https://printstudios.de/static/public/vendor/model-viewer/model-viewer.min.js

17i,n,r){return n+(t-e)*(r-n)/(i-e)},inverseLerp:function(t,e,i){return t!==e?(i-t)/(e-t):0},lerp:le,damp:function(t,e,i,n){return le(t,e,1-Math.exp(-i*n))},pingpong:function(t,e=1){return e-Math.abs(oe(t,2*e)-e)},smoothstep:function(t,e,i){return t<=e?0:t>=i?1:(t=(t-e)/(i-e))*t*(3-2*t)},smootherstep:function(t,e,i){return t<=e?0:t>=i?1:(t=(t-e)/(i-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(ie=t);let e=ie+=1831565813;return e=Math.imul(e^e>>>15,1|e),e^=e+Math.imul(e^e>>>7,61|e),((e^e>>>14)>>>0)/4294967296},degToRad:function(t){return t*ne},radToDeg:function(t){return t*re},isPowerOfTwo:function(t){return!(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,i,n,r){const s=Math.cos,a=Math.sin,o=s(i/2),l=a(i/2),c=s((e+n)/2),h=a((e+n)/2),u=s((e-n)/2),d=a((e-n)/2),A=s((n-e)/2),p=a((n-e)/2);switch(r){case"XYX":t.set(o*h,l*u,l*d,o*c);break;case"YZY":t.set(l*d,o*h,l*u,o*c);break;case"ZXZ":t.set(l*u,l*d,o*h,o*c);break;case"XZX":t.set(o*h,l*p,l*A,o*c);break;case"YXY":t.set(l*A,o*h,l*p,o*c);break;case"ZYZ":t.set(l*p,l*A,o*h,o*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:he,denormalize:ce};class de{constructor(t=0,e=0){de.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,i=this.y,n=t.elements;return this.x=n[0]*e+n[3]*i+n[6],this.y=n[1]*e+n[4]*i+n[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 i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(t,Math.min(e,i)))}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(0===e)return Math.PI/2;const i=this.dot(t)/e;return Math.acos(ae(i,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,i=this.y-t.y;return e*e+i*i}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,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,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}

17rotateAround(t,e){const i=Math.cos(e),n=Math.sin(e),r=this.x-t.x,s=this.y-t.y;return this.x=r*i-s*n+t.x,this.y=r*n+s*i+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Ae{constructor(t,e,i,n,r,s,a,o,l){Ae.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,i,n,r,s,a,o,l)}set(t,e,i,n,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=n,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=i,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],this}extractBasis(t,e,i){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),i.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 i=t.elements,n=e.elements,r=this.elements,s=i[0],a=i[3],o=i[6],l=i[1],c=i[4],h=i[7],u=i[2],d=i[5],A=i[8],p=n[0],m=n[3],g=n[6],f=n[1],v=n[4],_=n[7],y=n[2],E=n[5],x=n[8];return r[0]=s*p+a*f+o*y,r[3]=s*m+a*v+o*E,r[6]=s*g+a*_+o*x,r[1]=l*p+c*f+h*y,r[4]=l*m+c*v+h*E,r[7]=l*g+c*_+h*x,r[2]=u*p+d*f+A*y,r[5]=u*m+d*v+A*E,r[8]=u*g+d*_+A*x,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],i=t[1],n=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-i*r*c+i*a*o+n*r*l-n*s*o}invert(){const t=this.elements,e=t[0],i=t[1],n=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,A=e*h+i*u+n*d;if(0===A)return this.set(0,0,0,0,0,0,0,0,0);const p=1/A;return t[0]=h*p,t[1]=(n*l-c*i)*p,t[2]=(a*i-n*s)*p,t[3]=u*p,t[4]=(c*e-n*o)*p,t[5]=(n*r-a*e)*p,t[6]=d*p,t[7]=(i*o-l*e)*p,t[8]=(s*e-i*r)*p,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,i,n,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(i*o,i*l,-i*(o*s+l*a)+s+t,-n*l,n*o,-n*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(pe.makeScale(t,e)),this}rotate(t){return this.premultiply(pe.makeRotation(-t)),this}translate(t,e){return this.premultiply(pe.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),i=Math.sin(t);return this.set(e,-i,0,i,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,i=t.elements;for(let t=0;t<9;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<9;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const pe=new Ae;function me(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}function ge(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function fe(){const t=ge("canvas");return t.style.display="block",t}const ve={};function _e(t){t in ve||(ve[t]=!0,console.warn(t))}const ye=(new Ae).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),Ee=(new Ae).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),xe={[Ut]:{transfer:Ft,primaries:Ot,toReference:t=>t,fromReference:t=>t},[Lt]:{transfer:Qt,primaries:Ot,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[Nt]:{transfer:Ft,primaries:kt,toReference:t=>t.applyMatrix3(Ee),fromReference:t=>t.applyMatrix3(ye)},[Pt]:{transfer:Qt,primaries:kt,toReference:t=>t.convertSRGBToLinear().applyMatrix3(Ee),fromReference:t=>t.applyMatrix3(ye).convertLinearToSRGB()}},Se=new Set([Ut,Nt]),Ce={enabled:!0,_workingColorSpace:Ut,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!Se.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,i){if(!1===this.enabled||e===i||!e||!i)return t;const n=xe[e].toReference;return(0,xe[i].fromReference)(n(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return xe[t].primaries},getTransfer:function(t){return t===Dt?Ft:xe[t].transfer}};function Ie(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Me(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let we;class be{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===we&&(we=ge("canvas")),we.width=t.width,we.height=t.height;const i=we.getContext("2d");t instanceof ImageData?i.putImageData(t,0,0):i.drawImage(t,0,0,t.width,t.height),e=we}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("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=ge("canvas");e.width=t.width,e.height=t.height;const i=e.getContext("2d");i.drawImage(t,0,0,t.width,t.height);const n=i.getImageData(0,0,t.width,t.height),r=n.data;for(let t=0;t<r.length;t++)r[t]=255*Ie(r[t]/255);return i.putImageData(n,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Ie(e[t]/255)):e[t]=Ie(e[t]);return{data:e,width:t.width,height:t.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let Te=0;class Be{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Te++}),this.uuid=se(),this.data=t,this.dataReady=!0,this.version=0}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const i={uuid:this.uuid,url:""},n=this.data;if(null!==n){let t;if(Array.isArray(n)){t=[];for(let e=0,i=n.length;e<i;e++)n[e].isDataTexture?t.push(Re(n[e].image)):t.push(Re(n[e]))}else t=Re(n);i.url=t}return e||(t.images[this.uuid]=i),i}}function Re(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?be.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let De=0;class Le extends te{constructor(t=Le.DEFAULT_IMAGE,e=Le.DEFAULT_MAPPING,i=1001,n=1001,r=1006,s=1008,a=1023,o=1009,l=Le.DEFAULT_ANISOTROPY,c=Dt){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:De++}),this.uuid=se(),this.name="",this.source=new Be(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=i,this.wrapT=n,this.magFilter=r,this.minFilter=s,this.anisotropy=l,this.format=a,this.internalFormat=null,this.type=o,this.offset=new de(0,0),this.repeat=new de(1,1),this.center=new de(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Ae,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=c,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=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const i={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&&(i.userData=this.userData),e||(t.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==k)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case W:t.x=t.x-Math.floor(t.x);break;case q:t.x=t.x<0?0:1;break;case X:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case W:t.y=t.y-Math.floor(t.y);break;case q:t.y=t.y<0?0:1;break;case X:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Le.DEFAULT_IMAGE=null,Le.DEFAULT_MAPPING=k,Le.DEFAULT_ANISOTROPY=1;class Ue{constructor(t=0,e=0,i=0,n=1){Ue.prototype.isVector4=!0,this.x=t,this.y=e,this.z=i,this.w=n}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,i,n){return this.x=t,this.y=e,this.z=i,this.w=n,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=void 0!==t.w?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,i=this.y,n=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*i+s[8]*n+s[12]*r,this.y=s[1]*e+s[5]*i+s[9]*n+s[13]*r,this.z=s[2]*e+s[6]*i+s[10]*n+s[14]*r,this.w=s[3]*e+s[7]*i+s[11]*n+s[15]*r,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,i,n,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],A=o[9],p=o[2],m=o[6],g=o[10];if(Math.abs(c-u)<s&&Math.abs(h-p)<s&&Math.abs(A-m)<s){if(Math.abs(c+u)<a&&Math.abs(h+p)<a&&Math.abs(A+m)<a&&Math.abs(l+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,o=(d+1)/2,f=(g+1)/2,v=(c+u)/4,_=(h+p)/4,y=(A+m)/4;return t>o&&t>f?t<s?(i=0,n=.707106781,r=.707106781):(i=Math.sqrt(t),n=v/i,r=_/i):o>f?o<s?(i=.707106781,n=0,r=.707106781):(n=Math.sqrt(o),i=v/n,r=y/n):f<s?(i=.707106781,n=.707106781,r=0):(r=Math.sqrt(f),i=_/r,n=y/r),this.set(i,n,r,e),this}let f=Math.sqrt((m-A)*(m-A)+(h-p)*(h-p)+(u-c)*(u-c));return Math.abs(f)<.001&&(f=1),this.x=(m-A)/f,this.y=(h-p)/f,this.z=(u-c)/f,this.w=Math.acos((l+d+g-1)/2),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 i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(t,Math.min(e,i)))}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}

17round(){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,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this.w=t.w+(e.w-t.w)*i,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 Pe extends te{constructor(t=1,e=1,i={}){super(),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new Ue(0,0,t,e),this.scissorTest=!1,this.viewport=new Ue(0,0,t,e);const n={width:t,height:e,depth:1};i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:J,depthBuffer:!0,stencilBuffer:!1,depthTexture:null,samples:0,count:1},i);const r=new Le(n,i.mapping,i.wrapS,i.wrapT,i.magFilter,i.minFilter,i.format,i.type,i.anisotropy,i.colorSpace);r.flipY=!1,r.generateMipmaps=i.generateMipmaps,r.internalFormat=i.internalFormat,this.textures=[];const s=i.count;for(let t=0;t<s;t++)this.textures[t]=r.clone(),this.textures[t].isRenderTargetTexture=!0;this.depthBuffer=i.depthBuffer,this.stencilBuffer=i.stencilBuffer,this.depthTexture=i.depthTexture,this.samples=i.samples}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}setSize(t,e,i=1){if(this.width!==t||this.height!==e||this.depth!==i){this.width=t,this.height=e,this.depth=i;for(let n=0,r=this.textures.length;n<r;n++)this.textures[n].image.width=t,this.textures[n].image.height=e,this.textures[n].image.depth=i;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 e=0,i=t.textures.length;e<i;e++)this.textures[e]=t.textures[e].clone(),this.textures[e].isRenderTargetTexture=!0;const e=Object.assign({},t.texture.image);return this.texture.source=new Be(e),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Ne extends Pe{constructor(t=1,e=1,i={}){super(t,e,i),this.isWebGLRenderTarget=!0}}class Fe extends Le{constructor(t=null,e=1,i=1,n=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:i,depth:n},this.magFilter=j,this.minFilter=j,this.wrapR=q,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Qe extends Le{constructor(t=null,e=1,i=1,n=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:i,depth:n},this.magFilter=j,this.minFilter=j,this.wrapR=q,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Oe{constructor(t=0,e=0,i=0,n=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=i,this._w=n}static slerpFlat(t,e,i,n,r,s,a){let o=i[n+0],l=i[n+1],c=i[n+2],h=i[n+3];const u=r[s+0],d=r[s+1],A=r[s+2],p=r[s+3];if(0===a)return t[e+0]=o,t[e+1]=l,t[e+2]=c,void(t[e+3]=h);if(1===a)return t[e+0]=u,t[e+1]=d,t[e+2]=A,void(t[e+3]=p);if(h!==p||o!==u||l!==d||c!==A){let t=1-a;const e=o*u+l*d+c*A+h*p,i=e>=0?1:-1,n=1-e*e;if(n>Number.EPSILON){const r=Math.sqrt(n),s=Math.atan2(r,e*i);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*i;if(o=o*t+u*r,l=l*t+d*r,c=c*t+A*r,h=h*t+p*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,i,n,r,s){const a=i[n],o=i[n+1],l=i[n+2],c=i[n+3],h=r[s],u=r[s+1],d=r[s+2],A=r[s+3];return t[e]=a*A+c*h+o*d-l*u,t[e+1]=o*A+c*u+l*h-a*d,t[e+2]=l*A+c*d+a*u-o*h,t[e+3]=c*A-a*h-o*u-l*d,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,i,n){return this._x=t,this._y=e,this._z=i,this._w=n,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 i=t._x,n=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(i/2),c=a(n/2),h=a(r/2),u=o(i/2),d=o(n/2),A=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*A,this._y=l*d*h-u*c*A,this._z=l*c*A+u*d*h,this._w=l*c*h-u*d*A;break;case"YXZ":this._x=u*c*h+l*d*A,this._y=l*d*h-u*c*A,this._z=l*c*A-u*d*h,this._w=l*c*h+u*d*A;break;case"ZXY":this._x=u*c*h-l*d*A,this._y=l*d*h+u*c*A,this._z=l*c*A+u*d*h,this._w=l*c*h-u*d*A;break;case"ZYX":this._x=u*c*h-l*d*A,this._y=l*d*h+u*c*A,this._z=l*c*A-u*d*h,this._w=l*c*h+u*d*A;break;case"YZX":this._x=u*c*h+l*d*A,this._y=l*d*h+u*c*A,this._z=l*c*A-u*d*h,this._w=l*c*h-u*d*A;break;case"XZY":this._x=u*c*h-l*d*A,this._y=l*d*h-u*c*A,this._z=l*c*A+u*d*h,this._w=l*c*h+u*d*A;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!0===e&&this._onChangeCallback(),this}

17setFromAxisAngle(t,e){const i=e/2,n=Math.sin(i);return this._x=t.x*n,this._y=t.y*n,this._z=t.z*n,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,i=e[0],n=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=i+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-n)*t}else if(i>a&&i>h){const t=2*Math.sqrt(1+i-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(n+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-i-h);this._w=(r-l)/t,this._x=(n+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-i-a);this._w=(s-n)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let i=t.dot(e)+1;return i<Number.EPSILON?(i=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=i):(this._x=0,this._y=-t.z,this._z=t.y,this._w=i)):(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=i),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(ae(this.dot(t),-1,1)))}rotateTowards(t,e){const i=this.angleTo(t);if(0===i)return this;const n=Math.min(1,e/i);return this.slerp(t,n),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 0===t?(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 i=t._x,n=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=i*c+s*a+n*l-r*o,this._y=n*c+s*o+r*a-i*l,this._z=r*c+s*l+i*o-n*a,this._w=s*c-i*a-n*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const i=this._x,n=this._y,r=this._z,s=this._w;let a=s*t._w+i*t._x+n*t._y+r*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=s,this._x=i,this._y=n,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*i+e*this._x,this._y=t*n+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=i*h+this._x*u,this._y=n*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,i){return this.copy(t).slerp(e,i)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),i=Math.random(),n=Math.sqrt(1-i),r=Math.sqrt(i);return this.set(n*Math.sin(t),n*Math.cos(t),r*Math.sin(e),r*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 ke{constructor(t=0,e=0,i=0){ke.prototype.isVector3=!0,this.x=t,this.y=e,this.z=i}set(t,e,i){return void 0===i&&(i=this.z),this.x=t,this.y=e,this.z=i,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(He.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(He.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,i=this.y,n=this.z,r=t.elements;return this.x=r[0]*e+r[3]*i+r[6]*n,this.y=r[1]*e+r[4]*i+r[7]*n,this.z=r[2]*e+r[5]*i+r[8]*n,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,i=this.y,n=this.z,r=t.elements,s=1/(r[3]*e+r[7]*i+r[11]*n+r[15]);return this.x=(r[0]*e+r[4]*i+r[8]*n+r[12])*s,this.y=(r[1]*e+r[5]*i+r[9]*n+r[13])*s,this.z=(r[2]*e+r[6]*i+r[10]*n+r[14])*s,this}applyQuaternion(t){const e=this.x,i=this.y,n=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=2*(s*n-a*i),c=2*(a*e-r*n),h=2*(r*i-s*e);return this.x=e+o*l+s*h-a*c,this.y=i+o*c+a*l-r*h,this.z=n+o*h+r*c-s*l,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,i=this.y,n=this.z,r=t.elements;return this.x=r[0]*e+r[4]*i+r[8]*n,this.y=r[1]*e+r[5]*i+r[9]*n,this.z=r[2]*e+r[6]*i+r[10]*n,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 i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(t,Math.min(e,i)))}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,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const i=t.x,n=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=n*o-r*a,this.y=r*s-i*o,this.z=i*a-n*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const i=t.dot(this)/e;return this.copy(t).multiplyScalar(i)}projectOnPlane(t){return Ge.copy(this).projectOnVector(t),this.sub(Ge)}reflect(t){return this.sub(Ge.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const i=this.dot(t)/e;return Math.acos(ae(i,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,i=this.y-t.y,n=this.z-t.z;return e*e+i*i+n*n}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,i){const n=Math.sin(e)*t;return this.x=n*Math.sin(i),this.y=Math.cos(e)*t,this.z=n*Math.cos(i),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,i){return this.x=t*Math.sin(e),this.y=i,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(),i=this.setFromMatrixColumn(t,1).length(),n=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=i,this.z=n,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}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=2*Math.random()-1,i=Math.sqrt(1-e*e);return this.x=i*Math.cos(t),this.y=e,this.z=i*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ge=new ke,He=new Oe;class ze{constructor(t=new ke(1/0,1/0,1/0),e=new ke(-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,i=t.length;e<i;e+=3)this.expandByPoint(We.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,i=t.count;e<i;e++)this.expandByPoint(We.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=We.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),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 i=t.geometry;if(void 0!==i){const n=i.getAttribute("position");if(!0===e&&void 0!==n&&!0!==t.isInstancedMesh)for(let e=0,i=n.count;e<i;e++)!0===t.isMesh?t.getVertexPosition(e,We):We.fromBufferAttribute(n,e),We.applyMatrix4(t.matrixWorld),this.expandByPoint(We);else void 0!==t.boundingBox?(null===t.boundingBox&&t.computeBoundingBox(),qe.copy(t.boundingBox)):(null===i.boundingBox&&i.computeBoundingBox(),qe.copy(i.boundingBox)),qe.applyMatrix4(t.matrixWorld),this.union(qe)}const n=t.children;for(let t=0,i=n.length;t<i;t++)this.expandByObject(n[t],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,We),We.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,i;return t.normal.x>0?(e=t.normal.x*this.min.x,i=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,i=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,i+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,i+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,i+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,i+=t.normal.z*this.min.z),e<=-t.constant&&i>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Ze),ti.subVectors(this.max,Ze),Xe.subVectors(t.a,Ze),je.subVectors(t.b,Ze),Ye.subVectors(t.c,Ze),Ke.subVectors(je,Xe),Je.subVectors(Ye,je),$e.subVectors(Xe,Ye);let e=[0,-Ke.z,Ke.y,0,-Je.z,Je.y,0,-$e.z,$e.y,Ke.z,0,-Ke.x,Je.z,0,-Je.x,$e.z,0,-$e.x,-Ke.y,Ke.x,0,-Je.y,Je.x,0,-$e.y,$e.x,0];return!!ni(e,Xe,je,Ye,ti)&&(e=[1,0,0,0,1,0,0,0,1],!!ni(e,Xe,je,Ye,ti)&&(ei.crossVectors(Ke,Je),e=[ei.x,ei.y,ei.z],ni(e,Xe,je,Ye,ti)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,We).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(We).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Ve[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ve[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ve[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ve[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ve[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ve[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ve[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ve[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ve)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Ve=[new ke,new ke,new ke,new ke,new ke,new ke,new ke,new ke],We=new ke,qe=new ze,Xe=new ke,je=new ke,Ye=new ke,Ke=new ke,Je=new ke,$e=new ke,Ze=new ke,ti=new ke,ei=new ke,ii=new ke;function ni(t,e,i,n,r){for(let s=0,a=t.length-3;s<=a;s+=3){ii.fromArray(t,s);const a=r.x*Math.abs(ii.x)+r.y*Math.abs(ii.y)+r.z*Math.abs(ii.z),o=e.dot(ii),l=i.dot(ii),c=n.dot(ii);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const ri=new ze,si=new ke,ai=new ke;class oi{constructor(t=new ke,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 i=this.center;void 0!==e?i.copy(e):ri.setFromPoints(t).getCenter(i);let n=0;for(let e=0,r=t.length;e<r;e++)n=Math.max(n,i.distanceToSquared(t[e]));return this.radius=Math.sqrt(n),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 i=this.center.distanceToSquared(t);return e.copy(t),i>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)}applyMatrix4(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;si.subVectors(t,this.center);const e=si.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),i=.5*(t-this.radius);this.center.addScaledVector(si,i/t),this.radius+=i}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(ai.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(si.copy(t.center).add(ai)),this.expandByPoint(si.copy(t.center).sub(ai))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const li=new ke,ci=new ke,hi=new ke,ui=new ke,di=new ke,Ai=new ke,pi=new ke;class mi{constructor(t=new ke,e=new ke(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,li)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const i=e.dot(this.direction);return i<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=li.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(li.copy(this.origin).addScaledVector(this.direction,e),li.distanceToSquared(t))}distanceSqToSegment(t,e,i,n){ci.copy(t).add(e).multiplyScalar(.5),hi.copy(e).sub(t).normalize(),ui.copy(this.origin).sub(ci);const r=.5*t.distanceTo(e),s=-this.direction.dot(hi),a=ui.dot(this.direction),o=-ui.dot(hi),l=ui.lengthSq(),c=Math.abs(1-s*s);let h,u,d,A;if(c>0)if(h=s*o-a,u=s*a-o,A=r*c,h>=0)if(u>=-A)if(u<=A){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-A?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=A?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;

17return i&&i.copy(this.origin).addScaledVector(this.direction,h),n&&n.copy(ci).addScaledVector(hi,u),d}intersectSphere(t,e){li.subVectors(t.center,this.origin);const i=li.dot(this.direction),n=li.dot(li)-i*i,r=t.radius*t.radius;if(n>r)return null;const s=Math.sqrt(r-n),a=i-s,o=i+s;return o<0?null:a<0?this.at(o,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(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const i=-(this.origin.dot(t.normal)+t.constant)/e;return i>=0?i:null}intersectPlane(t,e){const i=this.distanceToPlane(t);return null===i?null:this.at(i,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let i,n,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(i=(t.min.x-u.x)*l,n=(t.max.x-u.x)*l):(i=(t.max.x-u.x)*l,n=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),i>s||r>n?null:((r>i||isNaN(i))&&(i=r),(s<n||isNaN(n))&&(n=s),h>=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),i>o||a>n?null:((a>i||i!=i)&&(i=a),(o<n||n!=n)&&(n=o),n<0?null:this.at(i>=0?i:n,e)))}intersectsBox(t){return null!==this.intersectBox(t,li)}intersectTriangle(t,e,i,n,r){di.subVectors(e,t),Ai.subVectors(i,t),pi.crossVectors(di,Ai);let s,a=this.direction.dot(pi);if(a>0){if(n)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}ui.subVectors(this.origin,t);const o=s*this.direction.dot(Ai.crossVectors(ui,Ai));if(o<0)return null;const l=s*this.direction.dot(di.cross(ui));if(l<0)return null;if(o+l>a)return null;const c=-s*ui.dot(pi);return c<0?null:this.at(c/a,r)}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 gi{constructor(t,e,i,n,r,s,a,o,l,c,h,u,d,A,p,m){gi.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,i,n,r,s,a,o,l,c,h,u,d,A,p,m)}set(t,e,i,n,r,s,a,o,l,c,h,u,d,A,p,m){const g=this.elements;return g[0]=t,g[4]=e,g[8]=i,g[12]=n,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=A,g[11]=p,g[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 gi).fromArray(this.elements)}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],e[9]=i[9],e[10]=i[10],e[11]=i[11],e[12]=i[12],e[13]=i[13],e[14]=i[14],e[15]=i[15],this}copyPosition(t){const e=this.elements,i=t.elements;return e[12]=i[12],e[13]=i[13],e[14]=i[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,i){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this}makeBasis(t,e,i){return this.set(t.x,e.x,i.x,0,t.y,e.y,i.y,0,t.z,e.z,i.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,i=t.elements,n=1/fi.setFromMatrixColumn(t,0).length(),r=1/fi.setFromMatrixColumn(t,1).length(),s=1/fi.setFromMatrixColumn(t,2).length();return e[0]=i[0]*n,e[1]=i[1]*n,e[2]=i[2]*n,e[3]=0,e[4]=i[4]*r,e[5]=i[5]*r,e[6]=i[6]*r,e[7]=0,e[8]=i[8]*s,e[9]=i[9]*s,e[10]=i[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,i=t.x,n=t.y,r=t.z,s=Math.cos(i),a=Math.sin(i),o=Math.cos(n),l=Math.sin(n),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,i=s*h,n=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=i+n*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=n+i*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,i=o*h,n=l*c,r=l*h;e[0]=t+r*a,e[4]=n*a-i,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=i*a-n,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,i=o*h,n=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=n+i*a,e[1]=i+n*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,i=s*h,n=a*c,r=a*h;e[0]=o*c,e[4]=n*l-i,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=i*l-n,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,i=s*l,n=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=n*h+i,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=i*h+n,e[10]=t-r*h}

17else if("XZY"===t.order){const t=s*o,i=s*l,n=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=i*h-n,e[2]=n*h-i,e[6]=a*c,e[10]=r*h+t}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(_i,t,yi)}lookAt(t,e,i){const n=this.elements;return Si.subVectors(t,e),0===Si.lengthSq()&&(Si.z=1),Si.normalize(),Ei.crossVectors(i,Si),0===Ei.lengthSq()&&(1===Math.abs(i.z)?Si.x+=1e-4:Si.z+=1e-4,Si.normalize(),Ei.crossVectors(i,Si)),Ei.normalize(),xi.crossVectors(Si,Ei),n[0]=Ei.x,n[4]=xi.x,n[8]=Si.x,n[1]=Ei.y,n[5]=xi.y,n[9]=Si.y,n[2]=Ei.z,n[6]=xi.z,n[10]=Si.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,n=e.elements,r=this.elements,s=i[0],a=i[4],o=i[8],l=i[12],c=i[1],h=i[5],u=i[9],d=i[13],A=i[2],p=i[6],m=i[10],g=i[14],f=i[3],v=i[7],_=i[11],y=i[15],E=n[0],x=n[4],S=n[8],C=n[12],I=n[1],M=n[5],w=n[9],b=n[13],T=n[2],B=n[6],R=n[10],D=n[14],L=n[3],U=n[7],P=n[11],N=n[15];return r[0]=s*E+a*I+o*T+l*L,r[4]=s*x+a*M+o*B+l*U,r[8]=s*S+a*w+o*R+l*P,r[12]=s*C+a*b+o*D+l*N,r[1]=c*E+h*I+u*T+d*L,r[5]=c*x+h*M+u*B+d*U,r[9]=c*S+h*w+u*R+d*P,r[13]=c*C+h*b+u*D+d*N,r[2]=A*E+p*I+m*T+g*L,r[6]=A*x+p*M+m*B+g*U,r[10]=A*S+p*w+m*R+g*P,r[14]=A*C+p*b+m*D+g*N,r[3]=f*E+v*I+_*T+y*L,r[7]=f*x+v*M+_*B+y*U,r[11]=f*S+v*w+_*R+y*P,r[15]=f*C+v*b+_*D+y*N,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],i=t[4],n=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-n*l*h-r*a*u+i*l*u+n*a*d-i*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-n*s*d+n*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+i*s*d+r*a*c-i*l*c)+t[15]*(-n*a*c-e*o*h+e*a*u+n*s*h-i*s*u+i*o*c)}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,i){const n=this.elements;return t.isVector3?(n[12]=t.x,n[13]=t.y,n[14]=t.z):(n[12]=t,n[13]=e,n[14]=i),this}invert(){const t=this.elements,e=t[0],i=t[1],n=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],A=t[12],p=t[13],m=t[14],g=t[15],f=h*m*l-p*u*l+p*o*d-a*m*d-h*o*g+a*u*g,v=A*u*l-c*m*l-A*o*d+s*m*d+c*o*g-s*u*g,_=c*p*l-A*h*l+A*a*d-s*p*d-c*a*g+s*h*g,y=A*h*o-c*p*o-A*a*u+s*p*u+c*a*m-s*h*m,E=e*f+i*v+n*_+r*y;if(0===E)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const x=1/E;return t[0]=f*x,t[1]=(p*u*r-h*m*r-p*n*d+i*m*d+h*n*g-i*u*g)*x,t[2]=(a*m*r-p*o*r+p*n*l-i*m*l-a*n*g+i*o*g)*x,t[3]=(h*o*r-a*u*r-h*n*l+i*u*l+a*n*d-i*o*d)*x,t[4]=v*x,t[5]=(c*m*r-A*u*r+A*n*d-e*m*d-c*n*g+e*u*g)*x,t[6]=(A*o*r-s*m*r-A*n*l+e*m*l+s*n*g-e*o*g)*x,t[7]=(s*u*r-c*o*r+c*n*l-e*u*l-s*n*d+e*o*d)*x,t[8]=_*x,t[9]=(A*h*r-c*p*r-A*i*d+e*p*d+c*i*g-e*h*g)*x,t[10]=(s*p*r-A*a*r+A*i*l-e*p*l-s*i*g+e*a*g)*x,t[11]=(c*a*r-s*h*r-c*i*l+e*h*l+s*i*d-e*a*d)*x,t[12]=y*x,t[13]=(c*p*n-A*h*n+A*i*u-e*p*u-c*i*m+e*h*m)*x,t[14]=(A*a*n-s*p*n-A*i*o+e*p*o+s*i*m-e*a*m)*x,t[15]=(s*h*n-c*a*n+c*i*o-e*h*o-s*i*u+e*a*u)*x,this}scale(t){const e=this.elements,i=t.x,n=t.y,r=t.z;return e[0]*=i,e[4]*=n,e[8]*=r,e[1]*=i,e[5]*=n,e[9]*=r,e[2]*=i,e[6]*=n,e[10]*=r,e[3]*=i,e[7]*=n,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],i=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],n=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,i,n))}makeTranslation(t,e,i){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,i,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),i=Math.sin(t);return this.set(1,0,0,0,0,e,-i,0,0,i,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,0,i,0,0,1,0,0,-i,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,0,i,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const i=Math.cos(e),n=Math.sin(e),r=1-i,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+i,l*a-n*o,l*o+n*a,0,l*a+n*o,c*a+i,c*o-n*s,0,l*o-n*a,c*o+n*s,r*o*o+i,0,0,0,0,1),this}makeScale(t,e,i){return this.set(t,0,0,0,0,e,0,0,0,0,i,0,0,0,0,1),this}makeShear(t,e,i,n,r,s){return this.set(1,i,r,0,t,1,s,0,e,n,1,0,0,0,0,1),this}compose(t,e,i){const n=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,A=r*h,p=s*c,m=s*h,g=a*h,f=

17o*l,v=o*c,_=o*h,y=i.x,E=i.y,x=i.z;return n[0]=(1-(p+g))*y,n[1]=(d+_)*y,n[2]=(A-v)*y,n[3]=0,n[4]=(d-_)*E,n[5]=(1-(u+g))*E,n[6]=(m+f)*E,n[7]=0,n[8]=(A+v)*x,n[9]=(m-f)*x,n[10]=(1-(u+p))*x,n[11]=0,n[12]=t.x,n[13]=t.y,n[14]=t.z,n[15]=1,this}decompose(t,e,i){const n=this.elements;let r=fi.set(n[0],n[1],n[2]).length();const s=fi.set(n[4],n[5],n[6]).length(),a=fi.set(n[8],n[9],n[10]).length();this.determinant()<0&&(r=-r),t.x=n[12],t.y=n[13],t.z=n[14],vi.copy(this);const o=1/r,l=1/s,c=1/a;return vi.elements[0]*=o,vi.elements[1]*=o,vi.elements[2]*=o,vi.elements[4]*=l,vi.elements[5]*=l,vi.elements[6]*=l,vi.elements[8]*=c,vi.elements[9]*=c,vi.elements[10]*=c,e.setFromRotationMatrix(vi),i.x=r,i.y=s,i.z=a,this}makePerspective(t,e,i,n,r,s,a=2e3){const o=this.elements,l=2*r/(e-t),c=2*r/(i-n),h=(e+t)/(e-t),u=(i+n)/(i-n);let d,A;if(a===$t)d=-(s+r)/(s-r),A=-2*s*r/(s-r);else{if(a!==Zt)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);d=-s/(s-r),A=-s*r/(s-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=A,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(t,e,i,n,r,s,a=2e3){const o=this.elements,l=1/(e-t),c=1/(i-n),h=1/(s-r),u=(e+t)*l,d=(i+n)*c;let A,p;if(a===$t)A=(s+r)*h,p=-2*h;else{if(a!==Zt)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);A=r*h,p=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=p,o[14]=-A,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<16;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<16;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t[e+9]=i[9],t[e+10]=i[10],t[e+11]=i[11],t[e+12]=i[12],t[e+13]=i[13],t[e+14]=i[14],t[e+15]=i[15],t}}const fi=new ke,vi=new gi,_i=new ke(0,0,0),yi=new ke(1,1,1),Ei=new ke,xi=new ke,Si=new ke,Ci=new gi,Ii=new Oe;class Mi{constructor(t=0,e=0,i=0,n=Mi.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=i,this._order=n}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,i,n=this._order){return this._x=t,this._y=e,this._z=i,this._order=n,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,i=!0){const n=t.elements,r=n[0],s=n[4],a=n[8],o=n[1],l=n[5],c=n[9],h=n[2],u=n[6],d=n[10];switch(e){case"XYZ":this._y=Math.asin(ae(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-ae(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(ae(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-ae(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(ae(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-ae(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===i&&this._onChangeCallback(),this}setFromQuaternion(t,e,i){return Ci.makeRotationFromQuaternion(t),this.setFromRotationMatrix(Ci,e,i)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return Ii.setFromEuler(this),this.setFromQuaternion(Ii,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],void 0!==t[3]&&(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}}Mi.DEFAULT_ORDER="XYZ";class wi{constructor(){this.mask=1}set(t){this.mask=1<<t>>>0}enable(t){this.mask|=1<<t}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t}disable(t){this.mask&=~(1<<t)}disableAll(){this.mask=0}test(t){return!!(this.mask&t.mask)}isEnabled(t){return!!(this.mask&1<<t)}}let bi=0;const Ti=new ke,Bi=new Oe,Ri=new gi,Di=new ke,Li=new ke,Ui=new ke,Pi=new Oe,Ni=new ke(1,0,0),Fi=new ke(0,1,0),Qi=new ke(0,0,1),Oi={type:"added"},ki={type:"removed"},Gi={type:"childadded",child:null},Hi={type:"childremoved",child:null};class zi extends te{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:bi++}),this.uuid=se(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=zi.DEFAULT_UP.clone();const t=new ke,e=new Mi,i=new Oe,n=new ke(1,1,1);e._onChange((function(){i.setFromEuler(e,!1)})),i._onChange((function(){e.setFromQuaternion(i,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:i},scale:{configurable:!0,enumerable:!0,value:n},modelViewMatrix:{value:new gi},normalMatrix:{value:new Ae}}),this.matrix=new gi,this.matrixWorld=new gi,this.matrixAutoUpdate=zi.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=zi.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new wi,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)}

17setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return Bi.setFromAxisAngle(t,e),this.quaternion.multiply(Bi),this}rotateOnWorldAxis(t,e){return Bi.setFromAxisAngle(t,e),this.quaternion.premultiply(Bi),this}rotateX(t){return this.rotateOnAxis(Ni,t)}rotateY(t){return this.rotateOnAxis(Fi,t)}rotateZ(t){return this.rotateOnAxis(Qi,t)}translateOnAxis(t,e){return Ti.copy(t).applyQuaternion(this.quaternion),this.position.add(Ti.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(Ni,t)}translateY(t){return this.translateOnAxis(Fi,t)}translateZ(t){return this.translateOnAxis(Qi,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(Ri.copy(this.matrixWorld).invert())}lookAt(t,e,i){t.isVector3?Di.copy(t):Di.set(t,e,i);const n=this.parent;this.updateWorldMatrix(!0,!1),Li.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Ri.lookAt(Li,Di,this.up):Ri.lookAt(Di,Li,this.up),this.quaternion.setFromRotationMatrix(Ri),n&&(Ri.extractRotation(n.matrixWorld),Bi.setFromRotationMatrix(Ri),this.quaternion.premultiply(Bi.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);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(Oi),Gi.child=t,this.dispatchEvent(Gi),Gi.child=null):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(ki),Hi.child=t,this.dispatchEvent(Hi),Hi.child=null),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){return this.remove(...this.children)}attach(t){return this.updateWorldMatrix(!0,!1),Ri.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),Ri.multiply(t.parent.matrixWorld)),t.applyMatrix4(Ri),t.removeFromParent(),t.parent=this,this.children.push(t),t.updateWorldMatrix(!1,!0),t.dispatchEvent(Oi),Gi.child=t,this.dispatchEvent(Gi),Gi.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 i=0,n=this.children.length;i<n;i++){const n=this.children[i].getObjectByProperty(t,e);if(void 0!==n)return n}}getObjectsByProperty(t,e,i=[]){this[t]===e&&i.push(this);const n=this.children;for(let r=0,s=n.length;r<s;r++)n[r].getObjectsByProperty(t,e,i);return i}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Li,t,Ui),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Li,Pi,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 i=0,n=e.length;i<n;i++)e[i].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let i=0,n=e.length;i<n;i++)e[i].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(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)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let i=0,n=e.length;i<n;i++){const n=e[i];!0!==n.matrixWorldAutoUpdate&&!0!==t||n.updateMatrixWorld(t)}}updateWorldMatrix(t,e){const i=this.parent;if(!0===t&&null!==i&&!0===i.matrixWorldAutoUpdate&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===e){const t=this.children;for(let e=0,i=t.length;e<i;e++){const i=t[e];!0===i.matrixWorldAutoUpdate&&i.updateWorldMatrix(!1,!0)}}}toJSON(t){const e=void 0===t||"string"==typeof t,i={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},i.metadata={version:4.6,type:"Object",generator:"Object3D.toJSON"});const n={};function r(e,i){return void 0===e[i.uuid]&&(e[i.uuid]=i.toJSON(t)),i.uuid}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),!0===this.castShadow&&(n.castShadow=!0),!0===this.receiveShadow&&(n.receiveShadow=!0),!1===this.visible&&(n.visible=!1),!1===this.frustumCulled&&(n.frustumCulled=!1),0!==this.renderOrder&&(n.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(n.userData=this.userData),n.layers=this.layers.mask,n.matrix=this.matrix.toArray(),n.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(n.matrixAutoUpdate=!1),this.isInstancedMesh&&(n.type="InstancedMesh",n.count=this.count,n.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(n.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(n.type="BatchedMesh",n.perObjectFrustumCulled=this.perObjectFrustumCulled,n.sortObjects=this.sortObjects,n.drawRanges=this._drawRanges,n.reservedRanges=this._reservedRanges,n.visibility=this._visibility,n.active=this._active,n.bounds=this._bounds.map((t=>({boxInitialized:t.boxInitialized,boxMin:t.box.min.toArray(),boxMax:t.box.max.toArray(),sphereInitialized:t.sphereInitialized,sphereRadius:t.sphere.radius,sphereCenter:t.sphere.center.toArray()}))),n.maxGeometryCount=this._maxGeometryCount,n.maxVertexCount=this._maxVertexCount,n.maxIndexCount=this._maxIndexCount,n.geometryInitialized=this._geometryInitialized,n.geometryCount=this._geometryCount,n.matricesTexture=this._matricesTexture.toJSON(t),null!==this.boundingSphere&&(n.boundingSphere={center:n.boundingSphere.center.toArray(),radius:n.boundingSphere.radius}),null!==this.boundingBox&&(n.boundingBox={min:n.boundingBox.min.toArray(),max:n.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?n.background=this.background.toJSON():this.background.isTexture&&(n.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(n.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){n.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const i=e.shapes;if(Array.isArray(i))for(let e=0,n=i.length;e<n;e++){const n=i[e];r(t.shapes,n)}else r(t.shapes,i)}}if(this.isSkinnedMesh&&(n.bindMode=this.bindMode,n.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),n.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let i=0,n=this.material.length;i<n;i++)e.push(r(t.materials,this.material[i]));n.material=e}else n.material=r(t.materials,this.material);if(this.children.length>0){n.children=[];for(let e=0;e<this.children.length;e++)n.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){n.animations=[];for(let e=0;e<this.animations.length;e++){const i=this.animations[e];n.animations.push(r(t.animations,i))}}if(e){const e=s(t.geometries),n=s(t.materials),r=s(t.textures),a=s(t.images),o=s(t.shapes),l=s(t.skeletons),c=s(t.animations),h=s(t.nodes);e.length>0&&(i.geometries=e),n.length>0&&(i.materials=n),r.length>0&&(i.textures=r),a.length>0&&(i.images=a),o.length>0&&(i.shapes=o),l.length>0&&(i.skeletons=l),c.length>0&&(i.animations=c),h.length>0&&(i.nodes=h)}return i.object=n,i;function s(t){const e=[];for(const i in t){const n=t[i];delete n.metadata,e.push(n)}return e}}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)),!0===e)for(let e=0;e<t.children.length;e++){const i=t.children[e];this.add(i.clone())}return this}}zi.DEFAULT_UP=new ke(0,1,0),zi.DEFAULT_MATRIX_AUTO_UPDATE=!0,zi.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;const Vi=new ke,Wi=new ke,qi=new ke,Xi=new ke,ji=new ke,Yi=new ke,Ki=new ke,Ji=new ke,$i=new ke,Zi=new ke;class tn{constructor(t=new ke,e=new ke,i=new ke){this.a=t,this.b=e,this.c=i}static getNormal(t,e,i,n){n.subVectors(i,e),Vi.subVectors(t,e),n.cross(Vi);const r=n.lengthSq();return r>0?n.multiplyScalar(1/Math.sqrt(r)):n.set(0,0,0)}static getBarycoord(t,e,i,n,r){Vi.subVectors(n,e),Wi.subVectors(i,e),qi.subVectors(t,e);const s=Vi.dot(Vi),a=Vi.dot(Wi),o=Vi.dot(qi),l=Wi.dot(Wi),c=Wi.dot(qi),h=s*l-a*a;if(0===h)return r.set(0,0,0),null;const u=1/h,d=(l*o-a*c)*u,A=(s*c-a*o)*u;return r.set(1-d-A,A,d)}static containsPoint(t,e,i,n){return null!==this.getBarycoord(t,e,i,n,Xi)&&(Xi.x>=0&&Xi.y>=0&&Xi.x+Xi.y<=1)}

17static getInterpolation(t,e,i,n,r,s,a,o){return null===this.getBarycoord(t,e,i,n,Xi)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Xi.x),o.addScaledVector(s,Xi.y),o.addScaledVector(a,Xi.z),o)}static isFrontFacing(t,e,i,n){return Vi.subVectors(i,e),Wi.subVectors(t,e),Vi.cross(Wi).dot(n)<0}set(t,e,i){return this.a.copy(t),this.b.copy(e),this.c.copy(i),this}setFromPointsAndIndices(t,e,i,n){return this.a.copy(t[e]),this.b.copy(t[i]),this.c.copy(t[n]),this}setFromAttributeAndIndices(t,e,i,n){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,i),this.c.fromBufferAttribute(t,n),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 Vi.subVectors(this.c,this.b),Wi.subVectors(this.a,this.b),.5*Vi.cross(Wi).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return tn.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return tn.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,i,n,r){return tn.getInterpolation(t,this.a,this.b,this.c,e,i,n,r)}containsPoint(t){return tn.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return tn.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const i=this.a,n=this.b,r=this.c;let s,a;ji.subVectors(n,i),Yi.subVectors(r,i),Ji.subVectors(t,i);const o=ji.dot(Ji),l=Yi.dot(Ji);if(o<=0&&l<=0)return e.copy(i);$i.subVectors(t,n);const c=ji.dot($i),h=Yi.dot($i);if(c>=0&&h<=c)return e.copy(n);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(i).addScaledVector(ji,s);Zi.subVectors(t,r);const d=ji.dot(Zi),A=Yi.dot(Zi);if(A>=0&&d<=A)return e.copy(r);const p=d*l-o*A;if(p<=0&&l>=0&&A<=0)return a=l/(l-A),e.copy(i).addScaledVector(Yi,a);const m=c*A-d*h;if(m<=0&&h-c>=0&&d-A>=0)return Ki.subVectors(r,n),a=(h-c)/(h-c+(d-A)),e.copy(n).addScaledVector(Ki,a);const g=1/(m+p+u);return s=p*g,a=u*g,e.copy(i).addScaledVector(ji,s).addScaledVector(Yi,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const en={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},nn={h:0,s:0,l:0},rn={h:0,s:0,l:0};function sn(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+6*(e-t)*(2/3-i):t}class an{constructor(t,e,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,i)}set(t,e,i){if(void 0===e&&void 0===i){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,i);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Lt){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Ce.toWorkingColorSpace(this,e),this}setRGB(t,e,i,n=Ce.workingColorSpace){return this.r=t,this.g=e,this.b=i,Ce.toWorkingColorSpace(this,n),this}setHSL(t,e,i,n=Ce.workingColorSpace){if(t=oe(t,1),e=ae(e,0,1),i=ae(i,0,1),0===e)this.r=this.g=this.b=i;else{const n=i<=.5?i*(1+e):i+e-i*e,r=2*i-n;this.r=sn(r,n,t+1/3),this.g=sn(r,n,t),this.b=sn(r,n,t-1/3)}return Ce.toWorkingColorSpace(this,n),this}setStyle(t,e=Lt){function i(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let n;if(n=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const s=n[1],a=n[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:console.warn("THREE.Color: Unknown color model "+t)}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(t)){const i=n[1],r=i.length;if(3===r)return this.setRGB(parseInt(i.charAt(0),16)/15,parseInt(i.charAt(1),16)/15,parseInt(i.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(i,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=Lt){const i=en[t.toLowerCase()];return void 0!==i?this.setHex(i,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=Ie(t.r),this.g=Ie(t.g),this.b=Ie(t.b),this}copyLinearToSRGB(t){return this.r=Me(t.r),this.g=Me(t.g),this.b=Me(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Lt){return Ce.fromWorkingColorSpace(on.copy(this),t),65536*Math.round(ae(255*on.r,0,255))+256*Math.round(ae(255*on.g,0,255))+Math.round(ae(255*on.b,0,255))}getHexString(t=Lt){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Ce.workingColorSpace){Ce.fromWorkingColorSpace(on.copy(this),e);const i=on.r,n=on.g,r=on.b,s=Math.max(i,n,r),a=Math.min(i,n,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=c<=.5?t/(s+a):t/(2-s-a),s){case i:o=(n-r)/t+(n<r?6:0);break;case n:o=(r-i)/t+2;break;case r:o=(i-n)/t+4}o/=6}return t.h=o,t.s=l,t.l=c,t}getRGB(t,e=Ce.workingColorSpace){return Ce.fromWorkingColorSpace(on.copy(this),e),t.r=on.r,t.g=on.g,t.b=on.b,t}getStyle(t=Lt){Ce.fromWorkingColorSpace(on.copy(this),t);const e=on.r,i=on.g,n=on.b;return t!==Lt?`color(${t} ${e.toFixed(3)} ${i.toFixed(3)} ${n.toFixed(3)})`:`rgb(${Math.round(255*e)},${Math.round(255*i)},${Math.round(255*n)})`}offsetHSL(t,e,i){return this.getHSL(nn),this.setHSL(nn.h+t,nn.s+e,nn.l+i)}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,i){return this.r=t.r+(e.r-t.r)*i,this.g=t.g+(e.g-t.g)*i,this.b=t.b+(e.b-t.b)*i,this}lerpHSL(t,e){this.getHSL(nn),t.getHSL(rn);const i=le(nn.h,rn.h,e),n=le(nn.s,rn.s,e),r=le(nn.l,rn.l,e);return this.setHSL(i,n,r),this}setFromVector3(t){return this.r=t.x,this.g=t.y,this.b=t.z,this}applyMatrix3(t){const e=this.r,i=this.g,n=this.b,r=t.elements;return this.r=r[0]*e+r[3]*i+r[6]*n,this.g=r[1]*e+r[4]*i+r[7]*n,this.b=r[2]*e+r[5]*i+r[8]*n,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 on=new an;an.NAMES=en;let ln=0;class cn extends te{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:ln++}),this.uuid=se(),this.name="",this.type="Material",this.blending=1,this.side=o,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=h,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new an(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=Gt,this.stencilZFail=Gt,this.stencilZPass=Gt,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}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const i=t[e];if(void 0===i){console.warn(`THREE.Material: parameter '${e}' has value of undefined.`);continue}const n=this[e];void 0!==n?n&&n.isColor?n.set(i):n&&n.isVector3&&i&&i.isVector3?n.copy(i):this[e]=i:console.warn(`THREE.Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const i={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function n(t){const e=[];for(const i in t){const n=t[i];delete n.metadata,e.push(n)}return e}

17if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),void 0!==this.roughness&&(i.roughness=this.roughness),void 0!==this.metalness&&(i.metalness=this.metalness),void 0!==this.sheen&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(i.shininess=this.shininess),void 0!==this.clearcoat&&(i.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.iridescence&&(i.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(i.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(i.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(t).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(t).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(t).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(t).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(t).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(i.combine=this.combine)),void 0!==this.envMapRotation&&(i.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(i.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(i.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(i.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(i.size=this.size),null!==this.shadowSide&&(i.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(i.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(i.blending=this.blending),this.side!==o&&(i.side=this.side),!0===this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),!0===this.transparent&&(i.transparent=!0),204!==this.blendSrc&&(i.blendSrc=this.blendSrc),205!==this.blendDst&&(i.blendDst=this.blendDst),this.blendEquation!==h&&(i.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(i.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&

17(i.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(i.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(i.depthFunc=this.depthFunc),!1===this.depthTest&&(i.depthTest=this.depthTest),!1===this.depthWrite&&(i.depthWrite=this.depthWrite),!1===this.colorWrite&&(i.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(i.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(i.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(i.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==Gt&&(i.stencilFail=this.stencilFail),this.stencilZFail!==Gt&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==Gt&&(i.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(i.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(i.rotation=this.rotation),!0===this.polygonOffset&&(i.polygonOffset=!0),0!==this.polygonOffsetFactor&&(i.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(i.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(i.linewidth=this.linewidth),void 0!==this.dashSize&&(i.dashSize=this.dashSize),void 0!==this.gapSize&&(i.gapSize=this.gapSize),void 0!==this.scale&&(i.scale=this.scale),!0===this.dithering&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),!0===this.alphaHash&&(i.alphaHash=!0),!0===this.alphaToCoverage&&(i.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(i.premultipliedAlpha=!0),!0===this.forceSinglePass&&(i.forceSinglePass=!0),!0===this.wireframe&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(i.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(i.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(i.flatShading=!0),!1===this.visible&&(i.visible=!1),!1===this.toneMapped&&(i.toneMapped=!1),!1===this.fog&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData),e){const e=n(t.textures),r=n(t.images);e.length>0&&(i.textures=e),r.length>0&&(i.images=r)}return i}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 i=null;if(null!==e){const t=e.length;i=new Array(t);for(let n=0;n!==t;++n)i[n]=e[n].clone()}return this.clippingPlanes=i,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){!0===t&&this.version++}}class hn extends cn{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new an(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 Mi,this.combine=b,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 un=dn();function dn(){const t=new ArrayBuffer(4),e=new Float32Array(t),i=new Uint32Array(t),n=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(n[t]=0,n[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(n[t]=1024>>-e-14,n[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(n[t]=e+15<<10,n[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(n[t]=31744,n[256|t]=64512,r[t]=24,r[256|t]=24):(n[t]=31744,n[256|t]=64512,r[t]=13,r[256|t]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,i=0;for(;!(8388608&e);)e<<=1,i-=8388608;e&=-8388609,i+=947912704,s[t]=e|i}for(let t=1024;t<2048;++t)s[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:i,baseTable:n,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}const An={toHalfFloat:function(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=ae(t,-65504,65504),un.floatView[0]=t;const e=un.uint32View[0],i=e>>23&511;return un.baseTable[i]+((8388607&e)>>un.shiftTable[i])},fromHalfFloat:function(t){const e=t>>10;return un.uint32View[0]=un.mantissaTable[un.offsetTable[e]+(1023&t)]+un.exponentTable[e],un.floatView[0]}},pn=new ke,mn=new de;class gn{constructor(t,e,i=!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=void 0!==t?t.length/e:0,this.normalized=i,this.usage=Kt,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=nt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return _e("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,i){t*=this.itemSize,i*=e.itemSize;for(let n=0,r=this.itemSize;n<r;n++)this.array[t+n]=e.array[i+n];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,i=this.count;e<i;e++)mn.fromBufferAttribute(this,e),mn.applyMatrix3(t),this.setXY(e,mn.x,mn.y);else if(3===this.itemSize)for(let e=0,i=this.count;e<i;e++)pn.fromBufferAttribute(this,e),pn.applyMatrix3(t),this.setXYZ(e,pn.x,pn.y,pn.z);return this}applyMatrix4(t){for(let e=0,i=this.count;e<i;e++)pn.fromBufferAttribute(this,e),pn.applyMatrix4(t),this.setXYZ(e,pn.x,pn.y,pn.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)pn.fromBufferAttribute(this,e),pn.applyNormalMatrix(t),this.setXYZ(e,pn.x,pn.y,pn.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)pn.fromBufferAttribute(this,e),pn.transformDirection(t),this.setXYZ(e,pn.x,pn.y,pn.z);return this}set(t,e=0){return this.array.set(t,e),this}getComponent(t,e){let i=this.array[t*this.itemSize+e];return this.normalized&&(i=ce(i,this.array)),i}setComponent(t,e,i){return this.normalized&&(i=he(i,this.array)),this.array[t*this.itemSize+e]=i,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=ce(e,this.array)),e}setX(t,e){return this.normalized&&(e=he(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=ce(e,this.array)),e}setY(t,e){return this.normalized&&(e=he(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=ce(e,this.array)),e}setZ(t,e){return this.normalized&&(e=he(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=ce(e,this.array)),e}setW(t,e){return this.normalized&&(e=he(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,i){return t*=this.itemSize,this.normalized&&(e=he(e,this.array),i=he(i,this.array)),this.array[t+0]=e,this.array[t+1]=i,this}setXYZ(t,e,i,n){return t*=this.itemSize,this.normalized&&(e=he(e,this.array),i=he(i,this.array),n=he(n,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=n,this}setXYZW(t,e,i,n,r){return t*=this.itemSize,this.normalized&&(e=he(e,this.array),i=he(i,this.array),n=he(n,this.array),r=he(r,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=n,this.array[t+3]=r,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!==Kt&&(t.usage=this.usage),t}}class fn extends gn{constructor(t,e,i){super(new Uint16Array(t),e,i)}}class vn extends gn{constructor(t,e,i){super(new Uint32Array(t),e,i)}}class _n extends gn{constructor(t,e,i){super(new Float32Array(t),e,i)}}let yn=0;const En=new gi,xn=new zi,Sn=new ke,Cn=new ze,In=new ze,Mn=new ke;class wn extends te{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:yn++}),this.uuid=se(),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(me(t)?vn:fn)(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 void 0!==this.attributes[t]}addGroup(t,e,i=0){this.groups.push({start:t,count:e,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const i=this.attributes.normal;if(void 0!==i){const e=(new Ae).getNormalMatrix(t);i.applyNormalMatrix(e),i.needsUpdate=!0}const n=this.attributes.tangent;return void 0!==n&&(n.transformDirection(t),n.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return En.makeRotationFromQuaternion(t),this.applyMatrix4(En),this}rotateX(t){return En.makeRotationX(t),this.applyMatrix4(En),this}rotateY(t){return En.makeRotationY(t),this.applyMatrix4(En),this}rotateZ(t){return En.makeRotationZ(t),this.applyMatrix4(En),this}

17translate(t,e,i){return En.makeTranslation(t,e,i),this.applyMatrix4(En),this}scale(t,e,i){return En.makeScale(t,e,i),this.applyMatrix4(En),this}lookAt(t){return xn.lookAt(t),xn.updateMatrix(),this.applyMatrix4(xn.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Sn).negate(),this.translate(Sn.x,Sn.y,Sn.z),this}setFromPoints(t){const e=[];for(let i=0,n=t.length;i<n;i++){const n=t[i];e.push(n.x,n.y,n.z||0)}return this.setAttribute("position",new _n(e,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new ze);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error("THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),void this.boundingBox.set(new ke(-1/0,-1/0,-1/0),new ke(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];Cn.setFromBufferAttribute(i),this.morphTargetsRelative?(Mn.addVectors(this.boundingBox.min,Cn.min),this.boundingBox.expandByPoint(Mn),Mn.addVectors(this.boundingBox.max,Cn.max),this.boundingBox.expandByPoint(Mn)):(this.boundingBox.expandByPoint(Cn.min),this.boundingBox.expandByPoint(Cn.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(){null===this.boundingSphere&&(this.boundingSphere=new oi);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error("THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),void this.boundingSphere.set(new ke,1/0);if(t){const i=this.boundingSphere.center;if(Cn.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];In.setFromBufferAttribute(i),this.morphTargetsRelative?(Mn.addVectors(Cn.min,In.min),Cn.expandByPoint(Mn),Mn.addVectors(Cn.max,In.max),Cn.expandByPoint(Mn)):(Cn.expandByPoint(In.min),Cn.expandByPoint(In.max))}Cn.getCenter(i);let n=0;for(let e=0,r=t.count;e<r;e++)Mn.fromBufferAttribute(t,e),n=Math.max(n,i.distanceToSquared(Mn));if(e)for(let r=0,s=e.length;r<s;r++){const s=e[r],a=this.morphTargetsRelative;for(let e=0,r=s.count;e<r;e++)Mn.fromBufferAttribute(s,e),a&&(Sn.fromBufferAttribute(t,e),Mn.add(Sn)),n=Math.max(n,i.distanceToSquared(Mn))}this.boundingSphere.radius=Math.sqrt(n),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(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const i=e.position,n=e.normal,r=e.uv;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new gn(new Float32Array(4*i.count),4));const s=this.getAttribute("tangent"),a=[],o=[];for(let t=0;t<i.count;t++)a[t]=new ke,o[t]=new ke;const l=new ke,c=new ke,h=new ke,u=new de,d=new de,A=new de,p=new ke,m=new ke;function g(t,e,n){l.fromBufferAttribute(i,t),c.fromBufferAttribute(i,e),h.fromBufferAttribute(i,n),u.fromBufferAttribute(r,t),d.fromBufferAttribute(r,e),A.fromBufferAttribute(r,n),c.sub(l),h.sub(l),d.sub(u),A.sub(u);const s=1/(d.x*A.y-A.x*d.y);isFinite(s)&&(p.copy(c).multiplyScalar(A.y).addScaledVector(h,-d.y).multiplyScalar(s),m.copy(h).multiplyScalar(d.x).addScaledVector(c,-A.x).multiplyScalar(s),a[t].add(p),a[e].add(p),a[n].add(p),o[t].add(m),o[e].add(m),o[n].add(m))}let f=this.groups;0===f.length&&(f=[{start:0,count:t.count}]);for(let e=0,i=f.length;e<i;++e){const i=f[e],n=i.start;for(let e=n,r=n+i.count;e<r;e+=3)g(t.getX(e+0),t.getX(e+1),t.getX(e+2))}const v=new ke,_=new ke,y=new ke,E=new ke;function x(t){y.fromBufferAttribute(n,t),E.copy(y);const e=a[t];v.copy(e),v.sub(y.multiplyScalar(y.dot(e))).normalize(),_.crossVectors(E,e);const i=_.dot(o[t])<0?-1:1;s.setXYZW(t,v.x,v.y,v.z,i)}for(let e=0,i=f.length;e<i;++e){const i=f[e],n=i.start;for(let e=n,r=n+i.count;e<r;e+=3)x(t.getX(e+0)),x(t.getX(e+1)),x(t.getX(e+2))}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let i=this.getAttribute("normal");if(void 0===i)i=new gn(new Float32Array(3*e.count),3),this.setAttribute("normal",i);else for(let t=0,e=i.count;t<e;t++)i.setXYZ(t,0,0,0);const n=new ke,r=new ke,s=new ke,a=new ke,o=new ke,l=new ke,c=new ke,h=new ke;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),A=t.getX(u+1),p=t.getX(u+2);n.fromBufferAttribute(e,d),r.fromBufferAttribute(e,A),s.fromBufferAttribute(e,p),c.subVectors(s,r),h.subVectors(n,r),c.cross(h),a.fromBufferAttribute(i,d),o.fromBufferAttribute(i,A),l.fromBufferAttribute(i,p),a.add(c),o.add(c),l.add(c),i.setXYZ(d,a.x,a.y,a.z),i.setXYZ(A,o.x,o.y,o.z),i.setXYZ(p,l.x,l.y,l.z)}else for(let t=0,a=e.count;t<a;t+=3)n.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),s.fromBufferAttribute(e,t+2),c.subVectors(s,r),h.subVectors(n,r),c.cross(h),i.setXYZ(t+0,c.x,c.y,c.z),i.setXYZ(t+1,c.x,c.y,c.z),i.setXYZ(t+2,c.x,c.y,c.z);this.normalizeNormals(),i.needsUpdate=!0}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,i=t.count;e<i;e++)Mn.fromBufferAttribute(t,e),Mn.normalize(),t.setXYZ(e,Mn.x,Mn.y,Mn.z)}toNonIndexed(){function t(t,e){const i=t.array,n=t.itemSize,r=t.normalized,s=new i.constructor(e.length*n);let a=0,o=0;for(let r=0,l=e.length;r<l;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*n;for(let t=0;t<n;t++)s[o++]=i[a++]}return new gn(s,n,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new wn,i=this.index.array,n=this.attributes;for(const r in n){const s=t(n[r],i);e.setAttribute(r,s)}const r=this.morphAttributes;for(const n in r){const s=[],a=r[n];for(let e=0,n=a.length;e<n;e++){const n=t(a[e],i);s.push(n)}e.morphAttributes[n]=s}e.morphTargetsRelative=this.morphTargetsRelative;const s=this.groups;for(let t=0,i=s.length;t<i;t++){const i=s[t];e.addGroup(i.start,i.count,i.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),void 0!==this.parameters){const e=this.parameters;for(const i in e)void 0!==e[i]&&(t[i]=e[i]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const i=this.attributes;for(const e in i){const n=i[e];t.data.attributes[e]=n.toJSON(t.data)}const n={};let r=!1;for(const e in this.morphAttributes){const i=this.morphAttributes[e],s=[];for(let e=0,n=i.length;e<n;e++){const n=i[e];s.push(n.toJSON(t.data))}s.length>0&&(n[e]=s,r=!0)}r&&(t.data.morphAttributes=n,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(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 i=t.index;null!==i&&this.setIndex(i.clone(e));const n=t.attributes;for(const t in n){const i=n[t];this.setAttribute(t,i.clone(e))}const r=t.morphAttributes;for(const t in r){const i=[],n=r[t];for(let t=0,r=n.length;t<r;t++)i.push(n[t].clone(e));this.morphAttributes[t]=i}this.morphTargetsRelative=t.morphTargetsRelative;const s=t.groups;for(let t=0,e=s.length;t<e;t++){const e=s[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}const bn=new gi,Tn=new mi,Bn=new oi,Rn=new ke,Dn=new ke,Ln=new ke,Un=new ke,Pn=new ke,Nn=new ke,Fn=new de,Qn=new de,On=new de,kn=new ke,G

17n=new ke,Hn=new ke,zn=new ke,Vn=new ke;class Wn extends zi{constructor(t=new wn,e=new hn){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}getVertexPosition(t,e){const i=this.geometry,n=i.attributes.position,r=i.morphAttributes.position,s=i.morphTargetsRelative;e.fromBufferAttribute(n,t);const a=this.morphTargetInfluences;if(r&&a){Nn.set(0,0,0);for(let i=0,n=r.length;i<n;i++){const n=a[i],o=r[i];0!==n&&(Pn.fromBufferAttribute(o,t),s?Nn.addScaledVector(Pn,n):Nn.addScaledVector(Pn.sub(e),n))}e.add(Nn)}return e}raycast(t,e){const i=this.geometry,n=this.material,r=this.matrixWorld;if(void 0!==n){if(null===i.boundingSphere&&i.computeBoundingSphere(),Bn.copy(i.boundingSphere),Bn.applyMatrix4(r),Tn.copy(t.ray).recast(t.near),!1===Bn.containsPoint(Tn.origin)){if(null===Tn.intersectSphere(Bn,Rn))return;if(Tn.origin.distanceToSquared(Rn)>(t.far-t.near)**2)return}bn.copy(r).invert(),Tn.copy(t.ray).applyMatrix4(bn),null!==i.boundingBox&&!1===Tn.intersectsBox(i.boundingBox)||this._computeIntersections(t,e,Tn)}}_computeIntersections(t,e,i){let n;const r=this.geometry,s=this.material,a=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(s))for(let r=0,o=u.length;r<o;r++){const o=u[r],A=s[o.materialIndex];for(let r=Math.max(o.start,d.start),s=Math.min(a.count,Math.min(o.start+o.count,d.start+d.count));r<s;r+=3){n=qn(this,A,t,i,l,c,h,a.getX(r),a.getX(r+1),a.getX(r+2)),n&&(n.faceIndex=Math.floor(r/3),n.face.materialIndex=o.materialIndex,e.push(n))}}else{for(let r=Math.max(0,d.start),o=Math.min(a.count,d.start+d.count);r<o;r+=3){n=qn(this,s,t,i,l,c,h,a.getX(r),a.getX(r+1),a.getX(r+2)),n&&(n.faceIndex=Math.floor(r/3),e.push(n))}}else if(void 0!==o)if(Array.isArray(s))for(let r=0,a=u.length;r<a;r++){const a=u[r],A=s[a.materialIndex];for(let r=Math.max(a.start,d.start),s=Math.min(o.count,Math.min(a.start+a.count,d.start+d.count));r<s;r+=3){n=qn(this,A,t,i,l,c,h,r,r+1,r+2),n&&(n.faceIndex=Math.floor(r/3),n.face.materialIndex=a.materialIndex,e.push(n))}}else{for(let r=Math.max(0,d.start),a=Math.min(o.count,d.start+d.count);r<a;r+=3){n=qn(this,s,t,i,l,c,h,r,r+1,r+2),n&&(n.faceIndex=Math.floor(r/3),e.push(n))}}}}function qn(t,e,i,n,r,s,a,c,h,u){t.getVertexPosition(c,Dn),t.getVertexPosition(h,Ln),t.getVertexPosition(u,Un);const d=function(t,e,i,n,r,s,a,c){let h;if(h=e.side===l?n.intersectTriangle(a,s,r,!0,c):n.intersectTriangle(r,s,a,e.side===o,c),null===h)return null;Vn.copy(c),Vn.applyMatrix4(t.matrixWorld);const u=i.ray.origin.distanceTo(Vn);return u<i.near||u>i.far?null:{distance:u,point:Vn.clone(),object:t}}(t,e,i,n,Dn,Ln,Un,zn);if(d){r&&(Fn.fromBufferAttribute(r,c),Qn.fromBufferAttribute(r,h),On.fromBufferAttribute(r,u),d.uv=tn.getInterpolation(zn,Dn,Ln,Un,Fn,Qn,On,new de)),s&&(Fn.fromBufferAttribute(s,c),Qn.fromBufferAttribute(s,h),On.fromBufferAttribute(s,u),d.uv1=tn.getInterpolation(zn,Dn,Ln,Un,Fn,Qn,On,new de)),a&&(kn.fromBufferAttribute(a,c),Gn.fromBufferAttribute(a,h),Hn.fromBufferAttribute(a,u),d.normal=tn.getInterpolation(zn,Dn,Ln,Un,kn,Gn,Hn,new ke),d.normal.dot(n.direction)>0&&d.normal.multiplyScalar(-1));const t={a:c,b:h,c:u,normal:new ke,materialIndex:0};tn.getNormal(Dn,Ln,Un,t.normal),d.face=t}return d}class Xn extends wn{constructor(t=1,e=1,i=1,n=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:i,widthSegments:n,heightSegments:r,depthSegments:s};const a=this;n=Math.floor(n),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function A(t,e,i,n,r,s,A,p,m,g,f){const v=s/m,_=A/g,y=s/2,E=A/2,x=p/2,S=m+1,C=g+1;let I=0,M=0;const w=new ke;for(let s=0;s<C;s++){const a=s*_-E;for(let o=0;o<S;o++){const u=o*v-y;w[t]=u*n,w[e]=a*r,w[i]=x,l.push(w.x,w.y,w.z),w[t]=0,w[e]=0,w[i]=p>0?1:-1,c.push(w.x,w.y,w.z),h.push(o/m),h.push(1-s/g),I+=1}}for(let t=0;t<g;t++)for(let e=0;e<m;e++){const i=u+e+S*t,n=u+e+S*(t+1),r=u+(e+1)+S*(t+1),s=u+(e+1)+S*t;o.push(i,n,s),o.push(n,r,s),M+=6}a.addGroup(d,M,f),d+=M,u+=I}A("z","y","x",-1,-1,i,e,t,s,r,0),A("z","y","x",1,-1,i,e,-t,s,r,1),A("x","z","y",1,1,t,i,e,n,s,2),A("x","z","y",1,-1,t,i,-e,n,s,3),A("x","y","z",1,-1,t,e,i,n,r,4),A("x","y","z",-1,-1,t,e,-i,n,r,5),this.setIndex(o),this.setAttribute("position",new _n(l,3)),this.setAttribute("normal",new _n(c,3)),this.setAttribute("uv",new _n(h,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Xn(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}function jn(t){const e={};for(const i in t){e[i]={};for(const n in t[i]){const r=t[i][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()."),e[i][n]=null):e[i][n]=r.clone():Array.isArray(r)?e[i][n]=r.slice():e[i][n]=r}}return e}function Yn(t){const e={};for(let i=0;i<t.length;i++){const n=jn(t[i]);for(const t in n)e[t]=n[t]}return e}function Kn(t){const e=t.getRenderTarget();return null===e?t.outputColorSpace:!0===e.isXRRenderTarget?e.texture.colorSpace:Ce.workingColorSpace}const Jn={clone:jn,merge:Yn};class $n extends cn{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",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,void 0!==t&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=jn(t.uniforms),this.uniformsGroups=function(t){const e=[];for(let i=0;i<t.length;i++)e.push(t[i].clone());return e}(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 i in this.uniforms){const n=this.uniforms[i].value;n&&n.isTexture?e.uniforms[i]={type:"t",value:n.toJSON(t).uuid}:n&&n.isColor?e.uniforms[i]={type:"c",value:n.getHex()}:n&&n.isVector2?e.uniforms[i]={type:"v2",value:n.toArray()}:n&&n.isVector3?e.uniforms[i]={type:"v3",value:n.toArray()}:n&&n.isVector4?e.uniforms[i]={type:"v4",value:n.toArray()}:n&&n.isMatrix3?e.uniforms[i]={type:"m3",value:n.toArray()}:n&&n.isMatrix4?e.uniforms[i]={type:"m4",value:n.toArray()}:e.uniforms[i]={value:n}}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 i={};for(const t in this.extensions)!0===this.extensions[t]&&(i[t]=!0);return Object.keys(i).length>0&&(e.extensions=i),e}}class Zn extends zi{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new gi,this.projectionMatrix=new gi,this.projectionMatrixInverse=new gi,this.coordinateSystem=$t}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 tr=new ke,er=new de,ir=new de;class nr extends Zn{constructor(t=50,e=1,i=.1,n=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=i,this.far=n,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=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*re*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*ne*this.fov);return.5*this.getFilmHeight()/t}

17getEffectiveFOV(){return 2*re*Math.atan(Math.tan(.5*ne*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,i){tr.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(tr.x,tr.y).multiplyScalar(-t/tr.z),tr.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(tr.x,tr.y).multiplyScalar(-t/tr.z)}getViewSize(t,e){return this.getViewBounds(t,er,ir),e.subVectors(ir,er)}setViewOffset(t,e,i,n,r,s){this.aspect=t/e,null===this.view&&(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=i,this.view.offsetY=n,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*ne*this.fov)/this.zoom,i=2*e,n=this.aspect*i,r=-.5*n;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*n/t,e-=s.offsetY*i/a,n*=s.width/t,i*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+n,e,e-i,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,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const rr=-90;class sr extends zi{constructor(t,e,i){super(),this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;const n=new nr(rr,1,t,e);n.layers=this.layers,this.add(n);const r=new nr(rr,1,t,e);r.layers=this.layers,this.add(r);const s=new nr(rr,1,t,e);s.layers=this.layers,this.add(s);const a=new nr(rr,1,t,e);a.layers=this.layers,this.add(a);const o=new nr(rr,1,t,e);o.layers=this.layers,this.add(o);const l=new nr(rr,1,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[i,n,r,s,a,o]=e;for(const t of e)this.remove(t);if(t===$t)i.up.set(0,1,0),i.lookAt(1,0,0),n.up.set(0,1,0),n.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),s.up.set(0,0,1),s.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==Zt)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);i.up.set(0,-1,0),i.lookAt(-1,0,0),n.up.set(0,-1,0),n.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),s.up.set(0,0,-1),s.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:i,activeMipmapLevel:n}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,s,a,o,l,c]=this.children,h=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),A=t.xr.enabled;t.xr.enabled=!1;const p=i.texture.generateMipmaps;i.texture.generateMipmaps=!1,t.setRenderTarget(i,0,n),t.render(e,r),t.setRenderTarget(i,1,n),t.render(e,s),t.setRenderTarget(i,2,n),t.render(e,a),t.setRenderTarget(i,3,n),t.render(e,o),t.setRenderTarget(i,4,n),t.render(e,l),i.texture.generateMipmaps=p,t.setRenderTarget(i,5,n),t.render(e,c),t.setRenderTarget(h,u,d),t.xr.enabled=A,i.texture.needsPMREMUpdate=!0}}class ar extends Le{constructor(t,e,i,n,r,s,a,o,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:G,i,n,r,s,a,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class or extends Ne{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const i={width:t,height:t,depth:1},n=[i,i,i,i,i,i];this.texture=new ar(n,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=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:J}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace

17=e.colorSpace,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const i={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},n=new Xn(5,5,5),r=new $n({name:"CubemapFromEquirect",uniforms:jn(i.uniforms),vertexShader:i.vertexShader,fragmentShader:i.fragmentShader,side:l,blending:0});r.uniforms.tEquirect.value=e;const s=new Wn(n,r),a=e.minFilter;e.minFilter===Z&&(e.minFilter=J);return new sr(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,i,n){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,i,n);t.setRenderTarget(r)}}const lr=new ke,cr=new ke,hr=new Ae;class ur{constructor(t=new ke(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,i,n){return this.normal.set(t,e,i),this.constant=n,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,i){const n=lr.subVectors(i,e).cross(cr.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(n,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 i=t.delta(lr),n=this.normal.dot(i);if(0===n)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/n;return r<0||r>1?null:e.copy(t.start).addScaledVector(i,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),i=this.distanceToPoint(t.end);return e<0&&i>0||i<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 i=e||hr.getNormalMatrix(t),n=this.coplanarPoint(lr).applyMatrix4(t),r=this.normal.applyMatrix3(i).normalize();return this.constant=-n.dot(r),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 dr=new oi,Ar=new ke;class pr{constructor(t=new ur,e=new ur,i=new ur,n=new ur,r=new ur,s=new ur){this.planes=[t,e,i,n,r,s]}set(t,e,i,n,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(i),a[3].copy(n),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let i=0;i<6;i++)e[i].copy(t.planes[i]);return this}setFromProjectionMatrix(t,e=2e3){const i=this.planes,n=t.elements,r=n[0],s=n[1],a=n[2],o=n[3],l=n[4],c=n[5],h=n[6],u=n[7],d=n[8],A=n[9],p=n[10],m=n[11],g=n[12],f=n[13],v=n[14],_=n[15];if(i[0].setComponents(o-r,u-l,m-d,_-g).normalize(),i[1].setComponents(o+r,u+l,m+d,_+g).normalize(),i[2].setComponents(o+s,u+c,m+A,_+f).normalize(),i[3].setComponents(o-s,u-c,m-A,_-f).normalize(),i[4].setComponents(o-a,u-h,m-p,_-v).normalize(),e===$t)i[5].setComponents(o+a,u+h,m+p,_+v).normalize();else{if(e!==Zt)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);i[5].setComponents(a,h,p,v).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),dr.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),dr.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(dr)}intersectsSprite(t){return dr.center.set(0,0,0),dr.radius=.7071067811865476,dr.applyMatrix4(t.matrixWorld),this.intersectsSphere(dr)}intersectsSphere(t){const e=this.planes,i=t.center,n=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(i)<n)return!1}return!0}intersectsBox(t){const e=this.planes;for(let i=0;i<6;i++){const n=e[i];if(Ar.x=n.normal.x>0?t.max.x:t.min.x,Ar.y=n.normal.y>0?t.max.y:t.min.y,Ar.z=n.normal.z>0?t.max.z:t.min.z,n.distanceToPoint(Ar)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let i=0;i<6;i++)if(e[i].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function mr(){let t=null,e=!1,i=null,n=null;

17function r(e,s){i(e,s),n=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==i&&(n=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(n),e=!1},setAnimationLoop:function(t){i=t},setContext:function(e){t=e}}}function gr(t){const e=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),e.get(t)},remove:function(i){i.isInterleavedBufferAttribute&&(i=i.data);const n=e.get(i);n&&(t.deleteBuffer(n.buffer),e.delete(i))},update:function(i,n){if(i.isGLBufferAttribute){const t=e.get(i);return void((!t||t.version<i.version)&&e.set(i,{buffer:i.buffer,type:i.type,bytesPerElement:i.elementSize,version:i.version}))}i.isInterleavedBufferAttribute&&(i=i.data);const r=e.get(i);if(void 0===r)e.set(i,function(e,i){const n=e.array,r=e.usage,s=n.byteLength,a=t.createBuffer();let o;if(t.bindBuffer(i,a),t.bufferData(i,n,r),e.onUploadCallback(),n instanceof Float32Array)o=t.FLOAT;else if(n instanceof Uint16Array)o=e.isFloat16BufferAttribute?t.HALF_FLOAT:t.UNSIGNED_SHORT;else if(n instanceof Int16Array)o=t.SHORT;else if(n instanceof Uint32Array)o=t.UNSIGNED_INT;else if(n instanceof Int32Array)o=t.INT;else if(n instanceof Int8Array)o=t.BYTE;else if(n instanceof Uint8Array)o=t.UNSIGNED_BYTE;else{if(!(n instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+n);o=t.UNSIGNED_BYTE}return{buffer:a,type:o,bytesPerElement:n.BYTES_PER_ELEMENT,version:e.version,size:s}}(i,n));else if(r.version<i.version){if(r.size!==i.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.");!function(e,i,n){const r=i.array,s=i._updateRange,a=i.updateRanges;if(t.bindBuffer(n,e),-1===s.count&&0===a.length&&t.bufferSubData(n,0,r),0!==a.length){for(let e=0,i=a.length;e<i;e++){const i=a[e];t.bufferSubData(n,i.start*r.BYTES_PER_ELEMENT,r,i.start,i.count)}i.clearUpdateRanges()}-1!==s.count&&(t.bufferSubData(n,s.offset*r.BYTES_PER_ELEMENT,r,s.offset,s.count),s.count=-1),i.onUploadCallback()}(r.buffer,i,n),r.version=i.version}}}}class fr extends wn{constructor(t=1,e=1,i=1,n=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:i,heightSegments:n};const r=t/2,s=e/2,a=Math.floor(i),o=Math.floor(n),l=a+1,c=o+1,h=t/a,u=e/o,d=[],A=[],p=[],m=[];for(let t=0;t<c;t++){const e=t*u-s;for(let i=0;i<l;i++){const n=i*h-r;A.push(n,-e,0),p.push(0,0,1),m.push(i/a),m.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const i=e+l*t,n=e+l*(t+1),r=e+1+l*(t+1),s=e+1+l*t;d.push(i,n,s),d.push(n,r,s)}this.setIndex(d),this.setAttribute("position",new _n(A,3)),this.setAttribute("normal",new _n(p,3)),this.setAttribute("uv",new _n(m,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new fr(t.width,t.height,t.widthSegments,t.heightSegments)}}const vr

17={alphahash_fragment:"#ifdef USE_ALPHAHASH\n\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif",alphahash_pars_fragment:"#ifdef USE_ALPHAHASH\n\tconst float ALPHA_HASH_SCALE = 0.05;\n\tfloat hash2D( vec2 value ) {\n\t\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n\t}\n\tfloat hash3D( vec3 value ) {\n\t\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\n\t}\n\tfloat getAlphaHashThreshold( vec3 position ) {\n\t\tfloat maxDeriv = max(\n\t\t\tlength( dFdx( position.xyz ) ),\n\t\t\tlength( dFdy( position.xyz ) )\n\t\t);\n\t\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n\t\tvec2 pixScales = vec2(\n\t\t\texp2( floor( log2( pixScale ) ) ),\n\t\t\texp2( ceil( log2( pixScale ) ) )\n\t\t);\n\t\tvec2 alpha = vec2(\n\t\t\thash3D( floor( pixScales.x * position.xyz ) ),\n\t\t\thash3D( floor( pixScales.y * position.xyz ) )\n\t\t);\n\t\tfloat lerpFactor = fract( log2( pixScale ) );\n\t\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n\t\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\n\t\tvec3 cases = vec3(\n\t\t\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\n\t\t\t( x - 0.5 * a ) / ( 1.0 - a ),\n\t\t\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n\t\t);\n\t\tfloat threshold = ( x < ( 1.0 - a ) )\n\t\t\t? ( ( x < a ) ? cases.x : cases.y )\n\t\t\t: cases.z;\n\t\treturn clamp( threshold , 1.0e-6, 1.0 );\n\t}\n#endif",alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\t#ifdef ALPHA_TO_COVERAGE\n\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\n\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\tif ( diffuseColor.a < alphaTest ) discard;\n\t#endif\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_CLEARCOAT ) \n\t\tclearcoatSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_SHEEN ) \n\t\tsheenSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",batching_pars_vertex:"#ifdef USE_BATCHING\n\tattribute float batchId;\n\tuniform highp sampler2D batchingTexture;\n\tmat4 getBatchingMatrix( const in float i ) {\n\t\tint size = textureSize( batchingTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",batching_vertex:"#ifdef USE_BATCHING\n\tmat4 batchingMatrix = getBatchingMatrix( batchId );\n#endif",begin_vertex:"vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n\tvPosition = vec3( position );\n#endif",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"float G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n} // validated",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,  0.0556434,\n\t\t-1.5371385,  1.8760108, -0.2040259,\n\t\t-0.4985314,  0.0415560,  1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\treturn vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vBumpMapUv );\n\t\tvec2 dSTdy = dFdy( vBumpMapUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\n\t\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"\nconst mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3(\n\tvec3( 0.8224621, 0.177538, 0.0 ),\n\tvec3( 0.0331941, 0.9668058, 0.0 ),\n\tvec3( 0.0170827, 0.0723974, 0.9105199 )\n);\nconst mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.2249401, - 0.2249404, 0.0 ),\n\tvec3( - 0.0420569, 1.0420571, 0.0 ),\n\tvec3( - 0.0196376, - 0.0786361, 1.0982735 )\n);\nvec4 LinearSRGBToLinearDisplayP3( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a );\n}\nvec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) {\n\treturn vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a );\n}\nvec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn sRGBTransferOETF( value );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t#if defined ( LEGACY_LIGHTS )\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#else\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n    float x2 = x * x;\n    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat 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 ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alph

17aB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid 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 ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;

17\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_L

17IGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[MORPHTARGETS_COUNT];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] =  texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t#endif\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\t#ifndef USE_INSTANCING_MORPH\n\t\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\t#endif\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );

17\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;

17\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\t\n\t\tfloat lightToPositionLength = length( lightToPosition );\n\t\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t\t) * ( 1.0 / 9.0 );\n\t\t\t#else\n\t\t\t\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}

17\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;

17\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);

17\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tfloat startCompression = 0.8 - 0.04;\n\tfloat desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min(color.r, min(color.g, color.b));\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max(color.r, max(color.g, color.b));\n\tif (peak < startCompression) return color;\n\tfloat d = 1. - startCompression;\n\tfloat newPeak = 1. - d * d / (peak + d - startCompression);\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / (desaturation * (peak - newPeak) + 1.);\n\treturn mix(color, newPeak * vec3(1, 1, 1), g);\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a *  a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;

17\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;

17\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",depth_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_lambert_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;

17\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}"

17,meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <logdepthbuf_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\t#include <logdepthbuf_fragment>\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n}"},_r={common:{diffuse:{value:new an(16777215)},opacity:{value:1},map:{value:null},mapTransform:{value:new Ae},alphaMap:{value:null},alphaMapTransform:{value:new Ae},alphaTest:{value:0}},specularmap:{specularMap:{value:null},specularMapTransform:{value:new Ae}},envmap:{envMap:{value:null},envMapRotation:{value:new Ae},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1},aoMapTransform:{value:new Ae}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1},lightMapTransform:{value:new Ae}},bumpmap:{bumpMap:{value:null},bumpMapTransform:{value:new Ae},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalMapTransform:{value:new Ae},normalScale:{value:new de(1,1)}}

17,displacementmap:{displacementMap:{value:null},displacementMapTransform:{value:new Ae},displacementScale:{value:1},displacementBias:{value:0}},emissivemap:{emissiveMap:{value:null},emissiveMapTransform:{value:new Ae}},metalnessmap:{metalnessMap:{value:null},metalnessMapTransform:{value:new Ae}},roughnessmap:{roughnessMap:{value:null},roughnessMapTransform:{value:new Ae}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new 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Ae},transmission:{value:0},transmissionMap:{value:null},transmissionMapTransform:{value:new Ae},transmissionSamplerSize:{value:new de},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},thicknessMapTransform:{value:new Ae},attenuationDistance:{value:0},attenuationColor:{value:new an(0)},specularColor:{value:new an(1,1,1)},specularColorMap:{value:null},specularColorMapTransform:{value:new Ae},specularIntensity:{value:1},specularIntensityMap:{value:null},specularIntensityMapTransform:{value:new Ae},anisotropyVector:{value:new de},anisotropyMap:{value:null},anisotropyMapTransform:{value:new Ae}}]),vertexShader:vr.meshphysical_vert,fragmentShader:vr.meshphysical_frag};const Er={r:0,b:0,g:0},xr=new Mi,Sr=new gi;function Cr(t,e,i,n,r,s,a){const c=new an(0);let h,u,d=!0===s?0:1,A=null,p=0,m=null;function g(e,i){e.getRGB(Er,Kn(t)),n.buffers.color.setClear(Er.r,Er.g,Er.b,i,a)}return{getClearColor:function(){return c},setClearColor:function(t,e=1){c.set(t),d=e,g(c,d)},getClearAlpha:function(){return d},setClearAlpha:function(t){d=t,g(c,d)},render:function(s,f){let v=!1,_=!0===f.isScene?f.background:null;if(_&&_.isTexture){_=(f.backgroundBlurriness>0?i:e).get(_)}null===_?g(c,d):_&&_.isColor&&(g(_,1),v=!0);const y=t.xr.getEnvironmentBlendMode();"additive"===y?n.buffers.color.setClear(0,0,0,1,a):"alpha-blend"===y&&n.buffers.color.setClear(0,0,0,0,a),(t.autoClear||v)&&t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil),_&&(_.isCubeTexture||_.mapping===V)?(void 0===u&&(u=new Wn(new Xn(1,1,1),new $n({name:"Backgroun

17else for(let t=0;t<r.locationSize;t++)u(r.location+t);t.bindBuffer(t.ARRAY_BUFFER,c);for(let t=0;t<r.locationSize;t++)p(r.location+t,a/r.locationSize,h,n,a*A,a/r.locationSize*t*A,m)}}else if(void 0!==l){const e=l[n];if(void 0!==e)switch(e.length){case 2:t.vertexAttrib2fv(r.location,e);break;case 3:t.vertexAttrib3fv(r.location,e);break;case 4:t.vertexAttrib4fv(r.location,e);break;default:t.vertexAttrib1fv(r.location,e)}}}}A()}(i,r,l,m),null!==g&&t.bindBuffer(t.ELEMENT_ARRAY_BUFFER,e.get(g).buffer))},reset:m,resetDefaultState:g,dispose:function(){m();for(const t in n){const e=n[t];for(const t in e){const i=e[t];for(const t in i)l(i[t].object),delete i[t];delete e[t]}delete n[t]}},releaseStatesOfGeometry:function(t){if(void 0===n[t.id])return;const e=n[t.id];for(const t in e){const i=e[t];for(const t in i)l(i[t].object),delete i[t];delete e[t]}delete n[t.id]},releaseStatesOfProgram:function(t){for(const e in n){const i=n[e];if(void 0===i[t.id])continue;const r=i[t.id];for(const t in r)l(r[t].object),delete r[t];delete i[t.id]}},initAttributes:h,enableAttribute:u,disableUnusedAttributes:A}}function Mr(t,e,i){let n;this.setMode=function(t){n=t},this.render=function(e,r){t.drawArrays(n,e,r),i.update(r,n,1)},this.renderInstances=function(e,r,s){0!==s&&(t.drawArraysInstanced(n,e,r,s),i.update(r,n,s))},this.renderMultiDraw=function(t,r,s){if(0===s)return;const a=e.get("WEBGL_multi_draw");if(null===a)for(let e=0;e<s;e++)this.render(t[e],r[e]);else{a.multiDrawArraysWEBGL(n,t,0,r,0,s);let e=0;for(let t=0;t<s;t++)e+=r[t];i.update(e,n,1)}}}function wr(t,e,i){let n;function r(e){if("highp"===e){if(t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.HIGH_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.HIGH_FLOAT).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.MEDIUM_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}let s=void 0!==i.precision?i.precision:"highp";const a=r(s);a!==s&&(console.warn("THREE.WebGLRenderer:",s,"not supported, using",a,"instead."),s=a);const o=!0===i.logarithmicDepthBuffer,l=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),c=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS);return{isWebGL2:!0,getMaxAnisotropy:function(){if(void 0!==n)return n;if(!0===e.has("EXT_texture_filter_anisotropic")){const i=e.get("EXT_texture_filter_anisotropic");n=t.getParameter(i.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else n=0;return n},getMaxPrecision:r,precision:s,logarithmicDepthBuffer:o,maxTextures:l,maxVertexTextures:c,maxTextureSize:t.getParameter(t.MAX_TEXTURE_SIZE),maxCubemapSize:t.getParameter(t.MAX_CUBE_MAP_TEXTURE_SIZE),maxAttributes:t.getParameter(t.MAX_VERTEX_ATTRIBS),maxVertexUniforms:t.getParameter(t.MAX_VERTEX_UNIFORM_VECTORS),maxVaryings:t.getParameter(t.MAX_VARYING_VECTORS),maxFragmentUniforms:t.getParameter(t.MAX_FRAGMENT_UNIFORM_VECTORS),vertexTextures:c>0,maxSamples:t.getParameter(t.MAX_SAMPLES)}}function br(t){const e=this;let i=null,n=0,r=!1,s=!1;const a=new ur,o=new Ae,l={value:null,needsUpdate:!1};function c(t,i,n,r){const s=null!==t?t.length:0;let c=null;if(0!==s){if(c=l.value,!0!==r||null===c){const e=n+4*s,r=i.matrixWorldInverse;o.getNormalMatrix(r),(null===c||c.length<e)&&(c=new Float32Array(e));for(let e=0,i=n;e!==s;++e,i+=4)a.copy(t[e]).applyMatrix4(r,o),a.normal.toArray(c,i),c[i+3]=a.constant}l.value=c,l.needsUpdate=!0}return e.numPlanes=s,e.numIntersection=0,c}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(t,e){const i=0!==t.length||e||0!==n||r;return r=e,n=t.length,i},this.beginShadows=function(){s=!0,c(null)},this.endShadows=function(){s=!1},this.setGlobalState=function(t,e){i=c(t,e,0)},this.setState=function(a,o,h){const u=a.clippingPlanes,d=a.clipIntersection,A=a.clipShadows,p=t.get(a);if(!r||null===u||0===u.length||s&&!A)s?c(null):function(){l.value!==i&&(l.value=i,l.needsUpdate=n>0);e.numPlanes=n,e.numIntersection=0}();else{const t=s?0:n,e=4*t;let r=p.clippingState||null;l.value=r,r=c(u,o,e,h);for(let t=0;t!==e;++t)r[t]=i[t];p.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=t}}}function Tr(t){let e=new WeakMap;function i(t,e){return e===z?t.mapping=G:304===e&&(t.mapping=H),t}function n(t){const i=t.target;i.removeEventListener("dispose",n);const r=e.get(i);void 0!==r&&(e.delete(i),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping;if(s===z||304===s){if(e.has(r)){return i(e.get(r).texture,r.mapping)}{const s=r.image;if(s&&s.height>0){const a=new or(s.height);return a.fromEquirectangularTexture(t,r),e.set(r,a),r.addEventListener("dispose",n),i(a.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}class Br extends Zn{constructor(t=-1,e=1,i=1,n=-1,r=.1,s=2e3){super(),this.isOrthographicCamera=!0,this.type="Orthogra

17(n)),this._blurMaterial=function(t,e,i){const n=new Float32Array(Dr),r=new ke(0,1,0),s=new $n({name:"SphericalGaussianBlur",defines:{n:Dr,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/i,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:n},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Xr(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return s}(n,t,e)}return n}_compileMaterial(t){const e=new Wn(this._lodPlanes[0],t);this._renderer.compile(e,Lr)}_sceneToCubeUV(t,e,i,n){const r=new nr(90,1,e,i),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,c=o.autoClear,h=o.toneMapping;o.getClearColor(Ur),o.toneMapping=R,o.autoClear=!1;

17const u=new hn({name:"PMREM.Background",side:l,depthWrite:!1,depthTest:!1}),d=new Wn(new Xn,u);let A=!1;const p=t.background;p?p.isColor&&(u.color.copy(p),t.background=null,A=!0):(u.color.copy(Ur),A=!0);for(let e=0;e<6;e++){const i=e%3;0===i?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===i?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Vr(n,i*l,e>2?l:0,l,l),o.setRenderTarget(n),A&&o.render(d,r),o.render(t,r)}d.geometry.dispose(),d.material.dispose(),o.toneMapping=h,o.autoClear=c,t.background=p}_textureToCubeUV(t,e){const i=this._renderer,n=t.mapping===G||t.mapping===H;n?(null===this._cubemapMaterial&&(this._cubemapMaterial=qr()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Wr());const r=n?this._cubemapMaterial:this._equirectMaterial,s=new Wn(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;Vr(e,0,0,3*a,2*a),i.setRenderTarget(e),i.render(s,Lr)}_applyPMREM(t){const e=this._renderer,i=e.autoClear;e.autoClear=!1;for(let e=1;e<this._lodPlanes.length;e++){const i=Math.sqrt(this._sigmas[e]*this._sigmas[e]-this._sigmas[e-1]*this._sigmas[e-1]),n=Gr[(e-1)%Gr.length];this._blur(t,e-1,e,i,n)}e.autoClear=i}_blur(t,e,i,n,r){const s=this._pingPongRenderTarget;this._halfBlur(t,s,e,i,n,"latitudinal",r),this._halfBlur(s,t,i,i,n,"longitudinal",r)}_halfBlur(t,e,i,n,r,s,a){const o=this._renderer,l=this._blurMaterial;"latitudinal"!==s&&"longitudinal"!==s&&console.error("blur direction must be either latitudinal or longitudinal!");const c=new Wn(this._lodPlanes[n],l),h=l.uniforms,u=this._sizeLods[i]-1,d=isFinite(r)?Math.PI/(2*u):2*Math.PI/39,A=r/d,p=isFinite(r)?1+Math.floor(3*A):Dr;p>Dr&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${p} samples when the maximum is set to 20`);const m=[];let g=0;for(let t=0;t<Dr;++t){const e=t/A,i=Math.exp(-e*e/2);m.push(i),0===t?g+=i:t<p&&(g+=2*i)}for(let t=0;t<m.length;t++)m[t]=m[t]/g;h.envMap.value=t.texture,h.samples.value=p,h.weights.value=m,h.latitudinal.value="latitudinal"===s,a&&(h.poleAxis.value=a);const{_lodMax:f}=this;h.dTheta.value=d,h.mipInt.value=f-i;const v=this._sizeLods[n];Vr(e,3*v*(n>f-4?n-f+4:0),4*(this._cubeSize-v),3*v,2*v),o.setRenderTarget(e),o.render(c,Lr)}}function zr(t,e,i){const n=new Ne(t,e,i);return n.texture.mapping=V,n.texture.name="PMREM.cubeUv",n.scissorTest=!0,n}function Vr(t,e,i,n,r){t.viewport.set(e,i,n,r),t.scissor.set(e,i,n,r)}function Wr(){return new $n({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:Xr(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function qr(){return new $n({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:Xr(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Xr(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}function jr(t){let e=new WeakMap,i=null;function n(t){const i=t.target;i.removeEventListener("dispose",n);const r=e.get(i);void 0!==r&&(e.delete(i),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping,a=s===z||304===s,o=s===G||s===H;if(a||o){let s=e.get(r);const l=void 0!==s?s.texture.pmremVersion:0;if(r.isRenderTargetTexture&&r.pmremVersion!==l)return null===i&&(i=new Hr(t)),s=a?i.fromEquirectangular(r,s):i.fromCubemap(r,s),s.texture.pmremVersion=r.pmremVersion,e.set(r,s),s.texture;if(void 0!==s)return s.texture;{const l=r.image;return a&&l&&l.height>0||o&&l&&function(t){let e=0;const i=6;for(let n=0;n<i;n++)void 0!==t[n]&&e++;return e===i}(l)?(null===i&&(i=new Hr(t)),s=a?i.fromEquirectangular(r):i.fromCubemap(r),s.texture.pmremVersion=r.pmremVersion,e.set(r,s),r.addEventListener("dispose",n),s.texture):null}}}return r},dispose:function(){e=new WeakMap,null!==i&&(i.dispose(),i=null)}}}function Yr(t){const e={};function i(i){if(void 0!==e[i])return e[i];let n;switch(i){case"WEBGL_depth_texture":n=t.getExtension("WEBGL_depth_texture")||t.getExtension("MOZ_WEBGL_depth_texture")||t.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":n=t.getExtension("EXT_texture_filter_anisotropic")||t.getExtension("MOZ_EXT_texture_filter_anisotropic")||t.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":n=t.getExtension("WEBGL_compressed_texture_s3tc")||t.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||t.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":n=t.getExtension("WEBGL_compressed_texture_pvrtc")||t.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:n=t.getExtension(i)}return e[i]=n,n}return{has:function(t){return null!==i(t)},init:function(){i("EXT_color_buffer_float"),i("WEBGL_clip_cull_distance"),i("OES_texture_float_linear"),i("EXT_color_buffer_half_float"),i("WEBGL_multisampled_render_to_texture"),i("WEBGL_render_shared_exponent")},get:function(t){const e=i(t);return null===e&&console.warn("THREE.WebGLRenderer: "+t+" extension not supported."),e}}}function Kr(t,e,i,n){const r={},s=new WeakMap;function a(t){const o=t.target;null!==o.index&&e.remove(o.index);for(const t in o.attributes)e.remove(o.attributes[t]);for(const t in o.morphAttributes){const i=o.morphAttributes[t];for(let t=0,n=i.length;t<n;t++)e.remove(i[t])}o.removeEventListener("dispose",a),delete r[o.id];const l=s.get(o);l&&(e.remove(l),s.delete(o)),n.releaseStatesOfGeometry(o),!0===o.isInstancedBufferGeometry&&delete o._maxInstanceCount,i.memory.geometries--}function o(t){const i=[],n=t.index,r=t.attributes.position;let a=0;if(null!==n){const t=n.array;a=n.version;for(let e=0,n=t.length;e<n;e+=3){const 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n,r,s;this.setMode=function(t){n=t},this.setIndex=function(t){r=t.type,s=t.bytesPerElement},this.render=function(e,a){t.drawElements(n,a,r,e*s),i.update(a,n,1)},this.renderInstances=function(e,a,o){0!==o&&(t.drawElementsInstanced(n,a,r,e*s,o),i.update(a,n,o))},this.renderMultiDraw=function(t,a,o){if(0===o)return;const l=e.get("WEBGL_multi_draw");if(null===l)for(let e=0;e<o;e++)this.render(t[e]/s,a[e]);else{l.multiDrawElementsWEBGL(n,a,0,r,t,0,o);let e=0;for(let t=0;t<o;t++)e+=a[t];i.update(e,n,1)}}}function $r(t){const e={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:e,programs:null,autoReset:!0,reset:function(){e.calls=0,e.triangles=0,e.points=0,e.lines=0},update:function(i,n,r){switch(e.calls++,n){case t.TRIANGLES:e.triangles+=r*(i/3);break;case t.LINES:e.lines+=r*(i/2);break;case t.LINE_STRIP:e.lines+=r*(i-1);break;case t.LINE_LOOP:e.lines+=r*i;break;case t.POINTS:e.points+=r*i;break;default:console.error("THREE.WebGLInfo: Unknown draw mode:",n)}}}}function Zr(t,e,i){const n=new WeakMap,r=new Ue;return{update:function(s,a,o){const l=s.morphTargetInfluences,c=a.morphAttributes.position||a.morphAttributes.normal||a.morphAttributes.color,h=void 0!==c?c.length:0;let u=n.get(a);if(void 0===u||u.count!==h){void 0!==u&&u.texture.dispose();const d=void 0!==a.morphAttributes.position,A=void 0!==a.morphAttributes.normal,p=void 0!==a.morphAttributes.color,m=a.morphAttributes.position||[],g=a.morphAttributes.normal||[],f=a.morphAttributes.color||[];let v=0;!0===d&&(v=1),!0===A&&(v=2),!0===p&&(v=3);let _=a.attributes.position.count*v,y=1;_>e.maxTextureSize&&(y=Math.ceil(_/e.maxTextureSize),_=e.maxTextureSize);const E=new Float32Array(_*y*4*h),x=new Fe(E,_,y,h);x.type=nt,x.needsUpdate=!0;const S=4*v;for(let I=0;I<h;I++){const M=m[I],w=g[I],b=f[I],T=_*y*4*I;for(let B=0;B<M.count;B++){const R=B*S;!0===d&&(r.fromBufferAttribute(M,B),E[T+R+0]=r.x,E[T+R+1]=r.y,E[T+R+2]=r.z,E[T+R+3]=0),!0===A&&(r.fromBufferAttribute(w,B),E[T+R+4]=r.x,E[T+R+5]=r.y,E[T+R+6]=r.z,E[T+R+7]=0),!0===p&&(r.fromBufferAttribute(b,B),E[T+R+8]=r.x,E[T+R+9]=r.y,E[T+R+10]=r.z,E[T+R+11]=4===b.itemSize?r.w:1)}}function C(){x.dispose(),n.delete(a),a.removeEventListener("dispose",C)}u={count:h,texture:x,size:new de(_,y)},n.set(a,u),a.addEventListener("dispose",C)}if(!0===s.isInstancedMesh&&null!==s.morphTexture)o.getUniforms().setValue(t,"morphTexture",s.morphTexture,i);else{let D=0;for(let U=0;U<l.length;U++)D+=l[U];const L=a.morphTargetsRelative?1:1-D;o.getUniforms().setValue(t,"morphTargetBaseInfluence",L),o.getUniforms().setValue(t,"morphTargetInfluences",l)}o.getUniforms().setValue(t,"morphTargetsTexture",u.texture,i),o.getUniforms().setValue(t,"morphTargetsTextureSize",u.size)}}}function ts(t,e,i,n){let r=new WeakMap;function s(t){const e=t.target;e.removeEventListener("dispose",s),i.remove(e.instanceMatrix),null!==e.instanceColor&&i.remove(e.instanceColor)}return{update:function(a){const o=n.render.frame,l=a.geometry,c=e.get(a,l);if(r.get(c)!==o&&(e.update(c),r.set(c,o)),a.isInstancedMesh&&(!1===a.hasEventListener("dispose",s)&&a.addEventListener("dispose",s),r.get(a)!==o&&(i.update(a.instanceMatrix,t.ARRAY_BUFFER),null!==a.instanceColor&&i.update(a.instanceColor,t.ARRAY_BUFFER),r.set(a,o))),a.isSkinnedMesh){const t=a.skeleton;r.get(t)!==o&&(t.update(),r.set(t,o))}return c},dispose:function(){r=new WeakMap}}}class es extends Le{constructor(t,e,i,n,r,s,a,o,l,c){if((c=void 0!==c?c:ot)!==ot&&c!==lt)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===i&&c===ot&&(i=it),void 0===i&&c===lt&&(i=st),super(null,n,r,s,a,o,c,i,l),this.isDepthTexture=!0,this.image={width:t,height:e},this.magFilter=void 0!==a?a:j,this.minFilter=void 0!==o?o:j,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}const is=new Le,ns=new es(1,1);ns.compareFunction=515;const rs=new Fe,ss=new Qe,as=new ar,os=[],ls=[],cs=new Float32Array(16),hs=new Float32Array(9),us=new Float32Array(4);function ds(t,e,i){const n=t[0];if(n<=0||n>0)return t;const r=e*i;let s=os[r];if(void 0===s&&(s=new Float32Array(r),os[r]=s),0!==e){n.toArray(s,0);for(let n=1,r=0;n!==e;++n)r+=i,t[n].toArray(s,r)}return s}function As(t,e){if(t.length!==e.length)return!1;for(let i=0,n=t.length;i<n;i++)if(t[i]!==e[i])return!1;return!0}function ps(t,e){for(let i=0,n=e.length;i<n;i++)t[i]=e[i]}function ms(t,e){let i=ls[e];void 0===i&&(i=new Int32Array(e),ls[e]=i);for(let n=0;n!==e;++n)i[n]=t.allocateTextureUnit();return i}function gs(t,e){const i=this.cache;i[0]!==e&&(t.uniform1f(this.addr,e),i[0]=e)}function fs(t,e){const i=this.cache;if(void 0!==e.x)i[0]===e.x&&i[1]===e.y||(t.uniform2f(this.addr,e.x,e.y),i[0]=e.x,i[1]=e.y);else{if(As(i,e))return;t.uniform2fv(this.addr,e),ps(i,e)}}function vs(t,e){const i=this.cache;if(void 0!==e.x)i[0]===e.x&&i[1]===e.y&&i[2]===e.z||(t.uniform3f(this.addr,e.x,e.y,e.z),i[0]=e.x,i[1]=e.y,i[2]=e.z);else if(void 0!==e.r)i[0]===e.r&&i[1]===e.g&&i[2]===e.b||(t.uniform3f(this.addr,e.r,e.g,e.b),i[0]=e.r,i[1]=e.g,i[2]=e.b);else{if(As(i,e))return;t.uniform3fv(this.addr,e),ps(i,e)}}function _s(t,e){const i=this.cache;if(void 0!==e.x)i[0]===e.x&&i[1]===e.y&&i[2]===e.z&&i[3]===e.w||(t.uniform4f(this.addr,e.x,e.y,e.z,e.w),i[0]=e.x,i[1]=e.y,i[2]=e.z,i[3]=e.w);else{if(As(i,e))return;t.uniform4fv(this.addr,e),ps(i,e)}}function ys(t,e){const i=this.cache,n=e.elements;if(void 0===n){if(As(i,e))return;t.uniformMatrix2fv(this.addr,!1,e),ps(i,e)}else{if(As(i,n))return;us.set(n),t.uniformMatrix2fv(this.addr,!1,us),ps(i,n)}}function Es(t,e){const i=this.cache,n=e.elements;if(void 0===n){if(As(i,e))return;t.uniformMatrix3fv(this.addr,!1,e),ps(i,e)}else{if(As(i,n))return;hs.set(n),t.uniformMatrix3fv(this.addr,!1,hs),ps(i,n)}}function xs(t,e){const i=this.cache,n=e.elements;if(void 0===n){if(As(i,e))return;t.uniformMatrix4fv(this.addr,!1,e),ps(i,e)}else{if(As(i,n))return;cs.set(n),t.uniformMatrix4fv(this.addr,!1,cs),ps(i,n)}}function Ss(t,e){const i=this.cache;i[0]!==e&&(t.uniform1i(this.addr,e),i[0]=e)}function Cs(t,e){const i=this.cache;if(void 0!==e.x)i[0]===e.x&&i[1]===e.y||(t.uniform2i(this.addr,e.x,e.y),i[0]=e.x,i[1]=e.y);else{if(As(i,e))return;t.uniform2iv(this.addr,e),ps(i,e)}}function Is(t,e){const i=this.cache;if(void 0!==e.x)i[0]===e.x&&i[1]===e.y&&i[2]===e.z||(t.uniform3i(this.addr,e.x,e.y,e.z),i[0]=e.x,i[1]=e.y,i[2]=e.z);else{if(As(i,e))return;t.uniform3iv(this.addr,e),ps(i,e)}}function Ms(t,e){const i=this.cache;if(void 0!==e.x)i[0]===e.x&&i[1]===e.y&&i[2]===e.z&&i[3]===e.w||(t.uniform4i(this.addr,e.x,e.y,e.z,e.w),i[0]=e.x,i[1]=e.y,i[2]=e.z,i[3]=e.w);else{if(As(i,e))return;t.uniform4iv(this.addr,e),ps(i,e)}}function ws(t,e){const i=this.cache;i[0]!==e&&(t.uniform1ui(this.addr,e),i[0]=e)}function bs(t,e){const i=this.cache;if(void 0!==e.x)i[0]===e.x&&i[1]===e.y||(t.uniform2ui(this.addr,e.x,e.y),i[0]=e.x,i[1]=e.y);else{if(As(i,e))return;t.uniform2uiv(this.addr,e),ps(i,e)}}function Ts(t,e){const i=this.cache;if(void 0!==e.x)i[0]===e.x&&i[1]===e.y&&i[2]===e.z||(t.uniform3ui(this.addr,e.x,e.y,e.z),i[0]=e.x,i[1]=e.y,i[2]=e.z);else{if(As(i,e))return;t.uniform3uiv(this.addr,e),ps(i,e)}}function Bs(t,e){const i=this.cache;if(void 0!==e.x)i[0]===e.x&&i[1]===e.y&&i[2]===e.z&&i[3]===e.w||(t.uniform4ui(this.addr,e.x,e.y,e.z,e.w),i[0]=e.x,i[1]=e.y,i[2]=e.z,i[3]=e.w);else{if(As(i,e))return;t.uniform4uiv(this.addr,e),ps(i,e)}}function Rs(t,e,i){const n=this.cache,r=i.allocateTextureUnit();n[0]!==r&&(t.uniform1i(this.addr,r),n[0]=r);const s=this.type===t.SAMPLER_2D_SHADOW?ns:is;i.setTexture2D(e||s,r)}function Ds(t,e,i){const n=this.cache,r=i.allocateTextureUnit();n[0]!==r&&(t.uniform1i(this.addr,r),n[0]=r),i.setTexture3D(e||ss,r)}

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g={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"toon",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"};function f(t){return u.add(t),0===t?"uv":`uv${t}`}return{getParameters:function(s,o,d,v,_){const y=v.fog,E=_.geometry,x=s.isMeshStandardMaterial?v.environment:null,S=(s.isMeshStandardMaterial?i:e).get(s.envMap||x),C=S&&S.mapping===V?S.image.height:null,I=g[s.type];null!==s.precision&&(m=r.getMaxPrecision(s.precision),m!==s.precision&&console.warn("THREE.WebGLProgram.getParameters:",s.precision,"not supported, using",m,"instead."));const M=E.morphAttributes.position||E.morphAttributes.normal||E.morphAttributes.color,w=void 0!==M?M.length:0;let b,T,B,D,L=0;if(void 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_t={shaderID:I,shaderType:s.type,shaderName:s.name,vertexShader:b,fragmentShader:T,defines:s.defines,customVertexShaderID:B,customFragmentShaderID:D,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:m,batching:N,instancing:P,instancingColor:P&&null!==_.instanceColor,

17instancingMorph:P&&null!==_.morphTexture,supportsVertexTextures:p,outputColorSpace:null===U?t.outputColorSpace:!0===U.isXRRenderTarget?U.texture.colorSpace:Ut,alphaToCoverage:!!s.alphaToCoverage,map:F,matcap:Q,envMap:O,envMapMode:O&&S.mapping,envMapCubeUVHeight:C,aoMap:k,lightMap:G,bumpMap:H,normalMap:z,displacementMap:p&&W,emissiveMap:q,normalMapObjectSpace:z&&1===s.normalMapType,normalMapTangentSpace:z&&0===s.normalMapType,metalnessMap:X,roughnessMap:j,anisotropy:Y,anisotropyMap:tt,clearcoat:K,clearcoatMap:et,clearcoatNormalMap:it,clearcoatRoughnessMap:nt,iridescence:J,iridescenceMap:rt,iridescenceThicknessMap:st,sheen:$,sheenColorMap:at,sheenRoughnessMap:ot,specularMap:lt,specularColorMap:ct,specularIntensityMap:ht,transmission:Z,transmissionMap:ut,thicknessMap:dt,gradientMap:At,opaque:!1===s.transparent&&1===s.blending&&!1===s.alphaToCoverage,alphaMap:pt,alphaTest:mt,alphaHash:gt,combine:s.combine,mapUv:F&&f(s.map.channel),aoMapUv:k&&f(s.aoMap.channel),lightMapUv:G&&f(s.lightMap.channel),bumpMapUv:H&&f(s.bumpMap.channel),normalMapUv:z&&f(s.normalMap.channel),displacementMapUv:W&&f(s.displacementMap.channel),emissiveMapUv:q&&f(s.emissiveMap.channel),metalnessMapUv:X&&f(s.metalnessMap.channel),roughnessMapUv:j&&f(s.roughnessMap.channel),anisotropyMapUv:tt&&f(s.anisotropyMap.channel),clearcoatMapUv:et&&f(s.clearcoatMap.channel),clearcoatNormalMapUv:it&&f(s.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:nt&&f(s.clearcoatRoughnessMap.channel),iridescenceMapUv:rt&&f(s.iridescenceMap.channel),iridescenceThicknessMapUv:st&&f(s.iridescenceThicknessMap.channel),sheenColorMapUv:at&&f(s.sheenColorMap.channel),sheenRoughnessMapUv:ot&&f(s.sheenRoughnessMap.channel),specularMapUv:lt&&f(s.specularMap.channel),specularColorMapUv:ct&&f(s.specularColorMap.channel),specularIntensityMapUv:ht&&f(s.specularIntensityMap.channel),transmissionMapUv:ut&&f(s.transmissionMap.channel),thicknessMapUv:dt&&f(s.thicknessMap.channel),alphaMapUv:pt&&f(s.alphaMap.channel),vertexTangents:!!E.attributes.tangent&&(z||Y),vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!E.attributes.color&&4===E.attributes.color.itemSize,pointsUvs:!0===_.isPoints&&!!E.attributes.uv&&(F||pt),fog:!!y,useFog:!0===s.fog,fogExp2:!!y&&y.isFogExp2,flatShading:!0===s.flatShading,sizeAttenuation:!0===s.sizeAttenuation,logarithmicDepthBuffer:A,skinning:!0===_.isSkinnedMesh,morphTargets:void 0!==E.morphAttributes.position,morphNormals:void 0!==E.morphAttributes.normal,morphColors:void 0!==E.morphAttributes.color,morphTargetsCount:w,morphTextureStride:L,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numSpotLightMaps:o.spotLightMap.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numSpotLightShadowsWithMaps:o.numSpotLightShadowsWithMaps,numLightProbes:o.numLightProbes,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:s.dithering,shadowMapEnabled:t.shadowMap.enabled&&d.length>0,shadowMapType:t.shadowMap.type,toneMapping:vt,useLegacyLights:t._useLegacyLights,decodeVideoTexture:F&&!0===s.map.isVideoTexture&&Ce.getTransfer(s.map.colorSpace)===Qt,premultipliedAlpha:s.premultipliedAlpha,doubleSided:s.side===c,flipSided:s.side===l,useDepthPacking:s.depthPacking>=0,depthPacking:s.depthPacking||0,index0AttributeName:s.index0AttributeName,extensionClipCullDistance:ft&&!0===s.extensions.clipCullDistance&&n.has("WEBGL_clip_cull_distance"),extensionMultiDraw:ft&&!0===s.extensions.multiDraw&&n.has("WEBGL_multi_draw"),rendererExtensionParallelShaderCompile:n.has("KHR_parallel_shader_compile"),customProgramCacheKey:s.customProgramCacheKey()};return _t.vertexUv1s=u.has(1),_t.vertexUv2s=u.has(2),_t.vertexUv3s=u.has(3),u.clear(),_t},getProgramCacheKey:function(e){const i=[];if(e.shaderID?i.push(e.shaderID):(i.push(e.customVertexShaderID),i.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)i.push(t),i.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputColorSpace),t.push(e.envMapMode),t.pu

17sh(e.envMapCubeUVHeight),t.push(e.mapUv),t.push(e.alphaMapUv),t.push(e.lightMapUv),t.push(e.aoMapUv),t.push(e.bumpMapUv),t.push(e.normalMapUv),t.push(e.displacementMapUv),t.push(e.emissiveMapUv),t.push(e.metalnessMapUv),t.push(e.roughnessMapUv),t.push(e.anisotropyMapUv),t.push(e.clearcoatMapUv),t.push(e.clearcoatNormalMapUv),t.push(e.clearcoatRoughnessMapUv),t.push(e.iridescenceMapUv),t.push(e.iridescenceThicknessMapUv),t.push(e.sheenColorMapUv),t.push(e.sheenRoughnessMapUv),t.push(e.specularMapUv),t.push(e.specularColorMapUv),t.push(e.specularIntensityMapUv),t.push(e.transmissionMapUv),t.push(e.thicknessMapUv),t.push(e.combine),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.numLightProbes),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(i,e),function(t,e){o.disableAll(),e.supportsVertexTextures&&o.enable(0);e.instancing&&o.enable(1);e.instancingColor&&o.enable(2);e.instancingMorph&&o.enable(3);e.matcap&&o.enable(4);e.envMap&&o.enable(5);e.normalMapObjectSpace&&o.enable(6);e.normalMapTangentSpace&&o.enable(7);e.clearcoat&&o.enable(8);e.iridescence&&o.enable(9);e.alphaTest&&o.enable(10);e.vertexColors&&o.enable(11);e.vertexAlphas&&o.enable(12);e.vertexUv1s&&o.enable(13);e.vertexUv2s&&o.enable(14);e.vertexUv3s&&o.enable(15);e.vertexTangents&&o.enable(16);e.anisotropy&&o.enable(17);e.alphaHash&&o.enable(18);e.batching&&o.enable(19);t.push(o.mask),o.disableAll(),e.fog&&o.enable(0);e.useFog&&o.enable(1);e.flatShading&&o.enable(2);e.logarithmicDepthBuffer&&o.enable(3);e.skinning&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.useLegacyLights&&o.enable(10);e.doubleSided&&o.enable(11);e.flipSided&&o.enable(12);e.useDepthPacking&&o.enable(13);e.dithering&&o.enable(14);e.transmission&&o.enable(15);e.sheen&&o.enable(16);e.opaque&&o.enable(17);e.pointsUvs&&o.enable(18);e.decodeVideoTexture&&o.enable(19);e.alphaToCoverage&&o.enable(20);t.push(o.mask)}(i,e),i.push(t.outputColorSpace)),i.push(e.customProgramCacheKey),i.join()},getUniforms:function(t){const e=g[t.type];let i;if(e){const t=yr[e];i=Jn.clone(t.uniforms)}else i=t.uniforms;return i},acquireProgram:function(e,i){let n;for(let t=0,e=d.length;t<e;t++){const e=d[t];if(e.cacheKey===i){n=e,++n.usedTimes;break}}return void 0===n&&(n=new Ca(t,i,e,s),d.push(n)),n},releaseProgram:function(t){if(0==--t.usedTimes){const e=d.indexOf(t);d[e]=d[d.length-1],d.pop(),t.destroy()}},releaseShaderCache:function(t){h.remove(t)},programs:d,dispose:function(){h.dispose()}}}function Ta(){let t=new WeakMap;return{get:function(e){let i=t.get(e);return void 0===i&&(i={},t.set(e,i)),i},remove:function(e){t.delete(e)},update:function(e,i,n){t.get(e)[i]=n},dispose:function(){t=new WeakMap}}}function Ba(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.material.id!==e.material.id?t.material.id-e.material.id:t.z!==e.z?t.z-e.z:t.id-e.id}function Ra(t,e){return 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e=t[i];if(null===e.id)break;e.id=null,e.object=null,e.geometry=null,e.material=null,e.group=null}},sort:function(t,e){i.length>1&&i.sort(t||Ba),n.length>1&&n.sort(e||Ra),r.length>1&&r.sort(e||Ra)}}}function La(){let t=new WeakMap;return{get:function(e,i){const n=t.get(e);let r;return void 0===n?(r=new Da,t.set(e,[r])):i>=n.length?(r=new Da,n.push(r)):r=n[i],r},dispose:function(){t=new WeakMap}}}function Ua(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let i;switch(e.type){case"DirectionalLight":i={direction:new ke,color:new an};break;case"SpotLight":i={position:new ke,direction:new ke,color:new an,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":i={position:new ke,color:new an,distance:0,decay:0};break;case"HemisphereLight":i={direction:new ke,skyColor:new an,groundColor:new an};break;case"RectAreaLight":i={color:new an,position:new ke,halfWidth:new ke,halfHeight:new ke}}return t[e.id]=i,i}}}let Pa=0;function Na(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function Fa(t){const e=new Ua,i=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let i;switch(e.type){case"DirectionalLight":case"SpotLight":i={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new de};break;case"PointLight":i={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new de,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=i,i}}}(),n={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let t=0;t<9;t++)n.probe.push(new ke);const r=new ke,s=new gi,a=new gi;return{setup:function(r,s){let a=0,o=0,l=0;for(let t=0;t<9;t++)n.probe[t].set(0,0,0);let c=0,h=0,u=0,d=0,A=0,p=0,m=0,g=0,f=0,v=0,_=0;r.sort(Na);const y=!0===s?Math.PI:1;for(let t=0,s=r.length;t<s;t++){const s=r[t],E=s.color,x=s.intensity,S=s.distance,C=s.shadow&&s.shadow.map?s.shadow.map.texture:null;if(s.isAmbientLight)a+=E.r*x*y,o+=E.g*x*y,l+=E.b*x*y;else if(s.isLightProbe){for(let t=0;t<9;t++)n.probe[t].addScaledVector(s.sh.coefficients[t],x);_++}else if(s.isDirectionalLight){const t=e.get(s);if(t.color.copy(s.color).multiplyScalar(s.intensity*y),s.castShadow){const t=s.shadow,e=i.get(s);e.shadowBias=t.bias,e.shadowNormalBias=t.normalBias,e.shadowRadius=t.radius,e.shadowMapSize=t.mapSize,n.directionalShadow[c]=e,n.directionalShadowMap[c]=C,n.directionalShadowMatrix[c]=s.shadow.matrix,p++}n.directional[c]=t,c++}else if(s.isSpotLight){const t=e.get(s);t.position.setFromMatrixPosition(s.matrixWorld),t.color.copy(E).multiplyScalar(x*y),t.distance=S,t.coneCos=Math.cos(s.angle),t.penumbraCos=Math.cos(s.angle*(1-s.penumbra)),t.decay=s.decay,n.spot[u]=t;const r=s.shadow;if(s.map&&(n.spotLightMap[f]=s.map,f++,r.updateMatrices(s),s.castShadow&&v++),n.spotLightMatrix[u]=r.matrix,s.castShadow){const t=i.get(s);t.shadowBias=r.bias,t.shadowNormalBias=r.normalBias,t.shadowRadius=r.radius,t.shadowMapSize=r.mapSize,n.spotShadow[u]=t,n.spotShadowMap[u]=C,g++}u++}else if(s.isRectAreaLight){const t=e.get(s);t.color.copy(E).multiplyScalar(x),t.halfWidth.set(.5*s.width,0,0),t.halfHeight.set(0,.5*s.height,0),n.rectArea[d]=t,d++}else if(s.isPointLight){const t=e.get(s);if(t.color.copy(s.color).multiplyScalar(s.intensity*y),t.distance=s.distance,t.decay=s.decay,s.castShadow){const t=s.shadow,e=i.get(s);e.shadowBias=t.bias,e.shadowNormalBias=t.normalBias,e.shadowRadius=t.radius,e.shadowMapSize=t.mapSize,e.shadowCameraNear=t.camera.near,e.shadowCameraFar=t.camera.far,n.pointShadow[h]=e,n.pointShadowMap[h]=C,n.pointShadowMatrix[h]=s.shadow.matrix,m++}n.point[h]=t,h++}else if(s.isHemisphereLight){const t=e.get(s);t.skyColor.copy(s.color).multiplyScalar(x*y),t.groundColor.copy(s.groundColor).multiplyScalar(x*y),n.hemi[A]=t,A++}}d>0&&(!0===t.has("OES_texture_float_linear")?(n.rectAreaLTC1=_r.LTC_FLOAT_1,n.rectAreaLTC2=_r.LTC_FLOAT_2):(n.rectAreaLTC1=_r.LTC_HALF_1,n.rectAreaLTC2=_r.LTC_HALF_2)),n.ambient[0]=a,n.ambient[1]=o,n.ambient[2]=l;const E=n.hash;E.directionalLength===c&&E.pointLength===h&&E.spotLength===u&&E.rectAreaLength===d&&E.hemiLength===A&&E.numDirectionalShadows===p&&E.numPointShadows===m&&E.numSpotShadows===g&&E.numSpotMaps===f&&E.numLightProbes===_||(n.directional.length=c,n.spot.length=u,n.rectArea.length=d,n.point.length=h,n.hemi.length=A,n.directionalShadow.length=p,n.directionalShadowMap.length=p,n.pointShadow.length=m,n.pointShadowMap.length=m,n.spotShadow.length=g,n.spotShadowMap.length=g,n.directionalShadowMatrix.length=p,n.pointShadowMatrix.length=m,n.spotLightMatrix.length=g+f-v,n.spotLightMap.length=f,n.numSpotLightShadowsWithMaps=v,n.numLightProbes=_,E.directionalLength=c,E.pointLength=h,E.spotLength=u,E.rectAreaLength=d,E.hemiLength=A,E.numDirectionalShadows=p,E.numPointShadows=m,E.numSpotShadows=g,E.numSpotMaps=f,E.numLightProbes=_,n.version=Pa++)},setupView:function(t,e){let i=0,o=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e<d;e++){const d=t[e];if(d.isDirectionalLight){const t=n.directional[i];t.direction.setFromMatrixPosition(d.matrixWorld),r.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(r),t.direction.transformDirection(u),i++}else if(d.isSpotLight){const t=n.spot[l];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),t.direction.setFromMatrixPosition(d.matrixWorld),r.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(r),t.direction.transformDirection(u),l++}else if(d.isRectAreaLight){const t=n.rectArea[c];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),a.identity(),s.copy(d.matrixWorld),s.premultiply(u),a.extractRotation(s),t.halfWidth.set(.5*d.width,0,0),t.halfHeight.set(0,.5*d.height,0),t.halfWidth.applyMatrix4(a),t.halfHeight.applyMatrix4(a),c++}else if(d.isPointLight){const t=n.point[o];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),o++}else if(d.isHemisphereLight){const t=n.hemi[h];t.direction.setFromMatrixPosition(d.matrixWorld),t.direction.transformDirection(u),h++}}},state:n}}function Qa(t){const e=new Fa(t),i=[],n=[];return{init:function(){i.length=0,n.length=0},state:{lightsArray:i,shadowsArray:n,lights:e,transmissionRenderTarget:null},setupLights:function(t){e.setup(i,t)},setupLightsView:function(t){e.setupView(i,t)},pushLight:function(t){i.push(t)},pushShadow:function(t){n.push(t)}}}function Oa(t){let e=new WeakMap;return{get:function(i,n=0){const r=e.get(i);let s;return void 0===r?(s=new Qa(t),e.set(i,[s])):n>=r.length?(s=new Qa(t),r.push(s)):s=r[n],s},dispose:function(){e=new WeakMap}}}class ka extends cn{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class Ga extends cn{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}function Ha(t,e,i){let n=new pr;const s=new de,h=new de,u=new Ue,d=new ka({depthPacking:3201}),A=new Ga,p={},m=i.maxTextureSize,g={[o]:l,[l]:o,[c]:c}

17,f=new $n({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new de},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),v=f.clone();v.defines.HORIZONTAL_PASS=1;const _=new wn;_.setAttribute("position",new gn(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const y=new Wn(_,f),E=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=r;let x=this.type;function S(i,n){const r=e.update(y);f.defines.VSM_SAMPLES!==i.blurSamples&&(f.defines.VSM_SAMPLES=i.blurSamples,v.defines.VSM_SAMPLES=i.blurSamples,f.needsUpdate=!0,v.needsUpdate=!0),null===i.mapPass&&(i.mapPass=new Ne(s.x,s.y)),f.uniforms.shadow_pass.value=i.map.texture,f.uniforms.resolution.value=i.mapSize,f.uniforms.radius.value=i.radius,t.setRenderTarget(i.mapPass),t.clear(),t.renderBufferDirect(n,null,r,f,y,null),v.uniforms.shadow_pass.value=i.mapPass.texture,v.uniforms.resolution.value=i.mapSize,v.uniforms.radius.value=i.radius,t.setRenderTarget(i.map),t.clear(),t.renderBufferDirect(n,null,r,v,y,null)}function C(e,i,n,r){let s=null;const o=!0===n.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(void 0!==o)s=o;else if(s=!0===n.isPointLight?A:d,t.localClippingEnabled&&!0===i.clipShadows&&Array.isArray(i.clippingPlanes)&&0!==i.clippingPlanes.length||i.displacementMap&&0!==i.displacementScale||i.alphaMap&&i.alphaTest>0||i.map&&i.alphaTest>0){const t=s.uuid,e=i.uuid;let n=p[t];void 0===n&&(n={},p[t]=n);let r=n[e];void 0===r&&(r=s.clone(),n[e]=r,i.addEventListener("dispose",M)),s=r}if(s.visible=i.visible,s.wireframe=i.wireframe,s.side=r===a?null!==i.shadowSide?i.shadowSide:i.side:null!==i.shadowSide?i.shadowSide:g[i.side],s.alphaMap=i.alphaMap,s.alphaTest=i.alphaTest,s.map=i.map,s.clipShadows=i.clipShadows,s.clippingPlanes=i.clippingPlanes,s.clipIntersection=i.clipIntersection,s.displacementMap=i.displacementMap,s.displacementScale=i.displacementScale,s.displacementBias=i.displacementBias,s.wireframeLinewidth=i.wireframeLinewidth,s.linewidth=i.linewidth,!0===n.isPointLight&&!0===s.isMeshDistanceMaterial){t.properties.get(s).light=n}return s}function I(i,r,s,o,l){if(!1===i.visible)return;if(i.layers.test(r.layers)&&(i.isMesh||i.isLine||i.isPoints)&&(i.castShadow||i.receiveShadow&&l===a)&&(!i.frustumCulled||n.intersectsObject(i))){i.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,i.matrixWorld);const n=e.update(i),a=i.material;if(Array.isArray(a)){const e=n.groups;for(let c=0,h=e.length;c<h;c++){const h=e[c],u=a[h.materialIndex];if(u&&u.visible){const e=C(i,u,o,l);i.onBeforeShadow(t,i,r,s,n,e,h),t.renderBufferDirect(s,null,n,e,i,h),i.onAfterShadow(t,i,r,s,n,e,h)}}}else if(a.visible){const e=C(i,a,o,l);i.onBeforeShadow(t,i,r,s,n,e,null),t.renderBufferDirect(s,null,n,e,i,null),i.onAfterShadow(t,i,r,s,n,e,null)}}const c=i.children;for(let t=0,e=c.length;t<e;t++)I(c[t],r,s,o,l)}function M(t){t.target.removeEventListener("dispose",M);for(const e in p){const i=p[e],n=t.target.uuid;if(n in i){i[n].dispose(),delete i[n]}}}this.render=function(e,i,r){if(!1===E.enabled)return;if(!1===E.autoUpdate&&!1===E.needsUpdate)return;if(0===e.length)return;const o=t.getRenderTarget(),l=t.getActiveCubeFace(),c=t.getActiveMipmapLevel(),d=t.state;d.setBlending(0),d.buffers.color.setClear(1,1,1,1),d.buffers.depth.setTest(!0),d.setScissorTest(!1);const A=x!==a&&this.type===a,p=x===a&&this.type!==a;for(let o=0,l=e.length;o<l;o++){const l=e[o],c=l.shadow;if(void 0===c){console.warn("THREE.WebGLShadowMap:",l,"has no shadow.");continue}if(!1===c.autoUpdate&&!1===c.needsUpdate)continue;s.copy(c.mapSize);const g=c.getFrameExtents();if(s.multiply(g),h.copy(c.mapSize),(s.x>m||s.y>m)&&(s.x>m&&(h.x=Math.floor(m/g.x),s.x=h.x*g.x,c.mapSize.x=h.x),s.y>m&&(h.y=Math.floor(m/g.y),s.y=h.y*g.y,c.mapSize.y=h.y)),null===c.map||!0===A||!0===p){const t=this.t

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WeakMap,T=[],B=null,R=!1,D=null,L=null,U=null,P=null,N=null,F=null,Q=null,O=new an(0,0,0),k=0,G=!1,H=null,z=null,V=null,W=null,q=null,et.set(0,0,t.canvas.width,t.canvas.height),it.set(0,0,t.canvas.width,t.canvas.height),e.reset(),i.reset(),n.reset()}}}function Va(t,e,i,n,r,s,a){const o=e.has("WEBGL_multisampled_render_to_texture")?e.get("WEBGL_multisampled_render_to_texture"):null,l="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),c=new de,h=new WeakMap;let u;const d=new WeakMap;let A=!1;try{A="undefined"!=typeof OffscreenCanvas&&null!==new OffscreenCanvas(1,1).getContext("2d")}catch(t){}function p(t,e){return A?new OffscreenCanvas(t,e):ge("canvas")}function m(t,e,i){let n=1;const r=F(t);if((r.width>i||r.height>i)&&(n=i/Math.max(r.width,r.height)),n<1){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap||"undefined"!=typeof VideoFrame&&t instanceof VideoFrame){const i=Math.floor(n*r.width),s=Math.floor(n*r.height);void 0===u&&(u=p(i,s));const a=e?p(i,s):u;a.width=i,a.height=s;return a.getContext("2d").drawImage(t,0,0,i,s),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+r.width+"x"+r.height+") to ("+i+"x"+s+")."),a}return"data"in t&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+r.width+"x"+r.height+")."),t}return t}function g(t){return t.generateMipmaps&&t.minFilter!==j&&t.minFilter!==J}function f(e){t.generateMipmap(e)}function v(i,n,r,s,a=!1){if(null!==i){if(void 0!==t[i])return t[i];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+i+"'")}let o=n;if(n===t.RED&&(r===t.FLOAT&&(o=t.R32F),r===t.HALF_FLOAT&&(o=t.R16F),r===t.UNSIGNED_BYTE&&(o=t.R8)),n===t.RED_INTEGER&&(r===t.UNSIGNED_BYTE&&(o=t.R8UI),r===t.UNSIGNED_SHORT&&(o=t.R16UI),r===t.UNSIGNED_INT&&(o=t.R32UI),r===t.BYTE&&(o=t.R8I),r===t.SHORT&&(o=t.R16I),r===t.INT&&(o=t.R32I)),n===t.RG&&(r===t.FLOAT&&(o=t.RG32F),r===t.HALF_FLOAT&&(o=t.RG16F),r===t.UNSIGNED_BYTE&&(o=t.RG8)),n===t.RG_INTEGER&&(r===t.UNSIGNED_BYTE&&(o=t.RG8UI),r===t.UNSIGNED_SHORT&&(o=t.RG16UI),r===t.UNSIGNED_INT&&(o=t.RG32UI),r===t.BYTE&&(o=t.RG8I),r===t.SHORT&&(o=t.RG16I),r===t.INT&&(o=t.RG32I)),n===t.RGB&&r===t.UNSIGNED_INT_5_9_9_9_REV&&(o=t.RGB9_E5),n===t.RGBA){const e=a?Ft:Ce.getTransfer(s);r===t.FLOAT&&(o=t.RGBA32F),r===t.HALF_FLOAT&&(o=t.RGBA16F),r===t.UNSIGNED_BYTE&&(o=e===Qt?t.SRGB8_ALPHA8:t.RGBA8),r===t.UNSIGNED_SHORT_4_4_4_4&&(o=t.RGBA4),r===t.UNSIGNED_SHORT_5_5_5_1&&(o=t.RGB5_A1)}return o!==t.R16F&&o!==t.R32F&&o!==t.RG16F&&o!==t.RG32F&&o!==t.RGBA16F&&o!==t.RGBA32F||e.get("EXT_color_buffer_float"),o}function _(t,e){return!0===g(t)||t.isFramebufferTexture&&t.minFilter!==j&&t.minFilter!==J?Math.log2(Math.max(e.width,e.height))+1:void 0!==t.mipmaps&&t.mipmaps.length>0?t.mipmaps.length:t.isCompressedTexture&&Array.isArray(t.image)?e.mipmaps.length:1}function y(t){const e=t.target;e.removeEventListener("dispose",y),function(t){const e=n.get(t);if(void 0===e.__webglInit)return;const i=t.source,r=d.get(i);if(r){const n=r[e.__cacheKey];n.usedTimes--,0===n.usedTimes&&x(t),0===Object.keys(r).length&&d.delete(i)}n.remove(t)}(e),e.isVideoTexture&&h.delete(e)}function E(e){const i=e.target;i.removeEventListener("dispose",E),function(e){const i=n.get(e);e.depthTexture&&e.depthTexture.dispose();if(e.isWebGLCubeRenderTarget)for(let e=0;e<6;e++){if(Array.isArray(i.__webglFramebuffer[e]))for(let n=0;n<i.__webglFramebuffer[e].length;n++)t.deleteFramebuffer(i.__webglFramebuffer[e][n]);else t.deleteFramebuffer(i.__webglFramebuffer[e]);i.__webglDepthbuffer&&t.deleteRenderbuffer(i.__webglDepthbuffer[e])}else{if(Array.isArray(i.__webglFramebuffer))for(let e=0;e<i.__webglFramebuffer.length;e++)t.deleteFramebuffer(i.__webglFramebuffer[e]);else t.deleteFramebuffer(i.__webglFramebuffer);if(i.__webglDepthbuffer&&t.deleteRenderbuffer(i.__webglDepthbuffer),i.__webglMultisampledFramebuffer&&t.deleteFramebuffer(i.__webglMultisampledFramebuffer),i.__webglColorRen

17derbuffer)for(let e=0;e<i.__webglColorRenderbuffer.length;e++)i.__webglColorRenderbuffer[e]&&t.deleteRenderbuffer(i.__webglColorRenderbuffer[e]);i.__webglDepthRenderbuffer&&t.deleteRenderbuffer(i.__webglDepthRenderbuffer)}const r=e.textures;for(let e=0,i=r.length;e<i;e++){const i=n.get(r[e]);i.__webglTexture&&(t.deleteTexture(i.__webglTexture),a.memory.textures--),n.remove(r[e])}n.remove(e)}(i)}function x(e){const i=n.get(e);t.deleteTexture(i.__webglTexture);const r=e.source;delete d.get(r)[i.__cacheKey],a.memory.textures--}let S=0;function C(e,r){const s=n.get(e);if(e.isVideoTexture&&function(t){const e=a.render.frame;h.get(t)!==e&&(h.set(t,e),t.update())}(e),!1===e.isRenderTargetTexture&&e.version>0&&s.__version!==e.version){const t=e.image;if(null===t)console.warn("THREE.WebGLRenderer: Texture marked for update but no image data found.");else{if(!1!==t.complete)return void B(s,e,r);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}i.bindTexture(t.TEXTURE_2D,s.__webglTexture,t.TEXTURE0+r)}const I={[W]:t.REPEAT,[q]:t.CLAMP_TO_EDGE,[X]:t.MIRRORED_REPEAT},M={[j]:t.NEAREST,[Y]:t.NEAREST_MIPMAP_NEAREST,[K]:t.NEAREST_MIPMAP_LINEAR,[J]:t.LINEAR,[$]:t.LINEAR_MIPMAP_NEAREST,[Z]:t.LINEAR_MIPMAP_LINEAR},w={[Ht]:t.NEVER,[Yt]:t.ALWAYS,[zt]:t.LESS,[Wt]:t.LEQUAL,[Vt]:t.EQUAL,[jt]:t.GEQUAL,[qt]:t.GREATER,[Xt]:t.NOTEQUAL};function b(i,s){if(s.type!==nt||!1!==e.has("OES_texture_float_linear")||s.magFilter!==J&&s.magFilter!==$&&s.magFilter!==K&&s.magFilter!==Z&&s.minFilter!==J&&s.minFilter!==$&&s.minFilter!==K&&s.minFilter!==Z||console.warn("THREE.WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device."),t.texParameteri(i,t.TEXTURE_WRAP_S,I[s.wrapS]),t.texParameteri(i,t.TEXTURE_WRAP_T,I[s.wrapT]),i!==t.TEXTURE_3D&&i!==t.TEXTURE_2D_ARRAY||t.texParameteri(i,t.TEXTURE_WRAP_R,I[s.wrapR]),t.texParameteri(i,t.TEXTURE_MAG_FILTER,M[s.magFilter]),t.texParameteri(i,t.TEXTURE_MIN_FILTER,M[s.minFilter]),s.compareFunction&&(t.texParameteri(i,t.TEXTURE_COMPARE_MODE,t.COMPARE_REF_TO_TEXTURE),t.texParameteri(i,t.TEXTURE_COMPARE_FUNC,w[s.compareFunction])),!0===e.has("EXT_texture_filter_anisotropic")){if(s.magFilter===j)return;if(s.minFilter!==K&&s.minFilter!==Z)return;if(s.type===nt&&!1===e.has("OES_texture_float_linear"))return;if(s.anisotropy>1||n.get(s).__currentAnisotropy){const a=e.get("EXT_texture_filter_anisotropic");t.texParameterf(i,a.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(s.anisotropy,r.getMaxAnisotropy())),n.get(s).__currentAnisotropy=s.anisotropy}}}function T(e,i){let n=!1;void 0===e.__webglInit&&(e.__webglInit=!0,i.addEventListener("dispose",y));const r=i.source;let s=d.get(r);void 0===s&&(s={},d.set(r,s));const o=function(t){const e=[];return e.push(t.wrapS),e.push(t.wrapT),e.push(t.wrapR||0),e.push(t.magFilter),e.push(t.minFilter),e.push(t.anisotropy),e.push(t.internalFormat),e.push(t.format),e.push(t.type),e.push(t.generateMipmaps),e.push(t.premultiplyAlpha),e.push(t.flipY),e.push(t.unpackAlignment),e.push(t.colorSpace),e.join()}(i);if(o!==e.__cacheKey){void 0===s[o]&&(s[o]={texture:t.createTexture(),usedTimes:0},a.memory.textures++,n=!0),s[o].usedTimes++;const r=s[e.__cacheKey];void 0!==r&&(s[e.__cacheKey].usedTimes--,0===r.usedTimes&&x(i)),e.__cacheKey=o,e.__webglTexture=s[o].texture}return n}function B(e,a,o){let l=t.TEXTURE_2D;(a.isDataArrayTexture||a.isCompressedArrayTexture)&&(l=t.TEXTURE_2D_ARRAY),a.isData3DTexture&&(l=t.TEXTURE_3D);const c=T(e,a),h=a.source;i.bindTexture(l,e.__webglTexture,t.TEXTURE0+o);const u=n.get(h);if(h.version!==u.__version||!0===c){i.activeTexture(t.TEXTURE0+o);

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if(a.isDataTexture)if(S.length>0){C&&I&&i.texStorage2D(t.TEXTURE_2D,w,x,S[0].width,S[0].height);for(let e=0,n=S.length;e<n;e++)E=S[e],C?M&&i.texSubImage2D(t.TEXTURE_2D,e,0,0,E.width,E.height,p,y,E.data):i.texImage2D(t.TEXTURE_2D,e,x,E.width,E.height,0,p,y,E.data);a.generateMipmaps=!1}else C?(I&&i.texStorage2D(t.TEXTURE_2D,w,x,A.width,A.height),M&&i.texSubImage2D(t.TEXTURE_2D,0,0,0,A.width,A.height,p,y,A.data)):i.texImage2D(t.TEXTURE_2D,0,x,A.width,A.height,0,p,y,A.data);else if(a.isCompressedTexture)if(a.isCompressedArrayTexture){C&&I&&i.texStorage3D(t.TEXTURE_2D_ARRAY,w,x,S[0].width,S[0].height,A.depth);for(let e=0,n=S.length;e<n;e++)E=S[e],a.format!==at?null!==p?C?M&&i.compressedTexSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,E.width,E.height,A.depth,p,E.data,0,0):i.compressedTexImage3D(t.TEXTURE_2D_ARRAY,e,x,E.width,E.height,A.depth,0,E.data,0,0):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):C?M&&i.texSubImage3D(t.TEXTURE_2D_ARRAY,e,0,0,0,E.width,E.height,A.depth,p,y,E.data):i.texImage3D(t.TEXTURE_2D_ARRAY,e,x,E.width,E.height,A.depth,0,p,y,E.data)}else{C&&I&&i.texStorage2D(t.TEXTURE_2D,w,x,S[0].width,S[0].height);for(let e=0,n=S.length;e<n;e++)E=S[e],a.format!==at?null!==p?C?M&&i.compressedTexSubImage2D(t.TEXTURE_2D,e,0,0,E.width,E.height,p,E.data):i.compressedTexImage2D(t.TEXTURE_2D,e,x,E.width,E.height,0,E.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):C?M&&i.texSubImage2D(t.TEXTURE_2D,e,0,0,E.width,E.height,p,y,E.data):i.texImage2D(t.TEXTURE_2D,e,x,E.width,E.height,0,p,y,E.data)}else if(a.isDataArrayTexture)C?(I&&i.texStorage3D(t.TEXTURE_2D_ARRAY,w,x,A.width,A.height,A.depth),M&&i.texSubImage3D(t.TEXTURE_2D_ARRAY,0,0,0,0,A.width,A.height,A.depth,p,y,A.data)):i.texImage3D(t.TEXTURE_2D_ARRAY,0,x,A.width,A.height,A.depth,0,p,y,A.data);else if(a.isData3DTexture)C?(I&&i.texStorage3D(t.TEXTURE_3D,w,x,A.width,A.height,A.depth),M&&i.texSubImage3D(t.TEXTURE_3D,0,0,0,0,A.width,A.height,A.depth,p,y,A.data)):i.texImage3D(t.TEXTURE_3D,0,x,A.width,A.height,A.depth,0,p,y,A.data);else if(a.isFramebufferTexture){if(I)if(C)i.texStorage2D(t.TEXTURE_2D,w,x,A.width,A.height);else{let e=A.width,n=A.height;for(let r=0;r<w;r++)i.texImage2D(t.TEXTURE_2D,r,x,e,n,0,p,y,null),e>>=1,n>>=1}}else if(S.length>0){if(C&&I){const e=F(S[0]);i.texStorage2D(t.TEXTURE_2D,w,x,e.width,e.height)}for(let e=0,n=S.length;e<n;e++)E=S[e],C?M&&i.texSubImage2D(t.TEXTURE_2D,e,0,0,p,y,E):i.texImage2D(t.TEXTURE_2D,e,x,p,y,E);a.generateMipmaps=!1}else if(C){if(I){const e=F(A);i.texStorage2D(t.TEXTURE_2D,w,x,e.width,e.height)}M&&i.texSubImage2D(t.TEXTURE_2D,0,0,0,p,y,A)}else i.texImage2D(t.TEXTURE_2D,0,x,p,y,A);g(a)&&f(l),u.__version=h.version,a.onUpdate&&a.onUpdate(a)}e.__version=a.version}function R(e,r,a,l,c,h){const u=s.convert(a.format,a.colorSpace),d=s.convert(a.type),A=v(a.internalFormat,u,d,a.colorSpace);if(!n.get(r).__hasExternalTextures){const e=Math.max(1,r.width>>h),n=Math.max(1,r.height>>h);c===t.TEXTURE_3D||c===t.TEXTURE_2D_ARRAY?i.texImage3D(c,h,A,e,n,r.depth,0,u,d,null):i.texImage2D(c,h,A,e,n,0,u,d,null)}i.bindFramebuffer(t.FRAMEBUFFER,e),P(r)?o.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,l,c,n.get(a).__webglTexture,0,U(r)):(c===t.TEXTURE_2D||c>=t.TEXTURE_CUBE_MAP_POSITIVE_X&&c<=t.TEXTURE_CUBE_MAP_NEGATIVE_Z)&&t.framebufferTexture2D(t.FRAMEBUFFER,l,c,n.get(a).__webglTexture,h),i.bindFramebuffer(t.FRAMEBUFFER,null)}function D(e,i,n){if(t.bindRenderbuffer(t.RENDERBUFFER,e),i.depthBuffer&&!i.stencilBuffer){let r=t.DEPTH_COMPONENT24;if(n||P(i)){const e=i.depthTexture;e&&e.isDepthTexture&&(e.type===nt?r=t.DEPTH_COMPONENT32F:e.type===it&&(r=t.DEPTH_COMPONENT24));const n=U(i);P(i)?o.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,n,r,i.width,i.height):t.renderbufferStorageMultisample(t.RENDERBUFFER,n,r,i.width,i.height)}else t.renderbufferStorage(t.RENDERBUFFER,r,i.width,i.height);t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.RENDERBUFFER,e)}else if(i.depthBuffer&&i.stencilBuffer){const r=U(i);n&&!1===P(i)?t.renderbufferStorageMultisample(t.RENDERBUFFER,r,t.DEPTH24_STENCIL8,i.width,i.height):P(i)?o.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,r,t.DEPTH24_STENCIL8,i.width,i.height):t.renderbufferStorage(t.RENDERBUFFER,t.DEPTH_STENCIL,i.width,i.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.RENDERBUFFER,e)}else{const e=i.textures;for(let r=0;r<e.length;r++){const a=e[r],l=s.convert(a.format,a.colorSpace),c=s.convert(a.type),h=v(a.internalFormat,l,c,a.colorSpace),u=U(i);n&&!1===P(i)?t.renderbufferStorageMultisample(t.RENDERBUFFER,u,h,i.width,i.height):P(i)?o.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,u,h,i.width,i.height):t.renderbufferStorage(t.RENDERBUFFER,h,i.width,i.height)}}t.bindRenderbuffer(t.RENDERBUFFER,null)}function L(e){const r=n.get(e),s=!0===e.isWebGLCubeRenderTarget;if(e.depthTexture&&!r.__autoAllocateDepthBuffer){if(s)throw new Error("target.depthTexture not supported in Cube render targets");!function(e,r){if(r&&r.isWebGLCubeRenderTarget)throw new Error("Depth Texture with cube render targets is not supported");if(i.bindFramebuffer(t.FRAMEBUFFER,e),!r.depthTexture||!r.depthTexture.isDepthTexture)throw new Error("renderTarget.depthTexture must be an instance of 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i.bindFramebuffer(t.FRAMEBUFFER,r.__webglFramebuffer),r.__webglDepthbuffer=t.createRenderbuffer(),D(r.__webglDepthbuffer,e,!1);i.bindFramebuffer(t.FRAMEBUFFER,null)}function U(t){return Math.min(r.maxSamples,t.samples)}function P(t){const i=n.get(t);return t.samples>0&&!0===e.has("WEBGL_multisampled_render_to_texture")&&!1!==i.__useRenderToTexture}function N(t,e){const i=t.colorSpace,n=t.format,r=t.type;return!0===t.isCompressedTexture||!0===t.isVideoTexture||i!==Ut&&i!==Dt&&(Ce.getTransfer(i)===Qt?n===at&&r===tt||console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture color space:",i)),e}function F(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement?(c.width=t.naturalWidth||t.width,c.height=t.naturalHeight||t.height):"undefined"!=typeof VideoFrame&&t instanceof VideoFrame?(c.width=t.displayWidth,c.height=t.displayHeight):(c.width=t.width,c.height=t.height),c}this.allocateTextureUnit=function(){const t=S;return t>=r.maxTextures&&console.warn("THREE.WebGLTextures: Trying to use "+t+" texture units while this GPU supports only "+r.maxTextures),S+=1,t},this.resetTextureUnits=function(){S=0},this.setTexture2D=C,this.setTexture2DArray=function(e,r){const s=n.get(e);e.version>0&&s.__version!==e.version?B(s,e,r):i.bindTexture(t.TEXTURE_2D_ARRAY,s.__webglTexture,t.TEXTURE0+r)},this.setTexture3D=function(e,r){const s=n.get(e);e.version>0&&s.__version!==e.version?B(s,e,r):i.bindTexture(t.TEXTURE_3D,s.__webglTexture,t.TEXTURE0+r)},this.setTextureCube=function(e,a){const o=n.get(e);e.version>0&&o.__version!==e.version?function(e,a,o){if(6!==a.image.length)return;const l=T(e,a),c=a.source;i.bindTexture(t.TEXTURE_CUBE_MAP,e.__webglTexture,t.TEXTURE0+o);const h=n.get(c);if(c.version!==h.__version||!0===l){i.activeTexture(t.TEXTURE0+o);

17const e=Ce.getPrimaries(Ce.workingColorSpace),n=a.colorSpace===Dt?null:Ce.getPrimaries(a.colorSpace),u=a.colorSpace===Dt||e===n?t.NONE:t.BROWSER_DEFAULT_WEBGL;t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,a.flipY),t.pixelStorei(t.UNPACK_PREMULTIPLY_ALPHA_WEBGL,a.premultiplyAlpha),t.pixelStorei(t.UNPACK_ALIGNMENT,a.unpackAlignment),t.pixelStorei(t.UNPACK_COLORSPACE_CONVERSION_WEBGL,u);const d=a.isCompressedTexture||a.image[0].isCompressedTexture,A=a.image[0]&&a.image[0].isDataTexture,p=[];for(let t=0;t<6;t++)p[t]=d||A?A?a.image[t].image:a.image[t]:m(a.image[t],!0,r.maxCubemapSize),p[t]=N(a,p[t]);const y=p[0],E=s.convert(a.format,a.colorSpace),x=s.convert(a.type),S=v(a.internalFormat,E,x,a.colorSpace),C=!0!==a.isVideoTexture,I=void 0===h.__version||!0===l,M=c.dataReady;let w,T=_(a,y);if(b(t.TEXTURE_CUBE_MAP,a),d){C&&I&&i.texStorage2D(t.TEXTURE_CUBE_MAP,T,S,y.width,y.height);for(let e=0;e<6;e++){w=p[e].mipmaps;for(let n=0;n<w.length;n++){const r=w[n];a.format!==at?null!==E?C?M&&i.compressedTexSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r.width,r.height,E,r.data):i.compressedTexImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,S,r.width,r.height,0,r.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()"):C?M&&i.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,0,0,r.width,r.height,E,x,r.data):i.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,n,S,r.width,r.height,0,E,x,r.data)}}}else{if(w=a.mipmaps,C&&I){w.length>0&&T++;const e=F(p[0]);i.texStorage2D(t.TEXTURE_CUBE_MAP,T,S,e.width,e.height)}for(let e=0;e<6;e++)if(A){C?M&&i.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,p[e].width,p[e].height,E,x,p[e].data):i.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,S,p[e].width,p[e].height,0,E,x,p[e].data);for(let n=0;n<w.length;n++){const r=w[n].image[e].image;C?M&&i.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,n+1,0,0,r.width,r.height,E,x,r.data):i.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,n+1,S,r.width,r.height,0,E,x,r.data)}}else{C?M&&i.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,E,x,p[e]):i.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,S,E,x,p[e]);for(let n=0;n<w.length;n++){const r=w[n];C?M&&i.texSubImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,n+1,0,0,E,x,r.image[e]):i.texImage2D(t.TEXTURE_CUBE_MAP_POSITIVE_X+e,n+1,S,E,x,r.image[e])}}}g(a)&&f(t.TEXTURE_CUBE_MAP),h.__version=c.version,a.onUpdate&&a.onUpdate(a)}e.__version=a.version}(o,e,a):i.bindTexture(t.TEXTURE_CUBE_MAP,o.__webglTexture,t.TEXTURE0+a)},this.rebindTextures=function(e,i,r){const s=n.get(e);void 0!==i&&R(s.__webglFramebuffer,e,e.texture,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,0),void 0!==r&&L(e)},this.setupRenderTarget=function(e){const r=e.texture,o=n.get(e),l=n.get(r);e.addEventListener("dispose",E);const c=e.textures,h=!0===e.isWebGLCubeRenderTarget,u=c.length>1;if(u||(void 0===l.__webglTexture&&(l.__webglTexture=t.createTexture()),l.__version=r.version,a.memory.textures++),h){o.__webglFramebuffer=[];for(let e=0;e<6;e++)if(r.mipmaps&&r.mipmaps.length>0){o.__webglFramebuffer[e]=[];for(let i=0;i<r.mipmaps.length;i++)o.__webglFramebuffer[e][i]=t.createFramebuffer()}else o.__webglFramebuffer[e]=t.createFramebuffer()}else{if(r.mipmaps&&r.mipmaps.length>0){o.__webglFramebuffer=[];for(let e=0;e<r.mipmaps.length;e++)o.__webglFramebuffer[e]=t.createFramebuffer()}else o.__webglFramebuffer=t.createFramebuffer();if(u)for(let e=0,i=c.length;e<i;e++){const i=n.get(c[e]);void 0===i.__webglTexture&&(i.__webglTexture=t.createTexture(),a.memory.textures++)}if(e.samples>0&&!1===P(e)){o.__webglMultisampledFramebuffer=t.createFramebuffer(),o.__webglColorRenderbuffer=[],i.bindFramebuffer(t.FRAMEBUFFER,o.__webglMultisampledFramebuffer);for(let i=0;i<c.length;i++){const n=c[i];o.__webglColorRenderbuffer[i]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,o.__webglColorRenderbuffer[i]);const r=s.convert(n.format,n.colorSpace),a=s.convert(n.type),l=v(n.internalFormat,r,a,n.colorSpace,!0===e.isXRRenderTarget),h=U(e);t.renderbufferStorageMultisample(t.RENDERBUFFER,h,l,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+i,t.RENDERBUFFER,o.__webglColorRen

17derbuffer[i])}t.bindRenderbuffer(t.RENDERBUFFER,null),e.depthBuffer&&(o.__webglDepthRenderbuffer=t.createRenderbuffer(),D(o.__webglDepthRenderbuffer,e,!0)),i.bindFramebuffer(t.FRAMEBUFFER,null)}}if(h){i.bindTexture(t.TEXTURE_CUBE_MAP,l.__webglTexture),b(t.TEXTURE_CUBE_MAP,r);for(let i=0;i<6;i++)if(r.mipmaps&&r.mipmaps.length>0)for(let n=0;n<r.mipmaps.length;n++)R(o.__webglFramebuffer[i][n],e,r,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+i,n);else R(o.__webglFramebuffer[i],e,r,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+i,0);g(r)&&f(t.TEXTURE_CUBE_MAP),i.unbindTexture()}else if(u){for(let r=0,s=c.length;r<s;r++){const s=c[r],a=n.get(s);i.bindTexture(t.TEXTURE_2D,a.__webglTexture),b(t.TEXTURE_2D,s),R(o.__webglFramebuffer,e,s,t.COLOR_ATTACHMENT0+r,t.TEXTURE_2D,0),g(s)&&f(t.TEXTURE_2D)}i.unbindTexture()}else{let n=t.TEXTURE_2D;if((e.isWebGL3DRenderTarget||e.isWebGLArrayRenderTarget)&&(n=e.isWebGL3DRenderTarget?t.TEXTURE_3D:t.TEXTURE_2D_ARRAY),i.bindTexture(n,l.__webglTexture),b(n,r),r.mipmaps&&r.mipmaps.length>0)for(let i=0;i<r.mipmaps.length;i++)R(o.__webglFramebuffer[i],e,r,t.COLOR_ATTACHMENT0,n,i);else R(o.__webglFramebuffer,e,r,t.COLOR_ATTACHMENT0,n,0);g(r)&&f(n),i.unbindTexture()}e.depthBuffer&&L(e)},this.updateRenderTargetMipmap=function(e){const r=e.textures;for(let s=0,a=r.length;s<a;s++){const a=r[s];if(g(a)){const r=e.isWebGLCubeRenderTarget?t.TEXTURE_CUBE_MAP:t.TEXTURE_2D,s=n.get(a).__webglTexture;i.bindTexture(r,s),f(r),i.unbindTexture()}}},this.updateMultisampleRenderTarget=function(e){if(e.samples>0&&!1===P(e)){const r=e.textures,s=e.width,a=e.height;let o=t.COLOR_BUFFER_BIT;const c=[],h=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,u=n.get(e),d=r.length>1;if(d)for(let e=0;e<r.length;e++)i.bindFramebuffer(t.FRAMEBUFFER,u.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),i.bindFramebuffer(t.FRAMEBUFFER,u.__webglFramebuffer),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);i.bindFramebuffer(t.READ_FRAMEBUFFER,u.__webglMultisampledFramebuffer),i.bindFramebuffer(t.DRAW_FRAMEBUFFER,u.__webglFramebuffer);for(let i=0;i<r.length;i++){c.push(t.COLOR_ATTACHMENT0+i),e.depthBuffer&&c.push(h);const A=void 0!==u.__ignoreDepthValues&&u.__ignoreDepthValues;if(!1===A&&(e.depthBuffer&&(o|=t.DEPTH_BUFFER_BIT),e.stencilBuffer&&!0!==u.__isTransmissionRenderTarget&&(o|=t.STENCIL_BUFFER_BIT)),d&&t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u.__webglColorRenderbuffer[i]),!0===A&&(t.invalidateFramebuffer(t.READ_FRAMEBUFFER,[h]),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,[h])),d){const e=n.get(r[i]).__webglTexture;t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}t.blitFramebuffer(0,0,s,a,0,0,s,a,o,t.NEAREST),l&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,c)}if(i.bindFramebuffer(t.READ_FRAMEBUFFER,null),i.bindFramebuffer(t.DRAW_FRAMEBUFFER,null),d)for(let e=0;e<r.length;e++){i.bindFramebuffer(t.FRAMEBUFFER,u.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u.__webglColorRenderbuffer[e]);const s=n.get(r[e]).__webglTexture;i.bindFramebuffer(t.FRAMEBUFFER,u.__webglFramebuffer),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,s,0)}i.bindFramebuffer(t.DRAW_FRAMEBUFFER,u.__webglMultisampledFramebuffer)}},this.setupDepthRenderbuffer=L,this.setupFrameBufferTexture=R,this.useMultisampledRTT=P}function Wa(t,e){return{convert:function(i,n=Dt){let r;const s=Ce.getTransfer(n);if(i===tt)return t.UNSIGNED_BYTE;if(1017===i)return t.UNSIGNED_SHORT_4_4_4_4;if(1018===i)return t.UNSIGNED_SHORT_5_5_5_1;if(35902===i)return t.UNSIGNED_INT_5_9_9_9_REV;if(1010===i)return t.BYTE;if(1011===i)return t.SHORT;if(1012===i)return t.UNSIGNED_SHORT;if(i===et)return t.INT;if(i===it)return t.UNSIGNED_INT;if(i===nt)return t.FLOAT;if(i===rt)return t.HALF_FLOAT;if(1021===i)return t.ALPHA;if(1022===i)return t.RGB;if(i===at)return t.RGBA;if(1024===i)return t.LUMINANCE;if(1025===i)return t.LUMINANCE_ALPHA;if(i===ot)return t.DEPTH_COMPONENT;if(i===lt)return t.DEPTH_STENCIL;if(i===ct)return t.RED;if(1029===i)return t.RED_INTEGER;if(i===ht)return t.RG;if(1031===i)return t.RG_INTEGER;if(1033===i)return t.RGBA_INTEGER;if(i===ut||i===dt||i===At||i===pt)if(s===Qt){if(r=e.get("WEBGL_compressed_texture_s3tc_srgb"),null===r)return null;if(i===ut)return r.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(i===dt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(i===At)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(i===pt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(r=e.get("WEBGL_compressed_texture_s3tc"),null===r)return null;if(i===ut)return r.COMPRESSED_RGB_S3TC_DXT1_EXT;if(i===dt)return r.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(i===At)return r.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(i===pt)return r.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(i===mt||35841===i||i===gt||35843===i){if(r=e.get("WEBGL_compressed_texture_pvrtc"),null===r)return null;if(i===mt)return r.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===i)return r.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(i===gt)return r.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===i)return r.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(i===ft)return r=e.get("WEBGL_compressed_texture_etc1"),null!==r?r.COMPRESSED_RGB_ETC1_WEBGL:null;if(i===vt||i===_t){if(r=e.get("WEBGL_compressed_texture_etc"),null===r)return null;if(i===vt)return s===Qt?r.COMPRESSED_SRGB8_ETC2:r.COMPRESSED_RGB8_ETC2;if(i===_t)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:r.COMPRESSED_RGBA8_ETC2_EAC}if(i===yt||37809===i||37810===i||37811===i||i===Et||37813===i||37814===i||37815===i||37816===i||37817===i||37818===i||37819===i||37820===i||37821===i){if(r=e.get("WEBGL_compressed_texture_astc"),null===r)return null;if(i===yt)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:r.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:r.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:r.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:r.COMPRESSED_RGBA_ASTC_6x5_KHR;if(i===Et)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:r.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:r.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:r.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:r.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:r.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:r.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:r.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:r.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:r.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===i)return s===Qt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:r.COMPRESSED_RGBA_ASTC_12x12_KHR}if(i===xt||36494===i||36495===i){if(r=e.get("EXT_texture_compression_bptc"),null===r)return null;if(i===xt)return s===Qt?r.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:r.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(36494===i)return r.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(36495===i)return r.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(36283===i||36284===i||36285===i||36286===i){if(r=e.get("EXT_texture_compression_rgtc"),null===r)return null;if(i===xt)return r.COMPRESSED_RED_RGTC1_EXT;if(36284===i)return r.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(36285===i)return r.COMPRESSED_RED_GREEN_RGTC2_EXT;if(36286===i)return r.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return i===st?t.UNSIGNED_INT_24_8:void 0!==t[i]?t[i]:null}}}class qa extends nr{constructor(t=[]){super(),this.isArrayCamera=!0,this.cameras=t}}class Xa extends zi{constructor(){super(),this.isGroup=!0,this.type="Group"}}const ja={type:"move"};class Ya{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Xa,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Xa,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new ke,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new ke),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Xa,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new ke,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new ke),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}connect(t){if(t&&t.hand){const e=this._hand;if(e)for(const i of t.hand.values())this._getHandJoint(e,i)}return this.dispatchEvent({type:"connected",data:t}),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,i){let n=null,r=null,s=null;const a=this._targetRay,o=this._grip,l=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(l&&t.hand){s=!0;for(const n of t.hand.values()){const t=e.getJointPose(n,i),r=this._getHandJoint(l,n);null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=t.radius),r.visible=null!==t}const n=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],a=n.position.distanceTo(r.position),o=.02,c=.005;l.inputState.pinching&&a>o+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,i),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(n=e.getPose(t.targetRaySpace,i),null===n&&null!==r&&(n=r),null!==n&&(a.matrix.fromArray(n.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,n.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(n.linearVelocity)):a.hasLinearVelocity=!1,n.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(n.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(ja)))}return null!==a&&(a.visible=null!==n),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const i=new Xa;i.matrixAutoUpdate=!1,i.visible=!1,t.joints[e.jointName]=i,t.add(i)}return t.joints[e.jointName]}}class Ka{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(t,e,i){if(null===this.texture){const n=new Le;t.properties.get(n).__webglTexture=e.texture,e.depthNear==i.depthNear&&e.depthFar==i.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=n}}render(t,e){if(null!==this.texture){if(null===this.mesh){const t=e.cameras[0].viewport,i=new $n({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}",uniforms:{depthColor:{value:this.texture},depthWidth:{value:t.z},depthHeight:{value:t.w}}});this.mesh=new Wn(new fr(20,20),i)}t.render(this.mesh,e)}}reset(){this.texture=null,this.mesh=null}}class Ja extends te{constructor(t,e){super();const i=this;let n=null,r=1,s=null,a="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,A=null;const p=new Ka,m=e.getContextAttributes();let g=null,f=null;const v=[],_=[],y=new de;let E=null;const x=new nr;x.layers.enable(1),x.viewport=new Ue;const S=new nr;S.layers.enable(2),S.viewport=new Ue;const C=[x,S],I=new qa;I.layers.enable(1),I.layers.enable(2);let M=null,w=null;function b(t){const e=_.indexOf(t.inputSource);if(-1===e)return;const i=v[e];void 0!==i&&(i.update(t.inputSource,t.frame,l||s),i.dispatchEvent({type:t.type,data:t.inputSource}))}function T(){n.removeEventListener("select",b),n.removeEventListener("selectstart",b),n.removeEventListener("selectend",b),n.removeEventListener("squeeze",b),n.removeEventListener("squeezestart",b),n.removeEventListener("squeezeend",b),n.removeEventListener("end",T),n.removeEventListener("inputsourceschange",B);for(let t=0;t<v.length;t++){const e=_[t];null!==e&&(_[t]=null,v[t].disconnect(e))}M=null,w=null,p.reset(),t.setRenderTarget(g),d=null,u=null,h=null,n=null,f=null,P.stop(),i.isPresenting=!1,t.setPixelRatio(E),t.setSize(y.width,y.height,!1),i.dispatchEvent({type:"sessionend"})}function B(t){for(let e=0;e<t.removed.length;e++){const i=t.removed[e],n=_.indexOf(i);n>=0&&(_[n]=null,v[n].disconnect(i))}for(let e=0;e<t.added.length;e++){const i=t.added[e];let n=_.indexOf(i);if(-1===n){for(let t=0;t<v.length;t++){if(t>=_.length){_.push(i),n=t;break}if(null===_[t]){_[t]=i,n=t;break}}if(-1===n)break}const r=v[n];r&&r.connect(i)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=v[t];return void 0===e&&(e=new Ya,v[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=v[t];return void 0===e&&(e=new Ya,v[t]=e),e.getGripSpace()},this.getHand=function(t){let e=v[t];return void 0===e&&(e=new Ya,v[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===i.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===i.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||s},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return A},this.getSession=function(){return n},this.setSession=async function(c){if(n=c,null!==n){if(g=t.getRenderTarget(),n.addEventListener("select",b),n.addEventListener("selectstart",b),n.addEventListener("selectend",b),n.addEventListener("squeeze",b),n.addEventListener("squeezestart",b),n.addEventListener("squeezeend",b),n.addEventListener("end",T),n.addEventListener("inputsourceschange",B),!0!==m.xrCompatible&&await e.makeXRCompatible(),E=t.getPixelRatio(),t.getSize(y),void 0===n.renderState.layers){const i={antialias:m.antialias,alpha:!0,depth:m.depth,stencil:m.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(n,e,i),n.updateRenderState({baseLayer:d}),t.setPixelRatio(1),t.setSize(d.framebufferWidth,d.framebufferHeight,!1),f=new Ne(d.framebufferWidth,d.framebufferHeight,{format:at,type:tt,colorSpace:t.outputColorSpace,stencilBuffer:m.stencil})}else{let i=null,s=null,a=null;m.depth&&(a=m.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,i=m.stencil?lt:ot,s=m.stencil?st:it);const o={colorFormat:e.RGBA8,depthFormat:a,scaleFactor:r};h=new XRWebGLBinding(n,e),u=h.createProjectionLayer(o),n.updateRenderState({layers:[u]}),t.setPixelRatio(1),t.setSize(u.textureWidth,u.textureHeight,!1),f=new Ne(u.textureWidth,u.textureHeight,{format:at,type:tt,depthTexture:new es(u.textureWidth,u.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,i),stencilBuffer:m.stencil,colorSpace:t.outputColorSpace,samples:m.antialias?4:0});t.properties.get(f).__ignoreDepthValues=u.ignoreDepthValues}f.isXRRenderTarget=!0,this.setFoveation(o),l=null,s=await n.requestReferenceSpace(a),P.setContext(n),P.start(),i.isPresenting=!0,i.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==n)return n.environmentBlendMode};const R=new ke,D=new ke;function L(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===n)return;null!==p.texture&&(t.near=p.depthNear,t.far=p.depthFar),I.near=S.near=x.near=t.near,I.far=S.far=x.far=t.far,M===I.near&&w===I.far||(n.updateRenderState({depthNear:I.near,depthFar:I.far}),M=I.near,w=I.far,x.near=M,x.far=w,S.near=M,S.far=w,x.updateProjectionMatrix(),S.updateProjectionMatrix(),t.updateProjectionMatrix());const e=t.parent,i=I.cameras;L(I,e);for(let t=0;t<i.length;t++)L(i[t],e);2===i.length?function(t,e,i){R.setFromMatrixPosition(e.matrixWorld),D.setFromMatrixPosition(i.matrixWorld);const n=R.distanceTo(D),r=e.projectionMatrix.elements,s=i.projectionMatrix.elements,a=r[14]/(r[10]-1),o=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],h=(r[8]-1)/r[0],u=(s[8]+1)/s[0],d=a*h,A=a*u,p=n/(-h+u),m=p*-h;e.matrixWorld.decompose(t.position,t.quaternion,t.scale),t.translateX(m),t.translateZ(p),t.matrixWorld.compose(t.position,t.quaternion,t.scale),t.matrixWorldInverse.copy(t.matrixWorld).invert();const g=a+p,f=o+p,v=d-m,_=A+(n-m),y=l*o/f*g,E=c*o/f*g;t.projectionMatrix.makePerspective(v,_,y,E,g,f),t.projectionMatrixInverse.copy(t.projectionMatrix).invert()}(I,x,S):I.projectionMatrix.copy(x.projectionMatrix),function(t,e,i){null===i?t.matrix.copy(e.matrixWorld):(t.matrix.copy(i.matrixWorld),t.matrix.invert(),t.matrix.multiply(e.matrixWorld));t.matrix.decompose(t.position,t.quaternion,t.scale),t.updateMatrixWorld(!0),t.projectionMatrix.copy(e.projectionMatrix),t.projectionMatrixInverse.copy(e.projectionMatrixInverse),t.isPerspectiveCamera&&(t.fov=2*re*Math.atan(1/t.projectionMatrix.elements[5]),t.zoom=1)}(t,I,e)},this.getCamera=function(){return I},this.getFoveation=function(){if(null!==u||null!==d)return o},this.setFoveation=function(t){o=t,null!==u&&(u.fixedFoveation=t),null!==d&&void 0!==d.fixedFoveation&&(d.fixedFoveation=t)},this.hasDepthSensing=function(){return null!==p.texture};let U=null;const P=new mr;P.setAnimationLoop((function(e,r){if(c=r.getViewerPose(l||s),A=r,null!==c){const e=c.views;null!==d&&(t.setRenderTargetFramebuffer(f,d.framebuffer),t.setRenderTarget(f));let i=!1;e.length!==I.cameras.length&&(I.cameras.length=0,i=!0);for(let n=0;n<e.length;n++){const r=e[n];let s=null;if(null!==d)s=d.getViewport(r);else{const e=h.getViewSubImage(u,r);s=e.viewport,0===n&&(t.setRenderTargetTextures(f,e.colorTexture,u.ignoreDepthValues?void 0:e.depthStencilTexture),t.setRenderTarget(f))}let a=C[n];void 0===a&&(a=new nr,a.layers.enable(n),a.viewport=new Ue,C[n]=a),a.matrix.fromArray(r.transform.matrix),a.matrix.decompose(a.position,a.quaternion,a.scale),a.projectionMatrix.fromArray(r.projectionMatrix),a.projectionMatrixInverse.copy(a.projectionMatrix).invert(),a.viewport.set(s.x,s.y,s.width,s.height),0===n&&(I.matrix.copy(a.matrix),I.matrix.decompose(I.position,I.quaternion,I.scale)),!0===i&&I.cameras.push(a)}const r=n.enabledFeatures;if(r&&r.includes("depth-sensing")){const i=h.getDepthInformation(e[0]);i&&i.isValid&&i.texture&&p.init(t,i,n.renderState)}}for(let t=0;t<v.length;t++){const e=_[t],i=v[t];null!==e&&void 0!==i&&i.update(e,r,l||s)}p.render(t,I),U&&U(e,r),r.detectedPlanes&&i.dispatchEvent({type:"planesdetected",data:r}),A=null})),this.setAnimationLoop=function(t){U=t},this.dispose=function(){}}}const $a=new Mi,Za=new gi;function to(t,e){function i(t,e){!0===t.matrixAutoUpdate&&t.updateMatrix(),e.value.copy(t.matrix)}function n(n,r){n.opacity.value=r.opacity,r.color&&n.diffuse.value.copy(r.color),r.emissive&&n.emissive.value.copy(r.emissive).multiplyScalar(r.emissiveIntensity),r.map&&(n.map.value=r.map,i(r.map,n.mapTransform)),r.alphaMap&&(n.alphaMap.value=r.alphaMap,i(r.alphaMap,n.alphaMapTransform)),r.bumpMap&&(n.bumpMap.value=r.bumpMap,i(r.bumpMap,n.bumpMapTransform),n.bumpScale.value=r.bumpScale,r.side===l&&(n.bumpScale.value*=-1)),r.normalMap&&(n.normalMap.value=r.normalMap,i(r.normalMap,n.normalMapTransform),n.normalScale.value.copy(r.normalScale),r.side===l&&n.normalScale.value.negate()),r.displacementMap&&(n.displacementMap.value=r.displacementMap,i(r.displacementMap,n.displacementMapTransform),n.displacementScale.value=r.displacementScale,n.displacementBias.value=r.displacementBias),r.emissiveMap&&(n.emissiveMap.value=r.emissiveMap,i(r.emissiveMap,n.emissiveMapTransform)),r.specularMap&&(n.specularMap.value=r.specularMap,i(r.specularMap,n.specularMapTransform)),r.alphaTest>0&&(n.alphaTest.value=r.alphaTest);const s=e.get(r),a=s.envMap,o=s.envMapRotation;

17if(a&&(n.envMap.value=a,$a.copy(o),$a.x*=-1,$a.y*=-1,$a.z*=-1,a.isCubeTexture&&!1===a.isRenderTargetTexture&&($a.y*=-1,$a.z*=-1),n.envMapRotation.value.setFromMatrix4(Za.makeRotationFromEuler($a)),n.flipEnvMap.value=a.isCubeTexture&&!1===a.isRenderTargetTexture?-1:1,n.reflectivity.value=r.reflectivity,n.ior.value=r.ior,n.refractionRatio.value=r.refractionRatio),r.lightMap){n.lightMap.value=r.lightMap;const e=!0===t._useLegacyLights?Math.PI:1;n.lightMapIntensity.value=r.lightMapIntensity*e,i(r.lightMap,n.lightMapTransform)}r.aoMap&&(n.aoMap.value=r.aoMap,n.aoMapIntensity.value=r.aoMapIntensity,i(r.aoMap,n.aoMapTransform))}return{refreshFogUniforms:function(e,i){i.color.getRGB(e.fogColor.value,Kn(t)),i.isFog?(e.fogNear.value=i.near,e.fogFar.value=i.far):i.isFogExp2&&(e.fogDensity.value=i.density)},refreshMaterialUniforms:function(t,r,s,a,o){r.isMeshBasicMaterial||r.isMeshLambertMaterial?n(t,r):r.isMeshToonMaterial?(n(t,r),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,r)):r.isMeshPhongMaterial?(n(t,r),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,r)):r.isMeshStandardMaterial?(n(t,r),function(t,e){t.metalness.value=e.metalness,e.metalnessMap&&(t.metalnessMap.value=e.metalnessMap,i(e.metalnessMap,t.metalnessMapTransform));t.roughness.value=e.roughness,e.roughnessMap&&(t.roughnessMap.value=e.roughnessMap,i(e.roughnessMap,t.roughnessMapTransform));e.envMap&&(t.envMapIntensity.value=e.envMapIntensity)}(t,r),r.isMeshPhysicalMaterial&&function(t,e,n){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,i(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,i(e.sheenRoughnessMap,t.sheenRoughnessMapTransform)));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,i(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,i(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,i(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===l&&t.clearcoatNormalScale.value.negate()));e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,i(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,i(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform)));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=n.texture,t.transmissionSamplerSize.value.set(n.width,n.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap,i(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,i(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,i(e.anisotropyMap,t.anisotropyMapTransform)));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,i(e.specularColorMap,t.specularColorMapTransform));e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,i(e.specularIntensityMap,t.specularIntensityMapTransform))}(t,r,o)):r.isMeshMatcapMaterial?(n(t,r),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,r)):r.isMeshDepthMaterial?n(t,r):r.isMeshDistanceMaterial?(n(t,r),function(t,i){const n=e.get(i).light;t.referencePosition.value.setFromMatrixPosition(n.matrixWorld),t.nearDistance.value=n.shadow.camera.near,t.farDistance.value=n.shadow.camera.far}(t,r)):r.isMeshNormalMaterial?n(t,r):r.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,i(e.map,t.mapTransform))}(t,r),r.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,r)):r.isPointsMaterial?function(t,e,n,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*n,t.scale.value=.5*r,e.map&&(t.map.value=e.map,i(e.map,t.uvTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,i(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r,s,a):r.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map,i(e.map,t.mapTransform));e.alphaMap&&(t.alphaMap.value=e.alphaMap,i(e.alphaMap,t.alphaMapTransform));e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}(t,r):r.isShadowMaterial?(t.color.value.copy(r.color),t.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function eo(t,e,i,n){let r={},s={},a=[];const o=t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS);function l(t,e,i,n){const r=t.value,s=e+"_"+i;if(void 0===n[s])return n[s]="number"==typeof r||"boolean"==typeof r?r:r.clone(),!0;{const t=n[s];if("number"==typeof r||"boolean"==typeof r){if(t!==r)return n[s]=r,!0}else if(!1===t.equals(r))return t.copy(r),!0}return!1}function c(t){const e={boundary:0,storage:0};return"number"==typeof t||"boolean"==typeof t?(e.boundary=4,e.storage=4):t.isVector2?(e.boundary=8,e.storage=8):t.isVector3||t.isColor?(e.boundary=16,e.storage=12):t.isVector4?(e.boundary=16,e.storage=16):t.isMatrix3?(e.boundary=48,e.storage=48):t.isMatrix4?(e.boundary=64,e.storage=64):t.isTexture?console.warn("THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group."):console.warn("THREE.WebGLRenderer: Unsupported uniform value type.",t),e}function h(e){const i=e.target;i.removeEventListener("dispose",h);const n=a.indexOf(i.__bindingPointIndex);a.splice(n,1),t.deleteBuffer(r[i.id]),delete r[i.id],delete s[i.id]}return{bind:function(t,e){const i=e.program;n.uniformBlockBinding(t,i)},update:function(i,u){let d=r[i.id];void 0===d&&(!function(t){const e=t.uniforms;let i=0;const n=16;for(let t=0,r=e.length;t<r;t++){const r=Array.isArray(e[t])?e[t]:[e[t]];for(let t=0,e=r.length;t<e;t++){const e=r[t],s=Array.isArray(e.value)?e.value:[e.value];for(let t=0,r=s.length;t<r;t++){const r=c(s[t]),a=i%n;0!==a&&n-a<r.boundary&&(i+=n-a),e.__data=new Float32Array(r.storage/Float32Array.BYTES_PER_ELEMENT),e.__offset=i,i+=r.storage}}}const r=i%n;r>0&&(i+=n-r);t.__size=i,t.__cache={}}(i),d=function(e){const i=function(){for(let t=0;t<o;t++)if(-1===a.indexOf(t))return a.push(t),t;return console.error("THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached."),0}();e.__bindingPointIndex=i;const n=t.createBuffer(),r=e.__size,s=e.usage;return t.bindBuffer(t.UNIFORM_BUFFER,n),t.bufferData(t.UNIFORM_BUFFER,r,s),t.bindBuffer(t.UNIFORM_BUFFER,null),t.bindBufferBase(t.UNIFORM_BUFFER,i,n),n}(i),r[i.id]=d,i.addEventListener("dispose",h));const A=u.program;n.updateUBOMapping(i,A);const p=e.render.frame;s[i.id]!==p&&(!function(e){const i=r[e.id],n=e.uniforms,s=e.__cache;t.bindBuffer(t.UNIFORM_BUFFER,i);for(let e=0,i=n.length;e<i;e++){const i=Array.isArray(n[e])?n[e]:[n[e]];for(let n=0,r=i.length;n<r;n++){const r=i[n];if(!0===l(r,e,n,s)){const e=r.__offset,i=Array.isArray(r.value)?r.value:[r.value];let n=0;for(let s=0;s<i.length;s++){const a=i[s],o=c(a);"number"==typeof a||"boolean"==typeof a?(r.__data[0]=a,t.bufferSubData(t.UNIFORM_BUFFER,e+n,r.__data)):a.isMatrix3?(r.__data[0]=a.elements[0],r.__data[1]=a.elements[1],r.__data[2]=a.elements[2],r.__data[3]=0,r.__data[4]=a.elements[3],r.__data[5]=a.elements[4],r.__data[6]=a.elements[5],r.__data[7]=0,r.__data[8]=a.elements[6],r.__data[9]=a.elements[7],r.__data[10]=a.elements[8],r.__data[11]=0):(a.toArray(r.__data,n),n+=o.storage/Float32Array.BYTES_PER_ELEMENT)}t.bufferSubData(t.UNIFORM_BUFFER,e,r.__data)}}}t.bindBuffer(t.UNIFORM_BUFFER,null)}(i),s[i.id]=p)},dispose:function(){for(const e in r)t.deleteBuffer(r[e]);a=[],r={},s={}}}}class io{constructor(t={}){const{canvas:e=fe(),context:i=null,depth:r=!0,stencil:s=!1,alpha:a=!1,antialias:h=!1,premultipliedAlpha:u=!0,preserveDrawingBuffer:d=!1,powerPreference:A="default",failIfMajorPerformanceCaveat:p=!1}=t;let m;

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17,this.compile=function(t,e,i=null){null===i&&(i=t),_=vt.get(i),_.init(),E.push(_),i.traverseVisible((function(t){t.isLight&&t.layers.test(e.layers)&&(_.pushLight(t),t.castShadow&&_.pushShadow(t))})),t!==i&&t.traverseVisible((function(t){t.isLight&&t.layers.test(e.layers)&&(_.pushLight(t),t.castShadow&&_.pushShadow(t))})),_.setupLights(x._useLegacyLights);const n=new Set;return t.traverse((function(t){const e=t.material;if(e)if(Array.isArray(e))for(let r=0;r<e.length;r++){const s=e[r];Qt(s,i,t),n.add(s)}else Qt(e,i,t),n.add(e)})),E.pop(),_=null,n},this.compileAsync=function(t,e,i=null){const n=this.compile(t,e,i);return new Promise((e=>{function i(){n.forEach((function(t){lt.get(t).currentProgram.isReady()&&n.delete(t)})),0!==n.size?setTimeout(i,10):e(t)}null!==J.get("KHR_parallel_shader_compile")?i():setTimeout(i,10)}))};let Ot=null;function kt(){Ht.stop()}function Gt(){Ht.start()}const Ht=new mr;function zt(t,e,i,n){if(!1===t.visible)return;if(t.layers.test(e.layers))if(t.isGroup)i=t.renderOrder;else if(t.isLOD)!0===t.autoUpdate&&t.update(e);else if(t.isLight)_.pushLight(t),t.castShadow&&_.pushShadow(t);else if(t.isSprite){if(!t.frustumCulled||z.intersectsSprite(t)){n&&j.setFromMatrixPosition(t.matrixWorld).applyMatrix4(q);const e=pt.update(t),r=t.material;r.visible&&v.push(t,e,r,i,j.z,null)}}else if((t.isMesh||t.isLine||t.isPoints)&&(!t.frustumCulled||z.intersectsObject(t))){const e=pt.update(t),r=t.material;if(n&&(void 0!==t.boundingSphere?(null===t.boundingSphere&&t.computeBoundingSphere(),j.copy(t.boundingSphere.center)):(null===e.boundingSphere&&e.computeBoundingSphere(),j.copy(e.boundingSphere.center)),j.applyMatrix4(t.matrixWorld).applyMatrix4(q)),Array.isArray(r)){const n=e.groups;for(let s=0,a=n.length;s<a;s++){const a=n[s],o=r[a.materialIndex];o&&o.visible&&v.push(t,e,o,i,j.z,a)}}else r.visible&&v.push(t,e,r,i,j.z,null)}const r=t.children;for(let t=0,s=r.length;t<s;t++)zt(r[t],e,i,n)}function Vt(t,e,i,n){const r=t.opaque,a=t.transmissive,o=t.transparent;_.setupLightsView(i),!0===V&&_t.setGlobalState(x.clippingPlanes,i),a.length>0&&function(t,e,i,n){const r=!0===i.isScene?i.overrideMaterial:null;if(null!==r)return;if(null===_.state.transmissionRenderTarget){_.state.transmissionRenderTarget=new Ne(1,1,{generateMipmaps:!0,type:J.has("EXT_color_buffer_half_float")||J.has("EXT_color_buffer_float")?rt:tt,minFilter:Z,samples:4,stencilBuffer:s});lt.get(_.state.transmissionRenderTarget).__isTransmissionRenderTarget=!0}const a=_.state.transmissionRenderTarget;x.getDrawingBufferSize(X),a.setSize(X.x,X.y);const o=x.getRenderTarget();x.setRenderTarget(a),x.getClearColor(L),U=x.getClearAlpha(),U<1&&x.setClearColor(16777215,.5);x.clear();const h=x.toneMapping;x.toneMapping=R,Wt(t,i,n),ct.updateMultisampleRenderTarget(a),ct.updateRenderTargetMipmap(a);let u=!1;for(let t=0,r=e.length;t<r;t++){const r=e[t],s=r.object,a=r.geometry,o=r.material,h=r.group;if(o.side===c&&s.layers.test(n.layers)){const t=o.side;o.side=l,o.needsUpdate=!0,qt(s,i,n,a,o,h),o.side=t,o.needsUpdate=!0,u=!0}}!0===u&&(ct.updateMultisampleRenderTarget(a),ct.updateRenderTargetMipmap(a));x.setRenderTarget(o),x.setClearColor(L,U),x.toneMapping=h}(r,a,e,i),n&&et.viewport(T.copy(n)),r.length>0&&Wt(r,e,i),a.length>0&&Wt(a,e,i),o.length>0&&Wt(o,e,i),et.buffers.depth.setTest(!0),et.buffers.depth.setMask(!0),et.buffers.color.setMask(!0),et.setPolygonOffset(!1)}function Wt(t,e,i){const n=!0===e.isScene?e.overrideMaterial:null;for(let r=0,s=t.length;r<s;r++){const s=t[r],a=s.object,o=s.geometry,l=null===n?s.material:n,c=s.group;a.layers.test(i.layers)&&qt(a,e,i,o,l,c)}}function qt(t,e,i,n,r,s){t.onBeforeRender(x,e,i,n,r,s),t.modelViewMatrix.multiplyMatrices(i.matrixWorldInverse,t.matrixWorld),t.normalMatrix.getNormalMatrix(t.modelViewMatrix),r.onBeforeRender(x,e,i,n,t,s),!0===r.transparent&&r.side===c&&!1===r.forceSinglePass?(r.side=l,r.needsUpdate=!0,x.renderBufferDirect(i,e,n,r,t,s),r.side=o,r.needsUpdate=!0,x.renderBufferDirect(i,e,n,r,t,s),r.side=c):x.renderBufferDirect(i,e,n,r,t,s),t.onAfterRender(x,e,i,n,r,s)}function Xt(t,e,i){!0!==e.isScene&&(e=Y);const n=lt.get(t),r=_.state.lights,s=_.state.shadowsArray,a=r.state.version,o=mt.getParameters(t,r.state,s,e,i),l=mt.getProgramCacheKey(o);let c=n.programs;n.environment=t.isMeshStandardMaterial?e.environment:null,n.fog=e.fog,n.envMap=(t.isMeshStandardMaterial?ut:ht).get(t.envMap||n.environment),n.envMapRotation=null!==n.environment&&null===t.envMap?e.environmentRotation:t.envMapRotation,void 0===c&&(t.addEventListener("dispose",Ft),c=new Map,n.programs=c);let h=c.get(l);if(void 0!==h){if(n.currentProgram===h&&n.lightsStateVersion===a)return Yt(t,o),h}else o.uniforms=mt.getUniforms(t),t.onBuild(i,o,x),t.onBeforeCompile(o,x),h=mt.acquireProgram(o,l),c.set(l,h),n.uniforms=o.uniforms;const u=n.uniforms;return(t.isShaderMaterial||t.isRawShaderMaterial)&&!0!==t.clipping||(u.clippingPlanes=_t.uniform),Yt(t,o),n.needsLights=function(t){return t.isMeshLambertMaterial||t.isMeshToonMaterial||t.isMeshPhongMaterial||t.isMeshStandardMaterial||t.isShadowMaterial||t.isShaderMaterial&&!0===t.lights}(t),n.lightsStateVersion=a,n.needsLights&&(u.ambientLightColor.value=r.state.ambient,u.lightProbe.value=r.state.probe,u.directionalLights.value=r.state.directional,u.directionalLightShadows.value=r.state.directionalShadow,u.spotLights.value=r.state.spot,u.spotLightShadows.value=r.state.spotShadow,u.rectAreaLights.value=r.state.rectArea,u.ltc_1.value=r.state.rectAreaLTC1,u.ltc_2.value=r.state.rectAreaLTC2,u.pointLights.value=r.state.point,u.pointLightShadows.value=r.state.pointShadow,u.hemisphereLights.value=r.state.hemi,u.directionalShadowMap.value=r.state.directionalShadowMap,u.directionalShadowMatrix.value=r.state.directionalShadowMatrix,u.spotShadowMap.value=r.state.spotShadowMap,u.spotLightMatrix.value=r.state.spotLightMatrix,u.spotLightMap.value=r.state.spotLightMap,u.pointShadowMap.value=r.state.pointShadowMap,u.pointShadowMatrix.value=r.state.pointShadowMatrix),n.currentProgram=h,n.uniformsList=null,h}function jt(t){if(null===t.uniformsList){const e=t.currentProgram.getUniforms();t.uniformsList=aa.seqWithValue(e.seq,t.uniforms)}return t.uniformsList}function Yt(t,e){const i=lt.get(t);i.outputColorSpace=e.outputColorSpace,i.batching=e.batching,i.instancing=e.instancing,i.instancingColor=e.instancingColor,i.instancingMorph=e.instancingMorph,i.skinning=e.skinning,i.morphTargets=e.morphTargets,i.morphNormals=e.morphNormals,i.morphColors=e.morphColors,i.morphTargetsCount=e.morphTargetsCount,i.numClippingPlanes=e.numClippingPlanes,i.numIntersection=e.numClipIntersection,i.vertexAlphas=e.vertexAlphas,i.vertexTangents=e.vertexTangents,i.toneMapping=e.toneMapping}Ht.setAnimationLoop((function(t){Ot&&Ot(t)})),"undefined"!=typeof self&&Ht.setContext(self),this.setAnimationLoop=function(t){Ot=t,Rt.setAnimationLoop(t),null===t?Ht.stop():Ht.start()},Rt.addEventListener("sessionstart",kt),Rt.addEventListener("sessionend",Gt),this.render=function(t,e){if(void 0!==e&&!0!==e.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===S)return;!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),null===e.parent&&!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),!0===Rt.enabled&&!0===Rt.isPresenting&&(!0===Rt.cameraAutoUpdate&&Rt.updateCamera(e),e=Rt.getCamera()),!0===t.isScene&&t.onBeforeRender(x,t,e,M),_=vt.get(t,E.length),_.init(),E.push(_),q.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),z.setFromProjectionMatrix(q),W=this.localClippingEnabled,V=_t.init(this.clippingPlanes,W),v=ft.get(t,y.length),v.init(),y.push(v),zt(t,e,0,x.sortObjects),v.finish(),!0===x.sortObjects&&v.sort(Q,O),this.info.render.frame++,!0===V&&_t.beginShadows();const i=_.state.shadowsArray;if(yt.render(i,t,e),!0===V&&_t.endShadows(),!0===this.info.autoReset&&this.info.reset(),!1!==Rt.enabled&&!1!==Rt.isPresenting&&!1!==Rt.hasDepthSensing()||Et.render(v,t),_.setupLights(x._useLegacyLights),e.isArrayCamera){const i=e.cameras;for(let e=0,n=i.length;e<n;e++){const n=i[e];Vt(v,t,n,n.viewport)}}else Vt(v,t,e);null!==M&&(ct.updateMultisampleRenderTarget(M),ct.updateRenderTargetMipmap(M)),!0===t.isScene&&t.onAfterRender(x,t,e),Mt.resetDefaultState(),w=-1,b=null,E.pop(),_=E.length>0?E[E.length-1]:null,y.pop(),v=y.length>0?y[y.length-1]:null},this.getActiveCubeFace=function(){return C},this.getActiveMipmapLevel=function(){return I},this.getRenderTarget=function(){return M},this.setRenderTargetTextures=function(t,e,i){lt.get(t.texture).__webglTexture=e,lt.get(t.depthTexture).__webglTexture=i;const n=lt.get(t);n.__hasExternalTextures=!0,n.__autoAllocateDepthBuffer=void 0===i,n.__autoAllocateDepthBuffer||!0===J.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),n.__useRenderToTexture=!1)},this.setRenderTargetFramebuffer=function(t,e){const i=lt.get(t);i.__webglFramebuffer=e,i.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,i=0){M=t,C=e,I=i;let n=!0,r=null,s=!1,a=!1;if(t){const o=lt.get(t);void 0!==o.__useDefaultFramebuffer?(et.bindFramebuffer(bt.FRAMEBUFFER,null),n=!1):void 0===o.__webglFramebuffer?ct.setupRenderTarget(t):o.__hasExternalTextures&&ct.rebindTextures(t,lt.get(t.texture).__webglTexture,lt.get(t.depthTexture).__webglTexture);const l=t.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(a=!0);const c=lt.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=Array.isArray(c[e])?c[e][i]:c[e],s=!0):r=t.samples>0&&!1===ct.useMultisampledRTT(t)?lt.get(t).__webglMultisampledFramebuffer:Array.isArray(c)?c[i]:c,T.copy(t.viewport),B.copy(t.scissor),D=t.scissorTest}else T.copy(k).multiplyScalar(F).floor(),B.copy(G).multiplyScalar(F).floor(),D=H;if(et.bindFramebuffer(bt.FRAMEBUFFER,r)&&n&&et.drawBuffers(t,r),et.viewport(T),et.scissor(B),et.setScissorTest(D),s){const n=lt.get(t.texture);bt.framebufferTexture2D(bt.FRAMEBUFFER,bt.COLOR_ATTACHMENT0,bt.TEXTURE_CUBE_MAP_POSITIVE_X+e,n.__webglTexture,i)}else if(a){const n=lt.get(t.texture),r=e||0;bt.framebufferTextureLayer(bt.FRAMEBUFFER,bt.COLOR_ATTACHMENT0,n.__webglTexture,i||0,r)}w=-1},this.readRenderTargetPixels=function(t,e,i,n,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=lt.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){et.bindFramebuffer(bt.FRAMEBUFFER,o);try{const a=t.texture,o=a.format,l=a.type;if(o!==at&&It.convert(o)!==bt.getParameter(bt.IMPLEMENTATION_COLOR_READ_FORMAT))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const c=l===rt&&(J.has("EXT_color_buffer_half_float")||J.has("EXT_color_buffer_float"));if(l!==tt&&It.convert(l)!==bt.getParameter(bt.IMPLEMENTATION_COLOR_READ_TYPE)&&l!==nt&&!c)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-n&&i>=0&&i<=t.height-r&&bt.readPixels(e,i,n,r,It.convert(o),It.convert(l),s)}finally{const t=null!==M?lt.get(M).__webglFramebuffer:null;et.bindFramebuffer(bt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e,i=0){const n=Math.pow(2,-i),r=Math.floor(e.image.width*n),s=Math.floor(e.image.height*n);ct.setTexture2D(e,0),bt.copyTexSubImage2D(bt.TEXTURE_2D,i,0,0,t.x,t.y,r,s),et.unbindTexture()},this.copyTextureToTexture=function(t,e,i,n=0){const r=e.image.width,s=e.image.height,a=It.convert(i.format),o=It.convert(i.type);ct.setTexture2D(i,0),bt.pixelStorei(bt.UNPACK_FLIP_Y_WEBGL,i.flipY),bt.pixelStorei(bt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,i.premultiplyAlpha),bt.pixelStorei(bt.UNPACK_ALIGNMENT,i.unpackAlignment),e.isDataTexture?bt.texSubImage2D(bt.TEXTURE_2D,n,t.x,t.y,r,s,a,o,e.image.data):e.isCompressedTexture?bt.compressedTexSubImage2D(bt.TEXTURE_2D,n,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,a,e.mipmaps[0].data):bt.texSubImage2D(bt.TEXTURE_2D,n,t.x,t.y,a,o,e.image),0===n&&i.generateMipmaps&&bt.generateMipmap(bt.TEXTURE_2D),et.unbindTexture()},this.copyTextureToTexture3D=function(t,e,i,n,r=0){const s=Math.round(t.max.x-t.min.x),a=Math.round(t.max.y-t.min.y),o=t.max.z-t.min.z+1,l=It.convert(n.format),c=It.convert(n.type);let h;if(n.isData3DTexture)ct.setTexture3D(n,0),h=bt.TEXTURE_3D;else{if(!n.isDataArrayTexture&&!n.isCompressedArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");ct.setTexture2DArray(n,0),h=bt.TEXTURE_2D_ARRAY}bt.pixelStorei(bt.UNPACK_FLIP_Y_WEBGL,n.flipY),bt.pixelStorei(bt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),bt.pixelStorei(bt.UNPACK_ALIGNMENT,n.unpackAlignment);const u=bt.getParameter(bt.UNPACK_ROW_LENGTH),d=bt.getParameter(bt.UNPACK_IMAGE_HEIGHT),A=bt.getParameter(bt.UNPACK_SKIP_PIXELS),p=bt.getParameter(bt.UNPACK_SKIP_ROWS),m=bt.getParameter(bt.UNPACK_SKIP_IMAGES),g=i.isCompressedTexture?i.mipmaps[r]:i.image;bt.pixelStorei(bt.UNPACK_ROW_LENGTH,g.width),bt.pixelStorei(bt.UNPACK_IMAGE_HEIGHT,g.height),bt.pixelStorei(bt.UNPACK_SKIP_PIXELS,t.min.x),bt.pixelStorei(bt.UNPACK_SKIP_ROWS,t.min.y),bt.pixelStorei(bt.UNPACK_SKIP_IMAGES,t.min.z),i.isDataTexture||i.isData3DTexture?bt.texSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,c,g.data):n.isCompressedArrayTexture?bt.compressedTexSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,g.data):bt.texSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,c,g),bt.pixelStorei(bt.UNPACK_ROW_LENGTH,u),bt.pixelStorei(bt.UNPACK_IMAGE_HEIGHT,d),bt.pixelStorei(bt.UNPACK_SKIP_PIXELS,A),bt.pixelStorei(bt.UNPACK_SKIP_ROWS,p),bt.pixelStorei(bt.UNPACK_SKIP_IMAGES,m),0===r&&n.generateMipmaps&&bt.generateMipmap(h),et.unbindTexture()},this.initTexture=function(t){t.isCubeTexture?ct.setTextureCube(t,0):t.isData3DTexture?ct.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?ct.setTexture2DArray(t,0):ct.setTexture2D(t,0),et.unbindTexture()},this.resetState=function(){C=0,I=0,M=null,et.reset(),Mt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return $t}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(t){this._outputColorSpace=t;const e=this.getContext();e.drawingBufferColorSpace=t===Pt?"display-p3":"srgb",e.unpackColorSpace=Ce.workingColorSpace===Nt?"display-p3":"srgb"}get useLegacyLights(){return console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."),this._useLegacyLights}set useLegacyLights(t){console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."),this._useLegacyLights=t}}class no extends zi{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new Mi,this.environmentIntensity=1,this.environmentRotation=new Mi,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}class ro{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=Kt,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=se()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}get updateRange(){return _e("THREE.InterleavedBuffer: 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.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,i){t*=this.stride,i*=e.stride;for(let n=0,r=this.stride;n<r;n++)this.array[t+n]=e.array[i+n];return this}set(t,e=0){return this.array.set(t,e),this}clone(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=se()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),i=new this.constructor(e,this.stride);return i.setUsage(this.usage),i}onUpload(t){return this.onUploadCallback=t,this}toJSON(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=se()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const so=new ke;class ao{constructor(t,e,i,n=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=t,this.itemSize=e,this.offset=i,this.normalized=n}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(t){this.data.needsUpdate=t}applyMatrix4(t){for(let e=0,i=this.data.count;e<i;e++)so.fromBufferAttribute(this,e),so.applyMatrix4(t),this.setXYZ(e,so.x,so.y,so.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)so.fromBufferAttribute(this,e),so.applyNormalMatrix(t),this.setXYZ(e,so.x,so.y,so.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)so.fromBufferAttribute(this,e),so.transformDirection(t),this.setXYZ(e,so.x,so.y,so.z);return this}getComponent(t,e){let i=this.array[t*this.data.stride+this.offset+e];return this.normalized&&(i=ce(i,this.array)),i}setComponent(t,e,i){return this.normalized&&(i=he(i,this.array)),this.data.array[t*this.data.stride+this.offset+e]=i,this}setX(t,e){return this.normalized&&(e=he(e,this.array)),this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.normalized&&(e=he(e,this.array)),this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.normalized&&(e=he(e,this.array)),this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.normalized&&(e=he(e,this.array)),this.data.array[t*this.data.stride+this.offset+3]=e,this}getX(t){let e=this.data.array[t*this.data.stride+this.offset];return this.normalized&&(e=ce(e,this.array)),e}getY(t){let e=this.data.array[t*this.data.stride+this.offset+1];return this.normalized&&(e=ce(e,this.array)),e}getZ(t){let e=this.data.array[t*this.data.stride+this.offset+2];return this.normalized&&(e=ce(e,this.array)),e}getW(t){let e=this.data.array[t*this.data.stride+this.offset+3];return this.normalized&&(e=ce(e,this.array)),e}setXY(t,e,i){return t=t*this.data.stride+this.offset,this.normalized&&(e=he(e,this.array),i=he(i,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this}

17setXYZ(t,e,i,n){return t=t*this.data.stride+this.offset,this.normalized&&(e=he(e,this.array),i=he(i,this.array),n=he(n,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=n,this}setXYZW(t,e,i,n,r){return t=t*this.data.stride+this.offset,this.normalized&&(e=he(e,this.array),i=he(i,this.array),n=he(n,this.array),r=he(r,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=n,this.data.array[t+3]=r,this}clone(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return new gn(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new ao(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}const oo=new ke,lo=new Ue,co=new Ue,ho=new ke,uo=new gi,Ao=new ke,po=new oi,mo=new gi,go=new mi;class fo extends Wn{constructor(t,e){super(t,e),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=O,this.bindMatrix=new gi,this.bindMatrixInverse=new gi,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const t=this.geometry;null===this.boundingBox&&(this.boundingBox=new ze),this.boundingBox.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,Ao),this.boundingBox.expandByPoint(Ao)}computeBoundingSphere(){const t=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new oi),this.boundingSphere.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,Ao),this.boundingSphere.expandByPoint(Ao)}copy(t,e){return super.copy(t,e),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}raycast(t,e){const i=this.material,n=this.matrixWorld;void 0!==i&&(null===this.boundingSphere&&this.computeBoundingSphere(),po.copy(this.boundingSphere),po.applyMatrix4(n),!1!==t.ray.intersectsSphere(po)&&(mo.copy(n).invert(),go.copy(t.ray).applyMatrix4(mo),null!==this.boundingBox&&!1===go.intersectsBox(this.boundingBox)||this._computeIntersections(t,e,go)))}getVertexPosition(t,e){return super.getVertexPosition(t,e),this.applyBoneTransform(t,e),e}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new Ue,e=this.geometry.attributes.skinWeight;for(let i=0,n=e.count;i<n;i++){t.fromBufferAttribute(e,i);const n=1/t.manhattanLength();n!==1/0?t.multiplyScalar(n):t.set(1,0,0,0),e.setXYZW(i,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),this.bindMode===O?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(t,e){const i=this.skeleton,n=this.geometry;lo.fromBufferAttribute(n.attributes.skinIndex,t),co.fromBufferAttribute(n.attributes.skinWeight,t),oo.copy(e).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(let t=0;t<4;t++){const n=co.getComponent(t);if(0!==n){const r=lo.getComponent(t);uo.multiplyMatrices(i.bones[r].matrixWorld,i.boneInverses[r]),e.addScaledVector(ho.copy(oo).applyMatrix4(uo),n)}}return e.applyMatrix4(this.bindMatrixInverse)}}class vo extends zi{constructor(){super(),this.isBone=!0,this.type="Bone"}}class _o extends Le{constructor(t=null,e=1,i=1,n,r,s,a,o,l=1003,c=1003,h,u){super(null,s,a,o,l,c,n,r,h,u),this.isDataTexture=!0,this.image={data:t,width:e,height:i},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const yo=new gi,Eo=new gi;class xo{constructor(t=[],e=[]){this.uuid=se(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new gi)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new gi;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,i=this.boneMatrices,n=this.boneTexture;for(let n=0,r=t.length;n<r;n++){const r=t[n]?t[n].matrixWorld:Eo;yo.multiplyMatrices(r,e[n]),yo.toArray(i,16*n)}null!==n&&(n.needsUpdate=!0)}clone(){return new xo(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);

17const i=new _o(e,t,t,at,nt);return i.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=i,this}getBoneByName(t){for(let e=0,i=this.bones.length;e<i;e++){const i=this.bones[e];if(i.name===t)return i}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let i=0,n=t.bones.length;i<n;i++){const n=t.bones[i];let r=e[n];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",n),r=new vo),this.bones.push(r),this.boneInverses.push((new gi).fromArray(t.boneInverses[i]))}return this.init(),this}toJSON(){const t={metadata:{version:4.6,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,i=this.boneInverses;for(let n=0,r=e.length;n<r;n++){const r=e[n];t.bones.push(r.uuid);const s=i[n];t.boneInverses.push(s.toArray())}return t}}class So extends gn{constructor(t,e,i,n=1){super(t,e,i),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=n}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}toJSON(){const t=super.toJSON();return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}const Co=new gi,Io=new gi,Mo=[],wo=new ze,bo=new gi,To=new Wn,Bo=new oi;class Ro extends Wn{constructor(t,e,i){super(t,e),this.isInstancedMesh=!0,this.instanceMatrix=new So(new Float32Array(16*i),16),this.instanceColor=null,this.morphTexture=null,this.count=i,this.boundingBox=null,this.boundingSphere=null;for(let t=0;t<i;t++)this.setMatrixAt(t,bo)}computeBoundingBox(){const t=this.geometry,e=this.count;null===this.boundingBox&&(this.boundingBox=new ze),null===t.boundingBox&&t.computeBoundingBox(),this.boundingBox.makeEmpty();for(let i=0;i<e;i++)this.getMatrixAt(i,Co),wo.copy(t.boundingBox).applyMatrix4(Co),this.boundingBox.union(wo)}computeBoundingSphere(){const t=this.geometry,e=this.count;null===this.boundingSphere&&(this.boundingSphere=new oi),null===t.boundingSphere&&t.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let i=0;i<e;i++)this.getMatrixAt(i,Co),Bo.copy(t.boundingSphere).applyMatrix4(Co),this.boundingSphere.union(Bo)}copy(t,e){return super.copy(t,e),this.instanceMatrix.copy(t.instanceMatrix),null!==t.morphTexture&&(this.morphTexture=t.morphTexture.clone()),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}getColorAt(t,e){e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){e.fromArray(this.instanceMatrix.array,16*t)}getMorphAt(t,e){const i=e.morphTargetInfluences,n=this.morphTexture.source.data.data,r=t*(i.length+1)+1;for(let t=0;t<i.length;t++)i[t]=n[r+t]}raycast(t,e){const i=this.matrixWorld,n=this.count;if(To.geometry=this.geometry,To.material=this.material,void 0!==To.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),Bo.copy(this.boundingSphere),Bo.applyMatrix4(i),!1!==t.ray.intersectsSphere(Bo)))for(let r=0;r<n;r++){this.getMatrixAt(r,Co),Io.multiplyMatrices(i,Co),To.matrixWorld=Io,To.raycast(t,Mo);for(let t=0,i=Mo.length;t<i;t++){const i=Mo[t];i.instanceId=r,i.object=this,e.push(i)}Mo.length=0}}setColorAt(t,e){null===this.instanceColor&&(this.instanceColor=new So(new Float32Array(3*this.instanceMatrix.count),3)),e.toArray(this.instanceColor.array,3*t)}setMatrixAt(t,e){e.toArray(this.instanceMatrix.array,16*t)}setMorphAt(t,e){const i=e.morphTargetInfluences,n=i.length+1;null===this.morphTexture&&(this.morphTexture=new _o(new Float32Array(n*this.count),n,this.count,ct,nt));const r=this.morphTexture.source.data.data;let s=0;for(let t=0;t<i.length;t++)s+=i[t];const a=this.geometry.morphTargetsRelative?1:1-s,o=n*t;r[o]=a,r.set(i,o+1)}updateMorphTargets(){}dispose(){return this.dispatchEvent({type:"dispose"}),null!==this.morphTexture&&(this.morphTexture.dispose(),this.morphTexture=null),this}}class Do extends cn{constructor(t){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new an(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.fog=t.fog,this}}const Lo=new ke,Uo=new ke,Po=new gi,No=new mi,Fo=new oi;class Qo extends zi{constructor(t=new wn,e=new Do){super(),this.isLine=!0,this.type="Line",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[0];for(let t=1,n=e.count;t<n;t++)Lo.fromBufferAttribute(e,t-1),Uo.fromBufferAttribute(e,t),i[t]=i[t-1],i[t]+=Lo.distanceTo(Uo);t.setAttribute("lineDistance",new _n(i,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(t,e){const i=this.geometry,n=this.matrixWorld,r=t.params.Line.threshold,s=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),Fo.copy(i.boundingSphere),Fo.applyMatrix4(n),Fo.radius+=r,!1===t.ray.intersectsSphere(Fo))return;Po.copy(n).invert(),No.copy(t.ray).applyMatrix4(Po);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=new ke,c=new ke,h=new ke,u=new ke,d=this.isLineSegments?2:1,A=i.index,p=i.attributes.position;if(null!==A){for(let i=Math.max(0,s.start),n=Math.min(A.count,s.start+s.count)-1;i<n;i+=d){const n=A.getX(i),r=A.getX(i+1);l.fromBufferAttribute(p,n),c.fromBufferAttribute(p,r);if(No.distanceSqToSegment(l,c,u,h)>

17o)continue;u.applyMatrix4(this.matrixWorld);const s=t.ray.origin.distanceTo(u);s<t.near||s>t.far||e.push({distance:s,point:h.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this})}}else{for(let i=Math.max(0,s.start),n=Math.min(p.count,s.start+s.count)-1;i<n;i+=d){l.fromBufferAttribute(p,i),c.fromBufferAttribute(p,i+1);if(No.distanceSqToSegment(l,c,u,h)>o)continue;u.applyMatrix4(this.matrixWorld);const n=t.ray.origin.distanceTo(u);n<t.near||n>t.far||e.push({distance:n,point:h.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this})}}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}const Oo=new ke,ko=new ke;class Go extends Qo{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[];for(let t=0,n=e.count;t<n;t+=2)Oo.fromBufferAttribute(e,t),ko.fromBufferAttribute(e,t+1),i[t]=0===t?0:i[t-1],i[t+1]=i[t]+Oo.distanceTo(ko);t.setAttribute("lineDistance",new _n(i,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Ho extends Qo{constructor(t,e){super(t,e),this.isLineLoop=!0,this.type="LineLoop"}}class zo extends cn{constructor(t){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new an(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const Vo=new gi,Wo=new mi,qo=new oi,Xo=new ke;class jo extends zi{constructor(t=new wn,e=new zo){super(),this.isPoints=!0,this.type="Points",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}raycast(t,e){const i=this.geometry,n=this.matrixWorld,r=t.params.Points.threshold,s=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),qo.copy(i.boundingSphere),qo.applyMatrix4(n),qo.radius+=r,!1===t.ray.intersectsSphere(qo))return;Vo.copy(n).invert(),Wo.copy(t.ray).applyMatrix4(Vo);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=i.index,c=i.attributes.position;if(null!==l){for(let i=Math.max(0,s.start),r=Math.min(l.count,s.start+s.count);i<r;i++){const r=l.getX(i);Xo.fromBufferAttribute(c,r),Yo(Xo,r,o,n,t,e,this)}}else{for(let i=Math.max(0,s.start),r=Math.min(c.count,s.start+s.count);i<r;i++)Xo.fromBufferAttribute(c,i),Yo(Xo,i,o,n,t,e,this)}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function Yo(t,e,i,n,r,s,a){const o=Wo.distanceSqToPoint(t);if(o<i){const i=new ke;Wo.closestPointToPoint(t,i),i.applyMatrix4(n);const l=r.ray.origin.distanceTo(i);if(l<r.near||l>r.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:i,index:e,face:null,object:a})}}class Ko extends Le{constructor(t,e,i,n,r,s,a,o,l){super(t,e,i,n,r,s,a,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==s?s:J,this.magFilter=void 0!==r?r:J,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){c.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class Jo extends Le{constructor(t,e,i,n,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,n,r,h,u),this.isCompressedTexture=!0,this.image={width:e,height:i},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class $o extends Jo{constructor(t,e,i,n,r,s){super(t,e,i,r,s),this.isCompressedArrayTexture=!0,this.image.depth=n,this.wrapR=q}}class Zo extends Jo{constructor(t,e,i){super(void 0,t[0].width,t[0].height,e,i,G),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class tl extends Le{constructor(t,e,i,n,r,s,a,o,l){super(t,e,i,n,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}}class el extends wn{constructor(t=1,e=32,i=16,n=0,r=2*Math.PI,s=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radiu

17s:t,widthSegments:e,heightSegments:i,phiStart:n,phiLength:r,thetaStart:s,thetaLength:a},e=Math.max(3,Math.floor(e)),i=Math.max(2,Math.floor(i));const o=Math.min(s+a,Math.PI);let l=0;const c=[],h=new ke,u=new ke,d=[],A=[],p=[],m=[];for(let d=0;d<=i;d++){const g=[],f=d/i;let v=0;0===d&&0===s?v=.5/e:d===i&&o===Math.PI&&(v=-.5/e);for(let i=0;i<=e;i++){const o=i/e;h.x=-t*Math.cos(n+o*r)*Math.sin(s+f*a),h.y=t*Math.cos(s+f*a),h.z=t*Math.sin(n+o*r)*Math.sin(s+f*a),A.push(h.x,h.y,h.z),u.copy(h).normalize(),p.push(u.x,u.y,u.z),m.push(o+v,1-f),g.push(l++)}c.push(g)}for(let t=0;t<i;t++)for(let n=0;n<e;n++){const e=c[t][n+1],r=c[t][n],a=c[t+1][n],l=c[t+1][n+1];(0!==t||s>0)&&d.push(e,r,l),(t!==i-1||o<Math.PI)&&d.push(r,a,l)}this.setIndex(d),this.setAttribute("position",new _n(A,3)),this.setAttribute("normal",new _n(p,3)),this.setAttribute("uv",new _n(m,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new el(t.radius,t.widthSegments,t.heightSegments,t.phiStart,t.phiLength,t.thetaStart,t.thetaLength)}}class il extends cn{constructor(t){super(),this.isMeshStandardMaterial=!0,this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new an(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new an(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new de(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new Mi,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class nl extends il{constructor(t){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new de(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return ae(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new an(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new an(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new an(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(t)}get anisotropy(){return this._anisotropy}set anisotropy(t){this._anisotropy>0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}function rl(t,e,i){return!t||!i&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function sl(t){const e=t.length,i=new Array(e);for(let t=0;t!==e;++t)i[t]=t;return i.sort((function(e,i){return t[e]-t[i]})),i}function al(t,e,i){const n=t.length,r=new t.constructor(n);for(let s=0,a=0;a!==n;++s){const n=i[s]*e;for(let i=0;i!==e;++i)r[a++]=t[n+i]}return r}function ol(t,e,i,n){let r=1,s=t[0];for(;void 0!==s&&void 0===s[n];)s=t[r++];if(void 0===s)return;let a=s[n];if(void 0!==a)if(Array.isArray(a))do{a=s[n],void 0!==a&&(e.push(s.time),i.push.apply(i,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[n],void 0!==a&&(e.push(s.time),a.toArray(i,i.length)),s=t[r++]}while(void 0!==s);else do{a=s[n],void 0!==a&&(e.push(s.time),i.push(a)),s=t[r++]}while(void 0!==s)}class ll{constructor(t,e,i,n){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==n?n:new e.constructor(i),this.sampleValues=e,this.valueSize=i,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let i=this._cachedIndex,n=e[i],r=e[i-1];t:{e:{let s;i:{n:if(!(t<n)){for(let s=i+2;;){if(void 0===n){if(t<r)break n;return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}if(i===s)break;if(r=n,n=e[++i],t<n)break e}s=e.length;break i}if(t>=r)break t;{const a=e[1];t<a&&(i=2,r=a);for(let s=i-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(i===s)break;if(n=r,r=e[--i-1],t>=r)break e}s=i,i=0}}for(;i<s;){const n=i+s>>>1;t<e[n]?s=n:i=n+1}if(n=e[i],r=e[i-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===n)return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}this._cachedIndex=i,this.intervalChanged_(i,r,n)}return this.interpolate_(i,r,t,n)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,i=this.sampleValues,n=this.valueSize,r=t*n;for(let t=0;t!==n;++t)e[t]=i[r+t];return e}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class cl extends ll{constructor(t,e,i,n){super(t,e,i,n),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:bt,endingEnd:bt}}intervalChanged_(t,e,i){const n=this.parameterPositions;let r=t-2,s=t+1,a=n[r],o=n[s];if(void 0===a)switch(this.getSettings_().endingStart){case Tt:r=t,a=2*e-i;break;case Bt:r=n.length-2,a=e+n[r]-n[r+1];break;default:r=t,a=i}if(void 0===o)switch(this.getSettings_().endingEnd){case Tt:s=t,o=2*i-e;break;case Bt:s=1,o=i+n[1]-n[0];break;default:s=t-1,o=e}const l=.5*(i-e),c=this.valueSize;this._weightPrev=l/(e-a),this._weightNext=l/(o-i),this._offsetPrev=r*c,this._offsetNext=s*c}interpolate_(t,e,i,n){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,c=this._offsetPrev,h=this._offsetNext,u=this._weightPrev,d=this._weightNext,A=(i-e)/(n-e),p=A*A,m=p*A,g=-u*m+2*u*p-u*A,f=(1+u)*m+(-1.5-2*u)*p+(-.5+u)*A+1,v=(-1-d)*m+(1.5+d)*p+.5*A,_=d*m-d*p;for(let t=0;t!==a;++t)r[t]=g*s[c+t]+f*s[l+t]+v*s[o+t]+_*s[h+t];return r}}class hl extends ll{constructor(t,e,i,n){super(t,e,i,n)}interpolate_(t,e,i,n){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,c=(i-e)/(n-e),h=1-c;for(let t=0;t!==a;++t)r[t]=s[l+t]*h+s[o+t]*c;return r}}class ul extends ll{constructor(t,e,i,n){super(t,e,i,n)}interpolate_(t){return this.copySampleValue_(t-1)}}class dl{constructor(t,e,i,n){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=rl(e,this.TimeBufferType),this.values=rl(i,this.ValueBufferType),this.setInterpolation(n||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let i;if(e.toJSON!==this.toJSON)i=e.toJSON(t);else{i={name:t.name,times:rl(t.times,Array),values:rl(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(i.interpolation=e)}return i.type=t.ValueTypeName,i}InterpolantFactoryMethodDiscrete(t){return new ul(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new hl(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new cl(this.times,this.values,this.getValueSize(),t)}setInterpolation(t){let e;switch(t){case It:e=this.InterpolantFactoryMethodDiscrete;break;case Mt:e=this.InterpolantFactoryMethodLinear;break;case wt:e=this.InterpolantFactoryMethodSmooth}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return It;case this.InterpolantFactoryMethodLinear:return Mt;case this.InterpolantFactoryMethodSmooth:return wt}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let i=0,n=e.length;i!==n;++i)e[i]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let i=0,n=e.length;i!==n;++i)e[i]*=t}return this}trim(t,e){const i=this.times,n=i.length;let r=0,s=n-1;for(;r!==n&&i[r]<t;)++r;for(;-1!==s&&i[s]>e;)--s;if(++s,0!==r||s!==n){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=i.slice(r,s),this.values=this.values.slice(r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const i=this.times,n=this.values,r=i.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const n=i[e];if("number"==typeof n&&isNaN(n)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,n),t=!1;break}if(null!==s&&s>n){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,n,s),t=!1;break}s=n}if(void 0!==n&&(a=n,ArrayBuffer.isView(a)&&!(a instanceof DataView)))for(let e=0,i=n.length;e!==i;++e){const i=n[e];if(isNaN(i)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,i),t=!1;break}}var a;return t}optimize(){const t=this.times.slice(),e=this.values.slice(),i=this.getValueSize(),n=this.getInterpolation()===wt,r=t.length-1;let s=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(n)r=!0;else{const t=a*i,n=t-i,s=t+i;for(let a=0;a!==i;++a){const i=e[t+a];if(i!==e[n+a]||i!==e[s+a]){r=!0;break}}}if(r){if(a!==s){t[s]=t[a];const n=a*i,r=s*i;for(let t=0;t!==i;++t)e[r+t]=e[n+t]}++s}}if(r>0){t[s]=t[r];for(let t=r*i,n=s*i,a=0;a!==i;

17++a)e[n+a]=e[t+a];++s}return s!==t.length?(this.times=t.slice(0,s),this.values=e.slice(0,s*i)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),i=new(0,this.constructor)(this.name,t,e);return i.createInterpolant=this.createInterpolant,i}}dl.prototype.TimeBufferType=Float32Array,dl.prototype.ValueBufferType=Float32Array,dl.prototype.DefaultInterpolation=Mt;class Al extends dl{}Al.prototype.ValueTypeName="bool",Al.prototype.ValueBufferType=Array,Al.prototype.DefaultInterpolation=It,Al.prototype.InterpolantFactoryMethodLinear=void 0,Al.prototype.InterpolantFactoryMethodSmooth=void 0;class pl extends dl{}pl.prototype.ValueTypeName="color";class ml extends dl{}ml.prototype.ValueTypeName="number";class gl extends ll{constructor(t,e,i,n){super(t,e,i,n)}interpolate_(t,e,i,n){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(i-e)/(n-e);let l=t*a;for(let t=l+a;l!==t;l+=4)Oe.slerpFlat(r,0,s,l-a,s,l,o);return r}}class fl extends dl{InterpolantFactoryMethodLinear(t){return new gl(this.times,this.values,this.getValueSize(),t)}}fl.prototype.ValueTypeName="quaternion",fl.prototype.DefaultInterpolation=Mt,fl.prototype.InterpolantFactoryMethodSmooth=void 0;class vl extends dl{}vl.prototype.ValueTypeName="string",vl.prototype.ValueBufferType=Array,vl.prototype.DefaultInterpolation=It,vl.prototype.InterpolantFactoryMethodLinear=void 0,vl.prototype.InterpolantFactoryMethodSmooth=void 0;class _l extends dl{}_l.prototype.ValueTypeName="vector";class yl{constructor(t="",e=-1,i=[],n=2500){this.name=t,this.tracks=i,this.duration=e,this.blendMode=n,this.uuid=se(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],i=t.tracks,n=1/(t.fps||1);for(let t=0,r=i.length;t!==r;++t)e.push(El(i[t]).scale(n));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],i=t.tracks,n={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,n=i.length;t!==n;++t)e.push(dl.toJSON(i[t]));return n}static CreateFromMorphTargetSequence(t,e,i,n){const r=e.length,s=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const l=sl(a);a=al(a,1,l),o=al(o,1,l),n||0!==a[0]||(a.push(r),o.push(o[0])),s.push(new ml(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/i))}return new this(t,-1,s)}static findByName(t,e){let i=t;if(!Array.isArray(t)){const e=t;i=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<i.length;t++)if(i[t].name===e)return i[t];return null}static CreateClipsFromMorphTargetSequences(t,e,i){const n={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,i=t.length;e<i;e++){const i=t[e],s=i.name.match(r);if(s&&s.length>1){const t=s[1];let e=n[t];e||(n[t]=e=[]),e.push(i)}}const s=[];for(const t in n)s.push(this.CreateFromMorphTargetSequence(t,n[t],e,i));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const i=function(t,e,i,n,r){if(0!==i.length){const s=[],a=[];ol(i,s,a,n),0!==s.length&&r.push(new t(e,s,a))}},n=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t<l.length;t++){const r=l[t].keys;if(r&&0!==r.length)if(r[0].morphTargets){const t={};let e;for(e=0;e<r.length;e++)if(r[e].morphTargets)for(let i=0;i<r[e].morphTargets.length;i++)t[r[e].morphTargets[i]]=-1;for(const i in t){const t=[],s=[];for(let n=0;n!==r[e].morphTargets.length;++n){const n=r[e];t.push(n.time),s.push(n.morphTarget===i?1:0)}n.push(new ml(".morphTargetInfluence["+i+"]",t,s))}o=t.length*s}else{const s=".bones["+e[t].name+"]";i(_l,s+".position",r,"pos",n),i(fl,s+".quaternion",r,"rot",n),i(_l,s+".scale",r,"scl",n)}}if(0===n.length)return null;return new this(r,o,n,a)}resetDuration(){let t=0;for(let e=0,i=this.tracks.length;e!==i;++e){const i=this.tracks[e];t=Math.max(t,i.times[i.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());return new this.constructor(this.name,this.duration,t,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function El(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return ml;

17case"vector":case"vector2":case"vector3":case"vector4":return _l;case"color":return pl;case"quaternion":return fl;case"bool":case"boolean":return Al;case"string":return vl}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],i=[];ol(t.keys,e,i,"value"),t.times=e,t.values=i}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const xl={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(this.files[t]=e)},get:function(t){if(!1!==this.enabled)return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};class Sl{constructor(t,e,i){const n=this;let r,s=!1,a=0,o=0;const l=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=i,this.itemStart=function(t){o++,!1===s&&void 0!==n.onStart&&n.onStart(t,a,o),s=!0},this.itemEnd=function(t){a++,void 0!==n.onProgress&&n.onProgress(t,a,o),a===o&&(s=!1,void 0!==n.onLoad&&n.onLoad())},this.itemError=function(t){void 0!==n.onError&&n.onError(t)},this.resolveURL=function(t){return r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return l.push(t,e),this},this.removeHandler=function(t){const e=l.indexOf(t);return-1!==e&&l.splice(e,2),this},this.getHandler=function(t){for(let e=0,i=l.length;e<i;e+=2){const i=l[e],n=l[e+1];if(i.global&&(i.lastIndex=0),i.test(t))return n}return null}}}const Cl=new Sl;class Il{constructor(t){this.manager=void 0!==t?t:Cl,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(t,e){const i=this;return new Promise((function(n,r){i.load(t,n,e,r)}))}parse(){}setCrossOrigin(t){return this.crossOrigin=t,this}setWithCredentials(t){return this.withCredentials=t,this}setPath(t){return this.path=t,this}setResourcePath(t){return this.resourcePath=t,this}setRequestHeader(t){return this.requestHeader=t,this}}Il.DEFAULT_MATERIAL_NAME="__DEFAULT";const Ml={};class wl extends Error{constructor(t,e){super(t),this.response=e}}class bl extends Il{constructor(t){super(t)}load(t,e,i,n){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=xl.get(t);if(void 0!==r)return this.manager.itemStart(t),setTimeout((()=>{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==Ml[t])return void Ml[t].push({onLoad:e,onProgress:i,onError:n});Ml[t]=[],Ml[t].push({onLoad:e,onProgress:i,onError:n});const s=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const i=Ml[t],n=e.body.getReader(),r=e.headers.get("Content-Length")||e.headers.get("X-File-Size"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(t){!function e(){n.read().then((({done:n,value:r})=>{if(n)t.close();else{o+=r.byteLength;const n=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=i.length;t<e;t++){const e=i[t];e.onProgress&&e.onProgress(n)}t.enqueue(r),e()}}))}()}});return new Response(l)}throw new wl(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),i=e&&e[1]?e[1].toLowerCase():void 0,n=new TextDecoder(i);return t.arrayBuffer().then((t=>n.decode(t)))}}})).then((e=>{xl.add(t,e);const i=Ml[t];delete Ml[t];for(let t=0,n=i.length;t<n;t++){const n=i[t];n.onLoad&&n.onLoad(e)}})).catch((e=>{const i=Ml[t];if(void 0===i)throw this.manager.itemError(t),e;delete Ml[t];for(let t=0,n=i.length;t<n;t++){const n=i[t];n.onError&&n.onError(e)}this.manager.itemError(t)})).finally((()=>{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class Tl extends Il{constructor(t){super(t)}load(t,e,i,n){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=xl.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a=ge("img");function o(){c(),xl.add(t,this),e&&e(this),r.manager.itemEnd(t)}function l(e){c(),n&&n(e),r.manager.itemError(t),r.manager.itemEnd(t)}function c(){a.removeEventListener("load",o,!1),a.removeEventListener("error",l,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",l,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),r.manager.itemStart(t),a.src=t,a}}class Bl extends Il{constructor(t){super(t)}load(t,e,i,n){const r=this,s=new _o,a=new bl(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,(function(t){let i;try{i=r.parse(t)}catch(t){if(void 0===n)return void console.error(t);n(t)}void 0!==i.image?s.image=i.image:void 0!==i.data&&(s.image.width=i.width,s.image.height=i.height,s.image.data=i.data),s.wrapS=void 0!==i.wrapS?i.wrapS:q,s.wrapT=void 0!==i.wrapT?i.wrapT:q,s.magFilter=void 0!==i.magFilter?i.magFilter:J,s.minFilter=void 0!==i.minFilter?i.minFilter:J,s.anisotropy=void 0!==i.anisotropy?i.anisotropy:1,void 0!==i.colorSpace&&(s.colorSpace=i.colorSpace),void 0!==i.flipY&&(s.flipY=i.flipY),void 0!==i.format&&(s.format=i.format),void 0!==i.type&&(s.type=i.type),void 0!==i.mipmaps&&(s.mipmaps=i.mipmaps,s.minFilter=Z),1===i.mipmapCount&&(s.minFilter=J),void 0!==i.generateMipmaps&&(s.generateMipmaps=i.generateMipmaps),s.needsUpdate=!0,e&&e(s,i)}),i,n),s}}class Rl extends Il{constructor(t){super(t)}load(t,e,i,n){const r=new Le,s=new Tl(this.manager);return s.setCrossOrigin(this.crossOrigin),s.setPath(this.path),s.load(t,(function(t){r.image=t,r.needsUpdate=!0,void 0!==e&&e(r)}),i,n),r}}class Dl extends zi{constructor(t,e=1){super(),this.isLight=!0,this.type="Light",this.color=new an(t),this.intensity=e}dispose(){}copy(t,e){return super.copy(t,e),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,void 0!==this.groundColor&&(e.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(e.object.distance=this.distance),void 0!==this.angle&&(e.object.angle=this.angle),void 0!==this.decay&&(e.object.decay=this.decay),void 0!==this.penumbra&&(e.object.penumbra=this.penumbra),void 0!==this.shadow&&(e.object.shadow=this.shadow.toJSON()),e}}const Ll=new gi,Ul=new ke,Pl=new ke;class Nl{constructor(t){this.camera=t,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new de(512,512),this.map=null,this.mapPass=null,this.matrix=new gi,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new pr,this._frameExtents=new de(1,1),this._viewportCount=1,this._viewports=[new Ue(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,i=this.matrix;Ul.setFromMatrixPosition(t.matrixWorld),e.position.copy(Ul),Pl.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(Pl),e.updateMatrixWorld(),Ll.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Ll),i.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),i.multiply(Ll)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(t){return this.camera=t.camera.clone(),this.bias=t.bias,this.radius=t.radius,this.mapSize.copy(t.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}class Fl extends Nl{constructor(){super(new nr(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1}updateMatrices(t){const e=this.camera,i=2*re*t.angle*this.focus,n=this.mapSize.width/this.mapSize.height,r=t.distance||e.far;i===e.fov&&n===e.aspect&&r===e.far||(e.fov=i,e.aspect=n,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}class Ql extends Dl{constructor(t,e,i=0,n=Math.PI/3,r=0,s=2){super(t,e),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(zi.DEFAULT_UP),this.updateMatrix(),this.target=new zi,this.distance=i,this.angle=n,this.penumbra=r,this.decay=s,this.map=null,this.shadow=new Fl}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}dispose(){this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}const Ol=new gi,kl=new ke,Gl=new ke;class Hl extends Nl{constructor(){super(new nr(90,1,.5,500)),this.isPointLightShadow=!0,this._frameExtents=new de(4,2),this._viewportCount=6,this._viewports=[new Ue(2,1,1,1),new Ue(0,1,1,1),new Ue(3,1,1,1),new Ue(1,1,1,1),new Ue(3,0,1,1),new Ue(1,0,1,1)],this._cubeDirections=[new ke(1,0,0),new ke(-1,0,0),new ke(0,0,1),new ke(0,0,-1),new ke(0,1,0),new ke(0,-1,0)],this._cubeUps=[new ke(0,1,0),new ke(0,1,0),new ke(0,1,0),new ke(0,1,0),new ke(0,0,1),new ke(0,0,-1)]}updateMatrices(t,e=0){const i=this.camera,n=this.matrix,r=t.distance||i.far;r!==i.far&&(i.far=r,i.updateProjectionMatrix()),kl.setFromMatrixPosition(t.matrixWorld),i.position.copy(kl),Gl.copy(i.position),Gl.add(this._cubeDirections[e]),i.up.copy(this._cubeUps[e]),i.lookAt(Gl),i.updateMatrixWorld(),n.makeTranslation(-kl.x,-kl.y,-kl.z),Ol.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Ol)}}class zl extends Dl{constructor(t,e,i=0,n=2){super(t,e),this.isPointLight=!0,this.type="PointLight",this.distance=i,this.decay=n,this.shadow=new Hl}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}}class Vl extends Nl{constructor(){super(new Br(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class Wl extends Dl{constructor(t,e){super(t,e),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(zi.DEFAULT_UP),this.updateMatrix(),this.target=new zi,this.shadow=new Vl}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}class ql{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new ke)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const i=t.x,n=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.282095),e.addScaledVector(s[1],.488603*n),e.addScaledVector(s[2],.488603*r),e.addScaledVector(s[3],.488603*i),e.addScaledVector(s[4],i*n*1.092548),e.addScaledVector(s[5],n*r*1.092548),e.addScaledVector(s[6],.315392*(3*r*r-1)),e.addScaledVector(s[7],i*r*1.092548),e.addScaledVector(s[8],.546274*(i*i-n*n)),e}getIrradianceAt(t,e){const i=t.x,n=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.886227),e.addScaledVector(s[1],1.023328*n),e.addScaledVector(s[2],1.023328*r),e.addScaledVector(s[3],1.023328*i),e.addScaledVector(s[4],.858086*i*n),e.addScaledVector(s[5],.858086*n*r),e.addScaledVector(s[6],.743125*r*r-.247708),e.addScaledVector(s[7],.858086*i*r),e.addScaledVector(s[8],.429043*(i*i-n*n)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let i=0;i<9;i++)this.coefficients[i].addScaledVector(t.coefficients[i],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let i=0;i<9;i++)this.coefficients[i].lerp(t.coefficients[i],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const i=this.coefficients;for(let n=0;n<9;n++)i[n].fromArray(t,e+3*n);return this}toArray(t=[],e=0){const i=this.coefficients;for(let n=0;n<9;n++)i[n].toArray(t,e+3*n);return t}static getBasisAt(t,e){const i=t.x,n=t.y,r=t.z;e[0]=.282095,e[1]=.488603*n,e[2]=.488603*r,e[3]=.488603*i,e[4]=1.092548*i*n,e[5]=1.092548*n*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*i*r,e[8]=.546274*(i*i-n*n)}}class Xl extends Dl{constructor(t=new ql,e=1){super(void 0,e),this.isLightProbe=!0,this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}fromJSON(t){return this.intensity=t.intensity,this.sh.fromArray(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}class jl{static decodeText(t){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let i=0,n=t.length;i<n;i++)e+=String.fromCharCode(t[i]);try{return decodeURIComponent(escape(e))}catch(t){return e}}static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}class Yl extends Il{constructor(t){super(t),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(t){return this.options=t,this}load(t,e,i,n){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=xl.get(t);if(void 0!==s)return r.manager.itemStart(t),s.then?void s.then((i=>{e&&e(i),r.manager.itemEnd(t)})).catch((t=>{n&&n(t)})):(setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader;const o=fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(i){return xl.add(t,i),e&&e(i),r.manager.itemEnd(t),i})).catch((function(e){n&&n(e),xl.remove(t),r.manager.itemError(t),r.manager.itemEnd(t)}));xl.add(t,o),r.manager.itemStart(t)}}class Kl{constructor(t,e,i){let n,r,s;switch(this.binding=t,this.valueSize=i,e){case"quaternion":n=this._slerp,r=this._slerpAdditive,s=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*i),this._workIndex=5;break;case"string":case"bool":n=this._select,r=this._select,s=this._setAdditiveIdentityOther,this.buffer=new Array(5*i);break;default:n=this._lerp,r=this._lerpAdditive,s=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*i)}this._mixBufferRegion=n,this._mixBufferRegionAdditive=r,this._setIdentity=s,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const i=this.buffer,n=this.valueSize,r=t*n+n;let s=this.cumulativeWeight;if(0===s){for(let t=0;t!==n;++t)i[r+t]=i[t];s=e}else{s+=e;const t=e/s;this._mixBufferRegion(i,r,0,t,n)}this.cumulativeWeight=s}accumulateAdditive(t){const e=this.buffer,i=this.valueSize,n=i*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,n,0,t,i),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,i=this.buffer,n=t*e+e,r=this.cumulativeWeight,s=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(i,n,t,1-r,e)}s>0&&this._mixBufferRegionAdditive(i,n,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(i[t]!==i[t+e]){a.setValue(i,n);break}}saveOriginalState(){const t=this.binding,e=this.buffer,i=this.valueSize,n=i*this._origIndex;t.getValue(e,n);for(let t=i,r=n;t!==r;++t)e[t]=e[n+t%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let i=t;i<e;i++)this.buffer[i]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize;for(let i=0;i<this.valueSize;i++)this.buffer[e+i]=this.buffer[t+i]}_select(t,e,i,n,r){if(n>=.5)for(let n=0;n!==r;++n)t[e+n]=t[i+n]}_slerp(t,e,i,n){Oe.slerpFlat(t,e,t,e,t,i,n)}_slerpAdditive(t,e,i,n,r){const s=this._workIndex*r;Oe.multiplyQuaternionsFlat(t,s,t,e,t,i),Oe.slerpFlat(t,e,t,e,t,s,n)}_lerp(t,e,i,n,r){const s=1-n;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[i+a]*n}}_lerpAdditive(t,e,i,n,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[i+s]*n}}}const Jl="\\[\\]\\.:\\/",$l=new RegExp("["+Jl+"]","g"),Zl="[^"+Jl+"]",tc="[^"+Jl.replace("\\.","")+"]",ec=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",Zl)+/(WCOD+)?/.source.replace("WCOD",tc)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Zl)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Zl)+"$"),ic=["material","materials","bones","map"];class nc{constructor(t,e,i){this.path=e,this.parsedPath=i||nc.parseTrackName(e),this.node=nc.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,i){return t&&t.isAnimationObjectGroup?new nc.Composite(t,e,i):new nc(t,e,i)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace($l,"")}static parseTrackName(t){const e=ec.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const i={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},n=i.nodeName&&i.nodeName.lastIndexOf(".");if(void 0!==n&&-1!==n){const t=i.nodeName.substring(n+1);-1!==ic.indexOf(t)&&(i.nodeName=i.nodeName.substring(0,n),i.objectName=t)}if(null===i.propertyName||0===i.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return i}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const i=t.skeleton.getBoneByName(e);if(void 0!==i)return i}if(t.children){const i=function(t){for(let n=0;n<t.length;n++){const r=t[n];if(r.name===e||r.uuid===e)return r;const s=i(r.children);if(s)return s}return null},n=i(t.children);if(n)return n}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(t,e){t[e]=this.targetObject[this.propertyName]}_getValue_array(t,e){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)t[e++]=i[n]}_getValue_arrayElement(t,e){t[e]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(t,e){this.resolvedProperty.toArray(t,e)}_setValue_direct(t,e){this.targetObject[this.propertyName]=t[e]}_setValue_direct_setNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(t,e){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(t,e){this.resolvedProperty[this.propertyIndex]=t[e]}_setValue_arrayElement_setNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(t,e){this.resolvedProperty.fromArray(t,e)}_setValue_fromArray_setNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(t,e){this.bind(),this.getValue(t,e)}_setValue_unbound(t,e){this.bind(),this.setValue(t,e)}bind(){let t=this.node;const e=this.parsedPath,i=e.objectName,n=e.propertyName;let r=e.propertyIndex;if(t||(t=nc.findNode(this.rootNode,e.nodeName),this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void console.warn("THREE.PropertyBinding: No target node found for track: "+this.path+".");if(i){let n=e.objectIndex;switch(i){case"materials":if(!t.material)return void console.error("THREE.PropertyBinding: Can not bind to material as no

17crossFadeTo(t,e,i){return t.crossFadeFrom(this,e,i)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,i){const n=this._mixer,r=n.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=n._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+i,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,i,n){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const n=(t-r)*i;n<0||0===i?e=0:(this._startTime=null,e=i*n)}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(2501===this.blendMode)for(let i=0,n=t.length;i!==n;++i)t[i].evaluate(s),e[i].accumulateAdditive(a);else for(let i=0,r=t.length;i!==r;++i)t[i].evaluate(s),e[i].accumulate(n,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const i=this._weightInterpolant;if(null!==i){const n=i.evaluate(t)[0];e*=n,t>i.parameterPositions[1]&&(this.stopFading(),0===n&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const i=this._timeScaleInterpolant;if(null!==i){e*=i.evaluate(t)[0],t>i.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,i=this.loop;let n=this.time+t,r=this._loopCount;const s=i===Ct;if(0===t)return-1===r||!s||1&~r?n:e-n;if(2200===i){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(n>=e)n=e;else{if(!(n<0)){this.time=n;break t}n=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),n>=e||n<0){const i=Math.floor(n/e);n-=e*i,r+=Math.abs(i);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,n=t>0?e:0,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=n,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:i})}}else this.time=n;if(s&&!(1&~r))return e-n}return n}_setEndings(t,e,i){const n=this._interpolantSettings;i?(n.endingStart=Tt,n.endingEnd=Tt):(n.endingStart=t?this.zeroSlopeAtStart?Tt:bt:Bt,n.endingEnd=e?this.zeroSlopeAtEnd?Tt:bt:Bt)}_scheduleFading(t,e,i){const n=this._mixer,r=n.time;let s=this._weightInterpolant;null===s&&(s=n._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=i,this}}const sc=new Float32Array(1);class ac extends te{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const i=t._localRoot||this._root,n=t._clip.tracks,r=n.length,s=t._propertyBindings,a=t._interpolants,o=i.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=n[t],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const n=e&&e._propertyBindings[t].binding.parsedPath;h=new Kl(nc.create(i,l,n),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,i=t._clip.uuid,n=this._actionsByClip[i];this._bindAction(t,n&&n.knownActions[0]),this._addInactiveAction(t,i,e)}const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0==i.useCount++&&(this._lendBinding(i),i.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0==--i.useCount&&(i.restoreOriginalState(),this._takeBackBinding(i))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e<this._nActiveActions}

17_addInactiveAction(t,e,i){const n=this._actions,r=this._actionsByClip;let s=r[e];if(void 0===s)s={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=s;else{const e=s.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=n.length,n.push(t),s.actionByRoot[i]=t}_removeInactiveAction(t){const e=this._actions,i=e[e.length-1],n=t._cacheIndex;i._cacheIndex=n,e[n]=i,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,s=this._actionsByClip,a=s[r],o=a.knownActions,l=o[o.length-1],c=t._byClipCacheIndex;l._byClipCacheIndex=c,o[c]=l,o.pop(),t._byClipCacheIndex=null;delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete s[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0==--i.referenceCount&&this._removeInactiveBinding(i)}}_lendAction(t){const e=this._actions,i=t._cacheIndex,n=this._nActiveActions++,r=e[n];t._cacheIndex=n,e[n]=t,r._cacheIndex=i,e[i]=r}_takeBackAction(t){const e=this._actions,i=t._cacheIndex,n=--this._nActiveActions,r=e[n];t._cacheIndex=n,e[n]=t,r._cacheIndex=i,e[i]=r}_addInactiveBinding(t,e,i){const n=this._bindingsByRootAndName,r=this._bindings;let s=n[e];void 0===s&&(s={},n[e]=s),s[i]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,i=t.binding,n=i.rootNode.uuid,r=i.path,s=this._bindingsByRootAndName,a=s[n],o=e[e.length-1],l=t._cacheIndex;o._cacheIndex=l,e[l]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete s[n]}_lendBinding(t){const e=this._bindings,i=t._cacheIndex,n=this._nActiveBindings++,r=e[n];t._cacheIndex=n,e[n]=t,r._cacheIndex=i,e[i]=r}_takeBackBinding(t){const e=this._bindings,i=t._cacheIndex,n=--this._nActiveBindings,r=e[n];t._cacheIndex=n,e[n]=t,r._cacheIndex=i,e[i]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let i=t[e];return void 0===i&&(i=new hl(new Float32Array(2),new Float32Array(2),1,sc),i.__cacheIndex=e,t[e]=i),i}_takeBackControlInterpolant(t){const e=this._controlInterpolants,i=t.__cacheIndex,n=--this._nActiveControlInterpolants,r=e[n];t.__cacheIndex=n,e[n]=t,r.__cacheIndex=i,e[i]=r}clipAction(t,e,i){const n=e||this._root,r=n.uuid;let s="string"==typeof t?yl.findByName(n,t):t;const a=null!==s?s.uuid:t,o=this._actionsByClip[a];let l=null;if(void 0===i&&(i=null!==s?s.blendMode:Rt),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===i)return t;l=o.knownActions[0],null===s&&(s=l._clip)}if(null===s)return null;const c=new rc(this,s,e,i);return this._bindAction(c,l),this._addInactiveAction(c,a,r),c}existingAction(t,e){const i=e||this._root,n=i.uuid,r="string"==typeof t?yl.findByName(i,t):t,s=r?r.uuid:t,a=this._actionsByClip[s];return void 0!==a&&a.actionByRoot[n]||null}stopAllAction(){const t=this._actions;for(let e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,i=this._nActiveActions,n=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==i;++a){e[a]._update(n,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(t)}getRoot(){return this._root}uncacheClip(t){const e=this._actions,i=t.uuid,n=this._actionsByClip,r=n[i];if(void 0!==r){const t=r.knownActions;for(let i=0,n=t.length;i!==n;++i){const n=t[i];this._deactivateAction(n);const r=n._cacheIndex,s=e[e.length-1];n._cacheIndex=null,n._byClipCacheIndex=null,s._cacheIndex=r,e[r]=s,e.pop(),this._removeInactiveBindingsForAction(n)}delete n[i]}}uncacheRoot(t){const e=t.uuid,i=this._actionsByClip;for(const t in i){const n=i[t].actionByRoot[e];void 0!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}const n=this._bindingsByRootAndName[e];if(void 0!==n)for(const t in n){const e=n[t];e.restoreOriginalState(),this._removeInactiveBinding(e)}}uncacheAction(t,e){const i=this.existingAction(t,e);null!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}}class oc{constructor(t){this.value=t}clone(){return new oc(void 0===this.value.clone?this.value:this.value.clone())}}const lc=new gi;function cc(t,e){return t.distance-e.distance}

17function hc(t,e,i,n){if(t.layers.test(e.layers)&&t.raycast(e,i),!0===n){const n=t.children;for(let t=0,r=n.length;t<r;t++)hc(n[t],e,i,!0)}}class uc{constructor(t=1,e=0,i=0){return this.radius=t,this.phi=e,this.theta=i,this}set(t,e,i){return this.radius=t,this.phi=e,this.theta=i,this}copy(t){return this.radius=t.radius,this.phi=t.phi,this.theta=t.theta,this}makeSafe(){const t=1e-6;return this.phi=Math.max(t,Math.min(Math.PI-t,this.phi)),this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,i){return this.radius=Math.sqrt(t*t+e*e+i*i),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,i),this.phi=Math.acos(ae(e/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:n}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=n)
18/**
19 * @license
20 * Copyright 2019 Google LLC
21 * SPDX-License-Identifier: BSD-3-Clause
22 */;const dc=window,Ac=dc.ShadowRoot&&(void 0===dc.ShadyCSS||dc.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,pc=Symbol(),mc=new WeakMap;class gc{constructor(t,e,i){if(this._$cssResult$=!0,i!==pc)throw Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=t,this.t=e}get styleSheet(){let t=this.o;const e=this.t;if(Ac&&void 0===t){const i=void 0!==e&&1===e.length;i&&(t=mc.get(e)),void 0===t&&((this.o=t=new CSSStyleSheet).replaceSync(this.cssText),i&&mc.set(e,t))}return t}toString(){return this.cssText}}const fc=Ac?t=>t:t=>t instanceof CSSStyleSheet?(t=>{let e="";for(const i of t.cssRules)e+=i.cssText;return(t=>new gc("string"==typeof t?t:t+"",void 0,pc))(e)})(t):t
23/**
24 * @license
25 * Copyright 2017 Google LLC
26 * SPDX-License-Identifier: BSD-3-Clause
27 */;var vc;const _c=window,yc=_c.trustedTypes,Ec=yc?yc.emptyScript:"",xc=_c.reactiveElementPolyfillSupport,Sc={toAttribute(t,e){switch(e){case Boolean:t=t?Ec:null;break;case Object:case Array:t=null==t?t:JSON.stringify(t)}return t},fromAttribute(t,e){let i=t;switch(e){case Boolean:i=null!==t;break;case Number:i=null===t?null:Number(t);break;case Object:case Array:try{i=JSON.parse(t)}catch(t){i=null}}return i}},Cc=(t,e)=>e!==t&&(e==e||t==t),Ic={attribute:!0,type:String,converter:Sc,reflect:!1,hasChanged:Cc},Mc="finalized";class wc extends HTMLElement{constructor(){super(),this._$Ei=new Map,this.isUpdatePending=!1,this.hasUpdated=!1,this._$El=null,this._$Eu()}static addInitializer(t){var e;this.finalize(),(null!==(e=this.h)&&void 0!==e?e:this.h=[]).push(t)}static get observedAttributes(){this.finalize();const t=[];return this.elementProperties.forEach(((e,i)=>{const n=this._$Ep(i,e);void 0!==n&&(this._$Ev.set(n,i),t.push(n))})),t}static createProperty(t,e=Ic){if(e.state&&(e.attribute=!1),this.finalize(),this.elementProperties.set(t,e),!e.noAccessor&&!this.prototype.hasOwnProperty(t)){const i="symbol"==typeof t?Symbol():"__"+t,n=this.getPropertyDescriptor(t,i,e);void 0!==n&&Object.defineProperty(this.prototype,t,n)}}static getPropertyDescriptor(t,e,i){return{get(){return this[e]},set(n){const r=this[t];this[e]=n,this.requestUpdate(t,r,i)},configurable:!0,enumerable:!0}}static getPropertyOptions(t){return this.elementProperties.get(t)||Ic}static finalize(){if(this.hasOwnProperty(Mc))return!1;this[Mc]=!0;const t=Object.getPrototypeOf(this);if(t.finalize(),void 0!==t.h&&(this.h=[...t.h]),this.elementProperties=new Map(t.elementProperties),this._$Ev=new Map,this.hasOwnProperty("properties")){const t=this.properties,e=[...Object.getOwnPropertyNames(t),...Object.getOwnPropertySymbols(t)];for(const i of e)this.createProperty(i,t[i])}return this.elementStyles=this.finalizeStyles(this.styles),!0}static finalizeStyles(t){const e=[];if(Array.isArray(t)){const i=new Set(t.flat(1/0).reverse());for(const t of i)e.unshift(fc(t))}else void 0!==t&&e.push(fc(t));return e}static _$Ep(t,e){const i=e.attribute;return!1===i?void 0:"string"==typeof i?i:"string"==typeof t?t.toLowerCase():void 0}_$Eu(){var t;this._$E_=new Promise((t=>this.enableUpdating=t)),this._$AL=new Map,this._$Eg(),this.requestUpdate(),null===(t=this.constructor.h)||void 0===t||t.forEach((t=>t(this)))}addController(t){var e,i;(null!==(e=this._$ES)&&void 0!==e?e:this._$ES=[]).push(t),void 0!==this.renderRoot&&this.isConnected&&(null===(i=t.hostConnected)||void 0===i||i.call(t))}

27removeController(t){var e;null===(e=this._$ES)||void 0===e||e.splice(this._$ES.indexOf(t)>>>0,1)}_$Eg(){this.constructor.elementProperties.forEach(((t,e)=>{this.hasOwnProperty(e)&&(this._$Ei.set(e,this[e]),delete this[e])}))}createRenderRoot(){var t;const e=null!==(t=this.shadowRoot)&&void 0!==t?t:this.attachShadow(this.constructor.shadowRootOptions);return((t,e)=>{Ac?t.adoptedStyleSheets=e.map((t=>t instanceof CSSStyleSheet?t:t.styleSheet)):e.forEach((e=>{const i=document.createElement("style"),n=dc.litNonce;void 0!==n&&i.setAttribute("nonce",n),i.textContent=e.cssText,t.appendChild(i)}))})(e,this.constructor.elementStyles),e}connectedCallback(){var t;void 0===this.renderRoot&&(this.renderRoot=this.createRenderRoot()),this.enableUpdating(!0),null===(t=this._$ES)||void 0===t||t.forEach((t=>{var e;return null===(e=t.hostConnected)||void 0===e?void 0:e.call(t)}))}enableUpdating(t){}disconnectedCallback(){var t;null===(t=this._$ES)||void 0===t||t.forEach((t=>{var e;return null===(e=t.hostDisconnected)||void 0===e?void 0:e.call(t)}))}attributeChangedCallback(t,e,i){this._$AK(t,i)}_$EO(t,e,i=Ic){var n;const r=this.constructor._$Ep(t,i);if(void 0!==r&&!0===i.reflect){const s=(void 0!==(null===(n=i.converter)||void 0===n?void 0:n.toAttribute)?i.converter:Sc).toAttribute(e,i.type);this._$El=t,null==s?this.removeAttribute(r):this.setAttribute(r,s),this._$El=null}}_$AK(t,e){var i;const n=this.constructor,r=n._$Ev.get(t);if(void 0!==r&&this._$El!==r){const t=n.getPropertyOptions(r),s="function"==typeof t.converter?{fromAttribute:t.converter}:void 0!==(null===(i=t.converter)||void 0===i?void 0:i.fromAttribute)?t.converter:Sc;this._$El=r,this[r]=s.fromAttribute(e,t.type),this._$El=null}}requestUpdate(t,e,i){let n=!0;void 0!==t&&(((i=i||this.constructor.getPropertyOptions(t)).hasChanged||Cc)(this[t],e)?(this._$AL.has(t)||this._$AL.set(t,e),!0===i.reflect&&this._$El!==t&&(void 0===this._$EC&&(this._$EC=new Map),this._$EC.set(t,i))):n=!1),!this.isUpdatePending&&n&&(this._$E_=this._$Ej())}async _$Ej(){this.isUpdatePending=!0;try{await this._$E_}catch(t){Promise.reject(t)}const t=this.scheduleUpdate();return null!=t&&await t,!this.isUpdatePending}scheduleUpdate(){return this.performUpdate()}performUpdate(){var t;if(!this.isUpdatePending)return;this.hasUpdated,this._$Ei&&(this._$Ei.forEach(((t,e)=>this[e]=t)),this._$Ei=void 0);let e=!1;const i=this._$AL;try{e=this.shouldUpdate(i),e?(this.willUpdate(i),null===(t=this._$ES)||void 0===t||t.forEach((t=>{var e;return null===(e=t.hostUpdate)||void 0===e?void 0:e.call(t)})),this.update(i)):this._$Ek()}catch(t){throw e=!1,this._$Ek(),t}e&&this._$AE(i)}willUpdate(t){}_$AE(t){var e;null===(e=this._$ES)||void 0===e||e.forEach((t=>{var e;return null===(e=t.hostUpdated)||void 0===e?void 0:e.call(t)})),this.hasUpdated||(this.hasUpdated=!0,this.firstUpdated(t)),this.updated(t)}_$Ek(){this._$AL=new Map,this.isUpdatePending=!1}get updateComplete(){return this.getUpdateComplete()}getUpdateComplete(){return this._$E_}shouldUpdate(t){return!0}update(t){void 0!==this._$EC&&(this._$EC.forEach(((t,e)=>this._$EO(e,this[e],t))),this._$EC=void 0),this._$Ek()}updated(t){}firstUpdated(t){}}
28/**
29 * @license
30 * Copyright 2017 Google LLC
31 * SPDX-License-Identifier: BSD-3-Clause
32 */
33var bc;wc[Mc]=!0,wc.elementProperties=new Map,wc.elementStyles=[],wc.shadowRootOptions={mode:"open"},null==xc||xc({ReactiveElement:wc}),(null!==(vc=_c.reactiveElementVersions)&&void 0!==vc?vc:_c.reactiveElementVersions=[]).push("1.6.3");const Tc=window,Bc=Tc.trustedTypes,Rc=Bc?Bc.createPolicy("lit-html",{createHTML:t=>t}):void 0,Dc="$lit$",Lc=`lit$${(Math.random()+"").slice(9)}$`,Uc="?"+Lc,Pc=`<${Uc}>`,Nc=document,Fc=()=>Nc.createComment(""),Qc=t=>null===t||"object"!=typeof t&&"function"!=typeof t,Oc=Array.isArray,kc="[ \t\n\f\r]",Gc=/<(?:(!--|\/[^a-zA-Z])|(\/?[a-zA-Z][^>\s]*)|(\/?$))/g,Hc=/-->/g,zc=/>/g,Vc=RegExp(`>|${kc}(?:([^\\s"'>=/]+)(${kc}*=${kc}*(?:[^ \t\n\f\r"'\`<>=]|("|')|))|$)`,"g"),Wc=/'/g,qc=/"/g,Xc=/^(?:script|style|textarea|title)$/i,jc=(t=>(e,...i)=>({_$litType$:t,strings:e,values:i}))(1),Yc=Symbol.for("lit-noChange"),Kc=Symbol.for("lit-nothing"),Jc=new WeakMap,$c=Nc.createTreeWalker(Nc,129,null,!1);function Zc(t,e){if(!Array.isArray(t)||!t.hasOwnProperty("raw"))throw Error("invalid template strings array");return void 0!==Rc?Rc.createHTML(e):e}const th=(t,e)=>{const i=t.length-1,n=[];let r,s=2===e?"<svg>":"",a=Gc;for(let e=0;e<i;e++){const i=t[e];let o,l,c=-1,h=0;for(;h<i.length&&(a.lastIndex=h,l=a.exec(i),null!==l);)h=a.lastIndex,a===Gc?"!--"===l[1]?a=Hc:void 0!==l[1]?a=zc:void 0!==l[2]?(Xc.test(l[2])&&(r=RegExp("</"+l[2],"g")),a=Vc):void 0!==l[3]&&(a=Vc):a===Vc?">"===l[0]?(a=null!=r?r:Gc,c=-1):void 0===l[1]?c=-2:(c=a.lastIndex-l[2].length,o=l[1],a=void 0===l[3]?Vc:'"'===l[3]?qc:Wc):a===qc||a===Wc?a=Vc:a===Hc||a===zc?a=Gc:(a=Vc,r=void 0);const u=a===Vc&&t[e+1].startsWith("/>")?" ":"";s+=a===Gc?i+Pc:c>=0?(n.push(o),i.slice(0,c)+Dc+i.slice(c)+Lc+u):i+Lc+(-2===c?(n.push(void 0),e):u)}return[Zc(t,s+(t[i]||"<?>")+(2===e?"</svg>":"")),n]};class eh{constructor({strings:t,_$litType$:e},i){let n;this.parts=[];let r=0,s=0;const a=t.length-1,o=this.parts,[l,c]=th(t,e);if(this.el=eh.createElement(l,i),$c.currentNode=this.el.content,2===e){const t=this.el.content,e=t.firstChild;e.remove(),t.append(...e.childNodes)}for(;null!==(n=$c.nextNode())&&o.length<a;){if(1===n.nodeType){if(n.hasAttributes()){const t=[];for(const e of n.getAttributeNames())if(e.endsWith(Dc)||e.startsWith(Lc)){const i=c[s++];if(t.push(e),void 0!==i){const t=n.getAttribute(i.toLowerCase()+Dc).split(Lc),e=/([.?@])?(.*)/.exec(i);o.push({type:1,index:r,name:e[2],strings:t,ctor:"."===e[1]?ah:"?"===e[1]?lh:"@"===e[1]?ch:sh})}else o.push({type:6,index:r})}for(const e of t)n.removeAttribute(e)}if(Xc.test(n.tagName)){const t=n.textContent.split(Lc),e=t.length-1;if(e>0){n.textContent=Bc?Bc.emptyScript:"";for(let i=0;i<e;i++)n.append(t[i],Fc()),$c.nextNode(),o.push({type:2,index:++r});n.append(t[e],Fc())}}}else if(8===n.nodeType)if(n.data===Uc)o.push({type:2,index:r});else{let t=-1;for(;-1!==(t=n.data.indexOf(Lc,t+1));)o.push({type:7,index:r}),t+=Lc.length-1}r++}}static createElement(t,e){const i=Nc.createElement("template");return i.innerHTML=t,i}}function ih(t,e,i=t,n){var r,s,a,o;if(e===Yc)return e;let l=void 0!==n?null===(r=i._$Co)||void 0===r?void 0:r[n]:i._$Cl;const c=Qc(e)?void 0:e._$litDirective$;return(null==l?void 0:l.constructor)!==c&&(null===(s=null==l?void 0:l._$AO)||void 0===s||s.call(l,!1),void 0===c?l=void 0:(l=new c(t),l._$AT(t,i,n)),void 0!==n?(null!==(a=(o=i)._$Co)&&void 0!==a?a:o._$Co=[])[n]=l:i._$Cl=l),void 0!==l&&(e=ih(t,l._$AS(t,e.values),l,n)),e}class nh{constructor(t,e){this._$AV=[],this._$AN=void 0,this._$AD=t,this._$AM=e}get parentNode(){return this._$AM.parentNode}get _$AU(){return this._$AM._$AU}u(t){var e;const{el:{content:i},parts:n}=this._$AD,r=(null!==(e=null==t?void 0:t.creationScope)&&void 0!==e?e:Nc).importNode(i,!0);$c.currentNode=r;let s=$c.nextNode(),a=0,o=0,l=n[0];for(;void 0!==l;){if(a===l.index){let e;2===l.type?e=new rh(s,s.nextSibling,this,t):1===l.type?e=new l.ctor(s,l.name,l.strings,this,t):6===l.type&&(e=new hh(s,this,t)),this._$AV.push(e),l=n[++o]}a!==(null==l?void 0:l.index)&&(s=$c.nextNode(),a++)}return $c.currentNode=Nc,r}v(t){let e=0;for(const i of this._$AV)void 0!==i&&(void 0!==i.strings?(i._$AI(t,i,e),e+=i.strings.length-2):i._$AI(t[e])),e++}}class rh{constructor(t,e,i,n){var r;this.type=2,this._$AH=Kc,this._$AN=void 0,this._$AA=t,this._$AB=e,this._$AM=i,this.options=n,this._$Cp=null===(r=null==n?void 0:n.isConnected)||void 0===r||r}get _$AU(){var t,e;return null!==(e=null===(t=this._$AM)||void 0===t?void 0:t._$AU)&&void 0!==e?e:this._$Cp}get parentNode(){let t=this._$AA.parentNode;const e=this._$AM;return void 0!==e&&11===(null==t?void 0:t.nodeType)&&(t=e.parentNode),t}get startNode(){return this._$AA}get endNode(){return this._$AB}_$AI(t,e=this){t=ih(this,t,e),Qc(t)?t===Kc||null==t||""===t?(this._$AH!==Kc&&this._$AR(),this._$AH=Kc):t!==this._$AH&&t!==Yc&&this._(t):void 0!==t._$litType$?this.g(t):void 0!==t.nodeType?this.$(t):(t=>Oc(t)||"function"==typeof(null==t?void 0:t[Symbol.iterator]))(t)?this.T(t):this._(t)}k(t){return this._$AA.parentNode.insertBefore(t,this._$AB)}$(t){this._$AH!==t&&(this._$AR(),this._$AH=this.k(t))}_(t){this._$AH!==Kc&&Qc(this._$AH)?this._$AA.nextSibling.data=t:this.$(Nc.createTextNode(t)),this._$AH=t}g(t){var e;const{values:i,_$litType$:n}=t,r="number"==typeof n?this._$AC(t):(void 0===n.el&&(n.el=eh.createElement(Zc(n.h,n.h[0]),this.options)),n);if((null===(e=this._$AH)||void 0===e?void 0:e._$AD)===r)this._$AH.v(i);else{const t=new nh(r,this),e=t.u(this.options);t.v(i),this.$(e),this._$AH=t}}_$AC(t){let e=Jc.get(t.strings);return void 0===e&&Jc.set(t.strings,e=new eh(t)),e}T(t){Oc(this._$AH)||(this._$AH=[],this._$AR());const e=this._$AH;let i,n=0;for(const r of t)n===e.length?e.push(i=new rh(this.k(Fc()),this.k(Fc()),this,this.options)):i=e[n],i._$AI(r),n++;n<e.length&&(this._$AR(i&&i._$AB.nextSibling,n),e.length=n)}_$AR(t=this._$AA.nextSibling,e){var i;

33for(null===(i=this._$AP)||void 0===i||i.call(this,!1,!0,e);t&&t!==this._$AB;){const e=t.nextSibling;t.remove(),t=e}}setConnected(t){var e;void 0===this._$AM&&(this._$Cp=t,null===(e=this._$AP)||void 0===e||e.call(this,t))}}class sh{constructor(t,e,i,n,r){this.type=1,this._$AH=Kc,this._$AN=void 0,this.element=t,this.name=e,this._$AM=n,this.options=r,i.length>2||""!==i[0]||""!==i[1]?(this._$AH=Array(i.length-1).fill(new String),this.strings=i):this._$AH=Kc}get tagName(){return this.element.tagName}get _$AU(){return this._$AM._$AU}_$AI(t,e=this,i,n){const r=this.strings;let s=!1;if(void 0===r)t=ih(this,t,e,0),s=!Qc(t)||t!==this._$AH&&t!==Yc,s&&(this._$AH=t);else{const n=t;let a,o;for(t=r[0],a=0;a<r.length-1;a++)o=ih(this,n[i+a],e,a),o===Yc&&(o=this._$AH[a]),s||(s=!Qc(o)||o!==this._$AH[a]),o===Kc?t=Kc:t!==Kc&&(t+=(null!=o?o:"")+r[a+1]),this._$AH[a]=o}s&&!n&&this.j(t)}j(t){t===Kc?this.element.removeAttribute(this.name):this.element.setAttribute(this.name,null!=t?t:"")}}class ah extends sh{constructor(){super(...arguments),this.type=3}j(t){this.element[this.name]=t===Kc?void 0:t}}const oh=Bc?Bc.emptyScript:"";class lh extends sh{constructor(){super(...arguments),this.type=4}j(t){t&&t!==Kc?this.element.setAttribute(this.name,oh):this.element.removeAttribute(this.name)}}class ch extends sh{constructor(t,e,i,n,r){super(t,e,i,n,r),this.type=5}_$AI(t,e=this){var i;if((t=null!==(i=ih(this,t,e,0))&&void 0!==i?i:Kc)===Yc)return;const n=this._$AH,r=t===Kc&&n!==Kc||t.capture!==n.capture||t.once!==n.once||t.passive!==n.passive,s=t!==Kc&&(n===Kc||r);r&&this.element.removeEventListener(this.name,this,n),s&&this.element.addEventListener(this.name,this,t),this._$AH=t}handleEvent(t){var e,i;"function"==typeof this._$AH?this._$AH.call(null!==(i=null===(e=this.options)||void 0===e?void 0:e.host)&&void 0!==i?i:this.element,t):this._$AH.handleEvent(t)}}class hh{constructor(t,e,i){this.element=t,this.type=6,this._$AN=void 0,this._$AM=e,this.options=i}get _$AU(){return this._$AM._$AU}_$AI(t){ih(this,t)}}const uh=Tc.litHtmlPolyfillSupport;null==uh||uh(eh,rh),(null!==(bc=Tc.litHtmlVersions)&&void 0!==bc?bc:Tc.litHtmlVersions=[]).push("2.8.0");const dh=(t,e,i)=>{var n,r;const s=null!==(n=null==i?void 0:i.renderBefore)&&void 0!==n?n:e;let a=s._$litPart$;if(void 0===a){const t=null!==(r=null==i?void 0:i.renderBefore)&&void 0!==r?r:null;s._$litPart$=a=new rh(e.insertBefore(Fc(),t),t,void 0,null!=i?i:{})}return a._$AI(t),a
34/**
35 * @license
36 * Copyright 2019 Google LLC
37 * SPDX-License-Identifier: BSD-3-Clause
38 */},Ah=window,ph=Ah.ShadowRoot&&(void 0===Ah.ShadyCSS||Ah.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,mh=Symbol(),gh=new WeakMap;class fh{constructor(t,e,i){if(this._$cssResult$=!0,i!==mh)throw Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=t,this.t=e}get styleSheet(){let t=this.o;const e=this.t;if(ph&&void 0===t){const i=void 0!==e&&1===e.length;i&&(t=gh.get(e)),void 0===t&&((this.o=t=new CSSStyleSheet).replaceSync(this.cssText),i&&gh.set(e,t))}return t}toString(){return this.cssText}}const vh=ph?t=>t:t=>t instanceof CSSStyleSheet?(t=>{let e="";for(const i of t.cssRules)e+=i.cssText;return(t=>new fh("string"==typeof t?t:t+"",void 0,mh))(e)})(t):t
39/**
40 * @license
41 * Copyright 2017 Google LLC
42 * SPDX-License-Identifier: BSD-3-Clause
43 */;var _h;const yh=window,Eh=yh.trustedTypes,xh=Eh?Eh.emptyScript:"",Sh=yh.reactiveElementPolyfillSupport,Ch={toAttribute(t,e){switch(e){case Boolean:t=t?xh:null;break;case Object:case Array:t=null==t?t:JSON.stringify(t)}return t},fromAttribute(t,e){let i=t;switch(e){case Boolean:i=null!==t;break;case Number:i=null===t?null:Number(t);break;case Object:case Array:try{i=JSON.parse(t)}catch(t){i=null}}return i}},Ih=(t,e)=>e!==t&&(e==e||t==t),Mh={attribute:!0,type:String,converter:Ch,reflect:!1,hasChanged:Ih},wh="finalized";class bh extends HTMLElement{constructor(){super(),this._$Ei=new Map,this.isUpdatePending=!1,this.hasUpdated=!1,this._$El=null,this._$Eu()}static addInitializer(t){var e;this.finalize(),(null!==(e=this.h)&&void 0!==e?e:this.h=[]).push(t)}static get observedAttributes(){this.finalize();const t=[];

43return this.elementProperties.forEach(((e,i)=>{const n=this._$Ep(i,e);void 0!==n&&(this._$Ev.set(n,i),t.push(n))})),t}static createProperty(t,e=Mh){if(e.state&&(e.attribute=!1),this.finalize(),this.elementProperties.set(t,e),!e.noAccessor&&!this.prototype.hasOwnProperty(t)){const i="symbol"==typeof t?Symbol():"__"+t,n=this.getPropertyDescriptor(t,i,e);void 0!==n&&Object.defineProperty(this.prototype,t,n)}}static getPropertyDescriptor(t,e,i){return{get(){return this[e]},set(n){const r=this[t];this[e]=n,this.requestUpdate(t,r,i)},configurable:!0,enumerable:!0}}static getPropertyOptions(t){return this.elementProperties.get(t)||Mh}static finalize(){if(this.hasOwnProperty(wh))return!1;this[wh]=!0;const t=Object.getPrototypeOf(this);if(t.finalize(),void 0!==t.h&&(this.h=[...t.h]),this.elementProperties=new Map(t.elementProperties),this._$Ev=new Map,this.hasOwnProperty("properties")){const t=this.properties,e=[...Object.getOwnPropertyNames(t),...Object.getOwnPropertySymbols(t)];for(const i of e)this.createProperty(i,t[i])}return this.elementStyles=this.finalizeStyles(this.styles),!0}static finalizeStyles(t){const e=[];if(Array.isArray(t)){const i=new Set(t.flat(1/0).reverse());for(const t of i)e.unshift(vh(t))}else void 0!==t&&e.push(vh(t));return e}static _$Ep(t,e){const i=e.attribute;return!1===i?void 0:"string"==typeof i?i:"string"==typeof t?t.toLowerCase():void 0}_$Eu(){var t;this._$E_=new Promise((t=>this.enableUpdating=t)),this._$AL=new Map,this._$Eg(),this.requestUpdate(),null===(t=this.constructor.h)||void 0===t||t.forEach((t=>t(this)))}addController(t){var e,i;(null!==(e=this._$ES)&&void 0!==e?e:this._$ES=[]).push(t),void 0!==this.renderRoot&&this.isConnected&&(null===(i=t.hostConnected)||void 0===i||i.call(t))}removeController(t){var e;null===(e=this._$ES)||void 0===e||e.splice(this._$ES.indexOf(t)>>>0,1)}_$Eg(){this.constructor.elementProperties.forEach(((t,e)=>{this.hasOwnProperty(e)&&(this._$Ei.set(e,this[e]),delete this[e])}))}createRenderRoot(){var t;const e=null!==(t=this.shadowRoot)&&void 0!==t?t:this.attachShadow(this.constructor.shadowRootOptions);return((t,e)=>{ph?t.adoptedStyleSheets=e.map((t=>t instanceof CSSStyleSheet?t:t.styleSheet)):e.forEach((e=>{const i=document.createElement("style"),n=Ah.litNonce;void 0!==n&&i.setAttribute("nonce",n),i.textContent=e.cssText,t.appendChild(i)}))})(e,this.constructor.elementStyles),e}connectedCallback(){var t;void 0===this.renderRoot&&(this.renderRoot=this.createRenderRoot()),this.enableUpdating(!0),null===(t=this._$ES)||void 0===t||t.forEach((t=>{var e;return null===(e=t.hostConnected)||void 0===e?void 0:e.call(t)}))}enableUpdating(t){}disconnectedCallback(){var t;null===(t=this._$ES)||void 0===t||t.forEach((t=>{var e;return null===(e=t.hostDisconnected)||void 0===e?void 0:e.call(t)}))}attributeChangedCallback(t,e,i){this._$AK(t,i)}_$EO(t,e,i=Mh){var n;const r=this.constructor._$Ep(t,i);if(void 0!==r&&!0===i.reflect){const s=(void 0!==(null===(n=i.converter)||void 0===n?void 0:n.toAttribute)?i.converter:Ch).toAttribute(e,i.type);this._$El=t,null==s?this.removeAttribute(r):this.setAttribute(r,s),this._$El=null}}_$AK(t,e){var i;const n=this.constructor,r=n._$Ev.get(t);if(void 0!==r&&this._$El!==r){const t=n.getPropertyOptions(r),s="function"==typeof t.converter?{fromAttribute:t.converter}:void 0!==(null===(i=t.converter)||void 0===i?void 0:i.fromAttribute)?t.converter:Ch;this._$El=r,this[r]=s.fromAttribute(e,t.type),this._$El=null}}requestUpdate(t,e,i){let n=!0;void 0!==t&&(((i=i||this.constructor.getPropertyOptions(t)).hasChanged||Ih)(this[t],e)?(this._$AL.has(t)||this._$AL.set(t,e),!0===i.reflect&&this._$El!==t&&(void 0===this._$EC&&(this._$EC=new Map),this._$EC.set(t,i))):n=!1),!this.isUpdatePending&&n&&(this._$E_=this._$Ej())}async _$Ej(){this.isUpdatePending=!0;try{await this._$E_}catch(t){Promise.reject(t)}const t=this.scheduleUpdate();return null!=t&&await t,!this.isUpdatePending}scheduleUpdate(){return this.performUpdate()}performUpdate(){var t;if(!this.isUpdatePending)return;this.hasUpdated,this._$Ei&&(this._$Ei.forEach(((t,e)=>this[e]=t)),this._$Ei=void 0);let e=!1;const i=this._$AL;try{e=this.shouldUpdate(i),e?(this.willUpdate(i),null===(t=this._$ES)||void 0===t||t.forEach((t=>{var e;return null===(e=t.hostUpdate)||void 0===e?void 0:e.call(t)})),this.update(i)):this._$Ek()}catch(t){throw e=!1,this._$Ek(),t}e&&this._$AE(i)}willUpdate(t){}_$AE(t){var e;null===(e=this._$ES)||void 0===e||e.forEach((t=>{var e;return null===(e=t.hostUpdated)||void 0===e?void 0:e.call(t)})),this.hasUpdated||(this.hasUpdated=!0,this.firstUpdated(t)),this.updated(t)}_$Ek(){this._$AL=new Map,this.isUpdatePending=!1}get updateComplete(){return this.getUpdateComplete()}getUpdateComplete(){return this._$E_}shouldUpdate(t){return!0}update(t){void 0!==this._$EC&&(this._$EC.forEach(((t,e)=>this._$EO(e,this[e],t))),this._$EC=void 0),this._$Ek()}updated(t){}firstUpdated(t){}}
44/**
45 * @license
46 * Copyright 2017 Google LLC
47 * SPDX-License-Identifier: BSD-3-Clause
48 */
49var Th,Bh;bh[wh]=!0,bh.elementProperties=new Map,bh.elementStyles=[],bh.shadowRootOptions={mode:"open"},null==Sh||Sh({ReactiveElement:bh}

64{if(Oh){if(zh)return Boolean(/CriOS\/|EdgiOS\/|FxiOS\/|GSA\/|DuckDuckGo\//.test(navigator.userAgent));{const t=document.createElement("a");return Boolean(t.relList&&t.relList.supports&&t.relList.supports("ar"))}}return!1})(),Wh=t=>t&&"null"!==t?Xh(t):null,qh=()=>{if(Fh)return;const t=[];throw Lh||t.push("WebXR Device API"),Uh||t.push("WebXR Hit Test API"),new Error(`The following APIs are required for AR, but are missing in this browser: ${t.join(", ")}`)},Xh=t=>new URL(t,window.location.toString()).toString(),jh=(t,e)=>{let i=null;return(...n)=>{null!=i&&self.clearTimeout(i),i=self.setTimeout((()=>{i=null,t(...n)}),e)}},Yh=(t,e,i)=>Math.max(e,Math.min(i,t)),Kh=(()=>{const t=(()=>{var t;if(null===(t=document.documentElement.getAttribute("itemtype"))||void 0===t?void 0:t.includes("schema.org/SearchResultsPage"))return!0;if(window.self!==window.top)return!0;const e=null!=document.head?Array.from(document.head.querySelectorAll("meta")):[];for(const t of e)if("viewport"===t.name)return!0;return!1})();return t||console.warn('No <meta name="viewport"> detected; <model-viewer> will cap pixel density at 1.'),()=>t?window.devicePixelRatio:1})(),Jh=(()=>{const t=new RegExp("[?&]model-viewer-debug-mode(&|$)");return()=>self.ModelViewerElement&&self.ModelViewerElement.debugMode||self.location&&self.location.search&&self.location.search.match(t)})();
65/* @license
66 * Copyright 2019 Google LLC. All Rights Reserved.
67 * Licensed under the Apache License, Version 2.0 (the 'License');
68 * you may not use this file except in compliance with the License.
69 * You may obtain a copy of the License at
70 *
71 *     http://www.apache.org/licenses/LICENSE-2.0
72 *
73 * Unless required by applicable law or agreed to in writing, software
74 * distributed under the License is distributed on an 'AS IS' BASIS,
75 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
76 * See the License for the specific language governing permissions and
77 * limitations under the License.
78 */
79var $h=function(t,e,i,n){for(var r,s=arguments.length,a=s<3?e:null===n?n=Object.getOwnPropertyDescriptor(e,i):n,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,i,a):r(e,i))||a);return s>3&&a&&Object.defineProperty(e,i,a),a};const Zh=Symbol("currentEnvironmentMap"),tu=Symbol("currentBackground"),eu=Symbol("updateEnvironment"),iu=Symbol("cancelEnvironmentUpdate");
80/* @license
81 * Copyright 2019 Google LLC. All Rights Reserved.
82 * Licensed under the Apache License, Version 2.0 (the 'License');
83 * you may not use this file except in compliance with the License.
84 * You may obtain a copy of the License at
85 *
86 *     http://www.apache.org/licenses/LICENSE-2.0
87 *
88 * Unless required by applicable law or agreed to in writing, software
89 * distributed under the License is distributed on an 'AS IS' BASIS,
90 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
91 * See the License for the specific language governing permissions and
92 * limitations under the License.
93 */
94const nu=jc`
95<style>
96:host {
97  display: block;
98  position: relative;
99  contain: strict;
100  width: 300px;
101  height: 150px;
102}
103
104.container {
105  position: relative;
106  overflow: hidden;
107}
108
109.userInput {
110  width: 100%;
111  height: 100%;
112  display: none;
113  position: relative;
114  outline-offset: -1px;
115  outline-width: 1px;
116}
117
118canvas {
119  position: absolute;
120  display: none;
121  pointer-events: none;
122  /* NOTE(cdata): Chrome 76 and below apparently have a bug
123   * that causes our canvas not to display pixels unless it is
124   * on its own render layer
125   * @see https://github.com/google/model-viewer/pull/755#issuecomment-536597893
126   */
127  transform: translateZ(0);
128}
129
130.show {
131  display: block;
132}
133
134/* Adapted from HTML5 Boilerplate
135 *
136 * @see https://github.com/h5bp/html5-boilerplate/blob/ceb4620c78fc82e13534fc44202a3f168754873f/dist/css/main.css#L122-L133 */
137.screen-reader-only {
138  border: 0;
139  left: 0;
140  top: 0;
141  clip: rect(0, 0, 0, 0);
142  height: 1px;
143  margin: -1px;
144  overflow: hidden;
145  padding: 0;
146  position: absolute;
147  white-space: nowrap;
148  width: 1px;
149  pointer-events: none;
150}
151
152.slot {
153  position: absolute;
154  pointer-events: none;
155  top: 0;
156  left: 0;
157  width: 100%;
158  height: 100%;
159}
160
161.slot > * {
162  pointer-events: initial;
163}
164
165.annotation-wrapper ::slotted(*) {
166  opacity: var(--max-hotspot-opacity, 1);
167  transition: opacity 0.3s;
168}
169
170.pointer-tumbling .annotation-wrapper ::slotted(*) {
171  pointer-events: none;
172}
173
174.annotation-wrapper ::slotted(*) {
175  pointer-events: initial;
176}
177
178.annotation-wrapper.hide ::slotted(*) {
179  opacity: var(--min-hotspot-opacity, 0.25);
180}
181
182.slot.poster {
183  display: none;
184  background-color: inherit;
185}
186
187.slot.poster.show {
188  display: inherit;
189}
190
191.slot.poster > * {
192  pointer-events: initial;
193}
194
195.slot.poster:not(.show) > * {
196  pointer-events: none;
197}
198
199#default-poster {
200  width: 100%;
201  height: 100%;
202  /* The default poster is a <button> so we need to set display
203   * to prevent it from being affected by text-align: */
204  display: block;
205  position: absolute;
206  border: none;
207  padding: 0;
208  background-size: contain;
209  background-repeat: no-repeat;
210  background-position: center;
211  background-color: #fff0;
212}
213
214#default-progress-bar {
215  display: block;
216  position: relative;
217  width: 100%;
218  height: 100%;
219  pointer-events: none;
220  overflow: hidden;
221}
222
223#default-progress-bar > .bar {
224  position: absolute;
225  top: 0;
226  left: 0;
227  width: 100%;
228  height: var(--progress-bar-height, 5px);
229  background-color: var(--progress-bar-color, rgba(0, 0, 0, 0.4));
230  transition: transform 0.09s;
231  transform-origin: top left;
232  transform: scaleX(0);
233  overflow: hidden;
234}
235
236#default-progress-bar > .bar.hide {
237  transition: opacity 0.3s 1s;
238  opacity: 0;
239}
240
241.centered {
242  align-items: center;
243  justify-content: center;
244}
245
246.cover {
247  position: absolute;
248  top: 0;
249  left: 0;
250  width: 100%;
251  height: 100%;
252  pointer-events: none;
253}
254
255.slot.interaction-prompt {
256  display: var(--interaction-prompt-display, flex);
257  overflow: hidden;
258  opacity: 0;
259  will-change: opacity;
260  transition: opacity 0.3s;
261}
262
263.slot.interaction-prompt.visible {
264  opacity: 1;
265}
266
267.animated-container {
268  will-change: transform, opacity;
269  opacity: 0;
270  transition: opacity 0.3s;
271}
272
273.slot.interaction-prompt > * {
274  pointer-events: none;
275}
276
277.slot.ar-button {
278  -moz-user-select: none;
279  -webkit-tap-highlight-color: transparent;
280  user-select: none;
281
282  display: var(--ar-button-display, block);
283}
284
285.slot.ar-button:not(.enabled) {
286  display: none;
287}
288
289.fab {
290  display: flex;
291  align-items: center;
292  justify-content: center;
293  box-sizing: border-box;
294  width: 40px;
295  height: 40px;
296  cursor: pointer;
297  background-color: #fff;
298  box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.15);
299  border-radius: 100px;
300}
301
302.fab > * {
303  opacity: 0.87;
304}
305
306#default-ar-button {
307  position: absolute;
308  bottom: 16px;
309  right: 16px;
310  transform: scale(var(--ar-button-scale, 1));
311  transform-origin: bottom right;
312}
313
314.slot.pan-target {
315  display: block;
316  position: absolute;
317  width: 0;
318  height: 0;
319  left: 50%;
320  top: 50%;
321  transform: translate3d(-50%, -50%, 0);
322  background-color: transparent;
323  opacity: 0;
324  transition: opacity 0.3s;
325}
326
327#default-pan-target {
328  width: 6px;
329  height: 6px;
330  border-radius: 6px;
331  border: 1px solid white;
332  box-shadow: 0px 0px 2px 1px rgba(0, 0, 0, 0.8);
333}
334
335.slot.default {
336  pointer-events: none;
337}
338
339.slot.progress-bar {
340  pointer-events: none;
341}
342
343.slot.exit-webxr-ar-button {
344  pointer-events: none;
345}
346
347.slot.exit-webxr-ar-button:not(.enabled) {
348  display: none;
349}
350
351#default-exit-webxr-ar-button {
352  display: flex;
353  align-items: center;
354  justify-content: center;
355  position: absolute;
356  top: env(safe-area-inset-top, 16px);
357  right: 16px;
358  width: 40px;
359  height: 40px;
360  box-sizing: border-box;
361}
362
363#default-exit-webxr-ar-button > svg {
364  fill: #fff;
365}
366</style>
367<div class="container">
368  <div class="userInput" tabindex="0" role="img"
369      aria-label="3D model">
370      <div class="slot canvas">
371        <slot name="canvas">
372          <canvas></canvas>
373        </slot>
374      </div>
375
376  </div>
377
378  <!-- NOTE(cdata): We need to wrap slots because browsers without ShadowDOM
379        will have their <slot> elements removed by ShadyCSS -->
380  <div class="slot poster">
381    <slot name="poster">
382      <button type="button" id="default-poster" aria-hidden="true" aria-label="Loading 3D model"></button>
383    </slot>
384  </div>
385
386  <div class="slot ar-button">
387    <slot name="ar-button">
388      <a id="default-ar-button" part="default-ar-button" class="fab"
389          tabindex="2"
390          role="button"
391          href="javascript:void(0);"
392          aria-label="View in your space">
393        ${jc`
394<svg version="1.1" id="view_x5F_in_x5F_AR_x5F_icon"
395	 xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="24px" height="24px"
396	 viewBox="0 0 24 24" enable-background="new 0 0 24 24" xml:space="preserve">
397<rect id="Bounding_Box" x="0" y="0" fill="none" width="24" height="24"/>
398<g id="Art_layer">

504    <path filter="url(#drop-shadow)" d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>
505    <path d="M0 0h24v24H0z" fill="none"/>
506</svg>`
507/* @license
508 * Copyright 2019 Google LLC. All Rights Reserved.
509 * Licensed under the Apache License, Version 2.0 (the 'License');
510 * you may not use this file except in compliance with the License.
511 * You may obtain a copy of the License at
512 *
513 *     http://www.apache.org/licenses/LICENSE-2.0
514 *
515 * Unless required by applicable law or agreed to in writing, software
516 * distributed under the License is distributed on an 'AS IS' BASIS,
517 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
518 * See the License for the specific language governing permissions and
519 * limitations under the License.
520 */}
521        </a>
522      </slot>
523    </div>
524  </div>
525</div>
526<div class="screen-reader-only" role="region" aria-label="Live announcements">
527  <span id="status" role="status"></span>
528</div>`,ru=new WeakMap;function su(){let t,e;function i(t,e,i,n,r,s){const a=s.num_components(),o=i.num_points()*a,l=o*r.BYTES_PER_ELEMENT,c=function(t,e){switch(e){case Float32Array:return t.DT_FLOAT32;case Int8Array:return t.DT_INT8;case Int16Array:return t.DT_INT16;case Int32Array:return t.DT_INT32;case Uint8Array:return t.DT_UINT8;case Uint16Array:return t.DT_UINT16;case Uint32Array:return t.DT_UINT32}}(t,r),h=t._malloc(l);e.GetAttributeDataArrayForAllPoints(i,s,c,l,h);const u=new r(t.HEAPF32.buffer,h,o).slice();return t._free(h),{name:n,array:u,itemSize:a}}onmessage=function(n){const r=n.data;switch(r.type){case"init":t=r.decoderConfig,e=new Promise((function(e){t.onModuleLoaded=function(t){e({draco:t})},DracoDecoderModule(t)}));break;case"decode":const n=r.buffer,s=r.taskConfig;e.then((t=>{const e=t.draco,a=new e.Decoder;try{const t=function(t,e,n,r){const s=r.attributeIDs,a=r.attributeTypes;let o,l;const c=e.GetEncodedGeometryType(n);if(c===t.TRIANGULAR_MESH)o=new t.Mesh,l=e.DecodeArrayToMesh(n,n.byteLength,o);else{if(c!==t.POINT_CLOUD)throw new Error("THREE.DRACOLoader: Unexpected geometry type.");o=new t.PointCloud,l=e.DecodeArrayToPointCloud(n,n.byteLength,o)}if(!l.ok()||0===o.ptr)throw new Error("THREE.DRACOLoader: Decoding failed: "+l.error_msg());const h={index:null,attributes:[]};for(const n in s){const l=self[a[n]];let c,u;if(r.useUniqueIDs)u=s[n],c=e.GetAttributeByUniqueId(o,u);else{if(u=e.GetAttributeId(o,t[s[n]]),-1===u)continue;c=e.GetAttribute(o,u)}const d=i(t,e,o,n,l,c);"color"===n&&(d.vertexColorSpace=r.vertexColorSpace),h.attributes.push(d)}c===t.TRIANGULAR_MESH&&(h.index=function(t,e,i){const n=i.num_faces(),r=3*n,s=4*r,a=t._malloc(s);e.GetTrianglesUInt32Array(i,s,a);const o=new Uint32Array(t.HEAPF32.buffer,a,r).slice();return t._free(a),{array:o,itemSize:1}}(t,e,o));return t.destroy(o),h}(e,a,new Int8Array(n),s),o=t.attributes.map((t=>t.array.buffer));t.index&&o.push(t.index.array.buffer),self.postMessage({type:"decode",id:r.id,geometry:t},o)}catch(t){console.error(t),self.postMessage({type:"error",id:r.id,error:t.message})}finally{e.destroy(a)}}))}}}function au(t,e){if(0===e)return console.warn("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Geometry already defined as triangles."),t;if(2===e||1===e){let i=t.getIndex();if(null===i){const e=[],n=t.getAttribute("position");if(void 0===n)return console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Undefined position attribute. Processing not possible."),t;for(let t=0;t<n.count;t++)e.push(t);t.setIndex(e),i=t.getIndex()}const n=i.count-2,r=[];if(2===e)for(let t=1;t<=n;t++)r.push(i.getX(0)),r.push(i.getX(t)),r.push(i.getX(t+1));else for(let t=0;t<n;t++)t%2==0?(r.push(i.getX(t)),r.push(i.getX(t+1)),r.push(i.getX(t+2))):(r.push(i.getX(t+2)),r.push(i.getX(t+1)),r.push(i.getX(t)));r.length/3!==n&&console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unable to generate correct amount of triangles.");const s=t.clone();return s.setIndex(r),s.clearGroups(),s}return console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unknown draw mode:",e),t}class ou extends Il{constructor(t){super(t),this.dracoLoader=null,this.ktx2Loader=null,this.meshoptDecoder=null,this.pluginCallbacks=[],this.register((function(t){return new Au(t)})),this.register((function(t){return new xu(t)})),this.register((function(t){return new Su(t)})),this.register((function(t){return new Cu(t)})),this.register((function(t){return new mu(t)})),this.register((function(t){return new gu(t)})),this.register((function(t){return new fu(t)})),this.register((function(t){return new vu(t)})),this.register((function(t){return new du(t)})),this.register((function(t){return new _u(t)})),this.register((function(t){return new pu(t)})),this.register((function(t){return new Eu(t)})),this.register((function(t){return new yu(t)})),this.register((function(t){return new hu(t)})),this.register((function(t){return new Iu(t)})),this.register((function(t){return new Mu(t)}))}load(t,e,i,n){const r=this;let s;if(""!==this.resourcePath)s=this.resourcePath;else if(""!==this.path){const e=jl.extractUrlBase(t);s=jl.resolveURL(e,this.path)}else s=jl.extractUrlBase(t);this.manager.itemStart(t);const a=function(e){n?n(e):console.error(e),r.manager.itemError(t),r.manager.itemEnd(t)},o=new bl(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(t,(function(i){try{r.parse(i,s,(function(i){e(i),r.manager.itemEnd(t)}),a)}catch(t){a(t)}}),i,a)}setDRACOLoader(t){return this.dracoLoader=t,this}setDDSLoader(){throw new Error('THREE.GLTFLoader: "MSFT_texture_dds" no longer supported. Please update to "KHR_texture_basisu".')}setKTX2Loader(t){return this.ktx2Loader=t,this}setMeshoptDecoder(t){return this.meshoptDecoder=t,this}register(t){return-1===this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.push(t),this}unregister(t){return-1!==this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(t),1),this}parse(t,e,i,n){let r;const s={},a={},o=new TextDecoder;if("string"==typeof t)r=JSON.parse(t);else if(t instanceof ArrayBuffer){if(o.decode(new Uint8Array(t,0,4))===wu){try{s[cu.KHR_BINARY_GLTF]=new Bu(t)}catch(t){return void(n&&n(t))}r=JSON.parse(s[cu.KHR_BINARY_GLTF].content)}else r=JSON.parse(o.decode(t))}else r=t;if(void 0===r.asset||r.asset.version[0]<2)return void(n&&n(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.")));const l=new id(r,{path:e||this.resourcePath||"",crossOrigin:this.crossOrigin,requestHeader:this.requestHeader,manager:this.manager,ktx2Loader:this.ktx2Loader,meshoptDecoder:this.meshoptDecoder});l.fileLoader.setRequestHeader(this.requestHeader);for(let t=0;t<this.pluginCallbacks.length;t++){const e=this.pluginCallbacks[t](l);e.name||console.error("THREE.GLTFLoader: Invalid plugin found: missing name"),a[e.name]=e,s[e.name]=!0}if(r.extensionsUsed)for(let t=0;t<r.extensionsUsed.length;++t){const e=r.extensionsUsed[t],i=r.extensionsRequired||[];switch(e){case cu.KHR_MATERIALS_UNLIT:s[e]=new uu;break;case cu.KHR_DRACO_MESH_COMPRESSION:s[e]=new Ru(r,this.dracoLoader);break;case cu.KHR_TEXTURE_TRANSFORM:s[e]=new Du;break;case cu.KHR_MESH_QUANTIZATION:s[e]=new Lu;break;default:i.indexOf(e)>=0&&void 0===a[e]&&console.warn('THREE.GLTFLoader: Unknown extension "'+e+'".')}}l.setExtensions(s),l.setPlugins(a),l.parse(i,n)}parseAsync(t,e){const i=this;return new Promise((function(n,r){i.parse(t,e,n,r)}))}}function lu(){let t={};return{get:function(e){return t[e]},add:function(e,i){t[e]=i},remove:function(e){delete t[e]},removeAll:function(){t={}}}}const cu={KHR_BINARY_GLTF:"KHR_binary_glTF",KHR_DRACO_MESH_COMPRESSION:"KHR_draco_mesh_compression",KHR_LIGHTS_PUNCTUAL:"KHR_lights_punctual",KHR_MATERIALS_CLEARCOAT:"KHR_materials_clearcoat",KHR_MATERIALS_IOR:"KHR_materials_ior",KHR_MATERIALS_SHEEN:"KHR_materials_sheen",KHR_MATERIALS_SPECULAR:"KHR_materials_specular",KHR_MATERIALS_TRANSMISSION:"KHR_materials_transmission",KHR_MATERIALS_IRIDESCENCE:"KHR_materials_iridescence",KHR_MATERIALS_ANISOTROPY:"KHR_materials_anisotropy",KHR_MATERIALS_UNLIT:"KHR_materials_unlit",KHR_MATERIALS_VOLUME:"KHR_materials_volume",KHR_TEXTURE_BASISU:"KHR_texture_basisu",KHR_TEXTURE_TRANSFORM:"KHR_texture_transform",KHR_MESH_QUANTIZATION:"KHR_mesh_quantization",KHR_MATERIALS_EMISSIVE_STRENGTH:"KHR_materials_emissive_strength",EXT_MATERIALS_BUMP:"EXT_materials_bump",EXT_TEXTURE_WEBP:"EXT_texture_webp",EXT_TEXTURE_AVIF:"EXT_texture_avif",EXT_MESHOPT_COMPRESSION:"EXT_meshopt_compression",EXT_MESH_GPU_INSTANCING:"EXT_mesh_gpu_instancing"};class hu{constructor(t){this.parser=t,this.name=cu.KHR_LIGHTS_PUNCTUAL,this.cache={refs:{},uses:{}}}_markDefs(){const t=this.parser,e=this.parser.json.nodes||[];for(let i=0,n=e.length;i<n;i++){const n=e[i];n.extensions&&n.extensions[this.name]&&void 0!==n.extensions[this.name].light&&t._addNodeRef(this.cache,n.extensions[this.name].light)}}_loadLight(t){const e=this.parser,i="light:"+t;let n=e.cache.get(i);if(n)return n;const r=e.json,s=((r.extensions&&r.extensions[this.name]||{}).lights||[])[t];let a;const o=new an(16777215);void 0!==s.color&&o.setRGB(s.color[0],s.color[1],s.color[2],Ut);const l=void 0!==s.range?s.range:0;switch(s.type){case"directional":a=new Wl(o),a.target.position.set(0,0,-1),a.add(a.target);break;case"point":a=new zl(o),a.distance=l;break;case"spot":a=new Ql(o),a.distance=l,s.spot=s.spot||{},s.spot.innerConeAngle=void 0!==s.spot.innerConeAngle?s.spot.innerConeAngle:0,s.spot.outerConeAngle=void 0!==s.spot.outerConeAngle?s.spot.outerConeAngle:Math.PI/4,a.angle=s.spot.outerConeAngle,a.penumbra=1-s.spot.innerConeAngle/s.spot.outerConeAngle,a.target.position.set(0,0,-1),a.add(a.target);break;default:throw new Error("THREE.GLTFLoader: Unexpected light type: "+s.type)}return a.position.set(0,0,0),a.decay=2,Ku(a,s),void 0!==s.intensity&&(a.intensity=s.intensity),a.name=e.createUniqueName(s.name||"light_"+t),n=Promise.resolve(a),e.cache.add(i,n),n}getDependency(t,e){if("light"===t)return this._loadLight(e)}createNodeAttachment(t){const e=this,i=this.parser,n=i.json.nodes[t],r=(n.extensions&&n.extensions[this.name]||{}).light;return void 0===r?null:this._loadLight(r).then((function(t){return i._getNodeRef(e.cache,r,t)}))}}class uu{constructor(){this.name=cu.KHR_MATERIALS_UNLIT}getMaterialType(){return hn}extendParams(t,e,i){const n=[];t.color=new an(1,1,1),t.opacity=1;const r=e.pbrMetallicRoughness;if(r){if(Array.isArray(r.baseColorFactor)){const e=r.baseColorFactor;t.color.setRGB(e[0],e[1],e[2],Ut),t.opacity=e[3]}void 0!==r.baseColorTexture&&n.push(i.assignTexture(t,"map",r.baseColorTexture,Lt))}return Promise.all(n)}}class du{constructor(t){this.parser=t,this.name=cu.KHR_MATERIALS_EMISSIVE_STRENGTH}extendMaterialParams(t,e){const i=this.parser.json.materials[t];

528if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const n=i.extensions[this.name].emissiveStrength;return void 0!==n&&(e.emissiveIntensity=n),Promise.resolve()}}class Au{constructor(t){this.parser=t,this.name=cu.KHR_MATERIALS_CLEARCOAT}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?nl:null}extendMaterialParams(t,e){const i=this.parser,n=i.json.materials[t];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];if(void 0!==s.clearcoatFactor&&(e.clearcoat=s.clearcoatFactor),void 0!==s.clearcoatTexture&&r.push(i.assignTexture(e,"clearcoatMap",s.clearcoatTexture)),void 0!==s.clearcoatRoughnessFactor&&(e.clearcoatRoughness=s.clearcoatRoughnessFactor),void 0!==s.clearcoatRoughnessTexture&&r.push(i.assignTexture(e,"clearcoatRoughnessMap",s.clearcoatRoughnessTexture)),void 0!==s.clearcoatNormalTexture&&(r.push(i.assignTexture(e,"clearcoatNormalMap",s.clearcoatNormalTexture)),void 0!==s.clearcoatNormalTexture.scale)){const t=s.clearcoatNormalTexture.scale;e.clearcoatNormalScale=new de(t,t)}return Promise.all(r)}}class pu{constructor(t){this.parser=t,this.name=cu.KHR_MATERIALS_IRIDESCENCE}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?nl:null}extendMaterialParams(t,e){const i=this.parser,n=i.json.materials[t];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];return void 0!==s.iridescenceFactor&&(e.iridescence=s.iridescenceFactor),void 0!==s.iridescenceTexture&&r.push(i.assignTexture(e,"iridescenceMap",s.iridescenceTexture)),void 0!==s.iridescenceIor&&(e.iridescenceIOR=s.iridescenceIor),void 0===e.iridescenceThicknessRange&&(e.iridescenceThicknessRange=[100,400]),void 0!==s.iridescenceThicknessMinimum&&(e.iridescenceThicknessRange[0]=s.iridescenceThicknessMinimum),void 0!==s.iridescenceThicknessMaximum&&(e.iridescenceThicknessRange[1]=s.iridescenceThicknessMaximum),void 0!==s.iridescenceThicknessTexture&&r.push(i.assignTexture(e,"iridescenceThicknessMap",s.iridescenceThicknessTexture)),Promise.all(r)}}class mu{constructor(t){this.parser=t,this.name=cu.KHR_MATERIALS_SHEEN}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?nl:null}extendMaterialParams(t,e){const i=this.parser,n=i.json.materials[t];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[];e.sheenColor=new an(0,0,0),e.sheenRoughness=0,e.sheen=1;const s=n.extensions[this.name];if(void 0!==s.sheenColorFactor){const t=s.sheenColorFactor;e.sheenColor.setRGB(t[0],t[1],t[2],Ut)}return void 0!==s.sheenRoughnessFactor&&(e.sheenRoughness=s.sheenRoughnessFactor),void 0!==s.sheenColorTexture&&r.push(i.assignTexture(e,"sheenColorMap",s.sheenColorTexture,Lt)),void 0!==s.sheenRoughnessTexture&&r.push(i.assignTexture(e,"sheenRoughnessMap",s.sheenRoughnessTexture)),Promise.all(r)}}class gu{constructor(t){this.parser=t,this.name=cu.KHR_MATERIALS_TRANSMISSION}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?nl:null}extendMaterialParams(t,e){const i=this.parser,n=i.json.materials[t];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];return void 0!==s.transmissionFactor&&(e.transmission=s.transmissionFactor),void 0!==s.transmissionTexture&&r.push(i.assignTexture(e,"transmissionMap",s.transmissionTexture)),Promise.all(r)}}class fu{constructor(t){this.parser=t,this.name=cu.KHR_MATERIALS_VOLUME}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?nl:null}extendMaterialParams(t,e){const i=this.parser,n=i.json.materials[t];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];e.thickness=void 0!==s.thicknessFactor?s.thicknessFactor:0,void 0!==s.thicknessTexture&&r.push(i.assignTexture(e,"thicknessMap",s.thicknessTexture)),e.attenuationDistance=s.attenuationDistance||1/0;const a=s.attenuationColor||[1,1,1];return e.attenuationColor=(new an).setRGB(a[0],a[1],a[2],Ut),Promise.all(r)}}class vu{constructor(t){this.parser=t,this.name=cu.KHR_MATERIALS_IOR}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?nl:null}extendMaterialParams(t,e){const i=this.parser.json.materials[t];

528if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const n=i.extensions[this.name];return e.ior=void 0!==n.ior?n.ior:1.5,Promise.resolve()}}class _u{constructor(t){this.parser=t,this.name=cu.KHR_MATERIALS_SPECULAR}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?nl:null}extendMaterialParams(t,e){const i=this.parser,n=i.json.materials[t];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];e.specularIntensity=void 0!==s.specularFactor?s.specularFactor:1,void 0!==s.specularTexture&&r.push(i.assignTexture(e,"specularIntensityMap",s.specularTexture));const a=s.specularColorFactor||[1,1,1];return e.specularColor=(new an).setRGB(a[0],a[1],a[2],Ut),void 0!==s.specularColorTexture&&r.push(i.assignTexture(e,"specularColorMap",s.specularColorTexture,Lt)),Promise.all(r)}}class yu{constructor(t){this.parser=t,this.name=cu.EXT_MATERIALS_BUMP}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?nl:null}extendMaterialParams(t,e){const i=this.parser,n=i.json.materials[t];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];return e.bumpScale=void 0!==s.bumpFactor?s.bumpFactor:1,void 0!==s.bumpTexture&&r.push(i.assignTexture(e,"bumpMap",s.bumpTexture)),Promise.all(r)}}class Eu{constructor(t){this.parser=t,this.name=cu.KHR_MATERIALS_ANISOTROPY}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?nl:null}extendMaterialParams(t,e){const i=this.parser,n=i.json.materials[t];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];return void 0!==s.anisotropyStrength&&(e.anisotropy=s.anisotropyStrength),void 0!==s.anisotropyRotation&&(e.anisotropyRotation=s.anisotropyRotation),void 0!==s.anisotropyTexture&&r.push(i.assignTexture(e,"anisotropyMap",s.anisotropyTexture)),Promise.all(r)}}class xu{constructor(t){this.parser=t,this.name=cu.KHR_TEXTURE_BASISU}loadTexture(t){const e=this.parser,i=e.json,n=i.textures[t];if(!n.extensions||!n.extensions[this.name])return null;const r=n.extensions[this.name],s=e.options.ktx2Loader;if(!s){if(i.extensionsRequired&&i.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures");return null}return e.loadTextureImage(t,r.source,s)}}class Su{constructor(t){this.parser=t,this.name=cu.EXT_TEXTURE_WEBP,this.isSupported=null}loadTexture(t){const e=this.name,i=this.parser,n=i.json,r=n.textures[t];if(!r.extensions||!r.extensions[e])return null;const s=r.extensions[e],a=n.images[s.source];let o=i.textureLoader;if(a.uri){const t=i.options.manager.getHandler(a.uri);null!==t&&(o=t)}return this.detectSupport().then((function(r){if(r)return i.loadTextureImage(t,s.source,o);if(n.extensionsRequired&&n.extensionsRequired.indexOf(e)>=0)throw new Error("THREE.GLTFLoader: WebP required by asset but unsupported.");return i.loadTexture(t)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(t){const e=new Image;e.src="data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA",e.onload=e.onerror=function(){t(1===e.height)}}))),this.isSupported}}class Cu{constructor(t){this.parser=t,this.name=cu.EXT_TEXTURE_AVIF,this.isSupported=null}loadTexture(t){const e=this.name,i=this.parser,n=i.json,r=n.textures[t];if(!r.extensions||!r.extensions[e])return null;const s=r.extensions[e],a=n.images[s.source];let o=i.textureLoader;if(a.uri){const t=i.options.manager.getHandler(a.uri);null!==t&&(o=t)}return this.detectSupport().then((function(r){if(r)return i.loadTextureImage(t,s.source,o);if(n.extensionsRequired&&n.extensionsRequired.indexOf(e)>=0)throw new Error("THREE.GLTFLoader: AVIF required by asset but unsupported.");return i.loadTexture(t)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(t){const e=new Image;e.src="data:image/avif;base64,AAAAIGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZk1BMUIAAADybWV0YQAAAAAAAAAoaGRscgAAAAAAAAAAcGljdAAAAAAAAAAAAAAAAGxpYmF2aWYAAAAADnBpdG0AAAAAAAEAAAAeaWxvYwAAAABEAAABAAEAAAABAAABGgAAABcAAAAoaWluZgAAAAAAAQAAABppbmZlAgAAAAABAABhdjAxQ29sb3IAAAAAamlwcnAAAABLaXBjbwAAABRpc3BlAAAAAAAAAAEAAAABAAAAEHBpeGkAAAAAAwgICAAAAAxhdj

528))).then((function(){return Promise.all([i.getDependencies("scene"),i.getDependencies("animation"),i.getDependencies("camera")])})).then((function(e){const s={scene:e[0][n.scene||0],scenes:e[0],animations:e[1],cameras:e[2],asset:n.asset,parser:i,userData:{}};return Yu(r,s,n),Ku(s,n),Promise.all(i._invokeAll((function(t){return t.afterRoot&&t.afterRoot(s)}))).then((function(){for(const t of s.scenes)t.updateMatrixWorld();t(s)}))})).catch(e)}_markDefs(){const t=this.json.nodes||[],e=this.json.skins||[],i=this.json.meshes||[];for(let i=0,n=e.length;i<n;i++){const n=e[i].joints;for(let e=0,i=n.length;e<i;e++)t[n[e]].isBone=!0}for(let e=0,n=t.length;e<n;e++){const n=t[e];void 0!==n.mesh&&(this._addNodeRef(this.meshCache,n.mesh),void 0!==n.skin&&(i[n.mesh].isSkinnedMesh=!0)),void 0!==n.camera&&this._addNodeRef(this.cameraCache,n.camera)}}_addNodeRef(t,e){void 0!==e&&(void 0===t.refs[e]&&(t.refs[e]=t.uses[e]=0),t.refs[e]++)}_getNodeRef(t,e,i){if(t.refs[e]<=1)return i;const n=i.clone(),r=(t,e)=>{const i=this.associations.get(t);null!=i&&this.associations.set(e,i);for(const[i,n]of t.children.entries())r(n,e.children[i])};return r(i,n),n.name+="_instance_"+t.uses[e]++,n}_invokeOne(t){const e=Object.values(this.plugins);e.push(this);for(let i=0;i<e.length;i++){const n=t(e[i]);if(n)return n}return null}_invokeAll(t){const e=Object.values(this.plugins);e.unshift(this);const i=[];for(let n=0;n<e.length;n++){const r=t(e[n]);r&&i.push(r)}return i}getDependency(t,e){const i=t+":"+e;let n=this.cache.get(i);if(!n){switch(t){case"scene":n=this.loadScene(e);break;case"node":n=this._invokeOne((function(t){return t.loadNode&&t.loadNode(e)}));break;case"mesh":n=this._invokeOne((function(t){return t.loadMesh&&t.loadMesh(e)}));break;case"accessor":n=this.loadAccessor(e);break;case"bufferView":n=this._invokeOne((function(t){return t.loadBufferView&&t.loadBufferView(e)}));break;case"buffer":n=this.loadBuffer(e);break;case"material":n=this._invokeOne((function(t){return t.loadMaterial&&t.loadMaterial(e)}));break;case"texture":n=this._invokeOne((function(t){return t.loadTexture&&t.loadTexture(e)}));break;case"skin":n=this.loadSkin(e);break;case"animation":n=this._invokeOne((function(t){return t.loadAnimation&&t.loadAnimation(e)}));break;case"camera":n=this.loadCamera(e);break;default:if(n=this._invokeOne((function(i){return i!=this&&i.getDependency&&i.getDependency(t,e)})),!n)throw new Error("Unknown type: "+t)}this.cache.add(i,n)}return n}getDependencies(t){let e=this.cache.get(t);if(!e){const i=this,n=this.json[t+("mesh"===t?"es":"s")]||[];e=Promise.all(n.map((function(e,n){return i.getDependency(t,n)}))),this.cache.add(t,e)}return e}loadBuffer(t){const e=this.json.buffers[t],i=this.fileLoader;if(e.type&&"arraybuffer"!==e.type)throw new Error("THREE.GLTFLoader: "+e.type+" buffer type is not supported.");if(void 0===e.uri&&0===t)return Promise.resolve(this.extensions[cu.KHR_BINARY_GLTF].body);const n=this.options;

528return new Promise((function(t,r){i.load(jl.resolveURL(e.uri,n.path),t,void 0,(function(){r(new Error('THREE.GLTFLoader: Failed to load buffer "'+e.uri+'".'))}))}))}loadBufferView(t){const e=this.json.bufferViews[t];return this.getDependency("buffer",e.buffer).then((function(t){const i=e.byteLength||0,n=e.byteOffset||0;return t.slice(n,n+i)}))}loadAccessor(t){const e=this,i=this.json,n=this.json.accessors[t];if(void 0===n.bufferView&&void 0===n.sparse){const t=Gu[n.type],e=Qu[n.componentType],i=!0===n.normalized,r=new e(n.count*t);return Promise.resolve(new gn(r,t,i))}const r=[];return void 0!==n.bufferView?r.push(this.getDependency("bufferView",n.bufferView)):r.push(null),void 0!==n.sparse&&(r.push(this.getDependency("bufferView",n.sparse.indices.bufferView)),r.push(this.getDependency("bufferView",n.sparse.values.bufferView))),Promise.all(r).then((function(t){const r=t[0],s=Gu[n.type],a=Qu[n.componentType],o=a.BYTES_PER_ELEMENT,l=o*s,c=n.byteOffset||0,h=void 0!==n.bufferView?i.bufferViews[n.bufferView].byteStride:void 0,u=!0===n.normalized;let d,A;if(h&&h!==l){const t=Math.floor(c/h),i="InterleavedBuffer:"+n.bufferView+":"+n.componentType+":"+t+":"+n.count;let l=e.cache.get(i);l||(d=new a(r,t*h,n.count*h/o),l=new ro(d,h/o),e.cache.add(i,l)),A=new ao(l,s,c%h/o,u)}else d=null===r?new a(n.count*s):new a(r,c,n.count*s),A=new gn(d,s,u);if(void 0!==n.sparse){const e=Gu.SCALAR,i=Qu[n.sparse.indices.componentType],o=n.sparse.indices.byteOffset||0,l=n.sparse.values.byteOffset||0,c=new i(t[1],o,n.sparse.count*e),h=new a(t[2],l,n.sparse.count*s);null!==r&&(A=new gn(A.array.slice(),A.itemSize,A.normalized));for(let t=0,e=c.length;t<e;t++){const e=c[t];if(A.setX(e,h[t*s]),s>=2&&A.setY(e,h[t*s+1]),s>=3&&A.setZ(e,h[t*s+2]),s>=4&&A.setW(e,h[t*s+3]),s>=5)throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")}}return A}))}loadTexture(t){const e=this.json,i=this.options,n=e.textures[t].source,r=e.images[n];let s=this.textureLoader;if(r.uri){const t=i.manager.getHandler(r.uri);null!==t&&(s=t)}return this.loadTextureImage(t,n,s)}loadTextureImage(t,e,i){const n=this,r=this.json,s=r.textures[t],a=r.images[e],o=(a.uri||a.bufferView)+":"+s.sampler;if(this.textureCache[o])return this.textureCache[o];const l=this.loadImageSource(e,i).then((function(e){e.flipY=!1,e.name=s.name||a.name||"",""===e.name&&"string"==typeof a.uri&&!1===a.uri.startsWith("data:image/")&&(e.name=a.uri);const i=(r.samplers||{})[s.sampler]||{};return e.magFilter=Ou[i.magFilter]||J,e.minFilter=Ou[i.minFilter]||Z,e.wrapS=ku[i.wrapS]||W,e.wrapT=ku[i.wrapT]||W,n.associations.set(e,{textures:t}),e})).catch((function(){return null}));return this.textureCache[o]=l,l}loadImageSource(t,e){const i=this,n=this.json,r=this.options;if(void 0!==this.sourceCache[t])return this.sourceCache[t].then((t=>t.clone()));const s=n.images[t],a=self.URL||self.webkitURL;let o=s.uri||"",l=!1;if(void 0!==s.bufferView)o=i.getDependency("bufferView",s.bufferView).then((function(t){l=!0;const e=new Blob([t],{type:s.mimeType});return o=a.createObjectURL(e),o}));else if(void 0===s.uri)throw new Error("THREE.GLTFLoader: Image "+t+" is missing URI and bufferView");const c=Promise.resolve(o).then((function(t){return new Promise((function(i,n){let s=i;!0===e.isImageBitmapLoader&&(s=function(t){const e=new Le(t);e.needsUpdate=!0,i(e)}),e.load(jl.resolveURL(t,r.path),s,void 0,n)}))})).then((function(t){var e;return!0===l&&a.revokeObjectURL(o),t.userData.mimeType=s.mimeType||((e=s.uri).search(/\.jpe?g($|\?)/i)>0||0===e.search(/^data\:image\/jpeg/)?"image/jpeg":e.search(/\.webp($|\?)/i)>0||0===e.search(/^data\:image\/webp/)?"image/webp":"image/png"),t})).catch((function(t){throw console.error("THREE.GLTFLoader: Couldn't load texture",o),t}));return this.sourceCache[t]=c,c}assignTexture(t,e,i,n){const r=this;return this.getDependency("texture",i.index).then((function(s){if(!s)return null;if(void 0!==i.texCoord&&i.texCoord>0&&((s=s.clone()).channel=i.texCoord),r.extensions[cu.KHR_TEXTURE_TRANSFORM]){const t=void 0!==i.extensions?i.extensions[cu.KHR_TEXTURE_TRANSFORM]:void 0;if(t){const e=r.associations.get(s);s=r.extensions[cu.KHR_TEXTURE_TRANSFORM].extendTexture(s,t),r.associations.set(s,e)}}

528return void 0!==n&&(s.colorSpace=n),t[e]=s,s}))}assignFinalMaterial(t){const e=t.geometry;let i=t.material;const n=void 0===e.attributes.tangent,r=void 0!==e.attributes.color,s=void 0===e.attributes.normal;if(t.isPoints){const t="PointsMaterial:"+i.uuid;let e=this.cache.get(t);e||(e=new zo,cn.prototype.copy.call(e,i),e.color.copy(i.color),e.map=i.map,e.sizeAttenuation=!1,this.cache.add(t,e)),i=e}else if(t.isLine){const t="LineBasicMaterial:"+i.uuid;let e=this.cache.get(t);e||(e=new Do,cn.prototype.copy.call(e,i),e.color.copy(i.color),e.map=i.map,this.cache.add(t,e)),i=e}if(n||r||s){let t="ClonedMaterial:"+i.uuid+":";n&&(t+="derivative-tangents:"),r&&(t+="vertex-colors:"),s&&(t+="flat-shading:");let e=this.cache.get(t);e||(e=i.clone(),r&&(e.vertexColors=!0),s&&(e.flatShading=!0),n&&(e.normalScale&&(e.normalScale.y*=-1),e.clearcoatNormalScale&&(e.clearcoatNormalScale.y*=-1)),this.cache.add(t,e),this.associations.set(e,this.associations.get(i))),i=e}t.material=i}getMaterialType(){return il}loadMaterial(t){const e=this,i=this.json,n=this.extensions,r=i.materials[t];let s;const a={},o=[];if((r.extensions||{})[cu.KHR_MATERIALS_UNLIT]){const t=n[cu.KHR_MATERIALS_UNLIT];s=t.getMaterialType(),o.push(t.extendParams(a,r,e))}else{const i=r.pbrMetallicRoughness||{};if(a.color=new an(1,1,1),a.opacity=1,Array.isArray(i.baseColorFactor)){const t=i.baseColorFactor;a.color.setRGB(t[0],t[1],t[2],Ut),a.opacity=t[3]}void 0!==i.baseColorTexture&&o.push(e.assignTexture(a,"map",i.baseColorTexture,Lt)),a.metalness=void 0!==i.metallicFactor?i.metallicFactor:1,a.roughness=void 0!==i.roughnessFactor?i.roughnessFactor:1,void 0!==i.metallicRoughnessTexture&&(o.push(e.assignTexture(a,"metalnessMap",i.metallicRoughnessTexture)),o.push(e.assignTexture(a,"roughnessMap",i.metallicRoughnessTexture))),s=this._invokeOne((function(e){return e.getMaterialType&&e.getMaterialType(t)})),o.push(Promise.all(this._invokeAll((function(e){return e.extendMaterialParams&&e.extendMaterialParams(t,a)}))))}!0===r.doubleSided&&(a.side=c);const l=r.alphaMode||Wu;if(l===Xu?(a.transparent=!0,a.depthWrite=!1):(a.transparent=!1,l===qu&&(a.alphaTest=void 0!==r.alphaCutoff?r.alphaCutoff:.5)),void 0!==r.normalTexture&&s!==hn&&(o.push(e.assignTexture(a,"normalMap",r.normalTexture)),a.normalScale=new de(1,1),void 0!==r.normalTexture.scale)){const t=r.normalTexture.scale;a.normalScale.set(t,t)}if(void 0!==r.occlusionTexture&&s!==hn&&(o.push(e.assignTexture(a,"aoMap",r.occlusionTexture)),void 0!==r.occlusionTexture.strength&&(a.aoMapIntensity=r.occlusionTexture.strength)),void 0!==r.emissiveFactor&&s!==hn){const t=r.emissiveFactor;a.emissive=(new an).setRGB(t[0],t[1],t[2],Ut)}return void 0!==r.emissiveTexture&&s!==hn&&o.push(e.assignTexture(a,"emissiveMap",r.emissiveTexture,Lt)),Promise.all(o).then((function(){const i=new s(a);return r.name&&(i.name=r.name),Ku(i,r),e.associations.set(i,{materials:t}),r.extensions&&Yu(n,i,r),i}))}createUniqueName(t){const e=nc.sanitizeNodeName(t||"");return e in this.nodeNamesUsed?e+"_"+ ++this.nodeNamesUsed[e]:(this.nodeNamesUsed[e]=0,e)}loadGeometries(t){const e=this,i=this.extensions,n=this.primitiveCache;function r(t){return i[cu.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(t,e).then((function(i){return nd(i,t,e)}))}const s=[];for(let i=0,a=t.length;i<a;i++){const a=t[i],o=$u(a),l=n[o];if(l)s.push(l.promise);else{let t;t=a.extensions&&a.extensions[cu.KHR_DRACO_MESH_COMPRESSION]?r(a):nd(new wn,a,e),n[o]={primitive:a,promise:t},s.push(t)}}return Promise.all(s)}loadMesh(t){const e=this,i=this.json,n=this.extensions,r=i.meshes[t],s=r.primitives,a=[];for(let t=0,e=s.length;t<e;t++){const e=void 0===s[t].material?ju(this.cache):this.getDependency("material",s[t].material);a.push(e)}return a.push(e.loadGeometries(s)),Promise.all(a).then((function(i){const a=i.slice(0,i.length-1),o=i[i.length-1],l=[];for(let i=0,c=o.length;i<c;i++){const c=o[i],h=s[i];let u;const d=a[i];if(h.mode===Fu.TRIANGLES||h.mode===Fu.TRIANGLE_STRIP||h.mode===Fu.TRIANGLE_FAN||void 0===h.mode)u=!0===r.isSkinnedMesh?new fo(c,d):new Wn(c,d),!0===u.isSkinnedMesh&&u.normalizeSkinWeights(),h.mode===Fu.TRIANGLE_STRIP?u.geometry=au(u.geometry,1):h.mode===Fu.TRIANGLE_FAN&&(u.geometry=au(u.geometry,2));else if(h.mode===Fu.LINES)u=new Go(c,d);else if(h.mode===Fu.LINE_STRIP)u=new Qo(c,d);else if(h.mode===Fu.LINE_LOOP)u=new Ho(c,d);else{if(h.mode!==Fu.POINTS)throw new Error("THREE.GLTFLoader: Primitive mode unsupported: "+h.mode);u=new jo(c,d)}Object.keys(u.geometry.morphAttributes).length>0&&Ju(u,r),u.name=e.createUniqueName(r.name||"mesh_"+t),Ku(u,r),h.extensions&&Yu(n,u,h),e.assignFinalMaterial(u),l.push(u)}for(let i=0,n=l.length;i<n;i++)e.associations.set(l[i],{meshes:t,primitives:i});if(1===l.length)return r.extensions&&Yu(n,l[0],r),l[0];const c=new Xa;r.extensions&&Yu(n,c,r),e.associations.set(c,{meshes:t});for(let t=0,e=l.length;t<e;t++)c.add(l[t]);return c}))}loadCamera(t){let e;const i=this.json.cameras[t],n=i[i.type];if(n)return"perspective"===i.type?e=new nr(ue.radToDeg(n.yfov),n.aspectRatio||1,n.znear||1,n.zfar||2e6):"orthographic"===i.type&&(e=new Br(-n.xmag,n.xmag,n.ymag,-n.ymag,n.znear,n.zfar)),i.name&&(e.name=this.createUniqueName(i.name)),Ku(e,i),Promise.resolve(e);console.warn("THREE.GLTFLoader: Missing camera parameters.")}loadSkin(t){const e=this.json.skins[t],i=[];for(let t=0,n=e.joints.length;t<n;t++)i.push(this._loadNodeShallow(e.joints[t]));return void 0!==e.inverseBindMatrices?i.push(this.getDependency("accessor",e.inverseBindMatrices)):i.push(null),Promise.all(i).then((function(t){const i=t.pop(),n=t,r=[],s=[];for(let t=0,a=n.length;t<a;t++){const a=n[t];if(a){r.push(a);const e=new gi;null!==i&&e.fromArray(i.array,16*t),s.push(e)}else console.warn('THREE.GLTFLoader: Joint "%s" could not be found.',e.joints[t])}return new xo(r,s)}))}loadAnimation(t){const e=this.json,i=this,n=e.animations[t],r=n.name?n.name:"animation_"+t,s=[],a=[],o=[],l=[],c=[];for(let t=0,e=n.channels.length;t<e;t++){const e=n.channels[t],i=n.samplers[e.sampler],r=e.target,h=r.node,u=void 0!==n.parameters?n.parameters[i.input]:i.input,d=void 0!==n.parameters?n.parameters[i.output]:i.output;void 0!==r.node&&(s.push(this.getDependency("node",h)),a.push(this.getDependency("accessor",u)),o.push(this.getDependency("accessor",d)),l.push(i),c.push(r))}return Promise.all([Promise.all(s),Promise.all(a),Promise.all(o),Promise.all(l),Promise.all(c)]).then((function(t){const e=t[0],n=t[1],s=t[2],a=t[3],o=t[4],l=[];for(let t=0,r=e.length;t<r;t++){const r=e[t],c=n[t],h=s[t],u=a[t],d=o[t];if(void 0===r)continue;r.updateMatrix&&r.updateMatrix();const A=i._createAnimationTracks(r,c,h,u,d);if(A)for(let t=0;t<A.length;t++)l.push(A[t])}return new yl(r,void 0,l)}))}createNodeMesh(t){const e=this.json,i=this,n=e.nodes[t];return void 0===n.mesh?null:i.getDependency("mesh",n.mesh).then((function(t){const e=i._getNodeRef(i.meshCache,n.mesh,t);return void 0!==n.weights&&e.traverse((function(t){if(t.isMesh)for(let e=0,i=n.weights.length;e<i;e++)t.morphTargetInfluences[e]=n.weights[e]})),e}))}loadNode(t){const e=this,i=this.json.nodes[t],n=e._loadNodeShallow(t),r=[],s=i.children||[];for(let t=0,i=s.length;t<i;t++)r.push(e.getDependency("node",s[t]));const a=void 0===i.skin?Promise.resolve(null):e.getDependency("skin",i.skin);return Promise.all([n,Promise.all(r),a]).then((function(t){const e=t[0],i=t[1],n=t[2];null!==n&&e.traverse((function(t){t.isSkinnedMesh&&t.bind(n,ed)}));for(let t=0,n=i.length;t<n;t++)e.add(i[t]);return e}))}_loadNodeShallow(t){const e=this.json,i=this.extensions,n=this;if(void 0!==this.nodeCache[t])return this.nodeCache[t];const r=e.nodes[t],s=r.name?n.createUniqueName(r.name):"",a=[],o=n._invokeOne((function(e){return e.createNodeMesh&&e.createNodeMesh(t)}));return o&&a.push(o),void 0!==r.camera&&a.push(n.getDependency("camera",r.camera).then((function(t){return n._getNodeRef(n.cameraCache,r.camera,t)}))),n._invokeAll((function(e){return e.createNodeAttachment&&e.createNodeAttachment(t)})).forEach((function(t){a.push(t)})),this.nodeCache[t]=Promise.all(a).then((function(e){let a;if(a=!0===r.isBone?new vo:e.length>1?new Xa:1===e.length?e[0]:new zi,a!==e[0])for(let t=0,i=e.length;t<i;t++)a.add(e[t]);if(r.name&&(a.userData.name=r.name,a.name=s),Ku(a,r),r.extensions&&Yu(i,a,r),void 0!==r.matrix){const t=new gi;t.fromArray(r.matrix),a.applyMatrix4(t)}else void 0!==r.translation&&a.position.fromArray(r.translation),void 0!==r.rotation&&a.quaternion.fromArray(r.rotation),void 0!==r.scale&&a.scale.fromArray(r.scale);return n.associations.has(a)||n.associations.set(a,{}),n.associations.get(a).nodes=t,a})),this.nodeCache[t]}loadScene(t){const e=this.extensions,i=this.json.scenes[t],n=this,r=new Xa;i.name&&(r.name=n.createUniqueName(i.name)),Ku(r,i),i.extensions&&Yu(e,r,i);const s=i.nodes||[],a=[];for(let t=0,e=s.length;t<e;t++)a.push(n.getDependency("node",s[t]));return Promise.all(a).then((function(t){for(let e=0,i=t.length;e<i;e++)r.add(t[e]);return n.associations=(t=>{const e=new Map;for(const[t,i]of n.associations)(t instanceof cn||t instanceof Le)&&e.set(t,i);return t.traverse((t=>{const i=n.associations.get(t);null!=i&&e.set(t,i)})),e})(r),r}))}_createAnimationTracks(t,e,i,n,r){const s=[],a=t.name?t.name:t.uuid,o=[];let l;switch(zu[r.path]===zu.weights?t.traverse((function(t){t.morphTargetInfluences&&o.push(t.name?t.name:t.uuid)})):o.push(a),zu[r.path]){case zu.weights:l=ml;break;case zu.rotation:l=fl;break;case zu.position:case zu.scale:l=_l;break;default:if(1===i.itemSize)l=ml;else l=_l}const c=void 0!==n.interpolation?Vu[n.interpolation]:Mt,h=this._getArrayFromAccessor(i);for(let t=0,i=o.length;t<i;t++){const i=new l(o[t]+"."+zu[r.path],e.array,h,c);"CUBICSPLINE"===n.interpolation&&this._createCubicSplineTrackInterpolant(i),s.push(i)}return s}_getArrayFromAccessor(t){let e=t.array;if(t.normalized){const t=td(e.constructor),i=new Float32Array(e.length);for(let n=0,r=e.length;n<r;n++)i[n]=e[n]*t;e=i}return e}_createCubicSplineTrackInterpolant(t){t.createInterpolant=function(t){return new(this instanceof fl?Nu:Uu)(this.times,this.values,this.getValueSize()/3,t)},t.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline=!0}}function nd(t,e,i){const n=e.attributes,r=[];function s(e,n){return i.getDependency("accessor",e).then((function(e){t.setAttribute(n,e)}))}for(const e in n){const i=Hu[e]||e.toLowerCase();i in t.attributes||r.push(s(n[e],i))}if(void 0!==e.indices&&!t.index){const n=i.getDependency("accessor",e.indices).then((function(e){t.setIndex(e)}));r.push(n)}return Ce.workingColorSpace!==Ut&&"COLOR_0"in n&&console.warn(`THREE.GLTFLoader: Converting vertex colors from "srgb-linear" to "${Ce.workingColorSpace}" not supported.`),Ku(t,e),function(t,e,i){const n=e.attributes,r=new ze;if(void 0===n.POSITION)return;{const t=i.json.accessors[n.POSITION],e=t.min,s=t.max;if(void 0===e||void 0===s)return void console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.");if(r.set(new ke(e[0],e[1],e[2]),new ke(s[0],s[1],s[2])),t.normalized){const e=td(Qu[t.componentType]);r.min.multiplyScalar(e),r.max.multiplyScalar(e)}}const s=e.targets;if(void 0!==s){const t=new ke,e=new ke;for(let n=0,r=s.length;n<r;n++){const r=s[n];if(void 0!==r.POSITION){const n=i.json.accessors[r.POSITION],s=n.min,a=n.max;if(void 0!==s&&void 0!==a){if(e.setX(Math.max(Math.abs(s[0]),Math.abs(a[0]))),e.setY(Math.max(Math.abs(s[1]),Math.abs(a[1]))),e.setZ(Math.max(Math.abs(s[2]),Math.abs(a[2]))),n.normalized){const t=td(Qu[n.componentType]);e.multiplyScalar(t)}t.max(e)}else console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.")}}r.expandByVector(t)}t.boundingBox=r;const a=new oi;r.getCenter(a.center),a.radius=r.min.distanceTo(r.max)/2,t.boundingSphere=a}(t,e,i),Promise.all(r).then((function(){return void 0!==e.targets?function(t,e,i){let n=!1,r=!1,s=!1;for(let t=0,i=e.length;t<i;t++){const i=e[t];if(void 0!==i.POSITION&&(n=!0),void 0!==i.NORMAL&&(r=!0),void 0!==i.COLOR_0&&(s=!0),n&&r&&s)break}if(!n&&!r&&!s)return Promise.resolve(t);const a=[],o=[],l=[];for(let c=0,h=e.length;c<h;c++){const h=e[c];if(n){const e=void 0!==h.POSITION?i.getDependency("accessor",h.POSITION):t.attributes.position;a.push(e)}if(r){const e=void 0!==h.NORMAL?i.getDependency("accessor",h.NORMAL):t.attributes.normal;o.push(e)}if(s){const e=void 0!==h.COLOR_0?i.getDependency("accessor",h.COLOR_0):t.attributes.color;l.push(e)}}return Promise.all([Promise.all(a),Promise.all(o),Promise.all(l)]).then((function(e){const i=e[0],a=e[1],o=e[2];return n&&(t.morphAttributes.position=i),r&&(t.morphAttributes.normal=a),s&&(t.morphAttributes.color=o),t.morphTargetsRelative=!0,t}))}(t,e.targets,i):t}))}class rd{constructor(t=4){this.pool=t,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(t){if(!this.workers[t]){const e=this.workerCreator();e.addEventListener("message",this._onMessage.bind(this,t)),this.workers[t]=e}}_getIdleWorker(){for(let t=0;t<this.pool;t++)if(!(this.workerStatus&1<<t))return t;return-1}_onMessage(t,e){const i=this.workersResolve[t];if(i&&i(e),this.queue.length){const{resolve:e,msg:i,transfer:n}=this.queue.shift();this.workersResolve[t]=e,this.workers[t].postMessage(i,n)}else this.workerStatus^=1<<t}setWorkerCreator(t){this.workerCreator=t}setWorkerLimit(t){this.pool=t}postMessage(t,e){return new Promise((i=>{const n=this._getIdleWorker();-1!==n?(this._initWorker(n),this.workerStatus|=1<<n,this.workersResolve[n]=i,this.workers[n].postMessage(t,e)):this.queue.push({resolve:i,msg:t,transfer:e})}))}dispose(){this.workers.forEach((t=>t.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}const sd=2,ad=0,od=1,ld=10,cd=9,hd=15,ud=16,dd=22,Ad=37,pd=43,md=76,gd=83,fd=97,vd=100,_d=103,yd=109,Ed=165,xd=166;class Sd{constructor(){this.vkFormat=0,this.typeSize=1,this.pixelWidth=0,this.pixelHeight=0,this.pixelDepth=0,this.layerCount=0,this.faceCount=1,this.supercompressionScheme=0,this.levels=[],this.dataFormatDescriptor=[{vendorId:0,descriptorType:0,descriptorBlockSize:0,versionNumber:2,colorModel:0,colorPrimaries:1,transferFunction:2,flags:0,texelBlockDimension:[0,0,0,0],bytesPlane:[0,0,0,0,0,0,0,0],samples:[]}],this.keyValue={},this.globalData=null}}class Cd{constructor(t,e,i,n){this._dataView=new DataView(t.buffer,t.byteOffset+e,i),this._littleEndian=n,this._offset=0}_nextUint8(){const t=this._dataView.getUint8(this._offset);return this._offset+=1,t}_nextUint16(){const t=this._dataView.getUint16(this._offset,this._littleEndian);return this._offset+=2,t}_nextUint32(){const t=this._dataView.getUint32(this._offset,this._littleEndian);return this._offset+=4,t}_nextUint64(){const t=this._dataView.getUint32(this._offset,this._littleEndian)+2**32*this._dataView.getUint32(this._offset+4,this._littleEndian);return this._offset+=8,t}_nextInt32(){const t=this._dataView.getInt32(this._offset,this._littleEndian);return this._offset+=4,t}_skip(t){return this._offset+=t,this}_scan(t,e=0){const i=this._offset;let n=0;for(;this._dataView.getUint8(this._offset)!==e&&n<t;)n++,this._offset++;return n<t&&this._offset++,new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+i,n)}}const Id=[171,75,84,88,32,50,48,187,13,10,26,10];function Md(t){return"undefined"!=typeof TextDecoder?(new TextDecoder).decode(t):Buffer.from(t).toString("utf8")}let wd,bd,Td;const Bd={env:{emscripten_notify_memory_growth:function(t){Td=new Uint8Array(bd.exports.memory.buffer)}}};class Rd{init(){return wd||(wd="undefined"!=typeof fetch?fetch("data:application/wasm;base64,"+Dd).then((t=>t.arrayBuffer())).then((t=>WebAssembly.instantiate(t,Bd))).then(this._init):WebAssembly.instantiate(Buffer.from(Dd,"base64"),Bd).then(this._init),wd)}_init(t){bd=t.instance,Bd.env.emscripten_notify_memory_growth(0)}decode(t,e=0){if(!bd)throw new Error("ZSTDDecoder: Await .init() before decoding.");const i=t.byteLength,n=bd.exports.malloc(i);Td.set(t,n),e=e||Number(bd.exports.ZSTD_findDecompressedSize(n,i));const r=bd.exports.malloc(e),s=bd.exports.ZSTD_decompress(r,e,n,i),a=Td.slice(r,r+s);return bd.exports.free(n),bd.exports.free(r),a}}const Dd

528="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528d=new WeakMap;let Ud,Pd=0;class Nd extends Il{constructor(t){super(t),this.transcoderPath="",this.transcoderBinary=null,this.transcoderPending=null,this.workerPool=new rd,this.workerSourceURL="",this.workerConfig=null,"undefined"!=typeof MSC_TRANSCODER&&console.warn('THREE.KTX2Loader: Please update to latest "basis_transcoder". "msc_basis_transcoder" is no longer supported in three.js r125+.')}setTranscoderPath(t){return this.transcoderPath=t,this}setWorkerLimit(t){return this.workerPool.setWorkerLimit(t),this}async detectSupportAsync(t){return this.workerConfig={astcSupported:await t.hasFeatureAsync("texture-compression-astc"),etc1Supported:await t.hasFeatureAsync("texture-compression-etc1"),etc2Supported:await t.hasFeatureAsync("texture-compression-etc2"),dxtSupported:await t.hasFeatureAsync("texture-compression-bc"),bptcSupported:await t.hasFeatureAsync("texture-compression-bptc"),pvrtcSupported:await t.hasFeatureAsync("texture-compression-pvrtc")},this}detectSupport(t){return!0===t.isWebGPURenderer?this.workerConfig={astcSupported:t.hasFeature("texture-compression-astc"),etc1Supported:t.hasFeature("texture-compression-etc1"),etc2Supported:t.hasFeature("texture-compression-etc2"),dxtSupported:t.hasFeature("texture-compression-bc"),bptcSupported:t.hasFeature("texture-compression-bptc"),pvrtcSupported:t.hasFeature("texture-compression-pvrtc")}:(this.workerConfig={astcSupported:t.extensions.has("WEBGL_compressed_texture_astc"),etc1Supported:t.extensions.has("WEBGL_compressed_texture_etc1"),etc2Supported:t.extensions.has("WEBGL_compressed_texture_etc"),dxtSupported:t.extensions.has("WEBGL_compressed_texture_s3tc"),bptcSupported:t.extensions.has("EXT_texture_compression_bptc"),pvrtcSupported:t.extensions.has("WEBGL_compressed_texture_pvrtc")||t.extensions.has("WEBKIT_WEBGL_compressed_texture_pvrtc")},this.workerConfig.etc1Supported=!1),this}init(){if(!this.transcoderPending){const t=new bl(this.manager);t.setPath(this.transcoderPath),t.setWithCredentials(this.withCredentials);const e=t.loadAsync("basis_transcoder.js"),i=new bl(this.manager);i.setPath(this.transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const n=i.loadAsync("basis_transcoder.wasm");this.transcoderPending=Promise.all([e,n]).then((([t,e])=>{const i=Nd.BasisWorker.toString(),n=["/* constants */","let _EngineFormat = "+JSON.stringify(Nd.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(Nd.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(Nd.BasisFormat),"/* basis_transcoder.js */",t,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([n])),this.transcoderBinary=e,this.workerPool.setWorkerCreator((()=>{const t=new Worker(this.workerSourceURL),e=this.transcoderBinary.slice(0);return t.postMessage({type:"init",config:this.workerConfig,transcoderBinary:e},[e]),t}))})),Pd>0&&console.warn("THREE.KTX2Loader: Multiple active KTX2 loaders may cause performance issues. Use a single KTX2Loader instance, or call .dispose() on old instances."),Pd++}return this.transcoderPending}load(t,e,i,n){if(null===this.workerConfig)throw new Error("THREE.KTX2Loader: Missing initialization with `.detectSupport( renderer )`.");const r=new bl(this.manager);r.setResponseType("arraybuffer"),r.setWithCredentials(this.withCredentials),r.load(t,(t=>{if(Ld.has(t)){return Ld.get(t).promise.then(e).catch(n)}this._createTexture(t).then((t=>e?e(t):null)).catch(n)}),i,n)}_createTextureFrom(t,e){const{faces:i,width:n,height:r,format:s,type:a,error:o,dfdFlags:l}=t;if("error"===a)return Promise.reject(o);let c;if(6===e.faceCount)c=new Zo(i,s,tt);else{const t=i[0].mipmaps;c=e.layerCount>1?new $o(t,n,r,e.layerCount,s,tt):new Jo(t,n,r,s,tt)}return c.minFilter=1===i[0].mipmaps.length?J:Z,c.magFilter=J,c.generateMipmaps=!1,c.needsUpdate=!0,c.colorSpace=kd(e),c.premultiplyAlpha=!!(1&l),c}async _createTexture(t,e={}){const i=function(t){const e=new Uint8Array(t.buffer,t.byteOffset,Id.length);if(e[0]!==Id[0]||e[1]!==Id[1]||e[2]!==Id[2]||e[3]!==Id[3]||e[4]!==Id[4]||e[5]!==Id[5]||e[6]!==Id[6]||e[7]!==Id[7]||e[8]!==Id[8]||e[9]!==Id[9]||e[10]!==Id[10]||e[11]!==Id[11])throw new Error("Missing KTX 2.0 identifier.");const i=new Sd,n=17*Uint32Array.BYTES_PER_ELEMENT,r=new Cd(t,Id.length,n,!0);i.vkFormat=r._nextUint32(),i.typeSize=r._nextUint32(),i.pixelWidth=r._nextUint32(),i.pixelHeight=r._nextUint32(),i.pixelDepth=r._nextUint32(),i.layerCount=r._nextUint32(),i.faceCount=r._nextUint32();const s=r._nextUint32();i.supercompressionScheme=r._nextUint32();const a=r._nextUint32(),o=r._nextUint32(),l=r._nextUint32(),c=r._nextUint32(),h=r._nextUint64(),u=r._nextUint64(),d=new Cd(t,Id.length+n,3*s*8,!0);for(let e=0;e<s;e++)i.levels.push({levelData:new Uint8Array(t.buffer,t.byteOffset+d._nextUint64(),d._nextUint64()),uncompressedByteLength:d._nextUint64()});const A=new Cd(t,a,o,!0),p={vendorId:A._skip(4)._nextUint16(),descriptorType:A._nextUint16(),versionNumber:A._nextUint16(),descriptorBlockSize:A._nextUint16(),colorModel:A._nextUint8(),colorPrimaries:A._nextUint8(),transferFunction:A._nextUint8(),flags:A._nextUint8(),texelBlockDimension:[A._nextUint8(),A._nextUint8(),A._nextUint8(),A._nextUint8()],bytesPlane:[A._nextUint8(),A._nextUint8(),A._nextUint8(),A._nextUint8(),A._nextUint8(),A._nextUint8(),A._nextUint8(),A._nextUint8()],samples:[]},m=(p.descriptorBlockSize/4-6)/4;for(let t=0;t<m;t++){const e={bitOffset:A._nextUint16(),bitLength:A._nextUint8(),channelType:A._nextUint8(),samplePosition:[A._nextUint8(),A._nextUint8(),A._nextUint8(),A._nextUint8()],sampleLower:-1/0,sampleUpper:1/0};64&e.channelType?(e.sampleLower=A._nextInt32(),e.sampleUpper=A._nextInt32()):(e.sampleLower=A._nextUint32(),e.sampleUpper=A._nextUint32()),p.samples[t]=e}i.dataFormatDescriptor.length=0,i.dataFormatDescriptor.push(p);const g=new Cd(t,l,c,!0);for(;g._offset<c;){const t=g._nextUint32(),e=g._scan(t),n=Md(e),r=g._scan(t-e.byteLength);i.keyValue[n]=n.match(/^ktx/i)?Md(r):r,g._offset%4&&g._skip(4-g._offset%4)}if(u<=0)return i;const f=new Cd(t,h,u,!0),v=f._nextUint16(),_=f._nextUint16(),y=f._nextUint32(),E=f._nextUint32(),x=f._nextUint32(),S=f._nextUint32(),C=[];for(let t=0;t<s;t++)C.push({imageFlags:f._nextUint32(),rgbSliceByteOffset:f._nextUint32(),rgbSliceByteLength:f._nextUint32(),alphaSliceByteOffset:f._nextUint32(),alphaSliceByteLength:f._nextUint32()});const I=h+f._offset,M=I+y,w=M+E,b=w+x,T=new Uint8Array(t.buffer,t.byteOffset+I,y),B=new Uint8Array(t.buffer,t.byteOffset+M,E),R=new Uint8Array(t.buffer,t.byteOffset+w,x),D=new Uint8Array(t.buffer,t.byteOffset+b,S);return i.globalData={endpointCount:v,selectorCount:_,imageDescs:C,endpointsData:T,selectorsData:B,tablesData:R,extendedData:D},i}(new Uint8Array(t));if(0!==i.vkFormat)return async function(t){const{vkFormat:e}=t;if(void 0===Qd[e])throw new Error("THREE.KTX2Loader: Unsupported vkFormat.");let i;2===t.supercompressionScheme&&(Ud||(Ud=new Promise((async t=>{const e=new Rd;await e.init(),t(e)}))),i=await Ud);const n=[];for(let r=0;r<t.levels.length;r++){const s=Math.max(1,t.pixelWidth>>r),a=Math.max(1,t.pixelHeight>>r),o=t.pixelDepth?Math.max(1,t.pixelDepth>>r):0,l=t.levels[r];let c,h;if(0===t.supercompressionScheme)c=l.levelData;else{if(2!==t.supercompressionScheme)throw new Error("THREE.KTX2Loader: Unsupported supercompressionScheme.");c=i.decode(l.levelData,l.uncompressedByteLength)}h=Od[e]===nt?new Float32Array(c.buffer,c.byteOffset,c.byteLength/Float32Array.BYTES_PER_ELEMENT):Od[e]===rt?new Uint16Array(c.buffer,c.byteOffset,c.byteLength/Uint16Array.BYTES_PER_ELEMENT):c,n.push({data:h,width:s,height:a,depth:o})}let r;if(Fd.has(Qd[e]))r=0===t.pixelDepth?new _o(n[0].data,t.pixelWidth,t.pixelHeight):new Qe(n[0].data,t.pixelWidth,t.pixelHeight,t.pixelDepth);else{if(t.pixelDepth>0)throw new Error("THREE.KTX2Loader: Unsupported pixelDepth.");r=new Jo(n,t.pixelWidth,t.pixelHeight)}return r.mipmaps=n,r.type=Od[e],r.format=Qd[e],r.colorSpace=kd(t),r.needsUpdate=!0,Promise.resolve(r)}(i);const n=e,r=this.init().then((()=>this.workerPool.postMessage({type:"transcode",buffer:t,taskConfig:n},[t]))).then((t=>this._createTextureFrom(t.data,i)));return Ld.set(t,{promise:r}),r}dispose(){return this.workerPool.dispose(),this.workerSourceURL&&URL.revokeObjectURL(this.workerSourceURL),Pd--,this}}Nd.BasisFormat={ETC1S:0,UASTC_4x4:1},Nd.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},Nd.EngineFormat={RGBAFormat:at,RGBA_ASTC_4x4_Format:yt,RGBA_BPTC_Format:xt,RGBA_ETC2_EAC_Format:_t,RGBA_PVRTC_4BPPV1_Format:gt,RGBA_S3TC_DXT5_Format:pt,RGB_ETC1_Format:ft,RGB_ETC2_Format:vt,RGB_PVRTC_4BPPV1_Format:mt,RGB_S3TC_DXT1_Format:ut},Nd.BasisWorker=function(){let t,e,i;const n=_EngineFormat,r=_TranscoderFormat,s=_BasisFormat;self.addEventListener("message",(function(a){const u=a.data;switch(u.type){case"init":t=u.config,d=u.transcoderBinary,e=new Promise((t=>{i={wasmBinary:d,onRuntimeInitialized:t},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("THREE.KTX2Loader: Please update Basis Universal transcoder.")}));break;case"transcode":e.then((()=>{try{const{faces:e,buffers:a,width:d,height:A,hasAlpha:p,format:m,dfdFlags:g}

532 * you may not use this file except in compliance with the License.
533 * You may obtain a copy of the License at
534 *
535 *     http://www.apache.org/licenses/LICENSE-2.0
536 *
537 * Unless required by applicable law or agreed to in writing, software
538 * distributed under the License is distributed on an 'AS IS' BASIS,
539 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
540 * See the License for the specific language governing permissions and
541 * limitations under the License.
542 */var Gd,Hd;const zd=Symbol("retainerCount"),Vd=Symbol("recentlyUsed"),Wd=Symbol("evict"),qd=Symbol("evictionThreshold"),Xd=Symbol("cache");class jd{constructor(t,e=5){this[Gd]=new Map,this[Hd]=[],this[Xd]=t,this[qd]=e}set evictionThreshold(t){this[qd]=t,this[Wd]()}get evictionThreshold(){return this[qd]}get cache(){return this[Xd]}retainerCount(t){return this[zd].get(t)||0}reset(){this[zd].clear(),this[Vd]=[]}retain(t){this[zd].has(t)||this[zd].set(t,0),this[zd].set(t,this[zd].get(t)+1);const e=this[Vd].indexOf(t);-1!==e&&this[Vd].splice(e,1),this[Vd].unshift(t),this[Wd]()}release(t){this[zd].has(t)&&this[zd].set(t,Math.max(this[zd].get(t)-1,0)),this[Wd]()}[(Gd=zd,Hd=Vd,Wd)](){if(!(this[Vd].length<this[qd]))for(let t=this[Vd].length-1;t>=this[qd];--t){const e=this[Vd][t];0===this[zd].get(e)&&(this[Xd].delete(e),this[Vd].splice(t,1))}}}
543/* @license
544 * Copyright 2021 Google LLC. All Rights Reserved.
545 * Licensed under the Apache License, Version 2.0 (the 'License');
546 * you may not use this file except in compliance with the License.
547 * You may obtain a copy of the License at
548 *
549 *     http://www.apache.org/licenses/LICENSE-2.0
550 *
551 * Unless required by applicable law or agreed to in writing, software
552 * distributed under the License is distributed on an 'AS IS' BASIS,
553 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
554 * See the License for the specific language governing permissions and
555 * limitations under the License.
556 */const Yd=t=>{const e=new Map;for(const i of t.mappings)for(const t of i.variants)e.set(t,{material:null,gltfMaterialIndex:i.material});return e};class Kd{constructor(t){this.parser=t,this.name="KHR_materials_variants"}afterRoot(t){const e=this.parser,i=e.json;if(void 0===i.extensions||void 0===i.extensions[this.name])return null;const n=(t=>{const e=[],i=new Set;for(const n of t){let t=n,r=0;for(;i.has(t);)t=n+"."+ ++r;i.add(t),e.push(t)}return e})((i.extensions[this.name].variants||[]).map((t=>t.name)));for(const n of t.scenes)n.traverse((t=>{const n=t;if(!n.material)return;const r=e.associations.get(n);if(null==r||null==r.meshes||null==r.primitives)return;const s=i.meshes[r.meshes].primitives[r.primitives].extensions;s&&s[this.name]&&(n.userData.variantMaterials=Yd(s[this.name]))}));return t.userData.variants=n,Promise.resolve()}}
557/* @license
558 * Copyright 2019 Google LLC. All Rights Reserved.
559 * Licensed under the Apache License, Version 2.0 (the 'License');
560 * you may not use this file except in compliance with the License.
561 * You may obtain a copy of the License at
562 *
563 *     http://www.apache.org/licenses/LICENSE-2.0
564 *
565 * Unless required by applicable law or agreed to in writing, software
566 * distributed under the License is distributed on an 'AS IS' BASIS,
567 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
568 * See the License for the specific language governing permissions and
569 * limitations under the License.
570 */var Jd,$d;Le.DEFAULT_ANISOTROPY=4;const Zd=new Map,tA=new Map;let eA;const iA=new class extends Il{constructor(t){super(t),this.decoderPath="",this.decoderConfig={},this.decoderBinary=null,this.decoderPending=null,this.workerLimit=4,this.workerPool=[],this.workerNextTaskID=1,this.workerSourceURL="",this.defaultAttributeIDs={position:"POSITION",normal:"NORMAL",color:"COLOR",uv:"TEX_COORD"},this.defaultAttributeTypes={position:"Float32Array",normal:"Float32Array",color:"Float32Array",uv:"Float32Array"}}setDecoderPath(t){return this.decoderPath=t,this}setDecoderConfig(t){return this.decoderConfig=t,this}setWorkerLimit(t){return this.workerLimit=t,this}load(t,e,i,n){const r=new bl(this.manager);r.setPath(this.path),r.setResponseType("arraybuffer"),r.setRequestHeader(this.requestHeader),r.setWithCredentials(this.withCredentials),r.load(t,(t=>{this.parse(t,e,n)}),i,n)}parse(t,e,i=(()=>{})){this.decodeDracoFile(t,e,null,null,Lt).catch(i)}decodeDracoFile(t,e,i,n,r=Ut,s=(()=>{})){const a={attributeIDs:i||this.defaultAttributeIDs,attributeTypes:n||this.defaultAttributeTypes,useUniqueIDs:!!i,vertexColorSpace:r};return this.decodeGeometry(t,a).then(e).catch(s)}decodeGeometry(t,e){const i=JSON.stringify(e);if(ru.has(t)){const e=ru.get(t);if(e.key===i)return e.promise;if(0===t.byteLength)throw new Error("THREE.DRACOLoader: Unable to re-decode a buffer with different settings. Buffer has already been transferred.")}let n;const r=this.workerNextTaskID++,s=t.byteLength,a=this._getWorker(r,s).then((i=>(n=i,new Promise(((i,s)=>{n._callbacks[r]={resolve:i,reject:s},n.postMessage({type:"decode",id:r,taskConfig:e,buffer:t},[t])}))))).then((t=>this._createGeometry(t.geometry)));return a.catch((()=>!0)).then((()=>{n&&r&&this._releaseTask(n,r)})),ru.set(t,{key:i,promise:a}),a}_createGeometry(t){const e=new wn;t.index&&e.setIndex(new gn(t.index.array,1));for(let i=0;i<t.attributes.length;i++){const n=t.attributes[i],r=n.name,s=n.array,a=n.itemSize,o=new gn(s,a);"color"===r&&(this._assignVertexColorSpace(o,n.vertexColorSpace),o.normalized=s instanceof Float32Array==!1),e.setAttribute(r,o)}return e}_assignVertexColorSpace(t,e){if(e!==Lt)return;const i=new an;for(let e=0,n=t.count;e<n;e++)i.fromBufferAttribute(t,e).convertSRGBToLinear(),t.setXYZ(e,i.r,i.g,i.b)}_loadLibrary(t,e){const i=new bl(this.manager);return i.setPath(this.decoderPath),i.setResponseType(e),i.setWithCredentials(this.withCredentials),new Promise(((e,n)=>{i.load(t,e,void 0,n)}))}preload(){return this._initDecoder(),this}

570_initDecoder(){if(this.decoderPending)return this.decoderPending;const t="object"!=typeof WebAssembly||"js"===this.decoderConfig.type,e=[];return t?e.push(this._loadLibrary("draco_decoder.js","text")):(e.push(this._loadLibrary("draco_wasm_wrapper.js","text")),e.push(this._loadLibrary("draco_decoder.wasm","arraybuffer"))),this.decoderPending=Promise.all(e).then((e=>{const i=e[0];t||(this.decoderConfig.wasmBinary=e[1]);const n=su.toString(),r=["/* draco decoder */",i,"","/* worker */",n.substring(n.indexOf("{")+1,n.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([r]))})),this.decoderPending}_getWorker(t,e){return this._initDecoder().then((()=>{if(this.workerPool.length<this.workerLimit){const t=new Worker(this.workerSourceURL);t._callbacks={},t._taskCosts={},t._taskLoad=0,t.postMessage({type:"init",decoderConfig:this.decoderConfig}),t.onmessage=function(e){const i=e.data;switch(i.type){case"decode":t._callbacks[i.id].resolve(i);break;case"error":t._callbacks[i.id].reject(i);break;default:console.error('THREE.DRACOLoader: Unexpected message, "'+i.type+'"')}},this.workerPool.push(t)}else this.workerPool.sort((function(t,e){return t._taskLoad>e._taskLoad?-1:1}));const i=this.workerPool[this.workerPool.length-1];return i._taskCosts[t]=e,i._taskLoad+=e,i}))}_releaseTask(t,e){t._taskLoad-=t._taskCosts[e],delete t._callbacks[e],delete t._taskCosts[e]}debug(){console.log("Task load: ",this.workerPool.map((t=>t._taskLoad)))}dispose(){for(let t=0;t<this.workerPool.length;++t)this.workerPool[t].terminate();return this.workerPool.length=0,""!==this.workerSourceURL&&URL.revokeObjectURL(this.workerSourceURL),this}};let nA;const rA=new Nd;let sA,aA;const oA=Symbol("loader"),lA=Symbol("evictionPolicy"),cA=Symbol("GLTFInstance");class hA extends te{constructor(t){super(),this[$d]=(new ou).register((t=>new Kd(t))),this[cA]=t,this[oA].setDRACOLoader(iA),this[oA].setKTX2Loader(rA)}static setDRACODecoderLocation(t){eA=t,iA.setDecoderPath(t)}static getDRACODecoderLocation(){return eA}static setKTX2TranscoderLocation(t){nA=t,rA.setTranscoderPath(t)}static getKTX2TranscoderLocation(){return nA}static setMeshoptDecoderLocation(t){var e;sA!==t&&(sA=t,aA=(e=t,new Promise(((t,i)=>{const n=document.createElement("script");document.body.appendChild(n),n.onload=t,n.onerror=i,n.async=!0,n.src=e}))).then((()=>MeshoptDecoder.ready)).then((()=>MeshoptDecoder)))}static getMeshoptDecoderLocation(){return sA}static initializeKTX2Loader(t){rA.detectSupport(t)}static get cache(){return Zd}static clearCache(){Zd.forEach(((t,e)=>{this.delete(e)})),this[lA].reset()}static has(t){return Zd.has(t)}static async delete(t){if(!this.has(t))return;const e=Zd.get(t);tA.delete(t),Zd.delete(t);(await e).dispose()}static hasFinishedLoading(t){return!!tA.get(t)}get[(Jd=lA,$d=oA,lA)](){return this.constructor[lA]}async preload(t,e,i=(()=>{})){if(this[oA].setWithCredentials(hA.withCredentials),this.dispatchEvent({type:"preload",element:e,src:t}),!Zd.has(t)){null!=aA&&this[oA].setMeshoptDecoder(await aA);const e=((t,e,i=(()=>{}))=>{const n=t=>{const e=t.loaded/t.total;i(Math.max(0,Math.min(1,isFinite(e)?e:1)))};return new Promise(((i,r)=>{e.load(t,i,n,r)}))})(t,this[oA],(t=>{i(.8*t)})),n=this[cA],r=e.then((t=>n.prepare(t))).then((t=>(i(.9),new n(t)))).catch((t=>(console.error(t),new n)));Zd.set(t,r)}await Zd.get(t),tA.set(t,!0),i&&i(1)}async load(t,e,i=(()=>{})){await this.preload(t,e,i);const n=await Zd.get(t),r=await n.clone();return this[lA].retain(t),r.dispose=()=>{this[lA].release(t)},r}}hA[Jd]=new jd(hA);class uA extends zi{constructor(t=document.createElement("div")){super(),this.isCSS2DObject=!0,this.element=t,this.element.style.position="absolute",this.element.style.userSelect="none",this.element.setAttribute("draggable",!1),this.center=new de(.5,.5),this.addEventListener("removed",(function(){this.traverse((function(t){t.element instanceof Element&&null!==t.element.parentNode&&t.element.parentNode.removeChild(t.element)}))}))}copy(t,e){return super.copy(t,e),this.element=t.element.cloneNode(!0),this.center=t.center,this}}const dA=new ke,AA=new gi,pA=new gi,mA=new ke,gA=new ke;class fA{constructor(t={}){const e=this;let i,n,r,s;const a={objects:new WeakMap},o=void 0!==t.element?t.element:document.createElement("div");function l(t,i,n){if(t.isCSS2DObject){dA.setFromMatrixPosition(t.matrixWorld),dA.applyM

570r.setPlugins(s),r.write(t,e,n).catch(i)}parseAsync(t,e){const i=this;return new Promise((function(n,r){i.parse(t,n,r,e)}))}}const MA=0,wA=1,bA=2,TA=3,BA=4,RA=5120,DA=5121,LA=5122,UA=5123,PA=5124,NA=5125,FA=5126,QA=34962,OA=34963,kA=9728,GA=9729,HA=9984,zA=9985,VA=9986,WA=9987,qA=33071,XA=33648,jA=10497,YA="KHR_mesh_quantization",KA={};KA[1003]=kA,KA[1004]=HA,KA[1005]=VA,KA[1006]=GA,KA[1007]=zA,KA[1008]=WA,KA[1001]=qA,KA[1e3]=jA,KA[1002]=XA;const JA={scale:"scale",position:"translation",quaternion:"rotation",morphTargetInfluences:"weights"},$A=new an;function ZA(t,e){return t.length===e.length&&t.every((function(t,i){return t===e[i]}))}function tp(t){return 4*Math.ceil(t/4)}function ep(t,e=0){const i=tp(t.byteLength);if(i!==t.byteLength){const n=new Uint8Array(i);if(n.set(new Uint8Array(t)),0!==e)for(let r=t.byteLength;r<i;r++)n[r]=e;return n.buffer}return t}function ip(){return"undefined"==typeof document&&"undefined"!=typeof OffscreenCanvas?new OffscreenCanvas(1,1):document.createElement("canvas")}function np(t,e){if(void 0!==t.toBlob)return new Promise((i=>t.toBlob(i,e)));let i;return"image/jpeg"===e?i=.92:"image/webp"===e&&(i=.8),t.convertToBlob({type:e,quality:i})}class rp{constructor(){this.plugins=[],this.options={},this.pending=[],this.buffers=[],this.byteOffset=0,this.buffers=[],this.nodeMap=new Map,this.skins=[],this.extensionsUsed={},this.extensionsRequired={},this.uids=new Map,this.uid=0,this.json={asset:{version:"2.0",generator:"THREE.GLTFExporter"}},this.cache={meshes:new Map,attributes:new Map,attributesNormalized:new Map,materials:new Map,textures:new Map,images:new Map}}setPlugins(t){this.plugins=t}async write(t,e,i={}){this.options=Object.assign({binary:!1,trs:!1,onlyVisible:!0,maxTextureSize:1/0,animations:[],includeCustomExtensions:!1},i),this.options.animations.length>0&&(this.options.trs=!0),this.processInput(t),await Promise.all(this.pending);const n=this,r=n.buffers,s=n.json;i=n.options;const a=n.extensionsUsed,o=n.extensionsRequired,l=new Blob(r,{type:"application/octet-stream"}),c=Object.keys(a),h=Object.keys(o);if(c.length>0&&(s.extensionsUsed=c),h.length>0&&(s.extensionsRequired=h),s.buffers&&s.buffers.length>0&&(s.buffers[0].byteLength=l.size),!0===i.binary){const t=new FileReader;t.readAsArrayBuffer(l),t.onloadend=function(){const i=ep(t.result),n=new DataView(new ArrayBuffer(8));n.setUint32(0,i.byteLength,!0),n.setUint32(4,5130562,!0);const r=ep((a=JSON.stringify(s),(new TextEncoder).encode(a).buffer),32);var a;const o=new DataView(new ArrayBuffer(8));o.setUint32(0,r.byteLength,!0),o.setUint32(4,1313821514,!0);const l=new ArrayBuffer(12),c=new DataView(l);c.setUint32(0,1179937895,!0),c.setUint32(4,2,!0);const h=12+o.byteLength+r.byteLength+n.byteLength+i.byteLength;c.setUint32(8,h,!0);const u=new Blob([l,o,r,n,i],{type:"application/octet-stream"}),d=new FileReader;d.readAsArrayBuffer(u),d.onloadend=function(){e(d.result)}}}else if(s.buffers&&s.buffers.length>0){const t=new FileReader;t.readAsDataURL(l),t.onloadend=function(){const i=t.result;s.buffers[0].uri=i,e(s)}}else e(s)}serializeUserData(t,e){if(0===Object.keys(t.userData).length)return;const i=this.options,n=this.extensionsUsed;try{const r=JSON.parse(JSON.stringify(t.userData));if(i.includeCustomExtensions&&r.gltfExtensions){void 0===e.extensions&&(e.extensions={});for(const t in r.gltfExtensions)e.extensions[t]=r.gltfExtensions[t],n[t]=!0;delete r.gltfExtensions}Object.keys(r).length>0&&(e.extras=r)}catch(e){console.warn("THREE.GLTFExporter: userData of '"+t.name+"' won't be serialized because of JSON.stringify error - "+e.message)}}getUID(t,e=!1){if(!1===this.uids.has(t)){const e=new Map;e.set(!0,this.uid++),e.set(!1,this.uid++),this.uids.set(t,e)}return this.uids.get(t).get(e)}isNormalizedNormalAttribute(t){if(this.cache.attributesNormalized.has(t))return!1;const e=new ke;for(let i=0,n=t.count;i<n;i++)if(Math.abs(e.fromBufferAttribute(t,i).length()-1)>5e-4)return!1;return!0}createNormalizedNormalAttribute(t){const e=this.cache;if(e.attributesNormalized.has(t))return e.attributesNormalized.get(t);const i=t.clone(),n=new ke;for(let t=0,e=i.count;t<e;t++)n.fromBufferAttribute(i,t),0===n.x&&0===n.y&&0===n.z?n.setX(1):n.normalize(),i.setXYZ(t,n.x,n.y,n.z);return e.attributesNormalized.set(t,i),i}applyTextureTransform(t,e){let i=!1;const n={};0===e.offset.x&&0===e.offset.y||(n.offset=e.offset.toArray(),i=!0),0!==e.rotation&&(n.rotation=e.rotation,i=!0),1===e.repeat.x&&1===e.repeat.y||(n.scale=e.repeat.toArray(),i=!0),i&&(t.extensions=t.extensions||{},t.extensions.KHR_texture_transform=n,this.extensionsUsed.KHR_texture_transform=!0)}buildMetalRoughTexture(t,e){if(t===e)return t;

570function i(t){return t.colorSpace===Lt?function(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}:function(t){return t}}console.warn("THREE.GLTFExporter: Merged metalnessMap and roughnessMap textures."),t instanceof Jo&&(t=SA(t)),e instanceof Jo&&(e=SA(e));const n=t?t.image:null,r=e?e.image:null,s=Math.max(n?n.width:0,r?r.width:0),a=Math.max(n?n.height:0,r?r.height:0),o=ip();o.width=s,o.height=a;const l=o.getContext("2d");l.fillStyle="#00ffff",l.fillRect(0,0,s,a);const c=l.getImageData(0,0,s,a);if(n){l.drawImage(n,0,0,s,a);const e=i(t),r=l.getImageData(0,0,s,a).data;for(let t=2;t<r.length;t+=4)c.data[t]=256*e(r[t]/256)}if(r){l.drawImage(r,0,0,s,a);const t=i(e),n=l.getImageData(0,0,s,a).data;for(let e=1;e<n.length;e+=4)c.data[e]=256*t(n[e]/256)}l.putImageData(c,0,0);const h=(t||e).clone();return h.source=new Be(o),h.colorSpace=Dt,h.channel=(t||e).channel,t&&e&&t.channel!==e.channel&&console.warn("THREE.GLTFExporter: UV channels for metalnessMap and roughnessMap textures must match."),h}processBuffer(t){const e=this.json,i=this.buffers;return e.buffers||(e.buffers=[{byteLength:0}]),i.push(t),0}processBufferView(t,e,i,n,r){const s=this.json;let a;switch(s.bufferViews||(s.bufferViews=[]),e){case RA:case DA:a=1;break;case LA:case UA:a=2;break;default:a=4}let o=t.itemSize*a;r===QA&&(o=4*Math.ceil(o/4));const l=tp(n*o),c=new DataView(new ArrayBuffer(l));let h=0;for(let r=i;r<i+n;r++){for(let i=0;i<t.itemSize;i++){let n;t.itemSize>4?n=t.array[r*t.itemSize+i]:(0===i?n=t.getX(r):1===i?n=t.getY(r):2===i?n=t.getZ(r):3===i&&(n=t.getW(r)),!0===t.normalized&&(n=ue.normalize(n,t.array))),e===FA?c.setFloat32(h,n,!0):e===PA?c.setInt32(h,n,!0):e===NA?c.setUint32(h,n,!0):e===LA?c.setInt16(h,n,!0):e===UA?c.setUint16(h,n,!0):e===RA?c.setInt8(h,n):e===DA&&c.setUint8(h,n),h+=a}h%o!=0&&(h+=o-h%o)}const u={buffer:this.processBuffer(c.buffer),byteOffset:this.byteOffset,byteLength:l};void 0!==r&&(u.target=r),r===QA&&(u.byteStride=o),this.byteOffset+=l,s.bufferViews.push(u);return{id:s.bufferViews.length-1,byteLength:0}}processBufferViewImage(t){const e=this,i=e.json;return i.bufferViews||(i.bufferViews=[]),new Promise((function(n){const r=new FileReader;r.readAsArrayBuffer(t),r.onloadend=function(){const t=ep(r.result),s={buffer:e.processBuffer(t),byteOffset:e.byteOffset,byteLength:t.byteLength};e.byteOffset+=t.byteLength,n(i.bufferViews.push(s)-1)}}))}processAccessor(t,e,i,n){const r=this.json;let s;if(t.array.constructor===Float32Array)s=FA;else if(t.array.constructor===Int32Array)s=PA;else if(t.array.constructor===Uint32Array)s=NA;else if(t.array.constructor===Int16Array)s=LA;else if(t.array.constructor===Uint16Array)s=UA;else if(t.array.constructor===Int8Array)s=RA;else{if(t.array.constructor!==Uint8Array)throw new Error("THREE.GLTFExporter: Unsupported bufferAttribute component type: "+t.array.constructor.name);s=DA}if(void 0===i&&(i=0),void 0!==n&&n!==1/0||(n=t.count),0===n)return null;const a=function(t,e,i){const n={min:new Array(t.itemSize).fill(Number.POSITIVE_INFINITY),max:new Array(t.itemSize).fill(Number.NEGATIVE_INFINITY)};for(let r=e;r<e+i;r++)for(let e=0;e<t.itemSize;e++){let i;t.itemSize>4?i=t.array[r*t.itemSize+e]:(0===e?i=t.getX(r):1===e?i=t.getY(r):2===e?i=t.getZ(r):3===e&&(i=t.getW(r)),!0===t.normalized&&(i=ue.normalize(i,t.array))),n.min[e]=Math.min(n.min[e],i),n.max[e]=Math.max(n.max[e],i)}return n}(t,i,n);let o;void 0!==e&&(o=t===e.index?OA:QA);const l=this.processBufferView(t,s,i,n,o),c={bufferView:l.id,byteOffset:l.byteOffset,componentType:s,count:n,max:a.max,min:a.min,type:{1:"SCALAR",2:"VEC2",3:"VEC3",4:"VEC4",9:"MAT3",16:"MAT4"}[t.itemSize]};return!0===t.normalized&&(c.normalized=!0),r.accessors||(r.accessors=[]),r.accessors.push(c)-1}processImage(t,e,i,n="image/png"){if(null!==t){const r=this,s=r.cache,a=r.json,o=r.options,l=r.pending;s.images.has(t)||s.images.set(t,{});const c=s.images.get(t),h=n+":flipY/"+i.toString();if(void 0!==c[h])return c[h];a.images||(a.images=[]);const u={mimeType:n},d=ip();d.width=Math.min(t.width,o.maxTextureSize),d.height=Math.min(t.height,o.maxTextureSize);const A=d.getContext("2d");if(!0===i&&(A.translate(0,d.height),A.scale(1,-1)),void 0!==t.data){e!==at&&console.error("GLTFExporter: Only RGBAFormat is supported.",e),(t.width>o.maxTextureSize||t.height>

570o.maxTextureSize)&&console.warn("GLTFExporter: Image size is bigger than maxTextureSize",t);const i=new Uint8ClampedArray(t.height*t.width*4);for(let e=0;e<i.length;e+=4)i[e+0]=t.data[e+0],i[e+1]=t.data[e+1],i[e+2]=t.data[e+2],i[e+3]=t.data[e+3];A.putImageData(new ImageData(i,t.width,t.height),0,0)}else{if(!("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas))throw new Error("THREE.GLTFExporter: Invalid image type. Use HTMLImageElement, HTMLCanvasElement, ImageBitmap or OffscreenCanvas.");A.drawImage(t,0,0,d.width,d.height)}!0===o.binary?l.push(np(d,n).then((t=>r.processBufferViewImage(t))).then((t=>{u.bufferView=t}))):void 0!==d.toDataURL?u.uri=d.toDataURL(n):l.push(np(d,n).then((t=>(new FileReader).readAsDataURL(t))).then((t=>{u.uri=t})));const p=a.images.push(u)-1;return c[h]=p,p}throw new Error("THREE.GLTFExporter: No valid image data found. Unable to process texture.")}processSampler(t){const e=this.json;e.samplers||(e.samplers=[]);const i={magFilter:KA[t.magFilter],minFilter:KA[t.minFilter],wrapS:KA[t.wrapS],wrapT:KA[t.wrapT]};return e.samplers.push(i)-1}processTexture(t){const e=this.options,i=this.cache,n=this.json;if(i.textures.has(t))return i.textures.get(t);n.textures||(n.textures=[]),t instanceof Jo&&(t=SA(t,e.maxTextureSize));let r=t.userData.mimeType;"image/webp"===r&&(r="image/png");const s={sampler:this.processSampler(t),source:this.processImage(t.image,t.format,t.flipY,r)};t.name&&(s.name=t.name),this._invokeAll((function(e){e.writeTexture&&e.writeTexture(t,s)}));const a=n.textures.push(s)-1;return i.textures.set(t,a),a}processMaterial(t){const e=this.cache,i=this.json;if(e.materials.has(t))return e.materials.get(t);if(t.isShaderMaterial)return console.warn("GLTFExporter: THREE.ShaderMaterial not supported."),null;i.materials||(i.materials=[]);const n={pbrMetallicRoughness:{}};!0!==t.isMeshStandardMaterial&&!0!==t.isMeshBasicMaterial&&console.warn("GLTFExporter: Use MeshStandardMaterial or MeshBasicMaterial for best results.");const r=t.color.toArray().concat([t.opacity]);if(ZA(r,[1,1,1,1])||(n.pbrMetallicRoughness.baseColorFactor=r),t.isMeshStandardMaterial?(n.pbrMetallicRoughness.metallicFactor=t.metalness,n.pbrMetallicRoughness.roughnessFactor=t.roughness):(n.pbrMetallicRoughness.metallicFactor=.5,n.pbrMetallicRoughness.roughnessFactor=.5),t.metalnessMap||t.roughnessMap){const e=this.buildMetalRoughTexture(t.metalnessMap,t.roughnessMap),i={index:this.processTexture(e),channel:e.channel};this.applyTextureTransform(i,e),n.pbrMetallicRoughness.metallicRoughnessTexture=i}if(t.map){const e={index:this.processTexture(t.map),texCoord:t.map.channel};this.applyTextureTransform(e,t.map),n.pbrMetallicRoughness.baseColorTexture=e}if(t.emissive){const e=t.emissive;if(Math.max(e.r,e.g,e.b)>0&&(n.emissiveFactor=t.emissive.toArray()),t.emissiveMap){const e={index:this.processTexture(t.emissiveMap),texCoord:t.emissiveMap.channel};this.applyTextureTransform(e,t.emissiveMap),n.emissiveTexture=e}}if(t.normalMap){const e={index:this.processTexture(t.normalMap),texCoord:t.normalMap.channel};t.normalScale&&1!==t.normalScale.x&&(e.scale=t.normalScale.x),this.applyTextureTransform(e,t.normalMap),n.normalTexture=e}if(t.aoMap){const e={index:this.processTexture(t.aoMap),texCoord:t.aoMap.channel};1!==t.aoMapIntensity&&(e.strength=t.aoMapIntensity),this.applyTextureTransform(e,t.aoMap),n.occlusionTexture=e}t.transparent?n.alphaMode="BLEND":t.alphaTest>0&&(n.alphaMode="MASK",n.alphaCutoff=t.alphaTest),t.side===c&&(n.doubleSided=!0),""!==t.name&&(n.name=t.name),this.serializeUserData(t,n),this._invokeAll((function(e){e.writeMaterial&&e.writeMaterial(t,n)}));const s=i.materials.push(n)-1;return e.materials.set(t,s),s}processMesh(t){const e=this.cache,i=this.json,n=[t.geometry.uuid];if(Array.isArray(t.material))for(let e=0,i=t.material.length;e<i;e++)n.push(t.material[e].uuid);else n.push(t.material.uuid);const r=n.join(":");if(e.meshes.has(r))return e.meshes.get(r);const s=t.geometry;let a;a=t.isLineSegments?wA:t.isLineLoop?bA:t.isLine?TA:t.isPoints?MA:t.material.wireframe?wA:BA;const o={},l={},c=[],h=[],u={uv:"TEXCOORD_0",uv1:"TEXCOORD_1",uv2:"TEXCOORD_2",uv3:"TEXCOORD_3",color:"COLOR_0",skinWeight:"WEIGHTS_0",skinIndex:"JOINTS_0"},d=s.getAttribute("normal");void 0===d||this.isNormalizedNormalAttribute(d)||(console.warn("THREE.GLTFExporter: Creating normalized normal attribute from the non-normalized one."),s.setAttribute("normal",this.createNormalizedNormalAttribute(d)));let A=null;for(let t in s.attributes){if("morph"===t.slice(0,5))continue;const i=s.attributes[t];t=u[t]||t.toUpperCase();if(/^(POSITION|NORMAL|TANGENT|TEXCOORD_\d+|COLOR_\d+|JOINTS_\d+|WEIGHTS_\d+)$/.test(t)||(t="_"+t),e.attributes.has(this.getUID(i))){l[t]=e.attributes.get(this.getUID(i));continue}A=null;const n=i.array;"JOINTS_0"!==t||n instanceof Uint16Array||n instanceof Uint8Array||(console.warn('GLTFExporter: Attribute "skinIndex" converted to type UNSIGNED_SHORT.'),A=new gn(new Uint16Array(n),i.itemSize,i.normalized));const r=this.processAccessor(A||i,s);null!==r&&(t.startsWith("_")||this.detectMeshQuantization(t,i),l[t]=r,e.attributes.set(this.getUID(i),r))}if(void 0!==d&&s.setAttribute("normal",d),0===Object.keys(l).length)return null;if(void 0!==t.morphTargetInfluences&&t.morphTargetInfluences.length>0){const i=[],n=[],r={};if(void 0!==t.morphTargetDictionary)for(const e in t.morphTargetDictionary)r[t.morphTargetDictionary[e]]=e;for(let a=0;a<t.morphTargetInfluences.length;++a){const o={};let l=!1;for(const t in s.morphAttributes){if("position"!==t&&"normal"!==t){l||(console.warn("GLTFExporter: Only POSITION and NORMAL morph are supported."),l=!0);continue}const i=s.morphAttributes[t][a],n=t.toUpperCase(),r=s.attributes[t];if(e.attributes.has(this.getUID(i,!0))){o[n]=e.attributes.get(this.getUID(i,!0));continue}const c=i.clone();if(!s.morphTargetsRelative)for(let t=0,e=i.count;t<e;t++)for(let e=0;e<i.itemSize;e++)0===e&&c.setX(t,i.getX(t)-r.getX(t)),1===e&&c.setY(t,i.getY(t)-r.getY(t)),2===e&&c.setZ(t,i.getZ(t)-r.getZ(t)),3===e&&c.setW(t,i.getW(t)-r.getW(t));o[n]=this.processAccessor(c,s),e.attributes.set(this.getUID(r,!0),o[n])}h.push(o),i.push(t.morphTargetInfluences[a]),void 0!==t.morphTargetDictionary&&n.push(r[a])}o.weights=i,n.length>0&&(o.extras={},o.extras.targetNames=n)}const p=Array.isArray(t.material);if(p&&0===s.groups.length)return null;let m=!1;if(p&&null===s.index){const t=[];for(let e=0,i=s.attributes.position.count;e<i;e++)t[e]=e;s.setIndex(t),m=!0}const g=p?t.material:[t.material],f=p?s.groups:[{materialIndex:0,start:void 0,count:void 0}];for(let t=0,i=f.length;t<i;t++){const i={mode:a,attributes:l};if(this.serializeUserData(s,i),h.length>0&&(i.targets=h),null!==s.index){let n=this.getUID(s.index);void 0===f[t].start&&void 0===f[t].count||(n+=":"+f[t].start+":"+f[t].count),e.attributes.has(n)?i.indices=e.attributes.get(n):(i.indices=this.processAccessor(s.index,s,f[t].start,f[t].count),e.attributes.set(n,i.indices)),null===i.indices&&delete i.indices}const n=this.processMaterial(g[f[t].materialIndex]);null!==n&&(i.material=n),c.push(i)}!0===m&&s.setIndex(null),o.primitives=c,i.meshes||(i.meshes=[]),this._invokeAll((function(e){e.writeMesh&&e.writeMesh(t,o)}));const v=i.meshes.push(o)-1;return e.meshes.set(r,v),v}detectMeshQuantization(t,e){if(this.extensionsUsed[YA])return;let i;switch(e.array.constructor){case Int8Array:i="byte";break;case Uint8Array:i="unsigned byte";break;case Int16Array:i="short";break;case Uint16Array:i="unsigned short";break;default:return}e.normalized&&(i+=" normalized");const n=t.split("_",1)[0];CA[n]&&CA[n].includes(i)&&(this.extensionsUsed[YA]=!0,this.extensionsRequired[YA]=!0)}processCamera(t){const e=this.json;e.cameras||(e.cameras=[]);const i=t.isOrthographicCamera,n={type:i?"orthographic":"perspective"};return i?n.orthographic={xmag:2*t.right,ymag:2*t.top,zfar:t.far<=0?.001:t.far,znear:t.near<0?0:t.near}:n.perspective={aspectRatio:t.aspect,yfov:ue.degToRad(t.fov),zfar:t.far<=0?.001:t.far,znear:t.near<0?0:t.near},""!==t.name&&(n.name=t.type),e.cameras.push(n)-1}processAnimation(t,e){const i=this.json,n=this.nodeMap;i.animations||(i.animations=[]);const r=(t=IA.Utils.mergeMorphTargetTracks(t.clone(),e)).tracks,s=[],a=[];for(let t=0;t<r.length;++t){const i=r[t],o=nc.parseTrackName(i.name);let l=nc.findNode(e,o.nodeName);const c=JA[o.propertyName];if("bones"===o.objectName&&(l=!0===l.isSkinnedMesh?l.skeleton.getBoneByName(o.objectIndex):void 0),!l||!c)return console.warn('THREE.GLTFExporter: Could not export animation track "%s".',i.name),null;const h=1;let u,d=i.values.length/i.times.length;c===JA.morphTargetInfluences&&(d/=l.morphTargetInfluences.length),!0===i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline?(u="CUBICSPLINE",d/=3):u=i.getInterpolation()===It?"STEP":"LINEAR",a.push({input:this.processAccessor(new gn(i.times,h)),output:this.processAccessor(new gn(i.values,d)),interpolation:u}),s.push({sampler:a.length-1,target:{node:n.get(l),path:c}})}return i.animations.push({name:t.name||"clip_"+i.animations.length,samplers:a,channels:s}),i.animations.length-1}processSkin(t){const e=this.json,i=this.nodeMap,n=e.nodes[i.get(t)],r=t.skeleton;if(void 0===r)return null;const s=t.skeleton.bones[0];if(void 0===s)return null;const a=[],o=new Float32Array(16*r.bones.length),l=new gi;for(let e=0;e<r.bones.length;++e)a.push(i.get(r.bones[e])),l.copy(r.boneInverses[e]),l.multiply(t.bindMatrix).toArray(o,16*e);void 0===e.skins&&(e.skins=[]),e.skins.push({inverseBindMatrices:this.processAccessor(new gn(o,16)),joints:a,skeleton:i.get(s)});return n.skin=e.skins.length-1}processNode(t){const e=this.json,i=this.options,n=this.nodeMap;e.nodes||(e.nodes=[]);const r={};if(i.trs){const e=t.quaternion.toArray(),i=t.position.toArray(),n=t.scale.toArray();ZA(e,[0,0,0,1])||(r.rotation=e),ZA(i,[0,0,0])||(r.translation=i),ZA(n,[1,1,1])||(r.scale=n)}else t.matrixAutoUpdate&&t.updateMatrix(),!1===ZA(t.matrix.elements,[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1])&&(r.matrix=t.matrix.elements);if(""!==t.name&&(r.name=String(t.name)),this.serializeUserData(t,r),t.isMesh||t.isLine||t.isPoints){const e=this.processMesh(t);null!==e&&(r.mesh=e)}else t.isCamera&&(r.camera=this.processCamera(t));if(t.isSkinnedMesh&&this.skins.push(t),t.children.length>0){const e=[];for(let n=0,r=t.children.length;n<r;n++){const r=t.children[n];if(r.visible||!1===i.onlyVisible){const t=this.processNode(r);null!==t&&e.push(t)}}e.length>0&&(r.children=e)}this._invokeAll((function(e){e.writeNode&&e.writeNode(t,r)}));const s=e.nodes.push(r)-1;return n.set(t,s),s}processScene(t){const e=this.json,i=this.options;e.scenes||(e.scenes=[],e.scene=0);const n={};""!==t.name&&(n.name=t.name),e.scenes.push(n);const r=[];for(let e=0,n=t.children.length;e<n;e++){const n=t.children[e];if(n.visible||!1===i.onlyVisible){const t=this.processNode(n);null!==t&&r.push(t)}}r.length>0&&(n.nodes=r),this.serializeUserData(t,n)}processObjects(t){const e=new no;e.name="AuxScene";for(let i=0;i<t.length;i++)e.children.push(t[i]);this.processScene(e)}processInput(t){const e=this.options;t=t instanceof Array?t:[t],this._invokeAll((function(e){e.beforeParse&&e.beforeParse(t)}));const i=[];for(let e=0;e<t.length;e++)t[e]instanceof no?this.processScene(t[e]):i.push(t[e]);i.length>0&&this.processObjects(i);for(let t=0;t<this.skins.length;++t)this.processSkin(this.skins[t]);for(let i=0;i<e.animations.length;++i)this.processAnimation(e.animations[i],t[0]);this._invokeAll((function(e){e.afterParse&&e.afterParse(t)}))}_invokeAll(t){for(let e=0,i=this.plugins.length;e<i;e++)t(this.plugins[e])}}class sp{constructor(t){this.writer=t,this.name="KHR_lights_punctual"}writeNode(t,e){if(!t.isLight)return;if(!t.isDirectionalLight&&!t.isPointLight&&!t.isSpotLight)return void console.warn("THREE.GLTFExporter: Only directional, point, and spot lights are supported.",t);const i=this.writer,n=i.json,r=i.extensionsUsed,s={};t.name&&(s.name=t.name),s.color=t.color.toArray(),s.intensity=t.intensity,t.isDirectionalLight?s.type="directional":t.isPointLight?(s.type="point",t.distance>0&&(s.range=t.distance)):t.isSpotLight&&(s.type="spot",t.distance>0&&(s.range=t.distance),s.spot={},s.spot.innerConeAngle=(1-t.penumbra)*t.angle,s.spot.outerConeAngle=t.angle),void 0!==t.decay&&2!==t.decay&&console.warn("THREE.GLTFExporter: Light decay may be lost. glTF is physically-based, and expects light.decay=2."),!t.target||t.target.parent===t&&0===t.target.position.x&&0===t.target.position.y&&-1===t.target.position.z||console.warn("THREE.GLTFExporter: Light direction may be lost. For best results, make light.target a child of the light with position 0,0,-1."),r[this.name]||(n.extensions=n.extensions||{},n.extensions[this.name]={lights:[]},r[this.name]=!0);const a=n.extensions[this.name].lights;a.push(s),e.extensions=e.extensions||{},e.extensions[this.name]={light:a.length-1}}}class ap{constructor(t){this.writer=t,this.name="KHR_materials_unlit"}writeMaterial(t,e){if(!t.isMeshBasicMaterial)return;const i=this.writer.extensionsUsed;e.extensions=e.extensions||{},e.extensions[this.name]={},i[this.name]=!0,e.pbrMetallicRoughness.metallicFactor=0,e.pbrMetallicRoughness.roughnessFactor=.9}}class op{constructor(t){this.writer=t,this.name="KHR_materials_clearcoat"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0===t.clearcoat)return;const i=this.writer,n=i.extensionsUsed,r={};if(r.clearcoatFactor=t.clearcoat,t.clearcoatMap){const e={index:i.processTexture(t.clearcoatMap),texCoord:t.clearcoatMap.channel};i.applyTextureTransform(e,t.clearcoatMap),r.clearcoatTexture=e}if(r.clearcoatRoughnessFactor=t.clearcoatRoughness,t.clearcoatRoughnessMap){const e={index:i.processTexture(t.clearcoatRoughnessMap),texCoord:t.clearcoatRoughnessMap.channel};i.applyTextureTransform(e,t.clearcoatRoughnessMap),r.clearcoatRoughnessTexture=e}if(t.clearcoatNormalMap){const e={index:i.processTexture(t.clearcoatNormalMap),texCoord:t.clearcoatNormalMap.channel};i.applyTextureTransform(e,t.clearcoatNormalMap),r.clearcoatNormalTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,n[this.name]=!0}}class lp{constructor(t){this.writer=t,this.name="KHR_materials_iridescence"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0===t.iridescence)return;const i=this.writer,n=i.extensionsUsed,r={};if(r.iridescenceFactor=t.iridescence,t.iridescenceMap){const e={index:i.processTexture(t.iridescenceMap),texCoord:t.iridescenceMap.channel};i.applyTextureTransform(e,t.iridescenceMap),r.iridescenceTexture=e}if(r.iridescenceIor=t.iridescenceIOR,r.iridescenceThicknessMinimum=t.iridescenceThicknessRange[0],r.iridescenceThicknessMaximum=t.iridescenceThicknessRange[1],t.iridescenceThicknessMap){const e={index:i.processTexture(t.iridescenceThicknessMap),texCoord:t.iridescenceThicknessMap.channel};i.applyTextureTransform(e,t.iridescenceThicknessMap),r.iridescenceThicknessTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,n[this.name]=!0}}class cp{constructor(t){this.writer=t,this.name="KHR_materials_transmission"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0===t.transmission)return;const i=this.writer,n=i.extensionsUsed,r={};if(r.transmissionFactor=t.transmission,t.transmissionMap){const e={index:i.processTexture(t.transmissionMap),texCoord:t.transmissionMap.channel};i.applyTextureTransform(e,t.transmissionMap),r.transmissionTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,n[this.name]=!0}}class hp{constructor(t){this.writer=t,this.name="KHR_materials_volume"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0===t.transmission)return;const i=this.writer,n=i.extensionsUsed,r={};if(r.thicknessFactor=t.thickness,t.thicknessMap){const e={index:i.processTexture(t.thicknessMap),texCoord:t.thicknessMap.channel};i.applyTextureTransform(e,t.thicknessMap),r.thicknessTexture=e}r.attenuationDistance=t.attenuationDistance,r.attenuationColor=t.attenuationColor.toArray(),e.extensions=e.extensions||{},e.extensions[this.name]=r,n[this.name]=!0}}class up{constructor(t){this.writer=t,this.name="KHR_materials_ior"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||1.5===t.ior)return;const i=this.writer.extensionsUsed,n={};n.ior=t.ior,e.extensions=e.extensions||{},e.extensions[this.name]=n,i[this.name]=!0}}class dp{constructor(t){this.writer=t,this.name="KHR_materials_specular"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||1===t.specularIntensity&&t.specularColor.equals($A)&&!t.specularIntensityMap&&!t.specularColorMap)return;const i=this.writer,n=i.extensionsUsed,r={};if(t.specularIntensityMap){const e={index:i.processTexture(t.specularIntensityMap),texCoord:t.specularIntensityMap.channel};i.applyTextureTransform(e,t.specularIntensityMap),r.specularTexture=e}if(t.specularColorMap){const e={index:i.processTexture(t.specularColorMap),texCoord:t.specularColorMap.channel};i.applyTextureTransform(e,t.specularColorMap),r.specularColorTexture=e}r.specularFactor=t.specularIntensity,r.specularColorFactor=t.specularColor.toArray(),e.extensions=e.extensions||{},e.extensions[this.name]=r,n[this.name]=!0}}class Ap{constructor(t){this.writer=t,this.name="KHR_materials_sheen"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0==t.sheen)return;const i=this.writer,n=i.extensionsUsed,r={};if(t.sheenRoughnessMap){const e={index:i.processTexture(t.sheenRoughnessMap),texCoord:t.sheenRoughnessMap.channel};i.applyTextureTransform(e,t.sheenRoughnessMap),r.sheenRoughnessTexture=e}if(t.sheenColorMap){const e={index:i.processTexture(t.sheenColorMap),texCoord:t.sheenColorMap.channel};i.applyTextureTransform(e,t.sheenColorMap),r.sheenColorTexture=e}r.sheenRoughnessFactor=t.sheenRoughness,r.sheenColorFactor=t.sheenColor.toArray(),e.extensions=e.extensions||{},e.extensions[this.name]=r,n[this.name]=!0}}class pp{constructor(t){this.writer=t,this.name="KHR_materials_anisotropy"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0==t.anisotropy)return;const i=this.writer,n=i.extensionsUsed,r={};if(t.anisotropyMap){const e={index:i.processTexture(t.anisotropyMap)};i.applyTextureTransform(e,t.anisotropyMap),r.anisotropyTexture=e}r.anisotropyStrength=t.anisotropy,r.anisotropyRotation=t.anisotropyRotation,e.extensions=e.extensions||{},e.extensions[this.name]=r,n[this.name]=!0}}class mp{constructor(t){this.writer=t,this.name="KHR_materials_emissive_strength"}writeMaterial(t,e){if(!t.isMeshStandardMaterial||1===t.emissiveIntensity)return;const i=this.writer.extensionsUsed,n={};n.emissiveStrength=t.emissiveIntensity,e.extensions=e.extensions||{},e.extensions[this.name]=n,i[this.name]=!0}}class gp{constructor(t){this.writer=t,this.name="EXT_materials_bump"}writeMaterial(t,e){if(!t.isMeshStandardMaterial||1===t.bumpScale&&!t.bumpMap)return;const i=this.writer,n=i.extensionsUsed,r={};if(t.bumpMap){const e={index:i.processTexture(t.bumpMap),texCoord:t.bumpMap.channel};i.applyTextureTransform(e,t.bumpMap),r.bumpTexture=e}r.bumpFactor=t.bumpScale,e.extensions=e.extensions||{},e.extensions[this.name]=r,n[this.name]=!0}}class fp{constructor(t){this.writer=t,this.name="EXT_mesh_gpu_instancing"}writeNode(t,e){if(!t.isInstancedMesh)return;const i=this.writer,n=t,r=new Float32Array(3*n.count),s=new Float32Array(4*n.count),a=new Float32Array(3*n.count),o=new gi,l=new ke,c=new Oe,h=new ke;for(let t=0;t<n.count;t++)n.getMatrixAt(t,o),o.decompose(l,c,h),l.toArray(r,3*t),c.toArray(s,4*t),h.toArray(a,3*t);const u={TRANSLATION:i.processAccessor(new gn(r,3)),ROTATION:i.processAccessor(new gn(s,4)),SCALE:i.processAccessor(new gn(a,3))};n.instanceColor&&(u._COLOR_0=i.processAccessor(n.instanceColor)),e.extensions=e.extensions||{},e.extensions[this.name]={attributes:u},i.extensionsUsed[this.name]=!0,i.extensionsRequired[this.name]=!0}}IA.Utils={insertKeyframe:function(t,e){const i=.001,n=t.getValueSize(),r=new t.TimeBufferType(t.times.length+1),s=new t.ValueBufferType(t.values.length+n),a=t.createInterpolant(new t.ValueBufferType(n));let o;if(0===t.times.length){r[0]=e;for(let t=0;t<n;t++)s[t]=0;o=0}else if(e<t.times[0]){if(Math.abs(t.times[0]-e)<i)return 0;r[0]=e,r.set(t.times,1),s.set(a.evaluate(e),0),s.set(t.values,n),o=0}else if(e>t.times[t.times.length-1]){if(Math.abs(t.times[t.times.length-1]-e)<i)return t.times.length-1;r[r.length-1]=e,r.set(t.times,0),s.set(t.values,0),s.set(a.evaluate(e),t.values.length),o=r.length-1}else for(let l=0;l<t.times.length;l++){if(Math.abs(t.times[l]-e)<i)return l;if(t.times[l]<e&&t.times[l+1]>e){r.set(t.times.slice(0,l+1),0),r[l+1]=e,r.set(t.times.slice(l+1),l+2),s.set(t.values.slice(0,(l+1)*n),0),s.set(a.evaluate(e),(l+1)*n),s.set(t.values.slice((l+1)*n),(l+2)*n),o=l+1;break}}return t.times=r,t.values=s,o},mergeMorphTargetTracks:function(t,e){const i=[],n={},r=t.tracks;for(let t=0;t<r.length;++t){let s=r[t];const a=nc.parseTrackName(s.name),o=nc.findNode(e,a.nodeName);if("morphTargetInfluences"!==a.propertyName||void 0===a.propertyIndex){i.push(s);continue}if(s.createInterpolant!==s.InterpolantFactoryMethodDiscrete&&s.createInterpolant!==s.InterpolantFactoryMethodLinear){if(s.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline)throw new Error("THREE.GLTFExporter: Cannot merge tracks with glTF CUBICSPLINE interpolation.");console.warn("THREE.GLTFExporter: Morph target interpolation mode not yet supported. Using LINEAR instead."),s=s.clone(),s.setInterpolation(Mt)}const l=o.morphTargetInfluences.length,c=o.morphTargetDictionary[a.propertyIndex];if(void 0===c)throw new Error("THREE.GLTFExporter: Morph target name not found: "+a.propertyIndex);let h;if(void 0===n[o.uuid]){h=s.clone();const t=new h.ValueBufferType(l*h.times.length);for(let e=0;e<h.times.length;e++)t[e*l+c]=h.values[e];h.name=(a.nodeName||"")+".morphTargetInfluences",h.values=t,n[o.uuid]=h,i.push(h);continue}const u=s.createInterpolant(new s.ValueBufferType(1));h=n[o.uuid];for(let t=0;t<h.times.length;t++)h.values[t*l+c]=u.evaluate(h.times[t]);for(let t=0;t<s.times.length;t++){const e=this.insertKeyframe(h,s.times[t]);h.values[e*l+c]=s.values[t]}}return t.tracks=i,t}};
571/* @license
572 * Copyright 2021 Google LLC. All Rights Reserved.
573 * Licensed under the Apache License, Version 2.0 (the 'License');

574 * you may not use this file except in compliance with the License.
575 * You may obtain a copy of the License at
576 *
577 *     http://www.apache.org/licenses/LICENSE-2.0
578 *
579 * Unless required by applicable law or agreed to in writing, software
580 * distributed under the License is distributed on an 'AS IS' BASIS,
581 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
582 * See the License for the specific language governing permissions and
583 * limitations under the License.
584 */
585const vp=t=>void 0!==t.material&&t.userData&&t.userData.variantMaterials&&!!Array.from(t.userData.variantMaterials.values()).filter((t=>_p(t.material))),_p=t=>t&&t.isMaterial&&!Array.isArray(t);class yp{constructor(t){this.writer=t,this.name="KHR_materials_variants",this.variantNames=[]}beforeParse(t){const e=new Set;for(const i of t)i.traverse((t=>{if(!vp(t))return;const i=t.userData.variantMaterials,n=t.userData.variantData;for(const[t,r]of n){const n=i.get(r.index);n&&_p(n.material)&&e.add(t)}}));e.forEach((t=>this.variantNames.push(t)))}writeMesh(t,e){if(!vp(t))return;const i=t.userData,n=i.variantMaterials,r=i.variantData,s=new Map,a=new Map,o=Array.from(r.values()).sort(((t,e)=>t.index-e.index));for(const[t,e]of o.entries())a.set(e.index,t);for(const t of r.values()){const e=n.get(t.index);if(!e||!_p(e.material))continue;const i=this.writer.processMaterial(e.material);s.has(i)||s.set(i,{material:i,variants:[]}),s.get(i).variants.push(a.get(t.index))}const l=Array.from(s.values()).map((t=>t.variants.sort(((t,e)=>t-e))&&t)).sort(((t,e)=>t.material-e.material));if(0===l.length)return;const c=_p(i.originalMaterial)?this.writer.processMaterial(i.originalMaterial):-1;for(const t of e.primitives)c>=0&&(t.material=c),t.extensions=t.extensions||{},t.extensions[this.name]={mappings:l}}afterParse(){if(0===this.variantNames.length)return;const t=this.writer.json;t.extensions=t.extensions||{};const e=this.variantNames.map((t=>({name:t})));t.extensions[this.name]={variants:e},this.writer.extensionsUsed[this.name]=!0}}class Ep{constructor(t,e,i,n,r){this.xrLight=t,this.renderer=e,this.lightProbe=i,this.xrWebGLBinding=null,this.estimationStartCallback=r,this.frameCallback=this.onXRFrame.bind(this);const s=e.xr.getSession();if(n&&"XRWebGLBinding"in window){const i=new or(16);t.environment=i.texture;const n=e.getContext();switch(s.preferredReflectionFormat){case"srgba8":n.getExtension("EXT_sRGB");break;case"rgba16f":n.getExtension("OES_texture_half_float")}this.xrWebGLBinding=new XRWebGLBinding(s,n),this.lightProbe.addEventListener("reflectionchange",(()=>{this.updateReflection()}))}s.requestAnimationFrame(this.frameCallback)}updateReflection(){const t=this.renderer.properties.get(this.xrLight.environment);if(t){const e=this.xrWebGLBinding.getReflectionCubeMap(this.lightProbe);e&&(t.__webglTexture=e,this.xrLight.environment.needsPMREMUpdate=!0)}}onXRFrame(t,e){if(!this.xrLight)return;e.session.requestAnimationFrame(this.frameCallback);const i=e.getLightEstimate(this.lightProbe);if(i){this.xrLight.lightProbe.sh.fromArray(i.sphericalHarmonicsCoefficients),this.xrLight.lightProbe.intensity=1;const t=Math.max(1,Math.max(i.primaryLightIntensity.x,Math.max(i.primaryLightIntensity.y,i.primaryLightIntensity.z)));this.xrLight.directionalLight.color.setRGB(i.primaryLightIntensity.x/t,i.primaryLightIntensity.y/t,i.primaryLightIntensity.z/t),this.xrLight.directionalLight.intensity=t,this.xrLight.directionalLight.position.copy(i.primaryLightDirection),this.estimationStartCallback&&(this.estimationStartCallback(),this.estimationStartCallback=null)}}dispose(){this.xrLight=null,this.renderer=null,this.lightProbe=null,this.xrWebGLBinding=null}}class xp extends Xa{constructor(t,e=!0){super(),this.lightProbe=new Xl,this.lightProbe.intensity=0,this.add(this.lightProbe),this.directionalLight=new Wl,this.directionalLight.intensity=0,this.add(this.directionalLight),this.environment=null;let i=null,n=!1;t.xr.addEventListener("sessionstart",(()=>{const r=t.xr.getSession();"requestLightProbe"in r&&r.requestLightProbe({reflectionFormat:r.preferredReflectionFormat}).then((r=>{i=new Ep(this,t,r,e,(()=>{n=!0,this.dispatchEvent({type:"estimationstart"})}))}))})),t.xr.addEventListener("sessionend",(()=>

585{i&&(i.dispose(),i=null),n&&this.dispatchEvent({type:"estimationend"})})),this.dispose=()=>{i&&(i.dispose(),i=null),this.remove(this.lightProbe),this.lightProbe=null,this.remove(this.directionalLight),this.directionalLight=null,this.environment=null}}}
586/* @license
587 * Copyright 2020 Google LLC. All Rights Reserved.
588 * Licensed under the Apache License, Version 2.0 (the 'License');
589 * you may not use this file except in compliance with the License.
590 * You may obtain a copy of the License at
591 *
592 *     http://www.apache.org/licenses/LICENSE-2.0
593 *
594 * Unless required by applicable law or agreed to in writing, software
595 * distributed under the License is distributed on an 'AS IS' BASIS,
596 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
597 * See the License for the specific language governing permissions and
598 * limitations under the License.
599 */class Sp{constructor(t=50){this.velocity=0,this.naturalFrequency=0,this.setDecayTime(t)}setDecayTime(t){this.naturalFrequency=1/Math.max(.001,t)}update(t,e,i,n){const r=2e-4*this.naturalFrequency;if(null==t||0===n)return e;if(t===e&&0===this.velocity)return e;if(i<0)return t;const s=t-e,a=this.velocity+this.naturalFrequency*s,o=s+i*a,l=Math.exp(-this.naturalFrequency*i),c=(a-this.naturalFrequency*o)*l,h=-this.naturalFrequency*(c+a*l);return Math.abs(c)<r*Math.abs(n)&&h*s>=0?(this.velocity=0,e):(this.velocity=c,e+o*l)}}
600/* @license
601 * Copyright 2020 Google LLC. All Rights Reserved.
602 * Licensed under the Apache License, Version 2.0 (the 'License');
603 * you may not use this file except in compliance with the License.
604 * You may obtain a copy of the License at
605 *
606 *     http://www.apache.org/licenses/LICENSE-2.0
607 *
608 * Unless required by applicable law or agreed to in writing, software
609 * distributed under the License is distributed on an 'AS IS' BASIS,
610 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
611 * See the License for the specific language governing permissions and
612 * limitations under the License.
613 */const Cp=.2,Ip=Math.PI/24,Mp=new de,wp=(t,e,i)=>{let n=e>0?i>0?0:-Math.PI/2:i>0?Math.PI/2:Math.PI;for(let r=0;r<=12;++r)t.push(e+.17*Math.cos(n),i+.17*Math.sin(n),0,e+Cp*Math.cos(n),i+Cp*Math.sin(n),0),n+=Ip};class bp extends Wn{constructor(t,e){const i=new wn,n=[],r=[],{size:s,boundingBox:a}=t,o=s.x/2,l=("back"===e?s.y:s.z)/2;wp(r,o,l),wp(r,-o,l),wp(r,-o,-l),wp(r,o,-l);const h=r.length/3;for(let t=0;t<h-2;t+=2)n.push(t,t+1,t+3,t,t+3,t+2);const u=h-2;n.push(u,u+1,1,u,1,0),i.setAttribute("position",new _n(r,3)),i.setIndex(n),super(i),this.side=e;const d=this.material;switch(d.side=c,d.transparent=!0,d.opacity=0,this.goalOpacity=0,this.opacityDamper=new Sp,this.hitPlane=new Wn(new fr(2*(o+Cp),2*(l+Cp))),this.hitPlane.visible=!1,this.hitPlane.material.side=c,this.add(this.hitPlane),a.getCenter(this.position),e){case"bottom":this.rotateX(-Math.PI/2),this.shadowHeight=a.min.y,this.position.y=this.shadowHeight;break;case"back":this.shadowHeight=a.min.z,this.position.z=this.shadowHeight}t.target.add(this),this.offsetHeight=0}getHit(t,e,i){Mp.set(e,-i),this.hitPlane.visible=!0;const n=t.positionAndNormalFromPoint(Mp,this.hitPlane);return this.hitPlane.visible=!1,null==n?null:n.position}getExpandedHit(t,e,i){this.hitPlane.scale.set(1e3,1e3,1e3),this.hitPlane.updateMatrixWorld();const n=this.getHit(t,e,i);return this.hitPlane.scale.set(1,1,1),n}set offsetHeight(t){t-=.001,"back"===this.side?this.position.z=this.shadowHeight+t:this.position.y=this.shadowHeight+t}get offsetHeight(){return"back"===this.side?this.position.z-this.shadowHeight:this.position.y-this.shadowHeight}set show(t){this.goalOpacity=t?.75:0}updateOpacity(t){const e=this.material;e.opacity=this.opacityDamper.update(e.opacity,this.goalOpacity,t,1),this.visible=e.opacity>0}dispose(){var t;const{geometry:e,material:i}=this.hitPlane;e.dispose(),i.dispose(),this.geometry.dispose(),this.material.dispose(),null===(t=this.parent)||void 0===t||t.remove(this)}}
614/* @license
615 * Copyright 2019 Google LLC. All Rights Reserved.
616 * Licensed under the Apache License, Version 2.0 (the 'License');

617 * you may not use this file except in compliance with the License.
618 * You may obtain a copy of the License at
619 *
620 *     http://www.apache.org/licenses/LICENSE-2.0
621 *
622 * Unless required by applicable law or agreed to in writing, software
623 * distributed under the License is distributed on an 'AS IS' BASIS,
624 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
625 * See the License for the specific language governing permissions and
626 * limitations under the License.
627 */const Tp=(t,e)=>({type:"number",number:t,unit:e}),Bp=(()=>{const t={};return e=>{const i=e;if(i in t)return t[i];const n=[];let r=0;for(;e;){if(++r>1e3){e="";break}const t=Rp(e),i=t.nodes[0];if(null==i||0===i.terms.length)break;n.push(i),e=t.remainingInput}return t[i]=n}})(),Rp=(()=>{const t=/^(\-\-|[a-z\u0240-\uffff])/i,e=/^([\*\+\/]|[\-]\s)/i,i=/^[\),]/;return n=>{const r=[];for(;n.length&&(n=n.trim(),!i.test(n));)if("("===n[0]){const{nodes:t,remainingInput:e}=Pp(n);n=e,r.push({type:"function",name:{type:"ident",value:"calc"},arguments:t})}else if(t.test(n)){const t=Dp(n),e=t.nodes[0];if("("===(n=t.remainingInput)[0]){const{nodes:t,remainingInput:i}=Pp(n);r.push({type:"function",name:e,arguments:t}),n=i}else r.push(e)}else if(e.test(n))r.push({type:"operator",value:n[0]}),n=n.slice(1);else{const{nodes:t,remainingInput:e}="#"===n[0]?Up(n):Lp(n);if(0===t.length)break;r.push(t[0]),n=e}return{nodes:[{type:"expression",terms:r}],remainingInput:n}}})(),Dp=(()=>{const t=/[^a-z0-9_\-\u0240-\uffff]/i;return e=>{const i=e.match(t);return{nodes:[{type:"ident",value:null==i?e:e.substr(0,i.index)}],remainingInput:null==i?"":e.substr(i.index)}}})(),Lp=(()=>{const t=/[\+\-]?(\d+[\.]\d+|\d+|[\.]\d+)([eE][\+\-]?\d+)?/,e=/^[a-z%]+/i,i=/^(m|mm|cm|rad|deg|[%])$/;return n=>{const r=n.match(t),s=null==r?"0":r[0],a=(n=null==s?n:n.slice(s.length)).match(e);let o=null!=a&&""!==a[0]?a[0]:null;const l=null==a?n:n.slice(o.length);return null==o||i.test(o)||(o=null),{nodes:[{type:"number",number:parseFloat(s)||0,unit:o}],remainingInput:l}}})(),Up=(()=>{const t=/^[a-f0-9]*/i;return e=>{const i=(e=e.slice(1).trim()).match(t);return{nodes:null==i?[]:[{type:"hex",value:i[0]}],remainingInput:null==i?e:e.slice(i[0].length)}}})(),Pp=t=>{const e=[];for(t=t.slice(1).trim();t.length;){const i=Rp(t);if(e.push(i.nodes[0]),","===(t=i.remainingInput.trim())[0])t=t.slice(1).trim();else if(")"===t[0]){t=t.slice(1);break}}return{nodes:e,remainingInput:t}},Np=Symbol("visitedTypes");class Fp{constructor(t){this[Np]=t}walk(t,e){const i=t.slice();for(;i.length;){const t=i.shift();switch(this[Np].indexOf(t.type)>-1&&e(t),t.type){case"expression":i.unshift(...t.terms);break;case"function":i.unshift(t.name,...t.arguments)}}}}const Qp=Object.freeze({type:"number",number:0,unit:null}),Op=(t,e=0)=>{let{number:i,unit:n}=t;if(isFinite(i)){if("rad"===t.unit||null==t.unit)return t}else i=e,n="rad";return{type:"number",number:("deg"===n&&null!=i?i:0)*Math.PI/180,unit:"rad"}},kp=(t,e=0)=>{let i,{number:n,unit:r}=t;if(isFinite(n)){if("m"===t.unit)return t}else n=e,r="m";switch(r){default:i=1;break;case"cm":i=.01;break;case"mm":i=.001}return{type:"number",number:i*n,unit:"m"}},Gp=(()=>{const t=t=>t,e={rad:t,deg:Op,m:t,mm:kp,cm:kp};return(t,i=Qp)=>{isFinite(t.number)||(t.number=i.number,t.unit=i.unit);const{unit:n}=t;if(null==n)return t;const r=e[n];return null==r?i:r(t)}})();
628/* @license
629 * Copyright 2019 Google LLC. All Rights Reserved.
630 * Licensed under the Apache License, Version 2.0 (the 'License');
631 * you may not use this file except in compliance with the License.
632 * You may obtain a copy of the License at
633 *
634 *     http://www.apache.org/licenses/LICENSE-2.0
635 *
636 * Unless required by applicable law or agreed to in writing, software
637 * distributed under the License is distributed on an 'AS IS' BASIS,
638 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
639 * See the License for the specific language governing permissions and
640 * limitations under the License.
641 */
642/* @license
643 * Copyright 2019 Google LLC. All Rights Reserved.
644 * Licensed under the Apache License, Version 2.0 (the 'License');

645 * you may not use this file except in compliance with the License.
646 * You may obtain a copy of the License at
647 *
648 *     http://www.apache.org/licenses/LICENSE-2.0
649 *
650 * Unless required by applicable law or agreed to in writing, software
651 * distributed under the License is distributed on an 'AS IS' BASIS,
652 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
653 * See the License for the specific language governing permissions and
654 * limitations under the License.
655 */
656var Hp,zp,Vp;const Wp=Symbol("evaluate"),qp=Symbol("lastValue");class Xp{constructor(){this[Hp]=null}static evaluatableFor(t,e=Qp){if(t instanceof Xp)return t;if("number"===t.type)return"%"===t.unit?new Kp(t,e):t;switch(t.name.value){case"calc":return new em(t,e);case"env":return new $p(t)}return Qp}static evaluate(t){return t instanceof Xp?t.evaluate():t}static isConstant(t){return!(t instanceof Xp)||t.isConstant}static applyIntrinsics(t,e){const{basis:i,keywords:n}=e,{auto:r}=n;return i.map(((e,i)=>{const s=null==r[i]?e:r[i];let a=t[i]?t[i]:s;if("ident"===a.type){const t=a.value;t in n&&(a=n[t][i])}return null!=a&&"ident"!==a.type||(a=s),"%"===a.unit?Tp(a.number/100*e.number,e.unit):(a=Gp(a,e),a.unit!==e.unit?e:a)}))}get isConstant(){return!1}evaluate(){return this.isConstant&&null!=this[qp]||(this[qp]=this[Wp]()),this[qp]}}Hp=qp;const jp=Symbol("percentage"),Yp=Symbol("basis");class Kp extends Xp{constructor(t,e){super(),this[jp]=t,this[Yp]=e}get isConstant(){return!0}[Wp](){return Tp(this[jp].number/100*this[Yp].number,this[Yp].unit)}}const Jp=Symbol("identNode");class $p extends Xp{constructor(t){super(),this[zp]=null;const e=t.arguments.length?t.arguments[0].terms[0]:null;null!=e&&"ident"===e.type&&(this[Jp]=e)}get isConstant(){return!1}[(zp=Jp,Wp)](){if(null!=this[Jp]&&"window-scroll-y"===this[Jp].value){return{type:"number",number:window.pageYOffset/(Math.max(document.body.scrollHeight,document.body.offsetHeight,document.documentElement.clientHeight,document.documentElement.scrollHeight,document.documentElement.offsetHeight)-window.innerHeight)||0,unit:null}}return Qp}}const Zp=/[\*\/]/,tm=Symbol("evaluator");class em extends Xp{constructor(t,e=Qp){if(super(),this[Vp]=null,1!==t.arguments.length)return;const i=t.arguments[0].terms.slice(),n=[];for(;i.length;){const t=i.shift();if(n.length>0){const i=n[n.length-1];if("operator"===i.type&&Zp.test(i.value)){const i=n.pop(),r=n.pop();if(null==r)return;n.push(new sm(i,Xp.evaluatableFor(r,e),Xp.evaluatableFor(t,e)));continue}}n.push("operator"===t.type?t:Xp.evaluatableFor(t,e))}for(;n.length>2;){const[t,i,r]=n.splice(0,3);if("operator"!==i.type)return;n.unshift(new sm(i,Xp.evaluatableFor(t,e),Xp.evaluatableFor(r,e)))}1===n.length&&(this[tm]=n[0])}get isConstant(){return null==this[tm]||Xp.isConstant(this[tm])}[(Vp=tm,Wp)](){return null!=this[tm]?Xp.evaluate(this[tm]):Qp}}const im=Symbol("operator"),nm=Symbol("left"),rm=Symbol("right");class sm extends Xp{constructor(t,e,i){super(),this[im]=t,this[nm]=e,this[rm]=i}get isConstant(){return Xp.isConstant(this[nm])&&Xp.isConstant(this[rm])}[Wp](){const t=Gp(Xp.evaluate(this[nm])),e=Gp(Xp.evaluate(this[rm])),{number:i,unit:n}=t,{number:r,unit:s}=e;if(null!=s&&null!=n&&s!=n)return Qp;const a=n||s;let o;switch(this[im].value){case"+":o=i+r;break;case"-":o=i-r;break;case"/":o=i/r;break;case"*":o=i*r;break;default:return Qp}return{type:"number",number:o,unit:a}}}const am=Symbol("evaluatables"),om=Symbol("intrinsics");class lm extends Xp{constructor(t,e){super(),this[om]=e;const i=t[0],n=null!=i?i.terms:[];this[am]=e.basis.map(((t,e)=>{const i=n[e];return null==i?{type:"ident",value:"auto"}:"ident"===i.type?i:Xp.evaluatableFor(i,t)}))}get isConstant(){for(const t of this[am])if(!Xp.isConstant(t))return!1;return!0}[Wp](){const t=this[am].map((t=>Xp.evaluate(t)));return Xp.applyIntrinsics(t,this[om]).map((t=>t.number))}}
657/* @license
658 * Copyright 2019 Google LLC. All Rights Reserved.
659 * Licensed under the Apache License, Version 2.0 (the 'License');
660 * you may not use this file except in compliance with the License.
661 * You may obtain a copy of the License at
662 *
663 *     http://www.apache.org/licenses/LICENSE-2.0
664 *
665 * Unless required by applicable law or agreed to in writing, software
666 * distributed under the License is distributed on an 'AS IS' BASIS,
667 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
668 * See the License for the specific language governing permissions and
669 * limitations under the License.
670 */var cm,hm,um,dm;const Am=Symbol("instances"),pm=Symbol("activateListener"),mm=Symbol("deactivateListener"),gm=Symbol("notifyInstances"),fm=Symbol("notify"),vm=Symbol("callback");class _m{constructor(t){this[vm]=t}static[gm](){for(const t of _m[Am])t[fm]()}static[(cm=Am,pm)](){window.addEventListener("scroll",this[gm],{passive:!0})}static[mm](){window.removeEventListener("scroll",this[gm])}observe(){0===_m[Am].size&&_m[pm](),_m[Am].add(this)}disconnect(){_m[Am].delete(this),0===_m[Am].size&&_m[mm]()}[fm](){this[vm]()}}_m[cm]=new Set;const ym=Symbol("computeStyleCallback"),Em=Symbol("astWalker"),xm=Symbol("dependencies"),Sm=Symbol("onScroll");class Cm{constructor(t){this[hm]={},this[um]=new Fp(["function"]),this[dm]=()=>{this[ym]({relatedState:"window-scroll"})},this[ym]=t}observeEffectsFor(t){const e={},i=this[xm];this[Em].walk(t,(t=>{const{name:n}=t,r=t.arguments[0].terms[0];if("env"===n.value&&null!=r&&"ident"===r.type&&"window-scroll-y"===r.value)if(null==e["window-scroll"]){const t="window-scroll"in i?i["window-scroll"]:new _m(this[Sm]);t.observe(),delete i["window-scroll"],e["window-scroll"]=t}}));for(const t in i){i[t].disconnect()}this[xm]=e}dispose(){for(const t in this[xm]){this[xm][t].disconnect()}}}hm=xm,um=Em,dm=Sm;
671/* @license
672 * Copyright 2019 Google LLC. All Rights Reserved.
673 * Licensed under the Apache License, Version 2.0 (the 'License');
674 * you may not use this file except in compliance with the License.
675 * You may obtain a copy of the License at
676 *
677 *     http://www.apache.org/licenses/LICENSE-2.0
678 *
679 * Unless required by applicable law or agreed to in writing, software
680 * distributed under the License is distributed on an 'AS IS' BASIS,
681 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
682 * See the License for the specific language governing permissions and
683 * limitations under the License.
684 */
685const Im=t=>{const e=t.observeEffects||!1,i=t.intrinsics instanceof Function?t.intrinsics:()=>t.intrinsics;return(n,r)=>{const s=n.updated,a=n.connectedCallback,o=n.disconnectedCallback,l=Symbol(`${r}StyleEffector`),c=Symbol(`${r}StyleEvaluator`),h=Symbol(`${r}UpdateEvaluator`),u=Symbol(`${r}EvaluateAndSync`);Object.defineProperties(n,{[l]:{value:null,writable:!0},[c]:{value:null,writable:!0},[h]:{value:function(){const t=Bp(this[r]);this[c]=new lm(t,i(this)),null==this[l]&&e&&(this[l]=new Cm((()=>this[u]()))),null!=this[l]&&this[l].observeEffectsFor(t)}},[u]:{value:function(){if(null==this[c])return;const e=this[c].evaluate();this[t.updateHandler](e)}},updated:{value:function(t){t.has(r)&&(this[h](),this[u]()),s.call(this,t)}},connectedCallback:{value:function(){a.call(this),this.requestUpdate(r,this[r])}},disconnectedCallback:{value:function(){o.call(this),null!=this[l]&&(this[l].dispose(),this[l]=null)}}})}},Mm=t=>t<.5?2*t*t:(4-2*t)*t-1,wm=(t,e,i=Mm)=>n=>t+(e-t)*i(n),bm=t=>{const e=[],i=[];let n=t.initialValue;for(let r=0;r<t.keyframes.length;++r){const s=t.keyframes[r],{value:a,frames:o}=s,l=s.ease||Mm,c=wm(n,a,l);e.push(c),i.push(o),n=a}return((t,e)=>{const i=e.map((n=0,t=>n+=t));var n;return e=>{e=Yh(e,0,1),e*=i[i.length-1];const n=i.findIndex((t=>t>=e)),r=n<1?0:i[n-1],s=i[n];return t[n]((e-r)/(s-r))}})(e,i)};
686/* @license
687 * Copyright 2019 Google LLC. All Rights Reserved.
688 * Licensed under the Apache License, Version 2.0 (the 'License');
689 * you may not use this file except in compliance with the License.
690 * You may obtain a copy of the License at
691 *
692 *     http://www.apache.org/licenses/LICENSE-2.0
693 *
694 * Unless required by applicable law or agreed to in writing, software
695 * distributed under the License is distributed on an 'AS IS' BASIS,
696 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
697 * See the License for the specific language governing permissions and
698 * limitations under the License.
699 */
700/* @license
701 * Copyright 2019 Google LLC. All Rights Reserved.
702 * Licensed under the Apache License, Version 2.0 (the 'License');
703 * you may not use this file except in compliance with the License.
704 * You may obtain a copy of the License at
705 *
706 *     http://www.apache.org/licenses/LICENSE-2.0
707 *
708 * Unless required by applicable law or agreed to in writing, software
709 * distributed under the License is distributed on an 'AS IS' BASIS,
710 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
711 * See the License for the specific language governing permissions and
712 * limitations under the License.
713 */
714var Tm=function(t,e,i,n){for(var r,s=arguments.length,a=s<3?e:null===n?n=Object.getOwnPropertyDescriptor(e,i):n,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,i,a):r(e,i))||a);return s>3&&a&&Object.defineProperty(e,i,a),a};const Bm=bm({initialValue:0,keyframes:[{frames:5,value:-1},{frames:1,value:-1},{frames:8,value:1},{frames:1,value:1},{frames:5,value:0},{frames:18,value:0}]}),Rm=bm({initialValue:0,keyframes:[{frames:1,value:1},{frames:5,value:1},{frames:1,value:0},{frames:6,value:0}]}),Dm="0deg 75deg 105%",Lm=["front","right","back","left"],Um=["upper-","","lower-"],Pm="auto",Nm="basic",Fm="wiggle",Qm="none",Om=()=>({basis:[Op(Tp(30,"deg"))],keywords:{auto:[null]}}),km=()=>({basis:[Op(Tp(12,"deg"))],keywords:{auto:[null]}}),Gm=(()=>{const t=Bp(Dm)[0].terms,e=Gp(t[0]),i=Gp(t[1]);return t=>{const n=t[xy].idealCameraDistance();return{basis:[e,i,Tp(n,"m")],keywords:{auto:[null,null,Tp(105,"%")]}}}})(),Hm=t=>{const e=2.2*t[xy].boundingSphere.radius;return{basis:[Tp(-1/0,"rad"),Tp(Math.PI/8,"rad"),Tp(e,"m")],keywords:{auto:[null,null,null]}}},zm=t=>{const e=Gm(t),i=new lm([],e).evaluate()[2];return{basis:[Tp(1/0,"rad"),Tp(Math.PI-Math.PI/8,"rad"),Tp(i,"m")],keywords:{auto:[null,null,null]}}},Vm=t=>{const e=t[xy].boundingBox.getCenter(new ke);return{basis:[Tp(e.x,"m"),Tp(e.y,"m"),Tp(e.z,"m")],keywords:{auto:[null,null,null]}}},Wm=Math.PI/2,qm=Math.PI/3,Xm=Wm/2,jm=2*Math.PI,Ym=Symbol("controls"),Km=Symbol("panElement"),Jm=Symbol("promptElement"),$m=Symbol("promptAnimatedContainer"),Zm=Symbol("fingerAnimatedContainers"),tg=Symbol("deferInteractionPrompt"),eg=Symbol("updateAria"),ig=Symbol("a11y"),ng=Symbol("updateA11y"),rg=Symbol("updateCameraForRadius"),sg=Symbol("cancelPrompts"),ag=Symbol("onChange"),og=Symbol("onPointerChange"),lg=Symbol("waitingToPromptUser"),cg=Symbol("userHasInteracted"),hg=Symbol("promptElementVisibleTime"),ug=Symbol("lastPromptOffset"),dg=Symbol("cancellationSource"),Ag=Symbol("lastSpherical"),pg=Symbol("jumpCamera"),mg=Symbol("initialized"),gg=Symbol("maintainThetaPhi"),fg=Symbol("syncCameraOrbit"),vg=Symbol("syncFieldOfView"),_g=Symbol("syncCameraTarget"),yg=Symbol("syncMinCameraOrbit"),Eg=Symbol("syncMaxCameraOrbit"),xg=Symbol("syncMinFieldOfView"),Sg=Symbol("syncMaxFieldOfView"),Cg=new de,Ig=new ke,Mg=Object.freeze({minimumRadius:0,maximumRadius:1/0,minimumPolarAngle:Math.PI/8,maximumPolarAngle:Math.PI-Math.PI/8,minimumAzimuthalAngle:-1/0,maximumAzimuthalAngle:1/0,minimumFieldOfView:10,maximumFieldOfView:45,touchAction:"none"}),wg=Math.PI/8,bg=.04,Tg={USER_INTERACTION:"user-interaction",NONE:"none",AUTOMATIC:"automatic"};class Bg extends te{constructor(t,e,i){super(),this.camera=t,this.element=e,this.scene=i,this.orbitSensitivity=1,this.zoomSensitivity=1,this.panSensitivity=1,this.inputSensitivity=1,this.changeSource=Tg.NONE,this._interactionEnabled=!1,this._disableZoom=!1,this.isUserPointing=!1,this.enablePan=!0,this.enableTap=!0,this.panProjection=new Ae,this.panPerPixel=0,this.spherical=new uc,this.goalSpherical=new uc,this.thetaDamper=new Sp,this.phiDamper=new Sp,this.radiusDamper=new Sp,this.logFov=Math.log(Mg.maximumFieldOfView),this.goalLogFov=this.logFov,this.fovDamper=new Sp,this.touchMode=null,this.pointers=[],this.startTime=0,this.startPointerPosition={clientX:0,clientY:0},this.lastSeparation=0,this.touchDecided=!1,this.onContext=t=>{if(this.enablePan)t.preventDefault();else for(const t of this.pointers)this.onPointerUp(new PointerEvent("pointercancel",Object.assign(Object.assign({},this.startPointerPosition),{pointerId:t.id})))},this.touchModeZoom=(t,e)=>{if(!this._disableZoom){const t=this.twoTouchDistance(this.pointers[0],this.pointers[1]),e=bg*this.zoomSensitivity*(this.lastSeparation-t)*50/this.scene.height;this.lastSeparation=t,this.userAdjustOrbit(0,0,e)}this.panPerPixel>0&&this.movePan(t,e)},this.disableScroll=t=>{t.preventDefault()},this.touchModeRotate=(t,e)=>{const{touchAction:i}=this._options;if(!this.touchDecided&&"none"!==i){this.touchDecided=!0;const n=Math.abs(t),r=Math.abs(e);if(this.changeSource===Tg.USER_INTERACTION&&("pan-y"===i&&r>n||"pan-x"===i&&n>r))return void(this.touchMode=null);this.element.addEventListener("touchmove",this.disableScroll,{passive:!1})}this.handleSinglePointerMove(t,e)},this.onPointerDown=t=>{if(this.pointers.length>2)return;const{element:e}=this;0===this.pointers.length&&(e.addEventListener("pointermove",this.onPointerMove),e.addEventListener("pointerup",this.onPointerUp),this.touchMode=null,this.touchDecided=!1,this.startPointerPosition.clientX=t.clientX,this.startPointerPosition.clientY=t.clientY,this.startTime=performance.now());try{e.setPointerCapture(t.pointerId)}catch(t){}this.pointers.push({clientX:t.clientX,clientY:t.clientY,id:t.pointerId}),this.isUserPointing=!1,"touch"===t.pointerType?(this.changeSource=t.altKey?Tg.AUTOMATIC:Tg.USER_INTERACTION,this.onTouchChange(t)):(this.changeSource=Tg.USER_INTERACTION,this.onMouseDown(t)),this.changeSource===Tg.USER_INTERACTION&&this.dispatchEvent({type:"user-interaction"})},this.onPointerMove=t=>{const e=this.pointers.find((e=>e.id===t.pointerId));if(null==e)return;if("mouse"===t.pointerType&&0===t.buttons)return void this.onPointerUp(t);const i=this.pointers.length,n=(t.clientX-e.clientX)/i,r=(t.clientY-e.clientY)/i;0===n&&0===r||(e.clientX=t.clientX,e.clientY=t.clientY,"touch"===t.pointerType?(this.changeSource=t.altKey?Tg.AUTOMATIC:Tg.USER_INTERACTION,null!==this.touchMode&&this.touchMode(n,r)):(this.changeSource=Tg.USER_INTERACTION,this.panPerPixel>0?this.movePan(n,r):this.handleSinglePointerMove(n,r)))},this.onPointerUp=t=>{const{element:e}=this,i=this.pointers.findIndex((e=>e.id===t.pointerId));-1!==i&&this.pointers.splice(i,1),this.panPerPixel>0&&!t.altKey&&this.resetRadius(),0===this.pointers.length?(e.removeEventListener("pointermove",this.onPointerMove),e.removeEventListener("pointerup",this.onPointerUp),e.removeEventListener("touchmove",this.disableScroll),this.enablePan&&this.enableTap&&this.recenter(t)):null!==this.touchMode&&this.onTouchChange(t),this.scene.element[Km].style.opacity=0,e.style.cursor="grab",this.panPerPixel=0,this.isUserPointing&&this.dispatchEvent({type:"pointer-change-end"})},this.onWheel=t=>{this.changeSource=Tg.USER_INTERACTION;const e=t.deltaY*(1==t.deltaMode?18:1)*bg*this.zoomSensitivity/30;this.userAdjustOrbit(0,0,e),t.preventDefault(),this.dispatchEvent({type:"user-interaction"})},this.onKeyDown=t=>{const{changeSource:e}=this;this.changeSource=Tg.USER_INTERACTION;(t.shiftKey&&this.enablePan?this.panKeyCodeHandler(t):this.orbitZoomKeyCodeHandler(t))?(t.preventDefault(),this.dispatchEvent({type:"user-interaction"})):this.changeSource=e},this._options=Object.assign({},Mg),this.setOrbit(0,Math.PI/2,1),this.setFieldOfView(100),this.jumpToGoal()}get interactionEnabled(){return this._interactionEnabled}enableInteraction(){if(!1===this._interactionEnabled){const{element:t}=this;t.addEventListener("pointerdown",this.onPointerDown),t.addEventListener("pointercancel",this.onPointerUp),this._disableZoom||t.addEventListener("wheel",this.onWheel),t.addEventListener("keydown",this.onKeyDown),t.addEventListener("touchmove",(()=>{}),{passive:!1}),t.addEventListener("contextmenu",this.onContext),this.element.style.cursor="grab",this._interactionEnabled=!0,this.updateTouchActionStyle()}}disableInteraction(){if(!0===this._interactionEnabled){const{element:t}=this;t.removeEventListener("pointerdown",this.onPointerDown),t.removeEventListener("pointermove",this.onPointerMove),t.removeEventListener("pointerup",this.onPointerUp),t.removeEventListener("pointercancel",this.onPointerUp),t.removeEventListener("wheel",this.onWheel),t.removeEventListener("keydown",this.onKeyDown),t.removeEventListener("contextmenu",this.onContext),t.style.cursor="",this.touchMode=null,this._interactionEnabled=!1,this.updateTouchActionStyle()}}get options(){return this._options}set disableZoom(t){this._disableZoom!=t&&(this._disableZoom=t,!0===t?this.element.removeEventListener("wheel",this.onWheel):this.element.addEventListener("wheel",this.onWheel),this.updateTouchActionStyle())}getCameraSpherical(t=new uc){return t.copy(this.spherical)}getFieldOfView(){return this.camera.fov}applyOptions(t){Object.assign(this._options,t),this.setOrbit(),this.setFieldOfView(Math.exp(this.goalLogFov))}updateNearFar(t,e){this.camera.far=0===e?2:e,this.camera.near=Math.max(t,this.camera.far/1e3),this.camera.updateProjectionMatrix()}updateAspect(t){this.camera.aspect=t,this.camera.updateProjectionMatrix()}setOrbit(t=this.goalSpherical.theta,e=this.goalSpherical.phi,i=this.goalSpherical.radius){const{minimumAzimuthalAngle:n,maximumAzimuthalAngle:r,minimumPolarAngle:s,maximumPolarAngle:a,minimumRadius:o,maximumRadius:l}=this._options,{theta:c,phi:h,radius:u}=this.goalSpherical,d=Yh(t,n,r);isFinite(n)||isFinite(r)||(this.spherical.theta=this.wrapAngle(this.spherical.theta-d)+d);const A=Yh(e,s,a),p=Yh(i,o,l);return(d!==c||A!==h||p!==u)&&(!!(isFinite(d)&&isFinite(A)&&isFinite(p))&&(this.goalSpherical.theta=d,this.goalSpherical.phi=A,this.goalSpherical.radius=p,this.goalSpherical.makeSafe(),!0))}setRadius(t){this.goalSpherical.radius=t,this.setOrbit()}setFieldOfView(t){const{minimumFieldOfView:e,maximumFieldOfView:i}=this._options;t=Yh(t,e,i),this.goalLogFov=Math.log(t)}setDamperDecayTime(t){this.thetaDamper.setDecayTime(t),this.phiDamper.setDecayTime(t),this.radiusDamper.setDecayTime(t),this.fovDamper.setDecayTime(t)}adjustOrbit(t,e,i){const{theta:n,phi:r,radius:s}=this.goalSpherical,{minimumRadius:a,maximumRadius:o,minimumFieldOfView:l,maximumFieldOfView:c}=this._options,h=this.spherical.theta-n,u=Math.PI-.001,d=n-Yh(t,-u-h,u-h),A=r-e,p=0===i?0:((i>0?o:a)-s)/(Math.log(i>0?c:l)-this.goalLogFov),m=s+i*(isFinite(p)?p:2*(o-a));if(this.setOrbit(d,A,m),0!==i){const t=this.goalLogFov+i;this.setFieldOfView(Math.exp(t))}}jumpToGoal(){this.update(0,1e4)}update(t,e){if(this.isStationary())return!1;const{maximumPolarAngle:i,maximumRadius:n}=this._options,r=this.spherical.theta-this.goalSpherical.theta;return Math.abs(r)>Math.PI&&!isFinite(this._options.minimumAzimuthalAngle)&&!isFinite(this._options.maximumAzimuthalAngle)&&(this.spherical.theta-=2*Math.sign(r)*Math.PI),this.spherical.theta=this.thetaDamper.update(this.spherical.theta,this.goalSpherical.theta,e,Math.PI),this.spherical.phi=this.phiDamper.update(this.spherical.phi,this.goalSpherical.phi,e,i),this.spherical.radiu

714s=this.radiusDamper.update(this.spherical.radius,this.goalSpherical.radius,e,n),this.logFov=this.fovDamper.update(this.logFov,this.goalLogFov,e,1),this.moveCamera(),!0}updateTouchActionStyle(){const{style:t}=this.element;if(this._interactionEnabled){const{touchAction:e}=this._options;this._disableZoom&&"none"!==e?t.touchAction="manipulation":t.touchAction=e}else t.touchAction=""}isStationary(){return this.goalSpherical.theta===this.spherical.theta&&this.goalSpherical.phi===this.spherical.phi&&this.goalSpherical.radius===this.spherical.radius&&this.goalLogFov===this.logFov}moveCamera(){this.spherical.makeSafe(),this.camera.position.setFromSpherical(this.spherical),this.camera.setRotationFromEuler(new Mi(this.spherical.phi-Math.PI/2,this.spherical.theta,0,"YXZ")),this.camera.fov!==Math.exp(this.logFov)&&(this.camera.fov=Math.exp(this.logFov),this.camera.updateProjectionMatrix())}userAdjustOrbit(t,e,i){this.adjustOrbit(t*this.orbitSensitivity*this.inputSensitivity,e*this.orbitSensitivity*this.inputSensitivity,i*this.inputSensitivity)}wrapAngle(t){const e=(t+Math.PI)/(2*Math.PI);return 2*(e-Math.floor(e))*Math.PI-Math.PI}pixelLengthToSphericalAngle(t){return 2*Math.PI*t/this.scene.height}twoTouchDistance(t,e){const{clientX:i,clientY:n}=t,{clientX:r,clientY:s}=e,a=r-i,o=s-n;return Math.sqrt(a*a+o*o)}handleSinglePointerMove(t,e){const i=this.pixelLengthToSphericalAngle(t),n=this.pixelLengthToSphericalAngle(e);!1===this.isUserPointing&&(this.isUserPointing=!0,this.dispatchEvent({type:"pointer-change-start"})),this.userAdjustOrbit(i,n,0)}initializePan(){const{theta:t,phi:e}=this.spherical,i=t-this.scene.yaw;this.panPerPixel=.018*this.panSensitivity/this.scene.height,this.panProjection.set(-Math.cos(i),-Math.cos(e)*Math.sin(i),0,0,Math.sin(e),0,Math.sin(i),-Math.cos(e)*Math.cos(i),0)}movePan(t,e){const{scene:i}=this,n=Ig.set(t,e,0).multiplyScalar(this.inputSensitivity),r=this.spherical.radius*Math.exp(this.logFov)*this.panPerPixel;n.multiplyScalar(r);const s=i.getTarget();s.add(n.applyMatrix3(this.panProjection)),i.boundingSphere.clampPoint(s,s),i.setTarget(s.x,s.y,s.z)}recenter(t){if(performance.now()>this.startTime+300||Math.abs(t.clientX-this.startPointerPosition.clientX)>2||Math.abs(t.clientY-this.startPointerPosition.clientY)>2)return;const{scene:e}=this,i=e.positionAndNormalFromPoint(e.getNDC(t.clientX,t.clientY));if(null==i){const{cameraTarget:t}=e.element;e.element.cameraTarget="",e.element.cameraTarget=t,this.userAdjustOrbit(0,0,1)}else e.target.worldToLocal(i.position),e.setTarget(i.position.x,i.position.y,i.position.z)}resetRadius(){const{scene:t}=this,e=t.positionAndNormalFromPoint(Cg.set(0,0));if(null==e)return;t.target.worldToLocal(e.position);const i=t.getTarget(),{theta:n,phi:r}=this.spherical,s=n-t.yaw,a=Ig.set(Math.sin(r)*Math.sin(s),Math.cos(r),Math.sin(r)*Math.cos(s)),o=a.dot(e.position.sub(i));i.add(a.multiplyScalar(o)),t.setTarget(i.x,i.y,i.z),this.setOrbit(void 0,void 0,this.goalSpherical.radius-o)}onTouchChange(t){if(1===this.pointers.length)this.touchMode=this.touchModeRotate;else{if(this._disableZoom)return this.touchMode=null,void this.element.removeEventListener("touchmove",this.disableScroll);this.touchMode=this.touchDecided&&null===this.touchMode?null:this.touchModeZoom,this.touchDecided=!0,this.element.addEventListener("touchmove",this.disableScroll,{passive:!1}),this.lastSeparation=this.twoTouchDistance(this.pointers[0],this.pointers[1]),this.enablePan&&null!=this.touchMode&&(this.initializePan(),t.altKey||(this.scene.element[Km].style.opacity=1))}}onMouseDown(t){this.panPerPixel=0,this.enablePan&&(2===t.button||t.ctrlKey||t.metaKey||t.shiftKey)&&(this.initializePan(),this.scene.element[Km].style.opacity=1),this.element.style.cursor="grabbing"}orbitZoomKeyCodeHandler(t){let e=!0;switch(t.key){case"PageUp":this.userAdjustOrbit(0,0,bg*this.zoomSensitivity);break;case"PageDown":this.userAdjustOrbit(0,0,-.04*this.zoomSensitivity);break;case"ArrowUp":this.userAdjustOrbit(0,-wg,0);break;case"ArrowDown":this.userAdjustOrbit(0,wg,0);break;case"ArrowLeft":this.userAdjustOrbit(-wg,0,0);break;case"ArrowRight":this.userAdjustOrbit(wg,0,0);break;default:e=!1}return e}panKeyCodeHandler(t){this.initializePan();let e=!0;switch(t.key){case"ArrowUp":this.movePan(0,-10);break;case"ArrowDown":this.movePan(0,10);break;case"ArrowLeft":this.movePan(-10,0);break;case"ArrowRight":this.movePan(10,0);break;default:e=!1}return e}}
715/* @license
716 * Copyright 2019 Google LLC. All Rights Reserved.
717 * Licensed under the Apache License, Version 2.0 (the 'License');

718 * you may not use this file except in compliance with the License.
719 * You may obtain a copy of the License at
720 *
721 *     http://www.apache.org/licenses/LICENSE-2.0
722 *
723 * Unless required by applicable law or agreed to in writing, software
724 * distributed under the License is distributed on an 'AS IS' BASIS,
725 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
726 * See the License for the specific language governing permissions and
727 * limitations under the License.
728 */const Rg=1/1.3,Dg="not-presenting",Lg="session-started",Ug="object-placed",Pg="failed",Ng="tracking",Fg="not-tracking",Qg=new ke,Og=new gi,kg=new ke,Gg=new nr(45,1,.1,100);class Hg extends te{constructor(t){super(),this.renderer=t,this.currentSession=null,this.placeOnWall=!1,this.placementBox=null,this.lastTick=null,this.turntableRotation=null,this.oldShadowIntensity=null,this.frame=null,this.initialHitSource=null,this.transientHitTestSource=null,this.inputSource=null,this._presentedScene=null,this.resolveCleanup=null,this.exitWebXRButtonContainer=null,this.overlay=null,this.xrLight=null,this.tracking=!0,this.frames=0,this.initialized=!1,this.oldTarget=new ke,this.placementComplete=!1,this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.lastDragPosition=new ke,this.firstRatio=0,this.lastAngle=0,this.goalPosition=new ke,this.goalYaw=0,this.goalScale=1,this.xDamper=new Sp,this.yDamper=new Sp,this.zDamper=new Sp,this.yawDamper=new Sp,this.scaleDamper=new Sp,this.onExitWebXRButtonContainerClick=()=>this.stopPresenting(),this.onUpdateScene=()=>{null!=this.placementBox&&this.isPresenting&&(this.placementBox.dispose(),this.placementBox=new bp(this.presentedScene,this.placeOnWall?"back":"bottom"))},this.onSelectStart=t=>{const e=this.transientHitTestSource;if(null==e)return;const i=this.frame.getHitTestResultsForTransientInput(e),n=this.presentedScene,r=this.placementBox;if(1===i.length){this.inputSource=t.inputSource;const{axes:e}=this.inputSource.gamepad,i=r.getHit(this.presentedScene,e[0],e[1]);r.show=!0,null!=i?(this.isTranslating=!0,this.lastDragPosition.copy(i)):!1===this.placeOnWall&&(this.isRotating=!0,this.lastAngle=1.5*e[0])}else if(2===i.length){r.show=!0,this.isTwoFingering=!0;const{separation:t}=this.fingerPolar(i);this.firstRatio=t/n.scale.x}},this.onSelectEnd=()=>{this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.inputSource=null,this.goalPosition.y+=this.placementBox.offsetHeight*this.presentedScene.scale.x,this.placementBox.show=!1},this.threeRenderer=t.threeRenderer,this.threeRenderer.xr.enabled=!0}async resolveARSession(){qh();const t=await navigator.xr.requestSession("immersive-ar",{requiredFeatures:["hit-test"],optionalFeatures:["dom-overlay","light-estimation"],domOverlay:this.overlay?{root:this.overlay}:void 0});return this.threeRenderer.xr.setReferenceSpaceType("local"),await this.threeRenderer.xr.setSession(t),this.threeRenderer.xr.cameraAutoUpdate=!1,t}get presentedScene(){return this._presentedScene}async supportsPresentation(){try{return qh(),await navigator.xr.isSessionSupported("immersive-ar")}catch(t){return console.warn("Request to present in WebXR denied:"),console.warn(t),console.warn("Falling back to next ar-mode"),!1}}async present(t,e=!1){this.isPresenting&&console.warn("Cannot present while a model is already presenting");let i=new Promise(((t,e)=>{requestAnimationFrame((()=>t()))}));t.setHotspotsVisibility(!1),t.queueRender(),await i,this._presentedScene=t,this.overlay=t.element.shadowRoot.querySelector("div.default"),!0===e&&(this.xrLight=new xp(this.threeRenderer),this.xrLight.addEventListener("estimationstart",(()=>{if(!this.isPresenting||null==this.xrLight)return;const t=this.presentedScene;t.add(this.xrLight),t.environment=this.xrLight.environment})));const n=await this.resolveARSession();n.addEventListener("end",(()=>{this.postSessionCleanup()}),{once:!0});const r=t.element.shadowRoot.querySelector(".slot.exit-webxr-ar-button");r.classList.add("enabled"),r.addEventListener("click",this.onExitWebXRButtonContainerClick),this.exitWebXRButtonContainer=r;const s=await n.requestReferenceSpace("viewer");this.tracking=!0,this.frames=0,this.initialized=!1,this.turntableRotation=t.yaw,this.goalYaw=t.yaw,this.goalScale=1,t.setBackgroun

728d(null),this.oldShadowIntensity=t.shadowIntensity,t.setShadowIntensity(.01),this.oldTarget.copy(t.getTarget()),t.element.addEventListener("load",this.onUpdateScene);const a=20*Math.PI/180,o=!0===this.placeOnWall?void 0:new XRRay(new DOMPoint(0,0,0),{x:0,y:-Math.sin(a),z:-Math.cos(a)});n.requestHitTestSource({space:s,offsetRay:o}).then((t=>{this.initialHitSource=t})),this.currentSession=n,this.placementBox=new bp(t,this.placeOnWall?"back":"bottom"),this.placementComplete=!1,this.lastTick=performance.now(),this.dispatchEvent({type:"status",status:Lg})}async stopPresenting(){if(!this.isPresenting)return;const t=new Promise((t=>{this.resolveCleanup=t}));try{await this.currentSession.end(),await t}catch(t){console.warn("Error while trying to end WebXR AR session"),console.warn(t),this.postSessionCleanup()}}get isPresenting(){return null!=this.presentedScene}get target(){return this.oldTarget}updateTarget(){const t=this.presentedScene;if(null!=t){const e=t.getTarget();this.oldTarget.copy(e),this.placeOnWall?e.z=t.boundingBox.min.z:e.y=t.boundingBox.min.y,t.setTarget(e.x,e.y,e.z)}}postSessionCleanup(){const t=this.currentSession;null!=t&&(t.removeEventListener("selectstart",this.onSelectStart),t.removeEventListener("selectend",this.onSelectEnd),this.currentSession=null);const e=this.presentedScene;if(this._presentedScene=null,null!=e){const{element:t}=e;null!=this.xrLight&&(e.remove(this.xrLight),this.xrLight.dispose(),this.xrLight=null),e.position.set(0,0,0),e.scale.set(1,1,1),e.setShadowOffset(0);const i=this.turntableRotation;null!=i&&(e.yaw=i);const n=this.oldShadowIntensity;null!=n&&e.setShadowIntensity(n),e.setEnvironmentAndSkybox(t[Zh],t[tu]);const r=this.oldTarget;e.setTarget(r.x,r.y,r.z),e.xrCamera=null,e.element.removeEventListener("load",this.onUpdateScene),e.orientHotspots(0),t.requestUpdate("cameraTarget"),t.requestUpdate("maxCameraOrbit"),t[My](t.getBoundingClientRect()),requestAnimationFrame((()=>{e.element.dispatchEvent(new CustomEvent("camera-change",{detail:{source:Tg.NONE}}))}))}this.renderer.height=0;const i=this.exitWebXRButtonContainer;null!=i&&(i.classList.remove("enabled"),i.removeEventListener("click",this.onExitWebXRButtonContainerClick),this.exitWebXRButtonContainer=null);const n=this.transientHitTestSource;null!=n&&(n.cancel(),this.transientHitTestSource=null);const r=this.initialHitSource;null!=r&&(r.cancel(),this.initialHitSource=null),null!=this.placementBox&&(this.placementBox.dispose(),this.placementBox=null),this.lastTick=null,this.turntableRotation=null,this.oldShadowIntensity=null,this.frame=null,this.inputSource=null,this.overlay=null,null!=this.resolveCleanup&&this.resolveCleanup(),this.dispatchEvent({type:"status",status:Dg})}updateView(t){const e=this.presentedScene,i=this.threeRenderer.xr;i.updateCamera(Gg),e.xrCamera=i.getCamera();const{elements:n}=e.getCamera().matrixWorld;if(e.orientHotspots(Math.atan2(n[1],n[5])),this.initialized||(this.placeInitially(),this.initialized=!0),t.requestViewportScale&&t.recommendedViewportScale){const e=t.recommendedViewportScale;t.requestViewportScale(Math.max(e,.25))}const r=i.getBaseLayer();if(null!=r){const e=r instanceof XRWebGLLayer?r.getViewport(t):i.getBinding().getViewSubImage(r,t).viewport;this.threeRenderer.setViewport(e.x,e.y,e.width,e.height)}}placeInitially(){const t=this.presentedScene,{position:e,element:i}=t,n=t.getCamera(),{width:r,height:s}=this.overlay.getBoundingClientRect();t.setSize(r,s),n.projectionMatrixInverse.copy(n.projectionMatrix).invert();const{theta:a,radius:o}=i.getCameraOrbit(),l=n.getWorldDirection(Qg);t.yaw=Math.atan2(-l.x,-l.z)-a,this.goalYaw=t.yaw,e.copy(n.position).add(l.multiplyScalar(o)),this.updateTarget();const c=t.getTarget();e.add(c).sub(this.oldTarget),this.goalPosition.copy(e),t.setHotspotsVisibility(!0);const{session:h}=this.frame;h.addEventListener("selectstart",this.onSelectStart),h.addEventListener("selectend",this.onSelectEnd),h.requestHitTestSourceForTransientInput({profile:"generic-touchscreen"}).then((t=>{this.transientHitTestSource=t}))}getTouchLocation(){const{axes:t}=this.inputSource.gamepad;let e=this.placementBox.getExpandedHit(this.presentedScene,t[0],t[1]);return null!=e&&(Qg.copy(e).sub(this.presentedScene.getCamera().position),Qg.length()>10)?null:e}getHitPoint(t){const e=this.threeRenderer.xr.getReferenceSpace(),i=t.getPose(e);if(null==i)return null;const n=Og.fromArray(i.transform.matrix);return!0===this.placeOnWall&&(this.goalYaw=Math.atan2(n.elements[4],n.elements[6])),n.elements[5]>.75!==this.placeOnWall?kg.setFromMatrixPosition(n):null}moveToFloor(t){const e=this.initialHitSource;if(null==e)return;const i=t.getHitTestResults(e);if(0==i.length)return;const n=i[0],r=this.getHitPoint(n);null!=r&&(this.placementBox.show=!0,this.isTranslating||(this.placeOnWall?this.goalPosition.copy(r):this.goalPosition.y=r.y),e.cancel(),this.initialHitSource=null,this.dispatchEvent({type:"status",status:Ug}))}fingerPolar(t){const e=t[0].inputSource.gamepad.axes,i=t[1].inputSource.gamepad.axes,n=i[0]-e[0],r=i[1]-e[1],s=Math.atan2(r,n);let a=this.lastAngle-s;return a>Math.PI?a-=2*Math.PI:a<-Math.PI&&(a+=2*Math.PI),this.lastAngle=s,{separation:Math.sqrt(n*n+r*r),deltaYaw:a}}processInput(t){const e=this.transientHitTestSource;if(null==e)return;if(!this.isTranslating&&!this.isTwoFingering&&!this.isRotating)return;const i=t.getHitTestResultsForTransientInput(e),n=this.presentedScene,r=n.scale.x;if(this.isTwoFingering)if(i.length<2)this.isTwoFingering=!1;else{const{separation:t,deltaYaw:e}=this.fingerPolar(i);if(!1===this.placeOnWall&&(this.goalYaw+=e),n.canScale){const e=t/this.firstRatio;this.goalScale=e<1.3&&e>Rg?1:e}}else if(2!==i.length)if(this.isRotating){const t=1.5*this.inputSource.gamepad.axes[0];this.goalYaw+=t-this.lastAngle,this.lastAngle=t}else this.isTranslating&&i.forEach((t=>{if(t.inputSource!==this.inputSource)return;let e=null;if(t.results.length>0&&(e=this.getHitPoint(t.results[0])),null==e&&(e=this.getTouchLocation()),null!=e){if(this.goalPosition.sub(this.lastDragPosition),!1===this.placeOnWall){const t=e.y-this.lastDragPosition.y;if(t<0){this.placementBox.offsetHeight=t/r,this.presentedScene.setShadowOffset(t);const i=Qg.copy(n.getCamera().position),s=-t/(i.y-e.y);i.multiplyScalar(s),e.multiplyScalar(1-s).add(i)}}this.goalPosition.add(e),this.lastDragPosition.copy(e)}}));else{this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!0;const{separation:t}=this.fingerPolar(i);this.firstRatio=t/r}}moveScene(t){const e=this.presentedScene,{position:i,yaw:n}=e,r=e.boundingSphere.radius,s=this.goalPosition,a=e.scale.x,o=this.placementBox;let l=Tg.NONE;if(!s.equals(i)||this.goalScale!==a){l=Tg.USER_INTERACTION;let{x:n,y:c,z:h}=i;n=this.xDamper.update(n,s.x,t,r),c=this.yDamper.update(c,s.y,t,r),h=this.zDamper.update(h,s.z,t,r),i.set(n,c,h);const u=this.scaleDamper.update(a,this.goalScale,t,1);if(e.scale.set(u,u,u),!this.isTranslating){const t=s.y-c;this.placementComplete&&!1===this.placeOnWall?(o.offsetHeight=t/u,e.setShadowOffset(t)):0===t&&(this.placementComplete=!0,o.show=!1,e.setShadowIntensity(.8))}}o.updateOpacity(t),e.updateTarget(t),e.yaw=this.yawDamper.update(n,this.goalYaw,t,Math.PI),e.element.dispatchEvent(new CustomEvent("camera-change",{detail:{source:l}}))}onWebXRFrame(t,e){this.frame=e,++this.frames;const i=this.threeRenderer.xr.getReferenceSpace(),n=e.getViewerPose(i);null==n&&!0===this.tracking&&this.frames>30&&(this.tracking=!1,this.dispatchEvent({type:"tracking",status:Fg}));const r=this.presentedScene;if(null==n||null==r||!r.element.loaded)return void this.threeRenderer.clear();!1===this.tracking&&(this.tracking=!0,this.dispatchEvent({type:"tracking",status:Ng}));let s=!0;for(const i of n.views){if(this.updateView(i),s){this.moveToFloor(e),this.processInput(e);const i=t-this.lastTick;this.moveScene(i),this.renderer.preRender(r,t,i),this.lastTick=t,r.renderShadow(this.threeRenderer)}this.threeRenderer.render(r,r.getCamera()),s=!1}}}function zg(t){const e=new Map,i=new Map,n=t.clone();return Vg(t,n,(function(t,n){e.set(n,t),i.set(t,n)})),n.traverse((function(t){if(!t.isSkinnedMesh)return;const n=t,r=e.get(t),s=r.skeleton.bones;n.skeleton=r.skeleton.clone(),n.bindMatrix.copy(r.bindMatrix),n.skeleton.bones=s.map((function(t){return i.get(t)})),n.bind(n.skeleton,n.bindMatrix)})),n}function Vg(t,e,i){i(t,e);for(let n=0;n<t.children.length;n++)Vg(t.children[n],e.children[n],i)}
729/* @license
730 * Copyright 2020 Google LLC. All Rights Reserved.
731 * Licensed under the Apache License, Version 2.0 (the 'License');
732 * you may not use this file except in compliance with the License.
733 * You may obtain a copy of the License at
734 *
735 *     http://www.apache.org/licenses/LICENSE-2.0
736 *
737 * Unless required by applicable law or agreed to in writing, software
738 * distributed under the License is distributed on an 'AS IS' BASIS,
739 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
740 * See the License for the specific language governing permissions and
741 * limitations under the License.
742 */const Wg=Symbol("prepared"),qg=Symbol("prepare"),Xg=Symbol("preparedGLTF"),jg=Symbol("clone");class Yg{constructor(t){this[Xg]=t}static prepare(t){if(null==t.scene)throw new Error("Model does not have a scene");if(t[Wg])return t;const e=this[qg](t);return e[Wg]=!0,e}static[qg](t){const{scene:e}=t,i=[e];return Object.assign(Object.assign({},t),{scene:e,scenes:i})}get parser(){return this[Xg].parser}get animations(){return this[Xg].animations}get scene(){return this[Xg].scene}get scenes(){return this[Xg].scenes}get cameras(){return this[Xg].cameras}get asset(){return this[Xg].asset}get userData(){return this[Xg].userData}clone(){return new(0,this.constructor)(this[jg]())}dispose(){this.scenes.forEach((t=>{t.traverse((t=>{const e=t;if(!e.material)return;(Array.isArray(e.material)?e.material:[e.material]).forEach((t=>{for(const e in t){const i=t[e];if(i instanceof Le){const t=i.source.data;null!=t.close&&t.close(),i.dispose()}}t.dispose()})),e.geometry.dispose()}))}))}[jg](){const t=this[Xg],e=zg(this.scene);Kg(e,this.scene);const i=[e],n=t.userData?Object.assign({},t.userData):{};return Object.assign(Object.assign({},t),{scene:e,scenes:i,userData:n})}}const Kg=(t,e)=>{Jg(t,e,((t,e)=>{void 0!==e.userData.variantMaterials&&(t.userData.variantMaterials=new Map(e.userData.variantMaterials)),void 0!==e.userData.variantData&&(t.userData.variantData=e.userData.variantData),void 0!==e.userData.originalMaterial&&(t.userData.originalMaterial=e.userData.originalMaterial)}))},Jg=(t,e,i)=>{i(t,e);for(let n=0;n<t.children.length;n++)Jg(t.children[n],e.children[n],i)},$g=Symbol("threeGLTF"),Zg=Symbol("gltf"),tf=Symbol("gltfElementMap"),ef=Symbol("threeObjectMap"),nf=Symbol("parallelTraverseThreeScene"),rf=Symbol("correlateOriginalThreeGLTF"),sf=Symbol("correlateCloneThreeGLTF");class af{constructor(t,e,i,n){this[$g]=t,this[Zg]=e,this[tf]=n,this[ef]=i}static from(t,e){return null!=e?this[sf](t,e):this[rf](t)}static[rf](t){const e=t.parser.json,i=t.parser.associations,n=new Map,r={name:"Default"},s={type:"materials",index:-1};for(const t of i.keys())t instanceof cn&&null==i.get(t)&&(s.index<0&&(null==e.materials&&(e.materials=[]),s.index=e.materials.length,e.materials.push(r)),t.name=r.name,i.set(t,{materials:s.index}));for(const[t,r]of i){r&&(t.userData=t.userData||{},t.userData.associations=r);for(const i in r)if(null!=i&&"primitives"!==i){const s=i,a=(e[s]||[])[r[s]];if(null==a)continue;let o=n.get(a);null==o&&(o=new Set,n.set(a,o)),o.add(t)}}return new af(t,e,i,n)}static[sf](t,e){const i=e.threeGLTF,n=e.gltf,r=JSON.parse(JSON.stringify(n)),s=new Map,a=new Map;for(let n=0;n<i.scenes.length;n++)this[nf](i.scenes[n],t.scenes[n],((t,i)=>{const n=e.threeObjectMap.get(t);if(null!=n)for(const t in n)if(null!=t&&"primitives"!==t){const e=t,o=n[e],l=r[e][o],c=s.get(i)||{};c[e]=o,s.set(i,c);const h=a.get(l)||new Set;h.add(i),a.set(l,h)}}));return new af(t,r,s,a)}static[nf](t,e,i){const n=(t,e)=>{if(i(t,e),t.isObject3D){const r=t,s=e;if(r.material)if(Array.isArray(r.material))for(let t=0;t<r.material.length;++t)i(r.material[t],s.material[t]);else i(r.material,s.material);for(let i=0;i<t.children.length;++i)n(t.children[i],e.children[i])}};n(t,e)}get threeGLTF(){return this[$g]}get gltf(){return this[Zg]}get gltfElementMap(){return this[tf]}get threeObjectMap(){return this[ef]}}
743/* @license
744 * Copyright 2020 Google LLC. All Rights Reserved.
745 * Licensed under the Apache License, Version 2.0 (the 'License');

756=t.colorSpace;const f={format:at,depthBuffer:!1,stencilBuffer:!1,type:this._type,colorSpace:this._colorSpace,anisotropy:void 0!==(null===(e=t.renderTargetOptions)||void 0===e?void 0:e.anisotropy)?null===(i=t.renderTargetOptions)||void 0===i?void 0:i.anisotropy:1,generateMipmaps:void 0!==(null===(n=t.renderTargetOptions)||void 0===n?void 0:n.generateMipmaps)&&(null===(r=t.renderTargetOptions)||void 0===r?void 0:r.generateMipmaps),magFilter:void 0!==(null===(s=t.renderTargetOptions)||void 0===s?void 0:s.magFilter)?null===(a=t.renderTargetOptions)||void 0===a?void 0:a.magFilter:J,minFilter:void 0!==(null===(o=t.renderTargetOptions)||void 0===o?void 0:o.minFilter)?null===(l=t.renderTargetOptions)||void 0===l?void 0:l.minFilter:J,samples:void 0!==(null===(c=t.renderTargetOptions)||void 0===c?void 0:c.samples)?null===(h=t.renderTargetOptions)||void 0===h?void 0:h.samples:void 0,wrapS:void 0!==(null===(u=t.renderTargetOptions)||void 0===u?void 0:u.wrapS)?null===(d=t.renderTargetOptions)||void 0===d?void 0:d.wrapS:q,wrapT:void 0!==(null===(A=t.renderTargetOptions)||void 0===A?void 0:A.wrapT)?null===(p=t.renderTargetOptions)||void 0===p?void 0:p.wrapT:q};if(this._material=t.material,t.renderer?this._renderer=t.renderer:(this._renderer=uf.instantiateRenderer(),this._rendererIsDisposable=!0),this._scene=new no,this._camera=new Br,this._camera.position.set(0,0,10),this._camera.left=-.5,this._camera.right=.5,this._camera.top=.5,this._camera.bottom=-.5,this._camera.updateProjectionMatrix(),!((t,e,i,n)=>{if(void 0!==hf)return hf;const r=new Ne(1,1,n);e.setRenderTarget(r);const s=new Wn(new fr,new hn({color:16777215}));e.render(s,i),e.setRenderTarget(null);const a=cf(t,r.width,r.height);return e.readRenderTargetPixels(r,0,0,r.width,r.height,a),r.dispose(),s.geometry.dispose(),s.material.dispose(),hf=0!==a[0],hf})(this._type,this._renderer,this._camera,f)){let t;if(this._type===rt)t=this._renderer.extensions.has("EXT_color_buffer_float")?nt:void 0;void 0!==t?(console.warn(`This browser does not support reading pixels from ${this._type} RenderTargets, switching to 1015`),this._type=t):(this._supportsReadPixels=!1,console.warn("This browser dos not support toArray or toDataTexture, calls to those methods will result in an error thrown"))}this._quad=new Wn(new fr,this._material),this._quad.geometry.computeBoundingBox(),this._scene.add(this._quad),this._renderTarget=new Ne(this.width,this.height,f),this._renderTarget.texture.mapping=void 0!==(null===(m=t.renderTargetOptions)||void 0===m?void 0:m.mapping)?null===(g=t.renderTargetOptions)||void 0===g?void 0:g.mapping:k}static instantiateRenderer(){const t=new io;return t.setSize(128,128),t}toArray(){if(!this._supportsReadPixels)throw new Error("Can't read pixels in this browser");const t=cf(this._type,this._width,this._height);return this._renderer.readRenderTargetPixels(this._renderTarget,0,0,this._width,this._height,t),t}toDataTexture(t){const e=new _o(this.toArray(),this.width,this.height,at,this._type,(null==t?void 0:t.mapping)||k,(null==t?void 0:t.wrapS)||q,(null==t?void 0:t.wrapT)||q,(null==t?void 0:t.magFilter)||J,(null==t?void 0:t.minFilter)||J,(null==t?void 0:t.anisotropy)||1,Ut);return e.generateMipmaps=void 0!==(null==t?void 0:t.generateMipmaps)&&(null==t?void 0:t.generateMipmaps),e}disposeOnDemandRenderer(){this._renderer.setRenderTarget(null),this._rendererIsDisposable&&(this._renderer.dispose(),this._renderer.forceContextLoss())}dispose(t){this.disposeOnDemandRenderer(),t&&this.renderTarget.dispose(),this.material instanceof $n&&Object.values(this.material.uniforms).forEach((t=>{t.value instanceof Le&&t.value.dispose()})),Object.values(this.material).forEach((t=>{t instanceof Le&&t.dispose()})),this.material.dispose(),this._quad.geometry.dispose()}get width(){return this._width}set width(t){this._width=t,this._renderTarget.setSize(this._width,this._height)}get height(){return this._height}set height(t){this._height=t,this._renderTarget.setSize(this._width,this._height)}get renderer(){return this._renderer}get renderTarget(){return this._renderTarget}set renderTarget(t){this._renderTarget=t,this._width=t.width,this._height=t.height}get material(){return this._material}get type(){return this._type}get colorSpace(){return this._colorSpace}}class df extends $n{constructor({gamma:t,offsetHdr:e,offsetSdr:i,gainMapMin:n,gainMapMax:r,maxDisplayBoost:s,hdrCapacityMin:a,hdrCapacityMax:o,sdr:l,gainMap:c}){super({name:"GainMapDecoderMaterial",vertexShader:"\nvarying vec2 vUv;\n\nvoid main() {\n  vUv = uv;\n  gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0

756arseFloat(u)}}catch(t){}r=n.indexOf("<x:xmpmeta",t)}})(t);if(!e)throw new pf("Gain map XMP metadata not found");const i=new gf({extractFII:!0,extractNonFII:!0}),n=await i.extract(t);if(2!==n.length)throw new Af("Gain map recovery image not found");return{sdr:new Uint8Array(await n[0].arrayBuffer()),gainMap:new Uint8Array(await n[1].arrayBuffer()),metadata:e}},vf=t=>new Promise(((e,i)=>{const n=document.createElement("img");n.onload=()=>{e(n)},n.onerror=t=>{i(t)},n.src=URL.createObjectURL(t)}));class _f extends Il{constructor(t,e){super(e),t&&(this._renderer=t),this._internalLoadingManager=new Sl}setRenderer(t){return this._renderer=t,this}setRenderTargetOptions(t){return this._renderTargetOptions=t,this}prepareQuadRenderer(){this._renderer||console.warn("WARNING: An existing WebGL Renderer was not passed to this Loader constructor or in setRenderer, the result of this Loader will need to be converted to a Data Texture with toDataTexture() before you can use it in your renderer.");const t=new df({gainMapMax:[1,1,1],gainMapMin:[0,0,0],gamma:[1,1,1],offsetHdr:[1,1,1],offsetSdr:[1,1,1],hdrCapacityMax:1,hdrCapacityMin:0,maxDisplayBoost:1,gainMap:new Le,sdr:new Le});return new uf({width:16,height:16,type:rt,colorSpace:Ut,material:t,renderer:this._renderer,renderTargetOptions:this._renderTargetOptions})}async render(t,e,i,n){const r=n?new Blob([n],{type:"image/jpeg"}):void 0,s=new Blob([i],{type:"image/jpeg"});let a,o,l=!1;if("undefined"==typeof createImageBitmap){const t=await Promise.all([r?vf(r):Promise.resolve(void 0),vf(s)]);o=t[0],a=t[1],l=!0}else{const t=await Promise.all([r?createImageBitmap(r,{imageOrientation:"flipY"}):Promise.resolve(void 0),createImageBitmap(s,{imageOrientation:"flipY"})]);o=t[0],a=t[1]}const c=new Le(o||new ImageData(2,2),k,q,q,J,1008,at,tt,1,Ut);c.flipY=l,c.needsUpdate=!0;const h=new Le(a,k,q,q,J,1008,at,tt,1,Lt);h.flipY=l,h.needsUpdate=!0,t.width=a.width,t.height=a.height,t.material.gainMap=c,t.material.sdr=h,t.material.gainMapMin=e.gainMapMin,t.material.gainMapMax=e.gainMapMax,t.material.offsetHdr=e.offsetHdr,t.material.offsetSdr=e.offsetSdr,t.material.gamma=e.gamma,t.material.hdrCapacityMin=e.hdrCapacityMin,t.material.hdrCapacityMax=e.hdrCapacityMax,t.material.maxDisplayBoost=Math.pow(2,e.hdrCapacityMax),t.material.needsUpdate=!0,t.render()}}class yf extends _f{load(t,e,i,n){const r=this.prepareQuadRenderer(),s=new bl(this._internalLoadingManager);return s.setResponseType("arraybuffer"),s.setRequestHeader(this.requestHeader),s.setPath(this.path),s.setWithCredentials(this.withCredentials),this.manager.itemStart(t),s.load(t,(async i=>{if("string"==typeof i)throw new Error("Invalid buffer, received [string], was expecting [ArrayBuffer]");const s=new Uint8Array(i);let a,o,l;try{const t=await ff(s);a=t.sdr,o=t.gainMap,l=t.metadata}catch(e){if(!(e instanceof pf||e instanceof Af))throw e;console.warn(`Failure to reconstruct an HDR image from ${t}: Gain map metadata not found in the file, HDRJPGLoader will render the SDR jpeg`),l={gainMapMin:[0,0,0],gainMapMax:[1,1,1],gamma:[1,1,1],hdrCapacityMin:0,hdrCapacityMax:1,offsetHdr:[0,0,0],offsetSdr:[0,0,0]},a=s}try{await this.render(r,l,a,o)}catch(e){return this.manager.itemError(t),"function"==typeof n&&n(e),void r.disposeOnDemandRenderer()}"function"==typeof e&&e(r),this.manager.itemEnd(t),r.disposeOnDemandRenderer()}),i,(e=>{this.manager.itemError(t),"function"==typeof n&&n(e)})),r}}class Ef extends Bl{constructor(t){super(t),this.type=rt}parse(t){const e=function(t,e){switch(t){case 1:throw new Error("THREE.RGBELoader: Read Error: "+(e||""));case 2:throw new Error("THREE.RGBELoader: Write Error: "+(e||""));case 3:throw new Error("THREE.RGBELoader: Bad File Format: "+(e||""));default:throw new Error("THREE.RGBELoader: Memory Error: "+(e||""))}},i=function(t,e,i){e=e||1024;let n=t.pos,r=-1,s=0,a="",o=String.fromCharCode.apply(null,new Uint16Array(t.subarray(n,n+128)));for(;0>(r=o.indexOf("\n"))&&s<e&&n<t.byteLength;)a+=o,s+=o.length,n+=128,o+=String.fromCharCode.apply(null,new Uint16Array(t.subarray(n,n+128)));return-1<r&&(!1!==i&&(t.pos+=s+r+1),a+o.slice(0,r))},n=function(t,e,i,n){const r=t[e+3],s=Math.pow(2,r-128)/255;i[n+0]=t[e+0]*s,i[n+1]=t[e+1]*s,i[n+2]=t[e+2]*s,i[n+3]=1},r=function(t,e,i,n){const r=t[e+3],s=Math.pow(2,r-128)/255;i[n+0]=An.toHalfFloat(Math.min(t[e+0]*s,65504)),i[n+1]=An.toHalfFloat(Math.min(t[e+1]*s,65504)),i[n+2]=An.toHalfFloat(Math.min(t[e+2]*s,65504)),i[n+3]=An.toHalfFloat(1)},s=new Uint8Array(t);s.pos=0;const a=function(t){const n=/^\s*GAMMA\s*=\s*(\d+(\.\d+)?)\s*$/,r=/^\s*EXPOSURE\s*=\s*(\d+(\.\d+)?)\s*$/,s=/^\s*FORMAT=(\S+)\s*$/,a=/^\s*\-Y\s+(\d+)\s+\+X\s+(\d+)\s*$/,o={valid:0,string:"",comments:"",programtype:"RGBE",format:"",gamma:1,exposure:1,width:0,height:0};let l,c;for((t.pos>=t.byteLength||!(l=i(t)))&&e(1,"no header found"),(c=l.match(/^#\?(\S+)/))||e(3,"bad initial token"),o.valid|=1,o.programtype=c[1],o.string+=l+"\n";l=i(t),!1!==l;)if(o.string+=l+"\n","#"!==l.charAt(0)){if((c=l.match(n))&&(o.gamma=parseFloat(c[1])),(c=l.match(r))&&(o.exposure=parseFloat(c[1])),(c=l.match(s))&&(o.valid|=2,o.format=c[1]),(c=l.match(a))&&(o.valid|=4,o.height=parseInt(c[1],10),o.width=parseInt(c[2],10)),2&o.valid&&4&o.valid)break}else o.comments+=l+"\n";return 2&o.valid||e(3,"missing format specifier"),4&o.valid||e(3,"missing image size specifier"),o}(s),o=a.width,l=a.height,c=function(t,i,n){const r=i;if(r<8||r>32767||2!==t[0]||2!==t[1]||128&t[2])return new Uint8Array(t);r!==(t[2]<<8|t[3])&&e(3,"wrong scanline width");const s=new Uint8Array(4*i*n);s.length||e(4,"unable to allocate buffer space");let a=0,o=0;const l=4*r,c=new Uint8Array(4),h=new Uint8Array(l);let u=n;for(;u>0&&o<t.byteLength;){o+4>t.byteLength&&e(1),c[0]=t[o++],c[1]=t[o++],c[2]=t[o++],c[3]=t[o++],2==c[0]&&2==c[1]&&(c[2]<<8|c[3])==r||e(3,"bad rgbe scanline format");let i,n=0;for(;n<l&&o<t.byteLength;){i=t[o++];const r=i>128;if(r&&(i-=128),(0===i||n+i>l)&&e(3,"bad scanline data"),r){const e=t[o++];for(let t=0;t<i;t++)h[n++]=e}else h.set(t.subarray(o,o+i),n),n+=i,o+=i}const d=r;for(let t=0;t<d;t++){let e=0;s[a]=h[t+e],e+=r,s[a+1]=h[t+e],e+=r,s[a+2]=h[t+e],e+=r,s[a+3]=h[t+e],a+=4}u--}return s}(s.subarray(s.pos),o,l);let h,u,d;switch(this.type){case nt:d=c.length/4;const t=new Float32Array(4*d);for(let e=0;e<d;e++)n(c,4*e,t,4*e);h=t,u=nt;break;case rt:d=c.length/4;const e=new Uint16Array(4*d);for(let t=0;t<d;t++)r(c,4*t,e,4*t);h=e,u=rt;break;default:throw new Error("THREE.RGBELoader: Unsupported type: "+this.type)}return{width:o,height:l,data:h,header:a.string,gamma:a.gamma,exposure:a.exposure,type:u}}setDataType(t){return this.type=t,this}load(t,e,i,n){return super.load(t,(function(t,i){switch(t.type){case nt:case rt:t.colorSpace=Ut,t.minFilter=J,t.magFilter=J,t.generateMipmaps=!1,t.flipY=!0}e&&e(t,i)}),i,n)}}
757/* @license
758 * Copyright 2021 Google LLC. All Rights Reserved.
759 * Licensed under the Apache License, Version 2.0 (the 'License');
760 * you may not use this file except in compliance with the License.
761 * You may obtain a copy of the License at
762 *
763 *     http://www.apache.org/licenses/LICENSE-2.0
764 *
765 * Unless required by applicable law or agreed to in writing, software
766 * distributed under the License is distributed on an 'AS IS' BASIS,
767 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
768 * See the License for the specific language governing permissions and
769 * limitations under the License.
770 */const xf={topLight:{intensity:500,position:[.418,16.199,.3]},room:{position:[-.757,13.219,.717],scale:[31.713,28.305,28.591]},boxes:[{position:[-10.906,2.009,1.846],rotation:-.195,scale:[2.328,7.905,4.651]},{position:[-5.607,-.754,-.758],rotation:.994,scale:[1.97,1.534,3.955]},{position:[6.167,.857,7.803],rotation:.561,scale:[3.927,6.285,3.687]},{position:[-2.017,.018,6.124],rotation:.333,scale:[2.002,4.566,2.064]},{position:[2.291,-.756,-2.621],rotation:-.286,scale:[1.546,1.552,1.496]},{position:[-2.193,-.369,-5.547],rotation:.516,scale:[3.875,3.487,2.986]}],lights:[{intensity:50,position:[-16.116,14.37,8.208],scale:[.1,2.428,2.739]},{intensity:50,position:[-16.109,18.021,-8.207],scale:[.1,2.425,2.751]},{intensity:17,position:[14.904,12.198,-1.832],scale:[.15,4.265,6.331]},{intensity:43,position:[-.462,8.89,14.52],scale:[4.38,5.441,.088]},{intensity:20,position:[3.235,11.486,-12.541],scale:[2.5,2,.1]},{intensity:100,position:[0,20,0],scale:[1,.1,1]}]},Sf={topLight:{intensity:400,position:[.5,14,.5]},room:{position:[0,13.2,0],scale:[31.5,28.5,31.5]},boxes:[{position:[-10.906,-1,1.846],rotation:-.195,scale:[2.328,7.905,4.651]},{position:[-5.607,-.754,-.758],rotation:.994,scale:[1.97,1.534,3.955]},{position:[6.167,-.16,7.803],rotation:.561,scale:[3.927,6.285,3.687]},{position:[-2.017,.018,6.124],rotation:.333,scale:[2.002,4.566,2.064]},{position:[2.291,-.756,-2.621],rotation:-.286,scale:[1.546,1.552,1.496]}

770,{position:[-2.193,-.369,-5.547],rotation:.516,scale:[3.875,3.487,2.986]}],lights:[{intensity:80,position:[-14,10,8],scale:[.1,2.5,2.5]},{intensity:80,position:[-14,14,-4],scale:[.1,2.5,2.5]},{intensity:23,position:[14,12,0],scale:[.1,5,5]},{intensity:16,position:[0,9,14],scale:[5,5,.1]},{intensity:80,position:[7,8,-14],scale:[2.5,2.5,.1]},{intensity:80,position:[-7,16,-14],scale:[2.5,2.5,.1]},{intensity:1,position:[0,20,0],scale:[.1,.1,.1]}]};class Cf extends no{constructor(t){super(),this.position.y=-3.5;const e=new Xn;e.deleteAttribute("uv");const i=new il({metalness:0,side:l}),n=new il({metalness:0}),r="legacy"==t?xf:Sf,s=new zl(16777215,r.topLight.intensity,28,2);s.position.set(...r.topLight.position),this.add(s);const a=new Wn(e,i);a.position.set(...r.room.position),a.scale.set(...r.room.scale),this.add(a);for(const t of r.boxes){const i=new Wn(e,n);i.position.set(...t.position),i.rotation.set(0,t.rotation,0),i.scale.set(...t.scale),this.add(i)}for(const t of r.lights){const i=new Wn(e,this.createAreaLightMaterial(t.intensity));i.position.set(...t.position),i.scale.set(...t.scale),this.add(i)}}createAreaLightMaterial(t){const e=new hn;return e.color.setScalar(t),e}}
771/* @license
772 * Copyright 2019 Google LLC. All Rights Reserved.
773 * Licensed under the Apache License, Version 2.0 (the 'License');
774 * you may not use this file except in compliance with the License.
775 * You may obtain a copy of the License at
776 *
777 *     http://www.apache.org/licenses/LICENSE-2.0
778 *
779 * Unless required by applicable law or agreed to in writing, software
780 * distributed under the License is distributed on an 'AS IS' BASIS,
781 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
782 * See the License for the specific language governing permissions and
783 * limitations under the License.
784 */const If=20,Mf=/\.hdr(\.js)?$/;class wf{constructor(t){this.threeRenderer=t,this.lottieLoaderUrl="",this.withCredentials=!1,this._ldrLoader=null,this._imageLoader=null,this._hdrLoader=null,this._lottieLoader=null,this.generatedEnvironmentMap=null,this.generatedEnvironmentMapAlt=null,this.skyboxCache=new Map,this.blurMaterial=null,this.blurScene=null}get ldrLoader(){return null==this._ldrLoader&&(this._ldrLoader=new Rl),this._ldrLoader.setWithCredentials(this.withCredentials),this._ldrLoader}get imageLoader(){return null==this._imageLoader&&(this._imageLoader=new yf(this.threeRenderer)),this._imageLoader.setWithCredentials(this.withCredentials),this._imageLoader}get hdrLoader(){return null==this._hdrLoader&&(this._hdrLoader=new Ef,this._hdrLoader.setDataType(rt)),this._hdrLoader.setWithCredentials(this.withCredentials),this._hdrLoader}

784async getLottieLoader(){if(null==this._lottieLoader){const{LottieLoader:t}=await import(this.lottieLoaderUrl);this._lottieLoader=new t}return this._lottieLoader.setWithCredentials(this.withCredentials),this._lottieLoader}async loadImage(t){const e=await new Promise(((e,i)=>this.ldrLoader.load(t,e,(()=>{}),i)));return e.name=t,e.flipY=!1,e}async loadLottie(t,e){const i=await this.getLottieLoader();i.setQuality(e);const n=await new Promise(((e,n)=>i.load(t,e,(()=>{}),n)));return n.name=t,n}async loadEquirect(t,e=(()=>{})){try{const i=Mf.test(t),n=i?this.hdrLoader:this.imageLoader,r=await new Promise(((i,r)=>n.load(t,(t=>{const{renderTarget:e}=t;if(null!=e){const{texture:n}=e;t.dispose(!1),i(n)}else i(t)}),(t=>{e(t.loaded/t.total*.9)}),r)));return e(1),r.name=t,r.mapping=z,i||(r.colorSpace=Lt),r}finally{e&&e(1)}}async generateEnvironmentMapAndSkybox(t=null,e=null,i=(()=>{})){const n="legacy"!==e;"legacy"!==e&&"neutral"!==e||(e=null),e=Wh(e);let r,s=Promise.resolve(null);t&&(s=this.loadEquirectFromUrl(t,i)),r=e?this.loadEquirectFromUrl(e,i):t?this.loadEquirectFromUrl(t,i):n?this.loadGeneratedEnvironmentMapAlt():this.loadGeneratedEnvironmentMap();const[a,o]=await Promise.all([r,s]);if(null==a)throw new Error("Failed to load environment map.");return{environmentMap:a,skybox:o}}async loadEquirectFromUrl(t,e){if(!this.skyboxCache.has(t)){const i=this.loadEquirect(t,e);this.skyboxCache.set(t,i)}return this.skyboxCache.get(t)}async GenerateEnvironmentMap(t,e){await((t=0)=>new Promise((e=>setTimeout(e,t))))();const i=this.threeRenderer,n=new or(256,{generateMipmaps:!1,type:rt,format:at,colorSpace:Ut,depthBuffer:!0}),r=new sr(.1,100,n),s=r.renderTarget.texture;s.name=e;const a=i.outputColorSpace,o=i.toneMapping;return i.toneMapping=R,i.outputColorSpace=Ut,r.update(i,t),this.blurCubemap(n,.04),i.toneMapping=o,i.outputColorSpace=a,s}async loadGeneratedEnvironmentMap(){return null==this.generatedEnvironmentMap&&(this.generatedEnvironmentMap=this.GenerateEnvironmentMap(new Cf("legacy"),"legacy")),this.generatedEnvironmentMap}async loadGeneratedEnvironmentMapAlt(){return null==this.generatedEnvironmentMapAlt&&(this.generatedEnvironmentMapAlt=this.GenerateEnvironmentMap(new Cf("neutral"),"neutral")),this.generatedEnvironmentMapAlt}blurCubemap(t,e){if(null==this.blurMaterial){this.blurMaterial=this.getBlurShader(If);const t=new Xn,e=new Wn(t,this.blurMaterial);this.blurScene=new no,this.blurScene.add(e)}const i=t.clone();this.halfblur(t,i,e,"latitudinal"),this.halfblur(i,t,e,"longitudinal")}halfblur(t,e,i,n){const r=t.width,s=isFinite(i)?Math.PI/(2*r):2*Math.PI/39,a=i/s,o=isFinite(i)?1+Math.floor(3*a):If;o>If&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${o} samples when the maximum is set to 20`);const l=[];let c=0;for(let t=0;t<If;++t){const e=t/a,i=Math.exp(-e*e/2);l.push(i),0==t?c+=i:t<o&&(c+=2*i)}for(let t=0;t<l.length;t++)l[t]=l[t]/c;const h=this.blurMaterial.uniforms;h.envMap.value=t.texture,h.samples.value=o,h.weights.value=l,h.latitudinal.value="latitudinal"===n,h.dTheta.value=s;new sr(.1,100,e).update(this.threeRenderer,this.blurScene)}getBlurShader(t){const e=new Float32Array(t),i=new ke(0,1,0);return new $n({name:"SphericalGaussianBlur",defines:{n:t},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:e},latitudinal:{value:!1},dTheta:{value:0},poleAxis:{value:i}},vertexShader:"\n      \n      varying vec3 vOutputDirection;\n  \n      void main() {\n  \n        vOutputDirection = vec3( position );\n        gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n  \n      }\n    ",fragmentShader:"\n        varying vec3 vOutputDirection;\n  \n        uniform samplerCube envMap;\n        uniform int samples;\n        uniform float weights[ n ];\n        uniform bool latitudinal;\n        uniform float dTheta;\n        uniform vec3 poleAxis;\n  \n        vec3 getSample( float theta, vec3 axis ) {\n  \n          float cosTheta = cos( theta );\n          // Rodrigues' axis-angle rotation\n          vec3 sampleDirection = vOutputDirection * cosTheta\n            + cross( axis, vOutputDirection ) * sin( theta )\n            + axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n  \n          return vec3( textureCube( envMap, sampleDirection ) );\n  \n        }\n  \n        void main() {\n  \n          vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n  \n          if ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n  \n            axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n  \n          }\n  \n          axis = normalize( axis );\n  \n          gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n          gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n  \n          for ( int i = 1; i < n; i++ ) {\n  \n            if ( i >= samples ) {\n  \n              break;\n  \n            }\n  \n            float theta = dTheta * float( i );\n            gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n            gl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n  \n          }\n        }\n      ",blending:0,depthTest:!1,depthWrite:!1,side:l})}async dispose(){for(const[,t]of this.skyboxCache){(await t).dispose()}null!=this.generatedEnvironmentMap&&((await this.generatedEnvironmentMap).dispose(),this.generatedEnvironmentMap=null),null!=this.generatedEnvironmentMapAlt&&((await this.generatedEnvironmentMapAlt).dispose(),this.generatedEnvironmentMapAlt=null),null!=this.blurMaterial&&this.blurMaterial.dispose()}}
785/* @license
786 * Copyright 2019 Google LLC. All Rights Reserved.
787 * Licensed under the Apache License, Version 2.0 (the 'License');

788 * you may not use this file except in compliance with the License.
789 * You may obtain a copy of the License at
790 *
791 *     http://www.apache.org/licenses/LICENSE-2.0
792 *
793 * Unless required by applicable law or agreed to in writing, software
794 * distributed under the License is distributed on an 'AS IS' BASIS,
795 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
796 * See the License for the specific language governing permissions and
797 * limitations under the License.
798 */const bf=[1,.79,.62,.5,.4,.31,.25],Tf="high-performance";class Bf extends te{constructor(t){super(),this.loader=new hA(lf),this.width=0,this.height=0,this.dpr=1,this.scenes=new Set,this.multipleScenesVisible=!1,this.lastTick=performance.now(),this.renderedLastFrame=!1,this.scaleStep=0,this.lastStep=3,this.avgFrameDuration=50,this.onWebGLContextLost=t=>{this.dispatchEvent({type:"contextlost",sourceEvent:t})},this.onWebGLContextRestored=()=>{var t;null===(t=this.textureUtils)||void 0===t||t.dispose(),this.textureUtils=new wf(this.threeRenderer);for(const t of this.scenes)t.element[eu]()},this.dpr=Kh(),this.canvas3D=document.createElement("canvas"),this.canvas3D.id="webgl-canvas",this.canvas3D.classList.add("show");try{this.threeRenderer=new io({canvas:this.canvas3D,alpha:!0,antialias:!0,powerPreference:t.powerPreference,preserveDrawingBuffer:!0}),this.threeRenderer.autoClear=!0,this.threeRenderer.setPixelRatio(1),this.threeRenderer.debug={checkShaderErrors:!!t.debug,onShaderError:null},this.threeRenderer.toneMapping=P}catch(t){console.warn(t)}this.arRenderer=new Hg(this),this.textureUtils=this.canRender?new wf(this.threeRenderer):null,hA.initializeKTX2Loader(this.threeRenderer),this.canvas3D.addEventListener("webglcontextlost",this.onWebGLContextLost),this.canvas3D.addEventListener("webglcontextrestored",this.onWebGLContextRestored),this.updateRendererSize()}static get singleton(){return this._singleton||(this._singleton=new Bf({powerPreference:(self.ModelViewerElement||{}).powerPreference||Tf,debug:Jh()})),this._singleton}static resetSingleton(){const t=this._singleton.dispose();for(const e of t)e.disconnectedCallback();this._singleton=new Bf({powerPreference:(self.ModelViewerElement||{}).powerPreference||Tf,debug:Jh()});for(const e of t)e.connectedCallback()}get canRender(){return null!=this.threeRenderer}get scaleFactor(){return bf[this.scaleStep]}set minScale(t){let e=1;for(;e<bf.length&&!(bf[e]<t);)++e;this.lastStep=e-1}registerScene(t){this.scenes.add(t),t.forceRescale();const e=new de;this.threeRenderer.getSize(e),t.canvas.width=e.x,t.canvas.height=e.y,this.canRender&&this.scenes.size>0&&this.threeRenderer.setAnimationLoop(((t,e)=>this.render(t,e)))}unregisterScene(t){this.scenes.delete(t),this.canvas3D.parentElement===t.canvas.parentElement&&t.canvas.parentElement.removeChild(this.canvas3D),this.canRender&&0===this.scenes.size&&this.threeRenderer.setAnimationLoop(null)}displayCanvas(t){return t.element.modelIsVisible&&!this.multipleScenesVisible?this.canvas3D:t.element[Ey]}countVisibleScenes(){const{canvas3D:t}=this;let e=0,i=null;for(const n of this.scenes){const{element:r}=n;r.modelIsVisible&&null==n.externalRenderer&&++e,t.parentElement===n.canvas.parentElement&&(i=n)}const n=e>1;if(null!=i){const e=n&&!this.multipleScenesVisible,r=!i.element.modelIsVisible;if(e||r){const{width:e,height:n}=this.sceneSize(i);this.copyPixels(i,e,n),t.parentElement.removeChild(t)}}this.multipleScenesVisible=n}updateRendererSize(){var t;const e=Kh();if(e!==this.dpr)for(const t of this.scenes){const{element:e}=t;e[ly](e.getBoundingClientRect())}let i=0,n=0;for(const t of this.scenes)i=Math.max(i,t.width),n=Math.max(n,t.height);if(i!==this.width||n!==this.height||e!==this.dpr){this.width=i,this.height=n,this.dpr=e,i=Math.ceil(i*e),n=Math.ceil(n*e),this.canRender&&this.threeRenderer.setSize(i,n,!1);for(const e of this.scenes){const{canvas:r}=e;r.width=i,r.height=n,e.forceRescale(),null===(t=e.effectRenderer)||void 0===t||t.setSize(i,n)}}}updateRendererScale(t){const e=this.scaleStep;this.avgFrameDuration+=Yh(.2*(t-this.avgFrameDuration),-5,5),this.avgFrameDuration>60?++this.scaleStep:this.avgFrameDuration<40&&this.scaleStep>0&&--this.scaleStep,this.scaleStep=Math.min(this.scaleStep,this.lastStep),e!==this.scaleStep&&(this.avgFrameDuration=50)}shouldRender(t){if(t.shouldRender())t.scaleStep!=this.scaleStep&&(t.scaleStep=this.scaleStep,this.rescaleCanvas(t));else{if(0==t.scaleStep)return!1;t.scaleStep=0,this.rescaleCanvas(t)}return!0}rescaleCanvas(t){const e=bf[t.scaleStep],i=Math.ceil(this.width/e),n=Math.ceil(this.height/e),{style:r}=t.canvas;r.width=`${i}px`,r.height=`${n}px`,this.canvas3D.style.width=`${i}px`,this.canvas3D.style.height=`${n}px`;const s=this.dpr*e,a=e<1?"GPU throttling":this.dpr!==window.devicePixelRatio?"No meta viewport tag":"";t.element.dispatchEvent(new CustomEvent("render-scale",{detail:{reportedDpr:window.devicePixelRatio,renderedDpr:s,minimumDpr:this.dpr*bf[this.lastStep],pixelWidth:Math.ceil(t.width*s),pixelHeight:Math.ceil(t.height*s),reason:a}}))}sceneSize(t){const{dpr:e}=this,i=bf[t.scaleStep];return{width:Math.min(Math.ceil(t.width*i*e),this.canvas3D.width),height:Math.min(Math.ceil(t.height*i*e),this.canvas3D.height)}}copyPixels(t,e,i){const n=t.context;null!=n?(n.clearRect(0,0,e,i),n.drawImage(this.canvas3D,0,0,e,i,0,0,e,i),t.canvas.classList.add("show")):console.log("could not acquire 2d context")}orderedScenes(){const t=[];for(const e of[!1,!0])for(const i of this.scenes)i.element.modelIsVisible===e&&t.push(i);return t}get isPresenting(){return this.arRenderer.isPresenting}preRender(t,e,i){const{element:n,exposure:r,toneMapping:s}=t;n[Cy](e,i);const a="number"==typeof r&&!Number.isNaN(r),o=n.environmentImage,l=n.skyboxImage,c=s===Q&&("neutral"===o||"legacy"===o||!o&&!l);this.threeRenderer.toneMappingExposure=(a?r:1)*(c?1.3:1)}render(t,e){if(null!=e)return void this.arRenderer.onWebXRFrame(t,e);const i=t-this.lastTick;if(this.lastTick=t,!this.canRender||this.isPresenting)return;this.countVisibleScenes(),this.updateRendererSize(),this.renderedLastFrame&&(this.updateRendererScale(i),this.renderedLastFrame=!1);const{canvas3D:n}=this;for(const e of this.orderedScenes()){const{element:r}=e;if(!r.loaded||!r.modelIsVisible&&e.renderCount>0)continue;if(this.preRender(e,t,i),!this.shouldRender(e))continue;if(null!=e.externalRenderer){const t=e.getCamera();t.updateMatrix();const{matrix:i,projectionMatrix:n}=t,r=i.elements.slice(),s=e.getTarget();r[12]+=s.x,r[13]+=s.y,r[14]+=s.z,e.externalRenderer.render({viewMatrix:r,projectionMatrix:n.elements});continue}if(!r.modelIsVisible&&!this.multipleScenesVisible)for(const t of this.scenes)t.element.modelIsVisible&&t.queueRender();const{width:s,height:a}=this.sceneSize(e);

798e.renderShadow(this.threeRenderer),this.threeRenderer.setRenderTarget(null),this.threeRenderer.setViewport(0,Math.ceil(this.height*this.dpr)-a,s,a),null!=e.effectRenderer?e.effectRenderer.render(i):(this.threeRenderer.autoClear=!0,this.threeRenderer.toneMapping=e.toneMapping,this.threeRenderer.render(e,e.camera)),this.multipleScenesVisible||!e.element.modelIsVisible&&0===e.renderCount?this.copyPixels(e,s,a):n.parentElement!==e.canvas.parentElement&&(e.canvas.parentElement.appendChild(n),e.canvas.classList.remove("show")),e.hasRendered(),++e.renderCount,this.renderedLastFrame=!0}}dispose(){null!=this.textureUtils&&this.textureUtils.dispose(),null!=this.threeRenderer&&this.threeRenderer.dispose(),this.textureUtils=null,this.threeRenderer=null;const t=[];for(const e of this.scenes)t.push(e.element);return this.canvas3D.removeEventListener("webglcontextlost",this.onWebGLContextLost),this.canvas3D.removeEventListener("webglcontextrestored",this.onWebGLContextRestored),t}}
799/* @license
800 * Copyright 2020 Google LLC. All Rights Reserved.
801 * Licensed under the Apache License, Version 2.0 (the 'License');
802 * you may not use this file except in compliance with the License.
803 * You may obtain a copy of the License at
804 *
805 *     http://www.apache.org/licenses/LICENSE-2.0
806 *
807 * Unless required by applicable law or agreed to in writing, software
808 * distributed under the License is distributed on an 'AS IS' BASIS,
809 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
810 * See the License for the specific language governing permissions and
811 * limitations under the License.
812 */const Rf=Symbol("correlatedObjects"),Df=Symbol("onUpdate");class Lf{constructor(t,e=null){this[Df]=t,this[Rf]=e}}
813/* @license
814 * Copyright 2020 Google LLC. All Rights Reserved.
815 * Licensed under the Apache License, Version 2.0 (the 'License');
816 * you may not use this file except in compliance with the License.
817 * You may obtain a copy of the License at
818 *
819 *     http://www.apache.org/licenses/LICENSE-2.0
820 *
821 * Unless required by applicable law or agreed to in writing, software
822 * distributed under the License is distributed on an 'AS IS' BASIS,
823 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
824 * See the License for the specific language governing permissions and
825 * limitations under the License.
826 */const Uf=new hn,Pf=new fr(2,2);let Nf=0;const Ff=Symbol("threeTexture"),Qf=Symbol("threeTextures");class Of extends Lf{get[Ff](){var t;return null===(t=this[Rf])||void 0===t?void 0:t.values().next().value}get[Qf](){return this[Rf]}constructor(t,e){super(t,new Set(e?[e]:[])),this[Ff].image.src||(this[Ff].image.src=e.name?e.name:"adhoc_image"+Nf++),this[Ff].image.name||(this[Ff].image.name=e&&e.image&&e.image.src?e.image.src.split("/").pop():"adhoc_image")}get name(){return this[Ff].image.name||""}get uri(){return this[Ff].image.src}get bufferView(){return this[Ff].image.bufferView}get element(){const t=this[Ff];if(t&&(t.isCanvasTexture||t.isVideoTexture))return t.image}get animation(){const t=this[Ff];if(t&&t.isCanvasTexture&&t.animation)return t.animation}get type(){return null!=this.uri?"external":"embedded"}set name(t){for(const e of this[Qf])e.image.name=t}update(){const t=this[Ff];t&&t.isCanvasTexture&&!t.animation&&(this[Ff].needsUpdate=!0,this[Df]())}async createThumbnail(t,e){const i=new no;Uf.map=this[Ff];const n=new Wn(Pf,Uf);i.add(n);const r=new Br(-1,1,1,-1,0,1),{threeRenderer:s}=Bf.singleton,a=new Ne(t,e);s.setRenderTarget(a),s.render(i,r),s.setRenderTarget(null);const o=new Uint8Array(t*e*4);s.readRenderTargetPixels(a,0,0,t,e,o),$_.width=t,$_.height=e;const l=$_.getContext("2d"),c=l.createImageData(t,e);return c.data.set(o),l.putImageData(c,0,0),new Promise((async(t,e)=>{$_.toBlob((i=>{if(!i)return e("Failed to capture thumbnail.");t(URL.createObjectURL(i))}),"image/png")}))}}var kf,Gf;!function(t){t[t.Nearest=9728]="Nearest",t[t.Linear=9729]="Linear",t[t.NearestMipmapNearest=9984]="NearestMipmapNearest",t[t.LinearMipmapNearest=9985]="LinearMipmapNearest",t[t.NearestMipmapLinear=9986]="NearestMipmapLinear",t[t.LinearMipmapLinear=9987]="LinearMipmapLinear"}(kf||(kf={})),function(t){t[t.ClampToEdge=33071]="ClampToEdge",t[t.MirroredRepeat=33648]="MirroredRepeat",t[t.Repeat=10497]="Repeat"}(Gf||(Gf={}));
827/* @license
828 * Copyright 2020 Google LLC. All Rights Reserved.
829 * Licensed under the Apache License, Version 2.0 (the 'License');

830 * you may not use this file except in compliance with the License.
831 * You may obtain a copy of the License at
832 *
833 *     http://www.apache.org/licenses/LICENSE-2.0
834 *
835 * Unless required by applicable law or agreed to in writing, software
836 * distributed under the License is distributed on an 'AS IS' BASIS,
837 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
838 * See the License for the specific language governing permissions and
839 * limitations under the License.
840 */
841const Hf=new Map([[Gf.Repeat,W],[Gf.ClampToEdge,q],[Gf.MirroredRepeat,X]]),zf=new Map([[W,Gf.Repeat],[q,Gf.ClampToEdge],[X,Gf.MirroredRepeat]]),Vf=new Map([[kf.Nearest,j],[kf.Linear,J],[kf.NearestMipmapNearest,Y],[kf.LinearMipmapNearest,$],[kf.NearestMipmapLinear,K],[kf.LinearMipmapLinear,Z]]),Wf=new Map([[j,kf.Nearest],[J,kf.Linear],[Y,kf.NearestMipmapNearest],[$,kf.LinearMipmapNearest],[K,kf.NearestMipmapLinear],[Z,kf.LinearMipmapLinear]]),qf=new Map([[kf.Nearest,j],[kf.Linear,J]]),Xf=new Map([[j,kf.Nearest],[J,kf.Linear]]),jf=t=>Wf.has(t),Yf=t=>Xf.has(t),Kf=t=>zf.has(t),Jf=Symbol("threeTexture"),$f=Symbol("threeTextures"),Zf=Symbol("setProperty");class tv extends Lf{get[Jf](){var t;return null===(t=this[Rf])||void 0===t?void 0:t.values().next().value}get[$f](){return this[Rf]}constructor(t,e){super(t,new Set(e?[e]:[]))}get name(){return this[Jf].name||""}get minFilter(){return Wf.get(this[Jf].minFilter)}get magFilter(){return Xf.get(this[Jf].magFilter)}get wrapS(){return zf.get(this[Jf].wrapS)}get wrapT(){return zf.get(this[Jf].wrapT)}get rotation(){return this[Jf].rotation}get scale(){return Ly(this[Jf].repeat)}get offset(){return Ly(this[Jf].offset)}setMinFilter(t){this[Zf]("minFilter",Vf.get(t))}setMagFilter(t){this[Zf]("magFilter",qf.get(t))}setWrapS(t){this[Zf]("wrapS",Hf.get(t))}setWrapT(t){this[Zf]("wrapT",Hf.get(t))}setRotation(t){null==t&&(t=0),this[Zf]("rotation",t)}setScale(t){null==t&&(t={u:1,v:1}),this[Zf]("repeat",new de(t.u,t.v))}setOffset(t){null==t&&(t={u:0,v:0}),this[Zf]("offset",new de(t.u,t.v))}[Zf](t,e){if(((t,e)=>{switch(t){case"minFilter":return jf(e);case"magFilter":return Yf(e);case"wrapS":case"wrapT":return Kf(e);case"rotation":case"repeat":case"offset":return!0;default:throw new Error(`Cannot configure property "${t}" on Sampler`)}})(t,e))for(const i of this[$f])i[t]=e,i.needsUpdate=!0;this[Df]()}}
842/* @license
843 * Copyright 2020 Google LLC. All Rights Reserved.
844 * Licensed under the Apache License, Version 2.0 (the 'License');
845 * you may not use this file except in compliance with the License.
846 * You may obtain a copy of the License at
847 *
848 *     http://www.apache.org/licenses/LICENSE-2.0
849 *
850 * Unless required by applicable law or agreed to in writing, software
851 * distributed under the License is distributed on an 'AS IS' BASIS,
852 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
853 * See the License for the specific language governing permissions and
854 * limitations under the License.
855 */const ev=Symbol("image"),iv=Symbol("sampler"),nv=Symbol("threeTexture");class rv extends Lf{constructor(t,e){super(t,new Set(e?[e]:[])),this[iv]=new tv(t,e),this[ev]=new Of(t,e)}get[nv](){var t;return null===(t=this[Rf])||void 0===t?void 0:t.values().next().value}get name(){return this[nv].name||""}set name(t){for(const e of this[Rf])e.name=t}get sampler(){return this[iv]}get source(){return this[ev]}}
856/* @license
857 * Copyright 2020 Google LLC. All Rights Reserved.
858 * Licensed under the Apache License, Version 2.0 (the 'License');
859 * you may not use this file except in compliance with the License.
860 * You may obtain a copy of the License at
861 *
862 *     http://www.apache.org/licenses/LICENSE-2.0
863 *
864 * Unless required by applicable law or agreed to in writing, software
865 * distributed under the License is distributed on an 'AS IS' BASIS,
866 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
867 * See the License for the specific language governing permissions and
868 * limitations under the License.
869 */var sv,av,ov;const lv=Symbol("texture"),cv=Symbol("transform"),hv=Symbol("materials"),uv=Symbol("usage"),dv=Symbol("onUpdate"),Av=Symbol("activeVideo");var pv;!function(t){t[t.Base=0]="Base",t[t.MetallicRoughness=1]="MetallicRoughness",t[t.Normal=2]="Normal",t[t.Occlusion=3]="Occlusion",t[t.Emissive=4]="Emissive",t[t.Clearcoat=5]="Clearcoat",t[t.ClearcoatRoughness=6]="ClearcoatRoughness",t[t.ClearcoatNormal=7]="ClearcoatNormal",t[t.SheenColor=8]="SheenColor",t[t.SheenRoughness=9]="SheenRoughness",t[t.Transmission=10]="Transmission",t[t.Thickness=11]="Thickness",t[t.Specular=12]="Specular",t[t.SpecularColor=13]="SpecularColor",t[t.Iridescence=14]="Iridescence",t[t.IridescenceThickness=15]="IridescenceThickness",t[t.Anisotropy=16]="Anisotropy"}(pv||(pv={}));class mv{constructor(t,e,i,n){this[sv]=null,this[av]={rotation:0,scale:new de(1,1),offset:new de(0,0)},this[ov]=!1,i&&(this[cv].rotation=i.rotation,this[cv].scale.copy(i.repeat),this[cv].offset.copy(i.offset),this[lv]=new rv(t,i)),this[dv]=t,this[hv]=n,this[uv]=e}get texture(){return this[lv]}setTexture(t){var e,i;const n=null!=t?t.source[Ff]:null,r=null===(e=this[lv])||void 0===e?void 0:e.source[Ff];if(null!=r&&r.isVideoTexture?this[Av]=!1:(null===(i=this[lv])||void 0===i?void 0:i.source.animation)&&this[lv].source.animation.removeEventListener("enterFrame",this[dv]),this[lv]=t,null!=n&&n.isVideoTexture){const t=n.image;if(this[Av]=!0,null!=t.requestVideoFrameCallback){const e=()=>{this[Av]&&(this[dv](),t.requestVideoFrameCallback(e))};t.requestVideoFrameCallback(e)}else{const t=()=>{this[Av]&&(this[dv](),requestAnimationFrame(t))};requestAnimationFrame(t)}}else null!=(null==t?void 0:t.source.animation)&&t.source.animation.addEventListener("enterFrame",this[dv]);let s=Lt;if(this[hv])for(const t of this[hv]){switch(this[uv]){case pv.Base:t.map=n;break;case pv.MetallicRoughness:s=Ut,t.metalnessMap=n,t.roughnessMap=n;break;case pv.Normal:s=Ut,t.normalMap=n;break;case pv.Occlusion:s=Ut,t.aoMap=n;break;case pv.Emissive:t.emissiveMap=n;break;case pv.Clearcoat:t.clearcoatMap=n;break;case pv.ClearcoatRoughness:t.clearcoatRoughnessMap=n;break;case pv.ClearcoatNormal:t.clearcoatNormalMap=n;break;case pv.SheenColor:t.sheenColorMap=n;break;case pv.SheenRoughness:t.sheenRoughnessMap=n;break;case pv.Transmission:t.transmissionMap=n;break;case pv.Thickness:t.thicknessMap=n;break;case pv.Specular:t.specularIntensityMap=n;break;case pv.SpecularColor:t.specularColorMap=n;break;case pv.Iridescence:t.iridescenceMap=n;break;case pv.IridescenceThickness:t.iridescenceThicknessMap=n;break;case pv.Anisotropy:t.anisotropyMap=n}t.needsUpdate=!0}n&&(n.colorSpace=s,n.rotation=this[cv].rotation,n.repeat=this[cv].scale,n.offset=this[cv].offset),this[dv]()}}sv=lv,av=cv,ov=Av;
870/* @license
871 * Copyright 2020 Google LLC. All Rights Reserved.
872 * Licensed under the Apache License, Version 2.0 (the 'License');
873 * you may not use this file except in compliance with the License.
874 * You may obtain a copy of the License at
875 *
876 *     http://www.apache.org/licenses/LICENSE-2.0
877 *
878 * Unless required by applicable law or agreed to in writing, software
879 * distributed under the License is distributed on an 'AS IS' BASIS,
880 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
881 * See the License for the specific language governing permissions and
882 * limitations under the License.
883 */
884const gv=Symbol("threeMaterial"),fv=Symbol("threeMaterials"),vv=Symbol("baseColorTexture"),_v=Symbol("metallicRoughnessTexture");class yv extends Lf{constructor(t,e){super(t,e);const{map:i,metalnessMap:n}=e.values().next().value;this[vv]=new mv(t,pv.Base,i,e),this[_v]=new mv(t,pv.MetallicRoughness,n,e)}get[fv](){return this[Rf]}get[gv](){var t;return null===(t=this[Rf])||void 0===t?void 0:t.values().next().value}get baseColorFactor(){const t=[0,0,0,this[gv].opacity];return this[gv].color.toArray(t),t}get metallicFactor(){return this[gv].metalness}get roughnessFactor(){return this[gv].roughness}get baseColorTexture(){return this[vv]}get metallicRoughnessTexture(){return this[_v]}setBaseColorFactor(t){const e=new an;t instanceof Array?e.fromArray(t):e.set(t);for(const i of this[fv])i.color.set(e),t instanceof Array&&t.length>3?i.opacity=t[3]:(t=[0,0,0,i.opacity],e.toArray(t));this[Df]()}setMetallicFactor(t){for(const e of this[fv])e.metalness=t;this[Df]()}setRoughnessFactor(t){for(const e of this[fv])e.roughness=t;this[Df]()}}
885/* @license
886 * Copyright 2020 Google LLC. All Rights Reserved.
887 * Licensed under the Apache License, Version 2.0 (the 'License');
888 * you may not use this file except in compliance with the License.
889 * You may obtain a copy of the License at
890 *
891 *     http://www.apache.org/licenses/LICENSE-2.0
892 *
893 * Unless required by applicable law or agreed to in writing, software
894 * distributed under the License is distributed on an 'AS IS' BASIS,
895 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
896 * See the License for the specific language governing permissions and
897 * limitations under the License.
898 */var Ev,xv;const Sv=Symbol("pbrMetallicRoughness"),Cv=Symbol("normalTexture"),Iv=Symbol("occlusionTexture"),Mv=Symbol("emissiveTexture"),wv=Symbol("backingThreeMaterial"),bv=Symbol("applyAlphaCutoff"),Tv=Symbol("getAlphaMode"),Bv=Symbol("lazyLoadGLTFInfo"),Rv=Symbol("initialize"),Dv=Symbol("getLoadedMaterial"),Lv=Symbol("ensureMaterialIsLoaded"),Uv=Symbol("gltfIndex"),Pv=Symbol("setActive"),Nv=Symbol("variantIndices"),Fv=Symbol("isActive"),Qv=Symbol("variantSet"),Ov=Symbol("modelVariants"),kv=Symbol("name"),Gv=Symbol("pbrTextures");class Hv extends Lf{constructor(t,e,i,n,r,s,a=void 0){super(t,r),this[Ev]=new Set,this[xv]=new Map,this[Uv]=e,this[Fv]=i,this[Ov]=n,this[kv]=s,null==a?this[Rv]():this[Bv]=a}

898get[(Ev=Qv,xv=Gv,wv)](){return this[Rf].values().next().value}[Rv](){const t=this[Df],e=this[Rf];this[Sv]=new yv(t,e);const{normalMap:i,aoMap:n,emissiveMap:r}=e.values().next().value;this[Cv]=new mv(t,pv.Normal,i,e),this[Iv]=new mv(t,pv.Occlusion,n,e),this[Mv]=new mv(t,pv.Emissive,r,e);const s=i=>{this[Gv].set(i,new mv(t,i,null,e))};s(pv.Clearcoat),s(pv.ClearcoatRoughness),s(pv.ClearcoatNormal),s(pv.SheenColor),s(pv.SheenRoughness),s(pv.Transmission),s(pv.Thickness),s(pv.Specular),s(pv.SpecularColor),s(pv.Iridescence),s(pv.IridescenceThickness),s(pv.Anisotropy)}async[Dv](){if(null!=this[Bv]){const{set:t,material:e}=await this[Bv].doLazyLoad();return this[Rf]=t,this[Rv](),this[Bv]=void 0,this.ensureLoaded=async()=>{},e}return this[Rf].values().next().value}colorFromRgb(t){const e=new an;return t instanceof Array?e.fromArray(t):e.set(t),e}[Lv](){if(null!=this[Bv])throw new Error(`Material "${this.name}" has not been loaded, call 'await\n    myMaterial.ensureLoaded()' before using an unloaded material.`)}async ensureLoaded(){await this[Dv]()}get isLoaded(){return null==this[Bv]}get isActive(){return this[Fv]}[Pv](t){this[Fv]=t}get name(){return this[kv]||""}set name(t){if(this[kv]=t,null!=this[Rf])for(const e of this[Rf])e.name=t}get pbrMetallicRoughness(){return this[Lv](),this[Sv]}get normalTexture(){return this[Lv](),this[Cv]}get occlusionTexture(){return this[Lv](),this[Iv]}get emissiveTexture(){return this[Lv](),this[Mv]}get emissiveFactor(){return this[Lv](),this[wv].emissive.toArray()}get index(){return this[Uv]}[Nv](){return this[Qv]}hasVariant(t){const e=this[Ov].get(t);return null!=e&&this[Qv].has(e.index)}setEmissiveFactor(t){this[Lv]();const e=this.colorFromRgb(t);for(const t of this[Rf])t.emissive.set(e);this[Df]()}[Tv](){return this[wv].transparent?"BLEND":this[wv].alphaTest>0?"MASK":"OPAQUE"}[bv](){this[Lv]();for(const t of this[Rf])"MASK"===this[Tv]()?null==t.alphaTest&&(t.alphaTest=.5):t.alphaTest=void 0,t.needsUpdate=!0}setAlphaCutoff(t){this[Lv]();for(const e of this[Rf])e.alphaTest=t,e.needsUpdate=!0;this[bv](),this[Df]()}getAlphaCutoff(){return this[Lv](),this[wv].alphaTest}setDoubleSided(t){this[Lv]();for(const e of this[Rf])e.side=t?c:o,e.needsUpdate=!0;this[Df]()}getDoubleSided(){return this[Lv](),this[wv].side==c}setAlphaMode(t){this[Lv]();const e=(t,e)=>{t.transparent=e,t.depthWrite=!e};for(const i of this[Rf])e(i,"BLEND"===t),i.alphaTest="MASK"===t?.5:void 0,i.needsUpdate=!0;this[Df]()}getAlphaMode(){return this[Lv](),this[Tv]()}get emissiveStrength(){return this[Lv](),this[wv].emissiveIntensity}setEmissiveStrength(t){this[Lv]();for(const e of this[Rf])e.emissiveIntensity=t;this[Df]()}get clearcoatFactor(){return this[Lv](),this[wv].clearcoat}get clearcoatRoughnessFactor(){return this[Lv](),this[wv].clearcoatRoughness}get clearcoatTexture(){return this[Lv](),this[Gv].get(pv.Clearcoat)}get clearcoatRoughnessTexture(){return this[Lv](),this[Gv].get(pv.ClearcoatRoughness)}get clearcoatNormalTexture(){return this[Lv](),this[Gv].get(pv.ClearcoatNormal)}get clearcoatNormalScale(){return this[Lv](),this[wv].clearcoatNormalScale.x}setClearcoatFactor(t){this[Lv]();for(const e of this[Rf])e.clearcoat=t;this[Df]()}setClearcoatRoughnessFactor(t){this[Lv]();for(const e of this[Rf])e.clearcoatRoughness=t;this[Df]()}setClearcoatNormalScale(t){this[Lv]();for(const e of this[Rf])e.clearcoatNormalScale=new de(t,t);this[Df]()}get ior(){return this[Lv](),this[wv].ior}setIor(t){this[Lv]();for(const e of this[Rf])e.ior=t;this[Df]()}get sheenColorFactor(){return this[Lv](),this[wv].sheenColor.toArray()}get sheenColorTexture(){return this[Lv](),this[Gv].get(pv.SheenColor)}get sheenRoughnessFactor(){return this[Lv](),this[wv].sheenRoughness}get sheenRoughnessTexture(){return this[Lv](),this[Gv].get(pv.SheenRoughness)}setSheenColorFactor(t){this[Lv]();const e=this.colorFromRgb(t);for(const t of this[Rf])t.sheenColor.set(e),t.sheen=1;this[Df]()}setSheenRoughnessFactor(t){this[Lv]();for(const e of this[Rf])e.sheenRoughness=t,e.sheen=1;this[Df]()}get transmissionFactor(){return this[Lv](),this[wv].transmission}get transmissionTexture(){return this[Lv](),this[Gv].get(pv.Transmission)}setTransmissionFactor(t){this[Lv]();for(const e of this[Rf])e.transmission=t;this[Df]()}get thicknessFactor(){return this[Lv](),this[wv].thickness}get thicknessTexture(){return this[Lv](),this[Gv].get(pv.Thickness)}get attenuationDistance(){return this[Lv](),this[wv].attenuationDistance}get attenuationColor(){return this[Lv](),this[wv].attenuationColor.toArray()}setThicknessFactor(t){this[Lv]();for(const e of this[Rf])e.thickness=t;this[Df]()}setAttenuationDistance(t){this[Lv]();for(const e of this[Rf])e.attenuationDistance=t;this[Df]()}setAttenuationColor(t){this[Lv]();const e=this.colorFromRgb(t);for(const t of this[Rf])t.attenuationColor.set(e);this[Df]()}get specularFactor(){return this[Lv](),this[wv].specularIntensity}get specularTexture(){return this[Lv](),this[Gv].get(pv.Specular)}get specularColorFactor(){return this[Lv](),this[wv].specularColor.toArray()}get specularColorTexture(){return this[Lv](),this[Gv].get(pv.SheenColor)}setSpecularFactor(t){this[Lv]();for(const e of this[Rf])e.specularIntensity=t;this[Df]()}setSpecularColorFactor(t){this[Lv]();const e=this.colorFromRgb(t);for(const t of this[Rf])t.specularColor.set(e);this[Df]()}get iridescenceFactor(){return this[Lv](),this[wv].iridescence}get iridescenceTexture(){return this[Lv](),this[Gv].get(pv.Iridescence)}get iridescenceIor(){return this[Lv](),this[wv].iridescenceIOR}get iridescenceThicknessMinimum(){return this[Lv](),this[wv].iridescenceThicknessRange[0]}get iridescenceThicknessMaximum(){return this[Lv](),this[wv].iridescenceThicknessRange[1]}get iridescenceThicknessTexture(){return this[Lv](),this[Gv].get(pv.IridescenceThickness)}setIridescenceFactor(t){this[Lv]();for(const e of this[Rf])e.iridescence=t;this[Df]()}setIridescenceIor(t){this[Lv]();for(const e of this[Rf])e.iridescenceIOR=t;this[Df]()}setIridescenceThicknessMinimum(t){this[Lv]();for(const e of this[Rf])e.iridescenceThicknessRange[0]=t;this[Df]()}setIridescenceThicknessMaximum(t){this[Lv]();for(const e of this[Rf])e.iridescenceThicknessRange[1]=t;this[Df]()}get anisotropyStrength(){return this[Lv](),this[wv].anisotropy}get anisotropyRotation(){return this[Lv](),this[wv].anisotropyRotation}get anisotropyTexture(){return this[Lv](),this[Gv].get(pv.Anisotropy)}setAnisotropyStrength(t){this[Lv]();for(const e of this[Rf])e.anisotropy=t;this[Df]()}setAnisotropyRotation(t){this[Lv]();for(const e of this[Rf])e.anisotropyRotation=t;this[Df]()}}class zv{constructor(t){this.name="",this.children=new Array,this.name=t}}class Vv extends zv{constructor(t,e,i,n){super(t.name),this.materials=new Map,this.variantToMaterialMap=new Map,this.initialMaterialIdx=0,this.activeMaterialIdx=0,this.mesh=t;const{gltf:r,threeGLTF:s,threeObjectMap:a}=n;this.parser=s.parser,this.modelVariants=i,this.mesh.userData.variantData=i;const o=a.get(t.material);null!=o.materials?this.initialMaterialIdx=this.activeMaterialIdx=o.materials:console.error(`Primitive (${t.name}) missing initial material reference.`);const l=t.userData.associations||{};if(null==l.meshes)return void console.error("Mesh is missing primitive index association");const c=((r.meshes||[])[l.meshes].primitives||[])[l.primitives];if(null!=c){if(null!=c.material)this.materials.set(c.material,e[c.material]);else{const t=e.findIndex((t=>"Default"===t.name));t>=0?this.materials.set(t,e[t]):console.warn("gltfPrimitive has no material!")}if(c.extensions&&c.extensions.KHR_materials_variants){const t=c.extensions.KHR_materials_variants,n=s.parser.json.extensions.KHR_materials_variants.variants;for(const r of t.mappings){const t=e[r.material];this.materials.set(r.material,t);for(const e of r.variants){const{name:r}=n[e];this.variantToMaterialMap.set(e,t),t[Nv]().add(e),i.has(r)||i.set(r,{name:r,index:e})}}}}else console.error("Mesh primitive definition is missing.")}async setActiveMaterial(t){const e=this.materials.get(t);if(null!=e&&t!==this.activeMaterialIdx){this.mesh.material=await e[Dv]();const{normalScale:i}=this.mesh.material;null!=i&&i.y*i.x<0!=(null==this.mesh.geometry.attributes.tangent)&&this.parser.assignFinalMaterial(this.mesh),this.activeMaterialIdx=t}return this.mesh.material}getActiveMaterial(){return this.materials.get(this.activeMaterialIdx)}getMaterial(t){return this.materials.get(t)}async enableVariant(t){if(null==t)return this.setActiveMaterial(this.initialMaterialIdx);if(null!=this.variantToMaterialMap&&this.modelVariants.has(t)){const e=this.modelVariants.get(t);return this.enableVariantHelper(e.index)}return null}async enableVariantHelper(t){if(null!=this.variantToMaterialMap&&null!=t){const e=this.variantToMaterialMap.get(t);if(null!=e)return this.setActiveMaterial(e.index)}return null}async instantiateVariants(){if(null!=this.variantToMaterialMap)for(const t of this.variantToMaterialMap.keys()){const e=this.mesh.userData.variantMaterials.get(t);if(null!=e.material)continue;const i=await this.enableVariantHelper(t);null!=i&&(e.material=i)}}get variantInfo(){return this.variantToMaterialMap}addVariant(t,e){if(!this.ensureVariantIsUnused(e))return!1;this.modelVariants.has(e)||this.modelVariants.set(e,{name:e,index:this.modelVariants.size});const i=this.modelVariants.get(e).index;return t[Nv]().add(i),this.variantToMaterialMap.set(i,t),this.materials.set(t.index,t),this.updateVariantUserData(i,t),!0}deleteVariant(t){if(this.variantInfo.has(t)){this.variantInfo.delete(t);const e=this.mesh.userData.variantMaterials;null!=e&&e.delete(t)}}updateVariantUserData(t,e){e[Nv]().add(t),this.mesh.userData.variantData=this.modelVariants,this.mesh.userData.variantMaterials=this.mesh.userData.variantMaterials||new Map;this.mesh.userData.variantMaterials.set(t,{material:e[Rf].values().next().value,gltfMaterialIndex:e.index})}ensureVariantIsUnused(t){const e=this.modelVariants.get(t);return null==e||!this.variantInfo.has(e.index)||(console.warn(`Primitive cannot add variant '${t}' for this material, it already exists.`),!1)}}
899/* @license
900 * Copyright 2020 Google LLC. All Rights Reserved.
901 * Licensed under the Apache License, Version 2.0 (the 'License');
902 * you may not use this file except in compliance with the License.
903 * You may obtain a copy of the License at
904 *
905 *     http://www.apache.org/licenses/LICENSE-2.0
906 *
907 * Unless required by applicable law or agreed to in writing, software
908 * distributed under the License is distributed on an 'AS IS' BASIS,
909 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
910 * See the License for the specific language governing permissions and
911 * limitations under the License.
912 */var Wv,qv,Xv,jv,Yv,Kv;const Jv=Symbol("materials"),$v=Symbol("hierarchy"),Zv=Symbol("roots"),t_=Symbol("primitives"),e_=Symbol("prepareVariantsForExport"),i_=Symbol("switchVariant"),n_=Symbol("materialFromPoint"),r_=Symbol("nodeFromPoint"),s_=Symbol("nodeFromIndex"),a_=Symbol("variantData"),o_=Symbol("availableVariants"),l_=Symbol("modelOnUpdate"),c_=Symbol("cloneMaterial");class h_{constructor(t,e,i,n){this.gltf=t,this.gltfElementMap=e,this.mapKey=i,this.doLazyLoad=n}}class u_{constructor(t,e=(()=>{})){this[Wv]=new Array,this[qv]=new Array,this[Xv]=new Array,this[jv]=new Array,this[Yv]=()=>{},this[Kv]=new Map,this[l_]=e;const{gltf:i,threeGLTF:n,gltfElementMap:r}=t;for(const[t,s]of i.materials.entries()){const a=r.get(s);if(null!=a)this[Jv].push(new Hv(e,t,!0,this[a_],a,s.name));else{const o=(i.materials||[])[t],l=t,c=async()=>{const t=await n.parser.getDependency("material",l),e=new Set;return r.set(o,e),e.add(t),{set:e,material:t}};this[Jv].push(new Hv(e,t,!1,this[a_],a,s.name,new h_(i,r,o,c)))}}const s=new Map,a=new Array;for(const t of n.scene.children)a.push(t);for(;a.length>0;){const e=a.pop();let i=null;e instanceof Wn?(i=new Vv(e,this.materials,this[a_],t),this[t_].push(i)):i=new zv(e.name);const n=s.get(e);null!=n?n.children.push(i):this[Zv].push(i),this[$v].push(i);for(const t of e.children)a.push(t),s.set(e,i)}}get materials(){return this[Jv]}[(Wv=Jv,qv=$v,Xv=Zv,jv=t_,Yv=l_,Kv=a_,o_)](){const t=Array.from(this[a_].values());return t.sort(((t,e)=>t.index-e.index)),t.map((t=>t.name))}getMaterialByName(t){const e=this[Jv].filter((e=>e.name===t));return e.length>0?e[0]:null}[s_](t,e){const i=this[$v].find((i=>{if(i instanceof Vv){const{meshes:n,primitives:r}=i.mesh.userData.associations;if(n==t&&r==e)return!0}return!1}));return null==i?null:i}[r_](t){return this[$v].find((e=>{if(e instanceof Vv){if(e.mesh===t.object)return!0}return!1}))}[n_](t){return this[r_](t).getActiveMaterial()}async[i_](t){for(const e of this[t_])await e.enableVariant(t);for(const t of this.materials)t[Pv](!1);for(const t of this[t_])this.materials[t.getActiveMaterial().index][Pv](!0)}async[e_](){const t=new Array;for(const e of this[t_])t.push(e.instantiateVariants());await Promise.all(t)}[c_](t,e){const i=this.materials[t];i.isLoaded||console.error("Cloning an unloaded material,\n           call 'material.ensureLoaded() before cloning the material.");const n=i[Rf],r=new Set;for(const[t,i]of n.entries()){const s=i.clone();s.name=e+(n.size>1?"_inst"+t:""),r.add(s)}const s=new Hv(this[l_],this[Jv].length,!1,this[a_],r,e);return this[Jv].push(s),s}createMaterialInstanceForVariant(t,e,i,n=!0){let r=null;for(const n of this[t_]){const s=this[a_].get(i);null!=s&&n.variantInfo.has(s.index)||null!=n.getMaterial(t)&&(this.hasVariant(i)||this.createVariant(i),null==r&&(r=this[c_](t,e)),n.addVariant(r,i))}if(n&&null!=r){r[Pv](!0),this.materials[t][Pv](!1);for(const t of this[t_])t.enableVariant(i)}return r}createVariant(t){this[a_].has(t)?console.warn(`Variant '${t}'' already exists`):this[a_].set(t,{name:t,index:this[a_].size})}hasVariant(t){return this[a_].has(t)}setMaterialToVariant(t,e){if(null!=this[o_]().find((t=>t===e)))if(t<0||t>=this.materials.length)console.error("setMaterialToVariant(): materialIndex is out of bounds.");else for(const i of this[t_]){const n=i.getMaterial(t);null!=n&&i.addVariant(n,e)}else console.warn(`Can't add material to '${e}', the variant does not exist.'`)}updateVariantName(t,e){const i=this[a_].get(t);null!=i&&(i.name=e,this[a_].set(e,i),this[a_].delete(t))}deleteVariant(t){const e=this[a_].get(t);if(null!=e){for(const i of this.materials)i.hasVariant(t)&&i[Qv].delete(e.index);for(const t of this[t_])t.deleteVariant(e.index);this[a_].delete(t)}}}
913/* @license
914 * Copyright 2020 Google LLC. All Rights Reserved.
915 * Licensed under the Apache License, Version 2.0 (the 'License');

916 * you may not use this file except in compliance with the License.
917 * You may obtain a copy of the License at
918 *
919 *     http://www.apache.org/licenses/LICENSE-2.0
920 *
921 * Unless required by applicable law or agreed to in writing, software
922 * distributed under the License is distributed on an 'AS IS' BASIS,
923 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
924 * See the License for the specific language governing permissions and
925 * limitations under the License.
926 */var d_=function(t,e,i,n){for(var r,s=arguments.length,a=s<3?e:null===n?n=Object.getOwnPropertyDescriptor(e,i):n,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,i,a):r(e,i))||a);return s>3&&a&&Object.defineProperty(e,i,a),a};const A_=Symbol("currentGLTF"),p_=Symbol("originalGltfJson"),m_=Symbol("model"),g_=Symbol("getOnUpdateMethod"),f_=Symbol("buildTexture");
927/* @license
928 * Copyright 2023 Google LLC. All Rights Reserved.
929 * Licensed under the Apache License, Version 2.0 (the 'License');
930 * you may not use this file except in compliance with the License.
931 * You may obtain a copy of the License at
932 *
933 *     http://www.apache.org/licenses/LICENSE-2.0
934 *
935 * Unless required by applicable law or agreed to in writing, software
936 * distributed under the License is distributed on an 'AS IS' BASIS,
937 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
938 * See the License for the specific language governing permissions and
939 * limitations under the License.
940 */
941class v_ extends Wn{constructor(){super(void 0,new hn({depthWrite:!1})),this.height=0,this.radius=0,this.resolution=0,this.userData.noHit=!0}get map(){return this.material.map}set map(t){this.material.map=t}isUsable(){return this.height>0&&this.radius>0&&null!=this.geometry&&null!=this.map}updateGeometry(t=this.height,e=this.radius,i=128){t==this.height&&e==this.radius&&i==this.resolution||(this.height=t,this.radius=e,this.resolution=i,t>0&&e>0&&(this.geometry.dispose(),this.geometry=function(t,e,i){const n=new el(e,2*i,i);n.scale(1,1,-1);const r=n.getAttribute("position"),s=new ke;for(let e=0;e<r.count;++e)if(s.fromBufferAttribute(r,e),s.y<0){const i=3*-t/2,n=s.y<i?-t/s.y:1-s.y*s.y/(3*i*i);s.multiplyScalar(n),s.toArray(r.array,3*e)}return r.needsUpdate=!0,n}
942/* @license
943 * Copyright 2020 Google LLC. All Rights Reserved.
944 * Licensed under the Apache License, Version 2.0 (the 'License');
945 * you may not use this file except in compliance with the License.
946 * You may obtain a copy of the License at
947 *
948 *     http://www.apache.org/licenses/LICENSE-2.0
949 *
950 * Unless required by applicable law or agreed to in writing, software
951 * distributed under the License is distributed on an 'AS IS' BASIS,
952 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
953 * See the License for the specific language governing permissions and
954 * limitations under the License.
955 */(t,e,i)))}}const __=new ke,y_=new ke,E_=new ke,x_=new Ae,S_=new tn,C_=new Oe;class I_ extends uA{constructor(t){super(document.createElement("div")),this.normal=new ke(0,1,0),this.initialized=!1,this.referenceCount=1,this.pivot=document.createElement("div"),this.slot=document.createElement("slot"),this.element.classList.add("annotation-wrapper"),this.slot.name=t.name,this.element.appendChild(this.pivot),this.pivot.appendChild(this.slot),this.updatePosition(t.position),this.updateNormal(t.normal),this.surface=t.surface}get facingCamera(){return!this.element.classList.contains("hide")}show(){this.facingCamera&&this.initialized||this.updateVisibility(!0)}hide(){!this.facingCamera&&this.initialized||this.updateVisibility(!1)}increment(){this.referenceCount++}decrement(){return this.referenceCount>0&&--this.referenceCount,0===this.referenceCount}updatePosition(t){if(null==t)return;const e=Bp(t)[0].terms;for(let t=0;t<3;++t)this.position.setComponent(t,Gp(e[t]).number);this.updateMatrixWorld()}updateNormal(t){if(null==t)return;const e=Bp(t)[0].terms;for(let t=0;t<3;++t)this.normal.setComponent(t,e[t].number)}updateSurface(t){if(!t&&this.initialized)return;const{mesh:e,tri:i,bary:n}=this;if(null==e||null==i||null==n)return;e.getVertexPosition(i.x,__),e.getVertexPosition(i.y,y_),e.getVertexPosition(i.z,E_),__.toArray(x_.elements,0),y_.toArray(x_.elements,3),E_.toArray(x_.elements,6),this.position.copy(n).applyMatrix3(x_);const r=this.parent;r.worldToLocal(e.localToWorld(this.position)),S_.set(__,y_,E_),S_.getNormal(this.normal).transformDirection(e.matrixWorld);const s=r.parent;C_.setFromAxisAngle(__.set(0,1,0),-s.yaw),this.normal.applyQuaternion(C_)}orient(t){this.pivot.style.transform=`rotate(${t}rad)`}updateVisibility(t){this.element.classList.toggle("hide",!t),this.slot.assignedNodes().forEach((e=>{if(e.nodeType!==Node.ELEMENT_NODE)return;const i=e,n=i.dataset.visibilityAttribute;if(null!=n){const e=`data-${n}`;i.toggleAttribute(e,t)}i.dispatchEvent(new CustomEvent("hotspot-visibility",{detail:{visible:t}}))})),this.initialized=!0}}const M_={name:"HorizontalBlurShader",uniforms:{tDiffuse:{value:null},h:{value:1/512}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",fragmentShader:"\n\n\t\tuniform sampler2D tDiffuse;\n\t\tuniform float h;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 sum = vec4( 0.0 );\n\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 4.0 * h, vUv.y ) ) * 0.051;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 3.0 * h, vUv.y ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 2.0 * h, vUv.y ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 1.0 * h, vUv.y ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y ) ) * 0.1633;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 1.0 * h, vUv.y ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 2.0 * h, vUv.y ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 3.0 * h, vUv.y ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 4.0 * h, vUv.y ) ) * 0.051;\n\n\t\t\tgl_FragColor = sum;\n\n\t\t}"},w_={name:"VerticalBlurShader",uniforms:{tDiffuse:{value:null},v:{value:1/512}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",fragmentShader:"\n\n\t\tuniform sampler2D tDiffuse;\n\t\tuniform float v;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 sum = vec4( 0.0 );\n\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 4.0 * v ) ) * 0.051;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 3.0 * v ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 2.0 * v ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 1.0 * v ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y ) ) * 0.1633;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 1.0 * v ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 2.0 * v ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 3.0 * v ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 4.0 * v ) ) * 0.051;\n\n\t\t\tgl_FragColor = sum;\n\n\t\t}"};function b_(t,e,i){return(1-i)*t+i*e}
956/* @license
957 * Copyright 2022 Google LLC. All Rights Reserved.
958 * Licensed under the Apache License, Version 2.0 (the 'License');
959 * you may not use this file except in compliance with the License.
960 * You may obtain a copy of the License at
961 *
962 *     http://www.apache.org/licenses/LICENSE-2.0
963 *
964 * Unless required by applicable law or agreed to in writing, software
965 * distributed under the License is distributed on an 'AS IS' BASIS,
966 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
967 * See the License for the specific language governing permissions and
968 * limitations under the License.
969 */class T_ extends zi{constructor(t,e,i){super(),this.camera=new Br,this.renderTarget=null,this.renderTargetBlur=null,this.depthMaterial=new ka,this.horizontalBlurMaterial=new $n(M_),this.verticalBlurMaterial=new $n(w_),this.intensity=0,this.softness=1,this.boundingBox=new ze,this.size=new ke,this.maxDimension=0,this.isAnimated=!1,this.needsUpdate=!1;const{camera:n}=this;n.rotation.x=Math.PI/2,n.left=-.5,n.right=.5,n.bottom=-.5,n.top=.5,this.add(n);const r=new fr,s=new hn({opacity:1,transparent:!0,side:l});this.floor=new Wn(r,s),this.floor.userData.noHit=!0,n.add(this.floor),this.blurPlane=new Wn(r),this.blurPlane.visible=!1,n.add(this.blurPlane),t.target.add(this),this.depthMaterial.onBeforeCompile=function(t){t.fragmentShader=t.fragmentShader.replace("gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );","gl_FragColor = vec4( vec3( 0.0 ), ( 1.0 - fragCoordZ ) * opacity );")},this.horizontalBlurMaterial.depthTest=!1,this.verticalBlurMaterial.depthTest=!1,this.setScene(t,e,i)}setScene(t,e,i){const{boundingBox:n,size:r,rotation:s,position:a}=this;if(this.isAnimated=t.animationNames.length>0,this.boundingBox.copy(t.boundingBox),this.size.copy(t.size),this.maxDimension=Math.max(r.x,r.y,r.z)*(this.isAnimated?2:1),this.boundingBox.getCenter(a),"back"===i){const{min:t,max:e}=n;[t.y,t.z]=[t.z,t.y],[e.y,e.z]=[e.z,e.y],[r.y,r.z]=[r.z,r.y],s.x=Math.PI/2,s.y=Math.PI}else s.x=0,s.y=0;if(this.isAnimated){const t=n.min.y,e=n.max.y;r.y=this.maxDimension,n.expandByVector(r.subScalar(this.maxDimension).multiplyScalar(-.5)),n.min.y=t,n.max.y=e,r.set(this.maxDimension,e-t,this.maxDimension)}"bottom"===i?a.y=n.min.y:a.z=n.min.y,this.setSoftness(e)}setSoftness(t){this.softness=t;const{size:e,camera:i}=this,n=this.isAnimated?2:1,r=n*Math.pow(2,9-3*t);this.setMapSize(r);const s=e.y/2,a=e.y*n;i.near=0,i.far=b_(a,s,t),this.depthMaterial.opacity=1/t,i.updateProjectionMatrix(),this.setIntensity(this.intensity),this.setOffset(0)}setMapSize(t){const{size:e}=this;this.isAnimated&&(t*=2);const i=Math.floor(e.x>e.z?t:t*e.x/e.z),n=Math.floor(e.x>e.z?t*e.z/e.x:t),r=10+i,s=10+n;if(null==this.renderTarget||this.renderTarget.width===r&&this.renderTarget.height===s||(this.renderTarget.dispose(),this.renderTarget=null,this.renderTargetBlur.dispose(),this.renderTargetBlur=null),null==this.renderTarget){const t={format:at};this.renderTarget=new Ne(r,s,t),this.renderTargetBlur=new Ne(r,s,t),this.floor.material.map=this.renderTarget.texture}this.camera.scale.set(e.x*(1+10/i),e.z*(1+10/n),1),this.needsUpdate=!0}setIntensity(t){this.intensity=t,t>0?(this.visible=!0,this.floor.visible=!0,this.floor.material.opacity=t*b_(.3,1,this.softness*this.softness)):(this.visible=!1,this.floor.visible=!1)}getIntensity(){return this.intensity}setOffset(t){this.floor.position.z=-t+this.gap()}gap(){return.001*this.maxDimension}render(t,e){e.overrideMaterial=this.depthMaterial;const i=t.getClearAlpha();t.setClearAlpha(0),this.floor.visible=!1;const n=t.xr.enabled;t.xr.enabled=!1;const r=t.getRenderTarget();t.setRenderTarget(this.renderTarget),t.render(e,this.camera),e.overrideMaterial=null,this.floor.visible=!0,this.blurShadow(t),t.xr.enabled=n,t.setRenderTarget(r),t.setClearAlpha(i)}blurShadow(t){const{camera:e,horizontalBlurMaterial:i,verticalBlurMaterial:n,renderTarget:r,renderTargetBlur:s,blurPlane:a}=this;a.visible=!0,a.material=i,i.uniforms.h.value=1/this.renderTarget.width,i.uniforms.tDiffuse.value=this.renderTarget.texture,t.setRenderTarget(s),t.render(a,e),a.material=n,n.uniforms.v.value=1/this.renderTarget.height,n.uniforms.tDiffuse.value=this.renderTargetBlur.texture,t.setRenderTarget(r),t.render(a,e),a.visible=!1}dispose(){null!=this.renderTarget&&this.renderTarget.dispose(),null!=this.renderTargetBlur&&this.renderTargetBlur.dispose(),this.depthMaterial.dispose(),this.horizontalBlurMaterial.dispose(),this.verticalBlurMaterial.dispose(),this.floor.material.dispose(),this.floor.geometry.dispose(),this.blurPlane.geometry.dispose(),this.removeFromParent()}}
970/* @license
971 * Copyright 2019 Google LLC. All Rights Reserved.
972 * Licensed under the Apache License, Version 2.0 (the 'License');
973 * you may not use this file except in compliance with the License.
974 * You may obtain a copy of the License at
975 *
976 *     http://www.apache.org/licenses/LICENSE-2.0
977 *
978 * Unless required by applicable law or agreed to in writing, software
979 * distributed under the License is distributed on an 'AS IS' BASIS,
980 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
981 * See the License for the specific language governing permissions and
982 * limitations under the License.
983 */const B_=new ke,R_=new ke,D_=new ke,L_=new class{constructor(t,e,i=0,n=1/0){this.ray=new mi(t,e),this.near=i,this.far=n,this.camera=null,this.layers=new wi,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):console.error("THREE.Raycaster: Unsupported camera type: "+e.type)}setFromXRController(t){return lc.identity().extractRotation(t.matrixWorld),this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(0,0,-1).applyMatrix4(lc),this}intersectObject(t,e=!0,i=[]){return hc(t,this,i,e),i.sort(cc),i}intersectObjects(t,e=!0,i=[]){for(let n=0,r=t.length;n<r;n++)hc(t[n],this,i,e);return i.sort(cc),i}},U_=new ke,P_=new de;class N_ extends no{constructor({canvas:t,element:e,width:i,height:n}){super(),this.annotationRenderer=new fA,this.effectRenderer=null,this.schemaElement=document.createElement("script"),this.width=1,this.height=1,this.aspect=1,this.scaleStep=0,this.renderCount=0,this.externalRenderer=null,this.camera=new nr(45,1,.1,100),this.xrCamera=null,this.url=null,this.target=new zi,this.animationNames=[],this.boundingBox=new ze,this.boundingSphere=new oi,this.size=new ke,this.idealAspect=0,this.framedFoVDeg=0,this.shadow=null,this.shadowIntensity=0,this.shadowSoftness=1,this.bakedShadows=new Set,this.exposure=1,this.toneMapping=P,this.canScale=!0,this.isDirty=!1,this.goalTarget=new ke,this.targetDamperX=new Sp,this.targetDamperY=new Sp,this.targetDamperZ=new Sp,this._currentGLTF=null,this._model=null,this.cancelPendingSourceChange=null,this.animationsByName=new Map,this.currentAnimationAction=null,this.groundedSkybox=new v_,this.name="ModelScene",this.element=e,this.canvas=t,this.camera=new nr(45,1,.1,100),this.camera.name="MainCamera",this.add(this.target),this.setSize(i,n),this.target.name="Target",this.mixer=new ac(this.target);const{domElement:r}=this.annotationRenderer,{style:s}=r;s.display="none",s.pointerEvents="none",s.position="absolute",s.top="0",this.element.shadowRoot.querySelector(".default").appendChild(r),this.schemaElement.setAttribute("type","application/ld+json")}get context(){return this.canvas.getContext("2d")}getCamera(){return null!=this.xrCamera?this.xrCamera:this.camera}queueRender(){this.isDirty=!0}shouldRender(){return this.isDirty}hasRendered(){this.isDirty=!1}forceRescale(){this.scaleStep=-1,this.queueRender()}async setObject(t){this.reset(),this._model=t,this.target.add(t),await this.setupScene()}async setSource(t,e=(()=>{})){if(!t||t===this.url)return void e(1);if(this.reset(),this.url=t,null!=this.externalRenderer){const t=await this.externalRenderer.load(e);return this.boundingSphere.radius=t.framedRadius,void(this.idealAspect=t.fieldOfViewAspect)}let i;null!=this.cancelPendingSourceChange&&(this.cancelPendingSourceChange(),this.cancelPendingSourceChange=null);try{i=await new Promise((async(i,n)=>{this.cancelPendingSourceChange=()=>n();try{i(await this.element[wy].loader.load(t,this.element,e))}catch(t){n(t)}}))}catch(t){if(null==t)return;throw t}this.cancelPendingSourceChange=null,this.reset(),this.url=t,this._currentGLTF=i,null!=i&&(this._model=i.scene,this.target.add(i.scene));const{animations:n}=i,r=new Map,s=[];for(const t of n)r.set(t.name,t),s.push(t.name);this.animations=n,this.animationsByName=r,this.animationNames=s,await this.setupScene()}async setupScene(){this.applyTransform(),this.updateBoundingBox(),await this.updateFraming(),this.updateShadow(),this.setShadowIntensity(this.shadowIntensity),this.setGroundedSkybox()}reset(){this.url=null,this.renderCount=0,this.queueRender(),null!=this.shadow&&this.shadow.setIntensity(0),this.bakedShadows.clear();const{_model:t}=this;null!=t&&(t.removeFromParent(),this._model=null);const e=this._currentGLTF;null!=e&&(e.dispose(),this._currentGLTF=null),null!=this.currentAnimationAction&&(this.currentAnimationAction.stop(),this.currentAnimationAction=null),this.mixer.stopAllAction(),this.mixer.uncacheRoot(this)}dispose(){this.reset(),null!=this.shadow&&(this.shadow.dispose(),this.shadow=null),this.element[A_]=null,this.element[p_]=null,this.element[m_]=null}get currentGLTF(){return this._currentGLTF}setSize(t,e){if(this.width!==t||this.height!==e){if(this.width=Math.max(t,1),this.height=Math.max(e,1),this.annotationRenderer.setSize(t,e),this.aspect=this.width/this.height,null!=this.externalRenderer){const i=Kh();this.externalRenderer.resize(t*i,e*i)}this.queueRender()}}markBakedShadow(t){t.userData.noHit=!0,this.bakedShadows.add(t)}unmarkBakedShadow(t){t.userData.noHit=!1,t.visible=!0,this.bakedShadows.delete(t),this.boundingBox.expandByObject(t)}findBakedShadows(t){const e=new ze;t.traverse((t=>{const i=t;if(!i.material)return;if(!i.material.transparent)return;e.setFromObject(i);const n=e.getSize(U_),r=Math.min(n.x,n.y,n.z);Math.max(n.x,n.y,n.z)<100*r||this.markBakedShadow(i)}))}checkBakedShadows(){const{min:t,max:e}=this.boundingBox,i=new ze;this.boundingBox.getSize(this.size);for(const n of this.bakedShadows)i.setFromObject(n),i.min.y<t.y+this.size.y/100&&i.min.x<=t.x&&i.max.x>=e.x&&i.min.z<=t.z&&i.max.z>=e.z||i.min.z<t.z+this.size.z/100&&i.min.x<=t.x&&i.max.x>=e.x&&i.min.y<=t.y&&i.max.y>=e.y||this.unmarkBakedShadow(n)}applyTransform(){const{model:t}=this;if(null==t)return;const e=Bp(this.element.orientation)[0].terms,i=Gp(e[0]).number,n=Gp(e[1]).number,r=Gp(e[2]).number;t.quaternion.setFromEuler(new Mi(n,r,i,"YXZ"));const s=Bp(this.element.scale)[0].terms;t.scale.set(s[0].number,s[1].number,s[2].number)}updateBoundingBox(){const{model:t}=this;if(null==t)return;this.target.remove(t),this.findBakedShadows(t);const e=(t,e)=>t.expandByPoint(e);this.setBakedShadowVisibility(!1),this.boundingBox=vA(t,e,new ze),this.boundingBox.isEmpty()&&(this.setBakedShadowVisibility(!0),this.bakedShadows.forEach((t=>this.unmarkBakedShadow(t))),this.boundingBox=vA(t,e,new ze)),this.checkBakedShadows(),this.setBakedShadowVisibility(),this.boundingBox.getSize(this.size),this.target.add(t)}async updateFraming(){const{model:t}=this;if(null==t)return;this.target.remove(t),this.setBakedShadowVisibility(!1);const{center:e}=this.boundingSphere;this.element.requestUpdate("cameraTarget"),await this.element.updateComplete,e.copy(this.getTarget());this.boundingSphere.radius=Math.sqrt(vA(t,((t,i)=>Math.max(t,e.distanceToSquared(i))),0));this.idealAspect=vA(t,((t,i)=>{i.sub(e);const n=Math.sqrt(i.x*i.x+i.z*i.z);return Math.max(t,n/(this.idealCameraDistance()-Math.abs(i.y)))}),0)/Math.tan(this.framedFoVDeg/2*Math.PI/180),this.setBakedShadowVisibility(),this.target.add(t)}setBakedShadowVisibility(t=this.shadowIntensity<=0){for(const e of this.bakedShadows)e.visible=t}idealCameraDistance(){const t=this.framedFoVDeg/2*Math.PI/180;return this.boundingSphere.radius/Math.sin(t)}adjustedFoV(t){const e=Math.tan(t/2*Math.PI/180)*Math.max(1,this.idealAspect/this.aspect);return 2*Math.atan(e)*180/Math.PI}getNDC(t,e){if(null!=this.xrCamera)P_.set(t/window.screen.width,e/window.screen.height);else{const i=this.element.getBoundingClientRect();P_.set((t-i.x)/this.width,(e-i.y)/this.height)}return P_.multiplyScalar(2).subScalar(1),P_.y*=-1,P_}getSize(){return{width:this.width,height:this.height}}setEnvironmentAndSkybox(t,e){this.element[wy].arRenderer.presentedScene!==this&&(this.environment=t,this.setBackground(e),this.queueRender())}setBackground(t){this.groundedSkybox.map=t,this.groundedSkybox.isUsable()?(this.target.add(this.groundedSkybox),this.background=null):(this.target.remove(this.groundedSkybox),this.background=t)}farRadius(){return this.boundingSphere.radius*(null!=this.groundedSkybox.parent?10:1)}setGroundedSkybox(){const t=Bp(this.element.skyboxHeight)[0].terms[0],e=Gp(t).number,i=10*this.boundingSphere.radius;this.groundedSkybox.updateGeometry(e,i),this.groundedSkybox.position.y=e-(this.shadow?2*this.shadow.gap():0),this.setBackgroun

983d(this.groundedSkybox.map)}setTarget(t,e,i){this.goalTarget.set(-t,-e,-i)}setTargetDamperDecayTime(t){this.targetDamperX.setDecayTime(t),this.targetDamperY.setDecayTime(t),this.targetDamperZ.setDecayTime(t)}getTarget(){return this.goalTarget.clone().multiplyScalar(-1)}jumpToGoal(){this.updateTarget(1e4)}updateTarget(t){const e=this.goalTarget,i=this.target.position;if(e.equals(i))return!1;{const n=this.boundingSphere.radius/10;let{x:r,y:s,z:a}=i;return r=this.targetDamperX.update(r,e.x,t,n),s=this.targetDamperY.update(s,e.y,t,n),a=this.targetDamperZ.update(a,e.z,t,n),this.groundedSkybox.position.x=-r,this.groundedSkybox.position.z=-a,this.target.position.set(r,s,a),this.target.updateMatrixWorld(),this.queueRender(),!0}}pointTowards(t,e){const{x:i,z:n}=this.position;this.yaw=Math.atan2(t-i,e-n)}get model(){return this._model}set yaw(t){this.rotation.y=t,this.groundedSkybox.rotation.y=-t,this.queueRender()}get yaw(){return this.rotation.y}set animationTime(t){this.mixer.setTime(t),this.queueShadowRender()}get animationTime(){if(null!=this.currentAnimationAction){const t=Math.max(this.currentAnimationAction._loopCount,0);return this.currentAnimationAction.loop!==Ct||1&~t?this.currentAnimationAction.time:this.duration-this.currentAnimationAction.time}return 0}set animationTimeScale(t){this.mixer.timeScale=t}get animationTimeScale(){return this.mixer.timeScale}get duration(){return null!=this.currentAnimationAction&&this.currentAnimationAction.getClip()?this.currentAnimationAction.getClip().duration:0}get hasActiveAnimation(){return null!=this.currentAnimationAction}playAnimation(t=null,e=0,i=2201,n=1/0){if(null==this._currentGLTF)return;const{animations:r}=this;if(null==r||0===r.length)return;let s=null;if(null!=t&&(s=this.animationsByName.get(t),null==s)){const e=parseInt(t);!isNaN(e)&&e>=0&&e<r.length&&(s=r[e])}null==s&&(s=r[0]);try{const{currentAnimationAction:t}=this,r=this.mixer.clipAction(s,this);this.currentAnimationAction=r,this.element.paused?this.mixer.stopAllAction():(r.paused=!1,null!=t&&r!==t?r.crossFadeFrom(t,e,!1):this.animationTimeScale>0&&this.animationTime==this.duration&&(this.animationTime=0)),r.setLoop(i,n),r.enabled=!0,r.clampWhenFinished=!0,r.play()}catch(t){console.error(t)}}stopAnimation(){this.currentAnimationAction=null,this.mixer.stopAllAction()}updateAnimation(t){this.mixer.update(t),this.queueShadowRender()}subscribeMixerEvent(t,e){this.mixer.addEventListener(t,e)}updateShadow(){const t=this.shadow;if(null!=t){const e="wall"===this.element.arPlacement?"back":"bottom";t.setScene(this,this.shadowSoftness,e),t.needsUpdate=!0}}renderShadow(t){const e=this.shadow;null!=e&&1==e.needsUpdate&&(e.render(t,this),e.needsUpdate=!1)}queueShadowRender(){null!=this.shadow&&(this.shadow.needsUpdate=!0)}setShadowIntensity(t){if(this.shadowIntensity=t,null!=this._currentGLTF&&(this.setBakedShadowVisibility(),!(t<=0&&null==this.shadow))){if(null==this.shadow){const t="wall"===this.element.arPlacement?"back":"bottom";this.shadow=new T_(this,this.shadowSoftness,t)}this.shadow.setIntensity(t)}}setShadowSoftness(t){this.shadowSoftness=t;const e=this.shadow;null!=e&&e.setSoftness(t)}setShadowOffset(t){const e=this.shadow;null!=e&&e.setOffset(t)}hitFromPoint(t,e=this){L_.setFromCamera(t,this.getCamera());return L_.intersectObject(e,!0).find((t=>t.object.visible&&!t.object.userData.noHit))}positionAndNormalFromPoint(t,e=this){var i;const n=this.hitFromPoint(t,e);if(null==n)return null;return{position:n.point,normal:null!=n.face?n.face.normal.clone().applyNormalMatrix((new Ae).getNormalMatrix(n.object.matrixWorld)):L_.ray.direction.clone().multiplyScalar(-1),uv:null!==(i=n.uv)&&void 0!==i?i:null}}surfaceFromPoint(t,e=this){const i=this.element.model;if(null==i)return null;const n=this.hitFromPoint(t,e);if(null==n||null==n.face)return null;const r=i[r_](n),{meshes:s,primitives:a}=r.mesh.userData.associations,o=new ke,l=new ke,c=new ke,{a:h,b:u,c:d}=n.face,A=n.object;A.getVertexPosition(h,o),A.getVertexPosition(u,l),A.getVertexPosition(d,c);const p=new tn(o,l,c),m=new ke;return p.getBarycoord(A.worldToLocal(n.point),m),`${s} ${a} ${h} ${u} ${d} ${m.x.toFixed(3)} ${m.y.toFixed(3)} ${m.z.toFixed(3)}`}addHotspot(t){this.target.add(t),this.annotationRenderer.domElement.appendChild(t.element)}removeHotspot(t){this.target.remove(t)}forHotspots(t){const{children:e}=this.target;for(let i=0,n=e.length;i<n;i++){const n=e[i];n instanceof I_&&t(n)}}initializeSurface(t){if(null!=t.surface&&null==t.mesh){const e=Bp(t.surface)[0].terms;if(8!=e.length)return void console.warn(t.surface+" does not have exactly 8 numbers.");const i=this.element.model[s_](e[0].number,e[1].number),n=new ke(e[2].number,e[3].number,e[4].number);if(null==i)return void console.warn(t.surface+" does not match a no

1015 * you may not use this file except in compliance with the License.
1016 * You may obtain a copy of the License at
1017 *
1018 *     http://www.apache.org/licenses/LICENSE-2.0
1019 *
1020 * Unless required by applicable law or agreed to in writing, software
1021 * distributed under the License is distributed on an 'AS IS' BASIS,
1022 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1023 * See the License for the specific language governing permissions and
1024 * limitations under the License.
1025 */
1026var Py=function(t,e,i,n){for(var r,s=arguments.length,a=s<3?e:null===n?n=Object.getOwnPropertyDescriptor(e,i):n,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,i,a):r(e,i))||a);return s>3&&a&&Object.defineProperty(e,i,a),a};const Ny=Symbol("changeAnimation"),Fy=Symbol("paused"),Qy={repetitions:1/0,pingpong:!1},Oy=Symbol("hotspotMap"),ky=Symbol("mutationCallback"),Gy=Symbol("observer"),Hy=Symbol("addHotspot"),zy=Symbol("removeHotspot"),Vy=new gi;
1027/*!
1028fflate - fast JavaScript compression/decompression
1029<https://101arrowz.github.io/fflate>
1030Licensed under MIT. https://github.com/101arrowz/fflate/blob/master/LICENSE
1031version 0.8.2
1032*/
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m=c[p],g=m.length;bE(t,e,+p),bE(t,e+2,g),t.set(m,e+4),e+=4+g}return h&&(t.set(o,e),e+=h),e};function NE(t,e){e||(e={});var i={},n=[];BE(t,"",i,e);var r=0,s=0;for(var a in i){var o=i[a],l=o[0],c=o[1],h=0==c.level?0:8,u=(S=LE(a)).length,d=c.comment,A=d&&LE(d),p=A&&A.length,m=UE(c.extra);u>65535&&AE(11);var g=h?TE(l,c):l,f=g.length,v=IE();v.p(l),n.push(wE(c,{size:l.length,crc:v.d(),c:g,f:S,m:A,u:u!=a.length||A&&d.length!=p,o:r,compression:h})),r+=30+u+m+f,s+=76+2*(u+m)+(p||0)+f}for(var _=new Wy(s+22),y=r,E=s-r,x=0;x<n.length;++x){var S=n[x];PE(_,S.o,S,S.f,S.u,S.c.length);var C=30+S.f.length+UE(S.extra);_.set(S.c,S.o+C),PE(_,r,S,S.f,S.u,S.c.length,S.o,S.m),r+=16+C+(S.m?S.m.length:0)}return function(t,e,i,n,r){bE(t,e,101010256),bE(t,e+8,i),bE(t,e+10,i),bE(t,e+12,n),bE(t,e+16,r)}(_,r,n.length,E,y),_}class FE{async parse(t,e={}){e=Object.assign({ar:{anchoring:{type:"plane"},planeAnchoring:{alignment:"horizontal"}},quickLookCompatible:!1,maxTextureSize:1024},e);const i={},n="model.usda";i[n]=null;let r=kE();r+=function(t){return`def Xform "Root"\n{\n\tdef Scope "Scenes" (\n\t\tkind = "sceneLibrary"\n\t)\n\t{\n\t\tdef Xform "Scene" (\n\t\t\tcustomData = {\n\t\t\t\tbool preliminary_collidesWithEnvironment = 0\n\t\t\t\tstring sceneName = "Scene"\n\t\t\t}\n\t\t\tsceneName = "Scene"\n\t\t)\n\t\t{\n\t\ttoken preliminary:anchoring:type = "${t.ar.anchoring.type}"\n\t\ttoken preliminary:planeAnchoring:alignment = "${t.ar.planeAnchoring.alignment}"\n\n`}(e);const s={},a={};t.traverseVisible((t=>{if(t.isMesh){const e=t.geometry,n=t.material;if(n.isMeshStandardMaterial){const a="geometries/Geometry_"+e.id+".usda";if(!(a in i)){const t=function(t){const e=function(t){const e="Geometry",i=t.attributes,n=i.position.count;return`\n\tdef Mesh "${e}"\n\t{\n\t\tint[] faceVertexCounts = [${function(t){const e=null!==t.index?t.index.count:t.attributes.position.count;return Array(e/3).fill(3).join(", ")}(t)}]\n\t\tint[] faceVertexIndices = [${function(t){const e=t.index,i=[];if(null!==e)for(let t=0;t<e.count;t++)i.push(e.getX(t));else{const e=t.attributes.position.count;for(let t=0;t<e;t++)i.push(t)}return i.join(", ")}(t)}]\n\t\tnormal3f[] normals = [${zE(i.normal,n)}] (\n\t\t\tinterpolation = "vertex"\n\t\t)\n\t\tpoint3f[] points = [${zE(i.position,n)}]\n${function(t){let e="";for(let i=0;i<4;i++){const n=i>0?i:"",r=t["uv"+n];void 0!==r&&(e+=`\n\t\ttexCoord2f[] primvars:st${n} = [${VE(r)}

1033] (\n\t\t\tinterpolation = "vertex"\n\t\t)`)}const i=t.color;if(void 0!==i){e+=`\n\tcolor3f[] primvars:displayColor = [${zE(i,i.count)}] (\n\t\tinterpolation = "vertex"\n\t\t)`}return e}(i)}\n\t\tuniform token subdivisionScheme = "none"\n\t}\n`}(t);return`\ndef "Geometry"\n{\n${e}\n}\n`}(e);i[a]=function(t){let e=kE();return e+=t,LE(e)}(t)}n.uuid in s||(s[n.uuid]=n),r+=function(t,e,i){const n="Object_"+t.id,r=GE(t.matrixWorld);t.matrixWorld.determinant()<0&&console.warn("THREE.USDZExporter: USDZ does not support negative scales",t);return`def Xform "${n}" (\n\tprepend references = @./geometries/Geometry_${e.id}.usda@</Geometry>\n\tprepend apiSchemas = ["MaterialBindingAPI"]\n)\n{\n\tmatrix4d xformOp:transform = ${r}\n\tuniform token[] xformOpOrder = ["xformOp:transform"]\n\n\trel material:binding = </Materials/Material_${i.id}>\n}\n\n`}(t,e,n)}else console.warn("THREE.USDZExporter: Unsupported material type (USDZ only supports MeshStandardMaterial)",t)}else t.isCamera&&(r+=function(t){const e=t.name?t.name:"Camera_"+t.id,i=GE(t.matrixWorld);t.matrixWorld.determinant()<0&&console.warn("THREE.USDZExporter: USDZ does not support negative scales",t);return t.isOrthographicCamera?`def Camera "${e}"\n\t\t{\n\t\t\tmatrix4d xformOp:transform = ${i}\n\t\t\tuniform token[] xformOpOrder = ["xformOp:transform"]\n\n\t\t\tfloat2 clippingRange = (${t.near.toPrecision(OE)}, ${t.far.toPrecision(OE)})\n\t\t\tfloat horizontalAperture = ${(10*(Math.abs(t.left)+Math.abs(t.right))).toPrecision(OE)}\n\t\t\tfloat verticalAperture = ${(10*(Math.abs(t.top)+Math.abs(t.bottom))).toPrecision(OE)}\n\t\t\ttoken projection = "orthographic"\n\t\t}\n\t\n\t`:`def Camera "${e}"\n\t\t{\n\t\t\tmatrix4d xformOp:transform = ${i}\n\t\t\tuniform token[] xformOpOrder = ["xformOp:transform"]\n\n\t\t\tfloat2 clippingRange = (${t.near.toPrecision(OE)}, ${t.far.toPrecision(OE)})\n\t\t\tfloat focalLength = ${t.getFocalLength().toPrecision(OE)}\n\t\t\tfloat focusDistance = ${t.focus.toPrecision(OE)}\n\t\t\tfloat horizontalAperture = ${t.getFilmWidth().toPrecision(OE)}\n\t\t\ttoken projection = "perspective"\n\t\t\tfloat verticalAperture = ${t.getFilmHeight().toPrecision(OE)}\n\t\t}\n\t\n\t`}
1034/* @license
1035 * Copyright 2019 Google LLC. All Rights Reserved.
1036 * Licensed under the Apache License, Version 2.0 (the 'License');
1037 * you may not use this file except in compliance with the License.
1038 * You may obtain a copy of the License at
1039 *
1040 *     http://www.apache.org/licenses/LICENSE-2.0
1041 *
1042 * Unless required by applicable law or agreed to in writing, software
1043 * distributed under the License is distributed on an 'AS IS' BASIS,
1044 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1045 * See the License for the specific language governing permissions and
1046 * limitations under the License.
1047 */(t))})),r+="\n\t\t}\n\t}\n}\n\n",r+=function(t,e,i=!1){const n=[];for(const r in t){const s=t[r];n.push(WE(s,e,i))}return`def "Materials"\n{\n${n.join("")}\n}\n\n`}(s,a,e.quickLookCompatible),i[n]=LE(r),r=null;for(const t in a){let n=a[t];!0===n.isCompressedTexture&&(n=SA(n));const r=QE(n.image,n.flipY,e.maxTextureSize),s=await new Promise((t=>r.toBlob(t,"image/png",1)));i[`textures/Texture_${t}.png`]=new Uint8Array(await s.arrayBuffer())}let o=0;for(const t in i){const e=i[t];o+=34+t.length;const n=63&o;if(4!==n){const r=new Uint8Array(64-n);i[t]=[e,{extra:{12345:r}}]}o=e.length}return NE(i,{level:0})}}function QE(t,e,i){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const n=i/Math.max(t.width,t.height),r=document.createElement("canvas");r.width=t.width*Math.min(1,n),r.height=t.height*Math.min(1,n);const s=r.getContext("2d");return!0===e&&(s.translate(0,r.height),s.scale(1,-1)),s.drawImage(t,0,0,r.width,r.height),r}throw new Error("THREE.USDZExporter: No valid image data found. Unable to process texture.")}const OE=7;function kE(){return'#usda 1.0\n(\n\tcustomLayerData = {\n\t\tstring creator = "Three.js USDZExporter"\n\t}\n\tdefaultPrim = "Root"\n\tmetersPerUnit = 1\n\tupAxis = "Y"\n)\n\n'}function GE(t){const e=t.elements;return`( ${HE(e,0)}, ${HE(e,4)}, ${HE(e,8)}, ${HE(e,12)} )`}function HE(t,e){return`(${t[e+0]}, ${t[e+1]}, ${t[e+2]}, ${t[e+3]})`}function zE(t,e){if(void 0===t)return console.warn("USDZExporter: Normals missing."),Array(e).fill("(0, 0, 0)").join(", ");const i=[];for(let e=0;e<t.count;e++){const n=t.getX(e),r=t.getY(e),s=t.getZ(e);i.push(`(${n.toPrecision(OE)}, ${r.toPrecision(OE)}, ${s.toPrecision(OE)})`)}return i.join(", ")}function VE(t){const e=[];for(let i=0;i<t.count;i++){const n=t.getX(i),r=t.getY(i);e.push(`(${n.toPrecision(OE)}, ${1-r.toPrecision(OE)})`)}return e.join(", ")}function WE(t,e,i=!1){const n="\t\t\t",r=[],s=[];function a(n,r,s){const a=n.source.id+"_"+n.flipY;e[a]=n;const o=n.channel>0?"st"+n.channel:"st",l={1e3:"repeat",1001:"clamp",1002:"mirror"},c=n.repeat.clone(),h=n.offset.clone(),u=n.rotation,d=Math.sin(u),A=Math.cos(u);return h.y=1-h.y-c.y,i?(h.x=h.x/c.x,h.y=h.y/c.y,h.x+=d/c.x,h.y+=A-1):(h.x+=d*c.x,h.y+=(1-A)*c.y),`\n\t\tdef Shader "PrimvarReader_${r}"\n\t\t{\n\t\t\tuniform token info:id = "UsdPrimvarReader_float2"\n\t\t\tfloat2 inputs:fallback = (0.0, 0.0)\n\t\t\ttoken input

1056are
1057 * distributed under the License is distributed on an 'AS IS' BASIS,
1058 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1059 * See the License for the specific language governing permissions and
1060 * limitations under the License.
1061 */
1062var jE=function(t,e,i,n){for(var r,s=arguments.length,a=s<3?e:null===n?n=Object.getOwnPropertyDescriptor(e,i):n,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,i,a):r(e,i))||a);return s>3&&a&&Object.defineProperty(e,i,a),a};let YE=!1,KE=!1;const JE="#model-viewer-no-ar-fallback",$E=(ZE=["quick-look","scene-viewer","webxr","none"],t=>{try{const e=Bp(t),i=(e.length?e[0].terms:[]).filter((t=>t&&"ident"===t.type)).map((t=>t.value)).filter((t=>ZE.indexOf(t)>-1));return new Set(i)}catch(t){}return new Set});var ZE;const tx="quick-look",ex="scene-viewer",ix="webxr",nx="none",rx=Symbol("arButtonContainer"),sx=Symbol("enterARWithWebXR"),ax=Symbol("openSceneViewer"),ox=Symbol("openIOSARQuickLook"),lx=Symbol("canActivateAR"),cx=Symbol("arMode"),hx=Symbol("arModes"),ux=Symbol("arAnchor"),dx=Symbol("preload"),Ax=Symbol("onARButtonContainerClick"),px=Symbol("onARStatus"),mx=Symbol("onARTracking"),gx=Symbol("onARTap"),fx=Symbol("selectARMode"),vx=Symbol("triggerLoad");
1063/* @license
1064 * Copyright 2019 Google LLC. All Rights Reserved.
1065 * Licensed under the Apache License, Version 2.0 (the 'License');
1066 * you may not use this file except in compliance with the License.
1067 * You may obtain a copy of the License at
1068 *
1069 *     http://www.apache.org/licenses/LICENSE-2.0
1070 *
1071 * Unless required by applicable law or agreed to in writing, software
1072 * distributed under the License is distributed on an 'AS IS' BASIS,
1073 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1074 * See the License for the specific language governing permissions and
1075 * limitations under the License.
1076 */
1077var _x=function(t,e,i,n){for(var r,s=arguments.length,a=s<3?e:null===n?n=Object.getOwnPropertyDescriptor(e,i):n,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,i,a):r(e,i))||a);return s>3&&a&&Object.defineProperty(e,i,a),a};const yx="auto",Ex="auto",xx="eager",Sx=Symbol("defaultProgressBarElement"),Cx=Symbol("posterContainerElement"),Ix=Symbol("defaultPosterElement"),Mx=Symbol("shouldDismissPoster"),wx=Symbol("hidePoster"),bx=Symbol("modelIsRevealed"),Tx=Symbol("updateProgressBar"),Bx=Symbol("ariaLabelCallToAction"),Rx=Symbol("onProgress");
1078/* @license
1079 * Copyright 2019 Google LLC. All Rights Reserved.
1080 * Licensed under the Apache License, Version 2.0 (the 'License');
1081 * you may not use this file except in compliance with the License.
1082 * You may obtain a copy of the License at
1083 *
1084 *     http://www.apache.org/licenses/LICENSE-2.0
1085 *
1086 * Unless required by applicable law or agreed to in writing, software
1087 * distributed under the License is distributed on an 'AS IS' BASIS,
1088 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1089 * See the License for the specific language governing permissions and
1090 * limitations under the License.
1091 */
1092var Dx=function(t,e,i,n){for(var r,s=arguments.length,a=s<3?e:null===n?n=Object.getOwnPropertyDescriptor(e,i):n,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,i,a):r(e,i))||a);return s>3&&a&&Object.defineProperty(e,i,a),a};const Lx=Math.PI/32,Ux={basis:[Op(Tp(Lx,"rad"))],keywords:{auto:[null]}},Px=Symbol("autoRotateStartTime"),Nx=Symbol("radiansPerSecond"),Fx=Symbol("syncRotationRate"),Qx=Symbol("onCameraChange"),Ox=(t=>{var e,i,n;class r extends t{constructor(){super(...arguments),this[e]=new Map,this[i]=t=>{t.forEach((t=>{t instanceof MutationRecord&&"childList"!==t.type||(t.addedNodes.forEach((t=>{this[Hy](t)})),t.removedNodes.forEach((t=>{this[zy](t)})),this[Sy]())}))},this[n]=new MutationObserver(this[ky])}connectedCallback(){super.connectedCallback();for(let t=0;t<this.children.length;++t)this[Hy](this.children[t]);const{ShadyDOM:t}=self;null==t?this[Gy].observe(this,{childList:!0}):this[Gy]=t.observeChildren(this,this[ky])}disconnectedCallback(){super.disconnectedCallback();const{ShadyDOM:t}=self;null==t?this[Gy].disconnect():t.unobserveChildren(this[Gy])}[(e=Oy,i=ky,n=Gy,Cy)](t,e){super[Cy](t,e);const i=this[xy],{annotationRenderer:n}=i,r=i.getCamera();i.shouldRender()&&(i.updateSurfaceHotspots(),i.updateHotspotsVisibility(r.position),n.domElement.style.display="",n.render(i,r))}updateHotspot(t){const e=this[Oy].get(t.name);null!=e&&(e.updatePosition(t.position),e.updateNormal(t.normal),e.surface=t.surface,this[Sy]())}queryHotspot(t){const e=this[Oy].get(t);if(null==e)return null;const i=Dy(e.position),n=Dy(e.normal),r=e.facingCamera,s=this[xy],a=s.getCamera(),o=new ke;o.setFromMatrixPosition(e.matrixWorld),o.project(a);const l=s.width/2,c=s.height/2;o.x=o.x*l+l,o.y=-o.y*c+c;const h=Dy(new ke(o.x,o.y,o.z));return Number.isFinite(h.x)&&Number.isFinite(h.y)?{position:i,normal:n,canvasPosition:h,facingCamera:r}:null}positionAndNormalFromPoint(t,e){const i=this[xy],n=i.getNDC(t,e),r=i.positionAndNormalFromPoint(n);if(null==r)return null;Vy.copy(i.target.matrixWorld).invert();const s=Dy(r.position.applyMatrix4(Vy)),a=Dy(r.normal.transformDirection(Vy));let o=null;return null!=r.uv&&(o=Ly(r.uv)),{position:s,normal:a,uv:o}}surfaceFromPoint(t,e){const i=this[xy],n=i.getNDC(t,e);return i.surfaceFromPoint(n)}[Hy](t){if(!(t instanceof HTMLElement&&0===t.slot.indexOf("hotspot")))return;let e=this[Oy].get(t.slot);null!=e?e.increment():(e=new I_({name:t.slot,position:t.dataset.position,normal:t.dataset.normal,surface:t.dataset.surface}),this[Oy].set(t.slot,e),this[xy].addHotspot(e)),this[xy].queueRender()}[zy](t){if(!(t instanceof HTMLElement))return;const e=this[Oy].get(t.slot);e&&(e.decrement()&&(this[xy].removeHotspot(e),this[Oy].delete(t.slot)),this[xy].queueRender())}}return r})((t=>{var i,n,r;class s extends t{constructor(){super(...arguments),this[i]=void 0,this[n]=null,this[r]=null,this.variantName=null,this.orientation="0 0 0",this.scale="1 1 1"}get model(){return this[m_]}get availableVariants(){return this.model?this.model[o_]():[]}get originalGltfJson(){return this[p_]}[(i=m_,n=A_,r=p_,g_)](){return()=>{this[Sy]()}}[f_](t){return t.colorSpace=Lt,t.wrapS=W,t.wrapT=W,new rv(this[g_](),t)}async createTexture(t,e="image/png"){const{textureUtils:i}=this[wy],n=await i.loadImage(t);return n.userData.mimeType=e,this[f_](n)}async createLottieTexture(t,e=1){const{textureUtils:i}=this[wy],n=await i.loadLottie(t,e);return this[f_](n)}createVideoTexture(t){const e=document.createElement("video");e.crossOrigin=this.withCredentials?"use-credentials":"anonymous",e.src=t,e.muted=!0,e.playsInline=!0,e.loop=!0,e.play();const i=new Ko(e);return this[f_](i)}createCanvasTexture(){const t=document.createElement("canvas"),e=new tl(t);return this[f_](e)}async updated(t){if(super.updated(t),t.has("variantName")){const t=this[by].beginActivity("variant-update");t(.1);const e=this[m_],{variantName:i}=this;null!=e&&(await e[i_](i),this[Sy](),this.dispatchEvent(new CustomEvent("variant-applied"))),t(1)}if(t.has("orientation")||t.has("scale")){if(!this.loaded)return;const t=this[xy];t.applyTransform(),t.updateBoundingBox(),t.updateShadow(),this[wy].arRenderer.onUpdateScene(),this[Sy]()}}[Iy](){super[Iy]();const{currentGLTF:t}=this[xy];if(null!=t){const{correlatedSceneGraph:e}=t;null!=e&&t!==this[A_]&&(this[m_]=new u_(e,this[g_]()),this[p_]=JSON.parse(JSON.stringify(e.gltf))),"variants"in t.userData&&this.requestUpdate("variantName")}this[A_]=t}async exportScene(t){const e=this[xy];return new Promise((async(i,n)=>{const r={binary:!0,onlyVisible:!0,maxTextureSize:1/0,includeCustomExtensions:!1,forceIndices:!1};Object.assign(r,t),r.animations=e.animations,r.truncateDrawRange=!0;const s=e.shadow;let a=!1;null!=s&&(a=s.visible,s.visible=!1),await this[m_][e_]();(new IA).register((t=>new yp(t))).parse(e.model,(t=>i(new Blob([r.binary?t:JSON.stringify(t)],{type:r.binary?"application/octet-stream":"application/json"}))),(()=>n("glTF export failed")),r),null!=s&&(s.visible=a)}))}materialFromPoint(t,e){const i=this[m_];if(null==i)return null;const n=this[xy],r=n.getNDC(t,e),s=n.hitFromPoint(r);return null==s||null==s.face?null:i[n_](s)}}return d_([e({type:String,attribute:"variant-name"})],s.prototype,"variantName",void 0),d_([e({type:String,attribute:"orientation"})],s.prototype,"orientation",void 0),d_([e({type:String,attribute:"scale"})],s.prototype,"scale",void 0),s})((t=>{var i,n,r;class s extends t{constructor(){super(...arguments),this.autoRotate=!1,this.autoRotateDelay=3e3,this.rotationPerSecond="auto",this[i]=performance.now(),this[n]=0,this[r]=t=>{this.autoRotate&&"user-interaction"===t.detail.source&&(this[Px]=performance.now())}}connectedCallback(){super.connectedCallback(),this.addEventListener("camera-change",this[Qx]),this[Px]=performance.now()}disconnectedCallback(){super.disconnectedCallback(),this.removeEventListener("camera-change",this[Qx]),this[Px]=performance.now()}updated(t){super.updated(t),t.has("autoRotate")&&(this[Px]=performance.now())}[(i=Px,n=Nx,Fx)](t){this[Nx]=t[0]}[Cy](t,e){if(super[Cy](t,e),!this.autoRotate||!this[By]()||this[wy].isPresenting)return;const i=Math.min(e,t-this[Px]-this.autoRotateDelay);i>0&&(this[xy].yaw=this.turntableRotation+this[Nx]*i*.001)}get turntableRotation(){return this[xy].yaw}resetTurntableRotation(t=0){this[xy].yaw=t}}return r=Qx,Dx([e({type:Boolean,attribute:"auto-rotate"})],s.prototype,"autoRotate",void 0),Dx([e({type:Number,attribute:"auto-rotate-delay"})],s.prototype,"autoRotateDelay",void 0),Dx([Im({intrinsics:Ux,updateHandler:Fx}),e({type:String,attribute:"rotation-per-second"})],s.prototype,"rotationPerSecond",void 0),s})((t=>{var i,n,r;class s extends t{constructor(){super(...arguments),this.environmentImage=null,this.skyboxImage=null,this.shadowIntensity=0,this.shadowSoftness=1,this.exposure=1,this.toneMapping="auto",this.skyboxHeight="0",this[i]=null,this[n]=null,this[r]=null}updated(t){super.updated(t),t.has("shadowIntensity")&&(this[xy].setShadowIntensity(.5*this.shadowIntensity),this[Sy]()),t.has("shadowSoftness")&&(this[xy].setShadowSoftness(this.shadowSoftness),this[Sy]()),t.has("exposure")&&(this[xy].exposure=this.exposure,this[Sy]()),t.has("toneMapping")&&(this[xy].toneMapping="commerce"===this.toneMapping||"neutral"===this.toneMapping?Q:"agx"===this.toneMapping?F:P,this[Sy]()),(t.has("environmentImage")||t.has("skyboxImage"))&&this[Ry]()&&this[eu](),t.has("skyboxHeight")&&(this[xy].setGroundedSkybox(),this[Sy]())}hasBakedShadow(){return this[xy].bakedShadows.size>0}async[(i=Zh,n=tu,r=iu,eu)](){const{skyboxImage:t,environmentImage:e}=this;null!=this[iu]&&(this[iu](),this[iu]=null);const{textureUtils:i}=this[wy];if(null==i)return;const n=this[by].beginActivity("environment-update");try{const{environmentMap:r,skybox:s}=await i.generateEnvironmentMapAndSkybox(Wh(t),e,(t=>n(Yh(t,0,1))));this[Zh]!==r&&(this[Zh]=r,this.dispatchEvent(new CustomEvent("environment-change"))),this[tu]=null!=s?s.name===r.name?r:s:null,this[xy].setEnvironmentAndSkybox(this[Zh],this[tu])}catch(t){if(t instanceof Error)throw this[xy].setEnvironmentAndSkybox(null,null),t}finally{n(1)}}}return $h([e({type:String,attribute:"environment-image"})],s.prototype,"environmentImage",void 0),$h([e({type:String,attribute:"skybox-image"})],s.prototype,"skyboxImage",void 0),$h([e({type:Number,attribute:"shadow-intensity"})],s.prototype,"shadowIntensity",void 0),$h([e({type:Number,attribute:"shadow-softness"})],s.prototype,"shadowSoftness",void 0),$h([e({type:Number})],s.prototype,"exposure",void 0),$h([e({type:String,attribute:"tone-mapping"})],s.prototype,"toneMapping",void 0),$h([e({type:String,attribute:"skybox-height"})],s.prototype,"skyboxHeight",void 0),s})((t=>{var i,n,r,s,a,o,l,c,h,u,d,A,p,m,g,f,v,_;class y extends t{constructor(){super(...arguments),this.cameraControls=!1,this.cameraOrbit=Dm,this.cameraTarget="auto auto auto",this.fieldOfView="auto",this.minCameraOrbit="auto",this.maxCameraOrbit="auto",this.minFieldOfView="auto",this.maxFieldOfView="auto",this.interactionPromptThreshold=3e3,this.interactionPrompt=Pm,this.interactionPromptStyle=Fm,this.orbitSensitivity=1,this.zoomSensitivity=1,this.panSensitivity=1,this.touchAction=Qm,this.disableZoom=!1,this.disablePan=!1,this.disableTap=!1,this.interpolationDecay=50,this.a11y=null,this[i]=this.shadowRoot.querySelector(".interaction-prompt"),this[n]=this.shadowRoot.querySelector("#prompt"),this[r]=[this.shadowRoot.querySelector("#finger0"),this.shadowRoot.querySelector("#finger1")],this[s]=this.shadowRoot.querySelector(".pan-target"),this[a]=0,this[o]=1/0,this[l]=!1,this[c]=!1,this[h]=Tg.AUTOMATIC,this[u]=new Bg(this[xy].camera,this[yy],this[xy]),this[d]=new uc,this[A]=!1,this[p]=!1,this[m]=!1,this[g]={},this[f]=()=>{const t=this[Ym].changeSource;this[dg]=t,t===Tg.USER_INTERACTION&&(this[cg]=!0,this[tg]())},this[v]=()=>{this[eg](),this[Sy]();const t=this[Ym].changeSource;this.dispatchEvent(new CustomEvent("camera-change",{detail:{source:t}}))},this[_]=t=>{this[_y].classList.toggle("pointer-tumbling","pointer-change-start"===t.type)}}get inputSensitivity(){return this[Ym].inputSensitivity}set inputSensitivity(t){this[Ym].inputSensitivity=t}getCameraOrbit(){const{theta:t,phi:e,radius:i}=this[Ag];return{theta:t,phi:e,radius:i,toString(){return`${this.theta}rad ${this.phi}rad ${this.radius}m`}}}getCameraTarget(){return Dy(this[wy].isPresenting?this[wy].arRenderer.target:this[xy].getTarget())}getFieldOfView(){return this[Ym].getFieldOfView()}getMinimumFieldOfView(){return this[Ym].options.minimumFieldOfView}getMaximumFieldOfView(){return this[Ym].options.maximumFieldOfView}getIdealAspect(){return this[xy].idealAspect}jumpCameraToGoal(){this[pg]=!0,this.requestUpdate(pg,!1)}resetInteractionPrompt(){this[ug]=0,this[hg]=1/0,this[cg]=!1,this[lg]=this.interactionPrompt===Pm&&this.cameraControls}zoom(t){const e=new WheelEvent("wheel",{deltaY:-30*t});this[yy].dispatchEvent(e)}connectedCallback(){super.connectedCallback(),this[Ym].addEventListener("user-interaction",this[sg]),this[Ym].addEventListener("pointer-change-start",this[og]),this[Ym].addEventListener("pointer-change-end",this[og])}disconnectedCallback(){super.disconnectedCallback(),this[Ym].removeEventListener("user-interaction",this[sg]),this[Ym].removeEventListener("pointer-change-start",this[og]),this[Ym].removeEventListener("pointer-change-end",this[og])}updated(t){super.updated(t);const e=this[Ym],i=this[xy];if(t.has("cameraControls")&&(this.cameraControls?(e.enableInteraction(),this.interactionPrompt===Pm&&(this[lg]=!0)):(e.disableInteraction(),this[tg]()),this[yy].setAttribute("aria-label",this[dy])),t.has("disableZoom")&&(e.disableZoom=this.disableZoom),t.has("disablePan")&&(e.enablePan=!this.disablePan),t.has("disableTap")&&(e.enableTap=!this.disableTap),(t.has("interactionPrompt")||t.has("cameraControls")||t.has("src"))&&(this.interactionPrompt===Pm&&this.cameraControls&&!this[cg]?this[lg]=!0:this[tg]()),t.has("interactionPromptStyle")&&(this[$m].style.opacity=this.interactionPromptStyle==Nm?"1":"0"),t.has("touchAction")){const t=this.touchAction;e.applyOptions({touchAction:t}),e.updateTouchActionStyle()}t.has("orbitSensitivity")&&(e.orbitSensitivity=this.orbitSensitivity),t.has("zoomSensitivity")&&(e.zoomSensitivity=this.zoomSensitivity),t.has("panSensitivity")&&(e.panSensitivity=this.panSensitivity),t.has("interpolationDecay")&&(e.setDamperDecayTime(this.interpolationDecay),i.setTargetDamperDecayTime(this.interpolationDecay)),t.has("a11y")&&this[ng](),!0===this[pg]&&Promise.resolve().then((()=>{e.jumpToGoal(),i.jumpToGoal(),this[ag](),this[pg]=!1}))}async updateFraming(){const t=this[xy],e=t.adjustedFoV(t.framedFoVDeg);await t.updateFraming();const i=t.adjustedFoV(t.framedFoVDeg),n=this[Ym].getFieldOfView()/e;this[Ym].setFieldOfView(i*n),this[gg]=!0,this.requestUpdate("maxFieldOfView"),this.requestUpdate("fieldOfView"),this.requestUpdate("minCameraOrbit"),this.requestUpdate("maxCameraOrbit"),this.requestUpdate("cameraOrbit"),await this.updateComplete}interact(t,e,i){const n=this[yy],r=this[Zm];if("1"===r[0].style.opacity)return void console.warn("interact() failed because an existing interaction is running.");const s=new Array;s.push({x:bm(e.x),y:bm(e.y)});const a=[{x:s[0].x(0),y:s[0].y(0)}];null!=i&&(s.push({x:bm(i.x),y:bm(i.y)}),a.push({x:s[1].x(0),y:s[1].y(0)}));let o=performance.now();const{width:l,height:c}=this[xy],h=this.getBoundingClientRect(),u=t=>{for(const[e,i]of a.entries()){const{style:s}=r[e];s.transform=`translateX(${l*i.x}px) translateY(${c*i.y}px)`,"pointerdown"===t?s.opacity="1":"pointerup"===t&&(s.opacity="0");const a={pointerId:e-5678,pointerType:"touch",target:n,clientX:l*i.x+h.x,clientY:c*i.y+h.y,altKey:!0};n.dispatchEvent(new PointerEvent(t,a))}},d=()=>{const e=this[dg];if(e!==Tg.AUTOMATIC||!n.isConnected){for(const t of this[Zm])t.style.opacity="0";return u("pointercancel"),this.dispatchEvent(new CustomEvent("interact-stopped",{detail:{source:e}})),void document.removeEventListener("visibilitychange",A)}const i=Math.min(1,(performance.now()-o)/t);for(const[t,e]of a.entries())e.x=s[t].x(i),e.y=s[t].y(i);u("pointermove"),i<1?requestAnimationFrame(d):(u("pointerup"),this.dispatchEvent(new CustomEvent("interact-stopped",{detail:{source:Tg.AUTOMATIC}})),document.removeEventListener("visibilitychange",A))},A=()=>{let t=0;"hidden"===document.visibilityState?t=performance.now()-o:o=performance.now()-t};document.addEventListener("visibilitychange",A),u("pointerdown"),this[dg]=Tg.AUTOMATIC,requestAnimationFrame(d)}[(i=Jm,n=$m,r=Zm,s=Km,a=ug,o=hg,l=cg,c=lg,h=dg,u=Ym,d=Ag,A=pg,p=mg,m=gg,g=ig,vg)](t){const e=this[Ym],i=this[xy];i.framedFoVDeg=180*t[0]/Math.PI,e.changeSource=Tg.NONE,e.setFieldOfView(i.adjustedFoV(i.framedFoVDeg)),this[sg]()}[fg](t){const e=this[Ym];if(this[gg]){const{theta:e,phi:i}=this.getCameraOrbit();t[0]=e,t[1]=i,this[gg]=!1}e.changeSource=Tg.NONE,e.setOrbit(t[0],t[1],t[2]),this[sg]()}[yg](t){this[Ym].applyOptions({minimumAzimuthalAngle:t[0],minimumPolarAngle:t[1],minimumRadius:t[2]}),this.jumpCameraToGoal()}[Eg](t){this[Ym].applyOptions({maximumAzimuthalAngle:t[0],maximumPolarAngle:t[1],maximumRadius:t[2]}),this[rg](t[2]),this.jumpCameraToGoal()}[xg](t){this[Ym].applyOptions({minimumFieldOfView:180*t[0]/Math.PI}),this.jumpCameraToGoal()}[Sg](t){const e=this[xy].adjustedFoV(180*t[0]/Math.PI);this[Ym].applyOptions({maximumFieldOfView:e}),this.jumpCameraToGoal()}[_g](t){const[e,i,n]=t;this[wy].arRenderer.isPresenting||this[xy].setTarget(e,i,n),this[Ym].changeSource=Tg.NONE,this[wy].arRenderer.updateTarget(),this[sg]()}[Cy](t,e){if(super[Cy](t,e),this[wy].isPresenting||!this[By]())return;const i=this[Ym],n=this[xy],r=performance.now();if(this[lg]&&this.loaded&&r>this[gy]+this.interactionPromptThreshold&&(this[lg]=!1,this[hg]=r,this[Jm].classList.add("visible")),isFinite(this[hg])&&this.interactionPromptStyle===Fm){const t=(r-this[hg])/5e3%1,e=Bm(t),s=Rm(t);if(this[$m].style.opacity=`${s}`,e!==this[ug]){const t=e*n.width*.05,r=(e-this[ug])*Math.PI/16;this[$m].style.transform=`translateX(${t}px)`,i.changeSource=Tg.AUTOMATIC,i.adjustOrbit(r,0,0),this[ug]=e}}const s=i.update(t,e),a=n.updateTarget(e);(s||a)&&this[ag]()}[tg](){this[lg]=!1,this[Jm].classList.remove("visible"),this[hg]=1/0}[rg](t){const e=Math.max(this[xy].farRadius(),t),i=Math.abs(2*e);this[Ym].updateNearFar(0,i)}[eg](){const{theta:t,phi:e}=this[Ym].getCameraSpherical(this[Ag]),i=(4+Math.floor((t%jm+Xm)/Wm))%4,n=Math.floor(e/qm),r=`${Um[n]}${Lm[i]}`,s=r;s in this[ig]?this[my](this[ig][s]):this[my](`View from stage ${r}`)}get[dy](){let t=". Use mouse, touch or arrow keys to move.";return"interaction-prompt"in this[ig]&&(t=`. ${this[ig]["interaction-prompt"]}`),super[dy].replace(/\.$/,"")+(this.cameraControls?t:"")}async[My](t){const e=this[Ym],i=this[xy],n=i.adjustedFoV(i.framedFoVDeg);super[My](t);const r=i.adjustedFoV(i.framedFoVDeg)/n,s=e.getFieldOfView()*(isFinite(r)?r:1);e.updateAspect(this[xy].aspect),this.requestUpdate("maxFieldOfView",this.maxFieldOfView),await this.updateComplete,this[Ym].setFieldOfView(s),this.jumpCameraToGoal()}[Iy](){super[Iy](),this[mg]?this[gg]=!0:this[mg]=!0,this.requestUpdate("maxFieldOfView",this.maxFieldOfView),this.requestUpdate("fieldOfView",this.fieldOfView),this.requestUpdate("minCameraOrbit",this.minCameraOrbit),this.requestUpdate("maxCameraOrbit",this.maxCameraOrbit),this.requestUpdate("cameraOrbit",this.cameraOrbit),this.requestUpdate("cameraTarget",this.cameraTarget),this.jumpCameraToGoal()}[(f=sg,v=ag,_=og,ng)](){if("string"==typeof this.a11y)if(this.a11y.startsWith("{"))try{this[ig]=JSON.parse(this.a11y)}catch(t){console.warn("Error parsing a11y JSON:",t)}else this.a11y.length>0?console.warn("Error not supported format, should be a JSON string:",this.a11y):this[ig]={};else"object"==typeof this.a11y&&null!=this.a11y?this[ig]=Object.assign({},this.a11y):this[ig]={};this[yy].setAttribute("aria-label",this[dy])}}return Tm([e({type:Boolean,attribute:"camera-controls"})],y.prototype,"cameraControls",void 0),Tm([Im({intrinsics:Gm,observeEffects:!0,updateHandler:fg}),e({type:String,attribute:"camera-orbit",hasChanged:()=>!0})],y.prototype,"cameraOrbit",void 0),Tm([Im({intrinsics:Vm,observeEffects:!0,updateHandler:_g}),e({type:String,attribute:"camera-target",hasChanged:()=>!0})],y.prototype,"cameraTarget",void 0),Tm([Im({intrinsics:Om,observeEffects:!0,updateHandler:vg}),e({type:String,attribute:"field-of-view",hasChanged:()=>!0})],y.prototype,"fieldOfView",void 0),Tm([Im({intrinsics:Hm,updateHandler:yg}),e({type:String,attribute:"min-camera-orbit",hasChanged:()=>!0})],y.prototype,"minCameraOrbit",void 0),Tm([Im({intrinsics:zm,updateHandler:Eg}),e({type:String,attribute:"max-camera-orbit",hasChanged:()=>!0})],y.prototype,"maxCameraOrbit",void 0),Tm([Im({intrinsics:km,updateHandler:xg}),e({type:String,attribute:"min-field-of-view",hasChanged:()=>!0})],y.prototype,"minFieldOfView",void 0),Tm([Im({intrinsics:Om,updateHandler:Sg}),e({type:String,attribute:"max-field-of-view",hasChanged:()=>!0})],y.prototype,"maxFieldOfView",void 0),Tm([e({type:Number,attribute:"interaction-prompt-threshold"})],y.prototype,"interactionPromptThreshold",void 0),Tm([e({type:String,attribute:"interaction-prompt"})],y.prototype,"interactionPrompt",void 0),Tm([e({type:String,attribute:"interaction-prompt-style"})],y.prototype,"interactionPromptStyle",void 0),Tm([e({type:Number,attribute:"orbit-sensitivity"})],y.prototype,"orbitSensitivity",void 0),Tm([e({type:Number,attribute:"zoom-sensitivity"})],y.prototype,"zoomSensitivity",void 0),Tm([e({type:Number,attribute:"pan-sensitivity"})],y.prototype,"panSensitivity",void 0),Tm([e({type:String,attribute:"touch-action"})],y.prototype,"touchAction",void 0),Tm([e({type:Boolean,attribute:"disable-zoom"})],y.prototype,"disableZoom",void 0),Tm([e({type:Boolean,attribute:"disable-pan"})],y.prototype,"disablePan",void 0),Tm([e({type:Boolean,attribute:"disable-tap"})],y.prototype,"disableTap",void 0),Tm([e({type:Number,attribute:"interpolation-decay"})],y.prototype,"interpolationDecay",void 0),Tm([e()],y.prototype,"a11y",void 0),y})((t=>{var i,n,r,s,a,o,l,c,h,u;class d extends t{constructor(){super(...arguments),this.ar=!1,this.arScale="auto",this.arPlacement="floor",this.arModes="webxr scene-viewer quick-look",this.iosSrc=null,this.xrEnvironment=!1,this[i]=!1,this[n]=this.shadowRoot.querySelector(".ar-button"),this[r]=document.createElement("a"),this[s]=new Set,this[a]=nx,this[o]=!1,this[l]=t=>{t.preventDefault(),this.activateAR()},this[c]=({status:t})=>{t!==Dg&&this[wy].arRenderer.presentedScene!==this[xy]||(this.setAttribute("ar-status",t),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:t}})),t===Dg?this.removeAttribute("ar-tracking"):t===Lg&&this.setAttribute("ar-tracking",Ng))},this[h]=({status:t})=>{this.setAttribute("ar-tracking",t),this.dispatchEvent(new CustomEvent("ar-tracking",{detail:{status:t}}))},this[u]=t=>{"_apple_ar_quicklook_button_tapped"==t.data&&this.dispatchEvent(new CustomEvent("quick-look-button-tapped"))}}get canActivateAR(){return this[cx]!==nx}connectedCallback(){super.connectedCallback(),this[wy].arRenderer.addEventListener("status",this[px]),this.setAttribute("ar-status",Dg),this[wy].arRenderer.addEventListener("tracking",this[mx]),this[ux].addEventListener("message",this[gx])}disconnectedCallback(){super.disconnectedCallback(),this[wy].arRenderer.removeEventListener("status",this[px]),this[wy].arRenderer.removeEventListener("tracking",this[mx]),this[ux].removeEventListener("message",this[gx])}update(t){super.update(t),t.has("arScale")&&(this[xy].canScale="fixed"!==this.arScale),t.has("arPlacement")&&(this[xy].updateShadow(),this[Sy]()),t.has("arModes")&&(this[hx]=$E(this.arModes)),(t.has("ar")||t.has("arModes")||t.has("src")||t.has("iosSrc"))&&this[fx]()}async activateAR(){switch(this[cx]){case tx:await this[ox]();break;case ix:await this[sx]();break;case ex:this[ax]();break;default:console.warn("No AR Mode can be activated. This is probably due to missing configuration or device capabilities")}}async[(i=lx,n=rx,r=ux,s=hx,a=cx,o=dx,l=Ax,c=px,h=mx,u=gx,fx)](){var t;let e=nx;if(this.ar){if(null!=this.src)for(const i of this[hx]){if("webxr"===i&&Fh&&!YE&&await this[wy].arRenderer.supportsPresentation()){e=ix;break}if("scene-viewer"===i&&!KE&&(Hh||navigator.userAgentData&&navigator.userAgentData.getHighEntropyValues&&(null===(t=(await navigator.userAgentData.getHighEntropyValues(["formFactor"])).formFactor)||void 0===t?void 0:t.includes("XR")))){e=ex;break}if("quick-look"===i&&Vh){e=tx;break}}e===nx&&null!=this.iosSrc&&Vh&&(e=tx)}if(e!==nx)this[rx].classList.add("enabled"),this[rx].addEventListener("click",this[Ax]);else if(this[rx].classList.contains("enabled")){this[rx].removeEventListener("click",this[Ax]),this[rx].classList.remove("enabled");const t=Pg;this.setAttribute("ar-status",t),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:t}}))}this[cx]=e}async[sx](){console.log("Attempting to present in AR with WebXR..."),await this[vx]();try{this[rx].removeEventListener("click",this[Ax]);const{arRenderer:t}=this[wy];t.placeOnWall="wall"===this.arPlacement,await t.present(this[xy],this.xrEnvironment)}catch(t){console.warn("Error while trying to present in AR with WebXR"),console.error(t),await this[wy].arRenderer.stopPresenting(),YE=!0,console.warn("Falling back to next ar-mode"),await this[fx](),this.activateAR()}finally{this[fx]()}}async[vx](){this.loaded||(this[dx]=!0,this[fy](),await((t,e,i=null)=>new Promise((n=>{t.addEventListener(e,(function r(s){i&&!i(s)||(n(s),t.removeEventListener(e,r))}))})))(this,"load"),this[dx]=!1)}[Ry](){return super[Ry]()||this[dx]}[ax](){const t=self.location.toString(),e=new URL(t),i=new URL(this.src,t);i.hash&&(i.hash="");const n=new URLSearchParams(i.search);if(e.hash=JE,n.set("mode","ar_preferred"),n.has("disable_occlusion")||n.set("disable_occlusion","true"),"fixed"===this.arScale&&n.set("resizable","false"),"wall"===this.arPlacement&&n.set("enable_vertical_placement","true"),n.has("sound")){const e=new URL(n.get("sound"),t);n.set("sound",e.toString())}if(n.has("link")){const e=new URL(n.get("link"),t);n.set("link",e.toString())}const r=`intent://arvr.google.com/scene-viewer/1.2?${n.toString()+"&file="+encodeURIComponent(i.toString())}#Intent;scheme=https;package=com.google.android.googlequicksearchbox;action=android.intent.action.VIEW;S.browser_fallback_url=${encodeURIComponent(e.toString())};end;`;self.addEventListener("hashchange",(()=>{self.location.hash===JE&&(KE=!0,self.history.back(),console.warn("Error while trying to present in AR with Scene Viewer"),console.warn("Falling back to next ar-mode"),this[fx]())}),{once:!0}),this[ux].setAttribute("href",r),console.log("Attempting to present in AR with Scene Viewer..."),this[ux].click()}async[ox](){const t=!this.iosSrc;this[rx].classList.remove("enabled");const e=t?await this.prepareUSDZ():this.iosSrc,i=new URL(e,self.location.toString());if(t){const t=self.location.toString(),e=new URL(t),n=new URL(this.src,e);n.hash&&(i.hash=n.hash)}"fixed"===this.arScale&&(i.hash&&(i.hash+="&"),i.hash+="allowsContentScaling=0");const n=this[ux];n.setAttribute("rel","ar");const r=document.createElement("img");n.appendChild(r),n.setAttribute("href",i.toString()),t&&n.setAttribute("download","model.usdz"),n.style.display="none",n.isConnected||this.shadowRoot.appendChild(n),console.log("Attempting to present in AR with Quick Look..."),n.click(),n.removeChild(r),t&&URL.revokeObjectURL(e),this[rx].classList.add("enabled")}async prepareUSDZ(){const t=this[by].beginActivity("usdz-conversion");await this[vx]();const{model:e,shadow:i,target:n}=this[xy];if(null==e)return"";let r=!1;null!=i&&(r=i.visible,i.visible=!1),t(.2);const s=new FE;n.remove(e),e.position.copy(n.position),e.updateWorldMatrix(!1,!0);const a=await s.parse(e);e.position.set(0,0,0),n.add(e);const o=new Blob([a],{type:"model/vnd.usdz+zip"}),l=URL.createObjectURL(o);return t(1),null!=i&&(i.visible=r),l}}return jE([e({type:Boolean,attribute:"ar"})],d.prototype,"ar",void 0),jE([e({type:String,attribute:"ar-scale"})],d.prototype,"arScale",void 0),jE([e({type:String,attribute:"ar-placement"})],d.prototype,"arPlacement",void 0),jE([e({type:String,attribute:"ar-modes"})],d.prototype,"arModes",void 0),jE([e({type:String,attribute:"ios-src"})],d.prototype,"iosSrc",void 0),jE([e({type:Boolean,attribute:"xr-environment"})],d.prototype,"xrEnvironment",void 0),d})((t=>{var i,n,r,s,a,o,l,c;class h extends t{constructor(...t){super(...t),this.poster=null,this.reveal=yx,this.loading=Ex,this[i]=!1,this[n]=!1,this[r]=this.shadowRoot.querySelector(".slot.poster"),this[s]=this.shadowRoot.querySelector("#default-poster"),this[a]=this.shadowRoot.querySelector("#default-progress-bar > .bar"),this[o]=this[Ix].getAttribute("aria-label"),this[l]=((t,e)=>{let i=null;const n=(...n)=>{null==i&&(t(...n),i=self.setTimeout((()=>i=null),e))};return n.flush=()=>{null!=i&&(self.clearTimeout(i),i=null)},n})((t=>{const e=this[Sx].parentNode;requestAnimationFrame((()=>{this[Sx].style.transform=`scaleX(${t})`,0===t&&(e.removeChild(this[Sx]),e.appendChild(this[Sx])),this[Sx].classList.toggle("hide",1===t)}))}),100),this[c]=t=>{const e=t.detail.totalProgress,i=t.detail.reason;1===e&&(this[Tx].flush(),this.loaded&&(this[Mx]||this.reveal===yx)&&this[wx]()),this[Tx](e),this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:e,reason:i}}))};const e=self.ModelViewerElement||{},h=e.dracoDecoderLocation||"https://www.gstatic.com/draco/versioned/decoders/1.5.6/";hA.setDRACODecoderLocation(h);const u=e.ktx2TranscoderLocation||"https://www.gstatic.com/basis-universal/versioned/2021-04-15-ba1c3e4/";hA.setKTX2TranscoderLocation(u),e.meshoptDecoderLocation&&hA.setMeshoptDecoderLocation(e.meshoptDecoderLocation);const d=e.lottieLoaderLocation||"https://cdn.jsdelivr.net/npm/[email protected]/examples/jsm/loaders/LottieLoader.js";Bf.singleton.textureUtils.lottieLoaderUrl=d}static set dracoDecoderLocation(t){hA.setDRACODecoderLocation(t)}static get dracoDecoderLocation(){return hA.getDRACODecoderLocation()}static set ktx2TranscoderLocation(t){hA.setKTX2TranscoderLocation(t)}static get ktx2TranscoderLocation(){return hA.getKTX2TranscoderLocation()}static set meshoptDecoderLocation(t){hA.setMeshoptDecoderLocation(t)}static get meshoptDecoderLocation(){return hA.getMeshoptDecoderLocation()}static set lottieLoaderLocation(t){Bf.singleton.textureUtils.lottieLoaderUrl=t}static get lottieLoaderLocation(){return Bf.singleton.textureUtils.lottieLoaderUrl}static mapURLs(t){Bf.singleton.loader[oA].manager.setURLModifier(t)}dismissPoster(){this.loaded?this[wx]():(this[Mx]=!0,this[fy]())}showPoster(){const t=this[Cx];if(t.classList.contains("show"))return;t.classList.add("show"),this[yy].classList.remove("show");const e=this[Ix];e.removeAttribute("tabindex"),e.removeAttribute("aria-hidden");const i=this.modelIsVisible;this[bx]=!1,this[uy](i)}getDimensions(){return Dy(this[xy].size)}getBoundingBoxCenter(){return Dy(this[xy].boundingBox.getCenter(new ke))}connectedCallback(){super.connectedCallback(),this.loaded||this.showPoster(),this[by].addEventListener("progress",this[Rx])}disconnectedCallback(){super.disconnectedCallback(),this[by].removeEventListener("progress",this[Rx])}async updated(t){super.updated(t),t.has("poster")&&null!=this.poster&&(this[Ix].style.backgroundImage=`url(${this.poster})`),t.has("alt")&&this[Ix].setAttribute("aria-label",this[Ay]),(t.has("reveal")||t.has("loading"))&&this[fy]()}[(i=bx,n=Mx,r=Cx,s=Ix,a=Sx,o=Bx,l=Tx,c=Rx,Ry)](){return!!this.src&&(this[Mx]||this.loading===xx||this.reveal===yx&&this[hy])}[wx](){this[Mx]=!1;const t=this[Cx];if(!t.classList.contains("show"))return;t.classList.remove("show"),this[yy].classList.add("show");const e=this.modelIsVisible;this[bx]=!0,this[uy](e);const i=this.getRootNode();i&&i.activeElement===this&&this[yy].focus();const n=this[Ix];n.setAttribute("aria-hidden","true"),n.tabIndex=-1,this.dispatchEvent(new CustomEvent("poster-dismissed"))}[By](){return super[By]()&&this[bx]}}return _x([e({type:String})],h.prototype,"poster",void 0),_x([e({type:String})],h.prototype,"reveal",void 0),_x([e({type:String})],h.prototype,"loading",void 0),h})((t=>{var i;class n extends t{constructor(...t){super(t),this.autoplay=!1,this.animationName=void 0,this.animationCrossfadeDuration=300,this[i]=!0,this[xy].subscribeMixerEvent("loop",(t=>{const e=t.action._loopCount;this.dispatchEvent(new CustomEvent("loop",{detail:{count:e}}))})),this[xy].subscribeMixerEvent("finished",(()=>{this[Fy]=!0,this.dispatchEvent(new CustomEvent("finished"))}))}get availableAnimations(){return this.loaded?this[xy].animationNames:[]}get duration(){return this[xy].duration}get paused(){return this[Fy]}get currentTime(){return this[xy].animationTime}set currentTime(t){this[xy].animationTime=t,this[Sy]()}get timeScale(){return this[xy].animationTimeScale}set timeScale(t){this[xy].animationTimeScale=t}pause(){this[Fy]||(this[Fy]=!0,this.dispatchEvent(new CustomEvent("pause")))}play(t){this.availableAnimations.length>0&&(this[Fy]=!1,this[Ny](t),this.dispatchEvent(new CustomEvent("play")))}[(i=Fy,Iy)](){super[Iy](),this[Fy]=!0,null!=this.animationName&&this[Ny](),this.autoplay&&this.play()}[Cy](t,e){super[Cy](t,e),this[Fy]||!this[By]()&&!this[wy].isPresenting||(this[xy].updateAnimation(e/1e3),this[Sy]())}updated(t){super.updated(t),t.has("autoplay")&&this.autoplay&&this.play(),t.has("animationName")&&this[Ny]()}[Ny](t=Qy){var e;const i=null!==(e=t.repetitions)&&void 0!==e?e:1/0,n=t.pingpong?Ct:1===i?2200:St;this[xy].playAnimation(this.animationName,this.animationCrossfadeDuration/1e3,n,i),this[Fy]&&(this[xy].updateAnimation(0),this[Sy]())}}return Py([e({type:Boolean})],n.prototype,"autoplay",void 0),Py([e({type:String,attribute:"animation-name"})],n.prototype,"animationName",void 0),Py([e({type:Number,attribute:"animation-crossfade-duration"})],n.prototype,"animationCrossfadeDuration",void 0),n})(Uy))))))));customElements.define("model-viewer",Ox);export{tl as CanvasTexture,bl as FileLoader,Il as Loader,Ox as ModelViewerElement,j as NearestFilter};
1093//# sourceMappingURL=model-viewer.min.js.map