https://sambhavg.github.io/medal/_app/immutable/nodes/2.CIYjYCeZ.js

5function wu(i,t,e){return i!==t?(e-i)/(t-i):0}function Zi(i,t,e){return(1-e)*i+e*t}function Ru(i,t,e,n){return Zi(i,t,1-Math.exp(-e*n))}function Cu(i,t=1){return t-Math.abs(Va(i,t*2)-t)}function Pu(i,t,e){return i<=t?0:i>=e?1:(i=(i-t)/(e-t),i*i*(3-2*i))}function Lu(i,t,e){return i<=t?0:i>=e?1:(i=(i-t)/(e-t),i*i*i*(i*(i*6-15)+10))}function Du(i,t){return i+Math.floor(Math.random()*(t-i+1))}function Uu(i,t){return i+Math.random()*(t-i)}function Iu(i){return i*(.5-Math.random())}function Nu(i){i!==void 0&&(oo=i);let t=oo+=1831565813;return t=Math.imul(t^t>>>15,t|1),t^=t+Math.imul(t^t>>>7,t|61),((t^t>>>14)>>>0)/4294967296}function Ou(i){return i*Ki}function Fu(i){return i*Qi}function Bu(i){return(i&i-1)===0&&i!==0}function zu(i){return Math.pow(2,Math.ceil(Math.log(i)/Math.LN2))}function Hu(i){return Math.pow(2,Math.floor(Math.log(i)/Math.LN2))}function Gu(i,t,e,n,r){const s=Math.cos,o=Math.sin,a=s(e/2),l=o(e/2),c=s((t+n)/2),u=o((t+n)/2),h=s((t-n)/2),d=o((t-n)/2),p=s((n-t)/2),g=o((n-t)/2);switch(r){case"XYX":i.set(a*u,l*h,l*d,a*c);break;case"YZY":i.set(l*d,a*u,l*h,a*c);break;case"ZXZ":i.set(l*h,l*d,a*u,a*c);break;case"XZX":i.set(a*u,l*g,l*p,a*c);break;case"YXY":i.set(l*p,a*u,l*g,a*c);break;case"ZYZ":i.set(l*g,l*p,a*u,a*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}}function je(i,t){switch(t.constructor){case Float32Array:return i;case Uint32Array:return i/4294967295;case Uint16Array:return i/65535;case Uint8Array:return i/255;case Int32Array:return Math.max(i/2147483647,-1);case Int16Array:return Math.max(i/32767,-1);case Int8Array:return Math.max(i/127,-1);default:throw new Error("Invalid component type.")}}function jt(i,t){switch(t.constructor){case Float32Array:return i;case Uint32Array:return Math.round(i*4294967295);case Uint16Array:return Math.round(i*65535);case Uint8Array:return Math.round(i*255);case Int32Array:return Math.round(i*2147483647);case Int16Array:return Math.round(i*32767);case Int8Array:return Math.round(i*127);default:throw new Error("Invalid component type.")}}const Bl={DEG2RAD:Ki,RAD2DEG:Qi,generateUUID:sn,clamp:me,euclideanModulo:Va,mapLinear:Au,inverseLerp:wu,lerp:Zi,damp:Ru,pingpong:Cu,smoothstep:Pu,smootherstep:Lu,randInt:Du,randFloat:Uu,randFloatSpread:Iu,seededRandom:Nu,degToRad:Ou,radToDeg:Fu,isPowerOfTwo:Bu,ceilPowerOfTwo:zu,floorPowerOfTwo:Hu,setQuaternionFromProperEuler:Gu,normalize:jt,denormalize:je};class ct{constructor(t=0,e=0){ct.prototype.isVector2=!0,this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t){return this.x+=t.x,this.y+=t.y,this}addScalar(t){return this.x+=t,this.y+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this}subScalar(t){return this.x-=t,this.y-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this}multiply(t){return this.x*=t.x,this.y*=t.y,this}multiplyScalar(t){return this.x*=t,this.y*=t,this}divide(t){return this.x/=t.x,this.y/=t.y,this}divideScalar(t){return this.multiplyScalar(1/t)}applyMatrix3(t){const e=this.x,n=this.y,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6],this.y=r[1]*e+r[4]*n+r[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(e===0)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(me(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y;return e*e+n*n}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const n=Math.cos(e),r=Math.sin(e),s=this.x-t.x,o=this.y-t.y;return this.x=s*n-o*r+t.x,this.y=s*r+o*n+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Vt{constructor(t,e,n,r,s,o,a,l,c){Vt.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],t!==void 0&&this.set(t,e,n,r,s,o,a,l,c)}set(t,e,n,r,s,o,a,l,c){const u=this.elements;return u[0]=t,u[1]=r,u[2]=a,u[3]=e,u[4]=s,u[5]=l,u[6]=n,u[7]=o,u[8]=c,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,r=e.elements,s=this.elements,o=n[0],a=n[3],l=n[6],c=n[1],u=n[4],h=n[7],d=n[2],p=n[5],g=n[8],v=r[0],m=r[3],f=r[6],A=r[1],x=r[4],T=r[7],O=r[2],C=r[5],R=r[8];return s[0]=o*v+a*A+l*O,s[3]=o*m+a*x+l*C,s[6]=o*f+a*T+l*R,s[1]=c*v+u*A+h*O,s[4]=c*m+u*x+h*C,s[7]=c*f+u*T+h*R,s[2]=d*v+p*A+g*O,s[5]=d*m+p*x+g*C,s[8]=d*f+p*T+g*R,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[1],r=t[2],s=t[3],o=t[4],a=t[5],l=t[6],c=t[7],u=t[8];return e*o*u-e*a*c-n*s*u+n*a*l+r*s*c-r*o*l}invert(){const t=this.elements,e=t[0],n=t[1],r=t[2],s=t[3],o=t[4],a=t[5],l=t[6],c=t[7],u=t[8],h=u*o-a*c,d=a*l-u*s,p=c*s-o*l,g=e*h+n*d+r*p;if(g===0)return this.set(0,0,0,0,0,0,0,0,0);const v=1/g;return t[0]=h*v,t[1]=(r*c-u*n)*v,t[2]=(a*n-r*o)*v,t[3]=d*v,t[4]=(u*e-r*l)*v,t[5]=(r*s-a*e)*v,t[6]=p*v,t[7]=(n*l-c*e)*v,t[8]=(o*e-n*s)*v,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,r,s,o,a){const l=Math.cos(s),c=Math.sin(s);return this.set(n*l,n*c,-n*(l*o+c*a)+o+t,-r*c,r*l,-r*(-c*o+l*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(gs.makeScale(t,e)),this}rotate(t){return this.premultiply(gs.makeRotation(-t)),this}translate(t,e){return this.premultiply(gs.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let r=0;r<9;r++)if(e[r]!==n[r])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return new this.constructor().fromArray(this.elements)}}const gs=new Vt;function zl(i){for(let t=i.length-1;t>=0;--t)if(i[t]>=65535)return!0;return!1}function tr(i){return document.createElementNS("http://www.w3.org/1999/xhtml",i)}function Vu(){const i=tr("canvas");return i.style.display="block",i}const lo={};function Ci(i){i in lo||(lo[i]=!0,console.warn(i))}function ku(i,t,e){return new Promise(function(n,r){function s(){switch(i.clientWaitSync(t,i.SYNC_FLUSH_COMMANDS_BIT,0)){case i.WAIT_FAILED:r();break;case i.TIMEOUT_EXPIRED:setTimeout(s,e);break;default:n()}}setTimeout(s,e)})}const co=new Vt().set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),uo=new Vt().set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),zi={[Fn]:{transfer:ts,primaries:es,luminanceCoefficients:[.2126,.7152,.0722],toReference:i=>i,fromReference:i=>i},[en]:{transfer:Jt,primaries:es,luminanceCoefficients:[.2126,.7152,.0722],toReference:i=>i.convertSRGBToLinear(),fromReference:i=>i.convertLinearToSRGB()},[os]:{transfer:ts,primaries:ns,luminanceCoefficients:[.2289,.6917,.0793],toReference:i=>i.applyMatrix3(uo),fromReference:i=>i.applyMatrix3(co)},[Ga]:{transfer:Jt,primaries:ns,luminanceCoefficients:[.2289,.6917,.0793],toReference:i=>i.convertSRGBToLinear().applyMatrix3(uo),fromReference:i=>i.applyMatrix3(co).convertLinearToSRGB()}},Wu=new Set([Fn,os]),Kt={enabled:!0,_workingColorSpace:Fn,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(i){if(!Wu.has(i))throw new Error(`Unsupported working color space, "${i}".`);this._workingColorSpace=i},convert:function(i,t,e){if(this.enabled===!1||t===e||!t||!e)return i;const n=zi[t].toReference,r=zi[e].fromReference;return r(n(i))},fromWorkingColorSpace:function(i,t){return this.convert(i,this._workingColorSpace,t)},toWorkingColorSpace:function(i,t){return this.convert(i,t,this._workingColorSpace)},getPrimaries:function(i){return zi[i].primaries},getTransfer:function(i){return i===Ln?ts:zi[i].transfer},getLuminanceCoefficients:function(i,t=this._workingColorSpace){return i.fromArray(zi[t].luminanceCoefficients)}};function Pi(i){return i<.04045?i*.0773993808:Math.pow(i*.9478672986+.0521327014,2.4)}function _s(i){return i<.0031308?i*12.92:1.055*Math.pow(i,.41666)-.055}let oi;class Xu{static getDataURL(t){if(/^data:/i.test(t.src)||typeof HTMLCanvasElement>"u")return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{oi===void 0&&(oi=tr("canvas")),oi.width=t.width,oi.height=t.height;const n=oi.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=oi}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if(typeof HTMLImageElement<"u"&&t instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&t instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&t instanceof ImageBitmap){const e=tr("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const r=n.getImageData(0,0,t.width,t.height),s=r.data;for(let o=0;o<s.length;o++)s[o]=Pi(s[o]/255)*255;return n.putImageData(r,0,0),e}else if(t.data){const e=t.data.slice(0);for(let n=0;n<e.length;n++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[n]=Math.floor(Pi(e[n]/255)*255):e[n]=Pi(e[n]);return{data:e,width:t.width,height:t.height}}else return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let qu=0;class Hl{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:qu++}),this.uuid=sn(),this.data=t,this.dataReady=!0,this.version=0}set needsUpdate(t){t===!0&&this.version++}toJSON(t){const e=t===void 0||typeof t=="string";if(!e&&t.images[this.uuid]!==void 0)return t.images[this.uuid];const n={uuid:this.uuid,url:""},r=this.data;if(r!==null){let s;if(Array.isArray(r)){s=[];for(let o=0,a=r.length;o<a;o++)r[o].isDataTexture?s.push(vs(r[o].image)):s.push(vs(r[o]))}else s=vs(r);n.url=s}return e||(t.images[this.uuid]=n),n}}function vs(i){return typeof HTMLImageElement<"u"&&i instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&i instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&i instanceof ImageBitmap?Xu.getDataURL(i):i.data?{data:Array.from(i.data),width:i.width,height:i.height,type:i.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let Yu=0;class Re extends ni{constructor(t=Re.DEFAULT_IMAGE,e=Re.DEFAULT_MAPPING,n=Zn,r=Zn,s=Ze,o=jn,a=$e,l=xn,c=Re.DEFAULT_ANISOTROPY,u=Ln){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Yu++}),this.uuid=sn(),this.name="",this.source=new Hl(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=n,this.wrapT=r,this.magFilter=s,this.minFilter=o,this.anisotropy=c,this.format=a,this.internalFormat=null,this.type=l,this.offset=new ct(0,0),this.repeat=new ct(1,1),this.center=new ct(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Vt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=u,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.pmremVersion=0}get image(){return this.source.data}set image(t=null){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return new this.constructor().copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}toJSON(t){const e=t===void 0||typeof t=="string";if(!e&&t.textures[this.uuid]!==void 0)return t.textures[this.uuid];const n={metadata:{version:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,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,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==Al)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case Qs:t.x=t.x-Math.floor(t.x);break;case Zn:t.x=t.x<0?0:1;break;case ta:Math.abs(Math.floor(t.x)%2)===1?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x);break}if(t.y<0||t.y>1)switch(this.wrapT){case Qs:t.y=t.y-Math.floor(t.y);break;case Zn:t.y=t.y<0?0:1;break;case ta:Math.abs(Math.floor(t.y)%2)===1?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y);break}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){t===!0&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){t===!0&&this.pmremVersion++}}Re.DEFAULT_IMAGE=null;Re.DEFAULT_MAPPING=Al;Re.DEFAULT_ANISOTROPY=1;class ee{constructor(t=0,e=0,n=0,r=1){ee.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=r}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,r){return this.x=t,this.y=e,this.z=n,this.w=r,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){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: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=t.w!==void 0?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,r=this.z,s=this.w,o=t.elements;return this.x=o[0]*e+o[4]*n+o[8]*r+o[12]*s,this.y=o[1]*e+o[5]*n+o[9]*r+o[13]*s,this.z=o[2]*e+o[6]*n+o[10]*r+o[14]*s,this.w=o[3]*e+o[7]*n+o[11]*r+o[15]*s,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,r,s;const l=t.elements,c=l[0],u=l[4],h=l[8],d=l[1],p=l[5],g=l[9],v=l[2],m=l[6],f=l[10];if(Math.abs(u-d)<.01&&Math.abs(h-v)<.01&&Math.abs(g-m)<.01){if(Math.abs(u+d)<.1&&Math.abs(h+v)<.1&&Math.abs(g+m)<.1&&Math.abs(c+p+f-3)<.1)return this.set(1,0,0,0),this;e=Math.PI;const x=(c+1)/2,T=(p+1)/2,O=(f+1)/2,C=(u+d)/4,R=(h+v)/4,U=(g+m)/4;return x>T&&x>O?x<.01?(n=0,r=.707106781,s=.707106781):(n=Math.sqrt(x),r=C/n,s=R/n):T>O?T<.01?(n=.707106781,r=0,s=.707106781):(r=Math.sqrt(T),n=C/r,s=U/r):O<.01?(n=.707106781,r=.707106781,s=0):(s=Math.sqrt(O),n=R/s,r=U/s),this.set(n,r,s,e),this}let A=Math.sqrt((m-g)*(m-g)+(h-v)*(h-v)+(d-u)*(d-u));return Math.abs(A)<.001&&(A=1),this.x=(m-g)/A,this.y=(h-v)/A,this.z=(d-u)/A,this.w=Math.acos((c+p+f-1)/2),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this.w=e[15],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Ku extends ni{constructor(t=1,e=1,n={}){super(),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new ee(0,0,t,e),this.scissorTest=!1,this.viewport=new ee(0,0,t,e);const r={width:t,height:e,depth:1};n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Ze,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1},n);const s=new Re(r,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace);s.flipY=!1,s.generateMipmaps=n.generateMipmaps,s.internalFormat=n.internalFormat,this.textures=[];const o=n.count;for(let a=0;a<o;a++)this.textures[a]=s.clone(),this.textures[a].isRenderTargetTexture=!0;this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.resolveDepthBuffer=n.resolveDepthBuffer,this.resolveStencilBuffer=n.resolveStencilBuffer,this.depthTexture=n.depthTexture,this.samples=n.samples}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}setSize(t,e,n=1){if(this.width!==t||this.height!==e||this.depth!==n){this.width=t,this.height=e,this.depth=n;for(let r=0,s=this.textures.length;r<s;r++)this.textures[r].image.width=t,this.textures[r].image.height=e,this.textures[r].image.depth=n;this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return new this.constructor().copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let n=0,r=t.textures.length;n<r;n++)this.textures[n]=t.textures[n].clone(),this.textures[n].isRenderTargetTexture=!0;const e=Object.assign({},t.texture.image);return this.texture.source=new Hl(e),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.resolveDepthBuffer=t.resolveDepthBuffer,this.resolveStencilBuffer=t.resolveStencilBuffer,t.depthTexture!==null&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Qn extends Ku{constructor(t=1,e=1,n={}){super(t,e,n),this.isWebGLRenderTarget=!0}}class Gl extends Re{constructor(t=null,e=1,n=1,r=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:n,depth:r},this.magFilter=Ve,this.minFilter=Ve,this.wrapR=Zn,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Zu extends Re{constructor(t=null,e=1,n=1,r=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:n,depth:r},this.magFilter=Ve,this.minFilter=Ve,this.wrapR=Zn,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class ti{constructor(t=0,e=0,n=0,r=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=n,this._w=r}static slerpFlat(t,e,n,r,s,o,a){let l=n[r+0],c=n[r+1],u=n[r+2],h=n[r+3];const d=s[o+0],p=s[o+1],g=s[o+2],v=s[o+3];if(a===0){t[e+0]=l,t[e+1]=c,t[e+2]=u,t[e+3]=h;return}if(a===1){t[e+0]=d,t[e+1]=p,t[e+2]=g,t[e+3]=v;return}if(h!==v||l!==d||c!==p||u!==g){let m=1-a;const f=l*d+c*p+u*g+h*v,A=f>=0?1:-1,x=1-f*f;if(x>Number.EPSILON){const O=Math.sqrt(x),C=Math.atan2(O,f*A);m=Math.sin(m*C)/O,a=Math.sin(a*C)/O}const T=a*A;if(l=l*m+d*T,c=c*m+p*T,u=u*m+g*T,h=h*m+v*T,m===1-a){const O=1/Math.sqrt(l*l+c*c+u*u+h*h);l*=O,c*=O,u*=O,h*=O}}t[e]=l,t[e+1]=c,t[e+2]=u,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,r,s,o){const a=n[r],l=n[r+1],c=n[r+2],u=n[r+3],h=s[o],d=s[o+1],p=s[o+2],g=s[o+3];return t[e]=a*g+u*h+l*p-c*d,t[e+1]=l*g+u*d+c*h-a*p,t[e+2]=c*g+u*p+a*d-l*h,t[e+3]=u*g-a*h-l*d-c*p,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,r){return this._x=t,this._y=e,this._z=n,this._w=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,r=t._y,s=t._z,o=t._order,a=Math.cos,l=Math.sin,c=a(n/2),u=a(r/2),h=a(s/2),d=l(n/2),p=l(r/2),g=l(s/2);switch(o){case"XYZ":this._x=d*u*h+c*p*g,this._y=c*p*h-d*u*g,this._z=c*u*g+d*p*h,this._w=c*u*h-d*p*g;break;case"YXZ":this._x=d*u*h+c*p*g,this._y=c*p*h-d*u*g,this._z=c*u*g-d*p*h,this._w=c*u*h+d*p*g;break;case"ZXY":this._x=d*u*h-c*p*g,this._y=c*p*h+d*u*g,this._z=c*u*g+d*p*h,this._w=c*u*h-d*p*g;break;case"ZYX":this._x=d*u*h-c*p*g,this._y=c*p*h+d*u*g,this._z=c*u*g-d*p*h,this._w=c*u*h+d*p*g;break;case"YZX":this._x=d*u*h+c*p*g,this._y=c*p*h+d*u*g,this._z=c*u*g-d*p*h,this._w=c*u*h-d*p*g;break;case"XZY":this._x=d*u*h-c*p*g,this._y=c*p*h-d*u*g,this._z=c*u*g+d*p*h,this._w=c*u*h+d*p*g;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+o)}return e===!0&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,r=Math.sin(n);return this._x=t.x*r,this._y=t.y*r,this._z=t.z*r,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],r=e[4],s=e[8],o=e[1],a=e[5],l=e[9],c=e[2],u=e[6],h=e[10],d=n+a+h;if(d>0){const p=.5/Math.sqrt(d+1);this._w=.25/p,this._x=(u-l)*p,this._y=(s-c)*p,this._z=(o-r)*p}else if(n>a&&n>h){const p=2*Math.sqrt(1+n-a-h);this._w=(u-l)/p,this._x=.25*p,this._y=(r+o)/p,this._z=(s+c)/p}else if(a>h){const p=2*Math.sqrt(1+a-n-h);this._w=(s-c)/p,this._x=(r+o)/p,this._y=.25*p,this._z=(l+u)/p}else{const p=2*Math.sqrt(1+h-n-a);this._w=(o-r)/p,this._x=(s+c)/p,this._y=(l+u)/p,this._z=.25*p}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return n<Number.EPSILON?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(me(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(n===0)return this;const r=Math.min(1,e/n);return this.slerp(t,r),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return t===0?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,r=t._y,s=t._z,o=t._w,a=e._x,l=e._y,c=e._z,u=e._w;return this._x=n*u+o*a+r*c-s*l,this._y=r*u+o*l+s*a-n*c,this._z=s*u+o*c+n*l-r*a,this._w=o*u-n*a-r*l-s*c,this._onChangeCallback(),this}slerp(t,e){if(e===0)return this;if(e===1)return this.copy(t);const n=this._x,r=this._y,s=this._z,o=this._w;let a=o*t._w+n*t._x+r*t._y+s*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=o,this._x=n,this._y=r,this._z=s,this;const l=1-a*a;if(l<=Number.EPSILON){const p=1-e;return this._w=p*o+e*this._w,this._x=p*n+e*this._x,this._y=p*r+e*this._y,this._z=p*s+e*this._z,this.normalize(),this}const c=Math.sqrt(l),u=Math.atan2(c,a),h=Math.sin((1-e)*u)/c,d=Math.sin(e*u)/c;return this._w=o*h+this._w*d,this._x=n*h+this._x*d,this._y=r*h+this._y*d,this._z=s*h+this._z*d,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),n=Math.random(),r=Math.sqrt(1-n),s=Math.sqrt(n);return this.set(r*Math.sin(t),r*Math.cos(t),s*Math.sin(e),s*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class L{constructor(t=0,e=0,n=0){L.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return n===void 0&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(ho.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(ho.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,r=this.z,s=t.elements;return this.x=s[0]*e+s[3]*n+s[6]*r,this.y=s[1]*e+s[4]*n+s[7]*r,this.z=s[2]*e+s[5]*n+s[8]*r,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,r=this.z,s=t.elements,o=1/(s[3]*e+s[7]*n+s[11]*r+s[15]);return this.x=(s[0]*e+s[4]*n+s[8]*r+s[12])*o,this.y=(s[1]*e+s[5]*n+s[9]*r+s[13])*o,this.z=(s[2]*e+s[6]*n+s[10]*r+s[14])*o,this}applyQuaternion(t){const e=this.x,n=this.y,r=this.z,s=t.x,o=t.y,a=t.z,l=t.w,c=2*(o*r-a*n),u=2*(a*e-s*r),h=2*(s*n-o*e);return this.x=e+l*c+o*h-a*u,this.y=n+l*u+a*c-s*h,this.z=r+l*h+s*u-o*c,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,r=this.z,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*r,this.y=s[1]*e+s[5]*n+s[9]*r,this.z=s[2]*e+s[6]*n+s[10]*r,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,r=t.y,s=t.z,o=e.x,a=e.y,l=e.z;return this.x=r*l-s*a,this.y=s*o-n*l,this.z=n*a-r*o,this}projectOnVector(t){const e=t.lengthSq();if(e===0)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return xs.copy(this).projectOnVector(t),this.sub(xs)}reflect(t){return this.sub(xs.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(e===0)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(me(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,r=this.z-t.z;return e*e+n*n+r*r}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const r=Math.sin(e)*t;return this.x=r*Math.sin(n),this.y=Math.cos(e)*t,this.z=r*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),r=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=r,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,e*4)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,e*3)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=Math.random()*2-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const xs=new L,ho=new ti;class Bn{constructor(t=new L(1/0,1/0,1/0),e=new L(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e+=3)this.expandByPoint(qe.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,n=t.count;e<n;e++)this.expandByPoint(qe.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=qe.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return new this.constructor().copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const n=t.geometry;if(n!==void 0){const s=n.getAttribute("position");if(e===!0&&s!==void 0&&t.isInstancedMesh!==!0)for(let o=0,a=s.count;o<a;o++)t.isMesh===!0?t.getVertexPosition(o,qe):qe.fromBufferAttribute(s,o),qe.a

5pplyMatrix4(t.matrixWorld),this.expandByPoint(qe);else t.boundingBox!==void 0?(t.boundingBox===null&&t.computeBoundingBox(),pr.copy(t.boundingBox)):(n.boundingBox===null&&n.computeBoundingBox(),pr.copy(n.boundingBox)),pr.applyMatrix4(t.matrixWorld),this.union(pr)}const r=t.children;for(let s=0,o=r.length;s<o;s++)this.expandByObject(r[s],e);return this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y&&t.max.z>=this.min.z&&t.min.z<=this.max.z}intersectsSphere(t){return this.clampPoint(t.center,qe),qe.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Hi),mr.subVectors(this.max,Hi),li.subVectors(t.a,Hi),ci.subVectors(t.b,Hi),ui.subVectors(t.c,Hi),Tn.subVectors(ci,li),bn.subVectors(ui,ci),Hn.subVectors(li,ui);let e=[0,-Tn.z,Tn.y,0,-bn.z,bn.y,0,-Hn.z,Hn.y,Tn.z,0,-Tn.x,bn.z,0,-bn.x,Hn.z,0,-Hn.x,-Tn.y,Tn.x,0,-bn.y,bn.x,0,-Hn.y,Hn.x,0];return!Ss(e,li,ci,ui,mr)||(e=[1,0,0,0,1,0,0,0,1],!Ss(e,li,ci,ui,mr))?!1:(gr.crossVectors(Tn,bn),e=[gr.x,gr.y,gr.z],Ss(e,li,ci,ui,mr))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,qe).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=this.getSize(qe).length()*.5),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()?this:(cn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),cn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),cn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),cn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),cn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),cn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),cn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),cn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(cn),this)}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const cn=[new L,new L,new L,new L,new L,new L,new L,new L],qe=new L,pr=new Bn,li=new L,ci=new L,ui=new L,Tn=new L,bn=new L,Hn=new L,Hi=new L,mr=new L,gr=new L,Gn=new L;function Ss(i,t,e,n,r){for(let s=0,o=i.length-3;s<=o;s+=3){Gn.fromArray(i,s);const a=r.x*Math.abs(Gn.x)+r.y*Math.abs(Gn.y)+r.z*Math.abs(Gn.z),l=t.dot(Gn),c=e.dot(Gn),u=n.dot(Gn);if(Math.max(-Math.max(l,c,u),Math.min(l,c,u))>a)return!1}return!0}const ju=new Bn,Gi=new L,Ms=new L;class sr{constructor(t=new L,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;e!==void 0?n.copy(e):ju.setFromPoints(t).getCenter(n);let r=0;for(let s=0,o=t.length;s<o;s++)r=Math.max(r,n.distanceToSquared(t[s]));return this.radius=Math.sqrt(r),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const n=this.center.distanceToSquared(t);return e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}

5applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Gi.subVectors(t,this.center);const e=Gi.lengthSq();if(e>this.radius*this.radius){const n=Math.sqrt(e),r=(n-this.radius)*.5;this.center.addScaledVector(Gi,r/n),this.radius+=r}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(this.center.equals(t.center)===!0?this.radius=Math.max(this.radius,t.radius):(Ms.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Gi.copy(t.center).add(Ms)),this.expandByPoint(Gi.copy(t.center).sub(Ms))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return new this.constructor().copy(this)}}const un=new L,ys=new L,_r=new L,An=new L,Es=new L,vr=new L,Ts=new L;class Vl{constructor(t=new L,e=new L(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,un)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=un.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(un.copy(this.origin).addScaledVector(this.direction,e),un.distanceToSquared(t))}distanceSqToSegment(t,e,n,r){ys.copy(t).add(e).multiplyScalar(.5),_r.copy(e).sub(t).normalize(),An.copy(this.origin).sub(ys);const s=t.distanceTo(e)*.5,o=-this.direction.dot(_r),a=An.dot(this.direction),l=-An.dot(_r),c=An.lengthSq(),u=Math.abs(1-o*o);let h,d,p,g;if(u>0)if(h=o*l-a,d=o*a-l,g=s*u,h>=0)if(d>=-g)if(d<=g){const v=1/u;h*=v,d*=v,p=h*(h+o*d+2*a)+d*(o*h+d+2*l)+c}else d=s,h=Math.max(0,-(o*d+a)),p=-h*h+d*(d+2*l)+c;else d=-s,h=Math.max(0,-(o*d+a)),p=-h*h+d*(d+2*l)+c;else d<=-g?(h=Math.max(0,-(-o*s+a)),d=h>0?-s:Math.min(Math.max(-s,-l),s),p=-h*h+d*(d+2*l)+c):d<=g?(h=0,d=Math.min(Math.max(-s,-l),s),p=d*(d+2*l)+c):(h=Math.max(0,-(o*s+a)),d=h>0?s:Math.min(Math.max(-s,-l),s),p=-h*h+d*(d+2*l)+c);else d=o>0?-s:s,h=Math.max(0,-(o*d+a)),p=-h*h+d*(d+2*l)+c;return n&&n.copy(this.origin).addScaledVector(this.direction,h),r&&r.copy(ys).addScaledVector(_r,d),p}intersectSphere(t,e){un.subVectors(t.center,this.origin);const n=un.dot(this.direction),r=un.dot(un)-n*n,s=t.radius*t.radius;if(r>s)return null;const o=Math.sqrt(s-r),a=n-o,l=n+o;return l<0?null:a<0?this.at(l,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(e===0)return t.distanceToPoint(this.origin)===0?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return n===null?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);return e===0||t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,r,s,o,a,l;const c=1/this.direction.x,u=1/this.direction.y,h=1/this.direction.z,d=this.origin;return c>=0?(n=(t.min.x-d.x)*c,r=(t.max.x-d.x)*c):(n=(t.max.x-d.x)*c,r=(t.min.x-d.x)*c),u>=0?(s=(t.min.y-d.y)*u,o=(t.max.y-d.y)*u):(s=(t.max.y-d.y)*u,o=(t.min.y-d.y)*u),n>o||s>r||((s>n||isNaN(n))&&(n=s),(o<r||isNaN(r))&&(r=o),h>=0?(a=(t.min.z-d.z)*h,l=(t.max.z-d.z)*h):(a=(t.max.z-d.z)*h,l=(t.min.z-d.z)*h),n>l||a>r)||((a>n||n!==n)&&(n=a),(l<r||r!==r)&&(r=l),r<0)?null:this.at(n>=0?n:r,e)}intersectsBox(t){return this.intersectBox(t,un)!==null}intersectTriangle(t,e,n,r,s){Es.subVectors(e,t),vr.subVectors(n,t),Ts.crossVectors(Es,vr);let o=this.direction.dot(Ts),a;if(o>0){if(r)return null;a=1}else if(o<0)a=-1,o=-o;else return null;An.subVectors(this.origin,t);const l=a*this.direction.dot(vr.crossVectors(An,vr));if(l<0)return null;const c=a*this.direction.dot(Es.cross(An));if(c<0||l+c>o)return null;const u=-a*An.dot(Ts);return u<0?null:this.at(u/o,s)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}}class oe{constructor(t,e,n,r,s,o,a,l,c,u,h,d,p,g,v,m){oe.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],t!==void 0&&this.set(t,e,n,r,s,o,a,l,c,u,h,d,p,g,v,m)}set(t,e,n,r,s,o,a,l,c,u,h,d,p,g,v,m){const f=this.elements;return f[0]=t,f[4]=e,f[8]=n,f[12]=r,f[1]=s,f[5]=o,f[9]=a,f[13]=l,f[2]=c,f[6]=u,f[10]=h,f[14]=d,f[3]=p,f[7]=g,f[11]=v,f[15]=m,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new oe().fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,r=1/hi.setFromMatrixColumn(t,0).length(),s=1/hi.setFromMatrixColumn(t,1).length(),o=1/hi.setFromMatrixColumn(t,2).length();return e[0]=n[0]*r,e[1]=n[1]*r,e[2]=n[2]*r,e[3]=0,e[4]=n[4]*s,e[5]=n[5]*s,e[6]=n[6]*s,e[7]=0,e[8]=n[8]*o,e[9]=n[9]*o,e[10]=n[10]*o,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,r=t.y,s=t.z,o=Math.cos(n),a=Math.sin(n),l=Math.cos(r),c=Math.sin(r),u=Math.cos(s),h=Math.sin(s);if(t.order==="XYZ"){const d=o*u,p=o*h,g=a*u,v=a*h;e[0]=l*u,e[4]=-l*h,e[8]=c,e[1]=p+g*c,e[5]=d-v*c,e[9]=-a*l,e[2]=v-d*c,e[6]=g+p*c,e[10]=o*l}else if(t.order==="YXZ"){const d=l*u,p=l*h,g=c*u,v=c*h;e[0]=d+v*a,e[4]=g*a-p,e[8]=o*c,e[1]=o*h,e[5]=o*u,e[9]=-a,e[2]=p*a-g,e[6]=v+d*a,e[10]=o*l}else if(t.order==="ZXY"){const d=l*u,p=l*h,g=c*u,v=c*h;e[0]=d-v*a,e[4]=-o*h,e[8]=g+p*a,e[1]=p+g*a,e[5]=o*u,e[9]=v-d*a,e[2]=-o*c,e[6]=a,e[10]=o*l}else if(t.order==="ZYX"){const d=o*u,p=o*h,g=a*u,v=a*h;e[0]=l*u,e[4]=g*c-p,e[8]=d*c+v,e[1]=l*h,e[5]=v*c+d,e[9]=p*c-g,e[2]=-c,e[6]=a*l,e[10]=o*l}else if(t.order==="YZX"){const d=o*l,p=o*c,g=a*l,v=a*c;e[0]=l*u,e[4]=v-d*h,e[8]=g*h+p,e[1]=h,e[5]=o*u,e[9]=-a*u,e[2]=-c*u,e[6]=p*h+g,e[10]=d-v*h}else if(t.order==="XZY"){const d=o*l,p=o*c,g=a*l,v=a*c;e[0]=l*u,e[4]=-h,e[8]=c*u,e[1]=d*h+v,e[5]=o*u,e[9]=p*h-g,e[2]=g*h-p,e[6]=a*u,e[10]=v*h+d}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose($u,t,Ju)}lookAt(t,e,n){const r=this.elements;return Ue.subVectors(t,e),Ue.lengthSq()===0&&(Ue.z=1),Ue.normalize(),wn.crossVectors(n,Ue),wn.lengthSq()===0&&(Math.abs(n.z)===1?Ue.x+=1e-4:Ue.z+=1e-4,Ue.normalize(),wn.crossVectors(n,Ue)),wn.normalize(),xr.crossVectors(Ue,wn),r[0]=wn.x,r[4]=xr.x,r[8]=Ue.x,r[1]=wn.y,r[5]=xr.y,r[9]=Ue.y,r[2]=wn.z,r[6]=xr.z,r[10]=Ue.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,r=e.elements,s=this.elements,o=n[0],a=n[4],l=n[8],c=n[12],u=n[1],h=n[5],d=n[9],p=n[13],g=n[2],v=n[6],m=n[10],f=n[14],A=n[3],x=n[7],T=n[11],O=n[15],C=r[0],R=r[4],U=r[8],b=r[12],M=r[1],P=r[5],Y=r[9],G=r[13],N=r[2],K=r[6],k=r[10],J=r[14],W=r[3],ot=r[7],et=r[11],mt=r[15];return s[0]=o*C+a*M+l*N+c*W,s[4]=o*R+a*P+l*K+c*ot,s[8]=o*U+a*Y+l*k+c*et,s[12]=o*b+a*G+l*J+c*mt,s[1]=u*C+h*M+d*N+p*W,s[5]=u*R+h*P+d*K+p*ot,s[9]=u*U+h*Y+d*k+p*et,s[13]=u*b+h*G+d*J+p*mt,s[2]=g*C+v*M+m*N+f*W,s[6]=g*R+v*P+m*K+f*ot,s[10]=g*U+v*Y+m*k+f*et,s[14]=g*b+v*G+m*J+f*mt,s[3]=A*C+x*M+T*N+O*W,s[7]=A*R+x*P+T*K+O*ot,s[11]=A*U+x*Y+T*k+O*et,s[15]=A*b+x*G+T*J+O*mt,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],r=t[8],s=t[12],o=t[1],a=t[5],l=t[9],c=t[13],u=t[2],h=t[6],d=t[10],p=t[14],g=t[3],v=t[7],m=t[11],f=t[15];return g*(+s*l*h-r*c*h-s*a*d+n*c*d+r*a*p-n*l*p)+v*(+e*l*p-e*c*d+s*o*d-r*o*p+r*c*u-s*l*u)+m*(+e*c*h-e*a*p-s*o*h+n*o*p+s*a*u-n*c*u)+f*(-r*a*u-e*l*h+e*a*d+r*o*h-n*o*d+n*l*u)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const r=this.elements;return t.isVector3?(r[12]=t.x,r[13]=t.y,r[14]=t.z):(r[12]=t,r[13]=e,r[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],r=t[2],s=t[3],o=t[4],a=t[5],l=t[6],c=t[7],u=t[8],h=t[9],d=t[10],p=t[11],g=t[12],v=t[13],m=t[14],f=t[15],A=h*m*c-v*d*c+v*l*p-a*m*p-h*l*f+a*d*f,x=g*d*c-u*m*c-g*l*p+o*m*p+u*l*f-o*d*f,T=u*v*c-g*h*c+g*a*p-o*v*p-u*a*f+o*h*f,O=g*h*l-u*v*l-g*a*d+o*v*d+u*a*m-o*h*m,C=e*A+n*x+r*T+s*O;if(C===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const R=1/C;return t[0]=A*R,t[1]=(v*d*s-h*m*s-v*r*p+n*m*p+h*r*f-n*d*f)*R,t[2]=(a*m*s-v*l*s+v*r*c-n*m*c-a*r*f+n*l*f)*R,t[3]=(h*l*s-a*d*s-h*r*c+n*d*c+a*r*p-n*l*p)*R,t[4]=x*R,t[5]=(u*m*s-g*d*s+g*r*p-e*m*p-u*r*f+e*d*f)*R,t[6]=(g*l*s-o*m*s-g*r*c+e*m*c+o*r*f-e*l*f)*R,t[7]=(o*d*s-u*l*s+u*r*c-e*d*c-o*r*p+e*l*p)*R,t[8]=T*R,t[9]=(g*h*s-u*v*s-g*n*p+e*v*p+u*n*f-e*h*f)*R,t[10]=(o*v*s-g*a*s+g*n*c-e*v*c-o*n*f+e*a*f)*R,t[11]=(u*a*s-o*h*s-u*n*c+e*h*c+o*n*p-e*a*p)*R,t[12]=O*R,t[13]=(u*v*r-g*h*r+g*n*d-e*v*d-u*n*m+e*h*m)*R,t[14]=(g*a*r-o*v*r-g*n*l+e*v*l+o*n*m-e*a*m)*R,t[15]=(o*h*r-u*a*r+u*n*l-e*h*l-o*n*d+e*a*d)*R,this}scale(t){const e=this.elements,n=t.x,r=t.y,s=t.z;return e[0]*=n,e[4]*=r,e[8]*=s,e[1]*=n,e[5]*=r,e[9]*=s,e[2]*=n,e[6]*=r,e[10]*=s,e[3]*=n,e[7]*=r,e[11]*=s,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],r=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,r))}makeTranslation(t,e,n){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),r=Math.sin(e),s=1-n,o=t.x,a=t.y,l=t.z,c=s*o,u=s*a;return this.set(c*o+n,c*a-r*l,c*l+r*a,0,c*a+r*l,u*a+n,u*l-r*o,0,c*l-r*a,u*l+r*o,s*l*l+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,r,s,o){return this.set(1,n,s,0,t,1,o,0,e,r,1,0,0,0,0,1),this}compose(t,e,n){const r=this.elements,s=e._x,o=e._y,a=e._z,l=e._w,c=s+s,u=o+o,h=a+a,d=s*c,p=s*u,g=s*h,v=o*u,m=o*h,f=a*h,A=l*c,x=l*u,T=l*h,O=n.x,C=n.y,R=n.z;return r[0]=(1-(v+f))*O,r[1]=(p+T)*O,r[2]=(g-x)*O,r[3]=0,r[4]=(p-T)*C,r[5]=(1-(d+f))*C,r[6]=(m+A)*C,r[7]=0,r[8]=(g+x)*R,r[9]=(m-A)*R,r[10]=(1-(d+v))*R,r[11]=0,r[12]=t.x,r[13]=t.y,r[14]=t.z,r[15]=1,this}decompose(t,e,n){const r=this.elements;let s=hi.set(r[0],r[1],r[2]).length();const o=hi.set(r[4],r[5],r[6]).length(),a=hi.set(r[8],r[9],r[10]).length();this.determinant()<0&&(s=-s),t.x=r[12],t.y=r[13],t.z=r[14],Ye.copy(this);const c=1/s,u=1/o,h=1/a;return Ye.elements[0]*=c,Ye.elements[1]*=c,Ye.elements[2]*=c,Ye.elements[4]*=u,Ye.elements[5]*=u,Ye.elements[6]*=u,Ye.elements[8]*=h,Ye.elements[9]*=h,Ye.elements[10]*=h,e.setFromRotationMatrix(Ye),n.x=s,n.y=o,n.z=a,this}makePerspective(t,e,n,r,s,o,a=vn){const l=this.elements,c=2*s/(e-t),u=2*s/(n-r),h=(e+t)/(e-t),d=(n+r)/(n-r);let p,g;if(a===vn)p=-(o+s)/(o-s),g=-2*o*s/(o-s);else if(a===is)p=-o/(o-s),g=-o*s/(o-s);else throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);return l[0]=c,l[4]=0,l[8]=h,l[12]=0,l[1]=0,l[5]=u,l[9]=d,l[13]=0,l[2]=0,l[6]=0,l[10]=p,l[14]=g,l[3]=0,l[7]=0,l[11]=-1,l[15]=0,this}makeOrthographic(t,e,n,r,s,o,a=vn){const l=this.elements,c=1/(e-t),u=1/(n-r),h=1/(o-s),d=(e+t)*c,p=(n+r)*u;let g,v;if(a===vn)g=(o+s)*h,v=-2*h;else if(a===is)g=s*h,v=-1*h;else throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);return l[0]=2*c,l[4]=0,l[8]=0,l[12]=-d,l[1]=0,l[5]=2*u,l[9]=0,l[13]=-p,l[2]=0,l[6]=0,l[10]=v,l[14]=-g,l[3]=0,l[7]=0,l[11]=0,l[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let r=0;r<16;r++)if(e[r]!==n[r])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}const hi=new L,Ye=new oe,$u=new L(0,0,0),Ju=new L(1,1,1),wn=new L,xr=new L,Ue=new L,fo=new oe,po=new ti;class Sn{constructor(t=0,e=0,n=0,r=Sn.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=n,this._order=r}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,r=this._order){return this._x=t,this._y=e,this._z=n,this._order=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const r=t.elements,s=r[0],o=r[4],a=r[8],l=r[1],c=r[5],u=r[9],h=r[2],d=r[6],p=r[10];switch(e){case"XYZ":this._y=Math.asin(me(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-u,p),this._z=Math.atan2(-o,s)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-me(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(a,p),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-h,s),this._z=0);break;case"ZXY":this._x=Math.asin(me(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,p),this._z=Math.atan2(-o,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-me(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,p),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-o,c));break;case"YZX":this._z=Math.asin(me(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-h,s)):(this._x=0,this._y=Math.atan2(a,p));break;case"XZY":this._z=Math.asin(-me(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(a,s)):(this._x=Math.atan2(-u,p),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,n===!0&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return fo.makeRotationFromQuaternion(t),this.setFromRotationMatrix(fo,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return po.setFromEuler(this),this.setFromQuaternion(po,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],t[3]!==void 0&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}Sn.DEFAULT_ORDER="XYZ";class kl{constructor(){this.mask=1}set(t){this.mask=(1<<t|0)>>>0}enable(t){this.mask|=1<<t|0}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t|0}disable(t){this.mask&=~(1<<t|0)}disableAll(){this.mask=0}test(t){return(this.mask&t.mask)!==0}isEnabled(t){return(this.mask&(1<<t|0))!==0}}let Qu=0;const mo=new L,di=new ti,hn=new oe,Sr=new L,Vi=new L,th=new L,eh=new ti,go=new L(1,0,0),_o=new L(0,1,0),vo=new L(0,0,1),xo={type:"added"},nh={type:"removed"},fi={type:"childadded",child:null},bs={type:"childremoved",child:null};class Oe extends ni{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:Qu++}),this.uuid=sn(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Oe.DEFAULT_UP.clone();

5const t=new L,e=new Sn,n=new ti,r=new L(1,1,1);function s(){n.setFromEuler(e,!1)}function o(){e.setFromQuaternion(n,void 0,!1)}e._onChange(s),n._onChange(o),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:r},modelViewMatrix:{value:new oe},normalMatrix:{value:new Vt}}),this.matrix=new oe,this.matrixWorld=new oe,this.matrixAutoUpdate=Oe.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=Oe.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new kl,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return di.setFromAxisAngle(t,e),this.quaternion.multiply(di),this}rotateOnWorldAxis(t,e){return di.setFromAxisAngle(t,e),this.quaternion.premultiply(di),this}rotateX(t){return this.rotateOnAxis(go,t)}rotateY(t){return this.rotateOnAxis(_o,t)}rotateZ(t){return this.rotateOnAxis(vo,t)}translateOnAxis(t,e){return mo.copy(t).applyQuaternion(this.quaternion),this.position.add(mo.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(go,t)}translateY(t){return this.translateOnAxis(_o,t)}translateZ(t){return this.translateOnAxis(vo,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(hn.copy(this.matrixWorld).invert())}lookAt(t,e,n){t.isVector3?Sr.copy(t):Sr.set(t,e,n);const r=this.parent;this.updateWorldMatrix(!0,!1),Vi.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?hn.lookAt(Vi,Sr,this.up):hn.lookAt(Sr,Vi,this.up),this.quaternion.setFromRotationMatrix(hn),r&&(hn.extractRotation(r.matrixWorld),di.setFromRotationMatrix(hn),this.quaternion.premultiply(di.invert()))}add(t){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(t.removeFromParent(),t.parent=this,this.children.push(t),t.dispatchEvent(xo),fi.child=t,this.dispatchEvent(fi),fi.child=null):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let n=0;n<arguments.length;n++)this.remove(arguments[n]);return this}const e=this.children.indexOf(t);return e!==-1&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(nh),bs.child=t,this.dispatchEvent(bs),bs.child=null),this}removeFromParent(){const t=this.parent;return t!==null&&t.remove(this),this}clear(){return this.remove(...this.children)}attach(t){return this.updateWorldMatrix(!0,!1),hn.copy(this.matrixWorld).invert(),t.parent!==null&&(t.parent.updateWorldMatrix(!0,!1),hn.multiply(t.parent.matrixWorld)),t.applyMatrix4(hn),t.removeFromParent(),t.parent=this,this.children.push(t),t.updateWorldMatrix(!1,!0),t.dispatchEvent(xo),fi.child=t,this.dispatchEvent(fi),fi.child=null,this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let n=0,r=this.children.length;n<r;n++){const o=this.children[n].getObjectByProperty(t,e);if(o!==void 0)return o}}getObjectsByProperty(t,e,n=[]){this[t]===e&&n.push(this);const r=this.children;for(let s=0,o=r.length;s<o;s++)r[s].getObjectsByProperty(t,e,n);return n}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Vi,t,th),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Vi,eh,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let n=0,r=e.length;n<r;n++)e[n].traverse(t)}traverseVisible(t){if(this.visible===!1)return;t(this);const e=this.children;for(let n=0,r=e.length;n<r;n++)e[n].traverseVisible(t)}traverseAncestors(t){const e=this.parent;e!==null&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(this.matrixWorldAutoUpdate===!0&&(this.parent===null?this.matrixWorld.copy(this.matrix

5):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let n=0,r=e.length;n<r;n++)e[n].updateMatrixWorld(t)}updateWorldMatrix(t,e){const n=this.parent;if(t===!0&&n!==null&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),this.matrixWorldAutoUpdate===!0&&(this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),e===!0){const r=this.children;for(let s=0,o=r.length;s<o;s++)r[s].updateWorldMatrix(!1,!0)}}toJSON(t){const e=t===void 0||typeof t=="string",n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.6,type:"Object",generator:"Object3D.toJSON"});const r={};r.uuid=this.uuid,r.type=this.type,this.name!==""&&(r.name=this.name),this.castShadow===!0&&(r.castShadow=!0),this.receiveShadow===!0&&(r.receiveShadow=!0),this.visible===!1&&(r.visible=!1),this.frustumCulled===!1&&(r.frustumCulled=!1),this.renderOrder!==0&&(r.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),r.up=this.up.toArray(),this.matrixAutoUpdate===!1&&(r.matrixAutoUpdate=!1),this.isInstancedMesh&&(r.type="InstancedMesh",r.count=this.count,r.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(r.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(r.type="BatchedMesh",r.perObjectFrustumCulled=this.perObjectFrustumCulled,r.sortObjects=this.sortObjects,r.drawRanges=this._drawRanges,r.reservedRanges=this._reservedRanges,r.visibility=this._visibility,r.active=this._active,r.bounds=this._bounds.map(a=>({boxInitialized:a.boxInitialized,boxMin:a.box.min.toArray(),boxMax:a.box.max.toArray(),sphereInitialized:a.sphereInitialized,sphereRadius:a.sphere.radius,sphereCenter:a.sphere.center.toArray()})),r.maxInstanceCount=this._maxInstanceCount,r.maxVertexCount=this._maxVertexCount,r.maxIndexCount=this._maxIndexCount,r.geometryInitialized=this._geometryInitialized,r.geometryCount=this._geometryCount,r.matricesTexture=this._matricesTexture.toJSON(t),this._colorsTexture!==null&&(r.colorsTexture=this._colorsTexture.toJSON(t)),this.boundingSphere!==null&&(r.boundingSphere={center:r.boundingSphere.center.toArray(),radius:r.boundingSphere.radius}),this.boundingBox!==null&&(r.boundingBox={min:r.boundingBox.min.toArray(),max:r.boundingBox.max.toArray()}));function s(a,l){return a[l.uuid]===void 0&&(a[l.uuid]=l.toJSON(t)),l.uuid}if(this.isScene)this.background&&(this.background.isColor?r.background=this.background.toJSON():this.background.isTexture&&(r.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0&&(r.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){r.geometry=s(t.geometries,this.geometry);const a=this.geometry.parameters;if(a!==void 0&&a.shapes!==void 0){const l=a.shapes;if(Array.isArray(l))for(let c=0,u=l.length;c<u;c++){const h=l[c];s(t.shapes,h)}else s(t.shapes,l)}}if(this.isSkinnedMesh&&(r.bindMode=this.bindMode,r.bindMatrix=this.bindMatrix.toArray(),this.skeleton!==void 0&&(s(t.skeletons,this.skeleton),r.skeleton=this.skeleton.uuid)),this.material!==void 0)if(Array.isArray(this.material)){const a=[];for(let l=0,c=this.material.length;l<c;l++)a.push(s(t.materials,this.material[l]));r.material=a}else r.material=s(t.materials,this.material);if(this.children.length>0){r.children=[];for(let a=0;a<this.children.length;a++)r.children.push(this.children[a].toJSON(t).object)}if(this.animations.length>0){r.animations=[];for(let a=0;a<this.animations.length;a++){const l=this.animations[a];r.animations.push(s(t.animations,l))}}if(e){const a=o(t.geometries),l=o(t.materials),c=o(t.textures),u=o(t.images),h=o(t.shapes),d=o(t.skeletons),p=o(t.animations),g=o(t.nodes);a.length>0&&(n.geometries=a),l.length>0&&(n.materials=l),c.length>0&&(n.textures=c),u.length>0&&(n.images=u),h.length>0&&(n.shapes=h),d.length>0&&(n.skeletons=d),p.length>0&&(n.animations=p),g.length>0&&(n.nodes=g)}return n.object=r,n;function o(a){const l=[];for(const c in a){const u=a[c];delete u.metadata,l.push(u)}return l}}clone(t){return new this.constructor().copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),e===!0)for(let n=0;n<t.children.length;n++){const r=t.children[n];this.add(r.clone())}return this}}Oe.DEFAULT_UP=new L(0,1,0);Oe.DEFAULT_MATRIX_AUTO_UPDATE=!0;Oe.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;const Ke=new L,dn=new L,As=new L,fn=new L,pi=new L,mi=new L,So=new L,ws=new L,Rs=new L,Cs=new L;class nn{constructor(t=new L,e=new L,n=new L){this.a=t,this.b=e,this.c=n}static getNormal(t,e,n,r){r.subVectors(n,e),Ke.subVectors(t,e),r.cross(Ke);const s=r.lengthSq();return s>0?r.multiplyScalar(1/Math.sqrt(s)):r.set(0,0,0)}static getBarycoord(t,e,n,r,s){Ke.subVectors(r,e),dn.subVectors(n,e),As.subVectors(t,e);const o=Ke.dot(Ke),a=Ke.dot(dn),l=Ke.dot(As),c=dn.dot(dn),u=dn.dot(As),h=o*c-a*a;if(h===0)return s.set(0,0,0),null;const d=1/h,p=(c*l-a*u)*d,g=(o*u-a*l)*d;return s.set(1-p-g,g,p)}static containsPoint(t,e,n,r){return this.getBarycoord(t,e,n,r,fn)===null?!1:fn.x>=0&&fn.y>=0&&fn.x+fn.y<=1}static getInterpolation(t,e,n,r,s,o,a,l){return this.getBarycoord(t,e,n,r,fn)===null?(l.x=0,l.y=0,"z"in l&&(l.z=0),"w"in l&&(l.w=0),null):(l.setScalar(0),l.addScaledVector(s,fn.x),l.addScaledVector(o,fn.y),l.addScaledVector(a,fn.z),l)}static isFrontFacing(t,e,n,r){return Ke.subVectors(n,e),dn.subVectors(t,e),Ke.cross(dn).dot(r)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,r){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[r]),this}setFromAttributeAndIndices(t,e,n,r){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,r),this}clone(){return new this.constructor().copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Ke.subVectors(this.c,this.b),dn.subVectors(this.a,this.b),Ke.cross(dn).length()*.5}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return nn.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return nn.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,n,r,s){return nn.getInterpolation(t,this.a,this.b,this.c,e,n,r,s)}containsPoint(t){return nn.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return nn.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,r=this.b,s=this.c;let o,a;pi.subVectors(r,n),mi.subVectors(s,n),ws.subVectors(t,n);const l=pi.dot(ws),c=mi.dot(ws);if(l<=0&&c<=0)return e.copy(n);Rs.subVectors(t,r);const u=pi.dot(Rs),h=mi.dot(Rs);if(u>=0&&h<=u)return e.copy(r);const d=l*h-u*c;if(d<=0&&l>=0&&u<=0)return o=l/(l-u),e.copy(n).addScaledVector(pi,o);Cs.subVectors(t,s);const p=pi.dot(Cs),g=mi.dot(Cs);if(g>=0&&p<=g)return e.copy(s);const v=p*c-l*g;if(v<=0&&c>=0&&g<=0)return a=c/(c-g),e.copy(n).addScaledVector(mi,a);const m=u*g-p*h;if(m<=0&&h-u>=0&&p-g>=0)return So.subVectors(s,r),a=(h-u)/(h-u+(p-g)),e.copy(r).addScaledVector(So,a);const f=1/(m+v+d);return o=v*f,a=d*f,e.copy(n).addScaledVector(pi,o).addScaledVector(mi,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const Wl={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Rn={h:0,s:0,l:0},Mr={h:0,s:0,l:0};function Ps(i,t,e){return e<0&&(e+=1),e>1&&(e-=1),e<1/6?i+(t-i)*6*e:e<1/2?t:e<2/3?i+(t-i)*6*(2/3-e):i}class $t{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(e===void 0&&n===void 0){const r=t;r&&r.isColor?this.copy(r):typeof r=="number"?this.setHex(r):typeof r=="string"&&this.setStyle(r)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=en){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(t&255)/255,Kt.toWorkingColorSpace(this,e),this}setRGB(t,e,n,r=Kt.workingColorSpace){return this.r=t,this.g=e,this.b=n,Kt.toWorkingColorSpace(this,r),this}setHSL(t,e,n,r=Kt.workingColorSpace){if(t=Va(t,1),e=me(e,0,1),n=me(n,0,1),e===0)this.r=this.g=this.b=n;else{const s=n<=.5?n*(1+e):n+e-n*e,o=2*n-s;this.r=Ps(o,s,t+1/3),this.g=Ps(o,s,t),this.b=Ps(o,s,t-1/3)}return Kt.toWorkingColorSpace(this,r),this}setStyle(t,e=en){function n(s){s!==void 0&&parseFloat(s)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let r;if(r=/^(\w+)\(([^\)]*)\)/.exec(t)){let s;const o=r[1],a=r[2];switch(o){case"rgb":case"rgba":if(s=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(s[4]),this.setRGB(Math.min(255,parseInt(s[1],10))/255,Math.min(255,parseInt(s[2],10))/255,Math.min(255,parseInt(s[3],10))/255,e);if(s=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(s[4]),this.setRGB(Math.min(100,parseInt(s[1],10))/100,Math.min(100,parseInt(s[2],10))/100,Math.min(100,parseInt(s[3],10))/100,e);break;case"hsl":case"hsla":if(s=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(s[4]),this.setHSL(parseFloat(s[1])/360,parseFloat(s[2])/100,parseFloat(s[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(r=/^\#([A-Fa-f\d]+)$/.exec(t)){const s=r[1],o=s.length;if(o===3)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,e);if(o===6)return this.setHex(parseInt(s,16),e);console.warn("THREE.Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=en){const n=Wl[t.toLowerCase()];return n!==void 0?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Pi(t.r),this.g=Pi(t.g),this.b=Pi(t.b),this}copyLinearToSRGB(t){return this.r=_s(t.r),this.g=_s(t.g),this.b=_s(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=en){return Kt.fromWorkingColorSpace(be.copy(this),t),Math.round(me(be.r*255,0,255))*65536+Math.round(me(be.g*255,0,255))*256+Math.round(me(be.b*255,0,255))}getHexString(t=en){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Kt.workingColorSpace){Kt.fromWorkingColorSpace(be.copy(this),e);const n=be.r,r=be.g,s=be.b,o=Math.max(n,r,s),a=Math.min(n,r,s);let l,c;const u=(a+o)/2;if(a===o)l=0,c=0;else{const h=o-a;switch(c=u<=.5?h/(o+a):h/(2-o-a),o){case n:l=(r-s)/h+(r<s?6:0);break;case r:l=(s-n)/h+2;break;case s:l=(n-r)/h+4;break}l/=6}return t.h=l,t.s=c,t.l=u,t}getRGB(t,e=Kt.workingColorSpace){return Kt.fromWorkingColorSpace(be.copy(this),e),t.r=be.r,t.g=be.g,t.b=be.b,t}getStyle(t=en){Kt.fromWorkingColorSpace(be.copy(this),t);const e=be.r,n=be.g,r=be.b;return t!==en?`color(${t} ${e.toFixed(3)} ${n.toFixed(3)} ${r.toFixed(3)})`:`rgb(${Math.round(e*255)},${Math.round(n*255)},${Math.round(r*255)})`}offsetHSL(t,e,n){return this.getHSL(Rn),this.setHSL(Rn.h+t,Rn.s+e,Rn.l+n)}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,n){return this.r=t.r+(e.r-t.r)*n,this.g=t.g+(e.g-t.g)*n,this.b=t.b+(e.b-t.b)*n,this}lerpHSL(t,e){this.getHSL(Rn),t.getHSL(Mr);const n=Zi(Rn.h,Mr.h,e),r=Zi(Rn.s,Mr.s,e),s=Zi(Rn.l,Mr.l,e);return this.setHSL(n,r,s),this}setFromVector3(t){return this.r=t.x,this.g=t.y,this.b=t.z,this}applyMatrix3(t){const e=this.r,n=this.g,r=this.b,s=t.elements;return this.r=s[0]*e+s[3]*n+s[6]*r,this.g=s[1]*e+s[4]*n+s[7]*r,this.b=s[2]*e+s[5]*n+s[8]*r,this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const be=new $t;$t.NAMES=Wl;let ih=0;class ls extends ni{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:ih++}),this.uuid=sn(),this.name="",this.type="Material",this.blending=wi,this.side=On,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=Zs,this.blendDst=js,this.blendEquation=Yn,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new $t(0,0,0),this.blendAlpha=0,this.depthFunc=Qr,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=so,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=ai,this.stencilZFail=ai,this.stencilZPass=ai,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(t!==void 0)for(const e in t){const n=t[e];if(n===void 0){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const r=this[e];if(r===void 0){console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`);continue}r&&r.isColor?r.set(n):r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[e]=n}}toJSON(t){const e=t===void 0||typeof t=="string";e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};

5n.uuid=this.uuid,n.type=this.type,this.name!==""&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),this.roughness!==void 0&&(n.roughness=this.roughness),this.metalness!==void 0&&(n.metalness=this.metalness),this.sheen!==void 0&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity!==void 0&&this.emissiveIntensity!==1&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(n.shininess=this.shininess),this.clearcoat!==void 0&&(n.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.dispersion!==void 0&&(n.dispersion=this.dispersion),this.iridescence!==void 0&&(n.iridescence=this.iridescence),this.iridescenceIOR!==void 0&&(n.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==void 0&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),this.anisotropy!==void 0&&(n.anisotropy=this.anisotropy),this.anisotropyRotation!==void 0&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,this.combine!==void 0&&(n.combine=this.combine)),this.envMapRotation!==void 0&&(n.envMapRotation=this.envMapRotation.toArray()),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),this.attenuationDistance!==void 0&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(n.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(n.size=this.size),this.shadowSide!==null&&(n.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==wi&&(n.blending=this.blending),this.side!==On&&(n.side=this.side),this.vertexColors===!0&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.transparent===!0&&(n.transparent=!0),this.blendSrc!==Zs&&(n.blendSrc=this.blendSrc),this.blendDst!==js&&(n.blendDst=this.blendDst),this.blendEquation!==Yn&&(n.blendEquation=this.blendEquation),this.blendSrcAlpha!==null&&(n.blendSrcAlpha=this.blendSrcAlpha),this.blendDstAlpha!==null&&(n.blendDstAlpha=this.blendDstAlpha),this.blendEquationAlpha!==null&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),this.blendAlpha!==0&&(n.blendAlpha=this.blendAlpha),this.depthFunc!==Qr&&(n.depthFunc=this.depthFunc),this.depthTest===!1&&(n.depthTest=this.depthTest),this.depthWrite===!1&&(n.depthWrite=this.depthWrite),this.colorWrite===!1&&(n.colorWrite=this.colorWrite),this.stencilWriteMask!==255&&(n.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==so&&(n.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(n.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==ai&&(n.stencilFail=this.stencilFail),this.stencilZFail!==ai&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==ai&&(n.stencilZPass=this.stencilZPass),this.stencilWrite===!0&&(n.stencilWrite=this.stencilWrite),this.rotation!==void 0&&this.rotation!==0&&(n.rotation=this.rotation),this.polygonOffset===!0&&(n.polygonOffset=!0),this.polygonOffsetFactor!==0&&(n.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==void 0&&this.linewidth!==1&&(n.linewidth=this.linewidth),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.dithering===!0&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),this.alphaHash===!0&&(n.alphaHash=!0),this.alphaToCoverage===!0&&(n.alphaToCoverage=!0),this.premultipliedAlpha===!0&&(n.premultipliedAlpha=!0),this.forceSinglePass===!0&&(n.forceSinglePass=!0),this.wireframe===!0&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(n.flatShading=!0),this.visible===!1&&(n.visible=!1),this.toneMapped===!1&&(n.toneMapped=!1),this.fog===!1&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData);function r(s){const o=[];for(const a in s){const l=s[a];delete l.metadata,o.push(l)}return o}if(e){const s=r(t.textures),o=r(t.images);s.length>0&&(n.textures=s),o.length>0&&(n.images=o)}return n}clone(){return new this.constructor().copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(e!==null){const r=e.length;n=new Array(r);for(let s=0;s!==r;++s)n[s]=e[s].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){t===!0&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}onBeforeRender(){console.warn("Material: onBeforeRender() has been removed.")}}class rs extends ls{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new $t(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new Sn,this.combine=bl,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const ue=new L,yr=new ct;class Je{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=t!==void 0?t.length/e:0,this.normalized=n,this.usage=wa,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=_n,this.version=0}onUploadCallback(){}set needsUpdate(t){t===!0&&this.version++}get updateRange(){return Ci("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let r=0,s=this.itemSize;r<s;r++)this.array[t+r]=e.array[n+r];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(this.itemSize===2)for(let e=0,n=this.count;e<n;e++)yr.fromBufferAttribute(this,e),yr.applyMatrix3(t),this.setXY(e,yr.x,yr.y);else if(this.itemSize===3)for(let e=0,n=this.count;e<n;e++)ue.fromBufferAttribute(this,e),ue.applyMatrix3(t),this.setXYZ(e,ue.x,ue.y,ue.z);return this}applyMatrix4(t){for(let e=0,n=this.count;e<n;e++)ue.fromBufferAttribute(this,e),ue.applyMatrix4(t),this.setXYZ(e,ue.x,ue.y,ue.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)ue.fromBufferAttribute(this,e),ue.applyNormalMatrix(t),this.setXYZ(e,ue.x,ue.y,ue.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)ue.fromBufferAttribute(this,e),ue.transformDirection(t),this.setXYZ(e,ue.x,ue.y,ue.z);return this}set(t,e=0){return this.array.set(t,e),this}getComponent(t,e){let n=this.array[t*this.itemSize+e];return this.normalized&&(n=je(n,this.array)),n}setComponent(t,e,n){return this.normalized&&(n=jt(n,this.array)),this.array[t*this.itemSize+e]=n,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=je(e,this.array)),e}setX(t,e){return this.normalized&&(e=jt(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=je(e,this.array)),e}setY(t,e){return this.normalized&&(e=jt(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=je(e,this.array)),e}setZ(t,e){return this.normalized&&(e=jt(e,this.array)),this.array[t*this.itemSize+2]=e,this}getW(t){let e=this.array[t*this.itemSize+3];return this.normalized&&(e=je(e,this.array)),e}setW(t,e){return this.normalized&&(e=jt(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,n){return t*=this.itemSize,this.normalized&&(e=jt(e,this.array),n=jt(n,this.array)),this.array[t+0]=e,this.array[t+1]=n,this}setXYZ(t,e,n,r){return t*=this.itemSize,this.normalized&&(e=jt(e,this.array),n=jt(n,this.array),r=jt(r,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=r,this}setXYZW(t,e,n,r,s){return t*=this.itemSize,this.normalized&&(e=jt(e,this.array),n=jt(n,this.array),r=jt(r,this.array),s=jt(s,this.array)),this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=r,this.array[t+3]=s,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return this.name!==""&&(t.name=this.name),this.usage!==wa&&(t.usage=this.usage),t}}class Xl extends Je{constructor(t,e,n){super(new Uint16Array(t),e,n)}}class ql extends Je{constructor(t,e,n){super(new Uint32Array(t),e,n)}}class We extends Je{constructor(t,e,n){super(new Float32Array(t),e,n)}}let rh=0;const Be=new oe,Ls=new Oe,gi=new L,Ie=new Bn,ki=new Bn,ve=new L;class an extends ni{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:rh++}),this.uuid=sn(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(zl(t)?ql:Xl)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return this.attributes[t]!==void 0}addGroup(t,e,n=0){this.groups.push({start:t,count:e,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;e!==void 0&&(e.applyMatrix4(t),e.needsUpdate=!0);const n=this.attributes.normal;if(n!==void 0){const s=new Vt().getNormalMatrix(t);n.applyNormalMatrix(s),n.needsUpdate=!0}const r=this.attributes.tangent;return r!==void 0&&(r.transformDirection(t),r.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}applyQuaternion(t){return Be.makeRotationFromQuaternion(t),this.applyMatrix4(Be),this}rotateX(t){return Be.makeRotationX(t),this.applyMatrix4(Be),this}rotateY(t){return Be.makeRotationY(t),this.applyMatrix4(Be),this}rotateZ(t){return Be.makeRotationZ(t),this.applyMatrix4(Be),this}translate(t,e,n){return Be.makeTranslation(t,e,n),this.applyMatrix4(Be),this}scale(t,e,n){return Be.makeScale(t,e,n),this.applyMatrix4(Be),this}lookAt(t){return Ls.lookAt(t),Ls.updateMatrix(),this.applyMatrix4(Ls.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(gi).negate(),this.translate(gi.x,gi.y,gi.z),this}setFromPoints(t){const e=[];for(let n=0,r=t.length;n<r;n++){const s=t[n];e.push(s.x,s.y,s.z||0)}return this.setAttribute("position",new We(e,3)),this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new Bn);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute){console.error("THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),this.boundingBox.set(new L(-1/0,-1/0,-1/0),new L(1/0,1/0,1/0));return}if(t!==void 0){if(this.boundingBox.setFromBufferAttribute(t),e)for(let n=0,r=e.length;n<r;n++){const s=e[n];Ie.setFromBufferAttribute(s),this.morphTargetsRelative?(ve.addVectors(this.boundingBox.min,Ie.min),this.boundingBox.expandByPoint(ve),ve.addVectors(this.boundingBox.max,Ie.max),this.boundingBox.expandByPoint(ve)):(this.boundingBox.expandByPoint(Ie.min),this.boundingBox.expandByPoint(Ie.max))}}else this.boundingBox.makeEmpty();(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)}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new sr);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute){console.error("THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),this.boundingSphere.set(new L,1/0);return}if(t){const n=this.boundingSphere.center;if(Ie.setFromBufferAttribute(t),e)for(let s=0,o=e.length;s<o;s++){const a=e[s];ki.setFromBufferAttribute(a),this.morphTargetsRelative?(ve.addVectors(Ie.min,ki.min),Ie.expandByPoint(ve),ve.addVectors(Ie.max,ki.max),Ie.expandByPoint(ve)):(Ie.expandByPoint(ki.min),Ie.expandByPoint(ki.max))}Ie.getCenter(n);let r=0;for(let s=0,o=t.count;s<o;s++)ve.fromBufferAttribute(t,s),r=Math.max(r,n.distanceToSquared(ve));if(e)for(let s=0,o=e.length;s<o;s++){const a=e[s],l=this.morphTargetsRelative;for(let c=0,u=a.count;c<u;c++)ve.fromBufferAttribute(a,c),l&&(gi.fromBufferAttribute(t,c),ve.add(gi)),r=Math.max(r,n.distanceToSquared(ve))}this.boundingSphere.radius=Math.sqrt(r),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(t===null||e.position===void 0||e.normal===void 0||e.uv===void 0){console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");return}const n=e.position,r=e.normal,s=e.uv;this.hasAttribute("tangent")===!1&&this.setAttribute("tangent",new Je(new Float32Array(4*n.count),4));const o=this.getAttribute("tangent"),a=[],l=[];for(let U=0;U<n.count;U++)a[U]=new L,l[U]=new L;const c=new L,u=new L,h=new L,d=new ct,p=new ct,g=new ct,v=new L,m=new L;function f(U,b,M){c.fromBufferAttribute(n,U),u.fromBufferAttribute(n,b),h.fromBufferAttribute(n,M),d.fromBufferAttribute(s,U),p.fromBufferAttribute(s,b),g.fromBufferAttribute(s,M),u.sub(c),h.sub(c),p.sub(d),g.sub(d);const P=1/(p.x*g.y-g.x*p.y);isFinite(P)&&(v.copy(u).multiplyScalar(g.y).addScaledVector(h,-p.y).multiplyScalar(P),m.copy(h).multiplyScalar(p.x).addScaledVector(u,-g.x).multiplyScalar(P),a[U].add(v),a[b].add(v),a[M].add(v),l[U].add(m),l[b].add(m),l[M].add(m))}let A=this.groups;A.length===0&&(A=[{start:0,count:t.count}]);for(let U=0,b=A.length;U<b;++U){const M=A[U],P=M.start,Y=M.count;for(let G=P,N=P+Y;G<N;G+=3)f(t.getX(G+0),t.getX(G+1),t.getX(G+2))}const x=new L,T=new L,O=new L,C=new L;function R(U){O.fromBufferAttribute(r,U),C.copy(O);const b=a[U];x.copy(b),x.sub(O.multiplyScalar(O.dot(b))).normalize(),T.crossVectors(C,b);const P=T.dot(l[U])<0?-1:1;o.setXYZW(U,x.x,x.y,x.z,P)}for(let U=0,b=A.length;U<b;++U){const M=A[U],P=M.start,Y=M.count;for(let G=P,N=P+Y;G<N;G+=3)R(t.getX(G+0)),R(t.getX(G+1)),R(t.getX(G+2))}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(e!==void 0){let n=this.getAttribute("normal");if(n===void 0)n=new Je(new Float32Array(e.count*3),3),this.setAttribute("normal",n);else for(let d=0,p=n.count;d<p;d++)n.setXYZ(d,0,0,0);const r=new L,s=new L,o=new L,a=new L,l=new L,c=new L,u=new L,h=new L;if(t)for(let d=0,p=t.count;d<p;d+=3){const g=t.getX(d+0),v=t.getX(d+1),m=t.getX(d+2);r.fromBufferAttribute(e,g),s.fromBufferAttribute(e,v),o.fromBufferAttribute(e,m),u.subVectors(o,s),h.subVectors(r,s),u.cross(h),a.fromBufferAttribute(n,g),l.fromBufferAttribute(n,v),c.fromBufferAttribute(n,m),a.add(u),l.add(u),c.add(u),n.setXYZ(g,a.x,a.y,a.z),n.setXYZ(v,l.x,l.y,l.z),n.setXYZ(m,c.x,c.y,c.z)}else for(let d=0,p=e.count;d<p;d+=3)r.fromBufferAttribute(e,d+0),s.fromBufferAttribute(e,d+1),o.fromBufferAttribute(e,d+2),u.subVectors(o,s),h.subVectors(r,s),u.cross(h),n.setXYZ(d+0,u.x,u.y,u.z),n.setXYZ(d+1,u.x,u.y,u.z),n.setXYZ(d+2,u.x,u.y,u.z);this.normalizeNormals(),n.needsUpdate=!0}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,n=t.count;e<n;e++)ve.fromBufferAttribute(t,e),ve.normalize(),t.setXYZ(e,ve.x,ve.y,ve.z)}toNonIndexed(){function t(a,l){const c=a.array,u=a.itemSize,h=a.normalized,d=new c.constructor(l.length*u);let p=0,g=0;for(let v=0,m=l.length;v<m;v++){a.isInterleavedBufferAttribute?p=l[v]*a.data.stride+a.offset:p=l[v]*u;for(let f=0;f<u;f++)d[g++]=c[p++]}return new Je(d,u,h)}if(this.index===null)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new an,n=this.index.array,r=this.attributes;for(const a in r){const l=r[a],c=t(l,n);e.setAttribute(a,c)}const s=this.morphAttributes;for(const a in s){const l=[],c=s[a];for(let u=0,h=c.length;u<h;u++){const d=c[u],p=t(d,n);l.push(p)}e.morphAttributes[a]=l}e.morphTargetsRelative=this.morphTargetsRelative;const o=this.groups;for(let a=0,l=o.length;a<l;a++){const c=o[a];e.addGroup(c.start,c.count,c.materialIndex)}return e}toJSON(){const t={metadata:{version:4.6,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,this.name!==""&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),this.parameters!==void 0){const l=this.parameters;for(const c in l)l[c]!==void 0&&(t[c]=l[c]);return t}t.data={attributes:{}};const e=this.index;e!==null&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const l in n){const c=n[l];t.data.attributes[l]=c.toJSON(t.data)}const r={};let s=!1;for(const l in this.morphAttributes){const c=this.morphAttributes[l],u=[];for(let h=0,d=c.length;h<d;h++){const p=c[h];u.push(p.toJSON(t.data))}u.length>0&&(r[l]=u,s=!0)}s&&(t.data.morphAttributes=r,t.data.morphTargetsRelative=this.morphTargetsRelative);const o=this.groups;o.length>0&&(t.data.groups=JSON.parse(JSON.stringify(o)));const a=this.boundingSphere;return a!==null&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return new this.constructor().copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;n!==null&&this.setIndex(n.clone(e));const r=t.attributes;for(const c in r){const u=r[c];this.setAttribute(c,u.clone(e))}const s=t.morphAttributes;for(const c in s){const u=[],h=s[c];for(let d=0,p=h.length;d<p;d++)u.push(h[d].clone(e));this.morphAttributes[c]=u}this.morphTargetsRelative=t.morphTargetsRelative;const o=t.groups;for(let c=0,u=o.length;c<u;c++){const h=o[c];this.addGroup(h.start,h.count,h.materialIndex)}const a=t.boundingBox;a!==null&&(this.boundingBox=a.clone());const l=t.boundingSphere;return l!==null&&(this.boundingSphere=l.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}const Mo=new oe,Vn=new Vl,Er=new sr,yo=new L,_i=new L,vi=new L,xi=new L,Ds=new L,Tr=new L,br=new ct,Ar=new ct,wr=new ct,Eo=new L,To=new L,bo=new L,Rr=new L,Cr=new L;class ke extends Oe{constructor(t=new an,e=new rs){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),t.morphTargetInfluences!==void 0&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),t.morphTargetDictionary!==void 0&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){const e=this.geometry.morphAttributes,n=Object.keys(e);if(n.length>0){const r=e[n[0]];if(r!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,o=r.length;s<o;s++){const a=r[s].name||String(s);this.morphTargetInfluences.push(0),this.morphTargetDictionary[a]=s}}}}getVertexPosition(t,e){const n=this.geometry,r=n.attributes.position,s=n.morphAttributes.position,o=n.morphTargetsRelative;e.fromBufferAttribute(r,t);const a=this.morphTargetInfluences;if(s&&a){Tr.set(0,0,0);for(let l=0,c=s.length;l<c;l++){const u=a[l],h=s[l];u!==0&&(Ds.fromBufferAttribute(h,t),o?Tr.addScaledVector(Ds,u):Tr.addScaledVector(Ds.sub(e),u))}e.add(Tr)}return e}raycast(t,e){const n=this.geometry,r=this.material,s=this.matrixWorld;r!==void 0&&(n.boundingSphere===null&&n.computeBoundingSphere(),Er.copy(n.boundingSphere),Er.applyMatrix4(s),Vn.copy(t.ray).recast(t.near),!(Er.containsPoint(Vn.origin)===!1&&(Vn.intersectSphere(Er,yo)===null||Vn.origin.distanceToSquared(yo)>(t.far-t.near)**2))&&(Mo.copy(s).invert(),Vn.copy(t.ray).applyMatrix4(Mo),!(n.boundingBox!==null&&Vn.intersectsBox(n.boundingBox)===!1)&&this._computeIntersections(t,e,Vn)))}_computeIntersections(t,e,n){let r;const s=this.geometry,o=this.material,a=s.index,l=s.attributes.position,c=s.attributes.uv,u=s.attributes.uv1,h=s.attributes.normal,d=s.groups,p=s.drawRange;if(a!==null)if(Array.isArray(o))for(let g=0,v=d.length;g<v;g++){const m=d[g],f=o[m.materialIndex],A=Math.max(m.start,p.start),x=Math.min(a.count,Math.min(m.start+m.count,p.start+p.count));for(let T=A,O=x;T<O;T+=3){const C=a.getX(T),R=a.getX(T+1),U=a.getX(T+2);r=Pr(this,f,t,n,c,u,h,C,R,U),r&&(r.faceIndex=Math.floor(T/3),r.face.materialIndex=m.materialIndex,e.push(r))}}else{const g=Math.max(0,p.start),v=Math.min(a.count,p.start+p.count);for(let m=g,f=v;m<f;m+=3){const A=a.getX(m),x=a.getX(m+1),T=a.getX(m+2);r=Pr(this,o,t,n,c,u,h,A,x,T),r&&(r.faceIndex=Math.floor(m/3),e.push(r))}}else if(l!==void 0)if(Array.isArray(o))for(let g=0,v=d.length;g<v;g++){const m=d[g],f=o[m.materialIndex],A=Math.max(m.start,p.start),x=Math.min(l.count,Math.min(m.start+m.count,p.start+p.count));for(let T=A,O=x;T<O;T+=3){const C=T,R=T+1,U=T+2;r=Pr(this,f,t,n,c,u,h,C,R,U),r&&(r.faceIndex=Math.floor(T/3),r.face.materialIndex=m.materialIndex,e.push(r))}}else{const g=Math.max(0,p.start),v=Math.min(l.count,p.start+p.count);for(let m=g,f=v;m<f;m+=3){const A=m,x=m+1,T=m+2;r=Pr(this,o,t,n,c,u,h,A,x,T),r&&(r.faceIndex=Math.floor(m/3),e.push(r))}}}}function sh(i,t,e,n,r,s,o,a){let l;if(t.side===Pe?l=n.intersectTriangle(o,s,r,!0,a):l=n.intersectTriangle(r,s,o,t.side===On,a),l===null)return null;Cr.copy(a),Cr.applyMatrix4(i.matrixWorld);const c=e.ray.origin.distanceTo(Cr);return c<e.near||c>e.far?null:{distance:c,point:Cr.clone(),object:i}}function Pr(i,t,e,n,r,s,o,a,l,c){i.getVertexPosition(a,_i),i.getVertexPosition(l,vi),i.getVertexPosition(c,xi);const u=sh(i,t,e,n,_i,vi,xi,Rr);if(u){r&&(br.fromBufferAttribute(r,a),Ar.fromBufferAttribute(r,l),wr.fromBufferAttribute(r,c),u.uv=nn.getInterpolation(Rr,_i,vi,xi,br,Ar,wr,new ct)),s&&(br.fromBufferAttribute(s,a),Ar.fromBufferAttribute(s,l),wr.fromBufferAttribute(s,c),u.uv1=nn.getInterpolation(Rr,_i,vi,xi,br,Ar,wr,new ct)),o&&(Eo.fromBufferAttribute(o,a),To.fromBufferAttribute(o,l),bo.fromBufferAttribute(o,c),u.normal=nn.getInterpolation(Rr,_i,vi,xi,Eo,To,bo,new L),u.normal.dot(n.direction)>0&&u.normal.multiplyScalar(-1));const h={a,b:l,c,normal:new L,materialIndex:0};nn.getNormal(_i,vi,xi,h.normal),u.face=h}return u}class ar extends an{constructor(t=1,e=1,n=1,r=1,s=1,o=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:r,heightSegments:s,depthSegments:o};const a=this;r=Math.floor(r),s=Math.floor(s),o=Math.floor(o);const l=[],c=[],u=[],h=[];let d=0,p=0;g("z","y","x",-1,-1,n,e,t,o,s,0),g("z","y","x",1,-1,n,e,-t,o,s,1),g("x","z","y",1,1,t,n,e,r,o,2),g("x","z","y",1,-1,t,n,-e,r,o,3),g("x","y","z",1,-1,t,e,n,r,s,4),g("x","y","z",-1,-1,t,e,-n,r,s,5),this.setIndex(l),this.setAttribute("position",new We(c,3)),this.setAttribute("normal",new We(u,3)),this.setAttribute("uv",new We(h,2));function g(v,m,f,A,x,T,O,C,R,U,b){const M=T/R,P=O/U,Y=T/2,G=O/2,N=C/2,K=R+1,k=U+1;let J=0,W=0;const ot=new L;for(let et=0;et<k;et++){const mt=et*P-G;for(let At=0;At<K;At++){const Pt=At*M-Y;ot[v]=Pt*A,ot[m]=mt*x,ot[f]=N,c.push(ot.x,ot.y,ot.z),ot[v]=0,ot[m]=0,ot[f]=C>0?1:-1,u.push(ot.x,ot.y,ot.z),h.push(At/R),h.push(1-et/U),J+=1}}for(let et=0;et<U;et++)for(let mt=0;mt<R;mt++){const At=d+mt+K*et,Pt=d+mt+K*(et+1),q=d+(mt+1)+K*(et+1),nt=d+(mt+1)+K*et;l.push(At,Pt,nt),l.push(Pt,q,nt),W+=6}a.addGroup(p,W,b),p+=W,d+=J}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new ar(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}function Oi(i){const t={};for(const e in i){t[e]={};for(const n in i[e]){const r=i[e][n];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?r.isRenderTargetTexture?(console.warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),t[e][n]=null):t[e][n]=r.clone():Array.isArray(r)?t[e][n]=r.slice():t[e][n]=r}}return t}function we(i){const t={};for(let e=0;e<i.length;e++){const n=Oi(i[e]);for(const r in n)t[r]=n[r]}return t}function ah(i){const t=[];for(let e=0;e<i.length;e++)t.push(i[e].clone());return t}function Yl(i){const t=i.getRenderTarget();return t===null?i.outputColorSpace:t.isXRRenderTarget===!0?t.texture.colorSpace:Kt.workingColorSpace}const ka={clone:Oi,merge:we};var oh=`void main() {
6	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
7}`,lh=`void main() {
8	gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );
9}`;class Mn extends ls{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=oh,this.fragmentShader=lh,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,t!==void 0&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=Oi(t.uniforms),this.uniformsGroups=ah(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const r in this.uniforms){const o=this.uniforms[r].value;o&&o.isTexture?e.uniforms[r]={type:"t",value:o.toJSON(t).uuid}:o&&o.isColor?e.uniforms[r]={type:"c",value:o.getHex()}:o&&o.isVector2?e.uniforms[r]={type:"v2",value:o.toArray()}:o&&o.isVector3?e.uniforms[r]={type:"v3",value:o.toArray()}:o&&o.isVector4?e.uniforms[r]={type:"v4",value:o.toArray()}:o&&o.isMatrix3?e.uniforms[r]={type:"m3",value:o.toArray()}:o&&o.isMatrix4?e.uniforms[r]={type:"m4",value:o.toArray()}:e.uniforms[r]={value:o}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const r in this.extensions)this.extensions[r]===!0&&(n[r]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class Kl extends Oe{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new oe,this.projectionMatrix=new oe,this.projectionMatrixInverse=new oe,this.coordinateSystem=vn}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}}const Cn=new L,Ao=new ct,wo=new ct;class ze extends Kl{constructor(t=50,e=1,n=.1,r=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=r,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=t.view===null?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=Qi*2*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(Ki*.5*this.fov);return .5*this.getFilmHeight()/t}getEffectiveFOV(){return Qi*2*Math.atan(Math.tan(Ki*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,n){Cn.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Cn.x,Cn.y).multiplyScalar(-t/Cn.z),Cn.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(Cn.x,Cn.y).multiplyScalar(-t/Cn.z)}getViewSize(t,e){return this.getViewBounds(t,Ao,wo),e.subVectors(wo,Ao)}setViewOffset(t,e,n,r,s,o){this.aspect=t/e,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=r,this.view.width=s,this.view.height=o,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(Ki*.5*this.fov)/this.zoom,n=2*e,r=this.aspect*n,s=-.5*r;const o=this.view;if(this.view!==null&&this.view.enabled){const l=o.fullWidth,c=o.fullHeight;s+=o.offsetX*r/l,e-=o.offsetY*n/c,r*=o.width/l,n*=o.height/c}const a=this.filmOffset;a!==0&&(s+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+r,e,e-n,t,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,this.view!==null&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const Si=-90,Mi=1;class ch extends Oe{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const r=new ze(Si,Mi,t,e);r.layers=this.layers,this.add(r);const s=new ze(Si,Mi,t,e);s.layers=this.layers,this.add(s);const o=new ze(Si,Mi,t,e);o.layers=this.layers,this.add(o);const a=new ze(Si,Mi,t,e);a.layers=this.layers,this.add(a);const l=new ze(Si,Mi,t,e);l.layers=this.layers,this.add(l);const c=new ze(Si,Mi,t,e);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,r,s,o,a,l]=e;for(const c of e)this.remove(c);if(t===vn)n.up.set(0,1,0),n.lookAt(1,0,0),r.up.set(0,1,0),r.lookAt(-1,0,0),s.up.set(0,0,-1),s.lookAt(0,1,0),o.up.set(0,0,1),o.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),l.up.set(0,1,0),l.lookAt(0,0,-1);else if(t===is)n.up.set(0,-1,0),n.lookAt(-1,0,0),r.up.set(0,-1,0),r.lookAt(1,0,0),s.up.set(0,0,1),s.lookAt(0,1,0),o.up.set(0,0,-1),o.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),l.up.set(0,-1,0),l.lookAt(0,0,-1);else throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);for(const c of e)this.add(c),c.updateMatrixWorld()}update(t,e){this.parent===null&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:r}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[s,o,a,l,c,u]=this.children,h=t.getRenderTarget(),d=t.getActiveCubeFace(),p=t.getActiveMipmapLevel(),g=t.xr.enabled;t.xr.enabled=!1;const v=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,r),t.render(e,s),t.setRenderTarget(n,1,r),t.render(e,o),t.setRenderTarget(n,2,r),t.render(e,a),t.setRenderTarget(n,3,r),t.render(e,l),t.setRenderTarget(n,4,r),t.render(e,c),n.texture.generateMipmaps=v,t.setRenderTarget(n,5,r),t.render(e,u),t.setRenderTarget(h,d,p),t.xr.enabled=g,n.texture.needsPMREMUpdate=!0}}class Zl extends Re{constructor(t,e,n,r,s,o,a,l,c,u){t=t!==void 0?t:[],e=e!==void 0?e:Di,super(t,e,n,r,s,o,a,l,c,u),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class uh extends Qn{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},r=[n,n,n,n,n,n];this.texture=new Zl(r,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=e.generateMipmaps!==void 0?e.generateMipmaps:!1,this.texture.minFilter=e.minFilter!==void 0?e.minFilter:Ze}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:`
10
11				varying vec3 vWorldDirection;
12
13				vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
14
15					return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
16
17				}
18
19				void main() {
20
21					vWorldDirection = transformDirection( position, modelMatrix );
22
23					#include <begin_vertex>
24					#include <project_vertex>
25
26				}
27			`,fragmentShader:`
28
29				uniform sampler2D tEquirect;
30
31				varying vec3 vWorldDirection;
32
33				#include <common>
34
35				void main() {
36
37					vec3 direction = normalize( vWorldDirection );
38
39					vec2 sampleUV = equirectUv( direction );
40
41					gl_FragColor = texture2D( tEquirect, sampleUV );
42
43				}
44			`},r=new ar(5,5,5),s=new Mn({name:"CubemapFromEquirect",uniforms:Oi(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:Pe,blending:In});s.uniforms.tEquirect.value=e;const o=new ke(r,s),a=e.minFilter;return e.minFilter===jn&&(e.minFilter=Ze),new ch(1,10,this).update(t,o),e.minFilter=a,o.geometry.dispose(),o.material.dispose(),this}clear(t,e,n,r){const s=t.getRenderTarget();for(let o=0;o<6;o++)t.setRenderTarget(this,o),t.clear(e,n,r);t.setRenderTarget(s)}}const Us=new L,hh=new L,dh=new Vt;class Pn{constructor(t=new L(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,r){return this.normal.set(t,e,n),this.constant=r,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const r=Us.subVectors(n,e).cross(hh.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(r,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(Us),r=this.normal.dot(n);if(r===0)return this.distanceToPoint(t.start)===0?e.copy(t.start):null;const s=-(t.start.dot(this.normal)+this.constant)/r;return s<0||s>1?null:e.copy(t.start).addScaledVector(n,s)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||dh.getNormalMatrix(t),r=this.coplanarPoint(Us).applyMatrix4(t),s=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(s),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return new this.constructor().copy(this)}}const kn=new sr,Lr=new L;class jl{constructor(t=new Pn,e=new Pn,n=new Pn,r=new Pn,s=new Pn,o=new Pn){this.planes=[t,e,n,r,s,o]}set(t,e,n,r,s,o){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(r),a[4].copy(s),a[5].copy(o),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=vn){const n=this.planes,r=t.elements,s=r[0],o=r[1],a=r[2],l=r[3],c=r[4],u=r[5],h=r[6],d=r[7],p=r[8],g=r[9],v=r[10],m=r[11],f=r[12],A=r[13],x=r[14],T=r[15];if(n[0].setComponents(l-s,d-c,m-p,T-f).normalize(),n[1].setComponents(l+s,d+c,m+p,T+f).normalize(),n[2].setComponents(l+o,d+u,m+g,T+A).normalize(),n[3].setComponents(l-o,d-u,m-g,T-A).normalize(),n[4].setComponents(l-a,d-h,m-v,T-x).normalize(),e===vn)n[5].setComponents(l+a,d+h,m+v,T+x).normalize();else if(e===is)n[5].setComponents(a,h,v,x).normalize();else throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);return this}intersectsObject(t){if(t.boundingSphere!==void 0)t.boundingSphere===null&&t.computeBoundingSphere(),kn.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;e.boundingSphere===null&&e.computeBoundingSphere(),kn.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(kn)}intersectsSprite(t){return kn.center.set(0,0,0),kn.radius=.7071067811865476,kn.applyMatrix4(t.matrixWorld),this.intersectsSphere(kn)}intersectsSphere(t){const e=this.planes,n=t.center,r=-t.radius;for(let s=0;s<6;s++)if(e[s].distanceToPoint(n)<r)return!1;return!0}intersectsBox(t){const e=this.planes;for(let n=0;n<6;n++){const r=e[n];if(Lr.x=r.normal.x>0?t.max.x:t.min.x,Lr.y=r.normal.y>0?t.max.y:t.min.y,Lr.z=r.normal.z>0?t.max.z:t.min.z,r.distanceToPoint(Lr)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}}function $l(){let i=null,t=!1,e=null,n=null;function r(s,o){e(s,o),n=i.requestAnimationFrame(r)}return{start:function(){t!==!0&&e!==null&&(n=i.requestAnimationFrame(r),t=!0)},stop:function(){i.cancelAnimationFrame(n),t=!1},setAnimationLoop:function(s){e=s},setContext:function(s){i=s}}}function fh(i){const t=new WeakMap;function e(a,l){const c=a.array,u=a.usage,h=c.byteLength,d=i.createBuffer();i.bindBuffer(l,d),i.bufferData(l,c,u),a.onUploadCallback();let p;if(c instanceof Float32Array)p=i.FLOAT;else if(c instanceof Uint16Array)a.isFloat16BufferAttribute?p=i.HALF_FLOAT:p=i.UNSIGNED_SHORT;else if(c instanceof Int16Array)p=i.SHORT;else if(c instanceof Uint32Array)p=i.UNSIGNED_INT;else if(c instanceof Int32Array)p=i.INT;else if(c instanceof Int8Array)p=i.BYTE;else if(c instanceof Uint8Array)p=i.UNSIGNED_BYTE;else if(c instanceof Uint8ClampedArray)p=i.UNSIGNED_BYTE;else throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+c);return{buffer:d,type:p,bytesPerElement:c.BYTES_PER_ELEMENT,version:a.version,size:h}}function n(a,l,c){const u=l.array,h=l._updateRange,d=l.updateRanges;if(i.bindBuffer(c,a),h.count===-1&&d.length===0&&i.bufferSubData(c,0,u),d.length!==0){for(let p=0,g=d.length;p<g;p++){const v=d[p];i.bufferSubData(c,v.start*u.BYTES_PER_ELEMENT,u,v.start,v.count)}l.clearUpdateRanges()}h.count!==-1&&(i.bufferSubData(c,h.offset*u.BYTES_PER_ELEMENT,u,h.offset,h.count),h.count=-1),l.onUploadCallback()}function r(a){return a.isInterleavedBufferAttribute&&(a=a.data),t.get(a)}function s(a){a.isInterleavedBufferAttribute&&(a=a.data);const l=t.get(a);l&&(i.deleteBuffer(l.buffer),t.delete(a))}function o(a,l){if(a.isInterleavedBufferAttribute&&(a=a.data),a.isGLBufferAttribute){const u=t.get(a);(!u||u.version<a.version)&&t.set(a,{buffer:a.buffer,type:a.type,bytesPerElement:a.elementSize,version:a.version});return}const c=t.get(a);if(c===void 0)t.set(a,e(a,l));else if(c.version<a.version){if(c.size!==a.array.byteLength)throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.");n(c.buffer,a,l),c.version=a.version}}return{get:r,remove:s,update:o}}class or extends an{constructor(t=1,e=1,n=1,r=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:n,heightSegments:r};const s=t/2,o=e/2,a=Math.floor(n),l=Math.floor(r),c=a+1,u=l+1,h=t/a,d=e/l,p=[],g=[],v=[],m=[];for(let f=0;f<u;f++){const A=f*d-o;for(let x=0;x<c;x++){const T=x*h-s;g.push(T,-A,0),v.push(0,0,1),m.push(x/a),m.push(1-f/l)}}for(let f=0;f<l;f++)for(let A=0;A<a;A++){const x=A+c*f,T=A+c*(f+1),O=A+1+c*(f+1),C=A+1+c*f;p.push(x,T,C),p.push(T,O,C)}this.setIndex(p),this.setAttribute("position",new We(g,3)),this.setAttribute("normal",new We(v,3)),this.setAttribute("uv",new We(m,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new or(t.width,t.height,t.widthSegments,t.heightSegments)}}var ph=`#ifdef USE_ALPHAHASH
45	if ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;
46#endif`,mh=`#ifdef USE_ALPHAHASH
47	const float ALPHA_HASH_SCALE = 0.05;
48	float hash2D( vec2 value ) {
49		return fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );
50	}
51	float hash3D( vec3 value ) {
52		return hash2D( vec2( hash2D( value.xy ), value.z ) );
53	}
54	float getAlphaHashThreshold( vec3 position ) {
55		float maxDeriv = max(
56			length( dFdx( position.xyz ) ),
57			length( dFdy( position.xyz ) )
58		);
59		float pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );
60		vec2 pixScales = vec2(
61			exp2( floor( log2( pixScale ) ) ),
62			exp2( ceil( log2( pixScale ) ) )
63		);
64		vec2 alpha = vec2(
65			hash3D( floor( pixScales.x * position.xyz ) ),
66			hash3D( floor( pixScales.y * position.xyz ) )
67		);
68		float lerpFactor = fract( log2( pixScale ) );
69		float x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;
70		float a = min( lerpFactor, 1.0 - lerpFactor );
71		vec3 cases = vec3(
72			x * x / ( 2.0 * a * ( 1.0 - a ) ),
73			( x - 0.5 * a ) / ( 1.0 - a ),
74			1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )
75		);
76		float threshold = ( x < ( 1.0 - a ) )
77			? ( ( x < a ) ? cases.x : cases.y )
78			: cases.z;
79		return clamp( threshold , 1.0e-6, 1.0 );
80	}
81#endif`,gh=`#ifdef USE_ALPHAMAP
82	diffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;
83#endif`,_h=`#ifdef USE_ALPHAMAP
84	uniform sampler2D alphaMap;
85#endif`,vh=`#ifdef USE_ALPHATEST
86	#ifdef ALPHA_TO_COVERAGE
87	diffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );
88	if ( diffuseColor.a == 0.0 ) discard;
89	#else
90	if ( diffuseColor.a < alphaTest ) discard;
91	#endif
92#endif`,xh=`#ifdef USE_ALPHATEST
93	uniform float alphaTest;
94#endif`,Sh=`#ifdef USE_AOMAP
95	float ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;
96	reflectedLight.indirectDiffuse *= ambientOcclusion;
97	#if defined( USE_CLEARCOAT ) 
98		clearcoatSpecularIndirect *= ambientOcclusion;
99	#endif
100	#if defined( USE_SHEEN ) 
101		sheenSpecularIndirect *= ambientOcclusion;
102	#endif
103	#if defined( USE_ENVMAP ) && defined( STANDARD )

956=`struct PhysicalMaterial {
957	vec3 diffuseColor;
958	float roughness;
959	vec3 specularColor;
960	float specularF90;
961	float dispersion;
962	#ifdef USE_CLEARCOAT
963		float clearcoat;
964		float clearcoatRoughness;
965		vec3 clearcoatF0;
966		float clearcoatF90;
967	#endif
968	#ifdef USE_IRIDESCENCE
969		float iridescence;
970		float iridescenceIOR;
971		float iridescenceThickness;
972		vec3 iridescenceFresnel;
973		vec3 iridescenceF0;
974	#endif
975	#ifdef USE_SHEEN
976		vec3 sheenColor;
977		float sheenRoughness;
978	#endif
979	#ifdef IOR
980		float ior;
981	#endif
982	#ifdef USE_TRANSMISSION
983		float transmission;
984		float transmissionAlpha;
985		float thickness;
986		float attenuationDistance;
987		vec3 attenuationColor;
988	#endif
989	#ifdef USE_ANISOTROPY
990		float anisotropy;
991		float alphaT;
992		vec3 anisotropyT;
993		vec3 anisotropyB;
994	#endif
995};
996vec3 clearcoatSpecularDirect = vec3( 0.0 );
997vec3 clearcoatSpecularIndirect = vec3( 0.0 );
998vec3 sheenSpecularDirect = vec3( 0.0 );
999vec3 sheenSpecularIndirect = vec3(0.0 );
1000vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {
1001    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );
1002    float x2 = x * x;
1003    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );
1004    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );
1005}
1006float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {
1007	float a2 = pow2( alpha );
1008	float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );
1009	float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );
1010	return 0.5 / max( gv + gl, EPSILON );
1011}
1012float D_GGX( const in float alpha, const in float dotNH ) {
1013	float a2 = pow2( alpha );
1014	float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;
1015	return RECIPROCAL_PI * a2 / pow2( denom );
1016}
1017#ifdef USE_ANISOTROPY
1018	float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {
1019		float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );
1020		float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );
1021		float v = 0.5 / ( gv + gl );
1022		return saturate(v);
1023	}
1024	float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {
1025		float a2 = alphaT * alphaB;
1026		highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );
1027		highp float v2 = dot( v, v );
1028		float w2 = a2 / v2;
1029		return RECIPROCAL_PI * a2 * pow2 ( w2 );
1030	}
1031#endif
1032#ifdef USE_CLEARCOAT
1033	vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {
1034		vec3 f0 = material.clearcoatF0;
1035		float f90 = material.clearcoatF90;
1036		float roughness = material.clearcoatRoughness;
1037		float alpha = pow2( roughness );
1038		vec3 halfDir = normalize( lightDir + viewDir );
1039		float dotNL = saturate( dot( normal, lightDir ) );
1040		float dotNV = saturate( dot( normal, viewDir ) );
1041		float dotNH = saturate( dot( normal, halfDir ) );
1042		float dotVH = saturate( dot( viewDir, halfDir ) );
1043		vec3 F = F_Schlick( f0, f90, dotVH );
1044		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
1045		float D = D_GGX( alpha, dotNH );
1046		return F * ( V * D );
1047	}
1048#endif
1049vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {
1050	vec3 f0 = material.specularColor;
1051	float f90 = material.specularF90;
1052	float roughness = material.roughness;
1053	float alpha = pow2( roughness );
1054	vec3 halfDir = normalize( lightDir + viewDir );
1055	float dotNL = saturate( dot( normal, lightDir ) );
1056	float dotNV = saturate( dot( normal, viewDir ) );
1057	float dotNH = saturate( dot( normal, halfDir ) );
1058	float dotVH = saturate( dot( viewDir, halfDir ) );
1059	vec3 F = F_Schlick( f0, f90, dotVH );
1060	#ifdef USE_IRIDESCENCE
1061		F = mix( F, material.iridescenceFresnel, material.iridescence );
1062	#endif
1063	#ifdef USE_ANISOTROPY
1064		float dotTL = dot( material.anisotropyT, lightDir );
1065		float dotTV = dot( material.anisotropyT, viewDir );
1066		float dotTH = dot( material.anisotropyT, halfDir );
1067		float dotBL = dot( material.anisotropyB, lightDir );
1068		float dotBV = dot( material.anisotropyB, viewDir );
1069		float dotBH = dot( material.anisotropyB, halfDir );
1070		float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );
1071		float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );
1072	#else
1073		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
1074		float D = D_GGX( alpha, dotNH );
1075	#endif
1076	return F * ( V * D );
1077}
1078vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
1079	const float LUT_SIZE = 64.0;
1080	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
1081	const float LUT_BIAS = 0.5 / LUT_SIZE;
1082	float dotNV = saturate( dot( N, V ) );
1083	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
1084	uv = uv * LUT_SCALE + LUT_BIAS;
1085	return uv;
1086}
1087float LTC_ClippedSphereFormFactor( const in vec3 f ) {
1088	float l = length( f );
1089	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
1090}
1091vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
1092	float x = dot( v1, v2 );
1093	float y = abs( x );
1094	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
1095	float b = 3.4175940 + ( 4.1616724 + y ) * y;
1096	float v = a / b;
1097	float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;
1098	return cross( v1, v2 ) * theta_sintheta;
1099}
1100vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {
1101	vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];
1102	vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];
1103	vec3 lightNormal = cross( v1, v2 );
1104	if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );
1105	vec3 T1, T2;
1106	T1 = normalize( V - N * dot( V, N ) );
1107	T2 = - cross( N, T1 );
1108	mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );
1109	vec3 coords[ 4 ];
1110	coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );
1111	coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );
1112	coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );
1113	coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );
1114	coords[ 0 ] = normalize( coords[ 0 ] );
1115	coords[ 1 ] = normalize( coords[ 1 ] );
1116	coords[ 2 ] = normalize( coords[ 2 ] );
1117	coords[ 3 ] = normalize( coords[ 3 ] );
1118	vec3 vectorFormFactor = vec3( 0.0 );
1119	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );
1120	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );
1121	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );
1122	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );
1123	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );
1124	return vec3( result );
1125}
1126#if defined( USE_SHEEN )
1127float D_Charlie( float roughness, float dotNH ) {
1128	float alpha = pow2( roughness );
1129	float invAlpha = 1.0 / alpha;
1130	float cos2h = dotNH * dotNH;
1131	float sin2h = max( 1.0 - cos2h, 0.0078125 );
1132	return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );
1133}
1134float V_Neubelt( float dotNV, float dotNL ) {
1135	return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );
1136}
1137vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {
1138	vec3 halfDir = normalize( lightDir + viewDir );
1139	float dotNL = saturate( dot( normal, lightDir ) );
1140	float dotNV = saturate( dot( normal, viewDir ) );
1141	float dotNH = saturate( dot( normal, halfDir ) );
1142	float D = D_Charlie( sheenRoughness, dotNH );
1143	float V = V_Neubelt( dotNV, dotNL );
1144	return sheenColor * ( D * V );
1145}
1146#endif
1147float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
1148	float dotNV = saturate( dot( normal, viewDir ) );
1149	float r2 = roughness * roughness;
1150	float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;
1151	float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;
1152	float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );
1153	return saturate( DG * RECIPROCAL_PI );
1154}
1155vec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
1156	float dotNV = saturate( dot( normal, viewDir ) );
1157	const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );
1158	const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );
1159	vec4 r = roughness * c0 + c1;
1160	float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;
1161	vec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;
1162	return fab;
1163}
1164vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {
1165	vec2 fab = DFGApprox( normal, viewDir, roughness );
1166	return specularColor * fab.x + specularF90 * fab.y;
1167}
1168#ifdef USE_IRIDESCENCE
1169void 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 ) {
1170#else
1171void 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 ) {
1172#endif
1173	vec2 fab = DFGApprox( normal, viewDir, roughness );
1174	#ifdef USE_IRIDESCENCE
1175		vec3 Fr = mix( specularColor, iridescenceF0, iridescence );
1176	#else
1177		vec3 Fr = specularColor;
1178	#endif
1179	vec3 FssEss = Fr * fab.x + specularF90 * fab.y;
1180	float Ess = fab.x + fab.y;
1181	float Ems = 1.0 - Ess;
1182	vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;	vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );
1183	singleScatter += FssEss;
1184	multiScatter += Fms * Ems;
1185}
1186#if NUM_RECT_AREA_LIGHTS > 0
1187	void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1188		vec3 normal = geometryNormal;
1189		vec3 viewDir = geometryViewDir;
1190		vec3 position = geometryPosition;
1191		vec3 lightPos = rectAreaLight.position;
1192		vec3 halfWidth = rectAreaLight.halfWidth;
1193		vec3 halfHeight = rectAreaLight.halfHeight;
1194		vec3 lightColor = rectAreaLight.color;
1195		float roughness = material.roughness;
1196		vec3 rectCoords[ 4 ];
1197		rectCoords[ 0 ] = lightPos + halfWidth - halfHeight;		rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;
1198		rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;
1199		rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;
1200		vec2 uv = LTC_Uv( normal, viewDir, roughness );
1201		vec4 t1 = texture2D( ltc_1, uv );
1202		vec4 t2 = texture2D( ltc_2, uv );
1203		mat3 mInv = mat3(
1204			vec3( t1.x, 0, t1.y ),
1205			vec3(    0, 1,    0 ),
1206			vec3( t1.z, 0, t1.w )
1207		);
1208		vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );
1209		reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );
1210		reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );
1211	}
1212#endif
1213void RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1214	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
1215	vec3 irradiance = dotNL * directLight.color;
1216	#ifdef USE_CLEARCOAT
1217		float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );
1218		vec3 ccIrradiance = dotNLcc * directLight.color;
1219		clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );
1220	#endif
1221	#ifdef USE_SHEEN
1222		sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );
1223	#endif
1224	reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );
1225	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1226}
1227void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1228	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1229}
1230void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {
1231	#ifdef USE_CLEARCOAT
1232		clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
1233	#endif
1234	#ifdef USE_SHEEN
1235		sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1236	#endif
1237	vec3 singleScattering = vec3( 0.0 );
1238	vec3 multiScattering = vec3( 0.0 );
1239	vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;
1240	#ifdef USE_IRIDESCENCE
1241		computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );
1242	#else
1243		computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );
1244	#endif
1245	vec3 totalScattering = singleScattering + multiScattering;
1246	vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );
1247	reflectedLight.indirectSpecular += radiance * singleScattering;
1248	reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;
1249	reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;
1250}
1251#define RE_Direct				RE_Direct_Physical
1252#define RE_Direct_RectArea		RE_Direct_RectArea_Physical
1253#define RE_IndirectDiffuse		RE_IndirectDiffuse_Physical
1254#define RE_IndirectSpecular		RE_IndirectSpecular_Physical
1255float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {
1256	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );
1257}`,

1702`#if NUM_SPOT_LIGHT_COORDS > 0
1703	varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];
1704#endif
1705#if NUM_SPOT_LIGHT_MAPS > 0
1706	uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];
1707#endif
1708#ifdef USE_SHADOWMAP
1709	#if NUM_DIR_LIGHT_SHADOWS > 0
1710		uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];
1711		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
1712		struct DirectionalLightShadow {
1713			float shadowIntensity;
1714			float shadowBias;
1715			float shadowNormalBias;
1716			float shadowRadius;
1717			vec2 shadowMapSize;
1718		};
1719		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];
1720	#endif
1721	#if NUM_SPOT_LIGHT_SHADOWS > 0
1722		uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];
1723		struct SpotLightShadow {
1724			float shadowIntensity;
1725			float shadowBias;
1726			float shadowNormalBias;
1727			float shadowRadius;
1728			vec2 shadowMapSize;
1729		};
1730		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];
1731	#endif
1732	#if NUM_POINT_LIGHT_SHADOWS > 0
1733		uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];
1734		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];
1735		struct PointLightShadow {
1736			float shadowIntensity;
1737			float shadowBias;
1738			float shadowNormalBias;
1739			float shadowRadius;
1740			vec2 shadowMapSize;
1741			float shadowCameraNear;
1742			float shadowCameraFar;
1743		};
1744		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
1745	#endif
1746	float texture2DCompare( sampler2D depths, vec2 uv, float compare ) {
1747		return step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );
1748	}
1749	vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {
1750		return unpackRGBATo2Half( texture2D( shadow, uv ) );
1751	}
1752	float VSMShadow (sampler2D shadow, vec2 uv, float compare ){
1753		float occlusion = 1.0;
1754		vec2 distribution = texture2DDistribution( shadow, uv );
1755		float hard_shadow = step( compare , distribution.x );
1756		if (hard_shadow != 1.0 ) {
1757			float distance = compare - distribution.x ;
1758			float variance = max( 0.00000, distribution.y * distribution.y );
1759			float softness_probability = variance / (variance + distance * distance );			softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );			occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );
1760		}
1761		return occlusion;
1762	}
1763	float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
1764		float shadow = 1.0;
1765		shadowCoord.xyz /= shadowCoord.w;
1766		shadowCoord.z += shadowBias;
1767		bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;
1768		bool frustumTest = inFrustum && shadowCoord.z <= 1.0;
1769		if ( frustumTest ) {
1770		#if defined( SHADOWMAP_TYPE_PCF )
1771			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
1772			float dx0 = - texelSize.x * shadowRadius;
1773			float dy0 = - texelSize.y * shadowRadius;
1774			float dx1 = + texelSize.x * shadowRadius;
1775			float dy1 = + texelSize.y * shadowRadius;
1776			float dx2 = dx0 / 2.0;
1777			float dy2 = dy0 / 2.0;
1778			float dx3 = dx1 / 2.0;
1779			float dy3 = dy1 / 2.0;
1780			shadow = (
1781				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +
1782				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +
1783				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +
1784				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +
1785				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +
1786				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +
1787				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +
1788				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +
1789				texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +
1790				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +
1791				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +
1792				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +
1793				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +
1794				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +
1795				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +
1796				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +
1797				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )
1798			) * ( 1.0 / 17.0 );
1799		#elif defined( SHADOWMAP_TYPE_PCF_SOFT )
1800			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
1801			float dx = texelSize.x;
1802			float dy = texelSize.y;
1803			vec2 uv = shadowCoord.xy;
1804			vec2 f = fract( uv * shadowMapSize + 0.5 );
1805			uv -= f * texelSize;
1806			shadow = (
1807				texture2DCompare( shadowMap, uv, shadowCoord.z ) +
1808				texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +
1809				texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +
1810				texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +
1811				mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),
1812					 texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),
1813					 f.x ) +
1814				mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),
1815					 texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),
1816					 f.x ) +
1817				mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),
1818					 texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),
1819					 f.y ) +
1820				mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),
1821					 texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),
1822					 f.y ) +
1823				mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),
1824						  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),
1825						  f.x ),
1826					 mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),
1827						  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),
1828						  f.x ),
1829					 f.y )
1830			) * ( 1.0 / 9.0 );
1831		#elif defined( SHADOWMAP_TYPE_VSM )
1832			shadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );
1833		#else
1834			shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );
1835		#endif
1836		}
1837		return mix( 1.0, shadow, shadowIntensity );
1838	}
1839	vec2 cubeToUV( vec3 v, float texelSizeY ) {
1840		vec3 absV = abs( v );
1841		float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );
1842		absV *= scaleToCube;
1843		v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );
1844		vec2 planar = v.xy;
1845		float almostATexel = 1.5 * texelSizeY;
1846		float almostOne = 1.0 - almostATexel;
1847		if ( absV.z >= almostOne ) {
1848			if ( v.z > 0.0 )
1849				planar.x = 4.0 - v.x;
1850		} else if ( absV.x >= almostOne ) {
1851			float signX = sign( v.x );
1852			planar.x = v.z * signX + 2.0 * signX;
1853		} else if ( absV.y >= almostOne ) {
1854			float signY = sign( v.y );
1855			planar.x = v.x + 2.0 * signY + 2.0;
1856			planar.y = v.z * signY - 2.0;
1857		}
1858		return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );
1859	}
1860	float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {
1861		float shadow = 1.0;
1862		vec3 lightToPosition = shadowCoord.xyz;
1863		
1864		float lightToPositionLength = length( lightToPosition );
1865		if ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {
1866			float dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );			dp += shadowBias;
1867			vec3 bd3D = normalize( lightToPosition );
1868			vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );
1869			#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )
1870				vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;
1871				shadow = (
1872					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +
1873					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +
1874					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +
1875					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +
1876					texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +
1877					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +
1878					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +
1879					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +
1880					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )
1881				) * ( 1.0 / 9.0 );
1882			#else
1883				shadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );
1884			#endif
1885		}
1886		return mix( 1.0, shadow, shadowIntensity );
1887	}
1888#endif`,