeshLambertMaterial,MeshDepthMaterial:MeshDepthMaterial,MeshDistanceMaterial:MeshDistanceMaterial,MeshBasicMaterial:MeshBasicMaterial,MeshMatcapMaterial:MeshMatcapMaterial,LineDashedMaterial:LineDashedMaterial,LineBasicMaterial:LineBasicMaterial,Material:Material};return new materialLib[type]();}}]);return MaterialLoader;}(Loader);var LoaderUtils=/*#__PURE__*/function(){function LoaderUtils(){_classCallCheck(this,LoaderUtils);}_createClass(LoaderUtils,null,[{key:"decodeText",value:function decodeText(array){if(typeof TextDecoder!=='undefined'){return new TextDecoder().decode(array);}// Avoid the String.fromCharCode.apply(null, array) shortcut, which
1921// throws a "maximum call stack size exceeded" error for large arrays.
1922var s='';for(var i=0,il=array.length;i<il;i++){// Implicitly assumes little-endian.
1923s+=String.fromCharCode(array[i]);}try{// merges multi-byte utf-8 characters.
1924return decodeURIComponent(escape(s));}catch(e){// see #16358
1925return s;}}},{key:"extractUrlBase",value:function extractUrlBase(url){var index=url.lastIndexOf('/');if(index===-1)return'./';return url.slice(0,index+1);}},{key:"resolveURL",value:function resolveURL(url,path){// Invalid URL
1926if(typeof url!=='string'||url==='')return'';// Host Relative URL
1927if(/^https?:\/\//i.test(path)&&/^\//.test(url)){path=path.replace(/(^https?:\/\/[^\/]+).*/i,'$1');}// Absolute URL http://,https://,//
1928if(/^(https?:)?\/\//i.test(url))return url;// Data URI
1929if(/^data:.*,.*$/i.test(url))return url;// Blob URL
1930if(/^blob:.*$/i.test(url))return url;// Relative URL
1931return path+url;}}]);return LoaderUtils;}();var InstancedBufferGeometry=/*#__PURE__*/function(_BufferGeometry16){_inherits(InstancedBufferGeometry,_BufferGeometry16);var _super130=_createSuper(InstancedBufferGeometry);function InstancedBufferGeometry(){var _this106;_classCallCheck(this,InstancedBufferGeometry);_this106=_super130.call(this);_this106.isInstancedBufferGeometry=true;_this106.type='InstancedBufferGeometry';_this106.instanceCount=Infinity;return _this106;}

1931_createClass(InstancedBufferGeometry,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(InstancedBufferGeometry.prototype),"copy",this).call(this,source);this.instanceCount=source.instanceCount;return this;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"toJSON",value:function toJSON(){var data=_get(_getPrototypeOf(InstancedBufferGeometry.prototype),"toJSON",this).call(this,this);data.instanceCount=this.instanceCount;data.isInstancedBufferGeometry=true;return data;}}]);return InstancedBufferGeometry;}(BufferGeometry);var BufferGeometryLoader=/*#__PURE__*/function(_Loader9){_inherits(BufferGeometryLoader,_Loader9);var _super131=_createSuper(BufferGeometryLoader);function BufferGeometryLoader(manager){_classCallCheck(this,BufferGeometryLoader);return _super131.call(this,manager);}_createClass(BufferGeometryLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){var scope=this;var loader=new FileLoader(scope.manager);loader.setPath(scope.path);loader.setRequestHeader(scope.requestHeader);loader.setWithCredentials(scope.withCredentials);loader.load(url,function(text){try{onLoad(scope.parse(JSON.parse(text)));}catch(e){if(onError){onError(e);}else{console.error(e);}scope.manager.itemError(url);}},onProgress,onError);}},{key:"parse",value:function parse(json){var interleavedBufferMap={};var arrayBufferMap={};function getInterleavedBuffer(json,uuid){if(interleavedBufferMap[uuid]!==undefined)return interleavedBufferMap[uuid];var interleavedBuffers=json.interleavedBuffers;var interleavedBuffer=interleavedBuffers[uuid];var buffer=getArrayBuffer(json,interleavedBuffer.buffer);var array=getTypedArray(interleavedBuffer.type,buffer);var ib=new InterleavedBuffer(array,interleavedBuffer.stride);ib.uuid=interleavedBuffer.uuid;interleavedBufferMap[uuid]=ib;return ib;}function getArrayBuffer(json,uuid){if(arrayBufferMap[uuid]!==undefined)return arrayBufferMap[uuid];var arrayBuffers=json.arrayBuffers;var arrayBuffer=arrayBuffers[uuid];var ab=new Uint32Array(arrayBuffer).buffer;arrayBufferMap[uuid]=ab;return ab;}var geometry=json.isInstancedBufferGeometry?new InstancedBufferGeometry():new BufferGeometry();var index=json.data.index;if(index!==undefined){var typedArray=getTypedArray(index.type,index.array);geometry.setIndex(new BufferAttribute(typedArray,1));}var attributes=json.data.attributes;for(var key in attributes){var attribute=attributes[key];var bufferAttribute=void 0;if(attribute.isInterleavedBufferAttribute){var interleavedBuffer=getInterleavedBuffer(json.data,attribute.data);bufferAttribute=new InterleavedBufferAttribute(interleavedBuffer,attribute.itemSize,attribute.offset,attribute.normalized);}else{var _typedArray=getTypedArray(attribute.type,attribute.array);var bufferAttributeConstr=attribute.isInstancedBufferAttribute?InstancedBufferAttribute:BufferAttribute;bufferAttribute=new bufferAttributeConstr(_typedArray,attribute.itemSize,attribute.normalized);}if(attribute.name!==undefined)bufferAttribute.name=attribute.name;if(attribute.usage!==undefined)bufferAttribute.setUsage(attribute.usage);if(attribute.updateRange!==undefined){bufferAttribute.updateRange.offset=attribute.updateRange.offset;bufferAttribute.updateRange.count=attribute.updateRange.count;}geometry.setAttribute(key,bufferAttribute);}var morphAttributes=json.data.morphAttributes;if(morphAttributes){for(var _key3 in morphAttributes){var attributeArray=morphAttributes[_key3];var array=[];for(var i=0,il=attributeArray.length;i<il;i++){var _attribute3=attributeArray[i];var _bufferAttribute=void 0;if(_attribute3.isInterleavedBufferAttribute){var _interleavedBuffer=getInterleavedBuffer(json.data,_attribute3.data);_bufferAttribute=new InterleavedBufferAttribute(_interleavedBuffer,_attribute3.itemSize,_attribute3.offset,_attribute3.normalized);}else{var _typedArray2=getTypedArray(_attribute3.type,_attribute3.array);_bufferAttribute=new BufferAttribute(_typedArray2,_attribute3.itemSize,_attribute3.normalized);}if(_attribute3.name!==undefined)_bufferAttribute.name=_attribute3.name;array.push(_bufferAttribute);}geometry.morphAttributes[_key3]=array;}}var morphTargetsRelative=json.data.morphTargetsRelative;if(morphTargetsRelative){geometry.morphTargetsRelative=true;}var groups=json.data.groups||json.data.drawcalls||json.data.offsets;if(groups!==undefined){for(var _i85=0,n=groups.length;_i85!==n;++_i85){var group=groups[_i85];geometry.addGroup(group.start,group.count,group.materialIndex);}}var boundingSphere=json.data.boundingSphere;if(boundingSphere!==undefined){var center=new Vector3();if(boundingSphere.center!==undefined){center.fromArray(boundingSphere.center);}geometry.boundingSphere=new Sphere(center,boundingSphere.radius);}if(json.name)geometry.name=json.name;if(json.userData)geometry.userData=json.userData;return geometry;}}]);return BufferGeometryLoader;}(Loader);var ObjectLoader=/*#__PURE__*/function(_Loader10){_inherits(ObjectLoader,_Loader10);var _super132=_createSuper(ObjectLoader);function ObjectLoader(manager){_classCallCheck(this,ObjectLoader);return _super132.call(this,manager);}_createClass(ObjectLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){var scope=this;var path=this.path===''?LoaderUtils.extractUrlBase(url):this.path;this.resourcePath=this.resourcePath||path;var loader=new FileLoader(this.manager);loader.setPath(this.path);loader.setRequestHeader(this.requestHeader);loader.setWithCredentials(this.withCredentials);loader.load(url,function(text){var json=null;try{json=JSON.parse(text);}catch(error){if(onError!==undefined)onError(error);console.error('THREE:ObjectLoader: Can\'t parse '+url+'.',error.message);return;}var metadata=json.metadata;if(metadata===undefined||metadata.type===undefined||metadata.type.toLowerCase()==='geometry'){console.error('THREE.ObjectLoader: Can\'t load '+url);return;}scope.parse(json,onLoad);},onProgress,onError);}},{key:"loadAsync",value:function(){var _loadAsync=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2(url,onProgress){var scope,path,loader,text,json,metadata;return _regeneratorRuntime().wrap(function _callee2$(_context9){while(1)switch(_context9.prev=_context9.next){case 0:scope=this;path=this.path===''?LoaderUtils.extractUrlBase(url):this.path;this.resourcePath=this.resourcePath||path;loader=new FileLoader(this.manager);loader.setPath(this.path);loader.setRequestHeader(this.requestHeader);loader.setWithCredentials(this.withCredentials);_context9.next=9;return loader.loadAsync(url,onProgress);case 9:text=_context9.sent;json=JSON.parse(text);metadata=json.metadata;if(!(metadata===undefined||metadata.type===undefined||metadata.type.toLowerCase()==='geometry')){_context9.next=14;break;}throw new Error('THREE.ObjectLoader: Can\'t load '+url);case 14:_context9.next=16;return scope.parseAsync(json);case 16:return _context9.abrupt("return",_context9.sent);case 17:case"end":return _context9.stop();}},_callee2,this);}));function loadAsync(_x7,_x8){return _loadAsync.apply(this,arguments);}return loadAsync;}()},{key:"parse",value:function parse(json,onLoad){var animations=this.parseAnimations(json.animations);var shapes=this.parseShapes(json.shapes);var geometries=this.parseGeometries(json.geometries,shapes);var images=this.parseImages(json.images,function(){if(onLoad!==undefined)onLoad(object);});var textures=this.parseTextures(json.textures,images);var materials=this.parseMaterials(json.materials,textures);var object=this.parseObject(json.object,geometries,materials,textures,animations);var skeletons=this.parseSkeletons(json.skeletons,object);this.bindSkeletons(object,skeletons);//
1932if(onLoad!==undefined){var hasImages=false;for(var uuid in images){if(images[uuid].data instanceof HTMLImageElement){hasImages=true;break;}}if(hasImages===false)onLoad(object);}return object;}},{key:"parseAsync",value:function(){var _parseAsync=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3(json){var animations,shapes,geometries,images,textures,materials,object,skeletons;return _regeneratorRuntime().wrap(function _callee3$(_context10){while(1)switch(_context10.prev=_context10.next){case 0:animations=this.parseAnimations(json.animations);shapes=this.parseShapes(json.shapes);geometries=this.parseGeometries(json.geometries,shapes);_context10.next=5;return this.parseImagesAsync(json.images);case 5:images=_context10.sent;textures=this.parseTextures(json.textures,images);materials=this.parseMaterials(json.materials,textures);object=this.parseObject(json.object,geometries,materials,textures,animations);skeletons=this.parseSkeletons(json.skeletons,object);this.bindSkeletons(object,skeletons);return _context10.abrupt("return",object);case 12:case"end":return _context10.stop();}},_callee3,this);}));function parseAsync(_x9){return _parseAsync.apply(this,arguments);}return parseAsync;}()},{key:"parseShapes",value:function parseShapes(json){var shapes={};if(json!==undefined){for(var i=0,l=json.length;i<l;i++){var shape=new Shape().fromJSON(json[i]);shapes[shape.uuid]=shape;}}return shapes;}},{key:"parseSkeletons",value:function parseSkeletons(json,object){var skeletons={};var bones={};// generate bone lookup table
1933object.traverse(function(child){if(child.isBone)bones[child.uuid]=child;});// create skeletons
1934if(json!==undefined){for(var i=0,l=json.length;i<l;i++){var skeleton=new Skeleton().fromJSON(json[i],bones);skeletons[skeleton.uuid]=skeleton;}}return skeletons;}},{key:"parseGeometries",value:function parseGeometries(json,shapes){var geometries={};if(json!==undefined){var bufferGeometryLoader=new BufferGeometryLoader();for(var i=0,l=json.length;i<l;i++){var geometry=void 0;var data=json[i];switch(data.type){case'BufferGeometry':case'InstancedBufferGeometry':geometry=bufferGeometryLoader.parse(data);break;case'Geometry':console.error('THREE.ObjectLoader: The legacy Geometry type is no longer supported.');break;default:if(data.type in Geometries){geometry=Geometries[data.type].fromJSON(data,shapes);}else{console.warn("THREE.ObjectLoader: Unsupported geometry type \"".concat(data.type,"\""));}}geometry.uuid=data.uuid;if(data.name!==undefined)geometry.name=data.name;

1934if(geometry.isBufferGeometry===true&&data.userData!==undefined)geometry.userData=data.userData;geometries[data.uuid]=geometry;}}return geometries;}},{key:"parseMaterials",value:function parseMaterials(json,textures){var cache={};// MultiMaterial
1935var materials={};if(json!==undefined){var loader=new MaterialLoader();loader.setTextures(textures);for(var i=0,l=json.length;i<l;i++){var data=json[i];if(data.type==='MultiMaterial'){// Deprecated
1936var array=[];for(var j=0;j<data.materials.length;j++){var material=data.materials[j];if(cache[material.uuid]===undefined){cache[material.uuid]=loader.parse(material);}array.push(cache[material.uuid]);}materials[data.uuid]=array;}else{if(cache[data.uuid]===undefined){cache[data.uuid]=loader.parse(data);}materials[data.uuid]=cache[data.uuid];}}}return materials;}},{key:"parseAnimations",value:function parseAnimations(json){var animations={};if(json!==undefined){for(var i=0;i<json.length;i++){var data=json[i];var clip=AnimationClip.parse(data);animations[clip.uuid]=clip;}}return animations;}},{key:"parseImages",value:function parseImages(json,onLoad){var scope=this;var images={};var loader;function loadImage(url){scope.manager.itemStart(url);return loader.load(url,function(){scope.manager.itemEnd(url);},undefined,function(){scope.manager.itemError(url);scope.manager.itemEnd(url);});}function deserializeImage(image){if(typeof image==='string'){var url=image;var path=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(url)?url:scope.resourcePath+url;return loadImage(path);}else{if(image.data){return{data:getTypedArray(image.type,image.data),width:image.width,height:image.height};}else{return null;}}}if(json!==undefined&&json.length>0){var manager=new LoadingManager(onLoad);loader=new ImageLoader(manager);loader.setCrossOrigin(this.crossOrigin);for(var i=0,il=json.length;i<il;i++){var image=json[i];var url=image.url;if(Array.isArray(url)){// load array of images e.g CubeTexture
1937var imageArray=[];for(var j=0,jl=url.length;j<jl;j++){var currentUrl=url[j];var deserializedImage=deserializeImage(currentUrl);if(deserializedImage!==null){if(deserializedImage instanceof HTMLImageElement){imageArray.push(deserializedImage);}else{// special case: handle array of data textures for cube textures
1938imageArray.push(new DataTexture(deserializedImage.data,deserializedImage.width,deserializedImage.height));}}}images[image.uuid]=new Source(imageArray);}else{// load single image
1939var _deserializedImage=deserializeImage(image.url);images[image.uuid]=new Source(_deserializedImage);}}}return images;}},{key:"parseImagesAsync",value:function(){var _parseImagesAsync=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee5(json){var scope,images,loader,deserializeImage,_deserializeImage,i,il,image,url,imageArray,j,jl,currentUrl,deserializedImage,_deserializedImage2;return _regeneratorRuntime().wrap(function _callee5$(_context12){while(1)switch(_context12.prev=_context12.next){case 0:_deserializeImage=function _deserializeImage3(){_deserializeImage=_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4(image){var _url,path;return _regeneratorRuntime().wrap(function _callee4$(_context11){while(1)switch(_context11.prev=_context11.next){case 0:if(!(typeof image==='string')){_context11.next=8;break;}_url=image;path=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(_url)?_url:scope.resourcePath+_url;_context11.next=5;return loader.loadAsync(path);case 5:return _context11.abrupt("return",_context11.sent);case 8:if(!image.data){_context11.next=12;break;}return _context11.abrupt("return",{data:getTypedArray(image.type,image.data),width:image.width,height:image.height});case 12:return _context11.abrupt("return",null);case 13:case"end":return _context11.stop();}},_callee4);}));return _deserializeImage.apply(this,arguments);};deserializeImage=function _deserializeImage2(_x11){return _deserializeImage.apply(this,arguments);};scope=this;images={};if(!(json!==undefined&&json.length>0)){_context12.next=33;break;}loader=new ImageLoader(this.manager);loader.setCrossOrigin(this.crossOrigin);i=0,il=json.length;case 8:if(!(i<il)){_context12.next=33;break;}image=json[i];url=image.url;if(!Array.isArray(url)){_context12.next=26;break;}// load array of images e.g CubeTexture
1940imageArray=[];j=0,jl=url.length;case 14:if(!(j<jl)){_context12.next=23;break;}currentUrl=url[j];_context12.next=18;return deserializeImage(currentUrl);case 18:deserializedImage=_context12.sent;if(deserializedImage!==null){if(deserializedImage instanceof HTMLImageElement){imageArray.push(deserializedImage);}else{// special case: handle array of data textures for cube textures
1941imageArray.push(new DataTexture(deserializedImage.data,deserializedImage.width,deserializedImage.height));}}case 20:j++;_context12.next=14;break;case 23:images[image.uuid]=new Source(imageArray);_context12.next=30;break;case 26:_context12.next=28;return deserializeImage(image.url);case 28:_deserializedImage2=_context12.sent;images[image.uuid]=new Source(_deserializedImage2);case 30:i++;_context12.next=8;break;case 33:return _context12.abrupt("return",images);case 34:case"end":return _context12.stop();}},_callee5,this);}));function parseImagesAsync(_x10){return _parseImagesAsync.apply(this,arguments);}return parseImagesAsync;}()},{key:"parseTextures",value:function parseTextures(json,images){function parseConstant(value,type){if(typeof value==='number')return value;console.warn('THREE.ObjectLoader.parseTexture: Constant should be in numeric form.',value);return type[value];}var textures={};if(json!==undefined){for(var i=0,l=json.length;i<l;i++){var data=json[i];if(data.image===undefined){console.warn('THREE.ObjectLoader: No "image" specified for',data.uuid);}if(images[data.image]===undefined){console.warn('THREE.ObjectLoader: Undefined image',data.image);}var source=images[data.image];var image=source.data;var texture=void 0;if(Array.isArray(image)){texture=new CubeTexture();if(image.length===6)texture.needsUpdate=true;}else{if(image&&image.data){texture=new DataTexture();}else{texture=new Texture();}if(image)texture.needsUpdate=true;// textures can have undefined image data
1942}texture.source=source;texture.uuid=data.uuid;if(data.name!==undefined)texture.name=data.name;if(data.mapping!==undefined)texture.mapping=parseConstant(data.mapping,TEXTURE_MAPPING);if(data.offset!==undefined)texture.offset.fromArray(data.offset);if(data.repeat!==undefined)texture.repeat.fromArray(data.repeat);if(data.center!==undefined)texture.center.fromArray(data.center);

1942if(data.rotation!==undefined)texture.rotation=data.rotation;if(data.wrap!==undefined){texture.wrapS=parseConstant(data.wrap[0],TEXTURE_WRAPPING);texture.wrapT=parseConstant(data.wrap[1],TEXTURE_WRAPPING);}if(data.format!==undefined)texture.format=data.format;if(data.type!==undefined)texture.type=data.type;if(data.encoding!==undefined)texture.encoding=data.encoding;if(data.minFilter!==undefined)texture.minFilter=parseConstant(data.minFilter,TEXTURE_FILTER);if(data.magFilter!==undefined)texture.magFilter=parseConstant(data.magFilter,TEXTURE_FILTER);if(data.anisotropy!==undefined)texture.anisotropy=data.anisotropy;if(data.flipY!==undefined)texture.flipY=data.flipY;if(data.premultiplyAlpha!==undefined)texture.premultiplyAlpha=data.premultiplyAlpha;if(data.unpackAlignment!==undefined)texture.unpackAlignment=data.unpackAlignment;if(data.userData!==undefined)texture.userData=data.userData;textures[data.uuid]=texture;}}return textures;}},{key:"parseObject",value:function parseObject(data,geometries,materials,textures,animations){var object;function getGeometry(name){if(geometries[name]===undefined){console.warn('THREE.ObjectLoader: Undefined geometry',name);}return geometries[name];}function getMaterial(name){if(name===undefined)return undefined;if(Array.isArray(name)){var array=[];for(var i=0,l=name.length;i<l;i++){var uuid=name[i];if(materials[uuid]===undefined){console.warn('THREE.ObjectLoader: Undefined material',uuid);}array.push(materials[uuid]);}return array;}if(materials[name]===undefined){console.warn('THREE.ObjectLoader: Undefined material',name);}return materials[name];}function getTexture(uuid){if(textures[uuid]===undefined){console.warn('THREE.ObjectLoader: Undefined texture',uuid);}return textures[uuid];}var geometry,material;switch(data.type){case'Scene':object=new Scene();if(data.background!==undefined){if(Number.isInteger(data.background)){object.background=new Color(data.background);}else{object.background=getTexture(data.background);}}if(data.environment!==undefined){object.environment=getTexture(data.environment);}if(data.fog!==undefined){if(data.fog.type==='Fog'){object.fog=new Fog(data.fog.color,data.fog.near,data.fog.far);}else if(data.fog.type==='FogExp2'){object.fog=new FogExp2(data.fog.color,data.fog.density);}}break;case'PerspectiveCamera':object=new PerspectiveCamera(data.fov,data.aspect,data.near,data.far);if(data.focus!==undefined)object.focus=data.focus;if(data.zoom!==undefined)object.zoom=data.zoom;if(data.filmGauge!==undefined)object.filmGauge=data.filmGauge;if(data.filmOffset!==undefined)object.filmOffset=data.filmOffset;if(data.view!==undefined)object.view=Object.assign({},data.view);break;case'OrthographicCamera':object=new OrthographicCamera(data.left,data.right,data.top,data.bottom,data.near,data.far);if(data.zoom!==undefined)object.zoom=data.zoom;if(data.view!==undefined)object.view=Object.assign({},data.view);break;case'AmbientLight':object=new AmbientLight(data.color,data.intensity);break;case'DirectionalLight':object=new DirectionalLight(data.color,data.intensity);break;case'PointLight':object=new PointLight(data.color,data.intensity,data.distance,data.decay);break;case'RectAreaLight':object=new RectAreaLight(data.color,data.intensity,data.width,data.height);break;case'SpotLight':object=new SpotLight(data.color,data.intensity,data.distance,data.angle,data.penumbra,data.decay);break;case'HemisphereLight':object=new HemisphereLight(data.color,data.groundColor,data.intensity);break;case'LightProbe':object=new LightProbe().fromJSON(data);break;case'SkinnedMesh':geometry=getGeometry(data.geometry);material=getMaterial(data.material);object=new SkinnedMesh(geometry,material);if(data.bindMode!==undefined)object.bindMode=data.bindMode;if(data.bindMatrix!==undefined)object.bindMatrix.fromArray(data.bindMatrix);if(data.skeleton!==undefined)object.skeleton=data.skeleton;break;case'Mesh':geometry=getGeometry(data.geometry);material=getMaterial(data.material);object=new Mesh(geometry,material);break;case'InstancedMesh':geometry=getGeometry(data.geometry);material=getMaterial(data.material);var count=data.count;var instanceMatrix=data.instanceMatrix;var instanceColor=data.instanceColor;object=new InstancedMesh(geometry,material,count);object.instanceMatrix=new InstancedBufferAttribute(new Float32Array(instanceMatrix.array),16);if(instanceColor!==undefined)object.instanceColor=new InstancedBufferAttribute(new Float32Array(instanceColor.array),instanceColor.itemSize);break;case'LOD':object=new LOD();break;case'Line':object=new Line(getGeometry(data.geometry),getMaterial(data.material));break;case'LineLoop':object=new LineLoop(getGeometry(data.geometry),getMaterial(data.material));break;case'LineSegments':object=new LineSegments(getGeometry(data.geometry),getMaterial(data.material));break;case'PointCloud':case'Points':object=new Points(getGeometry(data.geometry),getMaterial(data.material));break;case'Sprite':object=new Sprite(getMaterial(data.material));break;case'Group':object=new Group();break;case'Bone':object=new Bone();break;default:object=new Object3D();}object.uuid=data.uuid;if(data.name!==undefined)object.name=data.name;

1942if(data.matrix!==undefined){object.matrix.fromArray(data.matrix);if(data.matrixAutoUpdate!==undefined)object.matrixAutoUpdate=data.matrixAutoUpdate;if(object.matrixAutoUpdate)object.matrix.decompose(object.position,object.quaternion,object.scale);}else{if(data.position!==undefined)object.position.fromArray(data.position);if(data.rotation!==undefined)object.rotation.fromArray(data.rotation);if(data.quaternion!==undefined)object.quaternion.fromArray(data.quaternion);if(data.scale!==undefined)object.scale.fromArray(data.scale);}if(data.castShadow!==undefined)object.castShadow=data.castShadow;if(data.receiveShadow!==undefined)object.receiveShadow=data.receiveShadow;if(data.shadow){if(data.shadow.bias!==undefined)object.shadow.bias=data.shadow.bias;if(data.shadow.normalBias!==undefined)object.shadow.normalBias=data.shadow.normalBias;if(data.shadow.radius!==undefined)object.shadow.radius=data.shadow.radius;if(data.shadow.mapSize!==undefined)object.shadow.mapSize.fromArray(data.shadow.mapSize);if(data.shadow.camera!==undefined)object.shadow.camera=this.parseObject(data.shadow.camera);}if(data.visible!==undefined)object.visible=data.visible;if(data.frustumCulled!==undefined)object.frustumCulled=data.frustumCulled;if(data.renderOrder!==undefined)object.renderOrder=data.renderOrder;if(data.userData!==undefined)object.userData=data.userData;if(data.layers!==undefined)object.layers.mask=data.layers;if(data.children!==undefined){var children=data.children;for(var i=0;i<children.length;i++){object.add(this.parseObject(children[i],geometries,materials,textures,animations));}}if(data.animations!==undefined){var objectAnimations=data.animations;for(var _i86=0;_i86<objectAnimations.length;_i86++){var uuid=objectAnimations[_i86];object.animations.push(animations[uuid]);}}if(data.type==='LOD'){if(data.autoUpdate!==undefined)object.autoUpdate=data.autoUpdate;var levels=data.levels;for(var l=0;l<levels.length;l++){var level=levels[l];var child=object.getObjectByProperty('uuid',level.object);if(child!==undefined){object.addLevel(child,level.distance);}}}return object;}},{key:"bindSkeletons",value:function bindSkeletons(object,skeletons){if(Object.keys(skeletons).length===0)return;object.traverse(function(child){if(child.isSkinnedMesh===true&&child.skeleton!==undefined){var skeleton=skeletons[child.skeleton];if(skeleton===undefined){console.warn('THREE.ObjectLoader: No skeleton found with UUID:',child.skeleton);}else{child.bind(skeleton,child.bindMatrix);}}});}}]);return ObjectLoader;}(Loader);var TEXTURE_MAPPING={UVMapping:UVMapping,CubeReflectionMapping:CubeReflectionMapping,CubeRefractionMapping:CubeRefractionMapping,EquirectangularReflectionMapping:EquirectangularReflectionMapping,EquirectangularRefractionMapping:EquirectangularRefractionMapping,CubeUVReflectionMapping:CubeUVReflectionMapping};var TEXTURE_WRAPPING={RepeatWrapping:RepeatWrapping,ClampToEdgeWrapping:ClampToEdgeWrapping,MirroredRepeatWrapping:MirroredRepeatWrapping};var TEXTURE_FILTER={NearestFilter:NearestFilter,NearestMipmapNearestFilter:NearestMipmapNearestFilter,NearestMipmapLinearFilter:NearestMipmapLinearFilter,LinearFilter:LinearFilter,LinearMipmapNearestFilter:LinearMipmapNearestFilter,LinearMipmapLinearFilter:LinearMipmapLinearFilter};var ImageBitmapLoader=/*#__PURE__*/function(_Loader11){_inherits(ImageBitmapLoader,_Loader11);var _super133=_createSuper(ImageBitmapLoader);function ImageBitmapLoader(manager){var _this107;_classCallCheck(this,ImageBitmapLoader);_this107=_super133.call(this,manager);_this107.isImageBitmapLoader=true;if(typeof createImageBitmap==='undefined'){console.warn('THREE.ImageBitmapLoader: createImageBitmap() not supported.');}if(typeof fetch==='undefined'){console.warn('THREE.ImageBitmapLoader: fetch() not supported.');}_this107.options={premultiplyAlpha:'none'};return _this107;}_createClass(ImageBitmapLoader,[{key:"setOptions",value:function setOptions(options){this.options=options;return this;}},{key:"load",value:function load(url,onLoad,onProgress,onError){if(url===undefined)url='';if(this.path!==undefined)url=this.path+url;url=this.manager.resolveURL(url);var scope=this;var cached=Cache.get(url);if(cached!==undefined){scope.manager.itemStart(url);setTimeout(function(){if(onLoad)onLoad(cached);scope.manager.itemEnd(url);},0);return cached;}var fetchOptions={};fetchOptions.credentials=this.crossOrigin==='anonymous'?'same-origin':'include';fetchOptions.headers=this.requestHeader;fetch(url,fetchOptions).then(function(res){return res.blob();}).then(function(blob){return createImageBitmap(blob,Object.assign(scope.options,{colorSpaceConversion:'none'}));}).then(function(imageBitmap){Cache.add(url,imageBitmap);if(onLoad)onLoad(imageBitmap);scope.manager.itemEnd(url);}).catch(function(e){if(onError)onError(e);scope.manager.itemError(url);scope.manager.itemEnd(url);});scope.manager.itemStart(url);}}]);return ImageBitmapLoader;}(Loader);var _context;var AudioContext={getContext:function getContext(){if(_context===undefined){_context=new(window.AudioContext||window.webkitAudioContext)();}return _context;},setContext:function setContext(value){_context=value;}};var AudioLoader=/*#__PURE__*/function(_Loader12){_inherits(AudioLoader,_Loader12);var _super134=_createSuper(AudioLoader);function AudioLoader(manager){_classCallCheck(this,AudioLoader);return _super134.call(this,manager);}_createClass(AudioLoader,[{key:"load",value:function load(url,onLoad,onProgress,onError){var scope=this;var loader=new FileLoader(this.manager);loader.setResponseType('arraybuffer');loader.setPath(this.path);loader.setRequestHeader(this.requestHeader);loader.setWithCredentials(this.withCredentials);loader.load(url,function(buffer){try{// Create a copy of the buffer. The `decodeAudioData` method
1943// detaches the buffer when complete, preventing reuse.
1944var bufferCopy=buffer.slice(0);var context=AudioContext.getContext();context.decodeAudioData(bufferCopy,function(audioBuffer){onLoad(audioBuffer);});}catch(e){if(onError){onError(e);}else{console.error(e);}scope.manager.itemError(url);}},onProgress,onError);}}]);return AudioLoader;}(Loader);var HemisphereLightProbe=/*#__PURE__*/function(_LightProbe){_inherits(HemisphereLightProbe,_LightProbe);var _super135=_createSuper(HemisphereLightProbe);function HemisphereLightProbe(skyColor,groundColor){var _this108;var intensity=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;_classCallCheck(this,HemisphereLightProbe);_this108=_super135.call(this,undefined,intensity);_this108.isHemisphereLightProbe=true;var color1=new Color().set(skyColor);var color2=new Color().set(groundColor);var sky=new Vector3(color1.r,color1.g,color1.b);var ground=new Vector3(color2.r,color2.g,color2.b);// without extra factor of PI in the shader, should = 1 / Math.sqrt( Math.PI );
1945var c0=Math.sqrt(Math.PI);var c1=c0*Math.sqrt(0.75);_this108.sh.coefficients[0].copy(sky).add(ground).multiplyScalar(c0);_this108.sh.coefficients[1].copy(sky).sub(ground).multiplyScalar(c1);return _this108;}return _createClass(HemisphereLightProbe);}(LightProbe);var AmbientLightProbe=/*#__PURE__*/function(_LightProbe2){_inherits(AmbientLightProbe,_LightProbe2);var _super136=_createSuper(AmbientLightProbe);function AmbientLightProbe(color){var _this109;var intensity=arguments.length>1&&arguments[1]!==undefined?arguments[1]:1;_classCallCheck(this,AmbientLightProbe);_this109=_super136.call(this,undefined,intensity);_this109.isAmbientLightProbe=true;var color1=new Color().set(color);// without extra factor of PI in the shader, would be 2 / Math.sqrt( Math.PI );
1946_this109.sh.coefficients[0].set(color1.r,color1.g,color1.b).multiplyScalar(2*Math.sqrt(Math.PI));return _this109;}return _createClass(AmbientLightProbe);}(LightProbe);var _eyeRight=/*@__PURE__*/new Matrix4();var _eyeLeft=/*@__PURE__*/new Matrix4();var _projectionMatrix=/*@__PURE__*/new Matrix4();var StereoCamera=/*#__PURE__*/function(){function StereoCamera(){_classCallCheck(this,StereoCamera);this.type='StereoCamera';this.aspect=1;this.eyeSep=0.064;this.cameraL=new PerspectiveCamera();this.cameraL.layers.enable(1);this.cameraL.matrixAutoUpdate=false;this.cameraR=new PerspectiveCamera();this.cameraR.layers.enable(2);this.cameraR.matrixAutoUpdate=false;this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null};}_createClass(StereoCamera,[{key:"update",value:function update(camera){var cache=this._cache;var needsUpdate=cache.focus!==camera.focus||cache.fov!==camera.fov||cache.aspect!==camera.aspect*this.aspect||cache.near!==camera.near||cache.far!==camera.far||cache.zoom!==camera.zoom||cache.eyeSep!==this.eyeSep;if(needsUpdate){cache.focus=camera.focus;

1946cache.fov=camera.fov;cache.aspect=camera.aspect*this.aspect;cache.near=camera.near;cache.far=camera.far;cache.zoom=camera.zoom;cache.eyeSep=this.eyeSep;// Off-axis stereoscopic effect based on
1947// http://paulbourke.net/stereographics/stereorender/
1948_projectionMatrix.copy(camera.projectionMatrix);var eyeSepHalf=cache.eyeSep/2;var eyeSepOnProjection=eyeSepHalf*cache.near/cache.focus;var ymax=cache.near*Math.tan(DEG2RAD*cache.fov*0.5)/cache.zoom;var xmin,xmax;// translate xOffset
1949_eyeLeft.elements[12]=-eyeSepHalf;_eyeRight.elements[12]=eyeSepHalf;// for left eye
1950xmin=-ymax*cache.aspect+eyeSepOnProjection;xmax=ymax*cache.aspect+eyeSepOnProjection;_projectionMatrix.elements[0]=2*cache.near/(xmax-xmin);_projectionMatrix.elements[8]=(xmax+xmin)/(xmax-xmin);this.cameraL.projectionMatrix.copy(_projectionMatrix);// for right eye
1951xmin=-ymax*cache.aspect-eyeSepOnProjection;xmax=ymax*cache.aspect-eyeSepOnProjection;_projectionMatrix.elements[0]=2*cache.near/(xmax-xmin);_projectionMatrix.elements[8]=(xmax+xmin)/(xmax-xmin);this.cameraR.projectionMatrix.copy(_projectionMatrix);}this.cameraL.matrixWorld.copy(camera.matrixWorld).multiply(_eyeLeft);this.cameraR.matrixWorld.copy(camera.matrixWorld).multiply(_eyeRight);}}]);return StereoCamera;}();var Clock=/*#__PURE__*/function(){function Clock(){var autoStart=arguments.length>0&&arguments[0]!==undefined?arguments[0]:true;_classCallCheck(this,Clock);this.autoStart=autoStart;this.startTime=0;this.oldTime=0;this.elapsedTime=0;this.running=false;}_createClass(Clock,[{key:"start",value:function start(){this.startTime=now();this.oldTime=this.startTime;this.elapsedTime=0;this.running=true;}},{key:"stop",value:function stop(){this.getElapsedTime();this.running=false;this.autoStart=false;}},{key:"getElapsedTime",value:function getElapsedTime(){this.getDelta();return this.elapsedTime;}},{key:"getDelta",value:function getDelta(){var diff=0;if(this.autoStart&&!this.running){this.start();return 0;}if(this.running){var newTime=now();diff=(newTime-this.oldTime)/1000;this.oldTime=newTime;this.elapsedTime+=diff;}return diff;}}]);return Clock;}();function now(){return(typeof performance==='undefined'?Date:performance).now();// see #10732
1952}var _position$1=/*@__PURE__*/new Vector3();var _quaternion$1=/*@__PURE__*/new Quaternion();var _scale$1=/*@__PURE__*/new Vector3();var _orientation$1=/*@__PURE__*/new Vector3();var AudioListener=/*#__PURE__*/function(_Object3D12){_inherits(AudioListener,_Object3D12);var _super137=_createSuper(AudioListener);function AudioListener(){var _this110;_classCallCheck(this,AudioListener);_this110=_super137.call(this);_this110.type='AudioListener';_this110.context=AudioContext.getContext();_this110.gain=_this110.context.createGain();_this110.gain.connect(_this110.context.destination);_this110.filter=null;_this110.timeDelta=0;// private
1953_this110._clock=new Clock();return _this110;}_createClass(AudioListener,[{key:"getInput",value:function getInput(){return this.gain;}},{key:"removeFilter",value:function removeFilter(){if(this.filter!==null){this.gain.disconnect(this.filter);this.filter.disconnect(this.context.destination);this.gain.connect(this.context.destination);this.filter=null;}return this;}},{key:"getFilter",value:function getFilter(){return this.filter;}},{key:"setFilter",value:function setFilter(value){if(this.filter!==null){this.gain.disconnect(this.filter);this.filter.disconnect(this.context.destination);}else{this.gain.disconnect(this.context.destination);}this.filter=value;this.gain.connect(this.filter);this.filter.connect(this.context.destination);return this;}},{key:"getMasterVolume",value:function getMasterVolume(){return this.gain.gain.value;}},{key:"setMasterVolume",value:function setMasterVolume(value){this.gain.gain.setTargetAtTime(value,this.context.currentTime,0.01);return this;}},{key:"updateMatrixWorld",value:function updateMatrixWorld(force){_get(_getPrototypeOf(AudioListener.prototype),"updateMatrixWorld",this).call(this,force);var listener=this.context.listener;var up=this.up;this.timeDelta=this._clock.getDelta();this.matrixWorld.decompose(_position$1,_quaternion$1,_scale$1);_orientation$1.set(0,0,-1).applyQuaternion(_quaternion$1);if(listener.positionX){// code path for Chrome (see #14393)
1954var endTime=this.context.currentTime+this.timeDelta;listener.positionX.linearRampToValueAtTime(_position$1.x,endTime);listener.positionY.linearRampToValueAtTime(_position$1.y,endTime);listener.positionZ.linearRampToValueAtTime(_position$1.z,endTime);listener.forwardX.linearRampToValueAtTime(_orientation$1.x,endTime);listener.forwardY.linearRampToValueAtTime(_orientation$1.y,endTime);listener.forwardZ.linearRampToValueAtTime(_orientation$1.z,endTime);listener.upX.linearRampToValueAtTime(up.x,endTime);listener.upY.linearRampToValueAtTime(up.y,endTime);listener.upZ.linearRampToValueAtTime(up.z,endTime);}else{listener.setPosition(_position$1.x,_position$1.y,_position$1.z);listener.setOrientation(_orientation$1.x,_orientation$1.y,_orientation$1.z,up.x,up.y,up.z);}}}]);return AudioListener;}(Object3D);

1954var Audio=/*#__PURE__*/function(_Object3D13){_inherits(Audio,_Object3D13);var _super138=_createSuper(Audio);function Audio(listener){var _this111;_classCallCheck(this,Audio);_this111=_super138.call(this);_this111.type='Audio';_this111.listener=listener;_this111.context=listener.context;_this111.gain=_this111.context.createGain();_this111.gain.connect(listener.getInput());_this111.autoplay=false;_this111.buffer=null;_this111.detune=0;_this111.loop=false;_this111.loopStart=0;_this111.loopEnd=0;_this111.offset=0;_this111.duration=undefined;_this111.playbackRate=1;_this111.isPlaying=false;_this111.hasPlaybackControl=true;_this111.source=null;_this111.sourceType='empty';_this111._startedAt=0;_this111._progress=0;_this111._connected=false;_this111.filters=[];return _this111;}_createClass(Audio,[{key:"getOutput",value:function getOutput(){return this.gain;}},{key:"setNodeSource",value:function setNodeSource(audioNode){this.hasPlaybackControl=false;this.sourceType='audioNode';this.source=audioNode;this.connect();return this;}},{key:"setMediaElementSource",value:function setMediaElementSource(mediaElement){this.hasPlaybackControl=false;this.sourceType='mediaNode';this.source=this.context.createMediaElementSource(mediaElement);this.connect();return this;}},{key:"setMediaStreamSource",value:function setMediaStreamSource(mediaStream){this.hasPlaybackControl=false;this.sourceType='mediaStreamNode';this.source=this.context.createMediaStreamSource(mediaStream);this.connect();return this;}},{key:"setBuffer",value:function setBuffer(audioBuffer){this.buffer=audioBuffer;this.sourceType='buffer';if(this.autoplay)this.play();return this;}},{key:"play",value:function play(){var delay=arguments.length>0&&arguments[0]!==undefined?arguments[0]:0;if(this.isPlaying===true){console.warn('THREE.Audio: Audio is already playing.');return;}if(this.hasPlaybackControl===false){console.warn('THREE.Audio: this Audio has no playback control.');return;}this._startedAt=this.context.currentTime+delay;var source=this.context.createBufferSource();source.buffer=this.buffer;source.loop=this.loop;source.loopStart=this.loopStart;source.loopEnd=this.loopEnd;source.onended=this.onEnded.bind(this);source.start(this._startedAt,this._progress+this.offset,this.duration);this.isPlaying=true;this.source=source;this.setDetune(this.detune);this.setPlaybackRate(this.playbackRate);return this.connect();}},{key:"pause",value:function pause(){if(this.hasPlaybackControl===false){console.warn('THREE.Audio: this Audio has no playback control.');return;}if(this.isPlaying===true){// update current progress
1955this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate;if(this.loop===true){// ensure _progress does not exceed duration with looped audios
1956this._progress=this._progress%(this.duration||this.buffer.duration);}this.source.stop();this.source.onended=null;this.isPlaying=false;}return this;}},{key:"stop",value:function stop(){if(this.hasPlaybackControl===false){console.warn('THREE.Audio: this Audio has no playback control.');return;}this._progress=0;this.source.stop();this.source.onended=null;this.isPlaying=false;return this;}},{key:"connect",value:function connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(var i=1,l=this.filters.length;i<l;i++){this.filters[i-1].connect(this.filters[i]);}this.filters[this.filters.length-1].connect(this.getOutput());}else{this.source.connect(this.getOutput());}this._connected=true;return this;}},{key:"disconnect",value:function disconnect(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(var i=1,l=this.filters.length;i<l;i++){this.filters[i-1].disconnect(this.filters[i]);}this.filters[this.filters.length-1].disconnect(this.getOutput());}else{this.source.disconnect(this.getOutput());}this._connected=false;return this;}},{key:"getFilters",value:function getFilters(){return this.filters;}},{key:"setFilters",value:function setFilters(value){if(!value)value=[];if(this._connected===true){this.disconnect();this.filters=value.slice();this.connect();}else{this.filters=value.slice();}return this;}},{key:"setDetune",value:function setDetune(value){this.detune=value;if(this.source.detune===undefined)return;// only set detune when available
1957if(this.isPlaying===true){this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,0.01);}return this;}},{key:"getDetune",value:function getDetune(){return this.detune;}},{key:"getFilter",value:function getFilter(){return this.getFilters()[0];}},{key:"setFilter",value:function setFilter(filter){return this.setFilters(filter?[filter]:[]);}},{key:"setPlaybackRate",value:function setPlaybackRate(value){if(this.hasPlaybackControl

1957===false){console.warn('THREE.Audio: this Audio has no playback control.');return;}this.playbackRate=value;if(this.isPlaying===true){this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,0.01);}return this;}},{key:"getPlaybackRate",value:function getPlaybackRate(){return this.playbackRate;}},{key:"onEnded",value:function onEnded(){this.isPlaying=false;}},{key:"getLoop",value:function getLoop(){if(this.hasPlaybackControl===false){console.warn('THREE.Audio: this Audio has no playback control.');return false;}return this.loop;}},{key:"setLoop",value:function setLoop(value){if(this.hasPlaybackControl===false){console.warn('THREE.Audio: this Audio has no playback control.');return;}this.loop=value;if(this.isPlaying===true){this.source.loop=this.loop;}return this;}},{key:"setLoopStart",value:function setLoopStart(value){this.loopStart=value;return this;}},{key:"setLoopEnd",value:function setLoopEnd(value){this.loopEnd=value;return this;}},{key:"getVolume",value:function getVolume(){return this.gain.gain.value;}},{key:"setVolume",value:function setVolume(value){this.gain.gain.setTargetAtTime(value,this.context.currentTime,0.01);return this;}}]);return Audio;}(Object3D);var _position=/*@__PURE__*/new Vector3();var _quaternion=/*@__PURE__*/new Quaternion();var _scale=/*@__PURE__*/new Vector3();var _orientation=/*@__PURE__*/new Vector3();var PositionalAudio=/*#__PURE__*/function(_Audio){_inherits(PositionalAudio,_Audio);var _super139=_createSuper(PositionalAudio);function PositionalAudio(listener){var _this112;_classCallCheck(this,PositionalAudio);_this112=_super139.call(this,listener);_this112.panner=_this112.context.createPanner();_this112.panner.panningModel='HRTF';_this112.panner.connect(_this112.gain);return _this112;}_createClass(PositionalAudio,[{key:"disconnect",value:function disconnect(){_get(_getPrototypeOf(PositionalAudio.prototype),"disconnect",this).call(this);this.panner.disconnect(this.gain);}},{key:"getOutput",value:function getOutput(){return this.panner;}},{key:"getRefDistance",value:function getRefDistance(){return this.panner.refDistance;}},{key:"setRefDistance",value:function setRefDistance(value){this.panner.refDistance=value;return this;}},{key:"getRolloffFactor",value:function getRolloffFactor(){return this.panner.rolloffFactor;}},{key:"setRolloffFactor",value:function setRolloffFactor(value){this.panner.rolloffFactor=value;return this;}},{key:"getDistanceModel",value:function getDistanceModel(){return this.panner.distanceModel;}},{key:"setDistanceModel",value:function setDistanceModel(value){this.panner.distanceModel=value;return this;}},{key:"getMaxDistance",value:function getMaxDistance(){return this.panner.maxDistance;}},{key:"setMaxDistance",value:function setMaxDistance(value){this.panner.maxDistance=value;return this;}},{key:"setDirectionalCone",value:function setDirectionalCone(coneInnerAngle,coneOuterAngle,coneOuterGain){this.panner.coneInnerAngle=coneInnerAngle;this.panner.coneOuterAngle=coneOuterAngle;this.panner.coneOuterGain=coneOuterGain;return this;}},{key:"updateMatrixWorld",value:function updateMatrixWorld(force){_get(_getPrototypeOf(PositionalAudio.prototype),"updateMatrixWorld",this).call(this,force);if(this.hasPlaybackControl===true&&this.isPlaying===false)return;this.matrixWorld.decompose(_position,_quaternion,_scale);_orientation.set(0,0,1).applyQuaternion(_quaternion);var panner=this.panner;if(panner.positionX){// code path for Chrome and Firefox (see #14393)
1958var endTime=this.context.currentTime+this.listener.timeDelta;panner.positionX.linearRampToValueAtTime(_position.x,endTime);panner.positionY.linearRampToValueAtTime(_position.y,endTime);panner.positionZ.linearRampToValueAtTime(_position.z,endTime);panner.orientationX.linearRampToValueAtTime(_orientation.x,endTime);panner.orientationY.linearRampToValueAtTime(_orientation.y,endTime);panner.orientationZ.linearRampToValueAtTime(_orientation.z,endTime);}else{panner.setPosition(_position.x,_position.y,_position.z);panner.setOrientation(_orientation.x,_orientation.y,_orientation.z);}}}]);return PositionalAudio;}(Audio);var AudioAnalyser=/*#__PURE__*/function(){function AudioAnalyser(audio){var fftSize=arguments.length>1&&arguments[1]!==undefined?arguments[1]:2048;_classCallCheck(this,AudioAnalyser);this.analyser=audio.context.createAnalyser();this.analyser.fftSize=fftSize;this.data=new Uint8Array(this.analyser.frequencyBinCount);audio.getOutput().connect(this.analyser);}_createClass(AudioAnalyser,[{key:"getFrequencyData",value:function getFrequencyData(){this.analyser.getByteFrequencyData(this.data);return this.data;}},{key:"getAverageFrequency",value:function getAverageFrequency(){var value=0;var data=this.getFrequencyData();for(var i=0;i<data.length;i++){value+=data[i];}return value/data.length;}}]);return AudioAnalyser;}();var PropertyMixer=/*#__PURE__*/function(){function PropertyMixer(binding,typeName,valueSize){_classCallCheck(this,PropertyMixer);this.binding=binding;this.valueSize=valueSize;var mixFunction,mixFunctionAdditive,setIdentity;// buffer layout: [ incoming | accu0 | accu1 | orig | addAccu | (optional work) ]
1959//
1960// interpolators can use .buffer as their .result
1961// the data then goes to 'incoming'
1962//
1963// 'accu0' and 'accu1' are used frame-interleaved for
1964// the cumulative result and are compared to detect
1965// changes
1966//
1967// 'orig' stores the original state of the property
1968//
1969// 'add' is used for additive cumulative results
1970//

1971// 'work' is optional and is only present for quaternion types. It is used
1972// to store intermediate quaternion multiplication results
1973switch(typeName){case'quaternion':mixFunction=this._slerp;mixFunctionAdditive=this._slerpAdditive;setIdentity=this._setAdditiveIdentityQuaternion;this.buffer=new Float64Array(valueSize*6);this._workIndex=5;break;case'string':case'bool':mixFunction=this._select;// Use the regular mix function and for additive on these types,
1974// additive is not relevant for non-numeric types
1975mixFunctionAdditive=this._select;setIdentity=this._setAdditiveIdentityOther;this.buffer=new Array(valueSize*5);break;default:mixFunction=this._lerp;mixFunctionAdditive=this._lerpAdditive;setIdentity=this._setAdditiveIdentityNumeric;this.buffer=new Float64Array(valueSize*5);}this._mixBufferRegion=mixFunction;this._mixBufferRegionAdditive=mixFunctionAdditive;this._setIdentity=setIdentity;this._origIndex=3;this._addIndex=4;this.cumulativeWeight=0;this.cumulativeWeightAdditive=0;this.useCount=0;this.referenceCount=0;}// accumulate data in the 'incoming' region into 'accu<i>'
1976_createClass(PropertyMixer,[{key:"accumulate",value:function accumulate(accuIndex,weight){// note: happily accumulating nothing when weight = 0, the caller knows
1977// the weight and shouldn't have made the call in the first place
1978var buffer=this.buffer,stride=this.valueSize,offset=accuIndex*stride+stride;var currentWeight=this.cumulativeWeight;if(currentWeight===0){// accuN := incoming * weight
1979for(var i=0;i!==stride;++i){buffer[offset+i]=buffer[i];}currentWeight=weight;}else{// accuN := accuN + incoming * weight
1980currentWeight+=weight;var mix=weight/currentWeight;this._mixBufferRegion(buffer,offset,0,mix,stride);}this.cumulativeWeight=currentWeight;}// accumulate data in the 'incoming' region into 'add'
1981},{key:"accumulateAdditive",value:function accumulateAdditive(weight){var buffer=this.buffer,stride=this.valueSize,offset=stride*this._addIndex;if(this.cumulativeWeightAdditive===0){// add = identity
1982this._setIdentity();}// add := add + incoming * weight
1983this._mixBufferRegionAdditive(buffer,offset,0,weight,stride);this.cumulativeWeightAdditive+=weight;}// apply the state of 'accu<i>' to the binding when accus differ
1984},{key:"apply",value:function apply(accuIndex){var stride=this.valueSize,buffer=this.buffer,offset=accuIndex*stride+stride,weight=this.cumulativeWeight,weightAdditive=this.cumulativeWeightAdditive,binding=this.binding;this.cumulativeWeight=0;this.cumulativeWeightAdditive=0;if(weight<1){// accuN := accuN + original * ( 1 - cumulativeWeight )
1985var originalValueOffset=stride*this._origIndex;this._mixBufferRegion(buffer,offset,originalValueOffset,1-weight,stride);}if(weightAdditive>0){// accuN := accuN + additive accuN
1986this._mixBufferRegionAdditive(buffer,offset,this._addIndex*stride,1,stride);}for(var i=stride,e=stride+stride;i!==e;++i){if(buffer[i]!==buffer[i+stride]){// value has changed -> update scene graph
1987binding.setValue(buffer,offset);break;}}}// remember the state of the bound property and copy it to both accus
1988},{key:"saveOriginalState",value:function saveOriginalState(){var binding=this.binding;var buffer=this.buffer,stride=this.valueSize,originalValueOffset=stride*this._origIndex;binding.getValue(buffer,originalValueOffset);// accu[0..1] := orig -- initially detect changes against the original
1989for(var i=stride,e=originalValueOffset;i!==e;++i){buffer[i]=buffer[originalValueOffset+i%stride];}// Add to identity for additive
1990this._setIdentity();this.cumulativeWeight=0;this.cumulativeWeightAdditive=0;}// apply the state previously taken via 'saveOriginalState' to the binding
1991},{key:"restoreOriginalState",value:function restoreOriginalState(){var originalValueOffset=this.valueSize*3;this.binding.setValue(this.buffer,originalValueOffset);}},{key:"_setAdditiveIdentityNumeric",value:function _setAdditiveIdentityNumeric(){var startIndex=this._addIndex*this.valueSize;var endIndex=startIndex+this.valueSize;for(var i=startIndex;i<endIndex;i++){this.buffer[i]=0;}}},{key:"_setAdditiveIdentityQuaternion",value:function _setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric();this.buffer[this._addIndex*this.valueSize+3]=1;}},{key:"_setAdditiveIdentityOther",value:function _setAdditiveIdentityOther(){var startIndex=this._origIndex*this.valueSize;var targetIndex=this._addIndex*this.valueSize;

1991for(var i=0;i<this.valueSize;i++){this.buffer[targetIndex+i]=this.buffer[startIndex+i];}}// mix functions
1992},{key:"_select",value:function _select(buffer,dstOffset,srcOffset,t,stride){if(t>=0.5){for(var i=0;i!==stride;++i){buffer[dstOffset+i]=buffer[srcOffset+i];}}}},{key:"_slerp",value:function _slerp(buffer,dstOffset,srcOffset,t){Quaternion.slerpFlat(buffer,dstOffset,buffer,dstOffset,buffer,srcOffset,t);}},{key:"_slerpAdditive",value:function _slerpAdditive(buffer,dstOffset,srcOffset,t,stride){var workOffset=this._workIndex*stride;// Store result in intermediate buffer offset
1993Quaternion.multiplyQuaternionsFlat(buffer,workOffset,buffer,dstOffset,buffer,srcOffset);// Slerp to the intermediate result
1994Quaternion.slerpFlat(buffer,dstOffset,buffer,dstOffset,buffer,workOffset,t);}},{key:"_lerp",value:function _lerp(buffer,dstOffset,srcOffset,t,stride){var s=1-t;for(var i=0;i!==stride;++i){var j=dstOffset+i;buffer[j]=buffer[j]*s+buffer[srcOffset+i]*t;}}},{key:"_lerpAdditive",value:function _lerpAdditive(buffer,dstOffset,srcOffset,t,stride){for(var i=0;i!==stride;++i){var j=dstOffset+i;buffer[j]=buffer[j]+buffer[srcOffset+i]*t;}}}]);return PropertyMixer;}();// Characters [].:/ are reserved for track binding syntax.
1995var _RESERVED_CHARS_RE='\\[\\]\\.:\\/';var _reservedRe=new RegExp('['+_RESERVED_CHARS_RE+']','g');// Attempts to allow node names from any language. ES5's `\w` regexp matches
1996// only latin characters, and the unicode \p{L} is not yet supported. So
1997// instead, we exclude reserved characters and match everything else.
1998var _wordChar='[^'+_RESERVED_CHARS_RE+']';var _wordCharOrDot='[^'+_RESERVED_CHARS_RE.replace('\\.','')+']';// Parent directories, delimited by '/' or ':'. Currently unused, but must
1999// be matched to parse the rest of the track name.
2000var _directoryRe=/*@__PURE__*/ /((?:WC+[\/:])*)/.source.replace('WC',_wordChar);// Target node. May contain word characters (a-zA-Z0-9_) and '.' or '-'.
2001var _nodeRe=/*@__PURE__*/ /(WCOD+)?/.source.replace('WCOD',_wordCharOrDot);// Object on target node, and accessor. May not contain reserved
2002// characters. Accessor may contain any character except closing bracket.
2003var _objectRe=/*@__PURE__*/ /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace('WC',_wordChar);// Property and accessor. May not contain reserved characters. Accessor may
2004// contain any non-bracket characters.
2005var _propertyRe=/*@__PURE__*/ /\.(WC+)(?:\[(.+)\])?/.source.replace('WC',_wordChar);var _trackRe=new RegExp(''+'^'+_directoryRe+_nodeRe+_objectRe+_propertyRe+'$');var _supportedObjectNames=['material','materials','bones'];var Composite=/*#__PURE__*/function(){function Composite(targetGroup,path,optionalParsedPath){_classCallCheck(this,Composite);var parsedPath=optionalParsedPath||PropertyBinding.parseTrackName(path);this._targetGroup=targetGroup;this._bindings=targetGroup.subscribe_(path,parsedPath);}_createClass(Composite,[{key:"getValue",value:function getValue(array,offset){this.bind();// bind all binding
2006var firstValidIndex=this._targetGroup.nCachedObjects_,binding=this._bindings[firstValidIndex];// and only call .getValue on the first
2007if(binding!==undefined)binding.getValue(array,offset);}},{key:"setValue",value:function setValue(array,offset){var bindings=this._bindings;for(var i=this._targetGroup.nCachedObjects_,n=bindings.length;i!==n;++i){bindings[i].setValue(array,offset);}}},{key:"bind",value:function bind(){var bindings=this._bindings;for(var i=this._targetGroup.nCachedObjects_,n=bindings.length;i!==n;++i){bindings[i].bind();}}},{key:"unbind",value:function unbind(){var bindings=this._bindings;for(var i=this._targetGroup.nCachedObjects_,n=bindings.length;i!==n;++i){bindings[i].unbind();}}}]);return Composite;}();// Note: This class uses a State pattern on a per-method basis:
2008// 'bind' sets 'this.getValue' / 'setValue' and shadows the
2009// prototype version of these methods with one that represents
2010// the bound state. When the property is not found, the methods
2011// become no-ops.
2012var PropertyBinding=/*#__PURE__*/function(){function PropertyBinding(rootNode,path,parsedPath){_classCallCheck(this,PropertyBinding);this.path=path;this.parsedPath=parsedPath||PropertyBinding.parseTrackName(path);this.node=PropertyBinding.findNode(rootNode,this.parsedPath.nodeName)||rootNode;this.rootNode=rootNode;// initial state of these methods that calls 'bind'
2013this.getValue=this._getValue_unbound;this.setValue=this._setValue_unbound;}_createClass(PropertyBinding,[{key:"_getValue_unavailable",value:// these are used to "bind" a nonexistent property
2014function _getValue_unavailable(){}},{key:"_setValue_unavailable",value:function _setValue_unavailable(){}// Getters
2015},{key:"_getValue_direct",value:function _getValue_direct(buffer,offset){buffer[offset]=this.targetObject[this.propertyName];}},{key:"_getValue_array",value:function _getValue_array(buffer,offset){var source=this.resolvedProperty;for(var i=0,n=source.length;i!==n;++i){buffer[offset++]=source[i];}}},{key:"_getValue_arrayElement",value:function _getValue_arrayElement(buffer,offset){buffer[offset]=this.resolvedProperty[this.propertyIndex];}},{key:"_getValue_toArray",value:function _getValue_toArray(buffer,offset){this.resolvedProperty.toArray(buffer,offset);}// Direct
2016},{key:"_setValue_direct",value:function _setValue_direct(buffer,offset){this.targetObject[this.propertyName]=buffer[offset];}},{key:"_setValue_direct_setNeedsUpdate",value:function _setValue_direct_setNeedsUpdate(buffer,offset){this.targetObject[this.propertyName]=buffer[offset];this.targetObject.needsUpdate=true;}},{key:"_setValue_direct_setMatrixWorldNeedsUpdate",value:function _setValue_direct_setMatrixWorldNeedsUpdate(buffer,offset){this.targetObject[this.propertyName]=buffer[offset];this.targetObject.matrixWorldNeedsUpdate=true;}// EntireArray
2017},{key:"_setValue_array",value:function _setValue_array(buffer,offset){var dest=this.resolvedProperty;for(var i=0,n=dest.length;i!==n;++i){dest[i]=buffer[offset++];}}},{key:"_setValue_array_setNeedsUpdate",value:function _setValue_array_setNeedsUpdate(buffer,offset){var dest=this.resolvedProperty;for(var i=0,n=dest.length;i!==n;++i){dest[i]=buffer[offset++];}this.targetObject.needsUpdate=true;}}

2017,{key:"_setValue_array_setMatrixWorldNeedsUpdate",value:function _setValue_array_setMatrixWorldNeedsUpdate(buffer,offset){var dest=this.resolvedProperty;for(var i=0,n=dest.length;i!==n;++i){dest[i]=buffer[offset++];}this.targetObject.matrixWorldNeedsUpdate=true;}// ArrayElement
2018},{key:"_setValue_arrayElement",value:function _setValue_arrayElement(buffer,offset){this.resolvedProperty[this.propertyIndex]=buffer[offset];}},{key:"_setValue_arrayElement_setNeedsUpdate",value:function _setValue_arrayElement_setNeedsUpdate(buffer,offset){this.resolvedProperty[this.propertyIndex]=buffer[offset];this.targetObject.needsUpdate=true;}},{key:"_setValue_arrayElement_setMatrixWorldNeedsUpdate",value:function _setValue_arrayElement_setMatrixWorldNeedsUpdate(buffer,offset){this.resolvedProperty[this.propertyIndex]=buffer[offset];this.targetObject.matrixWorldNeedsUpdate=true;}// HasToFromArray
2019},{key:"_setValue_fromArray",value:function _setValue_fromArray(buffer,offset){this.resolvedProperty.fromArray(buffer,offset);}},{key:"_setValue_fromArray_setNeedsUpdate",value:function _setValue_fromArray_setNeedsUpdate(buffer,offset){this.resolvedProperty.fromArray(buffer,offset);this.targetObject.needsUpdate=true;}},{key:"_setValue_fromArray_setMatrixWorldNeedsUpdate",value:function _setValue_fromArray_setMatrixWorldNeedsUpdate(buffer,offset){this.resolvedProperty.fromArray(buffer,offset);this.targetObject.matrixWorldNeedsUpdate=true;}},{key:"_getValue_unbound",value:function _getValue_unbound(targetArray,offset){this.bind();this.getValue(targetArray,offset);}},{key:"_setValue_unbound",value:function _setValue_unbound(sourceArray,offset){this.bind();this.setValue(sourceArray,offset);}// create getter / setter pair for a property in the scene graph
2020},{key:"bind",value:function bind(){var targetObject=this.node;var parsedPath=this.parsedPath;var objectName=parsedPath.objectName;var propertyName=parsedPath.propertyName;var propertyIndex=parsedPath.propertyIndex;if(!targetObject){targetObject=PropertyBinding.findNode(this.rootNode,parsedPath.nodeName)||this.rootNode;this.node=targetObject;}// set fail state so we can just 'return' on error
2021this.getValue=this._getValue_unavailable;this.setValue=this._setValue_unavailable;// ensure there is a value node
2022if(!targetObject){console.error('THREE.PropertyBinding: Trying to update node for track: '+this.path+' but it wasn\'t found.');return;}if(objectName){var objectIndex=parsedPath.objectIndex;// special cases were we need to reach deeper into the hierarchy to get the face materials....
2023switch(objectName){case'materials':if(!targetObject.material){console.error('THREE.PropertyBinding: Can not bind to material as node does not have a material.',this);return;}if(!targetObject.material.materials){console.error('THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.',this);return;}targetObject=targetObject.material.materials;break;case'bones':if(!targetObject.skeleton){console.error('THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.',this);return;}// potential future optimization: skip this if propertyIndex is already an integer
2024// and convert the integer string to a true integer.
2025targetObject=targetObject.skeleton.bones;// support resolving morphTarget names into indices.
2026for(var i=0;i<targetObject.length;i++){if(targetObject[i].name===objectIndex){objectIndex=i;break;}}break;default:if(targetObject[objectName]===undefined){console.error('THREE.PropertyBinding: Can not bind to objectName of node undefined.',this);return;}targetObject=targetObject[objectName];}

2026if(objectIndex!==undefined){if(targetObject[objectIndex]===undefined){console.error('THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.',this,targetObject);return;}targetObject=targetObject[objectIndex];}}// resolve property
2027var nodeProperty=targetObject[propertyName];if(nodeProperty===undefined){var nodeName=parsedPath.nodeName;console.error('THREE.PropertyBinding: Trying to update property for track: '+nodeName+'.'+propertyName+' but it wasn\'t found.',targetObject);return;}// determine versioning scheme
2028var versioning=this.Versioning.None;this.targetObject=targetObject;if(targetObject.needsUpdate!==undefined){// material
2029versioning=this.Versioning.NeedsUpdate;}else if(targetObject.matrixWorldNeedsUpdate!==undefined){// node transform
2030versioning=this.Versioning.MatrixWorldNeedsUpdate;}// determine how the property gets bound
2031var bindingType=this.BindingType.Direct;if(propertyIndex!==undefined){// access a sub element of the property array (only primitives are supported right now)
2032if(propertyName==='morphTargetInfluences'){// potential optimization, skip this if propertyIndex is already an integer, and convert the integer string to a true integer.
2033// support resolving morphTarget names into indices.
2034if(!targetObject.geometry){console.error('THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.',this);return;}if(!targetObject.geometry.morphAttributes){console.error('THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.',this);return;}if(targetObject.morphTargetDictionary[propertyIndex]!==undefined){propertyIndex=targetObject.morphTargetDictionary[propertyIndex];}}bindingType=this.BindingType.ArrayElement;this.resolvedProperty=nodeProperty;this.propertyIndex=propertyIndex;}else if(nodeProperty.fromArray!==undefined&&nodeProperty.toArray!==undefined){// must use copy for Object3D.Euler/Quaternion
2035bindingType=this.BindingType.HasFromToArray;this.resolvedProperty=nodeProperty;}else if(Array.isArray(nodeProperty)){bindingType=this.BindingType.EntireArray;this.resolvedProperty=nodeProperty;}else{this.propertyName=propertyName;}// select getter / setter
2036this.getValue=this.GetterByBindingType[bindingType];this.setValue=this.SetterByBindingTypeAndVersioning[bindingType][versioning];}},{key:"unbind",value:function unbind(){this.node=null;// back to the prototype version of getValue / setValue
2037// note: avoiding to mutate the shape of 'this' via 'delete'
2038this.getValue=this._getValue_unbound;this.setValue=this._setValue_unbound;}}],[{key:"create",value:function create(root,path,parsedPath){if(!(root&&root.isAnimationObjectGroup)){return new PropertyBinding(root,path,parsedPath);}else{return new PropertyBinding.Composite(root,path,parsedPath);}}/**
2039		 * Replaces spaces with underscores and removes unsupported characters from
2040		 * node names, to ensure compatibility with parseTrackName().
2041		 *
2042		 * @param {string} name Node name to be sanitized.
2043		 * @return {string}
2044		 */},{key:"sanitizeNodeName",value:function sanitizeNodeName(name){return name.replace(/\s/g,'_').replace(_reservedRe,'');}},{key:"parseTrackName",value:function parseTrackName(trackName){var matches=_trackRe.exec(trackName);if(matches===null){throw new Error('PropertyBinding: Cannot parse trackName: '+trackName);}var results={// directoryName: matches[ 1 ], // (tschw) currently unused
2045nodeName:matches[2],objectName:matches[3],objectIndex:matches[4],propertyName:matches[5],// required
2046propertyIndex:matches[6]};var lastDot=results.nodeName&&results.nodeName.lastIndexOf('.');if(lastDot!==undefined&&lastDot!==-1){var objectName=results.nodeName.substring(lastDot+1);// Object names must be checked against an allowlist. Otherwise, there
2047// is no way to parse 'foo.bar.baz': 'baz' must be a property, but
2048// 'bar' could be the objectName, or part of a nodeName (which can
2049// include '.' characters).
2050if(_supportedObjectNames.indexOf(objectName)!==-1){results.nodeName=results.nodeName.substring(0,lastDot);results.objectName=objectName;}}if(results.propertyName===null||results.propertyName.length===0){throw new Error('PropertyBinding: can not parse propertyName from trackName: '+trackName);}return results;}},{key:"findNode",value:function findNode(root,nodeName){if(nodeName===undefined||nodeName===''||nodeName==='.'||nodeName===-1||nodeName===root.name||nodeName===root.uuid){return root;}// search into skeleton bones.

2051if(root.skeleton){var bone=root.skeleton.getBoneByName(nodeName);if(bone!==undefined){return bone;}}// search into node subtree.
2052if(root.children){var searchNodeSubtree=function searchNodeSubtree(children){for(var i=0;i<children.length;i++){var childNode=children[i];if(childNode.name===nodeName||childNode.uuid===nodeName){return childNode;}var result=searchNodeSubtree(childNode.children);if(result)return result;}return null;};var subTreeNode=searchNodeSubtree(root.children);if(subTreeNode){return subTreeNode;}}return null;}}]);return PropertyBinding;}();PropertyBinding.Composite=Composite;PropertyBinding.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3};PropertyBinding.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2};PropertyBinding.prototype.GetterByBindingType=[PropertyBinding.prototype._getValue_direct,PropertyBinding.prototype._getValue_array,PropertyBinding.prototype._getValue_arrayElement,PropertyBinding.prototype._getValue_toArray];PropertyBinding.prototype.SetterByBindingTypeAndVersioning=[[// Direct
2053PropertyBinding.prototype._setValue_direct,PropertyBinding.prototype._setValue_direct_setNeedsUpdate,PropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[// EntireArray
2054PropertyBinding.prototype._setValue_array,PropertyBinding.prototype._setValue_array_setNeedsUpdate,PropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate],[// ArrayElement
2055PropertyBinding.prototype._setValue_arrayElement,PropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,PropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[// HasToFromArray
2056PropertyBinding.prototype._setValue_fromArray,PropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,PropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];/**
2057	 *
2058	 * A group of objects that receives a shared animation state.
2059	 *
2060	 * Usage:
2061	 *
2062	 *	- Add objects you would otherwise pass as 'root' to the
2063	 *		constructor or the .clipAction method of AnimationMixer.
2064	 *
2065	 *	- Instead pass this object as 'root'.
2066	 *
2067	 *	- You can also add and remove objects later when the mixer
2068	 *		is running.
2069	 *
2070	 * Note:
2071	 *
2072	 *		Objects of this class appear as one object to the mixer,
2073	 *		so cache control of the individual objects must be done
2074	 *		on the group.
2075	 *
2076	 * Limitation:
2077	 *
2078	 *	- The animated properties must be compatible among the
2079	 *		all objects in the group.
2080	 *
2081	 *	- A single property can either be controlled through a
2082	 *		target group or directly, but not both.
2083	 */var AnimationObjectGroup=/*#__PURE__*/function(){function AnimationObjectGroup(){_classCallCheck(this,AnimationObjectGroup);this.isAnimationObjectGroup=true;this.uuid=generateUUID();// cached objects followed by the active ones
2084this._objects=Array.prototype.slice.call(arguments);this.nCachedObjects_=0;// threshold
2085// note: read by PropertyBinding.Composite
2086var indices={};this._indicesByUUID=indices;// for bookkeeping
2087for(var i=0,n=arguments.length;i!==n;++i){indices[arguments[i].uuid]=i;}this._paths=[];// inside: string
2088this._parsedPaths=[];// inside: { we don't care, here }
2089this._bindings=[];// inside: Array< PropertyBinding >
2090this._bindingsIndicesByPath={};// inside: indices in these arrays
2091var scope=this;this.stats={objects:{get total(){return scope._objects.length;},get inUse(){return this.total-scope.nCachedObjects_;}},get bindingsPerObject(){return scope._bindings.length;}};}_createClass(AnimationObjectGroup,[{key:"add",value:function add(){var objects=this._objects,indicesByUUID=this._indicesByUUID,paths=this._paths,parsedPaths=this._parsedPaths,bindings=this._bindings,nBindings=bindings.length;var knownObject=undefined,nObjects=objects.length,nCachedObjects=this.nCachedObjects_;for(var i=0,n=arguments.length;i!==n;++i){var object=arguments[i],uuid=object.uuid;var index=indicesByUUID[uuid];if(index===undefined){// unknown object -> add it to the ACTIVE region
2092index=nObjects++;indicesByUUID[uuid]=index;objects.push(object);// accounting is done, now do the same for all bindings
2093for(var j=0,m=nBindings;j!==m;++j){bindings[j].push(new PropertyBinding(object,paths[j],parsedPaths[j]));}}else if(index<nCachedObjects){knownObject=objects[index];// move existing object to the ACTIVE region
2094var firstActiveIndex=--nCachedObjects,lastCachedObject=objects[firstActiveIndex];indicesByUUID[lastCachedObject.uuid]=index;objects[index]=lastCachedObject;indicesByUUID[uuid]=firstActiveIndex;objects[firstActiveIndex]=object;// accounting is done, now do the same for all bindings
2095for(var _j16=0,_m2=nBindings;_j16!==_m2;++_j16){var bindingsForPath=bindings[_j16],lastCached=bindingsForPath[firstActiveIndex];var binding=bindingsForPath[index];bindingsForPath[index]=lastCached;if(binding===undefined){// since we do not bother to create new bindings
2096// for objects that are cached, the binding may
2097// or may not exist
2098binding=new PropertyBinding(object,paths[_j16],parsedPaths[_j16]

2098);}bindingsForPath[firstActiveIndex]=binding;}}else if(objects[index]!==knownObject){console.error('THREE.AnimationObjectGroup: Different objects with the same UUID '+'detected. Clean the caches or recreate your infrastructure when reloading scenes.');}// else the object is already where we want it to be
2099}// for arguments
2100this.nCachedObjects_=nCachedObjects;}},{key:"remove",value:function remove(){var objects=this._objects,indicesByUUID=this._indicesByUUID,bindings=this._bindings,nBindings=bindings.length;var nCachedObjects=this.nCachedObjects_;for(var i=0,n=arguments.length;i!==n;++i){var object=arguments[i],uuid=object.uuid,index=indicesByUUID[uuid];if(index!==undefined&&index>=nCachedObjects){// move existing object into the CACHED region
2101var lastCachedIndex=nCachedObjects++,firstActiveObject=objects[lastCachedIndex];indicesByUUID[firstActiveObject.uuid]=index;objects[index]=firstActiveObject;indicesByUUID[uuid]=lastCachedIndex;objects[lastCachedIndex]=object;// accounting is done, now do the same for all bindings
2102for(var j=0,m=nBindings;j!==m;++j){var bindingsForPath=bindings[j],firstActive=bindingsForPath[lastCachedIndex],binding=bindingsForPath[index];bindingsForPath[index]=firstActive;bindingsForPath[lastCachedIndex]=binding;}}}// for arguments
2103this.nCachedObjects_=nCachedObjects;}// remove & forget
2104},{key:"uncache",value:function uncache(){var objects=this._objects,indicesByUUID=this._indicesByUUID,bindings=this._bindings,nBindings=bindings.length;var nCachedObjects=this.nCachedObjects_,nObjects=objects.length;for(var i=0,n=arguments.length;i!==n;++i){var object=arguments[i],uuid=object.uuid,index=indicesByUUID[uuid];if(index!==undefined){delete indicesByUUID[uuid];if(index<nCachedObjects){// object is cached, shrink the CACHED region
2105var firstActiveIndex=--nCachedObjects,lastCachedObject=objects[firstActiveIndex],lastIndex=--nObjects,lastObject=objects[lastIndex];// last cached object takes this object's place
2106indicesByUUID[lastCachedObject.uuid]=index;objects[index]=lastCachedObject;// last object goes to the activated slot and pop
2107indicesByUUID[lastObject.uuid]=firstActiveIndex;objects[firstActiveIndex]=lastObject;objects.pop();// accounting is done, now do the same for all bindings
2108for(var j=0,m=nBindings;j!==m;++j){var bindingsForPath=bindings[j],lastCached=bindingsForPath[firstActiveIndex],last=bindingsForPath[lastIndex];bindingsForPath[index]=lastCached;bindingsForPath[firstActiveIndex]=last;bindingsForPath.pop();}}else{// object is active, just swap with the last and pop
2109var _lastIndex=--nObjects,_lastObject=objects[_lastIndex];if(_lastIndex>0){indicesByUUID[_lastObject.uuid]=index;}objects[index]=_lastObject;objects.pop();// accounting is done, now do the same for all bindings
2110for(var _j17=0,_m3=nBindings;_j17!==_m3;++_j17){var _bindingsForPath=bindings[_j17];_bindingsForPath[index]=_bindingsForPath[_lastIndex];_bindingsForPath.pop();}}// cached or active
2111}// if object is known
2112}// for arguments
2113this.nCachedObjects_=nCachedObjects;}// Internal interface used by befriended PropertyBinding.Composite:
2114},{key:"subscribe_",value:function subscribe_(path,parsedPath){// returns an array of bindings for the given path that is changed
2115// according to the contained objects in the group
2116var indicesByPath=this._bindingsIndicesByPath;var index=indicesByPath[path];var bindings=this._bindings;if(index!==undefined)return bindings[index];var paths=this._paths,parsedPaths=this._parsedPaths,objects=this._objects,nObjects=objects.length,nCachedObjects=this.nCachedObjects_,bindingsForPath=new Array(nObjects);index=bindings.length;indicesByPath[path]=index;paths.push(path);parsedPaths.push(parsedPath);bindings.push(bindingsForPath);for(var i=nCachedObjects,n=objects.length;i!==n;++i){var object=objects[i];bindingsForPath[i]=new PropertyBinding(object,path,parsedPath);}return bindingsForPath;}},{key:"unsubscribe_",value:function unsubscribe_(path){// tells the group to forget about a property path and no longer
2117// update the array previously obtained with 'subscribe_'
2118var indicesByPath=this._bindingsIndicesByPath,index=indicesByPath[path];if(index!==undefined){var paths=this._paths,parsedPaths=this._parsedPaths,bindings=this._bindings,lastBindingsIndex=bindings.length-1,lastBindings=bindings[lastBindingsIndex],lastBindingsPath=path[lastBindingsIndex];indicesByPath[lastBindingsPath]=index;bindings[index]=lastBindings;bindings.pop();parsedPaths[index]=parsedPaths[lastBindingsIndex];parsedPaths.pop();paths[index]=paths[lastBindingsIndex];paths.pop();}}}]);return AnimationObjectGroup;}();var AnimationAction=/*#__PURE__*/function(){function AnimationAction(mixer,clip){var localRoot=arguments.length>2&&arguments[2]!==undefined?arguments[2]:null;var blendMode=arguments.length>3&&arguments[3]!==undefined?arguments[3]:clip.blendMode;_classCallCheck(this,AnimationAction);this._mixer=mixer;this._clip=clip;this._localRoot=localRoot;this.blendMode=blendMode;var tracks=clip.tracks,nTracks=tracks.length,interpolants=new Array(nTracks);var interpolantSettings={endingStart:ZeroCurvatureEnding,endingEnd:ZeroCurvatureEnding};for(var i=0;i!==nTracks;++i){var interpolant=tracks[i].createInterpolant(null);interpolants[i]=interpolant;interpolant.settings=interpolantSettings;}this._interpolantSettings=interpolantSettings;this._interpolants=interpolants;// bound by the mixer
2119// inside: PropertyMixer (managed by the mixer)
2120this._propertyBindings=new Array(nTracks);this._cacheIndex=null;// for the memory manager
2121this._byClipCacheIndex=null;// for the memory manager
2122this._timeScaleInterpolant=null;this._weightInterpolant=null;this.loop=LoopRepeat;this._loopCount=-1;// global mixer time when the action is to be started
2123// it's set back to 'null' upon start of the action
2124this._startTime=null;// scaled local time of the action
2125// gets clamped or wrapped to 0..clip.duration according to loop
2126this.time=0;this.timeScale=1;this._effectiveTimeScale=1;this.weight=1;this._effectiveWeight=1;this.repetitions=Infinity;// no. of repetitions when looping
2127this.paused=false;// true -> zero effective time scale
2128this.enabled=true;// false -> zero effective weight
2129this.clampWhenFinished=false;// keep feeding the last frame?
2130this.zeroSlopeAtStart=true;// for smooth interpolation w/o separate
2131this.zeroSlopeAtEnd=true;// clips for start, loop and end
2132}// State & Scheduling
2133_createClass(AnimationAction,[{key:"play",value:function play(){this._mixer._activateAction(this);return this;}},{key:"stop",value:function stop(){this._mixer._deactivateAction(this);return this.reset();}},{key:"reset",value:function reset(){this.paused=false;this.enabled=true;this.time=0;// restart clip
2134this._loopCount=-1;// forget previous loops
2135this._startTime=null;// forget scheduling
2136return this.stopFading().stopWarping();}},{key:"isRunning",value:function isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this);}// return true when play has been called
2137},{key:"isScheduled",value:function isScheduled(){return this._mixer._isActiveAction(this);}},{key:"startAt",value:function startAt(time){this._startTime=time;return this;}},{key:"setLoop",value:function setLoop(mode,repetitions){this.loop=mode;this.repetitions=repetitions;return this;}// Weight
2138// set the weight stopping any scheduled fading
2139// although .enabled = false yields an effective weight of zero, this
2140// method does *not* change .enabled, because it would be confusing
2141},{key:"setEffectiveWeight",value:function setEffectiveWeight(weight){this.weight=weight;// note: same logic as when updated at runtime
2142this._effectiveWeight=this.enabled?weight:0;return this.stopFading();}// return the weight considering fading and .enabled
2143}

2143,{key:"getEffectiveWeight",value:function getEffectiveWeight(){return this._effectiveWeight;}},{key:"fadeIn",value:function fadeIn(duration){return this._scheduleFading(duration,0,1);}},{key:"fadeOut",value:function fadeOut(duration){return this._scheduleFading(duration,1,0);}},{key:"crossFadeFrom",value:function crossFadeFrom(fadeOutAction,duration,warp){fadeOutAction.fadeOut(duration);this.fadeIn(duration);if(warp){var fadeInDuration=this._clip.duration,fadeOutDuration=fadeOutAction._clip.duration,startEndRatio=fadeOutDuration/fadeInDuration,endStartRatio=fadeInDuration/fadeOutDuration;fadeOutAction.warp(1.0,startEndRatio,duration);this.warp(endStartRatio,1.0,duration);}return this;}},{key:"crossFadeTo",value:function crossFadeTo(fadeInAction,duration,warp){return fadeInAction.crossFadeFrom(this,duration,warp);}},{key:"stopFading",value:function stopFading(){var weightInterpolant=this._weightInterpolant;if(weightInterpolant!==null){this._weightInterpolant=null;this._mixer._takeBackControlInterpolant(weightInterpolant);}return this;}// Time Scale Control
2144// set the time scale stopping any scheduled warping
2145// although .paused = true yields an effective time scale of zero, this
2146// method does *not* change .paused, because it would be confusing
2147},{key:"setEffectiveTimeScale",value:function setEffectiveTimeScale(timeScale){this.timeScale=timeScale;this._effectiveTimeScale=this.paused?0:timeScale;return this.stopWarping();}// return the time scale considering warping and .paused
2148},{key:"getEffectiveTimeScale",value:function getEffectiveTimeScale(){return this._effectiveTimeScale;}},{key:"setDuration",value:function setDuration(duration){this.timeScale=this._clip.duration/duration;return this.stopWarping();}},{key:"syncWith",value:function syncWith(action){this.time=action.time;this.timeScale=action.timeScale;return this.stopWarping();}},{key:"halt",value:function halt(duration){return this.warp(this._effectiveTimeScale,0,duration);}},{key:"warp",value:function warp(startTimeScale,endTimeScale,duration){var mixer=this._mixer,now=mixer.time,timeScale=this.timeScale;var interpolant=this._timeScaleInterpolant;if(interpolant===null){interpolant=mixer._lendControlInterpolant();this._timeScaleInterpolant=interpolant;}var times=interpolant.parameterPositions,values=interpolant.sampleValues;times[0]=now;times[1]=now+duration;values[0]=startTimeScale/timeScale;values[1]=endTimeScale/timeScale;return this;}},{key:"stopWarping",value:function stopWarping(){var timeScaleInterpolant=this._timeScaleInterpolant;if(timeScaleInterpolant!==null){this._timeScaleInterpolant=null;this._mixer._takeBackControlInterpolant(timeScaleInterpolant);}return this;}// Object Accessors
2149},{key:"getMixer",value:function getMixer(){return this._mixer;}},{key:"getClip",value:function getClip(){return this._clip;}},{key:"getRoot",value:function getRoot(){return this._localRoot||this._mixer._root;}// Interna
2150},{key:"_update",value:function _update(time,deltaTime,timeDirection,accuIndex){// called by the mixer
2151if(!this.enabled){// call ._updateWeight() to update ._effectiveWeight
2152this._updateWeight(time);return;}var startTime=this._startTime;if(startTime!==null){// check for scheduled start of action
2153var timeRunning=(time-startTime)*timeDirection;if(timeRunning<0||timeDirection===0){return;// yet to come / don't decide when delta = 0
2154}// start
2155this._startTime=null;// unschedule
2156deltaTime=timeDirection*timeRunning;}// apply time scale and advance time
2157deltaTime*=this._updateTimeScale(time);var clipTime=this._updateTime(deltaTime);// note: _updateTime may disable the action resulting in
2158// an effective weight of 0
2159var weight=this._updateWeight(time);if(weight>0){var interpolants=this._interpolants;var propertyMixers=this._propertyBindings;switch(this.blendMode){case AdditiveAnimationBlendMode:for(var j=0,m=interpolants.length;j!==m;++j){interpolants[j].evaluate(clipTime);propertyMixers[j].accumulateAdditive(weight);}break;case NormalAnimationBlendMode:default:for(var _j18=0,_m4=interpolants.length;_j18!==_m4;++_j18){interpolants[_j18].evaluate(clipTime);propertyMixers[_j18].accumulate(accuIndex,weight);}}}}},{key:"_updateWeight",value:function _updateWeight(time){var weight=0;if(this.enabled){weight=this.weight;var interpolant=this._weightInterpolant;if(interpolant!==null){var interpolantValue=interpolant.evaluate(time)[0];weight*=interpolantValue;if(time>interpolant.parameterPositions[1]){this.stopFading();if(interpolantValue===0){// faded out, disable
2160this.enabled=false;}}}}this._effectiveWeight=weight;return weight;}},{key:"_updateTimeScale",value:function _updateTimeScale(time){var timeScale=0;

2160if(!this.paused){timeScale=this.timeScale;var interpolant=this._timeScaleInterpolant;if(interpolant!==null){var interpolantValue=interpolant.evaluate(time)[0];timeScale*=interpolantValue;if(time>interpolant.parameterPositions[1]){this.stopWarping();if(timeScale===0){// motion has halted, pause
2161this.paused=true;}else{// warp done - apply final time scale
2162this.timeScale=timeScale;}}}}this._effectiveTimeScale=timeScale;return timeScale;}},{key:"_updateTime",value:function _updateTime(deltaTime){var duration=this._clip.duration;var loop=this.loop;var time=this.time+deltaTime;var loopCount=this._loopCount;var pingPong=loop===LoopPingPong;if(deltaTime===0){if(loopCount===-1)return time;return pingPong&&(loopCount&1)===1?duration-time:time;}if(loop===LoopOnce){if(loopCount===-1){// just started
2163this._loopCount=0;this._setEndings(true,true,false);}handle_stop:{if(time>=duration){time=duration;}else if(time<0){time=0;}else{this.time=time;break handle_stop;}if(this.clampWhenFinished)this.paused=true;else this.enabled=false;this.time=time;this._mixer.dispatchEvent({type:'finished',action:this,direction:deltaTime<0?-1:1});}}else{// repetitive Repeat or PingPong
2164if(loopCount===-1){// just started
2165if(deltaTime>=0){loopCount=0;this._setEndings(true,this.repetitions===0,pingPong);}else{// when looping in reverse direction, the initial
2166// transition through zero counts as a repetition,
2167// so leave loopCount at -1
2168this._setEndings(this.repetitions===0,true,pingPong);}}if(time>=duration||time<0){// wrap around
2169var loopDelta=Math.floor(time/duration);// signed
2170time-=duration*loopDelta;loopCount+=Math.abs(loopDelta);var pending=this.repetitions-loopCount;if(pending<=0){// have to stop (switch state, clamp time, fire event)
2171if(this.clampWhenFinished)this.paused=true;else this.enabled=false;time=deltaTime>0?duration:0;this.time=time;this._mixer.dispatchEvent({type:'finished',action:this,direction:deltaTime>0?1:-1});}else{// keep running
2172if(pending===1){// entering the last round
2173var atStart=deltaTime<0;this._setEndings(atStart,!atStart,pingPong);}else{this._setEndings(false,false,pingPong);}this._loopCount=loopCount;this.time=time;this._mixer.dispatchEvent({type:'loop',action:this,loopDelta:loopDelta});}}else{this.time=time;}if(pingPong&&(loopCount&1)===1){// invert time for the "pong round"
2174return duration-time;}}return time;}},{key:"_setEndings",value:function _setEndings(atStart,atEnd,pingPong){var settings=this._interpolantSettings;if(pingPong){settings.endingStart=ZeroSlopeEnding;settings.endingEnd=ZeroSlopeEnding;}else{// assuming for LoopOnce atStart == atEnd == true
2175if(atStart){settings.endingStart=this.zeroSlopeAtStart?ZeroSlopeEnding:ZeroCurvatureEnding;}else{settings.endingStart=WrapAroundEnding;}if(atEnd){settings.endingEnd=this.zeroSlopeAtEnd?ZeroSlopeEnding:ZeroCurvatureEnding;}else{settings.endingEnd=WrapAroundEnding;}}}},{key:"_scheduleFading",value:function _scheduleFading(duration,weightNow,weightThen){var mixer=this._mixer,now=mixer.time;var interpolant=this._weightInterpolant;if(interpolant===null){interpolant=mixer._lendControlInterpolant();this._weightInterpolant=interpolant;}var times=interpolant.parameterPositions,values=interpolant.sampleValues;times[0]=now;values[0]=weightNow;times[1]=now+duration;values[1]=weightThen;return this;}}]);return AnimationAction;}();var _controlInterpolantsResultBuffer=new Float32Array(1);var AnimationMixer=/*#__PURE__*/function(_EventDispatcher7){_inherits(AnimationMixer,_EventDispatcher7);var _super140=_createSuper(AnimationMixer);function AnimationMixer(root){var _this113;_classCallCheck(this,AnimationMixer);_this113=_super140.call(this);_this113._root=root;_this113._initMemoryManager();_this113._accuIndex=0;_this113.time=0;_this113.timeScale=1.0;return _this113;}_createClass(AnimationMixer,[{key:"_bindAction",value:function _bindAction(action,prototypeAction){var root=action._localRoot||this._root,tracks=action._clip.tracks,nTracks=tracks.length,bindings=action._propertyBindings,interpolants=action._interpolants,rootUuid=root.uuid,bindingsByRoot=this._bindingsByRootAndName;var bindingsByName=bindingsByRoot[rootUuid];if(bindingsByName===undefined){bindingsByName={};bindingsByRoot[rootUuid]=bindingsByName;}for(var i=0;i!==nTracks;++i){var track=tracks[i],trackName=track.name;var binding=bindingsByName[trackName];if(binding!==undefined){++binding.referenceCount;bindings[i]=binding;}else{binding=bindings[i];if(binding!==undefined){// existing binding, make sure the cache knows
2176if(binding._cacheIndex===null){++binding.referenceCount;this._addInactiveBinding(binding,rootUuid,trackName);}continue;}var path=prototypeAction&&prototypeAction._propertyBindings[i].binding.parsedPath;binding=new PropertyMixer(PropertyBinding.create(root,trackName,path),track.ValueTypeName,track.getValueSize());++binding.referenceCount;this._addInactiveBinding(binding,rootUuid,trackName);bindings[i]=binding;}interpolants[i].resultBuffer=binding.buffer;}}},{key:"_activateAction",value:function _activateAction(action){if(!this._isActiveAction(action)){if

2176(action._cacheIndex===null){// this action has been forgotten by the cache, but the user
2177// appears to be still using it -> rebind
2178var rootUuid=(action._localRoot||this._root).uuid,clipUuid=action._clip.uuid,actionsForClip=this._actionsByClip[clipUuid];this._bindAction(action,actionsForClip&&actionsForClip.knownActions[0]);this._addInactiveAction(action,clipUuid,rootUuid);}var bindings=action._propertyBindings;// increment reference counts / sort out state
2179for(var i=0,n=bindings.length;i!==n;++i){var binding=bindings[i];if(binding.useCount++===0){this._lendBinding(binding);binding.saveOriginalState();}}this._lendAction(action);}}},{key:"_deactivateAction",value:function _deactivateAction(action){if(this._isActiveAction(action)){var bindings=action._propertyBindings;// decrement reference counts / sort out state
2180for(var i=0,n=bindings.length;i!==n;++i){var binding=bindings[i];if(--binding.useCount===0){binding.restoreOriginalState();this._takeBackBinding(binding);}}this._takeBackAction(action);}}// Memory manager
2181},{key:"_initMemoryManager",value:function _initMemoryManager(){this._actions=[];// 'nActiveActions' followed by inactive ones
2182this._nActiveActions=0;this._actionsByClip={};// inside:
2183// {
2184// 	knownActions: Array< AnimationAction > - used as prototypes
2185// 	actionByRoot: AnimationAction - lookup
2186// }
2187this._bindings=[];// 'nActiveBindings' followed by inactive ones
2188this._nActiveBindings=0;this._bindingsByRootAndName={};// inside: Map< name, PropertyMixer >
2189this._controlInterpolants=[];// same game as above
2190this._nActiveControlInterpolants=0;var scope=this;this.stats={actions:{get total(){return scope._actions.length;},get inUse(){return scope._nActiveActions;}},bindings:{get total(){return scope._bindings.length;},get inUse(){return scope._nActiveBindings;}},controlInterpolants:{get total(){return scope._controlInterpolants.length;},get inUse(){return scope._nActiveControlInterpolants;}}};}// Memory management for AnimationAction objects
2191},{key:"_isActiveAction",value:function _isActiveAction(action){var index=action._cacheIndex;return index!==null&&index<this._nActiveActions;}},{key:"_addInactiveAction",value:function _addInactiveAction(action,clipUuid,rootUuid){var actions=this._actions,actionsByClip=this._actionsByClip;var actionsForClip=actionsByClip[clipUuid];if(actionsForClip===undefined){actionsForClip={knownActions:[action],actionByRoot:{}};action._byClipCacheIndex=0;actionsByClip[clipUuid]=actionsForClip;}else{var knownActions=actionsForClip.knownActions;action._byClipCacheIndex=knownActions.length;knownActions.push(action);}action._cacheIndex=actions.length;actions.push(action);actionsForClip.actionByRoot[rootUuid]=action;}},{key:"_removeInactiveAction",value:function _removeInactiveAction(action){var actions=this._actions,lastInactiveAction=actions[actions.length-1],cacheIndex=action._cacheIndex;lastInactiveAction._cacheIndex=cacheIndex;actions[cacheIndex]=lastInactiveAction;actions.pop();action._cacheIndex=null;var clipUuid=action._clip.uuid,actionsByClip=this._actionsByClip,actionsForClip=actionsByClip[clipUuid],knownActionsForClip=actionsForClip.knownActions,lastKnownAction=knownActionsForClip[knownActionsForClip.length-1],byClipCacheIndex=action._byClipCacheIndex;lastKnownAction._byClipCacheIndex=byClipCacheIndex;knownActionsForClip[byClipCacheIndex]=lastKnownAction;knownActionsForClip.pop();action._byClipCacheIndex=null;var actionByRoot=actionsForClip.actionByRoot,rootUuid=(action._localRoot||this._root).uuid;delete actionByRoot[rootUuid];if(knownActionsForClip.length===0){delete actionsByClip[clipUuid];}this._removeInactiveBindingsForAction(action);}},{key:"_removeInactiveBindingsForAction",value:function _removeInactiveBindingsForAction(action){var bindings=action._propertyBindings;for(var i=0,n=bindings.length;i!==n;++i){var binding=bindings[i];if(--binding.referenceCount===0){this._removeInactiveBinding(binding);}}}},{key:"_lendAction",value:function _lendAction(action){// [ active actions |	inactive actions	]
2192// [	active actions >| inactive actions ]
2193//								 s				a
2194//									<-swap->
2195//								 a				s
2196var actions=this._actions,prevIndex=action._cacheIndex,lastActiveIndex=this._nActiveActions++,firstInactiveAction=actions[lastActiveIndex];action._cacheIndex=lastActiveIndex;actions[lastActiveIndex]=action;firstInactiveAction._cacheIndex=prevIndex;actions[prevIndex]=firstInactiveAction;}},{key:"_takeBackAction",value:function _takeBackAction(action){// [	active actions	| inactive actions ]
2197// [ active actions |< inactive actions	]
2198//				a				s
2199//				 <-swap->
2200//				s				a
2201var actions=this._actions,prevIndex=action._cacheIndex,firstInactiveIndex=--this._nActiveActions,lastActiveAction=actions[firstInactiveIndex];action._cacheIndex=firstInactiveIndex;actions[firstInactiveIndex]=action;lastActiveAction._cacheIndex=prevIndex;actions[prevIndex]=lastActiveAction;}// Memory management for PropertyMixer objects
2202},{key:"_addInactiveBinding",value:function _addInactiveBinding(binding,rootUuid,trackName){var bindingsByRoot=this._bindingsByRootAndName,bindings=this._bindings;var bindingByName=bindingsByRoot[rootUuid];if(bindingByName===undefined){bindingByName={};bindingsByRoot[rootUuid]=bindingByName;}bindingByName[trackName]=binding;binding._cacheIndex=bindings.length;bindings.push(binding);}},{key:"_removeInactiveBinding",value:function _removeInactiveBinding(binding){var bindings=this._bindings,propBinding=binding.binding,rootUuid=propBinding.rootNode.uuid,trackName=propBinding.path,bindingsByRoot=this._bindingsByRootAndName,bindingByName=bindingsByRoot[rootUuid],lastInactiveBinding=bindings[bindings.length-1],cacheIndex=binding._cacheIndex;lastInactiveBinding._cacheIndex=cacheIndex;bindings[cacheIndex]=lastInactiveBinding;bindings.pop();delete bindingByName[trackName];if(Object.keys(bindingByName).length===0){delete bindingsByRoot[rootUuid];}}},{key:"_lendBinding",value:function _lendBinding(binding){var bindings=this._bindings,prevIndex=binding._cacheIndex,lastActiveIndex=this._nActiveBindings++,firstInactiveBinding=bindings[lastActiveIndex];binding._cacheIndex=lastActiveIndex;bindings[lastActiveIndex]=binding;firstInactiveBinding._cacheIndex=prevIndex;bindings[prevIndex]=firstInactiveBinding;}},{key:"_takeBackBinding",value:function _takeBackBinding(binding){var bindings=this._bindings,prevIndex=binding._cacheIndex,firstInactiveIndex=--this._nActiveBindings,lastActiveBinding=bindings[firstInactiveIndex];binding._cacheIndex=firstInactiveIndex;bindings[firstInactiveIndex]=binding;lastActiveBinding._cacheIndex=prevIndex;bindings[prevIndex]=lastActiveBinding;}// Memory management of Interpolants for weight and time scale
2203},{key:"_lendControlInterpolant",value:function _lendControlInterpolant(){var interpolants=this._controlInterpolants,lastActiveIndex=this._nActiveControlInterpolants++;var interpolant=interpolants[lastActiveIndex];if(interpolant===undefined){interpolant=new LinearInterpolant(new Float32Array(2),new Float32Array(2),1,_controlInterpolantsResultBuffer);interpolant.__cacheIndex=lastActiveIndex;interpolants[lastActiveIndex]=interpolant;}return interpolant;}},{key:"_takeBackControlInterpolant",value:function _takeBackControlInterpolant(interpolant){var interpolants=this._controlInterpolants,prevIndex=interpolant.__cacheIndex,firstInactiveIndex=--this._nActiveControlInterpolants,lastActiveInterpolant=interpolants[firstInactiveIndex];interpolant.__cacheIndex=firstInactiveIndex;interpolants[firstInactiveIndex]=interpolant;lastActiveInterpolant.__cacheIndex=prevIndex;interpolants[prevIndex]=lastActiveInterpolant;}// return an action for a clip optionally using a custom root target
2204// object (this method allocates a lot of dynamic memory in case a
2205// previously unknown clip/root combination is specified)
2206},{key:"clipAction",value:function clipAction(clip,optionalRoot,blendMode){var root=optionalRoot||this._root,rootUuid=root.uuid;var clipObject=typeof clip==='string'?AnimationClip.findByName(root,clip):clip;var clipUuid=clipObject!==null?clipObject.uuid:clip;var actionsForClip=this._actionsByClip[clipUuid];var prototypeAction=null;if(blendMode===undefined){if(clipObject!==null){blendMode=clipObject.blendMode;}else{blendMode=NormalAnimationBlendMode;}}if(actionsForClip!==undefined){var existingAction=actionsForClip.actionByRoot[rootUuid];

2206if(existingAction!==undefined&&existingAction.blendMode===blendMode){return existingAction;}// we know the clip, so we don't have to parse all
2207// the bindings again but can just copy
2208prototypeAction=actionsForClip.knownActions[0];// also, take the clip from the prototype action
2209if(clipObject===null)clipObject=prototypeAction._clip;}// clip must be known when specified via string
2210if(clipObject===null)return null;// allocate all resources required to run it
2211var newAction=new AnimationAction(this,clipObject,optionalRoot,blendMode);this._bindAction(newAction,prototypeAction);// and make the action known to the memory manager
2212this._addInactiveAction(newAction,clipUuid,rootUuid);return newAction;}// get an existing action
2213},{key:"existingAction",value:function existingAction(clip,optionalRoot){var root=optionalRoot||this._root,rootUuid=root.uuid,clipObject=typeof clip==='string'?AnimationClip.findByName(root,clip):clip,clipUuid=clipObject?clipObject.uuid:clip,actionsForClip=this._actionsByClip[clipUuid];if(actionsForClip!==undefined){return actionsForClip.actionByRoot[rootUuid]||null;}return null;}// deactivates all previously scheduled actions
2214},{key:"stopAllAction",value:function stopAllAction(){var actions=this._actions,nActions=this._nActiveActions;for(var i=nActions-1;i>=0;--i){actions[i].stop();}return this;}// advance the time and update apply the animation
2215},{key:"update",value:function update(deltaTime){deltaTime*=this.timeScale;var actions=this._actions,nActions=this._nActiveActions,time=this.time+=deltaTime,timeDirection=Math.sign(deltaTime),accuIndex=this._accuIndex^=1;// run active actions
2216for(var i=0;i!==nActions;++i){var action=actions[i];action._update(time,deltaTime,timeDirection,accuIndex);}// update scene graph
2217var bindings=this._bindings,nBindings=this._nActiveBindings;for(var _i87=0;_i87!==nBindings;++_i87){bindings[_i87].apply(accuIndex);}return this;}// Allows you to seek to a specific time in an animation.
2218},{key:"setTime",value:function setTime(timeInSeconds){this.time=0;// Zero out time attribute for AnimationMixer object;
2219for(var i=0;i<this._actions.length;i++){this._actions[i].time=0;// Zero out time attribute for all associated AnimationAction objects.
2220}return this.update(timeInSeconds);// Update used to set exact time. Returns "this" AnimationMixer object.
2221}// return this mixer's root target object
2222},{key:"getRoot",value:function getRoot(){return this._root;}// free all resources specific to a particular clip
2223},{key:"uncacheClip",value:function uncacheClip(clip){var actions=this._actions,clipUuid=clip.uuid,actionsByClip=this._actionsByClip,actionsForClip=actionsByClip[clipUuid];if(actionsForClip!==undefined){// note: just calling _removeInactiveAction would mess up the
2224// iteration state and also require updating the state we can
2225// just throw away
2226var actionsToRemove=actionsForClip.knownActions;for(var i=0,n=actionsToRemove.length;i!==n;++i){var action=actionsToRemove[i];this._deactivateAction(action);var cacheIndex=action._cacheIndex,lastInactiveAction=actions[actions.length-1];action._cacheIndex=null;action._byClipCacheIndex=null;lastInactiveAction._cacheIndex=cacheIndex;actions[cacheIndex]=lastInactiveAction;actions.pop();this._removeInactiveBindingsForAction(action);}delete actionsByClip[clipUuid];}}// free all resources specific to a particular root target object
2227},{key:"uncacheRoot",value:function uncacheRoot(root){var rootUuid=root.uuid,actionsByClip=this._actionsByClip;for(var clipUuid in actionsByClip){var actionByRoot=actionsByClip[clipUuid].actionByRoot,action=actionByRoot[rootUuid];if(action!==undefined){this._deactivateAction(action);this._removeInactiveAction(action);}}var bindingsByRoot=this._bindingsByRootAndName,bindingByName=bindingsByRoot[rootUuid];if(bindingByName!==undefined){for(var trackName in bindingByName){var binding=bindingByName[trackName];binding.restoreOriginalState();this._removeInactiveBinding(binding);}}}// remove a targeted clip from the cache
2228},{key:"uncacheAction",value:function uncacheAction(clip,optionalRoot){var action=this.existingAction(clip,optionalRoot);if(action!==null){this._deactivateAction(action);this._removeInactiveAction(action);}}}]);return AnimationMixer;}(EventDispatcher);var Uniform=/*#__PURE__*/function(){function Uniform(value){_classCallCheck(this,Uniform);if(typeof value==='string'){console.warn('THREE.Uniform: Type parameter is no longer needed.');value=arguments[1];}this.value=value;}_createClass(Uniform,[{key:"clone",value:function clone(){return new Uniform(this.value.clone===undefined?this.value:this.value.clone());}}]);return Uniform;}();var id=0;var UniformsGroup=/*#__PURE__*/function(_EventDispatcher8){_inherits(UniformsGroup,_EventDispatcher8);var _super141=_createSuper(UniformsGroup);function UniformsGroup(){var _this114;_classCallCheck(this,UniformsGroup);_this114=_super141.call(this);_this114.isUniformsGroup=true;

2228Object.defineProperty(_assertThisInitialized(_this114),'id',{value:id++});_this114.name='';_this114.usage=StaticDrawUsage;_this114.uniforms=[];return _this114;}_createClass(UniformsGroup,[{key:"add",value:function add(uniform){this.uniforms.push(uniform);return this;}},{key:"remove",value:function remove(uniform){var index=this.uniforms.indexOf(uniform);if(index!==-1)this.uniforms.splice(index,1);return this;}},{key:"setName",value:function setName(name){this.name=name;return this;}},{key:"setUsage",value:function setUsage(value){this.usage=value;return this;}},{key:"dispose",value:function dispose(){this.dispatchEvent({type:'dispose'});return this;}},{key:"copy",value:function copy(source){this.name=source.name;this.usage=source.usage;var uniformsSource=source.uniforms;this.uniforms.length=0;for(var i=0,l=uniformsSource.length;i<l;i++){this.uniforms.push(uniformsSource[i].clone());}return this;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}}]);return UniformsGroup;}(EventDispatcher);var InstancedInterleavedBuffer=/*#__PURE__*/function(_InterleavedBuffer){_inherits(InstancedInterleavedBuffer,_InterleavedBuffer);var _super142=_createSuper(InstancedInterleavedBuffer);function InstancedInterleavedBuffer(array,stride){var _this115;var meshPerAttribute=arguments.length>2&&arguments[2]!==undefined?arguments[2]:1;_classCallCheck(this,InstancedInterleavedBuffer);_this115=_super142.call(this,array,stride);_this115.isInstancedInterleavedBuffer=true;_this115.meshPerAttribute=meshPerAttribute;return _this115;}_createClass(InstancedInterleavedBuffer,[{key:"copy",value:function copy(source){_get(_getPrototypeOf(InstancedInterleavedBuffer.prototype),"copy",this).call(this,source);this.meshPerAttribute=source.meshPerAttribute;return this;}},{key:"clone",value:function clone(data){var ib=_get(_getPrototypeOf(InstancedInterleavedBuffer.prototype),"clone",this).call(this,data);ib.meshPerAttribute=this.meshPerAttribute;return ib;}},{key:"toJSON",value:function toJSON(data){var json=_get(_getPrototypeOf(InstancedInterleavedBuffer.prototype),"toJSON",this).call(this,data);json.isInstancedInterleavedBuffer=true;json.meshPerAttribute=this.meshPerAttribute;return json;}}]);return InstancedInterleavedBuffer;}(InterleavedBuffer);var GLBufferAttribute=/*#__PURE__*/function(){function GLBufferAttribute(buffer,type,itemSize,elementSize,count){_classCallCheck(this,GLBufferAttribute);this.isGLBufferAttribute=true;this.buffer=buffer;this.type=type;this.itemSize=itemSize;this.elementSize=elementSize;this.count=count;this.version=0;}_createClass(GLBufferAttribute,[{key:"needsUpdate",set:function set(value){if(value===true)this.version++;}},{key:"setBuffer",value:function setBuffer(buffer){this.buffer=buffer;return this;}},{key:"setType",value:function setType(type,elementSize){this.type=type;this.elementSize=elementSize;return this;}},{key:"setItemSize",value:function setItemSize(itemSize){this.itemSize=itemSize;return this;}},{key:"setCount",value:function setCount(count){this.count=count;return this;}}]);return GLBufferAttribute;}();var Raycaster=/*#__PURE__*/function(){function Raycaster(origin,direction){var near=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;var far=arguments.length>3&&arguments[3]!==undefined?arguments[3]:Infinity;_classCallCheck(this,Raycaster);this.ray=new Ray(origin,direction);// direction is assumed to be normalized (for accurate distance calculations)
2229this.near=near;this.far=far;this.camera=null;this.layers=new Layers();this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}};}_createClass(Raycaster,[{key:"set",value:function set(origin,direction){// direction is assumed to be normalized (for accurate distance calculations)
2230this.ray.set(origin,direction);}},{key:"setFromCamera",value:function setFromCamera(coords,camera){if(camera.isPerspectiveCamera){this.ray.origin.setFromMatrixPosition(camera.matrixWorld);this.ray.direction.set(coords.x,coords.y,0.5).unproject(camera).sub(this.ray.origin).normalize();this.camera=camera;}else if(camera.isOrthographicCamera){this.ray.origin.set(coords.x,

2230coords.y,(camera.near+camera.far)/(camera.near-camera.far)).unproject(camera);// set origin in plane of camera
2231this.ray.direction.set(0,0,-1).transformDirection(camera.matrixWorld);this.camera=camera;}else{console.error('THREE.Raycaster: Unsupported camera type: '+camera.type);}}},{key:"intersectObject",value:function intersectObject(object){var recursive=arguments.length>1&&arguments[1]!==undefined?arguments[1]:true;var intersects=arguments.length>2&&arguments[2]!==undefined?arguments[2]:[];_intersectObject(object,this,intersects,recursive);intersects.sort(ascSort);return intersects;}},{key:"intersectObjects",value:function intersectObjects(objects){var recursive=arguments.length>1&&arguments[1]!==undefined?arguments[1]:true;var intersects=arguments.length>2&&arguments[2]!==undefined?arguments[2]:[];for(var i=0,l=objects.length;i<l;i++){_intersectObject(objects[i],this,intersects,recursive);}intersects.sort(ascSort);return intersects;}}]);return Raycaster;}();function ascSort(a,b){return a.distance-b.distance;}function _intersectObject(object,raycaster,intersects,recursive){if(object.layers.test(raycaster.layers)){object.raycast(raycaster,intersects);}if(recursive===true){var children=object.children;for(var i=0,l=children.length;i<l;i++){_intersectObject(children[i],raycaster,intersects,true);}}}/**
2232	 * Ref: https://en.wikipedia.org/wiki/Spherical_coordinate_system
2233	 *
2234	 * The polar angle (phi) is measured from the positive y-axis. The positive y-axis is up.
2235	 * The azimuthal angle (theta) is measured from the positive z-axis.
2236	 */var Spherical=/*#__PURE__*/function(){function Spherical(){var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var phi=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var theta=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;_classCallCheck(this,Spherical);this.radius=radius;this.phi=phi;// polar angle
2237this.theta=theta;// azimuthal angle
2238return this;}_createClass(Spherical,[{key:"set",value:function set(radius,phi,theta){this.radius=radius;this.phi=phi;this.theta=theta;return this;}},{key:"copy",value:function copy(other){this.radius=other.radius;this.phi=other.phi;this.theta=other.theta;return this;}// restrict phi to be between EPS and PI-EPS
2239},{key:"makeSafe",value:function makeSafe(){var EPS=0.000001;this.phi=Math.max(EPS,Math.min(Math.PI-EPS,this.phi));return this;}},{key:"setFromVector3",value:function setFromVector3(v){return this.setFromCartesianCoords(v.x,v.y,v.z);}},{key:"setFromCartesianCoords",value:function setFromCartesianCoords(x,y,z){this.radius=Math.sqrt(x*x+y*y+z*z);if(this.radius===0){this.theta=0;this.phi=0;}else{this.theta=Math.atan2(x,z);this.phi=Math.acos(clamp(y/this.radius,-1,1));}return this;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}}]);return Spherical;}();/**
2240	 * Ref: https://en.wikipedia.org/wiki/Cylindrical_coordinate_system
2241	 */var Cylindrical=/*#__PURE__*/function(){function Cylindrical(){var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:1;var theta=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0;var y=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0;_classCallCheck(this,Cylindrical);this.radius=radius;// distance from the origin to a point in the x-z plane
2242this.theta=theta;// counterclockwise angle in the x-z plane measured in radians from the positive z-axis
2243this.y=y;// height above the x-z plane
2244return this;}_createClass(Cylindrical,[{key:"set",value:function set(radius,theta,y){this.radius=radius;this.theta=theta;this.y=y;return this;}},{key:"copy",value:function copy(other){this.radius=other.radius;this.theta=other.theta;this.y=other.y;return this;}},{key:"setFromVector3",value:function setFromVector3(v){return this.setFromCartesianCoords(v.x,v.y,v.z);}},{key:"setFromCartesianCoords",value:function setFromCartesianCoords(x,y,z){this.radius=Math.sqrt(x*x+z*z);this.theta=Math.atan2(x,z);this.y=y;return this;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}}]);return Cylindrical;}();var _vector$4=/*@__PURE__*/new Vector2();var Box2=/*#__PURE__*/function(){function Box2(){var min=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector2(+Infinity,+Infinity);var max=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector2(-Infinity,-Infinity);_classCallCheck(this,Box2);this.isBox2=true;this.min=min;this.max=max;}_createClass(Box2,[{key:"set",value:function set(min,max){this.min.copy(min);this.max.copy(max);return this;}},{key:"setFromPoints",value:function setFromPoints(points){this.makeEmpty();for(var i=0,il=points.length;i<il;i++){this.expandByPoint(points[i]);}return this;}},{key:"setFromCenterAndSize",value:function setFromCenterAndSize(center,size){var halfSize=_vector$4.copy(size).multiplyScalar(0.5);this.min.copy(center).sub(halfSize);this.max.copy(center).add(halfSize);return this;}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}},{key:"copy",value:function copy(box){this.min.copy(box.min);this.max.copy(box.max);return this;}},{key:"makeEmpty",value:function makeEmpty(){this.min.x=this.min.y=+Infinity;this.max.x=this.max.y=-Infinity;return this;}},{key:"isEmpty",value:function isEmpty(){// this is a more robust check for empty than ( volume <= 0 ) because volume can get positive with two negative axes
2245return this.max.x<this.min.x||this.max.y<this.min.y;}},{key:"getCenter",value:function getCenter(target){return this.isEmpty()?target.set(0,0):target.addVectors(this.min,this.max).multiplyScalar(0.5);}},{key:"getSize",value:function getSize(target){return this.isEmpty()?target.set(0,0):target.subVectors(this.max,this.min);}},{key:"expandByPoint",value:function expandByPoint(point){this.min.min(point);this.max.max(point);return this;}},{key:"expandByVector",value:function expandByVector(vector){this.min.sub(vector);this.max.add(vector);return this;}},{key:"expandByScalar",value:function expandByScalar(scalar){this.min.addScalar(-scalar);this.max.addScalar(scalar);return this;}},{key:"containsPoint",value:function containsPoint(point){return point.x<this.min.x||point.x>this.max.x||point.y<this.min.y||point.y>this.max.y?false:true;}},{key:"containsBox",value:function containsBox(box){return this.min.x<=box.min.x&&box.max.x<=this.max.x&&this.min.y<=box.min.y&&box.max.y<=this.max.y;}},{key:"getParameter",value:function getParameter(point,target){// This can potentially have a divide by zero if the box
2246// has a size dimension of 0.
2247return target.set((point.x-this.min.x)/(this.max.x-this.min.x),(point.y-this.min.y)/(this.max.y-this.min.y));}},{key:"intersectsBox",value:function intersectsBox(box){// using 4 splitting planes to rule out intersections
2248return box.max.x<this.min.x||box.min.x>this.max.x||box.max.y<this.min.y||box.min.y>this.max.y?false:true;}},{key:"clampPoint",value:function clampPoint(point,target){return target.copy(point).clamp(this.min,this.max);}}

2248,{key:"distanceToPoint",value:function distanceToPoint(point){var clampedPoint=_vector$4.copy(point).clamp(this.min,this.max);return clampedPoint.sub(point).length();}},{key:"intersect",value:function intersect(box){this.min.max(box.min);this.max.min(box.max);return this;}},{key:"union",value:function union(box){this.min.min(box.min);this.max.max(box.max);return this;}},{key:"translate",value:function translate(offset){this.min.add(offset);this.max.add(offset);return this;}},{key:"equals",value:function equals(box){return box.min.equals(this.min)&&box.max.equals(this.max);}}]);return Box2;}();var _startP=/*@__PURE__*/new Vector3();var _startEnd=/*@__PURE__*/new Vector3();var Line3=/*#__PURE__*/function(){function Line3(){var start=arguments.length>0&&arguments[0]!==undefined?arguments[0]:new Vector3();var end=arguments.length>1&&arguments[1]!==undefined?arguments[1]:new Vector3();_classCallCheck(this,Line3);this.start=start;this.end=end;}_createClass(Line3,[{key:"set",value:function set(start,end){this.start.copy(start);this.end.copy(end);return this;}},{key:"copy",value:function copy(line){this.start.copy(line.start);this.end.copy(line.end);return this;}},{key:"getCenter",value:function getCenter(target){return target.addVectors(this.start,this.end).multiplyScalar(0.5);}},{key:"delta",value:function delta(target){return target.subVectors(this.end,this.start);}},{key:"distanceSq",value:function distanceSq(){return this.start.distanceToSquared(this.end);}},{key:"distance",value:function distance(){return this.start.distanceTo(this.end);}},{key:"at",value:function at(t,target){return this.delta(target).multiplyScalar(t).add(this.start);}},{key:"closestPointToPointParameter",value:function closestPointToPointParameter(point,clampToLine){_startP.subVectors(point,this.start);_startEnd.subVectors(this.end,this.start);var startEnd2=_startEnd.dot(_startEnd);var startEnd_startP=_startEnd.dot(_startP);var t=startEnd_startP/startEnd2;if(clampToLine){t=clamp(t,0,1);}return t;}},{key:"closestPointToPoint",value:function closestPointToPoint(point,clampToLine,target){var t=this.closestPointToPointParameter(point,clampToLine);return this.delta(target).multiplyScalar(t).add(this.start);}},{key:"applyMatrix4",value:function applyMatrix4(matrix){this.start.applyMatrix4(matrix);this.end.applyMatrix4(matrix);return this;}},{key:"equals",value:function equals(line){return line.start.equals(this.start)&&line.end.equals(this.end);}},{key:"clone",value:function clone(){return new this.constructor().copy(this);}}]);return Line3;}();var _vector$3=/*@__PURE__*/new Vector3();var SpotLightHelper=/*#__PURE__*/function(_Object3D14){_inherits(SpotLightHelper,_Object3D14);var _super143=_createSuper(SpotLightHelper);function SpotLightHelper(light,color){var _this116;_classCallCheck(this,SpotLightHelper);_this116=_super143.call(this);_this116.light=light;_this116.light.updateMatrixWorld();_this116.matrix=light.matrixWorld;_this116.matrixAutoUpdate=false;_this116.color=color;var geometry=new BufferGeometry();var positions=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(var i=0,j=1,l=32;i<l;i++,j++){var p1=i/l*Math.PI*2;var p2=j/l*Math.PI*2;positions.push(Math.cos(p1),Math.sin(p1),1,Math.cos(p2),Math.sin(p2),1);}geometry.setAttribute('position',new Float32BufferAttribute(positions,3));var material=new LineBasicMaterial({fog:false,toneMapped:false});_this116.cone=new LineSegments(geometry,material);_this116.add(_this116.cone);_this116.update();return _this116;}_createClass(SpotLightHelper,[{key:"dispose",value:function dispose(){this.cone.geometry.dispose();this.cone.material.dispose();}},{key:"update",value:function update(){this.light.updateMatrixWorld();var coneLength=this.light.distance?this.light.distance:1000;var coneWidth=coneLength*Math.tan(this.light.angle);this.cone.scale.set(coneWidth,coneWidth,coneLength);_vector$3.setFromMatrixPosition(this.light.target.matrixWorld);this.cone.lookAt(_vector$3);if(this.color!==undefined){this.cone.material.color.set(this.color);}else{this.cone.material.color.copy(this.light.color);}}}]);return SpotLightHelper;}(Object3D);var _vector$2=/*@__PURE__*/new Vector3();var _boneMatrix=/*@__PURE__*/new Matrix4();var _matrixWorldInv=/*@__PURE__*/new Matrix4();var SkeletonHelper=/*#__PURE__*/function(_LineSegments){_inherits(SkeletonHelper,_LineSegments);var _super144=_createSuper(SkeletonHelper);function SkeletonHelper(object){var _this117;_classCallCheck(this,SkeletonHelper);var bones=getBoneList(object);var geometry=new BufferGeometry();var vertices=[];var colors=[];var color1=new Color(0,0,1);var color2=new Color(0,1,0);for(var i=0;i<bones.length;i++){var bone=bones[i];if(bone.parent&&bone.parent.isBone){vertices.push(0,0,0);vertices.push(0,0,0);colors.push(color1.r,color1.g,color1.b);colors.push(color2.r,color2.g,color2.b);}}geometry.setAttribute('position',new Float32BufferAttribute(vertices,3));geometry.setAttribute('color',new Float32BufferAttribute(colors,3));var material=new LineBasicMaterial({vertexColors:true,depthTest:false,depthWrite:false,toneMapped:false,transparent:true});_this117=_super144.call(this,geometry,material);_this117.isSkeletonHelper=true;_this117.type='SkeletonHelper';_this117.root=object;_this117.bones=bones;_this117.matrix=object.matrixWorld;_this117.matrixAutoUpdate=false;return _this117;}_createClass(SkeletonHelper,[{key:"updateMatrixWorld",value:function updateMatrixWorld(force){var bones=this.bones;var geometry=this.geometry;var position=geometry.getAttribute('position');_matrixWorldInv.copy(this.root.matrixWorld).invert();for(var i=0,j=0;i<bones.length;i++){var bone=bones[i];if(bone.parent&&bone.parent.isBone){_boneMatrix.multiplyMatrices(_matrixWorldInv,bone.matrixWorld);_vector$2.setFromMatrixPosition(_boneMatrix);position.setXYZ(j,_vector$2.x,_vector$2.y,_vector$2.z);_boneMatrix.multiplyMatrices(_matrixWorldInv,bone.parent.matrixWorld);_vector$2.setFromMatrixPosition(_boneMatrix);position.setXYZ(j+1,_vector$2.x,_vector$2.y,_vector$2.z);j+=2;}}geometry.getAttribute('position').needsUpdate=true;_get(_getPrototypeOf(SkeletonHelper.prototype),"updateMatrixWorld",this).call(this,force);}}]);return SkeletonHelper;}(LineSegments);function getBoneList(object){var boneList=[];

2248if(object.isBone===true){boneList.push(object);}for(var i=0;i<object.children.length;i++){boneList.push.apply(boneList,getBoneList(object.children[i]));}return boneList;}var PointLightHelper=/*#__PURE__*/function(_Mesh3){_inherits(PointLightHelper,_Mesh3);var _super145=_createSuper(PointLightHelper);function PointLightHelper(light,sphereSize,color){var _this118;_classCallCheck(this,PointLightHelper);var geometry=new SphereGeometry(sphereSize,4,2);var material=new MeshBasicMaterial({wireframe:true,fog:false,toneMapped:false});_this118=_super145.call(this,geometry,material);_this118.light=light;_this118.light.updateMatrixWorld();_this118.color=color;_this118.type='PointLightHelper';_this118.matrix=_this118.light.matrixWorld;_this118.matrixAutoUpdate=false;_this118.update();/*
2249			// TODO: delete this comment?
2250			const distanceGeometry = new THREE.IcosahedronGeometry( 1, 2 );
2251			const distanceMaterial = new THREE.MeshBasicMaterial( { color: hexColor, fog: false, wireframe: true, opacity: 0.1, transparent: true } );
2252			this.lightSphere = new THREE.Mesh( bulbGeometry, bulbMaterial );
2253			this.lightDistance = new THREE.Mesh( distanceGeometry, distanceMaterial );
2254			const d = light.distance;
2255			if ( d === 0.0 ) {
2256				this.lightDistance.visible = false;
2257			} else {
2258				this.lightDistance.scale.set( d, d, d );
2259			}
2260			this.add( this.lightDistance );
2261			*/return _this118;}_createClass(PointLightHelper,[{key:"dispose",value:function dispose(){this.geometry.dispose();this.material.dispose();}},{key:"update",value:function update(){if(this.color!==undefined){this.material.color.set(this.color);}else{this.material.color.copy(this.light.color);}/*
2262			const d = this.light.distance;
2263				if ( d === 0.0 ) {
2264					this.lightDistance.visible = false;
2265				} else {
2266					this.lightDistance.visible = true;
2267				this.lightDistance.scale.set( d, d, d );
2268				}
2269			*/}}]);return PointLightHelper;}(Mesh);var _vector$1=/*@__PURE__*/new Vector3();var _color1=/*@__PURE__*/new Color();var _color2=/*@__PURE__*/new Color();var HemisphereLightHelper=/*#__PURE__*/function(_Object3D15){_inherits(HemisphereLightHelper,_Object3D15);var _super146=_createSuper(HemisphereLightHelper);function HemisphereLightHelper(light,size,color){var _this119;_classCallCheck(this,HemisphereLightHelper);_this119=_super146.call(this);_this119.light=light;_this119.light.updateMatrixWorld();_this119.matrix=light.matrixWorld;_this119.matrixAutoUpdate=false;_this119.color=color;var geometry=new OctahedronGeometry(size);geometry.rotateY(Math.PI*0.5);_this119.material=new MeshBasicMaterial({wireframe:true,fog:false,toneMapped:false});if(_this119.color===undefined)_this119.material.vertexColors=true;var position=geometry.getAttribute('position');var colors=new Float32Array(position.count*3);geometry.setAttribute('color',new BufferAttribute(colors,3));_this119.add(new Mesh(geometry,_this119.material));_this119.update();return _this119;}_createClass(HemisphereLightHelper,[{key:"dispose",value:function dispose(){this.children[0].geometry.dispose();this.children[0].material.dispose();}},{key:"update",value:function update(){var mesh=this.children[0];if(this.color!==undefined){this.material.color.set(this.color);}else{var colors=mesh.geometry.getAttribute('color');_color1.copy(this.light.color);_color2.copy(this.light.groundColor);for(var i=0,l=colors.count;i<l;i++){var color=i<l/2?_color1:_color2;colors.setXYZ(i,color.r,color.g,color.b);}colors.needsUpdate=true;}mesh.lookAt(_vector$1.setFromMatrixPosition(this.light.matrixWorld).negate());}}]);return HemisphereLightHelper;}(Object3D);var GridHelper=/*#__PURE__*/function(_LineSegments2){_inherits(GridHelper,_LineSegments2);var _super147=_createSuper(GridHelper);function GridHelper(){var _this120;var size=arguments.length>0&&arguments[0]!==undefined?arguments[0]:10;var divisions=arguments.length>1&&arguments[1]!==undefined?arguments[1]:10;var color1=arguments.length>2&&arguments[2]!==undefined?arguments[2]:0x444444;var color2=arguments.length>3&&arguments[3]!==undefined?arguments[3]:0x888888;_classCallCheck(this,GridHelper);color1=new Color(color1);color2=new Color(color2);var center=divisions/2;var step=size/divisions;var halfSize=size/2;var vertices=[],colors=[];for(var i=0,j=0,k=-halfSize;

2269i<=divisions;i++,k+=step){vertices.push(-halfSize,0,k,halfSize,0,k);vertices.push(k,0,-halfSize,k,0,halfSize);var color=i===center?color1:color2;color.toArray(colors,j);j+=3;color.toArray(colors,j);j+=3;color.toArray(colors,j);j+=3;color.toArray(colors,j);j+=3;}var geometry=new BufferGeometry();geometry.setAttribute('position',new Float32BufferAttribute(vertices,3));geometry.setAttribute('color',new Float32BufferAttribute(colors,3));var material=new LineBasicMaterial({vertexColors:true,toneMapped:false});_this120=_super147.call(this,geometry,material);_this120.type='GridHelper';return _this120;}return _createClass(GridHelper);}(LineSegments);var PolarGridHelper=/*#__PURE__*/function(_LineSegments3){_inherits(PolarGridHelper,_LineSegments3);var _super148=_createSuper(PolarGridHelper);function PolarGridHelper(){var _this121;var radius=arguments.length>0&&arguments[0]!==undefined?arguments[0]:10;var radials=arguments.length>1&&arguments[1]!==undefined?arguments[1]:16;var circles=arguments.length>2&&arguments[2]!==undefined?arguments[2]:8;var divisions=arguments.length>3&&arguments[3]!==undefined?arguments[3]:64;var color1=arguments.length>4&&arguments[4]!==undefined?arguments[4]:0x444444;var color2=arguments.length>5&&arguments[5]!==undefined?arguments[5]:0x888888;_classCallCheck(this,PolarGridHelper);color1=new Color(color1);color2=new Color(color2);var vertices=[];var colors=[];// create the radials
2270for(var i=0;i<=radials;i++){var v=i/radials*(Math.PI*2);var x=Math.sin(v)*radius;var z=Math.cos(v)*radius;vertices.push(0,0,0);vertices.push(x,0,z);var color=i&1?color1:color2;colors.push(color.r,color.g,color.b);colors.push(color.r,color.g,color.b);}// create the circles
2271for(var _i88=0;_i88<=circles;_i88++){var _color=_i88&1?color1:color2;var r=radius-radius/circles*_i88;for(var j=0;

2271j<divisions;j++){// first vertex
2272var _v=j/divisions*(Math.PI*2);var _x12=Math.sin(_v)*r;var _z3=Math.cos(_v)*r;vertices.push(_x12,0,_z3);colors.push(_color.r,_color.g,_color.b);// second vertex
2273_v=(j+1)/divisions*(Math.PI*2);_x12=Math.sin(_v)*r;_z3=Math.cos(_v)*r;vertices.push(_x12,0,_z3);colors.push(_color.r,_color.g,_color.b);}}var geometry=new BufferGeometry();geometry.setAttribute('position',new Float32BufferAttribute(vertices,3));geometry.setAttribute('color',new Float32BufferAttribute(colors,3));var material=new LineBasicMaterial({vertexColors:true,toneMapped:false});_this121=_super148.call(this,geometry,material);_this121.type='PolarGridHelper';return _this121;}return _createClass(PolarGridHelper);}(LineSegments);var _v1=/*@__PURE__*/new Vector3();var _v2=/*@__PURE__*/new Vector3();var _v3=/*@__PURE__*/new Vector3();var DirectionalLightHelper=/*#__PURE__*/function(_Object3D16){_inherits(DirectionalLightHelper,_Object3D16);var _super149=_createSuper(DirectionalLightHelper);function DirectionalLightHelper(light,size,color){var _this122;_classCallCheck(this,DirectionalLightHelper);_this122=_super149.call(this);_this122.light=light;_this122.light.updateMatrixWorld();_this122.matrix=light.matrixWorld;_this122.matrixAutoUpdate=false;_this122.color=color;if(size===undefined)size=1;var geometry=new BufferGeometry();geometry.setAttribute('position',new Float32BufferAttribute([-size,size,0,size,size,0,size,-size,0,-size,-size,0,-size,size,0],3));var material=new LineBasicMaterial({fog:false,toneMapped:false});_this122.lightPlane=new Line(geometry,material);_this122.add(_this122.lightPlane);geometry=new BufferGeometry();geometry.setAttribute('position',new Float32BufferAttribute([0,0,0,0,0,1],3));_this122.targetLine=new Line(geometry,material);_this122.add(_this122.targetLine);_this122.update();return _this122;}_createClass(DirectionalLightHelper,[{key:"dispose",value:function dispose(){this.lightPlane.geometry.dispose();this.lightPlane.material.dispose();this.targetLine.geometry.dispose();this.targetLine.material.dispose();}},{key:"update",value:function update(){_v1.setFromMatrixPosition(this.light.matrixWorld);_v2.setFromMatrixPosition(this.light.target.matrixWorld);_v3.subVectors(_v2,_v1);this.lightPlane.lookAt(_v2);if(this.color!==undefined){this.lightPlane.material.color.set(this.color);this.targetLine.material.color.set(this.color);}else{this.lightPlane.material.color.copy(this.light.color);this.targetLine.material.color.copy(this.light.color);}this.targetLine.lookAt(_v2);this.targetLine.scale.z=_v3.length();}}]);return DirectionalLightHelper;}(Object3D);var _vector=/*@__PURE__*/new Vector3();var _camera=/*@__PURE__*/new Camera();/**
2274	 *	- shows frustum, line of sight and up of the camera
2275	 *	- suitable for fast updates
2276	 * 	- based on frustum visualization in lightgl.js shadowmap example
2277	 *		https://github.com/evanw/lightgl.js/blob/master/tests/shadowmap.html
2278	 */var CameraHelper=/*#__PURE__*/function(_LineSegments4){_inherits(CameraHelper,_LineSegments4);var _super150=_createSuper(CameraHelper);function CameraHelper(camera){var _this123;_classCallCheck(this,CameraHelper);var geometry=new BufferGeometry();var material=new LineBasicMaterial({color:0xffffff,vertexColors:true,toneMapped:false});var vertices=[];var colors=[];var pointMap={};// near
2279addLine('n1','n2');addLine('n2','n4');addLine('n4','n3');addLine('n3','n1');// far
2280addLine('f1','f2');addLine('f2','f4');addLine('f4','f3');addLine('f3','f1');// sides
2281addLine('n1','f1');addLine('n2','f2');addLine('n3','f3');addLine('n4','f4');// cone
2282addLine('p','n1');addLine('p','n2');addLine('p','n3');addLine('p','n4');// up
2283addLine('u1','u2');addLine('u2','u3');addLine('u3','u1');// target
2284addLine('c','t');addLine('p','c');// cross
2285addLine('cn1','cn2');addLine('cn3','cn4');addLine('cf1','cf2');addLine('cf3','cf4');function addLine(a,b){addPoint(a);addPoint(b);}function addPoint(id){vertices.push(0,0,0);colors.push(0,0,0);if(pointMap[id]===undefined){pointMap[id]=[];}pointMap[id].push(vertices.length/3-1);}geometry.setAttribute('position',new Float32BufferAttribute(vertices,3));geometry.setAttribute('color',new Float32BufferAttribute(colors,3));_this123=_super150.call(this,geometry,material);_this123.type='CameraHelper';_this123.camera=camera;if(_this123.camera.updateProjectionMatrix)_this123.camera.updateProjectionMatrix();_this123.matrix=camera.matrixWorld;_this123.matrixAutoUpdate=false;

2285_this123.pointMap=pointMap;_this123.update();// colors
2286var colorFrustum=new Color(0xffaa00);var colorCone=new Color(0xff0000);var colorUp=new Color(0x00aaff);var colorTarget=new Color(0xffffff);var colorCross=new Color(0x333333);_this123.setColors(colorFrustum,colorCone,colorUp,colorTarget,colorCross);return _this123;}_createClass(CameraHelper,[{key:"setColors",value:function setColors(frustum,cone,up,target,cross){var geometry=this.geometry;var colorAttribute=geometry.getAttribute('color');// near
2287colorAttribute.setXYZ(0,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(1,frustum.r,frustum.g,frustum.b);// n1, n2
2288colorAttribute.setXYZ(2,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(3,frustum.r,frustum.g,frustum.b);// n2, n4
2289colorAttribute.setXYZ(4,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(5,frustum.r,frustum.g,frustum.b);// n4, n3
2290colorAttribute.setXYZ(6,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(7,frustum.r,frustum.g,frustum.b);// n3, n1
2291// far
2292colorAttribute.setXYZ(8,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(9,frustum.r,frustum.g,frustum.b);// f1, f2
2293colorAttribute.setXYZ(10,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(11,frustum.r,frustum.g,frustum.b);// f2, f4
2294colorAttribute.setXYZ(12,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(13,frustum.r,frustum.g,frustum.b);// f4, f3
2295colorAttribute.setXYZ(14,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(15,frustum.r,frustum.g,frustum.b);// f3, f1
2296// sides
2297colorAttribute.setXYZ(16,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(17,frustum.r,frustum.g,frustum.b);// n1, f1
2298colorAttribute.setXYZ(18,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(19,frustum.r,frustum.g,frustum.b);// n2, f2
2299colorAttribute.setXYZ(20,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(21,frustum.r,frustum.g,frustum.b);// n3, f3
2300colorAttribute.setXYZ(22,frustum.r,frustum.g,frustum.b);colorAttribute.setXYZ(23,frustum.r,frustum.g,frustum.b);// n4, f4
2301// cone
2302colorAttribute.setXYZ(24,cone.r,cone.g,cone.b);colorAttribute.setXYZ(25,cone.r,cone.g,cone.b);// p, n1
2303colorAttribute.setXYZ(26,cone.r,cone.g,cone.b);colorAttribute.setXYZ(27,cone.r,cone.g,cone.b);// p, n2
2304colorAttribute.setXYZ(28,cone.r,cone.g,cone.b);colorAttribute.setXYZ(29,cone.r,cone.g,cone.b);// p, n3
2305colorAttribute.setXYZ(30,cone.r,cone.g,cone.b);colorAttribute.setXYZ(31,cone.r,cone.g,cone.b);// p, n4
2306// up
2307colorAttribute.setXYZ(32,up.r,up.g,up.b);colorAttribute.setXYZ(33,up.r,up.g,up.b);// u1, u2
2308colorAttribute.setXYZ(34,up.r,up.g,up.b);colorAttribute.setXYZ(35,up.r,up.g,up.b);// u2, u3
2309colorAttribute.setXYZ(36,up.r,up.g,up.b);colorAttribute.setXYZ(37,up.r,up.g,up.b);// u3, u1
2310// target
2311colorAttribute.setXYZ(38,target.r,target.g,target.b);colorAttribute.setXYZ(39,target.r,target.g,target.b);// c, t
2312colorAttribute.setXYZ(40,cross.r,cross.g,cross.b);colorAttribute.setXYZ(41,cross.r,cross.g,cross.b);// p, c
2313// cross
2314colorAttribute.setXYZ(42,cross.r,cross.g,cross.b);colorAttribute.setXYZ(43,cross.r,cross.g,cross.b);// cn1, cn2
2315colorAttribute.setXYZ(44,cross.r,cross.g,cross.b);colorAttribute.setXYZ(45,cross.r,cross.g,cross.b);// cn3, cn4
2316colorAttribute.setXYZ(46,cross.r,cross.g,cross.b);colorAttribute.setXYZ(47,cross.r,cross.g,cross.b);// cf1, cf2
2317colorAttribute.setXYZ(48,cross.r,cross.g,cross.b);colorAttribute.setXYZ(49,cross.r,cross.g,cross.b);// cf3, cf4
2318colorAttribute.needsUpdate=true;}},{key:"update",value:function update(){var geometry=this.geometry;var pointMap=this.pointMap;var w=1,h=1;// we need just camera projection matrix inverse
2319// world matrix must be identity
2320_camera.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse);// center / target
2321setPoint('c',pointMap,geometry,_camera,0,0,-1);setPoint('t',pointMap,geometry,_camera,0,0,1);// near
2322setPoint('n1',pointMap,geometry,_camera,-w,-h,-1);setPoint('n2',pointMap,geometry,_camera,w,-h,-1);setPoint('n3',pointMap,geometry,_camera,-w,h,-1);setPoint('n4',pointMap,geometry,_camera,w,h,-1);// far
2323setPoint('f1',pointMap,geometry,_camera,-w,-h,1);setPoint('f2',pointMap,geometry,_camera,w,-h,1);setPoint('f3',pointMap,geometry,_camera,-w,h,1);setPoint('f4',pointMap,geometry,_camera,w,h,1);// up
2324setPoint('u1',pointMap,geometry,_camera,w*0.7,h*1.1,-1);setPoint('u2',pointMap,geometry,_camera,-w*0.7,h*1.1,-1);setPoint('u3',pointMap,geometry,_camera,0,h*2,-1);// cross
2325setPoint('cf1',pointMap,geometry,_camera,-w,0,1);setPoint('cf2',pointMap,geometry,_camera,w,0,1);setPoint('cf3',pointMap,geometry,_camera,0,-h,1);setPoint('cf4',pointMap,geometry,_camera,0,h,1);setPoint('cn1',pointMap,geometry,_camera,-w,0,-1);setPoint('cn2',pointMap,geometry,_camera,w,0,-1);setPoint('cn3',pointMap,geometry,_camera,0,-h,-1);setPoint('cn4',pointMap,geometry,_camera,0,h,-1);geometry.getAttribute('position').needsUpdate=true;}},{key:"dispose",value:function dispose(){this.geometry.dispose();this.material.dispose();}}]);return CameraHelper;}(LineSegments);function setPoint(point,pointMap,geometry,camera,x,y,z){_vector.set(x,y,z).unproject(camera);var points=pointMap[point];if(points!==undefined){var position=geometry.getAttribute('position');for(var i=0,l=points.length;i<l;i++){position.setXYZ(points[i],_vector.x,_vector.y,_vector.z);}}}var _box=/*@__PURE__*/new Box3();var BoxHelper=/*#__PURE__*/function(_LineSegments5){_inherits(BoxHelper,_LineSegments5);var _super151=_createSuper(BoxHelper);function BoxHelper(object){var _this124;var color=arguments.length>1&&arguments[1]!==undefined?arguments[1]:0xffff00;_classCallCheck(this,BoxHelper);var indices=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]);var positions=new Float32Array(8*3);var geometry=new BufferGeometry();geometry.setIndex(new BufferAttribute(indices,1));geometry.setAttribute('position',new BufferAttribute(positions,3));_this124=_super151.call(this,geometry,new LineBasicMaterial({color:color,toneMapped:false}));_this124.object=object;_this124.type='BoxHelper';_this124.matrixAutoUpdate=false;