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ie(e,t,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?e+(t-e)*6*i:i<.5?t:i<2/3?e+(t-e)*6*(2/3-i):e}function it(e,t){return t.r=e.r,t.g=e.g,t.b=e.b,t}var ii=class{constructor(e,t,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,void 0===t&&void 0===i?this.set(e):this.setRGB(e,t,i)}set(e){return e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=tI){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,t5.toWorkingColorSpace(this,t),this}setRGB(e,t,i,r=t5.workingColorSpace){return this.r=e,this.g=t,this.b=i,t5.toWorkingColorSpace(this,r),this}setHSL(e,t,i,r=t5.workingColorSpace){if(e=tV(e,1),t=tU(t,0,1),i=tU(i,0,1),0===t)this.r=this.g=this.b=i;else{let r=i<=.5?i*(1+t):i+t-i*t,s=2*i-r;this.r=ie(s,r,e+1/3),this.g=ie(s,r,e),this.b=ie(s,r,e-1/3)}return t5.toWorkingColorSpace(this,r),this}setStyle(e,t=tI){let i;function r(t){void 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e=i[1],r=e.length;if(3===r)return this.r=parseInt(e.charAt(0)+e.charAt(0),16)/255,this.g=parseInt(e.charAt(1)+e.charAt(1),16)/255,this.b=parseInt(e.charAt(2)+e.charAt(2),16)/255,t5.toWorkingColorSpace(this,t),this;if(6===r)return this.r=parseInt(e.charAt(0)+e.charAt(1),16)/255,this.g=parseInt(e.charAt(2)+e.charAt(3),16)/255,this.b=parseInt(e.charAt(4)+e.charAt(5),16)/255,t5.toWorkingColorSpace(this,t),this}return e&&e.length>0?this.setColorName(e,t):this}setColorName(e,t=tI){let i=t6[e.toLowerCase()];return void 0!==i?this.setHex(i,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=t2(e.r),this.g=t2(e.g),this.b=t2(e.b),this}copyLinearToSRGB(e){return this.r=t3(e.r),this.g=t3(e.g),this.b=t3(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=tI){return t5.fromWorkingColorSpace(it(this,t8),e),tU(255*t8.r,0,255)<<16^tU(255*t8.g,0,255)<<8^tU(255*t8.b,0,255)<<0}getHexString(e=tI){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=t5.workingColorSpace){t5.fromWorkingColorSpace(it(this,t8),t);let i=t8.r,r=t8.g,s=t8.b,a=Math.max(i,r,s),o=Math.min(i,r,s),l,h,c=(o+a)/2;if(o===a)l=0,h=0;else{let e=a-o;switch(h=c<=.5?e/(a+o):e/(2-a-o),a){case i:l=(r-s)/e+(r<s?6:0);break;case r:l=(s-i)/e+2;break;case s:l=(i-r)/e+4}l/=6}return e.h=l,e.s=h,e.l=c,e}getRGB(e,t=t5.workingColorSpace){return t5.fromWorkingColorSpace(it(this,t8),t),e.r=t8.r,e.g=t8.g,e.b=t8.b,e}getStyle(e=tI){return t5.fromWorkingColorSpace(it(this,t8),e),e!==tI?`color(${e} ${t8.r} ${t8.g} ${t8.b})`:`rgb(${255*t8.r|0},${255*t8.g|0},${255*t8.b|0})`}offsetHSL(e,t,i){return this.getHSL(t9),t9.h+=e,t9.s+=t,t9.l+=i,this.setHSL(t9.h,t9.s,t9.l),this}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,i){return this.r=e.r+(t.r-e.r)*i,this.g=e.g+(t.g-e.g)*i,this.b=e.b+(t.b-e.b)*i,this}lerpHSL(e,t){this.getHSL(t9),e.getHSL(t7);let i=tj(t9.h,t7.h,t),r=tj(t9.s,t7.s,t),s=tj(t9.l,t7.l,t);return this.setHSL(i,r,s),this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}};ii.NAMES=t6;var ir,is=class{static getDataURL(e){let t;if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;if(e instanceof HTMLCanvasElement)t=e;else{void 0===ir&&(ir=t1("canvas")),ir.width=e.width,ir.height=e.height;let i=ir.getContext("2d");e instanceof ImageData?i.putImageData(e,0,0):i.drawImage(e,0,0,e.width,e.height),t=ir}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}static sRGBToLinear(e){if("u">typeof HTMLImageElement&&e instanceof HTMLImageElement||"u">typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"u">typeof ImageBitmap&&e instanceof ImageBitmap){let t=t1("canvas");t.width=e.width,t.height=e.height;let i=t.getContext("2d");i.drawImage(e,0,0,e.width,e.height);let r=i.getImageData(0,0,e.width,e.height),s=r.data;for(let e=0;e<s.length;e++)s[e]=255*t2(s[e]/255);return i.putImageData(r,0,0),t}if(!e.data)return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e;{let t=e.data.slice(0);for(let e=0;e<t.length;e++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[e]=Math.floor(255*t2(t[e]/255

2)):t[e]=t2(t[e]);return{data:t,width:e.width,height:e.height}}}},ia=class{constructor(e=null){this.isSource=!0,this.uuid=tk(),this.data=e,this.version=0}set needsUpdate(e){!0===e&&this.version++}toJSON(e){let t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.images[this.uuid])return e.images[this.uuid];let i={uuid:this.uuid,url:""},r=this.data;if(null!==r){let e;if(Array.isArray(r)){e=[];for(let t=0,i=r.length;t<i;t++)r[t].isDataTexture?e.push(io(r[t].image)):e.push(io(r[t]))}else e=io(r);i.url=e}return t||(e.images[this.uuid]=i),i}};function io(e){return"u">typeof HTMLImageElement&&e instanceof HTMLImageElement||"u">typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"u">typeof ImageBitmap&&e instanceof ImageBitmap?is.getDataURL(e):e.data?{data:Array.from(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}var il=0,ih=class extends tL{constructor(e=ih.DEFAULT_IMAGE,t=ih.DEFAULT_MAPPING,i=1001,r=1001,s=1006,a=1008,o=1023,l=1009,h=ih.DEFAULT_ANISOTROPY,c=3e3){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:il++}),this.uuid=tk(),this.name="",this.source=new ia(e),this.mipmaps=[],this.mapping=t,this.wrapS=i,this.wrapT=r,this.magFilter=s,this.minFilter=a,this.anisotropy=h,this.format=o,this.internalFormat=null,this.type=l,this.offset=new tQ(0,0),this.repeat=new tQ(1,1),this.center=new tQ(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new tK,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=c,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(e){this.source.data=e}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(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}toJSON(e){let t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];let i={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).uuid,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(i.userData=this.userData),t||(e.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(300!==this.mapping)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case 1e3:e.x=e.x-Math.floor(e.x);break;case 1001:e.x=e.x<0?0:1;break;case 1002:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapT){case 1e3:e.y=e.y-Math.floor(e.y);break;case 1001:e.y=e.y<0?0:1;break;case 1002:1===Math.abs(Math.floor(e.y)%2)?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y)}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){!0===e&&(this.version++,this.source.needsUpdate=!0)}};ih.DEFAULT_IMAGE=null,ih.DEFAULT_MAPPING=300,ih.DEFAULT_ANISOTROPY=1;var ic=class{constructor(e=0,t=0,i=0,r=1){ic.prototype.isVector4=!0,this.x=e,this.y=t,this.z=i,this.w=r}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,i,r){return this.x=e,this.y=t,this.z=i,this.w=r,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}

2sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){let t=this.x,i=this.y,r=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*i+a[8]*r+a[12]*s,this.y=a[1]*t+a[5]*i+a[9]*r+a[13]*s,this.z=a[2]*t+a[6]*i+a[10]*r+a[14]*s,this.w=a[3]*t+a[7]*i+a[11]*r+a[15]*s,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);let t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,i,r,s,a=e.elements,o=a[0],l=a[4],h=a[8],c=a[1],d=a[5],u=a[9],p=a[2],f=a[6],m=a[10];if(.01>Math.abs(l-c)&&.01>Math.abs(h-p)&&.01>Math.abs(u-f)){if(.1>Math.abs(l+c)&&.1>Math.abs(h+p)&&.1>Math.abs(u+f)&&.1>Math.abs(o+d+m-3))return this.set(1,0,0,0),this;t=Math.PI;let e=(o+1)/2,a=(d+1)/2,g=(m+1)/2,v=(l+c)/4,y=(h+p)/4,x=(u+f)/4;return e>a&&e>g?e<.01?(i=0,r=.707106781,s=.707106781):(r=v/(i=Math.sqrt(e)),s=y/i):a>g?a<.01?(i=.707106781,r=0,s=.707106781):(i=v/(r=Math.sqrt(a)),s=x/r):g<.01?(i=.707106781,r=.707106781,s=0):(i=y/(s=Math.sqrt(g)),r=x/s),this.set(i,r,s,t),this}let g=Math.sqrt((f-u)*(f-u)+(h-p)*(h-p)+(c-l)*(c-l));return .001>Math.abs(g)&&(g=1),this.x=(f-u)/g,this.y=(h-p)/g,this.z=(c-l)/g,this.w=Math.acos((o+d+m-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){let i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(e,Math.min(t,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}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.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(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this.w=e.w+(t.w-e.w)*i,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),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}},id=class extends tL{constructor(e=1,t=1,i={}

2){super(),this.isWebGLRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new ic(0,0,e,t),this.scissorTest=!1,this.viewport=new ic(0,0,e,t),this.texture=new ih({width:e,height:t,depth:1},i.mapping,i.wrapS,i.wrapT,i.magFilter,i.minFilter,i.format,i.type,i.anisotropy,i.encoding),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=void 0!==i.generateMipmaps&&i.generateMipmaps,this.texture.internalFormat=void 0!==i.internalFormat?i.internalFormat:null,this.texture.minFilter=void 0!==i.minFilter?i.minFilter:1006,this.depthBuffer=void 0===i.depthBuffer||i.depthBuffer,this.stencilBuffer=void 0!==i.stencilBuffer&&i.stencilBuffer,this.depthTexture=void 0!==i.depthTexture?i.depthTexture:null,this.samples=void 0!==i.samples?i.samples:0}setSize(e,t,i=1){(this.width!==e||this.height!==t||this.depth!==i)&&(this.width=e,this.height=t,this.depth=i,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=i,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.isRenderTargetTexture=!0;let t=Object.assign({},e.texture.image);return this.texture.source=new ia(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,null!==e.depthTexture&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}},iu=class extends ih{constructor(e=null,t=1,i=1,r=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:i,depth:r},this.magFilter=1003,this.minFilter=1003,this.wrapR=1001,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},ip=class extends ih{constructor(e=null,t=1,i=1,r=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:i,depth:r},this.magFilter=1003,this.minFilter=1003,this.wrapR=1001,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},im=class extends id{constructor(e=1,t=1,i=1,r={}){super(e,t,r),this.isWebGLMultipleRenderTargets=!0;let s=this.texture;this.texture=[];for(let e=0;e<i;e++)this.texture[e]=s.clone(),this.texture[e].isRenderTargetTexture=!0}setSize(e,t,i=1){if(this.width!==e||this.height!==t||this.depth!==i){this.width=e,this.height=t,this.depth=i;for(let r=0,s=this.texture.length;r<s;r++)this.texture[r].image.width=e,this.texture[r].image.height=t,this.texture[r].image.depth=i;this.dispose()}return this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t),this}copy(e){this.dispose(),this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.set(0,0,this.width,this.height),this.scissor.set(0,0,this.width,this.height),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,null!==e.depthTexture&&(this.depthTexture=e.depthTexture.clone()),this.texture.length=0;for(let t=0,i=e.texture.length;t<i;t++)this.texture[t]=e.texture[t].clone(),this.texture[t].isRenderTargetTexture=!0;return this}},ig=class{constructor(e=0,t=0,i=0,r=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=i,this._w=r}static slerpFlat(e,t,i,r,s,a,o){let l=i[r+0],h=i[r+1],c=i[r+2],d=i[r+3],u=s[a+0],p=s[a+1],f=s[a+2],m=s[a+3];if(0===o){e[t+0]=l,e[t+1]=h,e[t+2]=c,e[t+3]=d;return}if(1===o){e[t+0]=u,e[t+1]=p,e[t+2]=f,e[t+3]=m;return}if(d!==m||l!==u||h!==p||c!==f){let e=1-o,t=l*u+h*p+c*f+d*m,i=t>=0?1:-1,r=1-t*t;if(r>Number.EPSILON){let s=Math.sqrt(r),a=Math.atan2(s,t*i);e=Math.sin(e*a)/s,o=Math.sin(o*a)/s}let s=o*i;if(l=l*e+u*s,h=h*e+p*s,c=c*e+f*s,d=d*e+m*s,e===1-o){let e=1/Math.sqrt(l*l+h*h+c*c+d*d);l*=e,h*=e,c*=e,d*=e}}e[t]=l,e[t+1]=h,e[t+2]=c,e[t+3]=d}static multiplyQuaternionsFlat(e,t,i,r,s,a){let o=i[r],l=i[r+1],h=i[r+2],c=i[r+3],d=s[a],u=s[a+1],p=s[a+2],f=s[a+3];return e[t]=o*f+c*d+l*p-h*u,e[t+1]=l*f+c*u+h*d-o*p,e[t+2]=h*f+c*p+o*u-l*d,e[t+3]=c*f-o*d-l*u-h*p,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,i,r){return this._x=e,this._y=t,this._z=i,this._w=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t){let i=e._x,r=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,h=o(i/2),c=o(r/2),d=o(s/2),u=l(i/2),p=l(r/2),f=l(s/2);switch(a){case"XYZ":this._x=u*c*d+h*p*f,this._y=h*p*d-u*c*f,this._z=h*c*f+u*p*d,this._w=h*c*d-u*p*f;break;case"YXZ":this._x=u*c*d+h*p*f,this._y=h*p*d-u*c*f,this._z=h*c*f-u*p*d,this._w=h*c*d+u*p*f;break;case"ZXY":this._x=u*c*d-h*p*f,this._y=h*p*d+u*c*f,this._z=h*c*f+u*p*d,this._w=h*c*d-u*p*f;break;case"ZYX":this._x=u*c*d-h*p*f,this._y=h*p*d+u*c*f,this._z=h*c*f-u*p*d,this._w=h*c*d+u*p*f;break;case"YZX":this._x=u*c*d+h*p*f,this._y=h*p*d+u*c*f,this._z=h*c*f-u*p*d,this._w=h*c*d-u*p*f;break;case"XZY":this._x=u*c*d-h*p*f,this._y=h*p*d-u*c*f,this._z=h*c*f+u*p*d,this._w=h*c*d+u*p*f;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==t&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let i=t/2,r=Math.sin(i);return this._x=e.x*r,this._y=e.y*r,this._z=e.z*r,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,i=t[0],r=t[4],s=t[8],a=t[1],o=t[5],l=t[9],h=t[2],c=t[6],d=t[10],u=i+o+d;if(u>0){let e=.5/Math.sqrt(u+1);this._w=.25/e,this._x=(c-l)*e,this._y=(s-h)*e,this._z=(a-r)*e}else if(i>o&&i>d){let e=2*Math.sqrt(1+i-o-d);

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this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){e.updateWorldMatrix(!1,!1);let i=e.geometry;if(void 0!==i){if(t&&null!=i.attributes&&void 0!==i.attributes.position){let t=i.attributes.position;for(let i=0,r=t.count;i<r;i++)iS.fromBufferAttribute(t,i).applyMatrix4(e.matrixWorld),this.expandByPoint(iS)}else null===i.boundingBox&&i.computeBoundingBox(),i_.copy(i.boundingBox),i_.applyM

2atrix4(e.matrixWorld),this.union(i_)}let r=e.children;for(let e=0,i=r.length;e<i;e++)this.expandByObject(r[e],t);return this}containsPoint(e){return!(e.x<this.min.x||e.x>this.max.x||e.y<this.min.y||e.y>this.max.y||e.z<this.min.z||e.z>this.max.z)}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return!(e.max.x<this.min.x||e.min.x>this.max.x||e.max.y<this.min.y||e.min.y>this.max.y||e.max.z<this.min.z||e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,iS),iS.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,i;return e.normal.x>0?(t=e.normal.x*this.min.x,i=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,i=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,i+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,i+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,i+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,i+=e.normal.z*this.min.z),t<=-e.constant&&i>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(iD),iI.subVectors(this.max,iD),iA.subVectors(e.a,iD),iM.subVectors(e.b,iD),iE.subVectors(e.c,iD),iC.subVectors(iM,iA),iT.subVectors(iE,iM),iP.subVectors(iA,iE);let t=[0,-iC.z,iC.y,0,-iT.z,iT.y,0,-iP.z,iP.y,iC.z,0,-iC.x,iT.z,0,-iT.x,iP.z,0,-iP.x,-iC.y,iC.x,0,-iT.y,iT.x,0,-iP.y,iP.x,0];return!!(iL(t,iA,iM,iE,iI)&&iL(t=[1,0,0,0,1,0,0,0,1],iA,iM,iE,iI))&&(iO.crossVectors(iC,iT),iL(t=[iO.x,iO.y,iO.z],iA,iM,iE,iI))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return iS.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return this.getCenter(e.center),e.radius=.5*this.getSize(iS).length(),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()||(iw[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),iw[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),iw[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),iw[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),iw[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),iw[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),iw[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),iw[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(iw)),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}},iw=[new iv,new iv,new iv,new iv,new iv,new iv,new iv,new iv],iS=new iv,i_=new ib,iA=new iv,iM=new iv,iE=new iv,iC=new iv,iT=new iv,iP=new iv,iD=new iv,iI=new iv,iO=new iv,iR=new iv;function iL(e,t,i,r,s){for(let a=0,o=e.length-3;a<=o;a+=3){iR.fromArray(e,a);let o=s.x*Math.abs(iR.x)+s.y*Math.abs(iR.y)+s.z*Math.abs(iR.z),l=t.dot(iR),h=i.dot(iR),c=r.dot(iR);if(Math.max(-Math.max(l,h,c),Math.min(l,h,c))>o)return!1}return!0}var iB=new ib,iz=new iv,iF=new iv,iN=class{constructor(e=new iv,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let i=this.center;void 0!==t?i.copy(t):iB.setFromPoints(e).getCenter(i);let r=0;for(let t=0,s=e.length;t<s;t++)r=Math.max(r,i.distanceToSquared(e[t]));return this.radius=Math.sqrt(r),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){let t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){let i=this.center.distanceToSquared(e);return t.copy(e),i>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?e.makeEmpty():(e.set(this.center,this.center),e.expandByScalar(this.radius)),e}

2applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;iz.subVectors(e,this.center);let t=iz.lengthSq();if(t>this.radius*this.radius){let e=Math.sqrt(t),i=(e-this.radius)*.5;this.center.addScaledVector(iz,i/e),this.radius+=i}return this}union(e){return e.isEmpty()||(this.isEmpty()?this.copy(e):!0===this.center.equals(e.center)?this.radius=Math.max(this.radius,e.radius):(iF.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(iz.copy(e.center).add(iF)),this.expandByPoint(iz.copy(e.center).sub(iF)))),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}},ik=new iv,iU=new iv,iV=new iv,ij=new iv,iG=new iv,iH=new iv,iW=new iv,iq=class{constructor(e=new iv,t=new iv(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.direction).multiplyScalar(e).add(this.origin)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,ik)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let i=t.dot(this.direction);return i<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(i).add(this.origin)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=ik.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(ik.copy(this.direction).multiplyScalar(t).add(this.origin),ik.distanceToSquared(e))}distanceSqToSegment(e,t,i,r){iU.copy(e).add(t).multiplyScalar(.5),iV.copy(t).sub(e).normalize(),ij.copy(this.origin).sub(iU);let s=.5*e.distanceTo(t),a=-this.direction.dot(iV),o=ij.dot(this.direction),l=-ij.dot(iV),h=ij.lengthSq(),c=Math.abs(1-a*a),d,u,p,f;if(c>0){if(d=a*l-o,u=a*o-l,f=s*c,d>=0){if(u>=-f){if(u<=f){let e=1/c;d*=e,u*=e,p=d*(d+a*u+2*o)+u*(a*d+u+2*l)+h}else p=-(d=Math.max(0,-(a*(u=s)+o)))*d+u*(u+2*l)+h}else p=-(d=Math.max(0,-(a*(u=-s)+o)))*d+u*(u+2*l)+h}else u<=-f?(u=(d=Math.max(0,-(-a*s+o)))>0?-s:Math.min(Math.max(-s,-l),s),p=-d*d+u*(u+2*l)+h):u<=f?(d=0,p=(u=Math.min(Math.max(-s,-l),s))*(u+2*l)+h):(u=(d=Math.max(0,-(a*s+o)))>0?s:Math.min(Math.max(-s,-l),s),p=-d*d+u*(u+2*l)+h)}else u=a>0?-s:s,p=-(d=Math.max(0,-(a*u+o)))*d+u*(u+2*l)+h;return i&&i.copy(this.direction).multiplyScalar(d).add(this.origin),r&&r.copy(iV).multiplyScalar(u).add(iU),p}intersectSphere(e,t){ik.subVectors(e.center,this.origin);let i=ik.dot(this.direction),r=ik.dot(ik)-i*i,s=e.radius*e.radius;if(r>s)return null;let a=Math.sqrt(s-r),o=i-a,l=i+a;return o<0&&l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;let i=-(this.origin.dot(e.normal)+e.constant)/t;return i>=0?i:null}intersectPlane(e,t){let i=this.distanceToPlane(e);return null===i?null:this.at(i,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return 0===t||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let i,r,s,a,o,l,h=1/this.direction.x,c=1/this.direction.y,d=1/this.direction.z,u=this.origin;return h>=0?(i=(e.min.x-u.x)*h,r=(e.max.x-u.x)*h):(i=(e.max.x-u.x)*h,r=(e.min.x-u.x)*h),c>=0?(s=(e.min.y-u.y)*c,a=(e.max.y-u.y)*c):(s=(e.max.y-u.y)*c,a=(e.min.y-u.y)*c),i>a||s>r||((s>i||isNaN(i))&&(i=s),(a<r||isNaN(r))&&(r=a),d>=0?(o=(e.min.z-u.z)*d,l=(e.max.z-u.z)*d):(o=(e.max.z-u.z)*d,l=(e.min.z-u.z)*d),i>l||o>r)||((o>i||i!=i)&&(i=o),(l<r||r!=r)&&(r=l),r<0)?null:this.at(i>=0?i:r,t)}intersectsBox(e){return null!==this.intersectBox(e,ik)}intersectTriangle(e,t,i,r,s){iG.subVectors(t,e),iH.subVectors(i,e),iW.crossVectors(iG,iH);let a=this.direction.dot(iW),o;if(a>0){if(r)return null;o=1}else{if(!(a<0))return null;o=-1,a=-a}ij.subVectors(this.origin,e);let l=o*this.direction.dot(iH.crossVectors(ij,iH));if(l<0)return null;let h=o*this.direction.dot(iG.cross(ij));if(h<0||l+h>a)return null;

2let c=-o*ij.dot(iW);return c<0?null:this.at(c/a,s)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},iX=class{constructor(){iX.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set(e,t,i,r,s,a,o,l,h,c,d,u,p,f,m,g){let v=this.elements;return v[0]=e,v[4]=t,v[8]=i,v[12]=r,v[1]=s,v[5]=a,v[9]=o,v[13]=l,v[2]=h,v[6]=c,v[10]=d,v[14]=u,v[3]=p,v[7]=f,v[11]=m,v[15]=g,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 iX().fromArray(this.elements)}copy(e){let t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],t[9]=i[9],t[10]=i[10],t[11]=i[11],t[12]=i[12],t[13]=i[13],t[14]=i[14],t[15]=i[15],this}copyPosition(e){let t=this.elements,i=e.elements;return t[12]=i[12],t[13]=i[13],t[14]=i[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,i){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this}makeBasis(e,t,i){return this.set(e.x,t.x,i.x,0,e.y,t.y,i.y,0,e.z,t.z,i.z,0,0,0,0,1),this}extractRotation(e){let t=this.elements,i=e.elements,r=1/iY.setFromMatrixColumn(e,0).length(),s=1/iY.setFromMatrixColumn(e,1).length(),a=1/iY.setFromMatrixColumn(e,2).length();return t[0]=i[0]*r,t[1]=i[1]*r,t[2]=i[2]*r,t[3]=0,t[4]=i[4]*s,t[5]=i[5]*s,t[6]=i[6]*s,t[7]=0,t[8]=i[8]*a,t[9]=i[9]*a,t[10]=i[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){let t=this.elements,i=e.x,r=e.y,s=e.z,a=Math.cos(i),o=Math.sin(i),l=Math.cos(r),h=Math.sin(r),c=Math.cos(s),d=Math.sin(s);if("XYZ"===e.order){let e=a*c,i=a*d,r=o*c,s=o*d;t[0]=l*c,t[4]=-l*d,t[8]=h,t[1]=i+r*h,t[5]=e-s*h,t[9]=-o*l,t[2]=s-e*h,t[6]=r+i*h,t[10]=a*l}else if("YXZ"===e.order){let e=l*c,i=l*d,r=h*c,s=h*d;t[0]=e+s*o,t[4]=r*o-i,t[8]=a*h,t[1]=a*d,t[5]=a*c,t[9]=-o,t[2]=i*o-r,t[6]=s+e*o,t[10]=a*l}else if("ZXY"===e.order){let e=l*c,i=l*d,r=h*c,s=h*d;t[0]=e-s*o,t[4]=-a*d,t[8]=r+i*o,t[1]=i+r*o,t[5]=a*c,t[9]=s-e*o,t[2]=-a*h,t[6]=o,t[10]=a*l}else if("ZYX"===e.order){let e=a*c,i=a*d,r=o*c,s=o*d;t[0]=l*c,t[4]=r*h-i,t[8]=e*h+s,t[1]=l*d,t[5]=s*h+e,t[9]=i*h-r,t[2]=-h,t[6]=o*l,t[10]=a*l}else if("YZX"===e.order){let e=a*l,i=a*h,r=o*l,s=o*h;t[0]=l*c,t[4]=s-e*d,t[8]=r*d+i,t[1]=d,t[5]=a*c,t[9]=-o*c,t[2]=-h*c,t[6]=i*d+r,t[10]=e-s*d}else if("XZY"===e.order){let e=a*l,i=a*h,r=o*l,s=o*h;t[0]=l*c,t[4]=-d,t[8]=h*c,t[1]=e*d+s,t[5]=a*c,t[9]=i*d-r,t[2]=r*d-i,t[6]=o*c,t[10]=s*d+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(iK,e,iZ)}lookAt(e,t,i){let r=this.elements;return i0.subVectors(e,t),0===i0.lengthSq()&&(i0.z=1),i0.normalize(),iJ.crossVectors(i,i0),0===iJ.lengthSq()&&(1===Math.abs(i.z)?i0.x+=1e-4:i0.z+=1e-4,i0.normalize(),iJ.crossVectors(i,i0)),iJ.normalize(),i$.crossVectors(i0,iJ),r[0]=iJ.x,r[4]=i$.x,r[8]=i0.x,r[1]=iJ.y,r[5]=i$.y,r[9]=i0.y,r[2]=iJ.z,r[6]=i$.z,r[10]=i0.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let i=e.elements,r=t.elements,s=this.elements,a=i[0],o=i[4],l=i[8],h=i[12],c=i[1],d=i[5],u=i[9],p=i[13],f=i[2],m=i[6],g=i[10],v=i[14],y=i[3],x=i[7],b=i[11],w=i[15],S=r[0],_=r[4],A=r[8],M=r[12],E=r[1],C=r[5],T=r[9],P=r[13],D=r[2],I=r[6],O=r[10],R=r[14],L=r[3],B=r[7],z=r[11],F=r[15];return s[0]=a*S+o*E+l*D+h*L,s[4]=a*_+o*C+l*I+h*B,s[8]=a*A+o*T+l*O+h*z,s[12]=a*M+o*P+l*R+h*F,s[1]=c*S+d*E+u*D+p*L,s[5]=c*_+d*C+u*I+p*B,s[9]=c*A+d*T+u*O+p*z,s[13]=c*M+d*P+u*R+p*F,s[2]=f*S+m*E+g*D+v*L,s[6]=f*_+m*C+g*I+v*B,s[10]=f*A+m*T+g*O+v*z,s[14]=f*M+m*P+g*R+v*F,s[3]=y*S+x*E+b*D+w*L,s[7]=y*_+x*C+b*I+w*B,s[11]=y*A+x*T+b*O+w*z,s[15]=y*M+x*P+b*R+w*F,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],i=e[4],r=e[8],s=e[12],a=e[1],o=e[5],l=e[9],h=e[13],c=e[2],d=e[6],u=e[10],p=e[14];return e[3]*(+s*l*d-r*h*d-s*o*u+i*h*u+r*o*p-i*l*p)+e[7]*(+t*l*p-t*h*u+s*a*u-r*a*p+r*h*c-s*l*c)+e[11]*(+t*h*d-t*o*p-s*a*d+i*a*p+s*o*c-i*h*c)+e[15]*(-r*o*c-t*l*d+t*o*u+r*a*d-i*a*u+i*l*c)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,i){let r=this.elements;return e.isVector3?(r[12]=e.x,r[13]=e.y,r[14]=e.z):(r[12]=e,r[13]=t,r[14]=i),this}invert(){let e=this.elements,t=e[0],i=e[1],r=e[2],s=e[3],a=e[4],o=e[5],l=e[6],h=e[7],c=e[8],d=e[9],u=e[10],p=e[11],f=e[12],m=e[13],g=e[14],v=e[15],y=d

2*g*h-m*u*h+m*l*p-o*g*p-d*l*v+o*u*v,x=f*u*h-c*g*h-f*l*p+a*g*p+c*l*v-a*u*v,b=c*m*h-f*d*h+f*o*p-a*m*p-c*o*v+a*d*v,w=f*d*l-c*m*l-f*o*u+a*m*u+c*o*g-a*d*g,S=t*y+i*x+r*b+s*w;if(0===S)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let _=1/S;return e[0]=y*_,e[1]=(m*u*s-d*g*s-m*r*p+i*g*p+d*r*v-i*u*v)*_,e[2]=(o*g*s-m*l*s+m*r*h-i*g*h-o*r*v+i*l*v)*_,e[3]=(d*l*s-o*u*s-d*r*h+i*u*h+o*r*p-i*l*p)*_,e[4]=x*_,e[5]=(c*g*s-f*u*s+f*r*p-t*g*p-c*r*v+t*u*v)*_,e[6]=(f*l*s-a*g*s-f*r*h+t*g*h+a*r*v-t*l*v)*_,e[7]=(a*u*s-c*l*s+c*r*h-t*u*h-a*r*p+t*l*p)*_,e[8]=b*_,e[9]=(f*d*s-c*m*s-f*i*p+t*m*p+c*i*v-t*d*v)*_,e[10]=(a*m*s-f*o*s+f*i*h-t*m*h-a*i*v+t*o*v)*_,e[11]=(c*o*s-a*d*s-c*i*h+t*d*h+a*i*p-t*o*p)*_,e[12]=w*_,e[13]=(c*m*r-f*d*r+f*i*u-t*m*u-c*i*g+t*d*g)*_,e[14]=(f*o*r-a*m*r-f*i*l+t*m*l+a*i*g-t*o*g)*_,e[15]=(a*d*r-c*o*r+c*i*l-t*d*l-a*i*u+t*o*u)*_,this}scale(e){let t=this.elements,i=e.x,r=e.y,s=e.z;return t[0]*=i,t[4]*=r,t[8]*=s,t[1]*=i,t[5]*=r,t[9]*=s,t[2]*=i,t[6]*=r,t[10]*=s,t[3]*=i,t[7]*=r,t[11]*=s,this}getMaxScaleOnAxis(){let e=this.elements;return Math.sqrt(Math.max(e[0]*e[0]+e[1]*e[1]+e[2]*e[2],e[4]*e[4]+e[5]*e[5]+e[6]*e[6],e[8]*e[8]+e[9]*e[9]+e[10]*e[10]))}makeTranslation(e,t,i){return this.set(1,0,0,e,0,1,0,t,0,0,1,i,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),i=Math.sin(e);return this.set(1,0,0,0,0,t,-i,0,0,i,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,0,i,0,0,1,0,0,-i,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,0,i,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let i=Math.cos(t),r=Math.sin(t),s=1-i,a=e.x,o=e.y,l=e.z,h=s*a,c=s*o;return this.set(h*a+i,h*o-r*l,h*l+r*o,0,h*o+r*l,c*o+i,c*l-r*a,0,h*l-r*o,c*l+r*a,s*l*l+i,0,0,0,0,1),this}makeScale(e,t,i){return this.set(e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1),this}makeShear(e,t,i,r,s,a){return this.set(1,i,s,0,e,1,a,0,t,r,1,0,0,0,0,1),this}compose(e,t,i){let r=this.elements,s=t._x,a=t._y,o=t._z,l=t._w,h=s+s,c=a+a,d=o+o,u=s*h,p=s*c,f=s*d,m=a*c,g=a*d,v=o*d,y=l*h,x=l*c,b=l*d,w=i.x,S=i.y,_=i.z;return r[0]=(1-(m+v))*w,r[1]=(p+b)*w,r[2]=(f-x)*w,r[3]=0,r[4]=(p-b)*S,r[5]=(1-(u+v))*S,r[6]=(g+y)*S,r[7]=0,r[8]=(f+x)*_,r[9]=(g-y)*_,r[10]=(1-(u+m))*_,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}decompose(e,t,i){let r=this.elements,s=iY.set(r[0],r[1],r[2]).length(),a=iY.set(r[4],r[5],r[6]).length(),o=iY.set(r[8],r[9],r[10]).length();0>this.determinant()&&(s=-s),e.x=r[12],e.y=r[13],e.z=r[14],iQ.copy(this);let l=1/s,h=1/a,c=1/o;return iQ.elements[0]*=l,iQ.elements[1]*=l,iQ.elements[2]*=l,iQ.elements[4]*=h,iQ.elements[5]*=h,iQ.elements[6]*=h,iQ.elements[8]*=c,iQ.elements[9]*=c,iQ.elements[10]*=c,t.setFromRotationMatrix(iQ),i.x=s,i.y=a,i.z=o,this}makePerspective(e,t,i,r,s,a){let o=this.elements;return o[0]=2*s/(t-e),o[4]=0,o[8]=(t+e)/(t-e),o[12]=0,o[1]=0,o[5]=2*s/(i-r),o[9]=(i+r)/(i-r),o[13]=0,o[2]=0,o[6]=0,o[10]=-(a+s)/(a-s),o[14]=-2*a

2*s/(a-s),o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,i,r,s,a){let o=this.elements,l=1/(t-e),h=1/(i-r),c=1/(a-s);return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-((t+e)*l),o[1]=0,o[5]=2*h,o[9]=0,o[13]=-((i+r)*h),o[2]=0,o[6]=0,o[10]=-2*c,o[14]=-((a+s)*c),o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){let t=this.elements,i=e.elements;for(let e=0;e<16;e++)if(t[e]!==i[e])return!1;return!0}fromArray(e,t=0){for(let i=0;i<16;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){let i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e[t+9]=i[9],e[t+10]=i[10],e[t+11]=i[11],e[t+12]=i[12],e[t+13]=i[13],e[t+14]=i[14],e[t+15]=i[15],e}},iY=new iv,iQ=new iX,iK=new iv(0,0,0),iZ=new iv(1,1,1),iJ=new iv,i$=new iv,i0=new iv,i1=new iX,i2=new ig,i3=class{constructor(e=0,t=0,i=0,r=i3.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=i,this._order=r}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,i,r=this._order){return this._x=e,this._y=t,this._z=i,this._order=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,i=!0){let r=e.elements,s=r[0],a=r[4],o=r[8],l=r[1],h=r[5],c=r[9],d=r[2],u=r[6],p=r[10];switch(t){case"XYZ":this._y=Math.asin(tU(o,-1,1)),.9999999>Math.abs(o)?(this._x=Math.atan2(-c,p),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(u,h),this._z=0);break;case"YXZ":this._x=Math.asin(-tU(c,-1,1)),.9999999>Math.abs(c)?(this._y=Math.atan2(o,p),this._z=Math.atan2(l,h)):(this._y=Math.atan2(-d,s),this._z=0);break;case"ZXY":this._x=Math.asin(tU(u,-1,1)),.9999999>Math.abs(u)?(this._y=Math.atan2(-d,p),this._z=Math.atan2(-a,h)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-tU(d,-1,1)),.9999999>Math.abs(d)?(this._x=Math.atan2(u,p),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,h));break;case"YZX":this._z=Math.asin(tU(l,-1,1)),.9999999>Math.abs(l)?(this._x=Math.atan2(-c,h),this._y=Math.atan2(-d,s)):(this._x=0,this._y=Math.atan2(o,p));break;case"XZY":this._z=Math.asin(-tU(a,-1,1)),.9999999>Math.abs(a)?(this._x=Math.atan2(u,h),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-c,p),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!0===i&&this._onChangeCallback(),this}setFromQuaternion(e,t,i){return i1.makeRotationFromQuaternion(e),this.setFromRotationMatrix(i1,t,i)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return i2.setFromEuler(this),this.setFromQuaternion(i2,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}};i3.DEFAULT_ORDER="XYZ";var i4=class{constructor(){this.mask=1}set(e){this.mask=(1<<e|0)>>>0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return(this.mask&e.mask)!=0}isEnabled(e){return(this.mask&(1<<e|0))!=0}},i5=0,i6=new iv,i8=new ig,i9=new iX,i7=new iv,re=new iv,rt=new iv,ri=new ig,rr=new iv(1,0,0),rs=new iv(0,1,0),ra=new iv(0,0,1),rn={type:"added"},ro={type:"removed"},rl=class extends tL{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:i5++}),this.uuid=tk(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=rl.DEFAULT_UP.clone();let e=new iv,t=new i3,i=new ig,r=new iv(1,1,1);t._onChange(function(){i.setFromEuler(t,!1)}),i._onChange(function(){t.setFromQuaternion(i,void 0,!1)}),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:i},scale:{configurable:!0,enumerable:!0,value:r},modelViewMatrix:{value:new iX},normalMatrix:{value:new tK}}),this.matrix=new iX,this.matrixWorld=new iX,this.matrixAutoUpdate=rl.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.matrixWorldAutoUpdate=rl.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.layers=new i4,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}

2setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return i8.setFromAxisAngle(e,t),this.quaternion.multiply(i8),this}rotateOnWorldAxis(e,t){return i8.setFromAxisAngle(e,t),this.quaternion.premultiply(i8),this}rotateX(e){return this.rotateOnAxis(rr,e)}rotateY(e){return this.rotateOnAxis(rs,e)}rotateZ(e){return this.rotateOnAxis(ra,e)}translateOnAxis(e,t){return i6.copy(e).applyQuaternion(this.quaternion),this.position.add(i6.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(rr,e)}translateY(e){return this.translateOnAxis(rs,e)}translateZ(e){return this.translateOnAxis(ra,e)}localToWorld(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(i9.copy(this.matrixWorld).invert())}lookAt(e,t,i){e.isVector3?i7.copy(e):i7.set(e,t,i);let r=this.parent;this.updateWorldMatrix(!0,!1),re.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?i9.lookAt(re,i7,this.up):i9.lookAt(i7,re,this.up),this.quaternion.setFromRotationMatrix(i9),r&&(i9.extractRotation(r.matrixWorld),i8.setFromRotationMatrix(i9),this.quaternion.premultiply(i8.invert()))}add(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?console.error("THREE.Object3D.add: object can't be added as a child of itself.",e):e&&e.isObject3D?(null!==e.parent&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(rn)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this}remove(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}let t=this.children.indexOf(e);return -1!==t&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(ro)),this}removeFromParent(){let e=this.parent;return null!==e&&e.remove(this),this}clear(){for(let e=0;e<this.children.length;e++){let t=this.children[e];t.parent=null,t.dispatchEvent(ro)}return this.children.length=0,this}attach(e){return this.updateWorldMatrix(!0,!1),i9.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),i9.multiply(e.parent.matrixWorld)),e.applyMatrix4(i9),this.add(e),e.updateWorldMatrix(!1,!0),this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let i=0,r=this.children.length;i<r;i++){let r=this.children[i].getObjectByProperty(e,t);if(void 0!==r)return r}}getObjectsByProperty(e,t){let i=[];this[e]===t&&i.push(this);for(let r=0,s=this.children.length;r<s;r++){let s=this.children[r].getObjectsByProperty(e,t);s.length>0&&(i=i.concat(s))}return i}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(re,e,rt),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(re,ri,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);let t=this.children;for(let i=0,r=t.length;i<r;i++)t[i].traverse(e)}traverseVisible(e){if(!1===this.visible)return;e(this);let t=this.children;for(let i=0,r=t.length;i<r;i++)t[i].traverseVisible(e)}traverseAncestors(e){let t=this.parent;null!==t&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,e=!0);let t=this.children;for(let i=0,r=t.length;i<r;i++){let r=t[i];(!0===r.matrixWorldAutoUpdate||!0===e)&&r.updateMatrixWorld(e)}}updateWorldMatrix(e,t){let i=this.parent;if(!0===e&&null!==i&&!0===i.matrixWorldAutoUpdate&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix

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t=a(e.geometries),r=a(e.materials),s=a(e.textures),o=a(e.images),l=a(e.shapes),h=a(e.skeletons),c=a(e.animations),d=a(e.nodes);t.length>0&&(i.geometries=t),r.length>0&&(i.materials=r),s.length>0&&(i.textures=s),o.length>0&&(i.images=o),l.length>0&&(i.shapes=l),h.length>0&&(i.skeletons=h),c.length>0&&(i.animations=c),d.length>0&&(i.nodes=d)}return i.object=r,i;function a(e){let t=[];for(let i in e){let r=e[i];delete r.metadata,t.push(r)}return t}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(let t=0;t<e.children.length;t++){let i=e.children[t];this.add(i.clone())}return this}};rl.DEFAULT_UP=new iv(0,1,0),rl.DEFAULT_MATRIX_AUTO_UPDATE=!0,rl.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;var rh=new iv,rc=new iv,rd=new iv,ru=new iv,rp=new iv,rf=new iv,rm=new iv,rg=new iv,rv=new iv,ry=new iv,rx=class{constructor(e=new iv,t=new iv,i=new iv){this.a=e,this.b=t,this.c=i}static getNormal(e,t,i,r){r.subVectors(i,t),rh.subVectors(e,t),r.cross(rh);let s=r.lengthSq();return s>0?r.multiplyScalar(1/Math.sqrt(s)):r.set(0,0,0)}static getBarycoord(e,t,i,r,s){rh.subVectors(r,t),rc.subVectors(i,t),rd.subVectors(e,t);let a=rh.dot(rh),o=rh.dot(rc),l=rh.dot(rd),h=rc.dot(rc),c=rc.dot(rd),d=a*h-o*o;if(0===d)return s.set(-2,-1,-1);let u=1/d,p=(h*l-o*c)*u,f=(a*c-o*l)*u;return s.set(1-p-f,f,p)}static containsPoint(e,t,i,r){return this.getBarycoord(e,t,i,r,ru),ru.x>=0&&ru.y>=0&&ru.x+ru.y<=1}static getUV(e,t,i,r,s,a,o,l){return this.getBarycoord(e,t,i,r,ru),l.set(0,0),l.addScaledVector(s,ru.x),l.addScaledVector(a,ru.y),l.addScaledVector(o,ru.z),l}static isFrontFacing(e,t,i,r){return rh.subVectors(i,t),rc.subVectors(e,t),0>rh.cross(rc).dot(r)}set(e,t,i){return this.a.copy(e),this.b.copy(t),this.c.copy(i),this}setFromPointsAndIndices(e,t,i,r){return this.a.copy(e[t]),this.b.copy(e[i]),this.c.copy(e[r]),this}setFromAttributeAndIndices(e,t,i,r){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,i),this.c.fromBufferAttribute(e,r),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return rh.subVectors(this.c,this.b),rc.subVectors(this.a,this.b),.5*rh.cross(rc).length()}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return rx.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return rx.getBarycoord(e,this.a,this.b,this.c,t)}

2getUV(e,t,i,r,s){return rx.getUV(e,this.a,this.b,this.c,t,i,r,s)}containsPoint(e){return rx.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return rx.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){let i=this.a,r=this.b,s=this.c,a,o;rp.subVectors(r,i),rf.subVectors(s,i),rg.subVectors(e,i);let l=rp.dot(rg),h=rf.dot(rg);if(l<=0&&h<=0)return t.copy(i);rv.subVectors(e,r);let c=rp.dot(rv),d=rf.dot(rv);if(c>=0&&d<=c)return t.copy(r);let u=l*d-c*h;if(u<=0&&l>=0&&c<=0)return a=l/(l-c),t.copy(i).addScaledVector(rp,a);ry.subVectors(e,s);let p=rp.dot(ry),f=rf.dot(ry);if(f>=0&&p<=f)return t.copy(s);let m=p*h-l*f;if(m<=0&&h>=0&&f<=0)return o=h/(h-f),t.copy(i).addScaledVector(rf,o);let g=c*f-p*d;if(g<=0&&d-c>=0&&p-f>=0)return rm.subVectors(s,r),o=(d-c)/(d-c+(p-f)),t.copy(r).addScaledVector(rm,o);let v=1/(g+m+u);return a=m*v,o=u*v,t.copy(i).addScaledVector(rp,a).addScaledVector(rf,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},rb=0,rw=class extends tL{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:rb++}),this.uuid=tk(),this.name="",this.type="Material",this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=7680,this.stencilZFail=7680,this.stencilZPass=7680,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(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(void 0!==e)for(let t in e){let i=e[t];if(void 0===i){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}let r=this[t];if(void 0===r){console.warn("THREE."+this.type+": '"+t+"' is not a property of this material.");continue}r&&r.isColor?r.set(i):r&&r.isVector3&&i&&i.isVector3?r.copy(i):this[t]=i}}toJSON(e){let t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{}});let i={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function r(e){let t=[];for(let i in e){let r=e[i];delete r.metadata,t.push(r)}return t}

2if(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()),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(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).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(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(e).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(e).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(e).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(e).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(e).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(e).uuid,void 0!==this.combine&&(i.combine=this.combine)),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(e).uuid),void 0!==this.transmission&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(e).uuid),void 0!==this.thickness&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(e).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),0!==this.side&&(i.side=this.side),this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),!0===this.transparent&&(i.transparent=this.transparent),i.depthFunc=this.depthFunc,i.depthTest=this.depthTest,i.depthWrite=this.depthWrite,i.colorWrite=this.colorWrite,i.stencilWrite=this.stencilWrite,i.stencilWriteMask=this.stencilWriteMask,i.stencilFunc=this.stencilFunc,i.stencilRef=this.stencilRef,i.stencilFuncMask=this.stencilFuncMask,i.stencilFail=this.stencilFail,i.stencilZFail=this.stencilZFail,i.stencilZPass=this.stencilZPass,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.alphaToCoverage&&(i.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(i.premultipliedAlpha=this.premultipliedAlpha),!0===this.forceSinglePass&&(i.forceSinglePass=this.forceSinglePass),!0===this.wireframe&&(i.wireframe=this.wireframe),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=this.flatShading),!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),t){let t=r(e.textures),s=r(e.images);t.length>0&&(i.textures=t),s.length>0&&(i.images=s)}return i}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,i=null;if(null!==t){let e=t.length;i=Array(e);for(let r=0;r!==e;++r)i[r]=t[r].clone()}return this.clippingPlanes=i,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){!0===e&&this.version++}},rS=class extends rw{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new ii(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.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}},r_=new iv,rA=new tQ,rM=class{constructor(e,t,i=!1){if(Array.isArray(e))throw TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=e,this.itemSize=t,this.count=void 0!==e?e.length/t:0,this.normalized=i,this.usage=35044,this.updateRange={offset:0,count:-1},this.version=0}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this}copyAt(e,t,i){e*=this.itemSize,i*=t.itemSize;for(let r=0,s=this.itemSize;r<s;r++)this.array[e+r]=t.array[i+r];return this}copyArray(e){return this.array.set(e),this}applyMatrix3(e){if(2===this.itemSize)for(let t=0,i=this.count;t<i;t++)rA.fromBufferAttribute(this,t),rA.applyMatrix3(e),this.setXY(t,rA.x,rA.y);else if(3===this.itemSize)for(let t=0,i=this.count;t<i;t++)r_.fromBufferAttribute(this,t),r_.applyMatrix3(e),this.setXYZ(t,r_.x,r_.y,r_.z);return this}applyMatrix4(e){for(let t=0,i=this.count;t<i;t++)r_.fromBufferAttribute(this,t),r_.applyMatrix4(e),this.setXYZ(t,r_.x,r_.y,r_.z);return this}applyNormalMatrix(e){for(let t=0,i=this.count;t<i;t++)r_.fromBufferAttribute(this,t),r_.applyNormalMatrix(e),this.setXYZ(t,r_.x,r_.y,r_.z);return this}transformDirection(e){for(let t=0,i=this.count;t<i;t++)r_.fromBufferAttribute(this,t),r_.transformDirection(e),this.setXYZ(t,r_.x,r_.y,r_.z);return this}set(e,t=0){return this.array.set(e,t),this}getX(e){let t=this.array[e*this.itemSize];return this.normalized&&(t=tq(t,this.array)),t}setX(e,t){return this.normalized&&(t=tX(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=tq(t,this.array)),t}setY(e,t){return this.normalized&&(t=tX(t,this.array)),this.array[e*this.itemSize+1]=t,this}getZ(e){let t=this.array[e*this.itemSize+2];return this.normalized&&(t=tq(t,this.array)),t}setZ(e,t){return this.normalized&&(t=tX(t,this.array)),this.array[e*this.itemSize+2]=t,this}getW(e){let t=this.array[e*this.itemSize+3];return this.normalized&&(t=tq(t,this.array)),t}setW(e,t){return this.normalized&&(t=tX(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,i){return e*=this.itemSize,this.normalized&&(t=tX(t,this.array),i=tX(i,this.array)),this.array[e+0]=t,this.array[e+1]=i,this}setXYZ(e,t,i,r){return e*=this.itemSize,this.normalized&&(t=tX(t,this.array),i=tX(i,this.array),r=tX(r,this.array)),this.array[e+0]=t,this.array[e+1]=i,this.array[e+2]=r,this}setXYZW(e,t,i,r,s){return e*=this.itemSize,this.normalized&&(t=tX(t,this.array),i=tX(i,this.array),r=tX(r,this.array),s=tX(s,this.array)),this.array[e+0]=t,this.array[e+1]=i,this.array[e+2]=r,this.array[e+3]=s,this}

2onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){let e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(e.name=this.name),35044!==this.usage&&(e.usage=this.usage),(0!==this.updateRange.offset||-1!==this.updateRange.count)&&(e.updateRange=this.updateRange),e}copyColorsArray(){console.error("THREE.BufferAttribute: copyColorsArray() was removed in r144.")}copyVector2sArray(){console.error("THREE.BufferAttribute: copyVector2sArray() was removed in r144.")}copyVector3sArray(){console.error("THREE.BufferAttribute: copyVector3sArray() was removed in r144.")}copyVector4sArray(){console.error("THREE.BufferAttribute: copyVector4sArray() was removed in r144.")}},rE=class extends rM{constructor(e,t,i){super(new Uint16Array(e),t,i)}},rC=class extends rM{constructor(e,t,i){super(new Uint32Array(e),t,i)}},rT=class extends rM{constructor(e,t,i){super(new Float32Array(e),t,i)}},rP=0,rD=new iX,rI=new rl,rO=new iv,rR=new ib,rL=new ib,rB=new iv,rz=class extends tL{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:rP++}),this.uuid=tk(),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(e){return Array.isArray(e)?this.index=new(tJ(e)?rC:rE)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return void 0!==this.attributes[e]}addGroup(e,t,i=0){this.groups.push({start:e,count:t,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){let t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);let i=this.attributes.normal;if(void 0!==i){let t=new tK().getNormalMatrix(e);i.applyNormalMatrix(t),i.needsUpdate=!0}let r=this.attributes.tangent;return void 0!==r&&(r.transformDirection(e),r.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(e){return rD.makeRotationFromQuaternion(e),this.applyMatrix4(rD),this}rotateX(e){return rD.makeRotationX(e),this.applyMatrix4(rD),this}rotateY(e){return rD.makeRotationY(e),this.applyMatrix4(rD),this}rotateZ(e){return rD.makeRotationZ(e),this.applyMatrix4(rD),this}translate(e,t,i){return rD.makeTranslation(e,t,i),this.applyMatrix4(rD),this}scale(e,t,i){return rD.makeScale(e,t,i),this.applyMatrix4(rD),this}lookAt(e){return rI.lookAt(e),rI.updateMatrix(),this.applyMatrix4(rI.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(rO).negate(),this.translate(rO.x,rO.y,rO.z),this}setFromPoints(e){let t=[];for(let i=0,r=e.length;i<r;i++){let r=e[i];t.push(r.x,r.y,r.z||0)}return this.setAttribute("position",new rT(t,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new ib);let e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "fal

2se".',this),this.boundingBox.set(new iv(-1/0,-1/0,-1/0),new iv(1/0,1/0,1/0));return}if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(let e=0,i=t.length;e<i;e++){let i=t[e];rR.setFromBufferAttribute(i),this.morphTargetsRelative?(rB.addVectors(this.boundingBox.min,rR.min),this.boundingBox.expandByPoint(rB),rB.addVectors(this.boundingBox.max,rR.max),this.boundingBox.expandByPoint(rB)):(this.boundingBox.expandByPoint(rR.min),this.boundingBox.expandByPoint(rR.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 iN);let e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "fal

2se".',this),this.boundingSphere.set(new iv,1/0);return}if(e){let i=this.boundingSphere.center;if(rR.setFromBufferAttribute(e),t)for(let e=0,i=t.length;e<i;e++){let i=t[e];rL.setFromBufferAttribute(i),this.morphTargetsRelative?(rB.addVectors(rR.min,rL.min),rR.expandByPoint(rB),rB.addVectors(rR.max,rL.max),rR.expandByPoint(rB)):(rR.expandByPoint(rL.min),rR.expandByPoint(rL.max))}rR.getCenter(i);let r=0;for(let t=0,s=e.count;t<s;t++)rB.fromBufferAttribute(e,t),r=Math.max(r,i.distanceToSquared(rB));if(t)for(let s=0,a=t.length;s<a;s++){let a=t[s],o=this.morphTargetsRelative;for(let t=0,s=a.count;t<s;t++)rB.fromBufferAttribute(a,t),o&&(rO.fromBufferAttribute(e,t),rB.add(rO)),r=Math.max(r,i.distanceToSquared(rB))}this.boundingSphere.radius=Math.sqrt(r),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){let e=this.index,t=this.attributes;if(null===e||void 0===t.position||void 0===t.normal||void 0===t.uv){console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");return}let i=e.array,r=t.position.array,s=t.normal.array,a=t.uv.array,o=r.length/3;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new rM(new Float32Array(4*o),4));let l=this.getAttribute("tangent").array,h=[],c=[];for(let e=0;e<o;e++)h[e]=new iv,c[e]=new iv;let d=new iv,u=new iv,p=new iv,f=new tQ,m=new tQ,g=new tQ,v=new iv,y=new iv,x=this.groups;0===x.length&&(x=[{start:0,count:i.length}]);for(let e=0,t=x.length;e<t;++e){let t=x[e],s=t.start,o=t.count;for(let e=s,t=s+o;e<t;e+=3)!function(e,t,i){d.fromArray(r,3*e),u.fromArray(r,3*t),p.fromArray(r,3*i),f.fromArray(a,2*e),m.fromArray(a,2*t),g.fromArray(a,2*i),u.sub(d),p.sub(d),m.sub(f),g.sub(f);let s=1/(m.x*g.y-g.x*m.y);isFinite(s)&&(v.copy(u).multiplyScalar(g.y).addScaledVector(p,-m.y).multiplyScalar(s),y.copy(p).multiplyScalar(m.x).addScaledVector(u,-g.x).multiplyScalar(s),h[e].add(v),h[t].add(v),h[i].add(v),c[e].add(y),c[t].add(y),c[i].add(y))}(i[e+0],i[e+1],i[e+2])}let b=new iv,w=new iv,S=new iv,_=new iv;function A(e){S.fromArray(s,3*e),_.copy(S);let t=h[e];b.copy(t),b.sub(S.multiplyScalar(S.dot(t))).normalize(),w.crossVectors(_,t);let i=0>w.dot(c[e])?-1:1;l[4*e]=b.x,l[4*e+1]=b.y,l[4*e+2]=b.z,l[4*e+3]=i}for(let e=0,t=x.length;e<t;++e){let t=x[e],r=t.start,s=t.count;for(let e=r,t=r+s;e<t;e+=3)A(i[e+0]),A(i[e+1]),A(i[e+2])}}computeVertexNormals(){let e=this.index,t=this.getAttribute("position");if(void 0!==t){let i=this.getAttribute("normal");if(void 0===i)i=new rM(new Float32Array(3*t.count),3),this.setAttribute("normal",i);else for(let e=0,t=i.count;e<t;e++)i.setXYZ(e,0,0,0);let r=new iv,s=new iv,a=new iv,o=new iv,l=new iv,h=new iv,c=new iv,d=new iv;if(e)for(let u=0,p=e.count;u<p;u+=3){let p=e.getX(u+0),f=e.getX(u+1),m=e.getX(u+2);r.fromBufferAttribute(t,p),s.fromBufferAttribute(t,f),a.fromBufferAttribute(t,m),c.subVectors(a,s),d.subVectors(r,s),c.cross(d),o.fromBufferAttribute(i,p),l.fromBufferAttribute(i,f),h.fromBufferAttribute(i,m),o.add(c),l.add(c),h.add(c),i.setXYZ(p,o.x,o.y,o.z),i.setXYZ(f,l.x,l.y,l.z),i.setXYZ(m,h.x,h.y,h.z)}else for(let e=0,o=t.count;e<o;e+=3)r.fromBufferAttribute(t,e+0),s.fromBufferAttribute(t,e+1),a.fromBufferAttribute(t,e+2),c.subVectors(a,s),d.subVectors(r,s),c.cross(d),i.setXYZ(e+0,c.x,c.y,c.z),i.setXYZ(e+1,c.x,c.y,c.z),i.setXYZ(e+2,c.x,c.y,c.z);this.normalizeNormals(),i.needsUpdate=!0}}merge(){return console.error("THREE.BufferGeometry.merge() has been removed. Use THREE.BufferGeometryUtils.mergeBufferGeometries() instead."),this}normalizeNormals(){let e=this.attributes.normal;for(let t=0,i=e.count;t<i;t++)rB.fromBufferAttribute(e,t),rB.normalize(),e.setXYZ(t,rB.x,rB.y,rB.z)}toNonIndexed(){function e(e,t){let i=e.array,r=e.itemSize,s=e.normalized,a=new i.constructor(t.length*r),o=0,l=0;for(let s=0,h=t.length;s<h;s++){o=e.isInterleavedBufferAttribute?t[s]*e.data.stride+e.offset:t[s]*r;for(let e=0;e<r;e++)a[l++]=i[o++]}return new rM(a,r,s)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;let t=new rz,i=this.index.array,r=this.attributes;for(let s in r){let a=e(r[s],i);t.setAttribute(s,a)}let s=this.morphAttributes;for(let r in s){let a=[],o=s[r];for(let t=0,r=o.length;t<r;t++){let r=e(o[t],i);a.push(r)}t.morphAttributes[r]=a}t.morphTargetsRelative=this.morphTargetsRelative;let a=this.groups;for(let e=0,i=a.length;e<i;e++){let i=a[e];t.addGroup(i.start,i.count,i.materialIndex)}return t}toJSON(){let e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};

2if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),void 0!==this.parameters){let t=this.parameters;for(let i in t)void 0!==t[i]&&(e[i]=t[i]);return e}e.data={attributes:{}};let t=this.index;null!==t&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});let i=this.attributes;for(let t in i){let r=i[t];e.data.attributes[t]=r.toJSON(e.data)}let r={},s=!1;for(let t in this.morphAttributes){let i=this.morphAttributes[t],a=[];for(let t=0,r=i.length;t<r;t++){let r=i[t];a.push(r.toJSON(e.data))}a.length>0&&(r[t]=a,s=!0)}s&&(e.data.morphAttributes=r,e.data.morphTargetsRelative=this.morphTargetsRelative);let a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));let o=this.boundingSphere;return null!==o&&(e.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;let t={};this.name=e.name;let i=e.index;null!==i&&this.setIndex(i.clone(t));let r=e.attributes;for(let e in r){let i=r[e];this.setAttribute(e,i.clone(t))}let s=e.morphAttributes;for(let e in s){let i=[],r=s[e];for(let e=0,s=r.length;e<s;e++)i.push(r[e].clone(t));this.morphAttributes[e]=i}this.morphTargetsRelative=e.morphTargetsRelative;let a=e.groups;for(let e=0,t=a.length;e<t;e++){let t=a[e];this.addGroup(t.start,t.count,t.materialIndex)}let o=e.boundingBox;null!==o&&(this.boundingBox=o.clone());let l=e.boundingSphere;return null!==l&&(this.boundingSphere=l.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,void 0!==e.parameters&&(this.parameters=Object.assign({},e.parameters)),this}dispose(){this.dispatchEvent({type:"dispose"})}},rF=new iX,rN=new iq,rk=new iN,rU=new iv,rV=new iv,rj=new iv,rG=new iv,rH=new iv,rW=new tQ,rq=new tQ,rX=new tQ,rY=new iv,rQ=new iv,rK=class extends rl{constructor(e=new rz,t=new rS){super(),this.isMesh=!0,this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),void 0!==e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),void 0!==e.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=e.material,this.geometry=e.geometry,this}updateMorphTargets(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let i=e[t[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=i.length;e<t;e++){let t=i[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}getVertexPosition(e,t){let i=this.geometry,r=i.attributes.position,s=i.morphAttributes.position,a=i.morphTargetsRelative;t.fromBufferAttribute(r,e);let o=this.morphTargetInfluences;if(s&&o){rH.set(0,0,0);for(let i=0,r=s.length;i<r;i++){let r=o[i],l=s[i];0!==r&&(rG.fromBufferAttribute(l,e),a?rH.addScaledVector(rG,r):rH.addScaledVector(rG.sub(t),r))}t.add(rH)}return this.isSkinnedMesh&&this.boneTransform(e,t),t}raycast(e,t){let i=this.geometry,r=this.material,s=this.matrixWorld;if(void 0===r||(null===i.boundingSphere&&i.computeBoundingSphere(),rk.copy(i.boundingSphere),rk.applyMatrix4(s),!1===e.ray.intersectsSphere(rk))||(rF.copy(s).invert(),rN.copy(e.ray).applyMatrix4(rF),null!==i.boundingBox&&!1===rN.intersectsBox(i.boundingBox)))return;let a,o=i.index,l=i.attributes.position,h=i.attributes.uv,c=i.attributes.uv2,d=i.groups,u=i.drawRange;if(null!==o){if(Array.isArray(r))for(let i=0,s=d.length;i<s;i++){let s=d[i],l=r[s.materialIndex],p=Math.max(s.start,u.start),f=Math.min(o.count,Math.min(s.start+s.count,u.start+u.count));for(let i=p;i<f;i+=3)(a=rZ(this,l,e,rN,h,c,o.getX(i),o.getX(i+1),o.getX(i+2)))&&(a.faceIndex=Math.floor(i/3),a.face.materialIndex=s.materialIndex,t.push(a))}else{let i=Math.max(0,u.start),s=Math.min(o.count,u.start+u.count);for(let l=i;l<s;l+=3)(a=rZ(this,r,e,rN,h,c,o.getX(l),o.getX(l+1),o.getX(l+2)))&&(a.faceIndex=Math.floor(l/3),t.push(a))}}else if(void 0!==l){if(Array.isArray(r))for(let i=0,s=d.length;i<s;i++){let s=d[i],o=r[s.materialIndex],p=Math.max(s.start,u.start),f=Math.min(l.count,Math.min(s.start+s.count,u.start+u.count));for(let i=p;i<f;i+=3)(a=rZ(this,o,e,rN,h,c,i,i+1,i+2))&&(a.faceIndex=Math.floor(i/3),a.face.materialIndex=s.materialIndex,t.push(a))}else{let i=Math.max(0,u.start),s=Math.min(l.count,u.start+u.count);for(let o=i;o<s;o+=3)(a=rZ(this,r,e,rN,h,c,o,o+1,o+2))&&(a.faceIndex=Math.floor(o/3),t.pu

2sh(a))}}}};function rZ(e,t,i,r,s,a,o,l,h){e.getVertexPosition(o,rU),e.getVertexPosition(l,rV),e.getVertexPosition(h,rj);let c=function(e,t,i,r,s,a,o,l){if(null===(1===t.side?r.intersectTriangle(o,a,s,!0,l):r.intersectTriangle(s,a,o,0===t.side,l)))return null;rQ.copy(l),rQ.applyMatrix4(e.matrixWorld);let h=i.ray.origin.distanceTo(rQ);return h<i.near||h>i.far?null:{distance:h,point:rQ.clone(),object:e}}(e,t,i,r,rU,rV,rj,rY);if(c){s&&(rW.fromBufferAttribute(s,o),rq.fromBufferAttribute(s,l),rX.fromBufferAttribute(s,h),c.uv=rx.getUV(rY,rU,rV,rj,rW,rq,rX,new tQ)),a&&(rW.fromBufferAttribute(a,o),rq.fromBufferAttribute(a,l),rX.fromBufferAttribute(a,h),c.uv2=rx.getUV(rY,rU,rV,rj,rW,rq,rX,new tQ));let e={a:o,b:l,c:h,normal:new iv,materialIndex:0};rx.getNormal(rU,rV,rj,e.normal),c.face=e}return c}var rJ=class extends rz{constructor(e=1,t=1,i=1,r=1,s=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:i,widthSegments:r,heightSegments:s,depthSegments:a};let o=this;r=Math.floor(r),s=Math.floor(s);let l=[],h=[],c=[],d=[],u=0,p=0;function f(e,t,i,r,s,a,f,m,g,v,y){let x=a/g,b=f/v,w=a/2,S=f/2,_=m/2,A=g+1,M=v+1,E=0,C=0,T=new iv;for(let a=0;a<M;a++){let o=a*b-S;for(let l=0;l<A;l++){let u=l*x-w;T[e]=u*r,T[t]=o*s,T[i]=_,h.push(T.x,T.y,T.z),T[e]=0,T[t]=0,T[i]=m>0?1:-1,c.push(T.x,T.y,T.z),d.push(l/g),d.push(1-a/v),E+=1}}for(let e=0;e<v;e++)for(let t=0;t<g;t++){let i=u+t+A*e,r=u+t+A*(e+1),s=u+(t+1)+A*(e+1),a=u+(t+1)+A*e;l.push(i,r,a),l.push(r,s,a),C+=6}o.addGroup(p,C,y),p+=C,u+=E}f("z","y","x",-1,-1,i,t,e,a=Math.floor(a),s,0),f("z","y","x",1,-1,i,t,-e,a,s,1),f("x","z","y",1,1,e,i,t,r,a,2),f("x","z","y",1,-1,e,i,-t,r,a,3),f("x","y","z",1,-1,e,t,i,r,s,4),f("x","y","z",-1,-1,e,t,-i,r,s,5),this.setIndex(l),this.setAttribute("position",new rT(h,3)),this.setAttribute("normal",new rT(c,3)),this.setAttribute("uv",new rT(d,2))}static fromJSON(e){return new rJ(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}};function r$(e){let t={};for(let i in e)for(let r in t[i]={},e[i]){let s=e[i][r];s&&(s.isColor||s.isMatrix3||s.isMatrix4||s.isVector2||s.isVector3||s.isVector4||s.isTexture||s.isQuaternion)?t[i][r]=s.clone():Array.isArray(s)?t[i][r]=s.slice():t[i][r]=s}return t}function r0(e){let t={};for(let i=0;i<e.length;i++){let r=r$(e[i]);for(let e in r)t[e]=r[e]}return t}function r1(e){return null===e.getRenderTarget()&&3001===e.outputEncoding?tI:tO}var r2={clone:r$,merge:r0},r3=`void main() {
3	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
4}`,r4=`void main() {
5	gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );
6}`,r5=class extends rw{constructor(e){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=r3,this.fragmentShader=r4,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==e&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=r$(e.uniforms),this.uniformsGroups=function(e){let t=[];for(let i=0;i<e.length;i++)t.push(e[i].clone());return t}(e.uniformsGroups),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){let t=super.toJSON(e);for(let i in t.glslVersion=this.glslVersion,t.uniforms={},this.uniforms){let r=this.uniforms[i].value;r&&r.isTexture?t.uniforms[i]={type:"t",value:r.toJSON(e).uuid}:r&&r.isColor?t.uniforms[i]={type:"c",value:r.getHex()}:r&&r.isVector2?t.uniforms[i]={type:"v2",value:r.toArray()}:r&&r.isVector3?t.uniforms[i]={type:"v3",value:r.toArray()}:r&&r.isVector4?t.uniforms[i]={type:"v4",value:r.toArray()}:r&&r.isMatrix3?t.uniforms[i]={type:"m3",value:r.toArray()}:r&&r.isMatrix4?t.uniforms[i]={type:"m4",value:r.toArray()}:t.uniforms[i]={value:r}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;let i={};for(let e in this.extensions)!0===this.extensions[e]&&(i[e]=!0);return Object.keys(i).length>0&&(t.extensions=i),t}},r6=class extends rl{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new iX,this.projectionMatrix=new iX,this.projectionMatrixInverse=new iX}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}},r8=class extends r6{constructor(e=50,t=1,i=.1,r=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=i,this.far=r,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=2*tN*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(.5*tF*this.fov);return .5*this.getFilmHeight()/e}

6getEffectiveFOV(){return 2*tN*Math.atan(Math.tan(.5*tF*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,i,r,s,a){this.aspect=e/t,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=e,this.view.fullHeight=t,this.view.offsetX=i,this.view.offsetY=r,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(.5*tF*this.fov)/this.zoom,i=2*t,r=this.aspect*i,s=-.5*r,a=this.view;if(null!==this.view&&this.view.enabled){let e=a.fullWidth,o=a.fullHeight;s+=a.offsetX*r/e,t-=a.offsetY*i/o,r*=a.width/e,i*=a.height/o}let o=this.filmOffset;0!==o&&(s+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+r,t,t-i,e,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}},r9=class extends rl{constructor(e,t,i){super(),this.type="CubeCamera",this.renderTarget=i;let r=new r8(-90,1,e,t);r.layers=this.layers,r.up.set(0,1,0),r.lookAt(1,0,0),this.add(r);let s=new r8(-90,1,e,t);s.layers=this.layers,s.up.set(0,1,0),s.lookAt(-1,0,0),this.add(s);let a=new r8(-90,1,e,t);a.layers=this.layers,a.up.set(0,0,-1),a.lookAt(0,1,0),this.add(a);let o=new r8(-90,1,e,t);o.layers=this.layers,o.up.set(0,0,1),o.lookAt(0,-1,0),this.add(o);let l=new r8(-90,1,e,t);l.layers=this.layers,l.up.set(0,1,0),l.lookAt(0,0,1),this.add(l);let h=new r8(-90,1,e,t);h.layers=this.layers,h.up.set(0,1,0),h.lookAt(0,0,-1),this.add(h)}update(e,t){null===this.parent&&this.updateMatrixWorld();let i=this.renderTarget,[r,s,a,o,l,h]=this.children,c=e.getRenderTarget(),d=e.toneMapping,u=e.xr.enabled;e.toneMapping=0,e.xr.enabled=!1;let p=i.texture.generateMipmaps;i.texture.generateMipmaps=!1,e.setRenderTarget(i,0),e.render(t,r),e.setRenderTarget(i,1),e.render(t,s),e.setRenderTarget(i,2),e.render(t,a),e.setRenderTarget(i,3),e.render(t,o),e.setRenderTarget(i,4),e.render(t,l),i.texture.generateMipmaps=p,e.setRenderTarget(i,5),e.render(t,h),e.setRenderTarget(c),e.toneMapping=d,e.xr.enabled=u,i.texture.needsPMREMUpdate=!0}},r7=class extends ih{constructor(e,t,i,r,s,a,o,l,h,c){super(e=void 0!==e?e:[],t=void 0!==t?t:301,i,r,s,a,o,l,h,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}},se=class extends id{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;let i={width:e,height:e,depth:1};this.texture=new r7([i,i,i,i,i,i],t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==t.generateMipmaps&&t.generateMipmaps,this.texture.minFilter=void 0!==t.minFilter?t.minFilter:1006}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.encoding=t.encoding,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;let i={uniforms:{tEquirect:{value:null}},vertexShader:`
7
8				varying vec3 vWorldDirection;
9
10				vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
11
12					return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
13
14				}
15
16				void main() {
17
18					vWorldDirection = transformDirection( position, modelMatrix );
19
20					#include <begin_vertex>
21					#include <project_vertex>
22
23				}
24			`,fragmentShader:`
25
26				uniform sampler2D tEquirect;
27
28				varying vec3 vWorldDirection;
29
30				#include <common>
31
32				void main() {
33
34					vec3 direction = normalize( vWorldDirection );
35
36					vec2 sampleUV = equirectUv( direction );
37
38					gl_FragColor = texture2D( tEquirect, sampleUV );
39
40				}
41			`},r=new rJ(5,5,5),s=new r5({name:"CubemapFromEquirect",uniforms:r$(i.uniforms),vertexShader:i.vertexShader,fragmentShader:i.fragmentShader,side:1,blending:0});s.uniforms.tEquirect.value=t;let a=new rK(r,s),o=t.minFilter;return 1008===t.minFilter&&(t.minFilter=1006),new r9(1,10,this).update(e,a),t.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,i,r){let s=e.getRenderTarget();for(let s=0;s<6;s++)e.setRenderTarget(this,s),e.clear(t,i,r);e.setRenderTarget(s)}},st=new iv,si=new iv,sr=new tK,ss=class{constructor(e=new iv(1,0,0),t=0){this.isPlane=!0,this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,i,r){return this.normal.set(e,t,i),this.constant=r,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}

41setFromCoplanarPoints(e,t,i){let r=st.subVectors(i,t).cross(si.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)}intersectLine(e,t){let i=e.delta(st),r=this.normal.dot(i);if(0===r)return 0===this.distanceToPoint(e.start)?t.copy(e.start):null;let s=-(e.start.dot(this.normal)+this.constant)/r;return s<0||s>1?null:t.copy(i).multiplyScalar(s).add(e.start)}intersectsLine(e){let t=this.distanceToPoint(e.start),i=this.distanceToPoint(e.end);return t<0&&i>0||i<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let i=t||sr.getNormalMatrix(e),r=this.coplanarPoint(st).applyMatrix4(e),s=this.normal.applyMatrix3(i).normalize();return this.constant=-r.dot(s),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}},sa=new iN,sn=new iv,so=class{constructor(e=new ss,t=new ss,i=new ss,r=new ss,s=new ss,a=new ss){this.planes=[e,t,i,r,s,a]}set(e,t,i,r,s,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(i),o[3].copy(r),o[4].copy(s),o[5].copy(a),this}copy(e){let t=this.planes;for(let i=0;i<6;i++)t[i].copy(e.planes[i]);return this}setFromProjectionMatrix(e){let t=this.planes,i=e.elements,r=i[0],s=i[1],a=i[2],o=i[3],l=i[4],h=i[5],c=i[6],d=i[7],u=i[8],p=i[9],f=i[10],m=i[11],g=i[12],v=i[13],y=i[14],x=i[15];return t[0].setComponents(o-r,d-l,m-u,x-g).normalize(),t[1].setComponents(o+r,d+l,m+u,x+g).normalize(),t[2].setComponents(o+s,d+h,m+p,x+v).normalize(),t[3].setComponents(o-s,d-h,m-p,x-v).normalize(),t[4].setComponents(o-a,d-c,m-f,x-y).normalize(),t[5].setComponents(o+a,d+c,m+f,x+y).normalize(),this}intersectsObject(e){let t=e.geometry;return null===t.boundingSphere&&t.computeBoundingSphere(),sa.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(sa)}intersectsSprite(e){return sa.center.set(0,0,0),sa.radius=.7071067811865476,sa.applyMatrix4(e.matrixWorld),this.intersectsSphere(sa)}intersectsSphere(e){let t=this.planes,i=e.center,r=-e.radius;for(let e=0;e<6;e++)if(t[e].distanceToPoint(i)<r)return!1;return!0}intersectsBox(e){let t=this.planes;for(let i=0;i<6;i++){let r=t[i];if(sn.x=r.normal.x>0?e.max.x:e.min.x,sn.y=r.normal.y>0?e.max.y:e.min.y,sn.z=r.normal.z>0?e.max.z:e.min.z,0>r.distanceToPoint(sn))return!1}return!0}containsPoint(e){let t=this.planes;for(let i=0;i<6;i++)if(0>t[i].distanceToPoint(e))return!1;return!0}clone(){return new this.constructor().copy(this)}};function sl(){let e=null,t=!1,i=null,r=null;function s(t,a){i(t,a),r=e.requestAnimationFrame(s)}return{start:function(){!0!==t&&null!==i&&(r=e.requestAnimationFrame(s),t=!0)},stop:function(){e.cancelAnimationFrame(r),t=!1},setAnimationLoop:function(e){i=e},setContext:function(t){e=t}}}function sh(e,t){let i=t.isWebGL2,r=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),r.get(e)},remove:function(t){t.isInterleavedBufferAttribute&&(t=t.data);let i=r.get(t);i&&(e.deleteBuffer(i.buffer),r.delete(t))},update:function(t,s){var a,o;let l,h;if(t.isGLBufferAttribute){let e=r.get(t);(!e||e.version<t.version)&&r.set(t,{buffer:t.buffer,type:t.type,bytesPerElement:t.elementSize,version:t.version});return}t.isInterleavedBufferAttribute&&(t=t.data);let c=r.get(t);void 0===c?r.set(t,function(t,r){let s,a=t.array,o=t.usage,l=e.createBuffer();if(e.bindBuffer(r,l),e.bufferData(r,a,o),t.onUploadCallback(),a instanceof Float32Array)s=5126;else if(a instanceof Uint16Array){if(t.isFloat16BufferAttribute){if(i)s=5131;else throw Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.")}else s=5123}else if(a instanceof Int16Array)s=5122;else if(a instanceof Uint32Array)s=5125;else if(a instanceof Int32Array)s=5124;else if(a instanceof Int8Array)s=5120;else if(a instanceof Uint8Array)s=5121;else if(a instanceof Uint8ClampedArray)s=5121;else throw Error("THREE.WebGLAttributes: Unsupported buffer data format: "+a);return{buffer:l,type:s,bytesPerElement:a.BYTES_PER_ELEMENT,version:t.version}}(t,s)):c.version<t.version&&(a=c.buffer,l=(o=t).array,h=o.updateRange,e.bindBuffer(s,a),-1===h.count?e.bufferSubData(s,0,l):(i?e.bufferSubData(s,h.offset*l.BYTES_PER_ELEMENT,l,h.offset,h.count):e.bufferSubData(s,h.offset*l.BYTES_PER_ELEMENT,l.subarray(h.offset,h.offset+h.count)),h.count=-1),o.onUploadCallback(),c.version=t.version)}}}var sc=class extends rz{constructor(e=1,t=1,i=1,r=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:i,heightSegments:r};let s=e/2,a=t/2,o=Math.floor(i),l=Math.floor(r),h=o+1,c=l+1,d=e/o,u=t/l,p=[],f=[],m=[],g=[];for(let e=0;e<c;

41e++){let t=e*u-a;for(let i=0;i<h;i++){let r=i*d-s;f.push(r,-t,0),m.push(0,0,1),g.push(i/o),g.push(1-e/l)}}for(let e=0;e<l;e++)for(let t=0;t<o;t++){let i=t+h*e,r=t+h*(e+1),s=t+1+h*(e+1),a=t+1+h*e;p.push(i,r,a),p.push(r,s,a)}this.setIndex(p),this.setAttribute("position",new rT(f,3)),this.setAttribute("normal",new rT(m,3)),this.setAttribute("uv",new rT(g,2))}static fromJSON(e){return new sc(e.width,e.height,e.widthSegments,e.heightSegments)}},sd={alphamap_fragment:`#ifdef USE_ALPHAMAP
42	diffuseColor.a *= texture2D( alphaMap, vUv ).g;
43#endif`,alphamap_pars_fragment:`#ifdef USE_ALPHAMAP
44	uniform sampler2D alphaMap;
45#endif`,alphatest_fragment:`#ifdef USE_ALPHATEST
46	if ( diffuseColor.a < alphaTest ) discard;
47#endif`,alphatest_pars_fragment:`#ifdef USE_ALPHATEST
48	uniform float alphaTest;
49#endif`,aomap_fragment:`#ifdef USE_AOMAP
50	float ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;
51	reflectedLight.indirectDiffuse *= ambientOcclusion;
52	#if defined( USE_ENVMAP ) && defined( STANDARD )
53		float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );
54		reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );
55	#endif
56#endif`,aomap_pars_fragment:`#ifdef USE_AOMAP
57	uniform sampler2D aoMap;
58	uniform float aoMapIntensity;
59#endif`,begin_vertex:"vec3 transformed = vec3( position );",beginnormal_vertex:`vec3 objectNormal = vec3( normal );
60#ifdef USE_TANGENT
61	vec3 objectTangent = vec3( tangent.xyz );
62#endif`,bsdfs:`vec3 BRDF_Lambert( const in vec3 diffuseColor ) {
63	return RECIPROCAL_PI * diffuseColor;
64}
65vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {
66	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );
67	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );
68}
69float F_Schlick( const in float f0, const in float f90, const in float dotVH ) {
70	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );
71	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );
72}
73vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {
74    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );
75    float x2 = x * x;
76    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );
77    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );
78}
79float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {
80	float a2 = pow2( alpha );
81	float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );
82	float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );
83	return 0.5 / max( gv + gl, EPSILON );
84}
85float D_GGX( const in float alpha, const in float dotNH ) {
86	float a2 = pow2( alpha );
87	float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;
88	return RECIPROCAL_PI * a2 / pow2( denom );
89}
90vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {
91	float alpha = pow2( roughness );
92	vec3 halfDir = normalize( lightDir + viewDir );
93	float dotNL = saturate( dot( normal, lightDir ) );
94	float dotNV = saturate( dot( normal, viewDir ) );
95	float dotNH = saturate( dot( normal, halfDir ) );
96	float dotVH = saturate( dot( viewDir, halfDir ) );
97	vec3 F = F_Schlick( f0, f90, dotVH );
98	float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
99	float D = D_GGX( alpha, dotNH );
100	return F * ( V * D );
101}
102#ifdef USE_IRIDESCENCE
103	vec3 BRDF_GGX_Iridescence( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float iridescence, const in vec3 iridescenceFresnel, const in float roughness ) {
104		float alpha = pow2( roughness );
105		vec3 halfDir = normalize( lightDir + viewDir );
106		float dotNL = saturate( dot( normal, lightDir ) );
107		float dotNV = saturate( dot( normal, viewDir ) );
108		float dotNH = saturate( dot( normal, halfDir ) );
109		float dotVH = saturate( dot( viewDir, halfDir ) );
110		vec3 F = mix( F_Schlick( f0, f90, dotVH ), iridescenceFresnel, iridescence );
111		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
112		float D = D_GGX( alpha, dotNH );
113		return F * ( V * D );
114	}
115#endif
116vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
117	const float LUT_SIZE = 64.0;
118	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
119	const float LUT_BIAS = 0.5 / LUT_SIZE;

120	float dotNV = saturate( dot( N, V ) );
121	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
122	uv = uv * LUT_SCALE + LUT_BIAS;
123	return uv;
124}
125float LTC_ClippedSphereFormFactor( const in vec3 f ) {
126	float l = length( f );
127	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
128}
129vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
130	float x = dot( v1, v2 );
131	float y = abs( x );
132	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
133	float b = 3.4175940 + ( 4.1616724 + y ) * y;
134	float v = a / b;
135	float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;
136	return cross( v1, v2 ) * theta_sintheta;
137}
138vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {
139	vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];
140	vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];
141	vec3 lightNormal = cross( v1, v2 );
142	if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );
143	vec3 T1, T2;
144	T1 = normalize( V - N * dot( V, N ) );
145	T2 = - cross( N, T1 );
146	mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );
147	vec3 coords[ 4 ];
148	coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );
149	coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );
150	coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );
151	coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );
152	coords[ 0 ] = normalize( coords[ 0 ] );
153	coords[ 1 ] = normalize( coords[ 1 ] );
154	coords[ 2 ] = normalize( coords[ 2 ] );
155	coords[ 3 ] = normalize( coords[ 3 ] );
156	vec3 vectorFormFactor = vec3( 0.0 );
157	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );
158	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );
159	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );
160	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );
161	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );
162	return vec3( result );
163}
164float G_BlinnPhong_Implicit( ) {
165	return 0.25;
166}
167float D_BlinnPhong( const in float shininess, const in float dotNH ) {
168	return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );
169}
170vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {
171	vec3 halfDir = normalize( lightDir + viewDir );
172	float dotNH = saturate( dot( normal, halfDir ) );
173	float dotVH = saturate( dot( viewDir, halfDir ) );
174	vec3 F = F_Schlick( specularColor, 1.0, dotVH );
175	float G = G_BlinnPhong_Implicit( );
176	float D = D_BlinnPhong( shininess, dotNH );
177	return F * ( G * D );
178}
179#if defined( USE_SHEEN )
180float D_Charlie( float roughness, float dotNH ) {
181	float alpha = pow2( roughness );
182	float invAlpha = 1.0 / alpha;
183	float cos2h = dotNH * dotNH;
184	float sin2h = max( 1.0 - cos2h, 0.0078125 );
185	return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );
186}
187float V_Neubelt( float dotNV, float dotNL ) {
188	return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );
189}
190vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {
191	vec3 halfDir = normalize( lightDir + viewDir );
192	float dotNL = saturate( dot( normal, lightDir ) );
193	float dotNV = saturate( dot( normal, viewDir ) );
194	float dotNH = saturate( dot( normal, halfDir ) );
195	float D = D_Charlie( sheenRoughness, dotNH );
196	float V = V_Neubelt( dotNV, dotNL );
197	return sheenColor * ( D * V );
198}
199#endif`,iridescence_fragment:`#ifdef USE_IRIDESCENCE
200	const mat3 XYZ_TO_REC709 = mat3(
201		 3.2404542, -0.9692660,  0.0556434,
202		-1.5371385,  1.8760108, -0.2040259,
203		-0.4985314,  0.0415560,  1.0572252
204	);
205	vec3 Fresnel0ToIor( vec3 fresnel0 ) {
206		vec3 sqrtF0 = sqrt( fresnel0 );
207		return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );
208	}
209	vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {
210		return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );
211	}
212	float IorToFresnel0( float transmittedIor, float incidentIor ) {
213		return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));
214	}
215	vec3 evalSensitivity( float OPD, vec3 shift ) {
216		float phase = 2.0 * PI * OPD * 1.0e-9;
217		vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );
218		vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );
219		vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );
220		vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );
221		xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );
222		xyz /= 1.0685e-7;
223		vec3 rgb = XYZ_TO_REC709 * xyz;
224		return rgb;
225	}
226	vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {
227		vec3 I;
228		float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );
229		float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );
230		float cosTheta2Sq = 1.0 - sinTheta2Sq;
231		if ( cosTheta2Sq < 0.0 ) {
232			 return vec3( 1.0 );
233		}
234		float cosTheta2 = sqrt( cosTheta2Sq );
235		float R0 = IorToFresnel0( iridescenceIOR, outsideIOR );

236		float R12 = F_Schlick( R0, 1.0, cosTheta1 );
237		float R21 = R12;
238		float T121 = 1.0 - R12;
239		float phi12 = 0.0;
240		if ( iridescenceIOR < outsideIOR ) phi12 = PI;
241		float phi21 = PI - phi12;
242		vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );		vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );
243		vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );
244		vec3 phi23 = vec3( 0.0 );
245		if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;
246		if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;
247		if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;
248		float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;
249		vec3 phi = vec3( phi21 ) + phi23;
250		vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );
251		vec3 r123 = sqrt( R123 );
252		vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );
253		vec3 C0 = R12 + Rs;
254		I = C0;
255		vec3 Cm = Rs - T121;
256		for ( int m = 1; m <= 2; ++ m ) {
257			Cm *= r123;
258			vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );
259			I += Cm * Sm;
260		}
261		return max( I, vec3( 0.0 ) );
262	}
263#endif`,bumpmap_pars_fragment:`#ifdef USE_BUMPMAP
264	uniform sampler2D bumpMap;
265	uniform float bumpScale;
266	vec2 dHdxy_fwd() {
267		vec2 dSTdx = dFdx( vUv );
268		vec2 dSTdy = dFdy( vUv );
269		float Hll = bumpScale * texture2D( bumpMap, vUv ).x;
270		float dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;
271		float dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;
272		return vec2( dBx, dBy );
273	}
274	vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {
275		vec3 vSigmaX = dFdx( surf_pos.xyz );
276		vec3 vSigmaY = dFdy( surf_pos.xyz );
277		vec3 vN = surf_norm;
278		vec3 R1 = cross( vSigmaY, vN );
279		vec3 R2 = cross( vN, vSigmaX );
280		float fDet = dot( vSigmaX, R1 ) * faceDirection;
281		vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );
282		return normalize( abs( fDet ) * surf_norm - vGrad );
283	}
284#endif`,clipping_planes_fragment:`#if NUM_CLIPPING_PLANES > 0
285	vec4 plane;
286	#pragma unroll_loop_start
287	for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
288		plane = clippingPlanes[ i ];
289		if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;
290	}
291	#pragma unroll_loop_end
292	#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
293		bool clipped = true;
294		#pragma unroll_loop_start
295		for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {
296			plane = clippingPlanes[ i ];
297			clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;
298		}
299		#pragma unroll_loop_end
300		if ( clipped ) discard;
301	#endif
302#endif`,clipping_planes_pars_fragment:`#if NUM_CLIPPING_PLANES > 0
303	varying vec3 vClipPosition;
304	uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];
305#endif`,clipping_planes_pars_vertex:`#if NUM_CLIPPING_PLANES > 0
306	varying vec3 vClipPosition;
307#endif`,clipping_planes_vertex:`#if NUM_CLIPPING_PLANES > 0
308	vClipPosition = - mvPosition.xyz;
309#endif`,color_fragment:`#if defined( USE_COLOR_ALPHA )
310	diffuseColor *= vColor;
311#elif defined( USE_COLOR )
312	diffuseColor.rgb *= vColor;
313#endif`,color_pars_fragment:`#if defined( USE_COLOR_ALPHA )
314	varying vec4 vColor;
315#elif defined( USE_COLOR )
316	varying vec3 vColor;
317#endif`,color_pars_vertex:`#if defined( USE_COLOR_ALPHA )
318	varying vec4 vColor;
319#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )
320	varying vec3 vColor;
321#endif`,color_vertex:`#if defined( USE_COLOR_ALPHA )
322	vColor = vec4( 1.0 );
323#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )
324	vColor = vec3( 1.0 );
325#endif
326#ifdef USE_COLOR
327	vColor *= color;
328#endif
329#ifdef USE_INSTANCING_COLOR
330	vColor.xyz *= instanceColor.xyz;
331#endif`,common:`#define PI 3.141592653589793
332#define PI2 6.283185307179586
333#define PI_HALF 1.5707963267948966
334#define RECIPROCAL_PI 0.3183098861837907
335#define RECIPROCAL_PI2 0.15915494309189535
336#define EPSILON 1e-6
337#ifndef saturate
338#define saturate( a ) clamp( a, 0.0, 1.0 )
339#endif
340#define whiteComplement( a ) ( 1.0 - saturate( a ) )
341float pow2( const in float x ) { return x*x; }
342vec3 pow2( const in vec3 x ) { return x*x; }
343float pow3( const in float x ) { return x*x*x; }
344float pow4( const in float x ) { float x2 = x*x; return x2*x2; }
345float max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }
346float average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }
347highp float rand( const in vec2 uv ) {
348	const highp float a = 12.9898, b = 78.233, c = 43758.5453;
349	highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
350	return fract( sin( sn ) * c );
351}
352#ifdef HIGH_PRECISION
353	float precisionSafeLength( vec3 v ) { return length( v ); }
354#else
355	float precisionSafeLength( vec3 v ) {
356		float maxComponent = max3( abs( v ) );
357		return length( v / maxComponent ) * maxComponent;
358	}
359#endif
360struct IncidentLight {
361	vec3 color;
362	vec3 direction;
363	bool visible;
364};
365struct ReflectedLight {
366	vec3 directDiffuse;
367	vec3 directSpecular;
368	vec3 indirectDiffuse;
369	vec3 indirectSpecular;
370};
371struct GeometricContext {
372	vec3 position;
373	vec3 normal;
374	vec3 viewDir;
375#ifdef USE_CLEARCOAT
376	vec3 clearcoatNormal;
377#endif
378};
379vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
380	return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
381}
382vec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {
383	return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );
384}
385mat3 transposeMat3( const in mat3 m ) {
386	mat3 tmp;
387	tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );
388	tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );
389	tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );
390	return tmp;
391}
392float luminance( const in vec3 rgb ) {
393	const vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );
394	return dot( weights, rgb );
395}
396bool isPerspectiveMatrix( mat4 m ) {
397	return m[ 2 ][ 3 ] == - 1.0;
398}
399vec2 equirectUv( in vec3 dir ) {
400	float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;
401	float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;
402	return vec2( u, v );
403}`,cube_uv_reflection_fragment:`#ifdef ENVMAP_TYPE_CUBE_UV
404	#define cubeUV_minMipLevel 4.0
405	#define cubeUV_minTileSize 16.0
406	float getFace( vec3 direction ) {
407		vec3 absDirection = abs( direction );
408		float face = - 1.0;
409		if ( absDirection.x > absDirection.z ) {
410			if ( absDirection.x > absDirection.y )
411				face = direction.x > 0.0 ? 0.0 : 3.0;
412			else
413				face = direction.y > 0.0 ? 1.0 : 4.0;
414		} else {
415			if ( absDirection.z > absDirection.y )
416				face = direction.z > 0.0 ? 2.0 : 5.0;
417			else
418				face = direction.y > 0.0 ? 1.0 : 4.0;
419		}
420		return face;
421	}
422	vec2 getUV( vec3 direction, float face ) {
423		vec2 uv;
424		if ( face == 0.0 ) {
425			uv = vec2( direction.z, direction.y ) / abs( direction.x );
426		} else if ( face == 1.0 ) {
427			uv = vec2( - direction.x, - direction.z ) / abs( direction.y );
428		} else if ( face == 2.0 ) {
429			uv = vec2( - direction.x, direction.y ) / abs( direction.z );
430		} else if ( face == 3.0 ) {
431			uv = vec2( - direction.z, direction.y ) / abs( direction.x );
432		} else if ( face == 4.0 ) {
433			uv = vec2( - direction.x, direction.z ) / abs( direction.y );
434		} else {
435			uv = vec2( direction.x, direction.y ) / abs( direction.z );
436		}
437		return 0.5 * ( uv + 1.0 );
438	}
439	vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {
440		float face = getFace( direction );
441		float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );
442		mipInt = max( mipInt, cubeUV_minMipLevel );
443		float faceSize = exp2( mipInt );

444		highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;
445		if ( face > 2.0 ) {
446			uv.y += faceSize;
447			face -= 3.0;
448		}
449		uv.x += face * faceSize;
450		uv.x += filterInt * 3.0 * cubeUV_minTileSize;
451		uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );
452		uv.x *= CUBEUV_TEXEL_WIDTH;
453		uv.y *= CUBEUV_TEXEL_HEIGHT;
454		#ifdef texture2DGradEXT
455			return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;
456		#else
457			return texture2D( envMap, uv ).rgb;
458		#endif
459	}
460	#define cubeUV_r0 1.0
461	#define cubeUV_v0 0.339
462	#define cubeUV_m0 - 2.0
463	#define cubeUV_r1 0.8
464	#define cubeUV_v1 0.276
465	#define cubeUV_m1 - 1.0
466	#define cubeUV_r4 0.4
467	#define cubeUV_v4 0.046
468	#define cubeUV_m4 2.0
469	#define cubeUV_r5 0.305
470	#define cubeUV_v5 0.016
471	#define cubeUV_m5 3.0
472	#define cubeUV_r6 0.21
473	#define cubeUV_v6 0.0038
474	#define cubeUV_m6 4.0
475	float roughnessToMip( float roughness ) {
476		float mip = 0.0;
477		if ( roughness >= cubeUV_r1 ) {
478			mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;
479		} else if ( roughness >= cubeUV_r4 ) {
480			mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;
481		} else if ( roughness >= cubeUV_r5 ) {
482			mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;
483		} else if ( roughness >= cubeUV_r6 ) {
484			mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;
485		} else {
486			mip = - 2.0 * log2( 1.16 * roughness );		}
487		return mip;
488	}
489	vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {
490		float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );
491		float mipF = fract( mip );
492		float mipInt = floor( mip );
493		vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );
494		if ( mipF == 0.0 ) {
495			return vec4( color0, 1.0 );
496		} else {
497			vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );
498			return vec4( mix( color0, color1, mipF ), 1.0 );
499		}
500	}
501#endif`,defaultnormal_vertex:`vec3 transformedNormal = objectNormal;
502#ifdef USE_INSTANCING
503	mat3 m = mat3( instanceMatrix );
504	transformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );
505	transformedNormal = m * transformedNormal;
506#endif
507transformedNormal = normalMatrix * transformedNormal;
508#ifdef FLIP_SIDED
509	transformedNormal = - transformedNormal;
510#endif
511#ifdef USE_TANGENT
512	vec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;
513	#ifdef FLIP_SIDED
514		transformedTangent = - transformedTangent;
515	#endif
516#endif`,displacementmap_pars_vertex:`#ifdef USE_DISPLACEMENTMAP
517	uniform sampler2D displacementMap;
518	uniform float displacementScale;
519	uniform float displacementBias;
520#endif`,displacementmap_vertex:`#ifdef USE_DISPLACEMENTMAP
521	transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );
522#endif`,emissivemap_fragment:`#ifdef USE_EMISSIVEMAP
523	vec4 emissiveColor = texture2D( emissiveMap, vUv );
524	totalEmissiveRadiance *= emissiveColor.rgb;
525#endif`,emissivemap_pars_fragment:`#ifdef USE_EMISSIVEMAP
526	uniform sampler2D emissiveMap;
527#endif`,encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:`vec4 LinearToLinear( in vec4 value ) {
528	return value;
529}
530vec4 LinearTosRGB( in vec4 value ) {
531	return 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 );
532}`,envmap_fragment:`#ifdef USE_ENVMAP
533	#ifdef ENV_WORLDPOS
534		vec3 cameraToFrag;
535		if ( isOrthographic ) {
536			cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );
537		} else {
538			cameraToFrag = normalize( vWorldPosition - cameraPosition );
539		}
540		vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
541		#ifdef ENVMAP_MODE_REFLECTION
542			vec3 reflectVec = reflect( cameraToFrag, worldNormal );
543		#else
544			vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );
545		#endif
546	#else
547		vec3 reflectVec = vReflect;
548	#endif
549	#ifdef ENVMAP_TYPE_CUBE
550		vec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );
551	#else
552		vec4 envColor = vec4( 0.0 );
553	#endif
554	#ifdef ENVMAP_BLENDING_MULTIPLY
555		outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );
556	#elif defined( ENVMAP_BLENDING_MIX )
557		outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );
558	#elif defined( ENVMAP_BLENDING_ADD )
559		outgoingLight += envColor.xyz * specularStrength * reflectivity;
560	#endif
561#endif`,envmap_common_pars_fragment:`#ifdef USE_ENVMAP
562	uniform float envMapIntensity;
563	uniform float flipEnvMap;
564	#ifdef ENVMAP_TYPE_CUBE
565		uniform samplerCube envMap;
566	#else
567		uniform sampler2D envMap;
568	#endif
569	
570#endif`,envmap_pars_fragment:`#ifdef USE_ENVMAP
571	uniform float reflectivity;
572	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )
573		#define ENV_WORLDPOS
574	#endif
575	#ifdef ENV_WORLDPOS
576		varying vec3 vWorldPosition;
577		uniform float refractionRatio;
578	#else
579		varying vec3 vReflect;
580	#endif
581#endif`,envmap_pars_vertex:`#ifdef USE_ENVMAP
582	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )
583		#define ENV_WORLDPOS
584	#endif
585	#ifdef ENV_WORLDPOS
586		
587		varying vec3 vWorldPosition;
588	#else
589		varying vec3 vReflect;
590		uniform float refractionRatio;
591	#endif
592#endif`,envmap_physical_pars_fragment:`#if defined( USE_ENVMAP )
593	vec3 getIBLIrradiance( const in vec3 normal ) {
594		#if defined( ENVMAP_TYPE_CUBE_UV )
595			vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
596			vec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );
597			return PI * envMapColor.rgb * envMapIntensity;
598		#else
599			return vec3( 0.0 );
600		#endif
601	}
602	vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {
603		#if defined( ENVMAP_TYPE_CUBE_UV )
604			vec3 reflectVec = reflect( - viewDir, normal );
605			reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );
606			reflectVec = inverseTransformDirection( reflectVec, viewMatrix );
607			vec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );
608			return envMapColor.rgb * envMapIntensity;
609		#else
610			return vec3( 0.0 );
611		#endif
612	}
613#endif`,envmap_vertex:`#ifdef USE_ENVMAP
614	#ifdef ENV_WORLDPOS
615		vWorldPosition = worldPosition.xyz;
616	#else
617		vec3 cameraToVertex;
618		if ( isOrthographic ) {
619			cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );
620		} else {

621			cameraToVertex = normalize( worldPosition.xyz - cameraPosition );
622		}
623		vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
624		#ifdef ENVMAP_MODE_REFLECTION
625			vReflect = reflect( cameraToVertex, worldNormal );
626		#else
627			vReflect = refract( cameraToVertex, worldNormal, refractionRatio );
628		#endif
629	#endif
630#endif`,fog_vertex:`#ifdef USE_FOG
631	vFogDepth = - mvPosition.z;
632#endif`,fog_pars_vertex:`#ifdef USE_FOG
633	varying float vFogDepth;
634#endif`,fog_fragment:`#ifdef USE_FOG
635	#ifdef FOG_EXP2
636		float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );
637	#else
638		float fogFactor = smoothstep( fogNear, fogFar, vFogDepth );
639	#endif
640	gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );
641#endif`,fog_pars_fragment:`#ifdef USE_FOG
642	uniform vec3 fogColor;
643	varying float vFogDepth;
644	#ifdef FOG_EXP2
645		uniform float fogDensity;
646	#else
647		uniform float fogNear;
648		uniform float fogFar;
649	#endif
650#endif`,gradientmap_pars_fragment:`#ifdef USE_GRADIENTMAP
651	uniform sampler2D gradientMap;
652#endif
653vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {
654	float dotNL = dot( normal, lightDirection );
655	vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );
656	#ifdef USE_GRADIENTMAP
657		return vec3( texture2D( gradientMap, coord ).r );
658	#else
659		vec2 fw = fwidth( coord ) * 0.5;
660		return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );
661	#endif
662}`,lightmap_fragment:`#ifdef USE_LIGHTMAP
663	vec4 lightMapTexel = texture2D( lightMap, vUv2 );
664	vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;
665	reflectedLight.indirectDiffuse += lightMapIrradiance;
666#endif`,lightmap_pars_fragment:`#ifdef USE_LIGHTMAP
667	uniform sampler2D lightMap;
668	uniform float lightMapIntensity;
669#endif`,lights_lambert_fragment:`LambertMaterial material;
670material.diffuseColor = diffuseColor.rgb;
671material.specularStrength = specularStrength;`,lights_lambert_pars_fragment:`varying vec3 vViewPosition;
672struct LambertMaterial {
673	vec3 diffuseColor;
674	float specularStrength;
675};
676void RE_Direct_Lambert( const in IncidentLight directLight, const in GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {
677	float dotNL = saturate( dot( geometry.normal, directLight.direction ) );
678	vec3 irradiance = dotNL * directLight.color;
679	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
680}
681void RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {
682	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
683}
684#define RE_Direct				RE_Direct_Lambert
685#define RE_IndirectDiffuse		RE_IndirectDiffuse_Lambert`,lights_pars_begin:`uniform bool receiveShadow;
686uniform vec3 ambientLightColor;
687uniform vec3 lightProbe[ 9 ];
688vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {
689	float x = normal.x, y = normal.y, z = normal.z;
690	vec3 result = shCoefficients[ 0 ] * 0.886227;
691	result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;
692	result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;
693	result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;
694	result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;
695	result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;
696	result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );
697	result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;
698	result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );
699	return result;
700}
701vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {
702	vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
703	vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );
704	return irradiance;
705}
706vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {
707	vec3 irradiance = ambientLightColor;
708	return irradiance;
709}
710float getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {
711	#if defined ( PHYSICALLY_CORRECT_LIGHTS )
712		float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );
713		if ( cutoffDistance > 0.0 ) {
714			distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );
715		}
716		return distanceFalloff;
717	#else
718		if ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {
719			return pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );
720		}
721		return 1.0;
722	#endif
723}
724float getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {
725	return smoothstep( coneCosine, penumbraCosine, angleCosine );
726}
727#if NUM_DIR_LIGHTS > 0
728	struct DirectionalLight {
729		vec3 direction;
730		vec3 color;
731	};
732	uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];
733	void getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {
734		light.color = directionalLight.color;
735		light.direction = directionalLight.direction;
736		light.visible = true;
737	}
738#endif
739#if NUM_POINT_LIGHTS > 0
740	struct PointLight {
741		vec3 position;
742		vec3 color;
743		float distance;
744		float decay;
745	};
746	uniform PointLight pointLights[ NUM_POINT_LIGHTS ];
747	void getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {
748		vec3 lVector = pointLight.position - geometry.position;
749		light.direction = normalize( lVector );
750		float lightDistance = length( lVector );
751		light.color = pointLight.color;
752		light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );
753		light.visible = ( light.color != vec3( 0.0 ) );
754	}
755#endif

756#if NUM_SPOT_LIGHTS > 0
757	struct SpotLight {
758		vec3 position;
759		vec3 direction;
760		vec3 color;
761		float distance;
762		float decay;
763		float coneCos;
764		float penumbraCos;
765	};
766	uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];
767	void getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {
768		vec3 lVector = spotLight.position - geometry.position;
769		light.direction = normalize( lVector );
770		float angleCos = dot( light.direction, spotLight.direction );
771		float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );
772		if ( spotAttenuation > 0.0 ) {
773			float lightDistance = length( lVector );
774			light.color = spotLight.color * spotAttenuation;
775			light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );
776			light.visible = ( light.color != vec3( 0.0 ) );
777		} else {
778			light.color = vec3( 0.0 );
779			light.visible = false;
780		}
781	}
782#endif
783#if NUM_RECT_AREA_LIGHTS > 0
784	struct RectAreaLight {
785		vec3 color;
786		vec3 position;
787		vec3 halfWidth;
788		vec3 halfHeight;
789	};
790	uniform sampler2D ltc_1;	uniform sampler2D ltc_2;
791	uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];
792#endif
793#if NUM_HEMI_LIGHTS > 0
794	struct HemisphereLight {
795		vec3 direction;
796		vec3 skyColor;
797		vec3 groundColor;
798	};
799	uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];
800	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {
801		float dotNL = dot( normal, hemiLight.direction );
802		float hemiDiffuseWeight = 0.5 * dotNL + 0.5;
803		vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );
804		return irradiance;
805	}
806#endif`,lights_toon_fragment:`ToonMaterial material;
807material.diffuseColor = diffuseColor.rgb;`,lights_toon_pars_fragment:`varying vec3 vViewPosition;
808struct ToonMaterial {
809	vec3 diffuseColor;
810};
811void RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {
812	vec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;
813	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
814}
815void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {
816	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
817}
818#define RE_Direct				RE_Direct_Toon
819#define RE_IndirectDiffuse		RE_IndirectDiffuse_Toon`,lights_phong_fragment:`BlinnPhongMaterial material;
820material.diffuseColor = diffuseColor.rgb;
821material.specularColor = specular;
822material.specularShininess = shininess;
823material.specularStrength = specularStrength;`,lights_phong_pars_fragment:`varying vec3 vViewPosition;
824struct BlinnPhongMaterial {
825	vec3 diffuseColor;
826	vec3 specularColor;
827	float specularShininess;
828	float specularStrength;
829};
830void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
831	float dotNL = saturate( dot( geometry.normal, directLight.direction ) );
832	vec3 irradiance = dotNL * directLight.color;
833	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
834	reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;
835}
836void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
837	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
838}
839#define RE_Direct				RE_Direct_BlinnPhong
840#define RE_IndirectDiffuse		RE_IndirectDiffuse_BlinnPhong`,lights_physical_fragment:`PhysicalMaterial material;
841material.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );
842vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );
843float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );
844material.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;
845material.roughness = min( material.roughness, 1.0 );
846#ifdef IOR
847	material.ior = ior;
848	#ifdef SPECULAR
849		float specularIntensityFactor = specularIntensity;
850		vec3 specularColorFactor = specularColor;
851		#ifdef USE_SPECULARINTENSITYMAP
852			specularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;
853		#endif
854		#ifdef USE_SPECULARCOLORMAP
855			specularColorFactor *= texture2D( specularColorMap, vUv ).rgb;
856		#endif
857		material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );
858	#else
859		float specularIntensityFactor = 1.0;
860		vec3 specularColorFactor = vec3( 1.0 );
861		material.specularF90 = 1.0;
862	#endif
863	material.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );
864#else
865	material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );
866	material.specularF90 = 1.0;
867#endif
868#ifdef USE_CLEARCOAT
869	material.clearcoat = clearcoat;
870	material.clearcoatRoughness = clearcoatRoughness;
871	material.clearcoatF0 = vec3( 0.04 );
872	material.clearcoatF90 = 1.0;
873	#ifdef USE_CLEARCOATMAP
874		material.clearcoat *= texture2D( clearcoatMap, vUv ).x;
875	#endif
876	#ifdef USE_CLEARCOAT_ROUGHNESSMAP
877		material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;
878	#endif
879	material.clearcoat = saturate( material.clearcoat );	material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );
880	material.clearcoatRoughness += geometryRoughness;
881	material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );
882#endif

883#ifdef USE_IRIDESCENCE
884	material.iridescence = iridescence;
885	material.iridescenceIOR = iridescenceIOR;
886	#ifdef USE_IRIDESCENCEMAP
887		material.iridescence *= texture2D( iridescenceMap, vUv ).r;
888	#endif
889	#ifdef USE_IRIDESCENCE_THICKNESSMAP
890		material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vUv ).g + iridescenceThicknessMinimum;
891	#else
892		material.iridescenceThickness = iridescenceThicknessMaximum;
893	#endif
894#endif
895#ifdef USE_SHEEN
896	material.sheenColor = sheenColor;
897	#ifdef USE_SHEENCOLORMAP
898		material.sheenColor *= texture2D( sheenColorMap, vUv ).rgb;
899	#endif
900	material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );
901	#ifdef USE_SHEENROUGHNESSMAP
902		material.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;
903	#endif
904#endif`,lights_physical_pars_fragment:`struct PhysicalMaterial {
905	vec3 diffuseColor;
906	float roughness;
907	vec3 specularColor;
908	float specularF90;
909	#ifdef USE_CLEARCOAT
910		float clearcoat;
911		float clearcoatRoughness;
912		vec3 clearcoatF0;
913		float clearcoatF90;
914	#endif
915	#ifdef USE_IRIDESCENCE
916		float iridescence;
917		float iridescenceIOR;
918		float iridescenceThickness;
919		vec3 iridescenceFresnel;
920		vec3 iridescenceF0;
921	#endif
922	#ifdef USE_SHEEN
923		vec3 sheenColor;
924		float sheenRoughness;
925	#endif
926	#ifdef IOR
927		float ior;
928	#endif
929	#ifdef USE_TRANSMISSION
930		float transmission;
931		float transmissionAlpha;
932		float thickness;
933		float attenuationDistance;
934		vec3 attenuationColor;
935	#endif
936};
937vec3 clearcoatSpecular = vec3( 0.0 );
938vec3 sheenSpecular = vec3( 0.0 );
939float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
940	float dotNV = saturate( dot( normal, viewDir ) );
941	float r2 = roughness * roughness;
942	float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;
943	float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;
944	float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );
945	return saturate( DG * RECIPROCAL_PI );
946}
947vec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
948	float dotNV = saturate( dot( normal, viewDir ) );
949	const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );
950	const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );
951	vec4 r = roughness * c0 + c1;
952	float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;
953	vec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;
954	return fab;
955}
956vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {
957	vec2 fab = DFGApprox( normal, viewDir, roughness );
958	return specularColor * fab.x + specularF90 * fab.y;
959}
960#ifdef USE_IRIDESCENCE
961void 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 ) {
962#else
963void 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 ) {
964#endif
965	vec2 fab = DFGApprox( normal, viewDir, roughness );
966	#ifdef USE_IRIDESCENCE
967		vec3 Fr = mix( specularColor, iridescenceF0, iridescence );
968	#else
969		vec3 Fr = specularColor;
970	#endif
971	vec3 FssEss = Fr * fab.x + specularF90 * fab.y;
972	float Ess = fab.x + fab.y;
973	float Ems = 1.0 - Ess;
974	vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;	vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );
975	singleScatter += FssEss;
976	multiScatter += Fms * Ems;
977}
978#if NUM_RECT_AREA_LIGHTS > 0
979	void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
980		vec3 normal = geometry.normal;
981		vec3 viewDir = geometry.viewDir;
982		vec3 position = geometry.position;
983		vec3 lightPos = rectAreaLight.position;
984		vec3 halfWidth = rectAreaLight.halfWidth;
985		vec3 halfHeight = rectAreaLight.halfHeight;
986		vec3 lightColor = rectAreaLight.color;
987		float roughness = material.roughness;
988		vec3 rectCoords[ 4 ];
989		rectCoords[ 0 ] = lightPos + halfWidth - halfHeight;		rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;
990		rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;
991		rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;
992		vec2 uv = LTC_Uv( normal, viewDir, roughness );
993		vec4 t1 = texture2D( ltc_1, uv );
994		vec4 t2 = texture2D( ltc_2, uv );
995		mat3 mInv = mat3(
996			vec3( t1.x, 0, t1.y ),
997			vec3(    0, 1,    0 ),
998			vec3( t1.z, 0, t1.w )
999		);
1000		vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );
1001		reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );
1002		reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );
1003	}
1004#endif
1005void RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {

1006	float dotNL = saturate( dot( geometry.normal, directLight.direction ) );
1007	vec3 irradiance = dotNL * directLight.color;
1008	#ifdef USE_CLEARCOAT
1009		float dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );
1010		vec3 ccIrradiance = dotNLcc * directLight.color;
1011		clearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
1012	#endif
1013	#ifdef USE_SHEEN
1014		sheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );
1015	#endif
1016	#ifdef USE_IRIDESCENCE
1017		reflectedLight.directSpecular += irradiance * BRDF_GGX_Iridescence( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness );
1018	#else
1019		reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );
1020	#endif
1021	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1022}
1023void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1024	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1025}
1026void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {
1027	#ifdef USE_CLEARCOAT
1028		clearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
1029	#endif
1030	#ifdef USE_SHEEN
1031		sheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );
1032	#endif
1033	vec3 singleScattering = vec3( 0.0 );
1034	vec3 multiScattering = vec3( 0.0 );
1035	vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;
1036	#ifdef USE_IRIDESCENCE
1037		computeMultiscatteringIridescence( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );
1038	#else
1039		computeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );
1040	#endif
1041	vec3 totalScattering = singleScattering + multiScattering;
1042	vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );
1043	reflectedLight.indirectSpecular += radiance * singleScattering;
1044	reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;
1045	reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;
1046}
1047#define RE_Direct				RE_Direct_Physical
1048#define RE_Direct_RectArea		RE_Direct_RectArea_Physical
1049#define RE_IndirectDiffuse		RE_IndirectDiffuse_Physical
1050#define RE_IndirectSpecular		RE_IndirectSpecular_Physical
1051float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {
1052	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );
1053}`,lights_fragment_begin:`
1054GeometricContext geometry;
1055geometry.position = - vViewPosition;
1056geometry.normal = normal;
1057geometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );
1058#ifdef USE_CLEARCOAT
1059	geometry.clearcoatNormal = clearcoatNormal;
1060#endif
1061#ifdef USE_IRIDESCENCE
1062	float dotNVi = saturate( dot( normal, geometry.viewDir ) );
1063	if ( material.iridescenceThickness == 0.0 ) {
1064		material.iridescence = 0.0;
1065	} else {
1066		material.iridescence = saturate( material.iridescence );
1067	}
1068	if ( material.iridescence > 0.0 ) {
1069		material.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );
1070		material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );
1071	}
1072#endif
1073IncidentLight directLight;
1074#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )
1075	PointLight pointLight;
1076	#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0
1077	PointLightShadow pointLightShadow;
1078	#endif
1079	#pragma unroll_loop_start
1080	for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {
1081		pointLight = pointLights[ i ];
1082		getPointLightInfo( pointLight, geometry, directLight );
1083		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )
1084		pointLightShadow = pointLightShadows[ i ];
1085		directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;
1086		#endif
1087		RE_Direct( directLight, geometry, material, reflectedLight );
1088	}
1089	#pragma unroll_loop_end
1090#endif

1091#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )
1092	SpotLight spotLight;
1093	vec4 spotColor;
1094	vec3 spotLightCoord;
1095	bool inSpotLightMap;
1096	#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0
1097	SpotLightShadow spotLightShadow;
1098	#endif
1099	#pragma unroll_loop_start
1100	for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {
1101		spotLight = spotLights[ i ];
1102		getSpotLightInfo( spotLight, geometry, directLight );
1103		#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1104		#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX
1105		#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1106		#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS
1107		#else
1108		#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1109		#endif
1110		#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )
1111			spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;
1112			inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );
1113			spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );
1114			directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;
1115		#endif
1116		#undef SPOT_LIGHT_MAP_INDEX
1117		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1118		spotLightShadow = spotLightShadows[ i ];
1119		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
1120		#endif
1121		RE_Direct( directLight, geometry, material, reflectedLight );
1122	}
1123	#pragma unroll_loop_end
1124#endif
1125#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )
1126	DirectionalLight directionalLight;
1127	#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0
1128	DirectionalLightShadow directionalLightShadow;
1129	#endif
1130	#pragma unroll_loop_start
1131	for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {
1132		directionalLight = directionalLights[ i ];
1133		getDirectionalLightInfo( directionalLight, geometry, directLight );
1134		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )
1135		directionalLightShadow = directionalLightShadows[ i ];
1136		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
1137		#endif
1138		RE_Direct( directLight, geometry, material, reflectedLight );
1139	}
1140	#pragma unroll_loop_end
1141#endif
1142#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )
1143	RectAreaLight rectAreaLight;
1144	#pragma unroll_loop_start
1145	for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {
1146		rectAreaLight = rectAreaLights[ i ];
1147		RE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );
1148	}
1149	#pragma unroll_loop_end
1150#endif
1151#if defined( RE_IndirectDiffuse )
1152	vec3 iblIrradiance = vec3( 0.0 );
1153	vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );
1154	irradiance += getLightProbeIrradiance( lightProbe, geometry.normal );
1155	#if ( NUM_HEMI_LIGHTS > 0 )
1156		#pragma unroll_loop_start
1157		for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {
1158			irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );
1159		}
1160		#pragma unroll_loop_end
1161	#endif
1162#endif
1163#if defined( RE_IndirectSpecular )
1164	vec3 radiance = vec3( 0.0 );
1165	vec3 clearcoatRadiance = vec3( 0.0 );
1166#endif`,lights_fragment_maps:`#if defined( RE_IndirectDiffuse )
1167	#ifdef USE_LIGHTMAP
1168		vec4 lightMapTexel = texture2D( lightMap, vUv2 );
1169		vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;
1170		irradiance += lightMapIrradiance;
1171	#endif
1172	#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )
1173		iblIrradiance += getIBLIrradiance( geometry.normal );
1174	#endif
1175#endif
1176#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )
1177	radiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );
1178	#ifdef USE_CLEARCOAT
1179		clearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );
1180	#endif
1181#endif`,lights_fragment_end:`#if defined( RE_IndirectDiffuse )
1182	RE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );
1183#endif
1184#if defined( RE_IndirectSpecular )
1185	RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );
1186#endif`,logdepthbuf_fragment:`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )
1187	gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;
1188#endif`,logdepthbuf_pars_fragment:`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )
1189	uniform float logDepthBufFC;
1190	varying float vFragDepth;
1191	varying float vIsPerspective;
1192#endif`,logdepthbuf_pars_vertex:`#ifdef USE_LOGDEPTHBUF
1193	#ifdef USE_LOGDEPTHBUF_EXT
1194		varying float vFragDepth;
1195		varying float vIsPerspective;
1196	#else
1197		uniform float logDepthBufFC;
1198	#endif
1199#endif`,logdepthbuf_vertex:`#ifdef USE_LOGDEPTHBUF
1200	#ifdef USE_LOGDEPTHBUF_EXT
1201		vFragDepth = 1.0 + gl_Position.w;
1202		vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );
1203	#else
1204		if ( isPerspectiveMatrix( projectionMatrix ) ) {
1205			gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;
1206			gl_Position.z *= gl_Position.w;
1207		}
1208	#endif
1209#endif`,map_fragment:`#ifdef USE_MAP
1210	vec4 sampledDiffuseColor = texture2D( map, vUv );
1211	#ifdef DECODE_VIDEO_TEXTURE
1212		sampledDiffuseColor = 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 );
1213	#endif
1214	diffuseColor *= sampledDiffuseColor;
1215#endif`,map_pars_fragment:`#ifdef USE_MAP
1216	uniform sampler2D map;
1217#endif`,map_particle_fragment:`#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
1218	vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;
1219#endif
1220#ifdef USE_MAP
1221	diffuseColor *= texture2D( map, uv );
1222#endif
1223#ifdef USE_ALPHAMAP
1224	diffuseColor.a *= texture2D( alphaMap, uv ).g;
1225#endif`,map_particle_pars_fragment:`#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
1226	uniform mat3 uvTransform;
1227#endif
1228#ifdef USE_MAP
1229	uniform sampler2D map;
1230#endif
1231#ifdef USE_ALPHAMAP
1232	uniform sampler2D alphaMap;
1233#endif`,metalnessmap_fragment:`float metalnessFactor = metalness;
1234#ifdef USE_METALNESSMAP
1235	vec4 texelMetalness = texture2D( metalnessMap, vUv );
1236	metalnessFactor *= texelMetalness.b;
1237#endif`,metalnessmap_pars_fragment:`#ifdef USE_METALNESSMAP
1238	uniform sampler2D metalnessMap;
1239#endif`,morphcolor_vertex:`#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )
1240	vColor *= morphTargetBaseInfluence;
1241	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1242		#if defined( USE_COLOR_ALPHA )
1243			if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];
1244		#elif defined( USE_COLOR )
1245			if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];
1246		#endif
1247	}
1248#endif`,morphnormal_vertex:`#ifdef USE_MORPHNORMALS
1249	objectNormal *= morphTargetBaseInfluence;
1250	#ifdef MORPHTARGETS_TEXTURE
1251		for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1252			if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];
1253		}
1254	#else
1255		objectNormal += morphNormal0 * morphTargetInfluences[ 0 ];
1256		objectNormal += morphNormal1 * morphTargetInfluences[ 1 ];
1257		objectNormal += morphNormal2 * morphTargetInfluences[ 2 ];
1258		objectNormal += morphNormal3 * morphTargetInfluences[ 3 ];
1259	#endif
1260#endif`,morphtarget_pars_vertex:`#ifdef USE_MORPHTARGETS
1261	uniform float morphTargetBaseInfluence;
1262	#ifdef MORPHTARGETS_TEXTURE
1263		uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];
1264		uniform sampler2DArray morphTargetsTexture;
1265		uniform ivec2 morphTargetsTextureSize;
1266		vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {
1267			int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;
1268			int y = texelIndex / morphTargetsTextureSize.x;
1269			int x = texelIndex - y * morphTargetsTextureSize.x;
1270			ivec3 morphUV = ivec3( x, y, morphTargetIndex );
1271			return texelFetch( morphTargetsTexture, morphUV, 0 );
1272		}
1273	#else
1274		#ifndef USE_MORPHNORMALS
1275			uniform float morphTargetInfluences[ 8 ];
1276		#else
1277			uniform float morphTargetInfluences[ 4 ];
1278		#endif
1279	#endif
1280#endif`,morphtarget_vertex:`#ifdef USE_MORPHTARGETS
1281	transformed *= morphTargetBaseInfluence;
1282	#ifdef MORPHTARGETS_TEXTURE
1283		for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1284			if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];
1285		}
1286	#else
1287		transformed += morphTarget0 * morphTargetInfluences[ 0 ];
1288		transformed += morphTarget1 * morphTargetInfluences[ 1 ];
1289		transformed += morphTarget2 * morphTargetInfluences[ 2 ];
1290		transformed += morphTarget3 * morphTargetInfluences[ 3 ];
1291		#ifndef USE_MORPHNORMALS
1292			transformed += morphTarget4 * morphTargetInfluences[ 4 ];
1293			transformed += morphTarget5 * morphTargetInfluences[ 5 ];
1294			transformed += morphTarget6 * morphTargetInfluences[ 6 ];
1295			transformed += morphTarget7 * morphTargetInfluences[ 7 ];
1296		#endif
1297	#endif
1298#endif`,normal_fragment_begin:`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;
1299#ifdef FLAT_SHADED
1300	vec3 fdx = dFdx( vViewPosition );
1301	vec3 fdy = dFdy( vViewPosition );
1302	vec3 normal = normalize( cross( fdx, fdy ) );
1303#else
1304	vec3 normal = normalize( vNormal );
1305	#ifdef DOUBLE_SIDED
1306		normal = normal * faceDirection;
1307	#endif
1308	#ifdef USE_TANGENT
1309		vec3 tangent = normalize( vTangent );
1310		vec3 bitangent = normalize( vBitangent );
1311		#ifdef DOUBLE_SIDED
1312			tangent = tangent * faceDirection;
1313			bitangent = bitangent * faceDirection;
1314		#endif
1315		#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )
1316			mat3 vTBN = mat3( tangent, bitangent, normal );
1317		#endif
1318	#endif
1319#endif
1320vec3 geometryNormal = normal;`,normal_fragment_maps:`#ifdef OBJECTSPACE_NORMALMAP
1321	normal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;
1322	#ifdef FLIP_SIDED
1323		normal = - normal;
1324	#endif
1325	#ifdef DOUBLE_SIDED
1326		normal = normal * faceDirection;
1327	#endif
1328	normal = normalize( normalMatrix * normal );
1329#elif defined( TANGENTSPACE_NORMALMAP )
1330	vec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;
1331	mapN.xy *= normalScale;
1332	#ifdef USE_TANGENT
1333		normal = normalize( vTBN * mapN );
1334	#else

1335		normal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );
1336	#endif
1337#elif defined( USE_BUMPMAP )
1338	normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );
1339#endif`,normal_pars_fragment:`#ifndef FLAT_SHADED
1340	varying vec3 vNormal;
1341	#ifdef USE_TANGENT
1342		varying vec3 vTangent;
1343		varying vec3 vBitangent;
1344	#endif
1345#endif`,normal_pars_vertex:`#ifndef FLAT_SHADED
1346	varying vec3 vNormal;
1347	#ifdef USE_TANGENT
1348		varying vec3 vTangent;
1349		varying vec3 vBitangent;
1350	#endif
1351#endif`,normal_vertex:`#ifndef FLAT_SHADED
1352	vNormal = normalize( transformedNormal );
1353	#ifdef USE_TANGENT
1354		vTangent = normalize( transformedTangent );
1355		vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );
1356	#endif
1357#endif`,normalmap_pars_fragment:`#ifdef USE_NORMALMAP
1358	uniform sampler2D normalMap;
1359	uniform vec2 normalScale;
1360#endif
1361#ifdef OBJECTSPACE_NORMALMAP
1362	uniform mat3 normalMatrix;
1363#endif
1364#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )
1365	vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {
1366		vec3 q0 = dFdx( eye_pos.xyz );
1367		vec3 q1 = dFdy( eye_pos.xyz );
1368		vec2 st0 = dFdx( vUv.st );
1369		vec2 st1 = dFdy( vUv.st );
1370		vec3 N = surf_norm;
1371		vec3 q1perp = cross( q1, N );
1372		vec3 q0perp = cross( N, q0 );
1373		vec3 T = q1perp * st0.x + q0perp * st1.x;
1374		vec3 B = q1perp * st0.y + q0perp * st1.y;
1375		float det = max( dot( T, T ), dot( B, B ) );
1376		float scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );
1377		return normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );
1378	}
1379#endif`,clearcoat_normal_fragment_begin:`#ifdef USE_CLEARCOAT
1380	vec3 clearcoatNormal = geometryNormal;
1381#endif`,clearcoat_normal_fragment_maps:`#ifdef USE_CLEARCOAT_NORMALMAP
1382	vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;
1383	clearcoatMapN.xy *= clearcoatNormalScale;
1384	#ifdef USE_TANGENT
1385		clearcoatNormal = normalize( vTBN * clearcoatMapN );
1386	#else
1387		clearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );
1388	#endif
1389#endif`,clearcoat_pars_fragment:`#ifdef USE_CLEARCOATMAP
1390	uniform sampler2D clearcoatMap;
1391#endif
1392#ifdef USE_CLEARCOAT_ROUGHNESSMAP
1393	uniform sampler2D clearcoatRoughnessMap;
1394#endif
1395#ifdef USE_CLEARCOAT_NORMALMAP
1396	uniform sampler2D clearcoatNormalMap;
1397	uniform vec2 clearcoatNormalScale;
1398#endif`,iridescence_pars_fragment:`#ifdef USE_IRIDESCENCEMAP
1399	uniform sampler2D iridescenceMap;
1400#endif
1401#ifdef USE_IRIDESCENCE_THICKNESSMAP
1402	uniform sampler2D iridescenceThicknessMap;
1403#endif`,output_fragment:`#ifdef OPAQUE
1404diffuseColor.a = 1.0;
1405#endif
1406#ifdef USE_TRANSMISSION
1407diffuseColor.a *= material.transmissionAlpha + 0.1;
1408#endif
1409gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,packing:`vec3 packNormalToRGB( const in vec3 normal ) {
1410	return normalize( normal ) * 0.5 + 0.5;
1411}
1412vec3 unpackRGBToNormal( const in vec3 rgb ) {
1413	return 2.0 * rgb.xyz - 1.0;
1414}
1415const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;
1416const vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );
1417const vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );
1418const float ShiftRight8 = 1. / 256.;
1419vec4 packDepthToRGBA( const in float v ) {
1420	vec4 r = vec4( fract( v * PackFactors ), v );
1421	r.yzw -= r.xyz * ShiftRight8;	return r * PackUpscale;
1422}
1423float unpackRGBAToDepth( const in vec4 v ) {
1424	return dot( v, UnpackFactors );
1425}
1426vec2 packDepthToRG( in highp float v ) {
1427	return packDepthToRGBA( v ).yx;
1428}
1429float unpackRGToDepth( const in highp vec2 v ) {
1430	return unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );
1431}
1432vec4 pack2HalfToRGBA( vec2 v ) {
1433	vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );
1434	return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );
1435}
1436vec2 unpackRGBATo2Half( vec4 v ) {
1437	return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );
1438}
1439float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {
1440	return ( viewZ + near ) / ( near - far );
1441}
1442float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {
1443	return linearClipZ * ( near - far ) - near;
1444}
1445float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {
1446	return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );
1447}
1448float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {
1449	return ( near * far ) / ( ( far - near ) * invClipZ - far );
1450}`,premultiplied_alpha_fragment:`#ifdef PREMULTIPLIED_ALPHA
1451	gl_FragColor.rgb *= gl_FragColor.a;
1452#endif`,project_vertex:`vec4 mvPosition = vec4( transformed, 1.0 );
1453#ifdef USE_INSTANCING
1454	mvPosition = instanceMatrix * mvPosition;
1455#endif
1456mvPosition = modelViewMatrix * mvPosition;
1457gl_Position = projectionMatrix * mvPosition;`,dithering_fragment:`#ifdef DITHERING
1458	gl_FragColor.rgb = dithering( gl_FragColor.rgb );
1459#endif`,dithering_pars_fragment:`#ifdef DITHERING
1460	vec3 dithering( vec3 color ) {
1461		float grid_position = rand( gl_FragCoord.xy );
1462		vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );
1463		dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );
1464		return color + dither_shift_RGB;
1465	}
1466#endif`,roughnessmap_fragment:`float roughnessFactor = roughness;
1467#ifdef USE_ROUGHNESSMAP
1468	vec4 texelRoughness = texture2D( roughnessMap, vUv );
1469	roughnessFactor *= texelRoughness.g;
1470#endif`,roughnessmap_pars_fragment:`#ifdef USE_ROUGHNESSMAP
1471	uniform sampler2D roughnessMap;

1472#endif`,shadowmap_pars_fragment:`#if NUM_SPOT_LIGHT_COORDS > 0
1473  varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];
1474#endif
1475#if NUM_SPOT_LIGHT_MAPS > 0
1476  uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];
1477#endif
1478#ifdef USE_SHADOWMAP
1479	#if NUM_DIR_LIGHT_SHADOWS > 0
1480		uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];
1481		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
1482		struct DirectionalLightShadow {
1483			float shadowBias;
1484			float shadowNormalBias;
1485			float shadowRadius;
1486			vec2 shadowMapSize;
1487		};
1488		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];
1489	#endif
1490	#if NUM_SPOT_LIGHT_SHADOWS > 0
1491		uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];
1492		struct SpotLightShadow {
1493			float shadowBias;
1494			float shadowNormalBias;
1495			float shadowRadius;
1496			vec2 shadowMapSize;
1497		};
1498		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];
1499	#endif
1500	#if NUM_POINT_LIGHT_SHADOWS > 0
1501		uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];
1502		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];
1503		struct PointLightShadow {
1504			float shadowBias;
1505			float shadowNormalBias;
1506			float shadowRadius;
1507			vec2 shadowMapSize;
1508			float shadowCameraNear;
1509			float shadowCameraFar;
1510		};
1511		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
1512	#endif
1513	float texture2DCompare( sampler2D depths, vec2 uv, float compare ) {
1514		return step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );
1515	}
1516	vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {
1517		return unpackRGBATo2Half( texture2D( shadow, uv ) );
1518	}
1519	float VSMShadow (sampler2D shadow, vec2 uv, float compare ){
1520		float occlusion = 1.0;
1521		vec2 distribution = texture2DDistribution( shadow, uv );
1522		float hard_shadow = step( compare , distribution.x );
1523		if (hard_shadow != 1.0 ) {
1524			float distance = compare - distribution.x ;
1525			float variance = max( 0.00000, distribution.y * distribution.y );
1526			float softness_probability = variance / (variance + distance * distance );			softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );			occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );
1527		}
1528		return occlusion;
1529	}
1530	float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
1531		float shadow = 1.0;
1532		shadowCoord.xyz /= shadowCoord.w;
1533		shadowCoord.z += shadowBias;
1534		bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;
1535		bool frustumTest = inFrustum && shadowCoord.z <= 1.0;
1536		if ( frustumTest ) {
1537		#if defined( SHADOWMAP_TYPE_PCF )
1538			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
1539			float dx0 = - texelSize.x * shadowRadius;
1540			float dy0 = - texelSize.y * shadowRadius;
1541			float dx1 = + texelSize.x * shadowRadius;
1542			float dy1 = + texelSize.y * shadowRadius;
1543			float dx2 = dx0 / 2.0;
1544			float dy2 = dy0 / 2.0;
1545			float dx3 = dx1 / 2.0;
1546			float dy3 = dy1 / 2.0;
1547			shadow = (
1548				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +
1549				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +
1550				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +
1551				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +
1552				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +
1553				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +
1554				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +
1555				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +
1556				texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +
1557				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +
1558				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +
1559				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +
1560				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +
1561				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +
1562				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +
1563				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +
1564				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )
1565			) * ( 1.0 / 17.0 );
1566		#elif defined( SHADOWMAP_TYPE_PCF_SOFT )
1567			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
1568			float dx = texelSize.x;
1569			float dy = texelSize.y;
1570			vec2 uv = shadowCoord.xy;

1571			vec2 f = fract( uv * shadowMapSize + 0.5 );
1572			uv -= f * texelSize;
1573			shadow = (
1574				texture2DCompare( shadowMap, uv, shadowCoord.z ) +
1575				texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +
1576				texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +
1577				texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +
1578				mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),
1579					 texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),
1580					 f.x ) +
1581				mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),
1582					 texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),
1583					 f.x ) +
1584				mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),
1585					 texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),
1586					 f.y ) +
1587				mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),
1588					 texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),
1589					 f.y ) +
1590				mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),
1591						  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),
1592						  f.x ),
1593					 mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),
1594						  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),
1595						  f.x ),
1596					 f.y )
1597			) * ( 1.0 / 9.0 );
1598		#elif defined( SHADOWMAP_TYPE_VSM )
1599			shadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );
1600		#else
1601			shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );
1602		#endif
1603		}
1604		return shadow;
1605	}
1606	vec2 cubeToUV( vec3 v, float texelSizeY ) {
1607		vec3 absV = abs( v );
1608		float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );
1609		absV *= scaleToCube;
1610		v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );
1611		vec2 planar = v.xy;
1612		float almostATexel = 1.5 * texelSizeY;
1613		float almostOne = 1.0 - almostATexel;
1614		if ( absV.z >= almostOne ) {
1615			if ( v.z > 0.0 )
1616				planar.x = 4.0 - v.x;
1617		} else if ( absV.x >= almostOne ) {
1618			float signX = sign( v.x );
1619			planar.x = v.z * signX + 2.0 * signX;
1620		} else if ( absV.y >= almostOne ) {
1621			float signY = sign( v.y );
1622			planar.x = v.x + 2.0 * signY + 2.0;
1623			planar.y = v.z * signY - 2.0;
1624		}
1625		return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );
1626	}
1627	float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {
1628		vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );
1629		vec3 lightToPosition = shadowCoord.xyz;
1630		float dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );		dp += shadowBias;
1631		vec3 bd3D = normalize( lightToPosition );
1632		#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )
1633			vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;
1634			return (
1635				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +
1636				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +
1637				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +
1638				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +
1639				texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +
1640				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +
1641				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +
1642				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +
1643				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )
1644			) * ( 1.0 / 9.0 );
1645		#else
1646			return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );
1647		#endif
1648	}
1649#endif`,shadowmap_pars_vertex:`#if NUM_SPOT_LIGHT_COORDS > 0
1650  uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];
1651  varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];
1652#endif
1653#ifdef USE_SHADOWMAP
1654	#if NUM_DIR_LIGHT_SHADOWS > 0
1655		uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];
1656		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
1657		struct DirectionalLightShadow {
1658			float shadowBias;
1659			float shadowNormalBias;
1660			float shadowRadius;
1661			vec2 shadowMapSize;
1662		};
1663		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];
1664	#endif

1665	#if NUM_SPOT_LIGHT_SHADOWS > 0
1666		struct SpotLightShadow {
1667			float shadowBias;
1668			float shadowNormalBias;
1669			float shadowRadius;
1670			vec2 shadowMapSize;
1671		};
1672		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];
1673	#endif
1674	#if NUM_POINT_LIGHT_SHADOWS > 0
1675		uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];
1676		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];
1677		struct PointLightShadow {
1678			float shadowBias;
1679			float shadowNormalBias;
1680			float shadowRadius;
1681			vec2 shadowMapSize;
1682			float shadowCameraNear;
1683			float shadowCameraFar;
1684		};
1685		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
1686	#endif
1687#endif`,shadowmap_vertex:`#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )
1688	vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
1689	vec4 shadowWorldPosition;
1690#endif
1691#if defined( USE_SHADOWMAP )
1692	#if NUM_DIR_LIGHT_SHADOWS > 0
1693		#pragma unroll_loop_start
1694		for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
1695			shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );
1696			vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;
1697		}
1698		#pragma unroll_loop_end
1699	#endif
1700	#if NUM_POINT_LIGHT_SHADOWS > 0
1701		#pragma unroll_loop_start
1702		for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
1703			shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );
1704			vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;
1705		}
1706		#pragma unroll_loop_end
1707	#endif
1708#endif
1709#if NUM_SPOT_LIGHT_COORDS > 0
1710	#pragma unroll_loop_start
1711	for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {
1712		shadowWorldPosition = worldPosition;
1713		#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1714			shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;
1715		#endif
1716		vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;
1717	}
1718	#pragma unroll_loop_end
1719#endif`,shadowmask_pars_fragment:`float getShadowMask() {
1720	float shadow = 1.0;
1721	#ifdef USE_SHADOWMAP
1722	#if NUM_DIR_LIGHT_SHADOWS > 0
1723	DirectionalLightShadow directionalLight;
1724	#pragma unroll_loop_start
1725	for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
1726		directionalLight = directionalLightShadows[ i ];
1727		shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
1728	}
1729	#pragma unroll_loop_end
1730	#endif
1731	#if NUM_SPOT_LIGHT_SHADOWS > 0
1732	SpotLightShadow spotLight;
1733	#pragma unroll_loop_start
1734	for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {
1735		spotLight = spotLightShadows[ i ];
1736		shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
1737	}
1738	#pragma unroll_loop_end
1739	#endif
1740	#if NUM_POINT_LIGHT_SHADOWS > 0
1741	PointLightShadow pointLight;
1742	#pragma unroll_loop_start
1743	for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
1744		pointLight = pointLightShadows[ i ];
1745		shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;
1746	}
1747	#pragma unroll_loop_end
1748	#endif
1749	#endif
1750	return shadow;
1751}`,skinbase_vertex:`#ifdef USE_SKINNING
1752	mat4 boneMatX = getBoneMatrix( skinIndex.x );
1753	mat4 boneMatY = getBoneMatrix( skinIndex.y );
1754	mat4 boneMatZ = getBoneMatrix( skinIndex.z );
1755	mat4 boneMatW = getBoneMatrix( skinIndex.w );
1756#endif`,skinning_pars_vertex:`#ifdef USE_SKINNING
1757	uniform mat4 bindMatrix;
1758	uniform mat4 bindMatrixInverse;
1759	uniform highp sampler2D boneTexture;
1760	uniform int boneTextureSize;
1761	mat4 getBoneMatrix( const in float i ) {
1762		float j = i * 4.0;
1763		float x = mod( j, float( boneTextureSize ) );
1764		float y = floor( j / float( boneTextureSize ) );
1765		float dx = 1.0 / float( boneTextureSize );
1766		float dy = 1.0 / float( boneTextureSize );
1767		y = dy * ( y + 0.5 );
1768		vec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );
1769		vec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );
1770		vec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );
1771		vec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );
1772		mat4 bone = mat4( v1, v2, v3, v4 );
1773		return bone;
1774	}
1775#endif`,skinning_vertex:`#ifdef USE_SKINNING
1776	vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );
1777	vec4 skinned = vec4( 0.0 );
1778	skinned += boneMatX * skinVertex * skinWeight.x;
1779	skinned += boneMatY * skinVertex * skinWeight.y;
1780	skinned += boneMatZ * skinVertex * skinWeight.z;
1781	skinned += boneMatW * skinVertex * skinWeight.w;
1782	transformed = ( bindMatrixInverse * skinned ).xyz;
1783#endif`,skinnormal_vertex:`#ifdef USE_SKINNING
1784	mat4 skinMatrix = mat4( 0.0 );
1785	skinMatrix += skinWeight.x * boneMatX;
1786	skinMatrix += skinWeight.y * boneMatY;
1787	skinMatrix += skinWeight.z * boneMatZ;
1788	skinMatrix += skinWeight.w * boneMatW;
1789	skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;
1790	objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;
1791	#ifdef USE_TANGENT
1792		objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;
1793	#endif
1794#endif`,specularmap_fragment:`float specularStrength;
1795#ifdef USE_SPECULARMAP
1796	vec4 texelSpecular = texture2D( specularMap, vUv );
1797	specularStrength = texelSpecular.r;
1798#else
1799	specularStrength = 1.0;
1800#endif`,specularmap_pars_fragment:`#ifdef USE_SPECULARMAP
1801	uniform sampler2D specularMap;
1802#endif`,tonemapping_fragment:`#if defined( TONE_MAPPING )
1803	gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );
1804#endif`,tonemapping_pars_fragment:`#ifndef saturate
1805#define saturate( a ) clamp( a, 0.0, 1.0 )
1806#endif
1807uniform float toneMappingExposure;
1808vec3 LinearToneMapping( vec3 color ) {
1809	return toneMappingExposure * color;
1810}
1811vec3 ReinhardToneMapping( vec3 color ) {
1812	color *= toneMappingExposure;
1813	return saturate( color / ( vec3( 1.0 ) + color ) );
1814}
1815vec3 OptimizedCineonToneMapping( vec3 color ) {
1816	color *= toneMappingExposure;
1817	color = max( vec3( 0.0 ), color - 0.004 );
1818	return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );
1819}
1820vec3 RRTAndODTFit( vec3 v ) {
1821	vec3 a = v * ( v + 0.0245786 ) - 0.000090537;
1822	vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;
1823	return a / b;
1824}
1825vec3 ACESFilmicToneMapping( vec3 color ) {
1826	const mat3 ACESInputMat = mat3(
1827		vec3( 0.59719, 0.07600, 0.02840 ),		vec3( 0.35458, 0.90834, 0.13383 ),
1828		vec3( 0.04823, 0.01566, 0.83777 )
1829	);
1830	const mat3 ACESOutputMat = mat3(
1831		vec3(  1.60475, -0.10208, -0.00327 ),		vec3( -0.53108,  1.10813, -0.07276 ),
1832		vec3( -0.07367, -0.00605,  1.07602 )
1833	);
1834	color *= toneMappingExposure / 0.6;
1835	color = ACESInputMat * color;
1836	color = RRTAndODTFit( color );
1837	color = ACESOutputMat * color;
1838	return saturate( color );
1839}
1840vec3 CustomToneMapping( vec3 color ) { return color; }`,transmission_fragment:`#ifdef USE_TRANSMISSION
1841	material.transmission = transmission;
1842	material.transmissionAlpha = 1.0;
1843	material.thickness = thickness;
1844	material.attenuationDistance = attenuationDistance;
1845	material.attenuationColor = attenuationColor;
1846	#ifdef USE_TRANSMISSIONMAP
1847		material.transmission *= texture2D( transmissionMap, vUv ).r;
1848	#endif
1849	#ifdef USE_THICKNESSMAP
1850		material.thickness *= texture2D( thicknessMap, vUv ).g;

1851	#endif
1852	vec3 pos = vWorldPosition;
1853	vec3 v = normalize( cameraPosition - pos );
1854	vec3 n = inverseTransformDirection( normal, viewMatrix );
1855	vec4 transmission = getIBLVolumeRefraction(
1856		n, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,
1857		pos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness,
1858		material.attenuationColor, material.attenuationDistance );
1859	material.transmissionAlpha = mix( material.transmissionAlpha, transmission.a, material.transmission );
1860	totalDiffuse = mix( totalDiffuse, transmission.rgb, material.transmission );
1861#endif`,transmission_pars_fragment:`#ifdef USE_TRANSMISSION
1862	uniform float transmission;
1863	uniform float thickness;
1864	uniform float attenuationDistance;
1865	uniform vec3 attenuationColor;
1866	#ifdef USE_TRANSMISSIONMAP
1867		uniform sampler2D transmissionMap;
1868	#endif
1869	#ifdef USE_THICKNESSMAP
1870		uniform sampler2D thicknessMap;
1871	#endif
1872	uniform vec2 transmissionSamplerSize;
1873	uniform sampler2D transmissionSamplerMap;
1874	uniform mat4 modelMatrix;
1875	uniform mat4 projectionMatrix;
1876	varying vec3 vWorldPosition;
1877	vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {
1878		vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );
1879		vec3 modelScale;
1880		modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );
1881		modelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );
1882		modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );
1883		return normalize( refractionVector ) * thickness * modelScale;
1884	}
1885	float applyIorToRoughness( const in float roughness, const in float ior ) {
1886		return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );
1887	}
1888	vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {
1889		float framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );
1890		#ifdef texture2DLodEXT
1891			return texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );
1892		#else
1893			return texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );
1894		#endif
1895	}
1896	vec3 applyVolumeAttenuation( const in vec3 radiance, const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {
1897		if ( isinf( attenuationDistance ) ) {
1898			return radiance;
1899		} else {
1900			vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;
1901			vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );			return transmittance * radiance;
1902		}
1903	}
1904	vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,
1905		const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,
1906		const in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,
1907		const in vec3 attenuationColor, const in float attenuationDistance ) {
1908		vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );
1909		vec3 refractedRayExit = position + transmissionRay;
1910		vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );
1911		vec2 refractionCoords = ndcPos.xy / ndcPos.w;
1912		refractionCoords += 1.0;
1913		refractionCoords /= 2.0;
1914		vec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );
1915		vec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );
1916		vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );
1917		return vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );
1918	}
1919#endif`,uv_pars_fragment:`#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )
1920	varying vec2 vUv;
1921#endif`,uv_pars_vertex:`#ifdef USE_UV
1922	#ifdef UVS_VERTEX_ONLY
1923		vec2 vUv;
1924	#else
1925		varying vec2 vUv;
1926	#endif
1927	uniform mat3 uvTransform;
1928#endif`,uv_vertex:`#ifdef USE_UV
1929	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;
1930#endif`,uv2_pars_fragment:`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
1931	varying vec2 vUv2;
1932#endif`,uv2_pars_vertex:`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
1933	attribute vec2 uv2;
1934	varying vec2 vUv2;
1935	uniform mat3 uv2Transform;
1936#endif`,uv2_vertex:`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
1937	vUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;
1938#endif`,worldpos_vertex:`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_L

1938IGHT_COORDS > 0
1939	vec4 worldPosition = vec4( transformed, 1.0 );
1940	#ifdef USE_INSTANCING
1941		worldPosition = instanceMatrix * worldPosition;
1942	#endif
1943	worldPosition = modelMatrix * worldPosition;
1944#endif`,background_vert:`varying vec2 vUv;
1945uniform mat3 uvTransform;
1946void main() {
1947	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;
1948	gl_Position = vec4( position.xy, 1.0, 1.0 );
1949}`,background_frag:`uniform sampler2D t2D;
1950uniform float backgroundIntensity;
1951varying vec2 vUv;
1952void main() {
1953	vec4 texColor = texture2D( t2D, vUv );
1954	#ifdef DECODE_VIDEO_TEXTURE
1955		texColor = 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 );
1956	#endif
1957	texColor.rgb *= backgroundIntensity;
1958	gl_FragColor = texColor;
1959	#include <tonemapping_fragment>
1960	#include <encodings_fragment>
1961}`,backgroundCube_vert:`varying vec3 vWorldDirection;
1962#include <common>
1963void main() {
1964	vWorldDirection = transformDirection( position, modelMatrix );
1965	#include <begin_vertex>
1966	#include <project_vertex>
1967	gl_Position.z = gl_Position.w;
1968}`,backgroundCube_frag:`#ifdef ENVMAP_TYPE_CUBE
1969	uniform samplerCube envMap;
1970#elif defined( ENVMAP_TYPE_CUBE_UV )
1971	uniform sampler2D envMap;
1972#endif
1973uniform float flipEnvMap;
1974uniform float backgroundBlurriness;
1975uniform float backgroundIntensity;
1976varying vec3 vWorldDirection;
1977#include <cube_uv_reflection_fragment>
1978void main() {
1979	#ifdef ENVMAP_TYPE_CUBE
1980		vec4 texColor = textureCube( envMap, vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );
1981	#elif defined( ENVMAP_TYPE_CUBE_UV )
1982		vec4 texColor = textureCubeUV( envMap, vWorldDirection, backgroundBlurriness );
1983	#else
1984		vec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );
1985	#endif
1986	texColor.rgb *= backgroundIntensity;
1987	gl_FragColor = texColor;
1988	#include <tonemapping_fragment>
1989	#include <encodings_fragment>
1990}`,cube_vert:`varying vec3 vWorldDirection;
1991#include <common>
1992void main() {
1993	vWorldDirection = transformDirection( position, modelMatrix );
1994	#include <begin_vertex>
1995	#include <project_vertex>
1996	gl_Position.z = gl_Position.w;
1997}`,cube_frag:`uniform samplerCube tCube;
1998uniform float tFlip;
1999uniform float opacity;
2000varying vec3 vWorldDirection;
2001void main() {
2002	vec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );
2003	gl_FragColor = texColor;
2004	gl_FragColor.a *= opacity;
2005	#include <tonemapping_fragment>
2006	#include <encodings_fragment>
2007}`,depth_vert:`#include <common>
2008#include <uv_pars_vertex>
2009#include <displacementmap_pars_vertex>
2010#include <morphtarget_pars_vertex>
2011#include <skinning_pars_vertex>
2012#include <logdepthbuf_pars_vertex>
2013#include <clipping_planes_pars_vertex>
2014varying vec2 vHighPrecisionZW;
2015void main() {
2016	#include <uv_vertex>
2017	#include <skinbase_vertex>
2018	#ifdef USE_DISPLACEMENTMAP
2019		#include <beginnormal_vertex>
2020		#include <morphnormal_vertex>
2021		#include <skinnormal_vertex>
2022	#endif
2023	#include <begin_vertex>
2024	#include <morphtarget_vertex>
2025	#include <skinning_vertex>
2026	#include <displacementmap_vertex>
2027	#include <project_vertex>
2028	#include <logdepthbuf_vertex>
2029	#include <clipping_planes_vertex>
2030	vHighPrecisionZW = gl_Position.zw;
2031}`,depth_frag:`#if DEPTH_PACKING == 3200
2032	uniform float opacity;
2033#endif
2034#include <common>
2035#include <packing>
2036#include <uv_pars_fragment>
2037#include <map_pars_fragment>
2038#include <alphamap_pars_fragment>
2039#include <alphatest_pars_fragment>
2040#include <logdepthbuf_pars_fragment>
2041#include <clipping_planes_pars_fragment>
2042varying vec2 vHighPrecisionZW;
2043void main() {
2044	#include <clipping_planes_fragment>
2045	vec4 diffuseColor = vec4( 1.0 );
2046	#if DEPTH_PACKING == 3200
2047		diffuseColor.a = opacity;
2048	#endif
2049	#include <map_fragment>
2050	#include <alphamap_fragment>
2051	#include <alphatest_fragment>
2052	#include <logdepthbuf_fragment>
2053	float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;
2054	#if DEPTH_PACKING == 3200
2055		gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );
2056	#elif DEPTH_PACKING == 3201
2057		gl_FragColor = packDepthToRGBA( fragCoordZ );
2058	#endif
2059}`,distanceRGBA_vert:`#define DISTANCE
2060varying vec3 vWorldPosition;
2061#include <common>
2062#include <uv_pars_vertex>
2063#include <displacementmap_pars_vertex>
2064#include <morphtarget_pars_vertex>
2065#include <skinning_pars_vertex>
2066#include <clipping_planes_pars_vertex>
2067void main() {
2068	#include <uv_vertex>
2069	#include <skinbase_vertex>
2070	#ifdef USE_DISPLACEMENTMAP
2071		#include <beginnormal_vertex>
2072		#include <morphnormal_vertex>
2073		#include <skinnormal_vertex>
2074	#endif
2075	#include <begin_vertex>
2076	#include <morphtarget_vertex>
2077	#include <skinning_vertex>
2078	#include <displacementmap_vertex>
2079	#include <project_vertex>
2080	#include <worldpos_vertex>
2081	#include <clipping_planes_vertex>
2082	vWorldPosition = worldPosition.xyz;
2083}`,distanceRGBA_frag:`#define DISTANCE
2084uniform vec3 referencePosition;
2085uniform float nearDistance;
2086uniform float farDistance;
2087varying vec3 vWorldPosition;
2088#include <common>
2089#include <packing>
2090#include <uv_pars_fragment>
2091#include <map_pars_fragment>
2092#include <alphamap_pars_fragment>
2093#include <alphatest_pars_fragment>
2094#include <clipping_planes_pars_fragment>
2095void main () {
2096	#include <clipping_planes_fragment>
2097	vec4 diffuseColor = vec4( 1.0 );
2098	#include <map_fragment>
2099	#include <alphamap_fragment>
2100	#include <alphatest_fragment>
2101	float dist = length( vWorldPosition - referencePosition );
2102	dist = ( dist - nearDistance ) / ( farDistance - nearDistance );
2103	dist = saturate( dist );
2104	gl_FragColor = packDepthToRGBA( dist );
2105}`,equirect_vert:`varying vec3 vWorldDirection;
2106#include <common>
2107void main() {
2108	vWorldDirection = transformDirection( position, modelMatrix );
2109	#include <begin_vertex>
2110	#include <project_vertex>
2111}`,equirect_frag:`uniform sampler2D tEquirect;
2112varying vec3 vWorldDirection;
2113#include <common>
2114void main() {
2115	vec3 direction = normalize( vWorldDirection );
2116	vec2 sampleUV = equirectUv( direction );
2117	gl_FragColor = texture2D( tEquirect, sampleUV );
2118	#include <tonemapping_fragment>
2119	#include <encodings_fragment>
2120}`,linedashed_vert:`uniform float scale;
2121attribute float lineDistance;
2122varying float vLineDistance;
2123#include <common>
2124#include <color_pars_vertex>
2125#include <fog_pars_vertex>
2126#include <morphtarget_pars_vertex>
2127#include <logdepthbuf_pars_vertex>
2128#include <clipping_planes_pars_vertex>
2129void main() {
2130	vLineDistance = scale * lineDistance;
2131	#include <color_vertex>
2132	#include <morphcolor_vertex>
2133	#include <begin_vertex>
2134	#include <morphtarget_vertex>
2135	#include <project_vertex>
2136	#include <logdepthbuf_vertex>
2137	#include <clipping_planes_vertex>
2138	#include <fog_vertex>
2139}`,linedashed_frag:`uniform vec3 diffuse;
2140uniform float opacity;
2141uniform float dashSize;
2142uniform float totalSize;
2143varying float vLineDistance;
2144#include <common>
2145#include <color_pars_fragment>
2146#include <fog_pars_fragment>
2147#include <logdepthbuf_pars_fragment>
2148#include <clipping_planes_pars_fragment>
2149void main() {
2150	#include <clipping_planes_fragment>
2151	if ( mod( vLineDistance, totalSize ) > dashSize ) {
2152		discard;
2153	}
2154	vec3 outgoingLight = vec3( 0.0 );
2155	vec4 diffuseColor = vec4( diffuse, opacity );
2156	#include <logdepthbuf_fragment>
2157	#include <color_fragment>
2158	outgoingLight = diffuseColor.rgb;
2159	#include <output_fragment>
2160	#include <tonemapping_fragment>
2161	#include <encodings_fragment>
2162	#include <fog_fragment>
2163	#include <premultiplied_alpha_fragment>
2164}`,meshbasic_vert:`#include <common>
2165#include <uv_pars_vertex>
2166#include <uv2_pars_vertex>
2167#include <envmap_pars_vertex>
2168#include <color_pars_vertex>
2169#include <fog_pars_vertex>
2170#include <morphtarget_pars_vertex>
2171#include <skinning_pars_vertex>
2172#include <logdepthbuf_pars_vertex>
2173#include <clipping_planes_pars_vertex>
2174void main() {
2175	#include <uv_vertex>
2176	#include <uv2_vertex>
2177	#include <color_vertex>
2178	#include <morphcolor_vertex>
2179	#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )
2180		#include <beginnormal_vertex>
2181		#include <morphnormal_vertex>
2182		#include <skinbase_vertex>
2183		#include <skinnormal_vertex>
2184		#include <defaultnormal_vertex>
2185	#endif
2186	#include <begin_vertex>
2187	#include <morphtarget_vertex>
2188	#include <skinning_vertex>
2189	#include <project_vertex>
2190	#include <logdepthbuf_vertex>
2191	#include <clipping_planes_vertex>
2192	#include <worldpos_vertex>
2193	#include <envmap_vertex>
2194	#include <fog_vertex>
2195}`,meshbasic_frag:`uniform vec3 diffuse;
2196uniform float opacity;
2197#ifndef FLAT_SHADED
2198	varying vec3 vNormal;
2199#endif
2200#include <common>
2201#include <dithering_pars_fragment>
2202#include <color_pars_fragment>
2203#include <uv_pars_fragment>
2204#include <uv2_pars_fragment>
2205#include <map_pars_fragment>
2206#include <alphamap_pars_fragment>
2207#include <alphatest_pars_fragment>
2208#include <aomap_pars_fragment>
2209#include <lightmap_pars_fragment>
2210#include <envmap_common_pars_fragment>
2211#include <envmap_pars_fragment>
2212#include <fog_pars_fragment>
2213#include <specularmap_pars_fragment>
2214#include <logdepthbuf_pars_fragment>
2215#include <clipping_planes_pars_fragment>
2216void main() {
2217	#include <clipping_planes_fragment>
2218	vec4 diffuseColor = vec4( diffuse, opacity );
2219	#include <logdepthbuf_fragment>
2220	#include <map_fragment>
2221	#include <color_fragment>
2222	#include <alphamap_fragment>
2223	#include <alphatest_fragment>
2224	#include <specularmap_fragment>
2225	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );
2226	#ifdef USE_LIGHTMAP
2227		vec4 lightMapTexel = texture2D( lightMap, vUv2 );
2228		reflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;
2229	#else
2230		reflectedLight.indirectDiffuse += vec3( 1.0 );
2231	#endif
2232	#include <aomap_fragment>
2233	reflectedLight.indirectDiffuse *= diffuseColor.rgb;
2234	vec3 outgoingLight = reflectedLight.indirectDiffuse;
2235	#include <envmap_fragment>
2236	#include <output_fragment>
2237	#include <tonemapping_fragment>
2238	#include <encodings_fragment>
2239	#include <fog_fragment>
2240	#include <premultiplied_alpha_fragment>
2241	#include <dithering_fragment>
2242}`,meshlambert_vert:`#define LAMBERT
2243varying vec3 vViewPosition;
2244#include <common>
2245#include <uv_pars_vertex>
2246#include <uv2_pars_vertex>
2247#include <displacementmap_pars_vertex>
2248#include <envmap_pars_vertex>
2249#include <color_pars_vertex>
2250#include <fog_pars_vertex>
2251#include <normal_pars_vertex>
2252#include <morphtarget_pars_vertex>
2253#include <skinning_pars_vertex>
2254#include <shadowmap_pars_vertex>
2255#include <logdepthbuf_pars_vertex>
2256#include <clipping_planes_pars_vertex>
2257void main() {
2258	#include <uv_vertex>
2259	#include <uv2_vertex>
2260	#include <color_vertex>
2261	#include <morphcolor_vertex>
2262	#include <beginnormal_vertex>
2263	#include <morphnormal_vertex>
2264	#include <skinbase_vertex>
2265	#include <skinnormal_vertex>
2266	#include <defaultnormal_vertex>
2267	#include <normal_vertex>
2268	#include <begin_vertex>
2269	#include <morphtarget_vertex>
2270	#include <skinning_vertex>
2271	#include <displacementmap_vertex>
2272	#include <project_vertex>
2273	#include <logdepthbuf_vertex>
2274	#include <clipping_planes_vertex>
2275	vViewPosition = - mvPosition.xyz;
2276	#include <worldpos_vertex>
2277	#include <envmap_vertex>
2278	#include <shadowmap_vertex>
2279	#include <fog_vertex>
2280}`,meshlambert_frag:`#define LAMBERT
2281uniform vec3 diffuse;
2282uniform vec3 emissive;
2283uniform float opacity;
2284#include <common>
2285#include <packing>
2286#include <dithering_pars_fragment>
2287#include <color_pars_fragment>
2288#include <uv_pars_fragment>
2289#include <uv2_pars_fragment>
2290#include <map_pars_fragment>
2291#include <alphamap_pars_fragment>
2292#include <alphatest_pars_fragment>
2293#include <aomap_pars_fragment>
2294#include <lightmap_pars_fragment>
2295#include <emissivemap_pars_fragment>
2296#include <envmap_common_pars_fragment>
2297#include <envmap_pars_fragment>
2298#include <fog_pars_fragment>
2299#include <bsdfs>
2300#include <lights_pars_begin>
2301#include <normal_pars_fragment>
2302#include <lights_lambert_pars_fragment>
2303#include <shadowmap_pars_fragment>
2304#include <bumpmap_pars_fragment>
2305#include <normalmap_pars_fragment>
2306#include <specularmap_pars_fragment>
2307#include <logdepthbuf_pars_fragment>
2308#include <clipping_planes_pars_fragment>
2309void main() {
2310	#include <clipping_planes_fragment>
2311	vec4 diffuseColor = vec4( diffuse, opacity );
2312	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );
2313	vec3 totalEmissiveRadiance = emissive;
2314	#include <logdepthbuf_fragment>
2315	#include <map_fragment>
2316	#include <color_fragment>
2317	#include <alphamap_fragment>
2318	#include <alphatest_fragment>
2319	#include <specularmap_fragment>
2320	#include <normal_fragment_begin>
2321	#include <normal_fragment_maps>
2322	#include <emissivemap_fragment>
2323	#include <lights_lambert_fragment>
2324	#include <lights_fragment_begin>
2325	#include <lights_fragment_maps>
2326	#include <lights_fragment_end>
2327	#include <aomap_fragment>
2328	vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;
2329	#include <envmap_fragment>
2330	#include <output_fragment>
2331	#include <tonemapping_fragment>
2332	#include <encodings_fragment>
2333	#include <fog_fragment>
2334	#include <premultiplied_alpha_fragment>
2335	#include <dithering_fragment>
2336}`,meshmatcap_vert:`#define MATCAP
2337varying vec3 vViewPosition;
2338#include <common>
2339#include <uv_pars_vertex>
2340#include <color_pars_vertex>
2341#include <displacementmap_pars_vertex>
2342#include <fog_pars_vertex>
2343#include <normal_pars_vertex>
2344#include <morphtarget_pars_vertex>
2345#include <skinning_pars_vertex>
2346#include <logdepthbuf_pars_vertex>
2347#include <clipping_planes_pars_vertex>
2348void main() {
2349	#include <uv_vertex>
2350	#include <color_vertex>
2351	#include <morphcolor_vertex>
2352	#include <beginnormal_vertex>
2353	#include <morphnormal_vertex>
2354	#include <skinbase_vertex>
2355	#include <skinnormal_vertex>
2356	#include <defaultnormal_vertex>
2357	#include <normal_vertex>
2358	#include <begin_vertex>
2359	#include <morphtarget_vertex>
2360	#include <skinning_vertex>
2361	#include <displacementmap_vertex>
2362	#include <project_vertex>
2363	#include <logdepthbuf_vertex>
2364	#include <clipping_planes_vertex>
2365	#include <fog_vertex>
2366	vViewPosition = - mvPosition.xyz;
2367}`,meshmatcap_frag:`#define MATCAP
2368uniform vec3 diffuse;
2369uniform float opacity;
2370uniform sampler2D matcap;
2371varying vec3 vViewPosition;
2372#include <common>
2373#include <dithering_pars_fragment>
2374#include <color_pars_fragment>
2375#include <uv_pars_fragment>
2376#include <map_pars_fragment>
2377#include <alphamap_pars_fragment>
2378#include <alphatest_pars_fragment>
2379#include <fog_pars_fragment>
2380#include <normal_pars_fragment>
2381#include <bumpmap_pars_fragment>
2382#include <normalmap_pars_fragment>
2383#include <logdepthbuf_pars_fragment>
2384#include <clipping_planes_pars_fragment>
2385void main() {
2386	#include <clipping_planes_fragment>
2387	vec4 diffuseColor = vec4( diffuse, opacity );
2388	#include <logdepthbuf_fragment>
2389	#include <map_fragment>
2390	#include <color_fragment>
2391	#include <alphamap_fragment>
2392	#include <alphatest_fragment>
2393	#include <normal_fragment_begin>
2394	#include <normal_fragment_maps>
2395	vec3 viewDir = normalize( vViewPosition );
2396	vec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );
2397	vec3 y = cross( viewDir, x );
2398	vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;
2399	#ifdef USE_MATCAP

2400		vec4 matcapColor = texture2D( matcap, uv );
2401	#else
2402		vec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );
2403	#endif
2404	vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;
2405	#include <output_fragment>
2406	#include <tonemapping_fragment>
2407	#include <encodings_fragment>
2408	#include <fog_fragment>
2409	#include <premultiplied_alpha_fragment>
2410	#include <dithering_fragment>
2411}`,meshnormal_vert:`#define NORMAL
2412#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
2413	varying vec3 vViewPosition;
2414#endif
2415#include <common>
2416#include <uv_pars_vertex>
2417#include <displacementmap_pars_vertex>
2418#include <normal_pars_vertex>
2419#include <morphtarget_pars_vertex>
2420#include <skinning_pars_vertex>
2421#include <logdepthbuf_pars_vertex>
2422#include <clipping_planes_pars_vertex>
2423void main() {
2424	#include <uv_vertex>
2425	#include <beginnormal_vertex>
2426	#include <morphnormal_vertex>
2427	#include <skinbase_vertex>
2428	#include <skinnormal_vertex>
2429	#include <defaultnormal_vertex>
2430	#include <normal_vertex>
2431	#include <begin_vertex>
2432	#include <morphtarget_vertex>
2433	#include <skinning_vertex>
2434	#include <displacementmap_vertex>
2435	#include <project_vertex>
2436	#include <logdepthbuf_vertex>
2437	#include <clipping_planes_vertex>
2438#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
2439	vViewPosition = - mvPosition.xyz;
2440#endif
2441}`,meshnormal_frag:`#define NORMAL
2442uniform float opacity;
2443#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
2444	varying vec3 vViewPosition;
2445#endif
2446#include <packing>
2447#include <uv_pars_fragment>
2448#include <normal_pars_fragment>
2449#include <bumpmap_pars_fragment>
2450#include <normalmap_pars_fragment>
2451#include <logdepthbuf_pars_fragment>
2452#include <clipping_planes_pars_fragment>
2453void main() {
2454	#include <clipping_planes_fragment>
2455	#include <logdepthbuf_fragment>
2456	#include <normal_fragment_begin>
2457	#include <normal_fragment_maps>
2458	gl_FragColor = vec4( packNormalToRGB( normal ), opacity );
2459	#ifdef OPAQUE
2460		gl_FragColor.a = 1.0;
2461	#endif
2462}`,meshphong_vert:`#define PHONG
2463varying vec3 vViewPosition;
2464#include <common>
2465#include <uv_pars_vertex>
2466#include <uv2_pars_vertex>
2467#include <displacementmap_pars_vertex>
2468#include <envmap_pars_vertex>
2469#include <color_pars_vertex>
2470#include <fog_pars_vertex>
2471#include <normal_pars_vertex>
2472#include <morphtarget_pars_vertex>
2473#include <skinning_pars_vertex>
2474#include <shadowmap_pars_vertex>
2475#include <logdepthbuf_pars_vertex>
2476#include <clipping_planes_pars_vertex>
2477void main() {
2478	#include <uv_vertex>
2479	#include <uv2_vertex>
2480	#include <color_vertex>
2481	#include <morphcolor_vertex>
2482	#include <beginnormal_vertex>
2483	#include <morphnormal_vertex>
2484	#include <skinbase_vertex>
2485	#include <skinnormal_vertex>
2486	#include <defaultnormal_vertex>
2487	#include <normal_vertex>
2488	#include <begin_vertex>
2489	#include <morphtarget_vertex>
2490	#include <skinning_vertex>
2491	#include <displacementmap_vertex>
2492	#include <project_vertex>
2493	#include <logdepthbuf_vertex>
2494	#include <clipping_planes_vertex>
2495	vViewPosition = - mvPosition.xyz;
2496	#include <worldpos_vertex>
2497	#include <envmap_vertex>
2498	#include <shadowmap_vertex>
2499	#include <fog_vertex>
2500}`,meshphong_frag:`#define PHONG
2501uniform vec3 diffuse;
2502uniform vec3 emissive;
2503uniform vec3 specular;
2504uniform float shininess;
2505uniform float opacity;
2506#include <common>
2507#include <packing>
2508#include <dithering_pars_fragment>
2509#include <color_pars_fragment>
2510#include <uv_pars_fragment>
2511#include <uv2_pars_fragment>
2512#include <map_pars_fragment>
2513#include <alphamap_pars_fragment>
2514#include <alphatest_pars_fragment>
2515#include <aomap_pars_fragment>
2516#include <lightmap_pars_fragment>
2517#include <emissivemap_pars_fragment>
2518#include <envmap_common_pars_fragment>
2519#include <envmap_pars_fragment>
2520#include <fog_pars_fragment>
2521#include <bsdfs>
2522#include <lights_pars_begin>
2523#include <normal_pars_fragment>
2524#include <lights_phong_pars_fragment>
2525#include <shadowmap_pars_fragment>
2526#include <bumpmap_pars_fragment>
2527#include <normalmap_pars_fragment>
2528#include <specularmap_pars_fragment>
2529#include <logdepthbuf_pars_fragment>
2530#include <clipping_planes_pars_fragment>
2531void main() {
2532	#include <clipping_planes_fragment>
2533	vec4 diffuseColor = vec4( diffuse, opacity );
2534	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );
2535	vec3 totalEmissiveRadiance = emissive;
2536	#include <logdepthbuf_fragment>
2537	#include <map_fragment>
2538	#include <color_fragment>
2539	#include <alphamap_fragment>
2540	#include <alphatest_fragment>
2541	#include <specularmap_fragment>
2542	#include <normal_fragment_begin>
2543	#include <normal_fragment_maps>
2544	#include <emissivemap_fragment>
2545	#include <lights_phong_fragment>
2546	#include <lights_fragment_begin>
2547	#include <lights_fragment_maps>
2548	#include <lights_fragment_end>
2549	#include <aomap_fragment>
2550	vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;
2551	#include <envmap_fragment>
2552	#include <output_fragment>
2553	#include <tonemapping_fragment>
2554	#include <encodings_fragment>
2555	#include <fog_fragment>
2556	#include <premultiplied_alpha_fragment>
2557	#include <dithering_fragment>
2558}`,meshphysical_vert:`#define STANDARD
2559varying vec3 vViewPosition;
2560#ifdef USE_TRANSMISSION
2561	varying vec3 vWorldPosition;
2562#endif
2563#include <common>
2564#include <uv_pars_vertex>
2565#include <uv2_pars_vertex>
2566#include <displacementmap_pars_vertex>
2567#include <color_pars_vertex>
2568#include <fog_pars_vertex>
2569#include <normal_pars_vertex>
2570#include <morphtarget_pars_vertex>
2571#include <skinning_pars_vertex>
2572#include <shadowmap_pars_vertex>
2573#include <logdepthbuf_pars_vertex>
2574#include <clipping_planes_pars_vertex>
2575void main() {
2576	#include <uv_vertex>
2577	#include <uv2_vertex>
2578	#include <color_vertex>
2579	#include <morphcolor_vertex>
2580	#include <beginnormal_vertex>
2581	#include <morphnormal_vertex>
2582	#include <skinbase_vertex>
2583	#include <skinnormal_vertex>
2584	#include <defaultnormal_vertex>
2585	#include <normal_vertex>
2586	#include <begin_vertex>
2587	#include <morphtarget_vertex>
2588	#include <skinning_vertex>
2589	#include <displacementmap_vertex>
2590	#include <project_vertex>
2591	#include <logdepthbuf_vertex>
2592	#include <clipping_planes_vertex>
2593	vViewPosition = - mvPosition.xyz;
2594	#include <worldpos_vertex>
2595	#include <shadowmap_vertex>
2596	#include <fog_vertex>
2597#ifdef USE_TRANSMISSION
2598	vWorldPosition = worldPosition.xyz;
2599#endif
2600}`,meshphysical_frag:`#define STANDARD
2601#ifdef PHYSICAL
2602	#define IOR
2603	#define SPECULAR
2604#endif
2605uniform vec3 diffuse;
2606uniform vec3 emissive;
2607uniform float roughness;
2608uniform float metalness;
2609uniform float opacity;
2610#ifdef IOR
2611	uniform float ior;
2612#endif
2613#ifdef SPECULAR
2614	uniform float specularIntensity;
2615	uniform vec3 specularColor;
2616	#ifdef USE_SPECULARINTENSITYMAP
2617		uniform sampler2D specularIntensityMap;
2618	#endif
2619	#ifdef USE_SPECULARCOLORMAP
2620		uniform sampler2D specularColorMap;
2621	#endif
2622#endif
2623#ifdef USE_CLEARCOAT
2624	uniform float clearcoat;
2625	uniform float clearcoatRoughness;
2626#endif