https://ryman.ai/assets/react-spline-DYWPTwJD.js

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gm(e,t,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?e+(t-e)*6*i:i<1/2?t:i<2/3?e+(t-e)*6*(2/3-i):e}function zd(e,t){return t.r=e.r,t.g=e.g,t.b=e.b,t}var $e=class{constructor(e,t,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,t===void 0&&i===void 0?this.set(e):this.setRGB(e,t,i)}set(e){return e&&e.isColor?this.copy(e):typeof e=="number"?this.setHex(e):typeof e=="string"&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=ra){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,wr.toWorkingColorSpace(this,t),this}setRGB(e,t,i,r=wr.workingColorSpace){return this.r=e,this.g=t,this.b=i,wr.toWorkingColorSpace(this,r),this}setHSL(e,t,i,r=wr.workingColorSpace){if(e=yy(e,1),t=_i(t,0,1),i=_i(i,0,1),t===0)this.r=this.g=this.b=i;else{let s=i<=.5?i*(1+t):i+t-i*t,a=2*i-s;this.r=gm(a,s,e+1/3),this.g=gm(a,s,e),this.b=gm(a,s,e-1/3)}return wr.toWorkingColorSpace(this,r),this}setStyle(e,t=ra){function i(s){s!==void 0&&parseFloat(s)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let r;if(r=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let s,a=r[1],n=r[2];switch(a){case"rgb":case"rgba":if(s=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(n))return this.r=Math.min(255,parseInt(s[1],10))/255,this.g=Math.min(255,parseInt(s[2],10))/255,this.b=Math.min(255,parseInt(s[3],10))/255,wr.toWorkingColorSpace(this,t),i(s[4]),this;if(s=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(n))return this.r=Math.min(100,parseInt(s[1],10))/100,this.g=Math.min(100,parseInt(s[2],10))/100,this.b=Math.min(100,parseInt(s[3],10))/100,wr.toWorkingColorSpace(this,t),i(s[4]),this;break;case"hsl":case"hsla":if(s=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(n)){let o=parseFloat(s[1])/360,l=parseFloat(s[2])/100,h=parseFloat(s[3])/100;return i(s[4]),this.setHSL(o,l,h,t)}break}}else if(r=/^\#([A-Fa-f\d]+)$/.exec(e)){let s=r[1],a=s.length;if(a===3)return this.r=parseInt(s.charAt(0)+s.charAt(0),16)/255,this.g=parseInt(s.charAt(1)+s.charAt(1),16)/255,this.b=parseInt(s.charAt(2)+s.charAt(2),16)/255,wr.toWorkingColorSpace(this,t),this;if(a===6)return this.r=parseInt(s.charAt(0)+s.charAt(1),16)/255,this.g=parseInt(s.charAt(2)+s.charAt(3),16)/255,this.b=parseInt(s.charAt(4)+s.charAt(5),16)/255,wr.toWorkingColorSpace(this,t),this}return e&&e.length>0?this.setColorName(e,t):this}setColorName(e,t=ra){let i=CM[e.toLowerCase()];return i!==void 0?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=Fo(e.r),this.g=Fo(e.g),this.b=Fo(e.b),this}copyLinearToSRGB(e){return this.r=ap(e.r),this.g=ap(e.g),this.b=ap(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=ra){return wr.fromWorkingColorSpace(zd(this,Ii),e),_i(Ii.r*255,0,255)<<16^_i(Ii.g*255,0,255)<<8^_i(Ii.b*255,0,255)<<0}getHexString(e=ra){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=wr.workingColorSpace){wr.fromWorkingColorSpace(zd(this,Ii),t);let i=Ii.r,r=Ii.g,s=Ii.b,a=Math.max(i,r,s),n=Math.min(i,r,s),o,l,h=(n+a)/2;if(n===a)o=0,l=0;else{let c=a-n;switch(l=h<=.5?c/(a+n):c/(2-a-n),a){case i:o=(r-s)/c+(r<s?6:0);break;case r:o=(s-i)/c+2;break;case s:o=(i-r)/c+4;break}o/=6}return e.h=o,e.s=l,e.l=h,e}getRGB(e,t=wr.workingColorSpace){return wr.fromWorkingColorSpace(zd(this,Ii),t),e.r=Ii.r,e.g=Ii.g,e.b=Ii.b,e}getStyle(e=ra){return wr.fromWorkingColorSpace(zd(this,Ii),e),e!==ra?`color(${e} ${Ii.r} ${Ii.g} ${Ii.b})`:`rgb(${Ii.r*255|0},${Ii.g*255|0},${Ii.b*255|0})`}offsetHSL(e,t,i){return this.getHSL(ys),ys.h+=e,ys.s+=t,ys.l+=i,this.setHSL(ys.h,ys.s,ys.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(ys),e.getHSL(Bd);let i=Dc(ys.h,Bd.h,t),r=Dc(ys.s,Bd.s,t),s=Dc(ys.l,Bd.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}};$e.NAMES=CM;var rl,TM=class{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{rl===void 0&&(rl=qc("canvas")),rl.width=e.width,rl.height=e.height;let i=rl.getContext("2d");e instanceof ImageData?i.putImageData(e,0,0):i.drawImage(e,0,0,e.width,e.height),t=rl}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(typeof HTMLImageElement<"u"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&e instanceof ImageBitmap){let t=qc("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 a=0;a<s.length;a++)s[a]=Fo(s[a]/255)*255;return i.putImageData(r,0,0),t}else if(e.data){let t=e.data.slice(0);for(let i=0;i<t.length;i++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[i]=Math.floor(Fo(t[i]/255)*255):t[i]=Fo(t[i]);return{data:t,width:e.width,height:e.height}}else return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}},PM=class{constructor(e=null){this.isSource=!0,this.uuid=ds(),this.data=e,this.version=0}set needsUpdate(e){e===!0&&this.version++}toJSON(e){let t=e===void 0||typeof e=="string";if(!t&&e.images[this.uuid]!==void 0)return e.images[this.uuid];let i={uuid:this.uuid,url:""},r=this.data;if(r!==null){let s;if(Array.isArray(r)){s=[];for(let a=0,n=r.length;a<n;a++)r[a].isDataTexture?s.push(vm(r[a].image)):s.push(vm(r[a]))}else s=vm(r);i.url=s}return t||(e.images[this.uuid]=i),i}};function vm(e){return typeof HTMLImageElement<"u"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&e instanceof ImageBitmap?TM.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 GD=0,oi=class extends ur{constructor(e=oi.DEFAULT_IMAGE,t=oi.DEFAULT_MAPPING,i=ii,r=ii,s=yt,a=ch,n=ri,o=xr,l=oi.DEFAULT_ANISOTROPY,h=Fs){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:GD++}),this.uuid=ds(),this.name="",this.source=new PM(e),this.mipmaps=[],this.mapping=t,this.wrapS=i,this.wrapT=r,this.magFilter=s,this.minFilter=a,this.anisotropy=l,this.format=n,this.internalFormat=null,this.type=o,this.offset=new j(0,0),this.repeat=new j(1,

31),this.center=new j(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Mi,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=h,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=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)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(this.mapping!==xM)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case Ya:e.x=e.x-Math.floor(e.x);break;case ii:e.x=e.x<0?0:1;break;case mv:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case Ya:e.y=e.y-Math.floor(e.y);break;case ii:e.y=e.y<0?0:1;break;case mv:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){e===!0&&(this.version++,this.source.needsUpdate=!0)}};oi.DEFAULT_IMAGE=null;oi.DEFAULT_MAPPING=xM;oi.DEFAULT_ANISOTROPY=1;var ht=class{constructor(e=0,t=0,i=0,r=1){ht.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 new 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 new 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=e.w!==void 0?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}sub(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,n=a[0],o=a[4],l=a[8],h=a[1],c=a[5],d=a[9],u=a[2],p=a[6],f=a[10];if(Math.abs(o-h)<.01&&Math.abs(l-u)<.01&&Math.abs(d-p)<.01){if(Math.abs(o+h)<.1&&Math.abs(l+u)<.1&&Math.abs(d+p)<.1&&Math.abs(n+c+f-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;let m=(n+1)/2,v=(c+1)/2,y=(f+1)/2,x=(o+h)/4,w=(l+u)/4,S=(d+p)/4;return m>v&&m>y?m<.01?(i=0,r=.707106781,s=.707106781):(i=Math.sqrt(m),r=x/i,s=w/i):v>y?v<.01?(i=.707106781,r=0,s=.707106781):(r=Math.sqrt(v),i=x/r,s=S/r):y<.01?(i=.707106781,r=.707106781,s=0):(s=Math.sqrt(y),i=w/s,r=S/s),this.set(i,r,s,t),this}let g=Math.sqrt((p-d)*(p-d)+(l-u)*(l-u)+(h-o)*(h-o));return Math.abs(g)<.001&&(g=1),this.x=(p-d)/g,this.y=(l-u)/g,this.z=(h-o)/g,this.w=Math.acos((n+c+f-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 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oi{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=wt,this.minFilter=wt,this.wrapR=ii,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},HD=class extends oi{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=wt,this.minFilter=wt,this.wrapR=ii,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},IM=class extends Tt{constructor(e=1,t=1,i=1,r={}){super(e,t,r),this.isWebGLMultipleRenderTargets=!0;let s=this.texture;this.texture=[];for(let a=0;a<i;a++)this.texture[a]=s.clone(),this.texture[a].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 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2:this.z=t;break;default:throw new 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;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=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}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=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}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(Dx.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(Dx.setFromAxisAngle(e,t))}applyMatrix3(e){let t=this.x,i=this.y,r=this.z,s=e.elements;return this.x=s[0]*t+s[3]*i+s[6]*r,this.y=s[1]*t+s[4]*i+s[7]*r,this.z=s[2]*t+s[5]*i+s[8]*r,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){let t=this.x,i=this.y,r=this.z,s=e.elements,a=1/(s[3]*t+s[7]*i+s[11]*r+s[15]);return this.x=(s[0]*t+s[4]*i+s[8]*r+s[12])*a,this.y=(s[1]*t+s[5]*i+s[9]*r+s[13])*a,this.z=(s[2]*t+s[6]*i+s[10]*r+s[14])*a,this}

3applyQuaternion(e){let t=this.x,i=this.y,r=this.z,s=e.x,a=e.y,n=e.z,o=e.w,l=o*t+a*r-n*i,h=o*i+n*t-s*r,c=o*r+s*i-a*t,d=-s*t-a*i-n*r;return this.x=l*o+d*-s+h*-n-c*-a,this.y=h*o+d*-a+c*-s-l*-n,this.z=c*o+d*-n+l*-a-h*-s,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){let t=this.x,i=this.y,r=this.z,s=e.elements;return this.x=s[0]*t+s[4]*i+s[8]*r,this.y=s[1]*t+s[5]*i+s[9]*r,this.z=s[2]*t+s[6]*i+s[10]*r,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}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}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}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}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}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}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=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}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(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}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}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){let i=e.x,r=e.y,s=e.z,a=t.x,n=t.y,o=t.z;return this.x=r*o-s*n,this.y=s*a-i*o,this.z=i*n-r*a,this}projectOnVector(e){let t=e.lengthSq();if(t===0)return this.set(0,0,0);let i=e.dot(this)/t;return this.copy(e).multiplyScalar(i)}projectOnPlane(e){return ym.copy(this).projectOnVector(e),this.sub(ym)}reflect(e){return this.sub(ym.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let i=this.dot(e)/t;return Math.acos(_i(i,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,i=this.y-e.y,r=this.z-e.z;return t*t+i*i+r*r}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,i){let r=Math.sin(t)*e;return this.x=r*Math.sin(i),this.y=Math.cos(t)*e,this.z=r*Math.cos(i),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,i){return this.x=e*Math.sin(t),this.y=i,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),i=this.setFromMatrixColumn(e,1).length(),r=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=i,this.z=r,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=(Math.random()-.5)*2,t=Math.random()*Math.PI*2,i=Math.sqrt(1-e**2);return this.x=i*Math.cos(t),this.y=i*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}},ym=new M,Dx=new ot,xi=class{constructor(e=new M(1/0,1/0,1/0),t=new M(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){let t=1/0,i=1/0,r=1/0,s=-1/0,a=-1/0,n=-1/0;for(let o=0,l=e.length;o<l;o+=3){let h=e[o],c=e[o+1],d=e[o+2];h<t&&(t=h),c<i&&(i=c),d<r&&(r=d),h>s&&(s=h),c>a&&(a=c),d>n&&(n=d)}return this.min.set(t,i,r),this.max.set(s,a,n),this}setFromBufferAttribute(e){let t=1/0,i=1/0,r=1/0,s=-1/0,a=-1/0,n=-1/0;for(let o=0,l=e.count;o<l;o++){let h=e.getX(o),c=e.getY(o),d=e.getZ(o);h<t&&(t=h),c<i&&(i=c),d<r&&(r=d),h>s&&(s=h),c>a&&(a=c),d>n&&(n=d)}return this.min.set(t,i,r),this.max.set(s,a,n),this}setFromPoints(e){this.makeEmpty();for(let t=0,i=e.length;t<i;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){let i=ao.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(i),this.max.copy(e).add(i),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(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(i!==void 0)if(t&&i.attributes!=null&&i.attributes.position!==void 0){let s=i.attributes.position;for(let a=0,n=s.count;a<n;a++)ao.fromBufferAttribute(s,a).applyMatrix4(e.matrixWorld),this.expandByPoint(ao)}else i.boundingBox===null&&i.computeBoundingBox(),xm.copy(i.boundingBox),xm.applyMatrix4(e.matrixWorld),this.union(xm);let r=e.children;for(let s=0,a=r.length;s<a;s++)this.expandByObject(r[s],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,ao),ao.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(Gh),Fd.subVectors(this.max,Gh),sl.subVectors(e.a,Gh),al.subVectors(e.b,Gh),nl.subVectors(e.c,Gh),un.subVectors(al,sl),pn.subVectors(nl,al),no.subVectors(sl,nl);let t=[0,-un.z,un.y,0,-pn.z,pn.y,0,-no.z,no.y,un.z,0,-un.x,pn.z,0,-pn.x,no.z,0,-no.x,-un.y,un.x,0,-pn.y,pn.x,0,-no.y,no.x,0];return!bm(t,sl,al,nl,Fd)||(t=[1,0,0,0,1,0,0,0,1],!bm(t,sl,al,nl,Fd))?!1:(kd.crossVectors(un,pn),t=[kd.x,kd.y,kd.z],bm(t,sl,al,nl,Fd))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return ao.copy(e).clamp(this.min,this.max).sub(e).length()}getBoundingSphere(e){return this.getCenter(e.center),e.radius=this.getSize(ao).length()*.5,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()?this:(Ea[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Ea[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Ea[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Ea[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Ea[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Ea[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Ea[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Ea[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Ea),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)}},Ea=[new M,new M,new M,new M,new M,new M,new M,new M],ao=new M,xm=new xi,sl=new M,al=new M,nl=new M,un=new M,pn=new M,no=new M,Gh=new M,Fd=new M,kd=new M,oo=new M;function bm(e,t,i,r,s){for(let a=0,n=e.length-3;a<=n;a+=3){oo.fromArray(e,a);let o=s.x*Math.abs(oo.x)+s.y*Math.abs(oo.y)+s.z*Math.abs(oo.z),l=t.dot(oo),h=i.dot(oo),c=r.dot(oo);if(Math.max(-Math.max(l,h,c),Math.min(l,h,c))>o)return!1}return!0}var WD=new xi,Hh=new M,wm=new M,Hr=class{constructor(e=new M,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;t!==void 0?i.copy(t):WD.setFromPoints(e).getCenter(i);let r=0;for(let s=0,a=e.length;s<a;s++)r=Math.max(r,i.distanceToSquared(e[s]));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):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}

3applyMatrix4(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;Hh.subVectors(e,this.center);let t=Hh.lengthSq();if(t>this.radius*this.radius){let i=Math.sqrt(t),r=(i-this.radius)*.5;this.center.addScaledVector(Hh,r/i),this.radius+=r}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(wm.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(Hh.copy(e.center).add(wm)),this.expandByPoint(Hh.copy(e.center).sub(wm))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}},Ca=new M,Sm=new M,Ud=new M,fn=new M,_m=new M,Nd=new M,Am=new M,Eh=class{constructor(e=new M,t=new M(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,Ca)),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=Ca.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Ca.copy(this.direction).multiplyScalar(t).add(this.origin),Ca.distanceToSquared(e))}distanceSqToSegment(e,t,i,r){Sm.copy(e).add(t).multiplyScalar(.5),Ud.copy(t).sub(e).normalize(),fn.copy(this.origin).sub(Sm);let s=e.distanceTo(t)*.5,a=-this.direction.dot(Ud),n=fn.dot(this.direction),o=-fn.dot(Ud),l=fn.lengthSq(),h=Math.abs(1-a*a),c,d,u,p;if(h>0)if(c=a*o-n,d=a*n-o,p=s*h,c>=0)if(d>=-p)if(d<=p){let f=1/h;c*=f,d*=f,u=c*(c+a*d+2*n)+d*(a*c+d+2*o)+l}else d=s,c=Math.max(0,-(a*d+n)),u=-c*c+d*(d+2*o)+l;else d=-s,c=Math.max(0,-(a*d+n)),u=-c*c+d*(d+2*o)+l;else d<=-p?(c=Math.max(0,-(-a*s+n)),d=c>0?-s:Math.min(Math.max(-s,-o),s),u=-c*c+d*(d+2*o)+l):d<=p?(c=0,d=Math.min(Math.max(-s,-o),s),u=d*(d+2*o)+l):(c=Math.max(0,-(a*s+n)),d=c>0?s:Math.min(Math.max(-s,-o),s),u=-c*c+d*(d+2*o)+l);else d=a>0?-s:s,c=Math.max(0,-(a*d+n)),u=-c*c+d*(d+2*o)+l;return i&&i.copy(this.direction).multiplyScalar(c).add(this.origin),r&&r.copy(Ud).multiplyScalar(d).add(Sm),u}intersectSphere(e,t){Ca.subVectors(e.center,this.origin);let i=Ca.dot(this.direction),r=Ca.dot(Ca)-i*i,s=e.radius*e.radius;if(r>s)return null;let a=Math.sqrt(s-r),n=i-a,o=i+a;return n<0&&o<0?null:n<0?this.at(o,t):this.at(n,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?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 i===null?null:this.at(i,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let i,r,s,a,n,o,l=1/this.direction.x,h=1/this.direction.y,c=1/this.direction.z,d=this.origin;return l>=0?(i=(e.min.x-d.x)*l,r=(e.max.x-d.x)*l):(i=(e.max.x-d.x)*l,r=(e.min.x-d.x)*l),h>=0?(s=(e.min.y-d.y)*h,a=(e.max.y-d.y)*h):(s=(e.max.y-d.y)*h,a=(e.min.y-d.y)*h),i>a||s>r||((s>i||isNaN(i))&&(i=s),(a<r||isNaN(r))&&(r=a),c>=0?(n=(e.min.z-d.z)*c,o=(e.max.z-d.z)*c):(n=(e.max.z-d.z)*c,o=(e.min.z-d.z)*c),i>o||n>r)||((n>i||i!==i)&&(i=n),(o<r||r!==r)&&(r=o),r<0)?null:this.at(i>=0?i:r,t)}intersectsBox(e){return this.intersectBox(e,Ca)!==null}intersectTriangle(e,t,i,r,s){_m.subVectors(t,e),Nd.subVectors(i,e),Am.crossVectors(_m,Nd);let a=this.direction.dot(Am),n;if(a>0){if(r)return null;n=1}else if(a<0)n=-1,a=-a;else return null;fn.subVectors(this.origin,e);let o=n*this.direction.dot(Nd.crossVectors(fn,Nd));if(o<0)return null;let l=n*this.direction.dot(_m.cross(fn));if(l<0||o+l>a)return null;let h=-n*fn.dot(Am);return h<0?null:this.at(h/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)}},be=class{constructor(){be.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,n,o,l,h,c,d,u,p,f,g){let m=this.elements;return m[0]=e,m[4]=t,m[8]=i,m[12]=r,m[1]=s,m[5]=a,m[9]=n,m[13]=o,m[2]=l,m[6]=h,m[10]=c,m[14]=d,m[3]=u,m[7]=p,m[11]=f,m[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 be().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/ol.setFromMatrixColumn(e,0).length(),s=1/ol.setFromMatrixColumn(e,1).length(),a=1/ol.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),n=Math.sin(i),o=Math.cos(r),l=Math.sin(r),h=Math.cos(s),c=Math.sin(s);if(e.order==="XYZ"){let d=a*h,u=a*c,p=n*h,f=n*c;t[0]=o*h,t[4]=-o*c,t[8]=l,t[1]=u+p*l,t[5]=d-f*l,t[9]=-n*o,t[2]=f-d*l,t[6]=p+u*l,t[10]=a*o}else if(e.order==="YXZ"){let d=o*h,u=o*c,p=l*h,f=l*c;t[0]=d+f*n,t[4]=p*n-u,t[8]=a*l,t[1]=a*c,t[5]=a*h,t[9]=-n,t[2]=u*n-p,t[6]=f+d*n,t[10]=a*o}else if(e.order==="ZXY"){let d=o*h,u=o*c,p=l*h,f=l*c;t[0]=d-f*n,t[4]=-a*c,t[8]=p+u*n,t[1]=u+p*n,t[5]=a*h,t[9]=f-d*n,t[2]=-a*l,t[6]=n,t[10]=a*o}else if(e.order==="ZYX"){let d=a*h,u=a*c,p=n*h,f=n*c;t[0]=o*h,t[4]=p*l-u,t[8]=d*l+f,t[1]=o*c,t[5]=f*l+d,t[9]=u*l-p,t[2]=-l,t[6]=n*o,t[10]=a*o}else if(e.order==="YZX"){let d=a*o,u=a*l,p=n*o,f=n*l;t[0]=o*h,t[4]=f-d*c,t[8]=p*c+u,t[1]=c,t[5]=a*h,t[9]=-n*h,t[2]=-l*h,t[6]=u*c+p,t[10]=d-f*c}else if(e.order==="XZY"){let d=a*o,u=a*l,p=n*o,f=n*l;t[0]=o*h,t[4]=-c,t[8]=l*h,t[1]=d*c+f,t[5]=a*h,t[9]=u*c-p,t[2]=p*c-u,t[6]=n*h,t[10]=f*c+d}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(qD,e,XD)}lookAt(e,t,i){let r=this.elements;return qr.subVectors(e,t),qr.lengthSq()===0&&(qr.z=1),qr.normalize(),mn.crossVectors(i,qr),mn.lengthSq()===0&&(Math.abs(i.z)===1?qr.x+=1e-4:qr.z+=1e-4,qr.n

3ormalize(),mn.crossVectors(i,qr)),mn.normalize(),Vd.crossVectors(qr,mn),r[0]=mn.x,r[4]=Vd.x,r[8]=qr.x,r[1]=mn.y,r[5]=Vd.y,r[9]=qr.y,r[2]=mn.z,r[6]=Vd.z,r[10]=qr.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],n=i[4],o=i[8],l=i[12],h=i[1],c=i[5],d=i[9],u=i[13],p=i[2],f=i[6],g=i[10],m=i[14],v=i[3],y=i[7],x=i[11],w=i[15],S=r[0],b=r[4],A=r[8],_=r[12],E=r[1],C=r[5],T=r[9],P=r[13],O=r[2],D=r[6],k=r[10],W=r[14],N=r[3],F=r[7],Z=r[11],q=r[15];return s[0]=a*S+n*E+o*O+l*N,s[4]=a*b+n*C+o*D+l*F,s[8]=a*A+n*T+o*k+l*Z,s[12]=a*_+n*P+o*W+l*q,s[1]=h*S+c*E+d*O+u*N,s[5]=h*b+c*C+d*D+u*F,s[9]=h*A+c*T+d*k+u*Z,s[13]=h*_+c*P+d*W+u*q,s[2]=p*S+f*E+g*O+m*N,s[6]=p*b+f*C+g*D+m*F,s[10]=p*A+f*T+g*k+m*Z,s[14]=p*_+f*P+g*W+m*q,s[3]=v*S+y*E+x*O+w*N,s[7]=v*b+y*C+x*D+w*F,s[11]=v*A+y*T+x*k+w*Z,s[15]=v*_+y*P+x*W+w*q,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],n=e[5],o=e[9],l=e[13],h=e[2],c=e[6],d=e[10],u=e[14],p=e[3],f=e[7],g=e[11],m=e[15];return p*(+s*o*c-r*l*c-s*n*d+i*l*d+r*n*u-i*o*u)+f*(+t*o*u-t*l*d+s*a*d-r*a*u+r*l*h-s*o*h)+g*(+t*l*c-t*n*u-s*a*c+i*a*u+s*n*h-i*l*h)+m*(-r*n*h-t*o*c+t*n*d+r*a*c-i*a*d+i*o*h)}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],n=e[5],o=e[6],l=e[7],h=e[8],c=e[9],d=e[10],u=e[11],p=e[12],f=e[13],g=e[14],m=e[15],v=c*g*l-f*d*l+f*o*u-n*g*u-c*o*m+n*d*m,y=p*d*l-h*g*l-p*o*u+a*g*u+h*o*m-a*d*m,x=h*f*l-p*c*l+p*n*u-a*f*u-h*n*m+a*c*m,w=p*c*o-h*f*o-p*n*d+a*f*d+h*n*g-a*c*g,S=t*v+i*y+r*x+s*w;if(S===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let b=1/S;return e[0]=v*b,e[1]=(f*d*s-c*g*s-f*r*u+i*g*u+c*r*m-i*d*m)*b,e[2]=(n*g*s-f*o*s+f*r*l-i*g*l-n*r*m+i*o*m)*b,e[3]=(c*o*s-n*d*s-c*r*l+i*d*l+n*r*u-i*o*u)*b,e[4]=y*b,e[5]=(h*g*s-p*d*s+p*r*u-t*g*u-h*r*m+t*d*m)*b,e[6]=(p*o*s-a*g*s-p*r*l+t*g*l+a*r*m-t*o*m)*b,e[7]=(a*d*s-h*o*s+h*r*l-t*d*l-a*r*u+t*o*u)*b,e[8]=x*b,e[9]=(p*c*s-h*f*s-p*i*u+t*f*u+h*i*m-t*c*m)*b,e[10]=(a*f*s-p*n*s+p*i*l-t*f*l-a*i*m+t*n*m)*b,e[11]=(h*n*s-a*c*s-h*i*l+t*c*l+a*i*u-t*n*u)*b,e[12]=w*b,e[13]=(h*f*r-p*c*r+p*i*d-t*f*d-h*i*g+t*c*g)*b,e[14]=(p*n*r-a*f*r-p*i*o+t*f*o+a*i*g-t*n*g)*b,e[15]=(a*c*r-h*n*r+h*i*o-t*c*o-a*i*d+t*n*d)*b,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,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],i=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],r=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,i,r))}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,n=e.y,o=e.z,l=s*a,h=s*n;return this.set(l*a+i,l*n-r*o,l*o+r*n,0,l*n+r*o,h*n+i,h*o-r*a,0,l*o-r*n,h*o+r*a,s*o*o+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,n=t._z,o=t._w,l=s+s,h=a+a,c=n+n,d=s*l,u=s*h,p=s*c,f=a*h,g=a*c,m=n*c,v=o*l,y=o*h,x=o*c,w=i.x,S=i.y,b=i.z;return r[0]=(1-(f+m))*w,r[1]=(u+x)*w,r[2]=(p-y)*w,r[3]=0,r[4]=(u-x)*S,r[5]=(1-(d+m))*S,r[6]=(g+v)*S,r[7]=0,r[8]=(p+y)*b,r[9]=(g-v)*b,r[10]=(1-(d+f))*b,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=ol.set(r[0],r[1],r[2]).length(),a=ol.set(r[4],r[5],r[6]).length(),n=ol.set(r[8],r[9],r[10]).length();this.determinant()<0&&(s=-s),e.x=r[12],e.y=r[13],e.z=r[14],xs.copy(this);let o=1/s,l=1/a,h=1/n;return xs.elements[0]*=o,xs.elements[1]*=o,xs.elements[2]*=o,xs.elements[4]*=l,xs.elements[5]*=l,xs.elements[6]*=l,xs.elements[8]*=h,xs.elements[9]*=h,xs.elements[10]*=h,t.setFromRotationMatrix(xs),i.x=s,i.y=a,i.z=n,this}makePerspective(e,t,i,r,s,a){let n=this.elements,o=2*s/(t-e),l=2*s/(i-r),h=(t+e)/(t-e),c=(i+r)/(i-r),d=-(a+s)/(a-s),u=-2*a*s/(a-s);return n[0]=o,n[4]=0,n[8]=h,n[12]=0,n[1]=0,n[5]=l,n[9]=c,n[13]=0,n[2]=0,n[6]=0,n[10]=d,n[14]=u,n[3]=0,n[7]=0,n[11]=-1,n[15]=0,this}makeOrthographic(e,t,i,r,s,a){let n=this.elements,o=1/(t-e),l=1/(i-r),h=1/(a-s),c=(t+e)*o,d=(i+r)*l,u=(a+s)*h;return n[0]=2*o,n[4]=0,n[8]=0,n[12]=-c,n[1]=0,n[5]=2*l,n[9]=0,n[13]=-d,n[2]=0,n[6]=0,n[10]=-2*h,n[14]=-u,n[3]=0,n[7]=0,n[11]=0,n[15]=1,this}equals(e){let t=this.elements,i=e.elements;for(let r=0;r<16;r++)if(t[r]!==i[r])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}},ol=new M,xs=new be,qD=new M(0,0,0),XD=new M(1,1,1),mn=new M,Vd=new M,qr=new M,Ix=new be,Ox=new ot,zi=class{constructor(e=0,t=0,i=0,r=zi.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],n=r[8],o=r[1],l=r[5],h=r[9],c=r[2],d=r[6],u=r[10];switch(t){case"XYZ":this._y=Math.asin(_i(n,-1,1)),Math.abs(n)<.9999999?(this._x=Math.atan2(-h,u),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,l),this._z=0);break;case"YXZ":this._x=Math.asin(-_i(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(n,u),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-c,s),this._z=0);break;case"ZXY":this._x=Math.asin(_i(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-c,u),this._z=Math.atan2(-a,l)):(this._y=0,this._z=Math.atan2(o,s));break;case"ZYX":this._y=Math.asin(-_i(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(d,u),this._z=Math.atan2(o,s)):(this._x=0,this._z=Math.atan2(-a,l));break;case"YZX":this._z=Math.asin(_i(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-h,l),this._y=Math.atan2(-c,s)):(this._x=0,this._y=Math.atan2(n,u));break;case"XZY":this._z=Math.asin(-_i(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,l),this._y=Math.atan2(n,s)):(this._x=Math.atan2(-h,u),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,i===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,i){return Ix.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Ix,t,i)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return Ox.setFromEuler(this),this.setFromQuaternion(Ox,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],e[3]!==void 0&&(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}};zi.DEFAULT_ORDER="XYZ";var xy=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}},YD=0,Rx=new M,ll=new ot,Ta=new be,jd=new M,Wh=new M,QD=new M,ZD=new ot,Lx=new M(1,0,0),Bx=new M(0,1,0),zx=new M(0,0,1),KD={type:"added"},Fx={type:"removed"},Ut=class extends ur{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:YD++}),this.uuid=ds(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Ut.DEFAULT_UP.clone();let e=new M,t=new zi,i=new ot,r=new M(1,1,1);function s(){i.setFromEuler(t,!1)}function a(){t.setFromQuaternion(i,void 0,!1)}t._onChange(s),i._onChange(a),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 be},normalMatrix:{value:new Mi}}),this.matrix=new be,this.matrixWorld=new be,this.matrixAutoUpdate=Ut.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.matrixWorldAutoUpdate=Ut.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.layers=new xy,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)}

3setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return ll.setFromAxisAngle(e,t),this.quaternion.multiply(ll),this}rotateOnWorldAxis(e,t){return ll.setFromAxisAngle(e,t),this.quaternion.premultiply(ll),this}rotateX(e){return this.rotateOnAxis(Lx,e)}rotateY(e){return this.rotateOnAxis(Bx,e)}rotateZ(e){return this.rotateOnAxis(zx,e)}translateOnAxis(e,t){return Rx.copy(e).applyQuaternion(this.quaternion),this.position.add(Rx.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(Lx,e)}translateY(e){return this.translateOnAxis(Bx,e)}translateZ(e){return this.translateOnAxis(zx,e)}localToWorld(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(Ta.copy(this.matrixWorld).invert())}lookAt(e,t,i){e.isVector3?jd.copy(e):jd.set(e,t,i);let r=this.parent;this.updateWorldMatrix(!0,!1),Wh.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Ta.lookAt(Wh,jd,this.up):Ta.lookAt(jd,Wh,this.up),this.quaternion.setFromRotationMatrix(Ta),r&&(Ta.extractRotation(r.matrixWorld),ll.setFromRotationMatrix(Ta),this.quaternion.premultiply(ll.invert()))}add(e){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(e.parent!==null&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(KD)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)}remove(e){if(arguments.length>1){for(let i=0;i<arguments.length;i++)this.remove(arguments[i]);return this}let t=this.children.indexOf(e);return t!==-1&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(Fx)),this}removeFromParent(){let e=this.parent;return e!==null&&e.remove(this),this}clear(){for(let e=0;e<this.children.length;e++){let t=this.children[e];t.parent=null,t.dispatchEvent(Fx)}return this.children.length=0,this}attach(e){return this.updateWorldMatrix(!0,!1),Ta.copy(this.matrixWorld).invert(),e.parent!==null&&(e.parent.updateWorldMatrix(!0,!1),Ta.multiply(e.parent.matrixWorld)),e.applyMatrix4(Ta),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 s=this.children[i].getObjectByProperty(e,t);if(s!==void 0)return s}}getObjectsByProperty(e,t){let i=[];this[e]===t&&i.push(this);for(let r=0,s=this.children.length;r<s;r++){let a=this.children[r].getObjectsByProperty(e,t);a.length>0&&(i=i.concat(a))}return i}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Wh,e,QD),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Wh,ZD,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(this.visible===!1)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;t!==null&&(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)&&(this.parent===null?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 s=t[i];(s.matrixWorldAutoUpdate===!0||e===!0)&&s.updateMatrixWorld(e)}}updateWorldMatrix(e,t){let i=this.parent;if(e===!0&&i!==null&&i.matrixWorldAutoUpdate===!0&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),this.parent===null?this.matrixWorld.copy(this.matrix

3):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),t===!0){let r=this.children;for(let s=0,a=r.length;s<a;s++){let n=r[s];n.matrixWorldAutoUpdate===!0&&n.updateWorldMatrix(!1,!0)}}}toJSON(e){let t=e===void 0||typeof e=="string",i={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},i.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});let r={};r.uuid=this.uuid,r.type=this.type,this.name!==""&&(r.name=this.name),this.castShadow===!0&&(r.castShadow=!0),this.receiveShadow===!0&&(r.receiveShadow=!0),this.visible===!1&&(r.visible=!1),this.frustumCulled===!1&&(r.frustumCulled=!1),this.renderOrder!==0&&(r.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),this.matrixAutoUpdate===!1&&(r.matrixAutoUpdate=!1),this.isInstancedMesh&&(r.type="InstancedMesh",r.count=this.count,r.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(r.instanceColor=this.instanceColor.toJSON()));function s(n,o){return n[o.uuid]===void 0&&(n[o.uuid]=o.toJSON(e)),o.uuid}if(this.isScene)this.background&&(this.background.isColor?r.background=this.background.toJSON():this.background.isTexture&&(r.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0&&(r.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){r.geometry=s(e.geometries,this.geometry);let n=this.geometry.parameters;if(n!==void 0&&n.shapes!==void 0){let o=n.shapes;if(Array.isArray(o))for(let l=0,h=o.length;l<h;l++){let c=o[l];s(e.shapes,c)}else s(e.shapes,o)}}if(this.isSkinnedMesh&&(r.bindMode=this.bindMode,r.bindMatrix=this.bindMatrix.toArray(),this.skeleton!==void 0&&(s(e.skeletons,this.skeleton),r.skeleton=this.skeleton.uuid)),this.material!==void 0)if(Array.isArray(this.material)){let n=[];for(let o=0,l=this.material.length;o<l;o++)n.push(s(e.materials,this.material[o]));r.material=n}else r.material=s(e.materials,this.material);if(this.children.length>0){r.children=[];for(let n=0;n<this.children.length;n++)r.children.push(this.children[n].toJSON(e).object)}if(this.animations.length>0){r.animations=[];for(let n=0;n<this.animations.length;n++){let o=this.animations[n];r.animations.push(s(e.animations,o))}}if(t){let n=a(e.geometries),o=a(e.materials),l=a(e.textures),h=a(e.images),c=a(e.shapes),d=a(e.skeletons),u=a(e.animations),p=a(e.nodes);n.length>0&&(i.geometries=n),o.length>0&&(i.materials=o),l.length>0&&(i.textures=l),h.length>0&&(i.images=h),c.length>0&&(i.shapes=c),d.length>0&&(i.skeletons=d),u.length>0&&(i.animations=u),p.length>0&&(i.nodes=p)}return i.object=r,i;function a(n){let o=[];for(let l in n){let h=n[l];delete h.metadata,o.push(h)}return o}}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)),t===!0)for(let i=0;i<e.children.length;i++){let r=e.children[i];this.add(r.clone())}return this}};Ut.DEFAULT_UP=new M(0,1,0);Ut.DEFAULT_MATRIX_AUTO_UPDATE=!0;Ut.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;var bs=new M,Pa=new M,Mm=new M,Da=new M,hl=new M,cl=new M,kx=new M,Em=new M,Cm=new M,Tm=new M,or=class{constructor(e=new M,t=new M,i=new M){this.a=e,this.b=t,this.c=i}static getNormal(e,t,i,r){r.subVectors(i,t),bs.subVectors(e,t),r.cross(bs);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){bs.subVectors(r,t),Pa.subVectors(i,t),Mm.subVectors(e,t);let a=bs.dot(bs),n=bs.dot(Pa),o=bs.dot(Mm),l=Pa.dot(Pa),h=Pa.dot(Mm),c=a*l-n*n;if(c===0)return s.set(-2,-1,-1);let d=1/c,u=(l*o-n*h)*d,p=(a*h-n*o)*d;return s.set(1-u-p,p,u)}static containsPoint(e,t,i,r){return this.getBarycoord(e,t,i,r,Da),Da.x>=0&&Da.y>=0&&Da.x+Da.y<=1}static getUV(e,t,i,r,s,a,n,o){return this.getBarycoord(e,t,i,r,Da),o.set(0,0),o.addScaledVector(s,Da.x),o.addScaledVector(a,Da.y),o.addScaledVector(n,Da.z),o}static isFrontFacing(e,t,i,r){return bs.subVectors(i,t),Pa.subVectors(e,t),bs.cross(Pa).dot(r)<0}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 bs.subVectors(this.c,this.b),Pa.subVectors(this.a,this.b),bs.cross(Pa).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return or.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return or.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,i,r,s){return or.getUV(e,this.a,this.b,this.c,t,i,r,s)}containsPoint(e){return or.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return or.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,n;hl.subVectors(r,i),cl.subVectors(s,i),Em.subVectors(e,i);let o=hl.dot(Em),l=cl.dot(Em);if(o<=0&&l<=0)return t.copy(i);Cm.subVectors(e,r);let h=hl.dot(Cm),c=cl.dot(Cm);if(h>=0&&c<=h)return t.copy(r);let d=o*c-h*l;if(d<=0&&o>=0&&h<=0)return a=o/(o-h),t.copy(i).addScaledVector(hl,a);Tm.subVectors(e,s);let u=hl.dot(Tm),p=cl.dot(Tm);if(p>=0&&u<=p)return t.copy(s);let f=u*l-o*p;if(f<=0&&l>=0&&p<=0)return n=l/(l-p),t.copy(i).addScaledVector(cl,n);let g=h*p-u*c;if(g<=0&&c-h>=0&&u-p>=0)return kx.subVectors(s,r),n=(c-h)/(c-h+(u-p)),t.copy(r).addScaledVector(kx,n);let m=1/(g+f+d);return a=f*m,n=d*m,t.copy(i).addScaledVector(hl,a).addScaledVector(cl,n)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},JD=0,md=class extends ur{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:JD++}),this.uuid=ds(),this.name="",this.type="Material",this.blending=Lo,this.side=zs,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=gM,this.blendDst=vM,this.blendEquation=zl,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=uv,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=ED,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=pm,this.stencilZFail=pm,this.stencilZPass=pm,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(e!==void 0)for(let t in e){let i=e[t];if(i===void 0){console.warn("THREE.Material: '"+t+"' parameter is undefined.");continue}let r=this[t];if(r===void 0){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=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});let i={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};

3i.uuid=this.uuid,i.type=this.type,this.name!==""&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),this.roughness!==void 0&&(i.roughness=this.roughness),this.metalness!==void 0&&(i.metalness=this.metalness),this.sheen!==void 0&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),this.emissiveIntensity&&this.emissiveIntensity!==1&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(i.shininess=this.shininess),this.clearcoat!==void 0&&(i.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(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()),this.iridescence!==void 0&&(i.iridescence=this.iridescence),this.iridescenceIOR!==void 0&&(i.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==void 0&&(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,this.combine!==void 0&&(i.combine=this.combine)),this.envMapIntensity!==void 0&&(i.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(i.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(i.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(i.size=this.size),this.shadowSide!==null&&(i.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(i.sizeAttenuation=this.sizeAttenuation),this.blending!==Lo&&(i.blending=this.blending),this.side!==zs&&(i.side=this.side),this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),this.transparent===!0&&(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,this.rotation!==void 0&&this.rotation!==0&&(i.rotation=this.rotation),this.polygonOffset===!0&&(i.polygonOffset=!0),this.polygonOffsetFactor!==0&&(i.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(i.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==void 0&&this.linewidth!==1&&(i.linewidth=this.linewidth),this.dashSize!==void 0&&(i.dashSize=this.dashSize),this.gapSize!==void 0&&(i.gapSize=this.gapSize),this.scale!==void 0&&(i.scale=this.scale),this.dithering===!0&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),this.alphaToCoverage===!0&&(i.alphaToCoverage=this.alphaToCoverage),this.premultipliedAlpha===!0&&(i.premultipliedAlpha=this.premultipliedAlpha),this.forceSinglePass===!0&&(i.forceSinglePass=this.forceSinglePass),this.wireframe===!0&&(i.wireframe=this.wireframe),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(i.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(i.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(i.flatShading=this.flatShading),this.visible===!1&&(i.visible=!1),this.toneMapped===!1&&(i.toneMapped=!1),this.fog===!1&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData);function r(s){let a=[];for(let n in s){let o=s[n];delete o.metadata,a.push(o)}return a}if(t){let s=r(e.textures),a=r(e.images);s.length>0&&(i.textures=s),a.length>0&&(i.images=a)}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(t!==null){let r=t.length;i=new Array(r);for(let s=0;s!==r;++s)i[s]=t[s].clone()}return this.clippingPlanes=i,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipSh

3adows,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){e===!0&&this.version++}},sn=class extends md{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new $e(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=yM,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}},wi=new M,Gd=new j,et=class{constructor(e,t,i=!1){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=e,this.itemSize=t,this.count=e!==void 0?e.length/t:0,this.normalized=i,this.usage=gv,this.updateRange={offset:0,count:-1},this.version=0}onUploadCallback(){}set needsUpdate(e){e===!0&&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(this.itemSize===2)for(let t=0,i=this.count;t<i;t++)Gd.fromBufferAttribute(this,t),Gd.applyMatrix3(e),this.setXY(t,Gd.x,Gd.y);else if(this.itemSize===3)for(let t=0,i=this.count;t<i;t++)wi.fromBufferAttribute(this,t),wi.applyMatrix3(e),this.setXYZ(t,wi.x,wi.y,wi.z);return this}applyMatrix4(e){for(let t=0,i=this.count;t<i;t++)wi.fromBufferAttribute(this,t),wi.applyMatrix4(e),this.setXYZ(t,wi.x,wi.y,wi.z);return this}applyNormalMatrix(e){for(let t=0,i=this.count;t<i;t++)wi.fromBufferAttribute(this,t),wi.applyNormalMatrix(e),this.setXYZ(t,wi.x,wi.y,wi.z);return this}transformDirection(e){for(let t=0,i=this.count;t<i;t++)wi.fromBufferAttribute(this,t),wi.transformDirection(e),this.setXYZ(t,wi.x,wi.y,wi.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=Za(t,this.array)),t}setX(e,t){return this.normalized&&(t=Qt(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=Za(t,this.array)),t}setY(e,t){return this.normalized&&(t=Qt(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=Za(t,this.array)),t}setZ(e,t){return this.normalized&&(t=Qt(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=Za(t,this.array)),t}setW(e,t){return this.normalized&&(t=Qt(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,i){return e*=this.itemSize,this.normalized&&(t=Qt(t,this.array),i=Qt(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=Qt(t,this.array),i=Qt(i,this.array),r=Qt

3(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=Qt(t,this.array),i=Qt(i,this.array),r=Qt(r,this.array),s=Qt(s,this.array)),this.array[e+0]=t,this.array[e+1]=i,this.array[e+2]=r,this.array[e+3]=s,this}onUpload(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),this.usage!==gv&&(e.usage=this.usage),(this.updateRange.offset!==0||this.updateRange.count!==-1)&&(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.")}},OM=class extends et{constructor(e,t,i){super(new Uint16Array(e),t,i)}},Zl=class extends et{constructor(e,t,i){super(new Uint32Array(e),t,i)}},De=class extends et{constructor(e,t,i){super(new Float32Array(e),t,i)}},$D=0,$r=new be,Pm=new Ut,dl=new M,Xr=new xi,qh=new xi,Gi=new M,je=class extends ur{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:$D++}),this.uuid=ds(),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(EM(e)?Zl:OM)(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 this.attributes[e]!==void 0}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;t!==void 0&&(t.applyMatrix4(e),t.needsUpdate=!0);let i=this.attributes.normal;if(i!==void 0){let s=new Mi().getNormalMatrix(e);i.applyNormalMatrix(s),i.needsUpdate=!0}let r=this.attributes.tangent;return r!==void 0&&(r.transformDirection(e),r.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}applyQuaternion(e){return $r.makeRotationFromQuaternion(e),this.applyMatrix4($r),this}rotateX(e){return $r.makeRotationX(e),this.applyMatrix4($r),this}rotateY(e){return $r.makeRotationY(e),this.applyMatrix4($r),this}rotateZ(e){return $r.makeRotationZ(e),this.applyMatrix4($r),this}translate(e,t,i){return $r.makeTranslation(e,t,i),this.applyMatrix4($r),this}scale(e,t,i){return $r.makeScale(e,t,i),this.applyMatrix4($r),this}lookAt(e){return Pm.lookAt(e),Pm.updateMatrix(),this.applyMatrix4(Pm.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(dl).negate(),this.translate(dl.x,dl.y,dl.z),this}setFromPoints(e){let t=[];for(let i=0,r=e.length;i<r;i++){let s=e[i];t.push(s.x,s.y,s.z||0)}return this.setAttribute("position",new De(t,3)),this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new xi);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

3se".',this),this.boundingBox.set(new M(-1/0,-1/0,-1/0),new M(1/0,1/0,1/0));return}if(e!==void 0){if(this.boundingBox.setFromBufferAttribute(e),t)for(let i=0,r=t.length;i<r;i++){let s=t[i];Xr.setFromBufferAttribute(s),this.morphTargetsRelative?(Gi.addVectors(this.boundingBox.min,Xr.min),this.boundingBox.expandByPoint(Gi),Gi.addVectors(this.boundingBox.max,Xr.max),this.boundingBox.expandByPoint(Gi)):(this.boundingBox.expandByPoint(Xr.min),this.boundingBox.expandByPoint(Xr.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new Hr);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

3se".',this),this.boundingSphere.set(new M,1/0);return}if(e){let i=this.boundingSphere.center;if(Xr.setFromBufferAttribute(e),t)for(let s=0,a=t.length;s<a;s++){let n=t[s];qh.setFromBufferAttribute(n),this.morphTargetsRelative?(Gi.addVectors(Xr.min,qh.min),Xr.expandByPoint(Gi),Gi.addVectors(Xr.max,qh.max),Xr.expandByPoint(Gi)):(Xr.expandByPoint(qh.min),Xr.expandByPoint(qh.max))}Xr.getCenter(i);let r=0;for(let s=0,a=e.count;s<a;s++)Gi.fromBufferAttribute(e,s),r=Math.max(r,i.distanceToSquared(Gi));if(t)for(let s=0,a=t.length;s<a;s++){let n=t[s],o=this.morphTargetsRelative;for(let l=0,h=n.count;l<h;l++)Gi.fromBufferAttribute(n,l),o&&(dl.fromBufferAttribute(e,l),Gi.add(dl)),r=Math.max(r,i.distanceToSquared(Gi))}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(e===null||t.position===void 0||t.normal===void 0||t.uv===void 0){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,n=r.length/3;this.hasAttribute("tangent")===!1&&this.setAttribute("tangent",new et(new Float32Array(4*n),4));let o=this.getAttribute("tangent").array,l=[],h=[];for(let E=0;E<n;E++)l[E]=new M,h[E]=new M;let c=new M,d=new M,u=new M,p=new j,f=new j,g=new j,m=new M,v=new M;function y(E,C,T){c.fromArray(r,E*3),d.fromArray(r,C*3),u.fromArray(r,T*3),p.fromArray(a,E*2),f.fromArray(a,C*2),g.fromArray(a,T*2),d.sub(c),u.sub(c),f.sub(p),g.sub(p);let P=1/(f.x*g.y-g.x*f.y);!isFinite(P)||(m.copy(d).multiplyScalar(g.y).addScaledVector(u,-f.y).multiplyScalar(P),v.copy(u).multiplyScalar(f.x).addScaledVector(d,-g.x).multiplyScalar(P),l[E].add(m),l[C].add(m),l[T].add(m),h[E].add(v),h[C].add(v),h[T].add(v))}let x=this.groups;x.length===0&&(x=[{start:0,count:i.length}]);for(let E=0,C=x.length;E<C;++E){let T=x[E],P=T.start,O=T.count;for(let D=P,k=P+O;D<k;D+=3)y(i[D+0],i[D+1],i[D+2])}let w=new M,S=new M,b=new M,A=new M;function _(E){b.fromArray(s,E*3),A.copy(b);let C=l[E];w.copy(C),w.sub(b.multiplyScalar(b.dot(C))).normalize(),S.crossVectors(A,C);let T=S.dot(h[E])<0?-1:1;o[E*4]=w.x,o[E*4+1]=w.y,o[E*4+2]=w.z,o[E*4+3]=T}for(let E=0,C=x.length;E<C;++E){let T=x[E],P=T.start,O=T.count;for(let D=P,k=P+O;D<k;D+=3)_(i[D+0]),_(i[D+1]),_(i[D+2])}}computeVertexNormals(){let e=this.index,t=this.getAttribute("position");if(t!==void 0){let i=this.getAttribute("normal");if(i===void 0)i=new et(new Float32Array(t.count*3),3),this.setAttribute("normal",i);else for(let d=0,u=i.count;d<u;d++)i.setXYZ(d,0,0,0);let r=new M,s=new M,a=new M,n=new M,o=new M,l=new M,h=new M,c=new M;if(e)for(let d=0,u=e.count;d<u;d+=3){let p=e.getX(d+0),f=e.getX(d+1),g=e.getX(d+2);r.fromBufferAttribute(t,p),s.fromBufferAttribute(t,f),a.fromBufferAttribute(t,g),h.subVectors(a,s),c.subVectors(r,s),h.cross(c),n.fromBufferAttribute(i,p),o.fromBufferAttribute(i,f),l.fromBufferAttribute(i,g),n.add(h),o.add(h),l.add(h),i.setXYZ(p,n.x,n.y,n.z),i.setXYZ(f,o.x,o.y,o.z),i.setXYZ(g,l.x,l.y,l.z)}else for(let d=0,u=t.count;d<u;d+=3)r.fromBufferAttribute(t,d+0),s.fromBufferAttribute(t,d+1),a.fromBufferAttribute(t,d+2),h.subVectors(a,s),c.subVectors(r,s),h.cross(c),i.setXYZ(d+0,h.x,h.y,h.z),i.setXYZ(d+1,h.x,h.y,h.z),i.setXYZ(d+2,h.x,h.y,h.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++)Gi.fromBufferAttribute(e,t),Gi.normalize(),e.setXYZ(t,Gi.x,Gi.y,Gi.z)}toNonIndexed(){function e(n,o){let l=n.array,h=n.itemSize,c=n.normalized,d=new l.constructor(o.length*h),u=0,p=0;for(let f=0,g=o.length;f<g;f++){n.isInterleavedBufferAttribute?u=o[f]*n.data.stride+n.offset:u=o[f]*h;for(let m=0;m<h;m++)d[p++]=l[u++]}return new et(d,h,c)}if(this.index===null)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;let t=new je,i=this.index.array,r=this.attributes;for(let n in r){let o=r[n],l=e(o,i);t.setAttribute(n,l)}let s=this.morphAttributes;for(let n in s){let o=[],l=s[n];for(let h=0,c=l.length;h<c;h++){let d=l[h],u=e(d,i);o.push(u)}t.morphAttributes[n]=o}t.morphTargetsRelative=this.morphTargetsRelative;let a=this.groups;for(let n=0,o=a.length;n<o;n++){let l=a[n];t.addGroup(l.start,l.count,l.materialIndex)}return t}toJSON(){let e={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};

3if(e.uuid=this.uuid,e.type=this.type,this.name!==""&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),this.parameters!==void 0){let o=this.parameters;for(let l in o)o[l]!==void 0&&(e[l]=o[l]);return e}e.data={attributes:{}};let t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});let i=this.attributes;for(let o in i){let l=i[o];e.data.attributes[o]=l.toJSON(e.data)}let r={},s=!1;for(let o in this.morphAttributes){let l=this.morphAttributes[o],h=[];for(let c=0,d=l.length;c<d;c++){let u=l[c];h.push(u.toJSON(e.data))}h.length>0&&(r[o]=h,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 n=this.boundingSphere;return n!==null&&(e.data.boundingSphere={center:n.center.toArray(),radius:n.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;i!==null&&this.setIndex(i.clone(t));let r=e.attributes;for(let l in r){let h=r[l];this.setAttribute(l,h.clone(t))}let s=e.morphAttributes;for(let l in s){let h=[],c=s[l];for(let d=0,u=c.length;d<u;d++)h.push(c[d].clone(t));this.morphAttributes[l]=h}this.morphTargetsRelative=e.morphTargetsRelative;let a=e.groups;for(let l=0,h=a.length;l<h;l++){let c=a[l];this.addGroup(c.start,c.count,c.materialIndex)}let n=e.boundingBox;n!==null&&(this.boundingBox=n.clone());let o=e.boundingSphere;return o!==null&&(this.boundingSphere=o.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,e.parameters!==void 0&&(this.parameters=Object.assign({},e.parameters)),this}dispose(){this.dispatchEvent({type:"dispose"})}},Ux=new be,ul=new Eh,Dm=new Hr,Xh=new M,Yh=new M,Qh=new M,Im=new M,Hd=new M,Wd=new j,qd=new j,Xd=new j,Om=new M,Yd=new M,Zt=class extends Ut{constructor(e=new je,t=new sn){super(),this.isMesh=!0,this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),e.morphTargetInfluences!==void 0&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),e.morphTargetDictionary!==void 0&&(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(i!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let r=0,s=i.length;r<s;r++){let a=i[r].name||String(r);this.morphTargetInfluences.push(0),this.morphTargetDictionary[a]=r}}}}getVertexPosition(e,t){let i=this.geometry,r=i.attributes.position,s=i.morphAttributes.position,a=i.morphTargetsRelative;t.fromBufferAttribute(r,e);let n=this.morphTargetInfluences;if(s&&n){Hd.set(0,0,0);for(let o=0,l=s.length;o<l;o++){let h=n[o],c=s[o];h!==0&&(Im.fromBufferAttribute(c,e),a?Hd.addScaledVector(Im,h):Hd.addScaledVector(Im.sub(t),h))}t.add(Hd)}return this.isSkinnedMesh&&this.boneTransform(e,t),t}raycast(e,t){let i=this.geometry,r=this.material,s=this.matrixWorld;if(r===void 0||(i.boundingSphere===null&&i.computeBoundingSphere(),Dm.copy(i.boundingSphere),Dm.applyMatrix4(s),e.ray.intersectsSphere(Dm)===!1)||(Ux.copy(s).invert(),ul.copy(e.ray).applyMatrix4(Ux),i.boundingBox!==null&&ul.intersectsBox(i.boundingBox)===!1))return;let a,n=i.index,o=i.attributes.position,l=i.attributes.uv,h=i.attributes.uv2,c=i.groups,d=i.drawRange;if(n!==null)if(Array.isArray(r))for(let u=0,p=c.length;u<p;u++){let f=c[u],g=r[f.materialIndex],m=Math.max(f.start,d.start),v=Math.min(n.count,Math.min(f.start+f.count,d.start+d.count));for(let y=m,x=v;y<x;y+=3){let w=n.getX(y),S=n.getX(y+1),b=n.getX(y+2);a=Qd(this,g,e,ul,l,h,w,S,b),a&&(a.faceIndex=Math.floor(y/3),a.face.materialIndex=f.materialIndex,t.push(a))}}else{let u=Math.max(0,d.start),p=Math.min(n.count,d.start+d.count);for(let f=u,g=p;f<g;f+=3){let m=n.getX(f),v=n.getX(f+1),y=n.getX(f+2);a=Qd(this,r,e,ul,l,h,m,v,y),a&&(a.faceIndex=Math.floor(f/3),t.push(a))}}else if(o!==void 0)if(Array.isArray(r))for(let u=0,p=c.length;u<p;u++){let f=c[u],g=r[f.materialIndex],m=Math.max(f.start,d.start),v=Math.min(o.count,Math.min(f.start+f.count,d.start+d.count));for(let y=m,x=v;y<x;y+=3){let w=y,S=y+1,b=y+2;a=Qd(this,g,e,ul,l,h,w,S,b),a&&(a.faceIndex=Math.floor(y/3),a.face.materialIndex=f.materialIndex,t.push(a))}}else{let u=Math.max(0,d.start),p=Math.min(o.count,d.start+d.count);for(let f=u,g=p;f<g;f+=3){let m=f,v=f+1,y=f+2;a=Qd(this,r,e,ul,l,h,m,v,y),a&&(a.faceIndex=Math.floor(f/3),t.push(a))}}}};function e3(e,t,i,r,s,a,n,o){let l;if(t.side===Ki?l=r.intersectTriangle(n,a,s,!0,o):l=r.intersectTriangle(s,a,n,t.side===zs,o),l===null)return null;Yd.copy(o),Yd.applyMatrix4(e.matrixWorld);let h=i.ray.origin.distanceTo(Yd);return h<i.near||h>i.far?null:{distance:h,point:Yd.clone(),object:e}}function Qd(e,t,i,r,s,a,n,o,l){e.getVertexPosition(n,Xh),e.getVertexPosition(o,Yh),e.getVertexPosition(l,Qh);

3let h=e3(e,t,i,r,Xh,Yh,Qh,Om);if(h){s&&(Wd.fromBufferAttribute(s,n),qd.fromBufferAttribute(s,o),Xd.fromBufferAttribute(s,l),h.uv=or.getUV(Om,Xh,Yh,Qh,Wd,qd,Xd,new j)),a&&(Wd.fromBufferAttribute(a,n),qd.fromBufferAttribute(a,o),Xd.fromBufferAttribute(a,l),h.uv2=or.getUV(Om,Xh,Yh,Qh,Wd,qd,Xd,new j));let c={a:n,b:o,c:l,normal:new M,materialIndex:0};or.getNormal(Xh,Yh,Qh,c.normal),h.face=c}return h}var ks=class extends je{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 n=this;r=Math.floor(r),s=Math.floor(s),a=Math.floor(a);let o=[],l=[],h=[],c=[],d=0,u=0;p("z","y","x",-1,-1,i,t,e,a,s,0),p("z","y","x",1,-1,i,t,-e,a,s,1),p("x","z","y",1,1,e,i,t,r,a,2),p("x","z","y",1,-1,e,i,-t,r,a,3),p("x","y","z",1,-1,e,t,i,r,s,4),p("x","y","z",-1,-1,e,t,-i,r,s,5),this.setIndex(o),this.setAttribute("position",new De(l,3)),this.setAttribute("normal",new De(h,3)),this.setAttribute("uv",new De(c,2));function p(f,g,m,v,y,x,w,S,b,A,_){let E=x/b,C=w/A,T=x/2,P=w/2,O=S/2,D=b+1,k=A+1,W=0,N=0,F=new M;for(let Z=0;Z<k;Z++){let q=Z*C-P;for(let G=0;G<D;G++){let Q=G*E-T;F[f]=Q*v,F[g]=q*y,F[m]=O,l.push(F.x,F.y,F.z),F[f]=0,F[g]=0,F[m]=S>0?1:-1,h.push(F.x,F.y,F.z),c.push(G/b),c.push(1-Z/A),W+=1}}for(let Z=0;Z<A;Z++)for(let q=0;q<b;q++){let G=d+q+D*Z,Q=d+q+D*(Z+1),ee=d+(q+1)+D*(Z+1),Y=d+(q+1)+D*Z;o.push(G,Q,Y),o.push(Q,ee,Y),N+=6}n.addGroup(u,N,_),u+=N,d+=W}}static fromJSON(e){return new ks(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}};function dh(e){let t={};for(let i in e){t[i]={};for(let r in 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 Mr(e){let t={};for(let i=0;i<e.length;i++){let r=dh(e[i]);for(let s in r)t[s]=r[s]}return t}function t3(e){let t=[];for(let i=0;i<e.length;i++)t.push(e[i].clone());return t}function RM(e){return e.getRenderTarget()===null&&e.outputEncoding===mt?ra:Ep}var Ch={clone:dh,merge:Mr},i3=`void main() {
4	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
5}`,r3=`void main() {
6	gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );
7}`,Pt=class extends md{constructor(e){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=i3,this.fragmentShader=r3,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,e!==void 0&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=dh(e.uniforms),this.uniformsGroups=t3(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);t.glslVersion=this.glslVersion,t.uniforms={};for(let r in this.uniforms){let s=this.uniforms[r].value;s&&s.isTexture?t.uniforms[r]={type:"t",value:s.toJSON(e).uuid}:s&&s.isColor?t.uniforms[r]={type:"c",value:s.getHex()}:s&&s.isVector2?t.uniforms[r]={type:"v2",value:s.toArray()}:s&&s.isVector3?t.uniforms[r]={type:"v3",value:s.toArray()}:s&&s.isVector4?t.uniforms[r]={type:"v4",value:s.toArray()}:s&&s.isMatrix3?t.uniforms[r]={type:"m3",value:s.toArray()}:s&&s.isMatrix4?t.uniforms[r]={type:"m4",value:s.toArray()}:t.uniforms[r]={value:s}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;let i={};for(let r in this.extensions)this.extensions[r]===!0&&(i[r]=!0);return Object.keys(i).length>0&&(t.extensions=i),t}},to=class extends Ut{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new be,this.projectionMatrix=new be,this.projectionMatrixInverse=new be}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)}},mr=class extends to{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=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=Wc*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(Pc*.5*this.fov);return .5*this.getFilmHeight()/e}

7getEffectiveFOV(){return Wc*2*Math.atan(Math.tan(Pc*.5*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,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=i,this.view.offsetY=r,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(Pc*.5*this.fov)/this.zoom,i=2*t,r=this.aspect*i,s=-.5*r,a=this.view;if(this.view!==null&&this.view.enabled){let o=a.fullWidth,l=a.fullHeight;s+=a.offsetX*r/o,t-=a.offsetY*i/l,r*=a.width/o,i*=a.height/l}let n=this.filmOffset;n!==0&&(s+=e*n/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,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}},pl=-90,fl=1,s3=class extends Ut{constructor(e,t,i){super(),this.type="CubeCamera",this.renderTarget=i;let r=new mr(pl,fl,e,t);r.layers=this.layers,r.up.set(0,1,0),r.lookAt(1,0,0),this.add(r);let s=new mr(pl,fl,e,t);s.layers=this.layers,s.up.set(0,1,0),s.lookAt(-1,0,0),this.add(s);let a=new mr(pl,fl,e,t);a.layers=this.layers,a.up.set(0,0,-1),a.lookAt(0,1,0),this.add(a);let n=new mr(pl,fl,e,t);n.layers=this.layers,n.up.set(0,0,1),n.lookAt(0,-1,0),this.add(n);let o=new mr(pl,fl,e,t);o.layers=this.layers,o.up.set(0,1,0),o.lookAt(0,0,1),this.add(o);let l=new mr(pl,fl,e,t);l.layers=this.layers,l.up.set(0,1,0),l.lookAt(0,0,-1),this.add(l)}update(e,t){this.parent===null&&this.updateMatrixWorld();let i=this.renderTarget,[r,s,a,n,o,l]=this.children,h=e.getRenderTarget(),c=e.toneMapping,d=e.xr.enabled;e.toneMapping=ua,e.xr.enabled=!1;let u=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,n),e.setRenderTarget(i,4),e.render(t,o),i.texture.generateMipmaps=u,e.setRenderTarget(i,5),e.render(t,l),e.setRenderTarget(h),e.toneMapping=c,e.xr.enabled=d,i.texture.needsPMREMUpdate=!0}},by=class extends oi{constructor(e,t,i,r,s,a,n,o,l,h){e=e!==void 0?e:[],t=t!==void 0?t:Vo,super(e,t,i,r,s,a,n,o,l,h),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}},a3=class extends Tt{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;let i={width:e,height:e,depth:1},r=[i,i,i,i,i,i];this.texture=new by(r,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=t.generateMipmaps!==void 0?t.generateMipmaps:!1,this.texture.minFilter=t.minFilter!==void 0?t.minFilter:yt}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:`
8
9				varying vec3 vWorldDirection;
10
11				vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
12
13					return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
14
15				}
16
17				void main() {
18
19					vWorldDirection = transformDirection( position, modelMatrix );
20
21					#include <begin_vertex>
22					#include <project_vertex>
23
24				}
25			`,fragmentShader:`
26
27				uniform sampler2D tEquirect;
28
29				varying vec3 vWorldDirection;
30
31				#include <common>
32
33				void main() {
34
35					vec3 direction = normalize( vWorldDirection );
36
37					vec2 sampleUV = equirectUv( direction );
38
39					gl_FragColor = texture2D( tEquirect, sampleUV );
40
41				}
42			`},r=new ks(5,5,5),s=new Pt({name:"CubemapFromEquirect",uniforms:dh(i.uniforms),vertexShader:i.vertexShader,fragmentShader:i.fragmentShader,side:Ki,blending:Ci});s.uniforms.tEquirect.value=t;let a=new Zt(r,s),n=t.minFilter;return t.minFilter===ch&&(t.minFilter=yt),new s3(1,10,this).update(e,a),t.minFilter=n,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,i,r){let s=e.getRenderTarget();for(let a=0;a<6;a++)e.setRenderTarget(this,a),e.clear(t,i,r);e.setRenderTarget(s)}},Rm=new M,n3=new M,o3=new Mi,Fr=class{constructor(e=new M(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}

42setFromCoplanarPoints(e,t,i){let r=Rm.subVectors(i,t).cross(n3.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(Rm),r=this.normal.dot(i);if(r===0)return this.distanceToPoint(e.start)===0?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||o3.getNormalMatrix(e),r=this.coplanarPoint(Rm).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)}},ml=new Hr,Zd=new M,wy=class{constructor(e=new Fr,t=new Fr,i=new Fr,r=new Fr,s=new Fr,a=new Fr){this.planes=[e,t,i,r,s,a]}set(e,t,i,r,s,a){let n=this.planes;return n[0].copy(e),n[1].copy(t),n[2].copy(i),n[3].copy(r),n[4].copy(s),n[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],n=i[3],o=i[4],l=i[5],h=i[6],c=i[7],d=i[8],u=i[9],p=i[10],f=i[11],g=i[12],m=i[13],v=i[14],y=i[15];return t[0].setComponents(n-r,c-o,f-d,y-g).normalize(),t[1].setComponents(n+r,c+o,f+d,y+g).normalize(),t[2].setComponents(n+s,c+l,f+u,y+m).normalize(),t[3].setComponents(n-s,c-l,f-u,y-m).normalize(),t[4].setComponents(n-a,c-h,f-p,y-v).normalize(),t[5].setComponents(n+a,c+h,f+p,y+v).normalize(),this}intersectsObject(e){let t=e.geometry;return t.boundingSphere===null&&t.computeBoundingSphere(),ml.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(ml)}intersectsSprite(e){return ml.center.set(0,0,0),ml.radius=.7071067811865476,ml.applyMatrix4(e.matrixWorld),this.intersectsSphere(ml)}intersectsSphere(e){let t=this.planes,i=e.center,r=-e.radius;for(let s=0;s<6;s++)if(t[s].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(Zd.x=r.normal.x>0?e.max.x:e.min.x,Zd.y=r.normal.y>0?e.max.y:e.min.y,Zd.z=r.normal.z>0?e.max.z:e.min.z,r.distanceToPoint(Zd)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let i=0;i<6;i++)if(t[i].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}};function LM(){let e=null,t=!1,i=null,r=null;function s(a,n){i(a,n),r=e.requestAnimationFrame(s)}return{start:function(){t!==!0&&i!==null&&(r=e.requestAnimationFrame(s),t=!0)},stop:function(){e.cancelAnimationFrame(r),t=!1},setAnimationLoop:function(a){i=a},setContext:function(a){e=a}}}function l3(e,t){let i=t.isWebGL2,r=new WeakMap;function s(h,c){let d=h.array,u=h.usage,p=e.createBuffer();e.bindBuffer(c,p),e.bufferData(c,d,u),h.onUploadCallback();let f;if(d instanceof Float32Array)f=5126;else if(d instanceof Uint16Array)if(h.isFloat16BufferAttribute)if(i)f=5131;else throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");else f=5123;else if(d instanceof Int16Array)f=5122;else if(d instanceof Uint32Array)f=5125;else if(d instanceof Int32Array)f=5124;else if(d instanceof Int8Array)f=5120;else if(d instanceof Uint8Array)f=5121;else if(d instanceof Uint8ClampedArray)f=5121;else throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+d);return{buffer:p,type:f,bytesPerElement:d.BYTES_PER_ELEMENT,version:h.version}}function a(h,c,d){let u=c.array,p=c.updateRange;e.bindBuffer(d,h),p.count===-1?e.bufferSubData(d,0,u):(i?e.bufferSubData(d,p.offset*u.BYTES_PER_ELEMENT,u,p.offset,p.count):e.bufferSubData(d,p.offset*u.BYTES_PER_ELEMENT,u.subarray(p.offset,p.offset+p.count)),p.count=-1),c.onUploadCallback()}function n(h){return h.isInterleavedBufferAttribute&&(h=h.data),r.get(h)}function o(h){h.isInterleavedBufferAttribute&&(h=h.data);let c=r.get(h);c&&(e.deleteBuffer(c.buffer),r.delete(h))}function l(h,c){if(h.isGLBufferAttribute){let u=r.get(h);(!u||u.version<h.version)&&r.set(h,{buffer:h.buffer,type:h.type,bytesPerElement:h.elementSize,version:h.version});return}h.isInterleavedBufferAttribute&&(h=h.data);let d=r.get(h);d===void 0?r.set(h,s(h,c)):d.version<h.version&&(a(d.buffer,h,c),d.version=h.version)}return{get:n,remove:o,update:l}}var ga=class extends je{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,n=Math.floor(i),o=Math.floor(r),l=n+1,h=o+1,c=e/n,d=t/o,u=[],p=[],f=[],g=[];for(let m=0;m<h;m++){let v=m*d-a;for(let y=0;y<l;y++){let x=y*c-s;p.push(x,-v,0),f.push(0,0,1),g.push(y/n),g.push(1-m/o)}}for(let m=0;m<o;m++)for(let v=0;v<n;v++){let y=v+l*m,x=v+l*(m+1),w=v+1+l*(m+1),S=v+1+l*m;u.push(y,x,S),u.push(x,w,S)}this.setIndex(u),this.setAttribute("position",new De(p,3)),this.setAttribute("normal",new De(f,3)),this.setAttribute("uv",new De(g,2))}static fromJSON(e){return new ga(e.width,e.height,e.widthSegments,e.heightSegments)}},h3=`#ifdef USE_ALPHAMAP
43	diffuseColor.a *= texture2D( alphaMap, vUv ).g;

44#endif`,c3=`#ifdef USE_ALPHAMAP
45	uniform sampler2D alphaMap;
46#endif`,d3=`#ifdef USE_ALPHATEST
47	if ( diffuseColor.a < alphaTest ) discard;
48#endif`,u3=`#ifdef USE_ALPHATEST
49	uniform float alphaTest;
50#endif`,p3=`#ifdef USE_AOMAP
51	float ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;
52	reflectedLight.indirectDiffuse *= ambientOcclusion;
53	#if defined( USE_ENVMAP ) && defined( STANDARD )
54		float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );
55		reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );
56	#endif
57#endif`,f3=`#ifdef USE_AOMAP
58	uniform sampler2D aoMap;
59	uniform float aoMapIntensity;
60#endif`,m3="vec3 transformed = vec3( position );",g3=`vec3 objectNormal = vec3( normal );
61#ifdef USE_TANGENT
62	vec3 objectTangent = vec3( tangent.xyz );
63#endif`,v3=`vec3 BRDF_Lambert( const in vec3 diffuseColor ) {
64	return RECIPROCAL_PI * diffuseColor;
65}
66vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {
67	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );
68	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );
69}
70float F_Schlick( const in float f0, const in float f90, const in float dotVH ) {
71	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );
72	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );
73}
74vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {
75    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );
76    float x2 = x * x;
77    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );
78    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );
79}
80float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {
81	float a2 = pow2( alpha );
82	float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );
83	float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );
84	return 0.5 / max( gv + gl, EPSILON );
85}
86float D_GGX( const in float alpha, const in float dotNH ) {
87	float a2 = pow2( alpha );
88	float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;
89	return RECIPROCAL_PI * a2 / pow2( denom );
90}
91vec3 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 ) {
92	float alpha = pow2( roughness );
93	vec3 halfDir = normalize( lightDir + viewDir );
94	float dotNL = saturate( dot( normal, lightDir ) );
95	float dotNV = saturate( dot( normal, viewDir ) );
96	float dotNH = saturate( dot( normal, halfDir ) );
97	float dotVH = saturate( dot( viewDir, halfDir ) );
98	vec3 F = F_Schlick( f0, f90, dotVH );
99	float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
100	float D = D_GGX( alpha, dotNH );
101	return F * ( V * D );
102}
103#ifdef USE_IRIDESCENCE
104	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 ) {
105		float alpha = pow2( roughness );
106		vec3 halfDir = normalize( lightDir + viewDir );
107		float dotNL = saturate( dot( normal, lightDir ) );
108		float dotNV = saturate( dot( normal, viewDir ) );
109		float dotNH = saturate( dot( normal, halfDir ) );
110		float dotVH = saturate( dot( viewDir, halfDir ) );
111		vec3 F = mix( F_Schlick( f0, f90, dotVH ), iridescenceFresnel, iridescence );
112		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
113		float D = D_GGX( alpha, dotNH );
114		return F * ( V * D );
115	}
116#endif
117vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
118	const float LUT_SIZE = 64.0;
119	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
120	const float LUT_BIAS = 0.5 / LUT_SIZE;
121	float dotNV = saturate( dot( N, V ) );
122	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
123	uv = uv * LUT_SCALE + LUT_BIAS;
124	return uv;
125}
126float LTC_ClippedSphereFormFactor( const in vec3 f ) {
127	float l = length( f );
128	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
129}
130vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
131	float x = dot( v1, v2 );
132	float y = abs( x );
133	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
134	float b = 3.4175940 + ( 4.1616724 + y ) * y;
135	float v = a / b;
136	float theta_sintheta = ( x >

136 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;
137	return cross( v1, v2 ) * theta_sintheta;
138}
139vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {
140	vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];
141	vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];
142	vec3 lightNormal = cross( v1, v2 );
143	if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );
144	vec3 T1, T2;
145	T1 = normalize( V - N * dot( V, N ) );
146	T2 = - cross( N, T1 );
147	mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );
148	vec3 coords[ 4 ];
149	coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );
150	coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );
151	coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );
152	coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );
153	coords[ 0 ] = normalize( coords[ 0 ] );
154	coords[ 1 ] = normalize( coords[ 1 ] );
155	coords[ 2 ] = normalize( coords[ 2 ] );
156	coords[ 3 ] = normalize( coords[ 3 ] );
157	vec3 vectorFormFactor = vec3( 0.0 );
158	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );
159	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );
160	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );
161	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );
162	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );
163	return vec3( result );
164}
165float G_BlinnPhong_Implicit( ) {
166	return 0.25;
167}
168float D_BlinnPhong( const in float shininess, const in float dotNH ) {
169	return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );
170}
171vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {
172	vec3 halfDir = normalize( lightDir + viewDir );
173	float dotNH = saturate( dot( normal, halfDir ) );
174	float dotVH = saturate( dot( viewDir, halfDir ) );
175	vec3 F = F_Schlick( specularColor, 1.0, dotVH );
176	float G = G_BlinnPhong_Implicit( );
177	float D = D_BlinnPhong( shininess, dotNH );
178	return F * ( G * D );
179}
180#if defined( USE_SHEEN )
181float D_Charlie( float roughness, float dotNH ) {
182	float alpha = pow2( roughness );
183	float invAlpha = 1.0 / alpha;
184	float cos2h = dotNH * dotNH;
185	float sin2h = max( 1.0 - cos2h, 0.0078125 );
186	return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );
187}
188float V_Neubelt( float dotNV, float dotNL ) {
189	return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );
190}
191vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {
192	vec3 halfDir = normalize( lightDir + viewDir );
193	float dotNL = saturate( dot( normal, lightDir ) );
194	float dotNV = saturate( dot( normal, viewDir ) );
195	float dotNH = saturate( dot( normal, halfDir ) );
196	float D = D_Charlie( sheenRoughness, dotNH );
197	float V = V_Neubelt( dotNV, dotNL );
198	return sheenColor * ( D * V );
199}
200#endif`,y3=`#ifdef USE_IRIDESCENCE
201	const mat3 XYZ_TO_REC709 = mat3(
202		 3.2404542, -0.9692660,  0.0556434,
203		-1.5371385,  1.8760108, -0.2040259,
204		-0.4985314,  0.0415560,  1.0572252
205	);
206	vec3 Fresnel0ToIor( vec3 fresnel0 ) {
207		vec3 sqrtF0 = sqrt( fresnel0 );
208		return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );
209	}
210	vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {
211		return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );
212	}
213	float IorToFresnel0( float transmittedIor, float incidentIor ) {
214		return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));
215	}
216	vec3 evalSensitivity( float OPD, vec3 shift ) {
217		float phase = 2.0 * PI * OPD * 1.0e-9;
218		vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );
219		vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );
220		vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );
221		vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );
222		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 ) );
223		xyz /= 1.0685e-7;
224		vec3 rgb = XYZ_TO_REC709 * xyz;
225		return rgb;
226	}
227	vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {
228		vec3 I;
229		float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );
230		float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );
231		float cosTheta2Sq = 1.0 - sinTheta2Sq;
232		if ( cosTheta2Sq < 0.0 ) {
233			 return vec3( 1.0 );
234		}
235		float cosTheta2 = sqrt( cosTheta2Sq );
236		float R0 = IorToFresnel0( iridescenceIOR, outsideIOR );

237		float R12 = F_Schlick( R0, 1.0, cosTheta1 );
238		float R21 = R12;
239		float T121 = 1.0 - R12;
240		float phi12 = 0.0;
241		if ( iridescenceIOR < outsideIOR ) phi12 = PI;
242		float phi21 = PI - phi12;
243		vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );		vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );
244		vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );
245		vec3 phi23 = vec3( 0.0 );
246		if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;
247		if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;
248		if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;
249		float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;
250		vec3 phi = vec3( phi21 ) + phi23;
251		vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );
252		vec3 r123 = sqrt( R123 );
253		vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );
254		vec3 C0 = R12 + Rs;
255		I = C0;
256		vec3 Cm = Rs - T121;
257		for ( int m = 1; m <= 2; ++ m ) {
258			Cm *= r123;
259			vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );
260			I += Cm * Sm;
261		}
262		return max( I, vec3( 0.0 ) );
263	}
264#endif`,x3=`#ifdef USE_BUMPMAP
265	uniform sampler2D bumpMap;
266	uniform float bumpScale;
267	vec2 dHdxy_fwd() {
268		vec2 dSTdx = dFdx( vUv );
269		vec2 dSTdy = dFdy( vUv );
270		float Hll = bumpScale * texture2D( bumpMap, vUv ).x;
271		float dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;
272		float dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;
273		return vec2( dBx, dBy );
274	}
275	vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {
276		vec3 vSigmaX = dFdx( surf_pos.xyz );
277		vec3 vSigmaY = dFdy( surf_pos.xyz );
278		vec3 vN = surf_norm;
279		vec3 R1 = cross( vSigmaY, vN );
280		vec3 R2 = cross( vN, vSigmaX );
281		float fDet = dot( vSigmaX, R1 ) * faceDirection;
282		vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );
283		return normalize( abs( fDet ) * surf_norm - vGrad );
284	}
285#endif`,b3=`#if NUM_CLIPPING_PLANES > 0
286	vec4 plane;
287	#pragma unroll_loop_start
288	for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
289		plane = clippingPlanes[ i ];
290		if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;
291	}
292	#pragma unroll_loop_end
293	#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
294		bool clipped = true;
295		#pragma unroll_loop_start
296		for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {
297			plane = clippingPlanes[ i ];
298			clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;
299		}
300		#pragma unroll_loop_end
301		if ( clipped ) discard;
302	#endif
303#endif`,w3=`#if NUM_CLIPPING_PLANES > 0
304	varying vec3 vClipPosition;
305	uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];
306#endif`,S3=`#if NUM_CLIPPING_PLANES > 0
307	varying vec3 vClipPosition;
308#endif`,_3=`#if NUM_CLIPPING_PLANES > 0
309	vClipPosition = - mvPosition.xyz;
310#endif`,A3=`#if defined( USE_COLOR_ALPHA )
311	diffuseColor *= vColor;
312#elif defined( USE_COLOR )
313	diffuseColor.rgb *= vColor;
314#endif`,M3=`#if defined( USE_COLOR_ALPHA )
315	varying vec4 vColor;
316#elif defined( USE_COLOR )
317	varying vec3 vColor;
318#endif`,E3=`#if defined( USE_COLOR_ALPHA )
319	varying vec4 vColor;
320#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )
321	varying vec3 vColor;
322#endif`,C3=`#if defined( USE_COLOR_ALPHA )
323	vColor = vec4( 1.0 );
324#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )
325	vColor = vec3( 1.0 );
326#endif
327#ifdef USE_COLOR
328	vColor *= color;
329#endif
330#ifdef USE_INSTANCING_COLOR
331	vColor.xyz *= instanceColor.xyz;
332#endif`,T3=`#define PI 3.141592653589793
333#define PI2 6.283185307179586
334#define PI_HALF 1.5707963267948966
335#define RECIPROCAL_PI 0.3183098861837907
336#define RECIPROCAL_PI2 0.15915494309189535
337#define EPSILON 1e-6
338#ifndef saturate
339#define saturate( a ) clamp( a, 0.0, 1.0 )
340#endif
341#define whiteComplement( a ) ( 1.0 - saturate( a ) )
342float pow2( const in float x ) { return x*x; }
343vec3 pow2( const in vec3 x ) { return x*x; }
344float pow3( const in float x ) { return x*x*x; }
345float pow4( const in float x ) { float x2 = x*x; return x2*x2; }
346float max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }
347float average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }
348highp float rand( const in vec2 uv ) {
349	const highp float a = 12.9898, b = 78.233, c = 43758.5453;
350	highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
351	return fract( sin( sn ) * c );
352}
353#ifdef HIGH_PRECISION
354	float precisionSafeLength( vec3 v ) { return length( v ); }
355#else
356	float precisionSafeLength( vec3 v ) {
357		float maxComponent = max3( abs( v ) );
358		return length( v / maxComponent ) * maxComponent;
359	}
360#endif
361struct IncidentLight {
362	vec3 color;
363	vec3 direction;
364	bool visible;
365};
366struct ReflectedLight {
367	vec3 directDiffuse;
368	vec3 directSpecular;
369	vec3 indirectDiffuse;
370	vec3 indirectSpecular;
371};
372struct GeometricContext {
373	vec3 position;
374	vec3 normal;
375	vec3 viewDir;
376#ifdef USE_CLEARCOAT
377	vec3 clearcoatNormal;
378#endif
379};
380vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
381	return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
382}
383vec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {
384	return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );
385}
386mat3 transposeMat3( const in mat3 m ) {
387	mat3 tmp;
388	tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );
389	tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );
390	tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );
391	return tmp;
392}
393float luminance( const in vec3 rgb ) {
394	const vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );
395	return dot( weights, rgb );
396}
397bool isPerspectiveMatrix( mat4 m ) {
398	return m[ 2 ][ 3 ] == - 1.0;
399}
400vec2 equirectUv( in vec3 dir ) {
401	float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;
402	float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;
403	return vec2( u, v );
404}`,P3=`#ifdef ENVMAP_TYPE_CUBE_UV
405	#define cubeUV_minMipLevel 4.0
406	#define cubeUV_minTileSize 16.0
407	float getFace( vec3 direction ) {
408		vec3 absDirection = abs( direction );
409		float face = - 1.0;
410		if ( absDirection.x > absDirection.z ) {
411			if ( absDirection.x > absDirection.y )
412				face = direction.x > 0.0 ? 0.0 : 3.0;
413			else
414				face = direction.y > 0.0 ? 1.0 : 4.0;
415		} else {
416			if ( absDirection.z > absDirection.y )
417				face = direction.z > 0.0 ? 2.0 : 5.0;
418			else
419				face = direction.y > 0.0 ? 1.0 : 4.0;
420		}
421		return face;
422	}
423	vec2 getUV( vec3 direction, float face ) {
424		vec2 uv;
425		if ( face == 0.0 ) {
426			uv = vec2( direction.z, direction.y ) / abs( direction.x );
427		} else if ( face == 1.0 ) {
428			uv = vec2( - direction.x, - direction.z ) / abs( direction.y );
429		} else if ( face == 2.0 ) {
430			uv = vec2( - direction.x, direction.y ) / abs( direction.z );
431		} else if ( face == 3.0 ) {
432			uv = vec2( - direction.z, direction.y ) / abs( direction.x );
433		} else if ( face == 4.0 ) {
434			uv = vec2( - direction.x, direction.z ) / abs( direction.y );
435		} else {
436			uv = vec2( direction.x, direction.y ) / abs( direction.z );
437		}
438		return 0.5 * ( uv + 1.0 );
439	}
440	vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {
441		float face = getFace( direction );
442		float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );
443		mipInt = max( mipInt, cubeUV_minMipLevel );
444		float faceSize = exp2( mipInt );

445		highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;
446		if ( face > 2.0 ) {
447			uv.y += faceSize;
448			face -= 3.0;
449		}
450		uv.x += face * faceSize;
451		uv.x += filterInt * 3.0 * cubeUV_minTileSize;
452		uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );
453		uv.x *= CUBEUV_TEXEL_WIDTH;
454		uv.y *= CUBEUV_TEXEL_HEIGHT;
455		#ifdef texture2DGradEXT
456			return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;
457		#else
458			return texture2D( envMap, uv ).rgb;
459		#endif
460	}
461	#define cubeUV_r0 1.0
462	#define cubeUV_v0 0.339
463	#define cubeUV_m0 - 2.0
464	#define cubeUV_r1 0.8
465	#define cubeUV_v1 0.276
466	#define cubeUV_m1 - 1.0
467	#define cubeUV_r4 0.4
468	#define cubeUV_v4 0.046
469	#define cubeUV_m4 2.0
470	#define cubeUV_r5 0.305
471	#define cubeUV_v5 0.016
472	#define cubeUV_m5 3.0
473	#define cubeUV_r6 0.21
474	#define cubeUV_v6 0.0038
475	#define cubeUV_m6 4.0
476	float roughnessToMip( float roughness ) {
477		float mip = 0.0;
478		if ( roughness >= cubeUV_r1 ) {
479			mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;
480		} else if ( roughness >= cubeUV_r4 ) {
481			mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;
482		} else if ( roughness >= cubeUV_r5 ) {
483			mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;
484		} else if ( roughness >= cubeUV_r6 ) {
485			mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;
486		} else {
487			mip = - 2.0 * log2( 1.16 * roughness );		}
488		return mip;
489	}
490	vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {
491		float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );
492		float mipF = fract( mip );
493		float mipInt = floor( mip );
494		vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );
495		if ( mipF == 0.0 ) {
496			return vec4( color0, 1.0 );
497		} else {
498			vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );
499			return vec4( mix( color0, color1, mipF ), 1.0 );
500		}
501	}
502#endif`,D3=`vec3 transformedNormal = objectNormal;
503#ifdef USE_INSTANCING
504	mat3 m = mat3( instanceMatrix );
505	transformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );
506	transformedNormal = m * transformedNormal;
507#endif
508transformedNormal = normalMatrix * transformedNormal;
509#ifdef FLIP_SIDED
510	transformedNormal = - transformedNormal;
511#endif
512#ifdef USE_TANGENT
513	vec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;
514	#ifdef FLIP_SIDED
515		transformedTangent = - transformedTangent;
516	#endif
517#endif`,I3=`#ifdef USE_DISPLACEMENTMAP
518	uniform sampler2D displacementMap;
519	uniform float displacementScale;
520	uniform float displacementBias;
521#endif`,O3=`#ifdef USE_DISPLACEMENTMAP
522	transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );
523#endif`,R3=`#ifdef USE_EMISSIVEMAP
524	vec4 emissiveColor = texture2D( emissiveMap, vUv );
525	totalEmissiveRadiance *= emissiveColor.rgb;
526#endif`,L3=`#ifdef USE_EMISSIVEMAP
527	uniform sampler2D emissiveMap;
528#endif`,B3="gl_FragColor = linearToOutputTexel( gl_FragColor );",z3=`vec4 LinearToLinear( in vec4 value ) {
529	return value;
530}
531vec4 LinearTosRGB( in vec4 value ) {
532	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 );
533}`,F3=`#ifdef USE_ENVMAP
534	#ifdef ENV_WORLDPOS
535		vec3 cameraToFrag;
536		if ( isOrthographic ) {
537			cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );
538		} else {
539			cameraToFrag = normalize( vWorldPosition - cameraPosition );
540		}
541		vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
542		#ifdef ENVMAP_MODE_REFLECTION
543			vec3 reflectVec = reflect( cameraToFrag, worldNormal );
544		#else
545			vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );
546		#endif
547	#else
548		vec3 reflectVec = vReflect;
549	#endif
550	#ifdef ENVMAP_TYPE_CUBE
551		vec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );
552	#else
553		vec4 envColor = vec4( 0.0 );
554	#endif
555	#ifdef ENVMAP_BLENDING_MULTIPLY
556		outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );
557	#elif defined( ENVMAP_BLENDING_MIX )
558		outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );
559	#elif defined( ENVMAP_BLENDING_ADD )
560		outgoingLight += envColor.xyz * specularStrength * reflectivity;
561	#endif
562#endif`,k3=`#ifdef USE_ENVMAP
563	uniform float envMapIntensity;
564	uniform float flipEnvMap;
565	#ifdef ENVMAP_TYPE_CUBE
566		uniform samplerCube envMap;
567	#else
568		uniform sampler2D envMap;
569	#endif
570	
571#endif`,U3=`#ifdef USE_ENVMAP
572	uniform float reflectivity;
573	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )
574		#define ENV_WORLDPOS
575	#endif
576	#ifdef ENV_WORLDPOS
577		varying vec3 vWorldPosition;
578		uniform float refractionRatio;
579	#else
580		varying vec3 vReflect;
581	#endif
582#endif`,N3=`#ifdef USE_ENVMAP
583	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )
584		#define ENV_WORLDPOS
585	#endif
586	#ifdef ENV_WORLDPOS
587		
588		varying vec3 vWorldPosition;
589	#else
590		varying vec3 vReflect;
591		uniform float refractionRatio;
592	#endif
593#endif`,V3=`#ifdef USE_ENVMAP
594	#ifdef ENV_WORLDPOS
595		vWorldPosition = worldPosition.xyz;
596	#else
597		vec3 cameraToVertex;
598		if ( isOrthographic ) {
599			cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );
600		} else {

601			cameraToVertex = normalize( worldPosition.xyz - cameraPosition );
602		}
603		vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
604		#ifdef ENVMAP_MODE_REFLECTION
605			vReflect = reflect( cameraToVertex, worldNormal );
606		#else
607			vReflect = refract( cameraToVertex, worldNormal, refractionRatio );
608		#endif
609	#endif
610#endif`,j3=`#ifdef USE_FOG
611	vFogDepth = - mvPosition.z;
612#endif`,G3=`#ifdef USE_FOG
613	varying float vFogDepth;
614#endif`,H3=`#ifdef USE_FOG
615	#ifdef FOG_EXP2
616		float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );
617	#else
618		float fogFactor = smoothstep( fogNear, fogFar, vFogDepth );
619	#endif
620	gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );
621#endif`,W3=`#ifdef USE_FOG
622	uniform vec3 fogColor;
623	varying float vFogDepth;
624	#ifdef FOG_EXP2
625		uniform float fogDensity;
626	#else
627		uniform float fogNear;
628		uniform float fogFar;
629	#endif
630#endif`,q3=`#ifdef USE_GRADIENTMAP
631	uniform sampler2D gradientMap;
632#endif
633vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {
634	float dotNL = dot( normal, lightDirection );
635	vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );
636	#ifdef USE_GRADIENTMAP
637		return vec3( texture2D( gradientMap, coord ).r );
638	#else
639		vec2 fw = fwidth( coord ) * 0.5;
640		return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );
641	#endif
642}`,X3=`#ifdef USE_LIGHTMAP
643	vec4 lightMapTexel = texture2D( lightMap, vUv2 );
644	vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;
645	reflectedLight.indirectDiffuse += lightMapIrradiance;
646#endif`,Y3=`#ifdef USE_LIGHTMAP
647	uniform sampler2D lightMap;
648	uniform float lightMapIntensity;
649#endif`,Q3=`LambertMaterial material;
650material.diffuseColor = diffuseColor.rgb;
651material.specularStrength = specularStrength;`,Z3=`varying vec3 vViewPosition;
652struct LambertMaterial {
653	vec3 diffuseColor;
654	float specularStrength;
655};
656void RE_Direct_Lambert( const in IncidentLight directLight, const in GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {
657	float dotNL = saturate( dot( geometry.normal, directLight.direction ) );
658	vec3 irradiance = dotNL * directLight.color;
659	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
660}
661void RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {
662	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
663}
664#define RE_Direct				RE_Direct_Lambert
665#define RE_IndirectDiffuse		RE_IndirectDiffuse_Lambert`,K3=`uniform bool receiveShadow;
666uniform vec3 ambientLightColor;
667uniform vec3 lightProbe[ 9 ];
668vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {
669	float x = normal.x, y = normal.y, z = normal.z;
670	vec3 result = shCoefficients[ 0 ] * 0.886227;
671	result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;
672	result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;
673	result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;
674	result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;
675	result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;
676	result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );
677	result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;
678	result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );
679	return result;
680}
681vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {
682	vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
683	vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );
684	return irradiance;
685}
686vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {
687	vec3 irradiance = ambientLightColor;
688	return irradiance;
689}
690float getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {
691	#if defined ( PHYSICALLY_CORRECT_LIGHTS )
692		float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );
693		if ( cutoffDistance > 0.0 ) {
694			distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );
695		}
696		return distanceFalloff;
697	#else
698		if ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {
699			return pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );
700		}
701		return 1.0;
702	#endif
703}
704float getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {
705	return smoothstep( coneCosine, penumbraCosine, angleCosine );
706}
707#if NUM_DIR_LIGHTS > 0
708	struct DirectionalLight {
709		vec3 direction;
710		vec3 color;
711	};
712	uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];
713	void getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {
714		light.color = directionalLight.color;
715		light.direction = directionalLight.direction;
716		light.visible = true;
717	}
718#endif
719#if NUM_POINT_LIGHTS > 0
720	struct PointLight {
721		vec3 position;
722		vec3 color;
723		float distance;
724		float decay;
725	};
726	uniform PointLight pointLights[ NUM_POINT_LIGHTS ];
727	void getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {
728		vec3 lVector = pointLight.position - geometry.position;
729		light.direction = normalize( lVector );
730		float lightDistance = length( lVector );
731		light.color = pointLight.color;
732		light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );
733		light.visible = ( light.color != vec3( 0.0 ) );
734	}
735#endif

736#if NUM_SPOT_LIGHTS > 0
737	struct SpotLight {
738		vec3 position;
739		vec3 direction;
740		vec3 color;
741		float distance;
742		float decay;
743		float coneCos;
744		float penumbraCos;
745	};
746	uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];
747	void getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {
748		vec3 lVector = spotLight.position - geometry.position;
749		light.direction = normalize( lVector );
750		float angleCos = dot( light.direction, spotLight.direction );
751		float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );
752		if ( spotAttenuation > 0.0 ) {
753			float lightDistance = length( lVector );
754			light.color = spotLight.color * spotAttenuation;
755			light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );
756			light.visible = ( light.color != vec3( 0.0 ) );
757		} else {
758			light.color = vec3( 0.0 );
759			light.visible = false;
760		}
761	}
762#endif
763#if NUM_RECT_AREA_LIGHTS > 0
764	struct RectAreaLight {
765		vec3 color;
766		vec3 position;
767		vec3 halfWidth;
768		vec3 halfHeight;
769	};
770	uniform sampler2D ltc_1;	uniform sampler2D ltc_2;
771	uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];
772#endif
773#if NUM_HEMI_LIGHTS > 0
774	struct HemisphereLight {
775		vec3 direction;
776		vec3 skyColor;
777		vec3 groundColor;
778	};
779	uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];
780	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {
781		float dotNL = dot( normal, hemiLight.direction );
782		float hemiDiffuseWeight = 0.5 * dotNL + 0.5;
783		vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );
784		return irradiance;
785	}
786#endif`,J3=`#if defined( USE_ENVMAP )
787	vec3 getIBLIrradiance( const in vec3 normal ) {
788		#if defined( ENVMAP_TYPE_CUBE_UV )
789			vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
790			vec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );
791			return PI * envMapColor.rgb * envMapIntensity;
792		#else
793			return vec3( 0.0 );
794		#endif
795	}
796	vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {
797		#if defined( ENVMAP_TYPE_CUBE_UV )
798			vec3 reflectVec = reflect( - viewDir, normal );
799			reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );
800			reflectVec = inverseTransformDirection( reflectVec, viewMatrix );
801			vec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );
802			return envMapColor.rgb * envMapIntensity;
803		#else
804			return vec3( 0.0 );
805		#endif
806	}
807#endif`,$3=`ToonMaterial material;
808material.diffuseColor = diffuseColor.rgb;`,eI=`varying vec3 vViewPosition;
809struct ToonMaterial {
810	vec3 diffuseColor;
811};
812void RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {
813	vec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;
814	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
815}
816void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {
817	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
818}
819#define RE_Direct				RE_Direct_Toon
820#define RE_IndirectDiffuse		RE_IndirectDiffuse_Toon`,tI=`BlinnPhongMaterial material;
821material.diffuseColor = diffuseColor.rgb;
822material.specularColor = specular;
823material.specularShininess = shininess;
824material.specularStrength = specularStrength;`,iI=`varying vec3 vViewPosition;
825struct BlinnPhongMaterial {
826	vec3 diffuseColor;
827	vec3 specularColor;
828	float specularShininess;
829	float specularStrength;
830};
831void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
832	float dotNL = saturate( dot( geometry.normal, directLight.direction ) );
833	vec3 irradiance = dotNL * directLight.color;
834	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
835	reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;
836}
837void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
838	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
839}
840#define RE_Direct				RE_Direct_BlinnPhong
841#define RE_IndirectDiffuse		RE_IndirectDiffuse_BlinnPhong`,rI=`PhysicalMaterial material;
842material.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );
843vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );
844float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );
845material.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;
846material.roughness = min( material.roughness, 1.0 );
847#ifdef IOR
848	material.ior = ior;
849	#ifdef SPECULAR
850		float specularIntensityFactor = specularIntensity;
851		vec3 specularColorFactor = specularColor;
852		#ifdef USE_SPECULARINTENSITYMAP
853			specularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;
854		#endif
855		#ifdef USE_SPECULARCOLORMAP
856			specularColorFactor *= texture2D( specularColorMap, vUv ).rgb;
857		#endif
858		material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );
859	#else
860		float specularIntensityFactor = 1.0;
861		vec3 specularColorFactor = vec3( 1.0 );
862		material.specularF90 = 1.0;
863	#endif
864	material.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );
865#else
866	material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );
867	material.specularF90 = 1.0;
868#endif
869#ifdef USE_CLEARCOAT
870	material.clearcoat = clearcoat;
871	material.clearcoatRoughness = clearcoatRoughness;
872	material.clearcoatF0 = vec3( 0.04 );
873	material.clearcoatF90 = 1.0;
874	#ifdef USE_CLEARCOATMAP
875		material.clearcoat *= texture2D( clearcoatMap, vUv ).x;
876	#endif
877	#ifdef USE_CLEARCOAT_ROUGHNESSMAP
878		material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;
879	#endif
880	material.clearcoat = saturate( material.clearcoat );	material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );
881	material.clearcoatRoughness += geometryRoughness;
882	material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );
883#endif

884#ifdef USE_IRIDESCENCE
885	material.iridescence = iridescence;
886	material.iridescenceIOR = iridescenceIOR;
887	#ifdef USE_IRIDESCENCEMAP
888		material.iridescence *= texture2D( iridescenceMap, vUv ).r;
889	#endif
890	#ifdef USE_IRIDESCENCE_THICKNESSMAP
891		material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vUv ).g + iridescenceThicknessMinimum;
892	#else
893		material.iridescenceThickness = iridescenceThicknessMaximum;
894	#endif
895#endif
896#ifdef USE_SHEEN
897	material.sheenColor = sheenColor;
898	#ifdef USE_SHEENCOLORMAP
899		material.sheenColor *= texture2D( sheenColorMap, vUv ).rgb;
900	#endif
901	material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );
902	#ifdef USE_SHEENROUGHNESSMAP
903		material.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;
904	#endif
905#endif`,sI=`struct PhysicalMaterial {
906	vec3 diffuseColor;
907	float roughness;
908	vec3 specularColor;
909	float specularF90;
910	#ifdef USE_CLEARCOAT
911		float clearcoat;
912		float clearcoatRoughness;
913		vec3 clearcoatF0;
914		float clearcoatF90;
915	#endif
916	#ifdef USE_IRIDESCENCE
917		float iridescence;
918		float iridescenceIOR;
919		float iridescenceThickness;
920		vec3 iridescenceFresnel;
921		vec3 iridescenceF0;
922	#endif
923	#ifdef USE_SHEEN
924		vec3 sheenColor;
925		float sheenRoughness;
926	#endif
927	#ifdef IOR
928		float ior;
929	#endif
930	#ifdef USE_TRANSMISSION
931		float transmission;
932		float transmissionAlpha;
933		float thickness;
934		float attenuationDistance;
935		vec3 attenuationColor;
936	#endif
937};
938vec3 clearcoatSpecular = vec3( 0.0 );
939vec3 sheenSpecular = vec3( 0.0 );
940float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
941	float dotNV = saturate( dot( normal, viewDir ) );
942	float r2 = roughness * roughness;
943	float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;
944	float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;
945	float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );
946	return saturate( DG * RECIPROCAL_PI );
947}
948vec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
949	float dotNV = saturate( dot( normal, viewDir ) );
950	const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );
951	const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );
952	vec4 r = roughness * c0 + c1;
953	float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;
954	vec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;
955	return fab;
956}
957vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {
958	vec2 fab = DFGApprox( normal, viewDir, roughness );
959	return specularColor * fab.x + specularF90 * fab.y;
960}
961#ifdef USE_IRIDESCENCE
962void 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 ) {
963#else
964void 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 ) {
965#endif
966	vec2 fab = DFGApprox( normal, viewDir, roughness );
967	#ifdef USE_IRIDESCENCE
968		vec3 Fr = mix( specularColor, iridescenceF0, iridescence );
969	#else
970		vec3 Fr = specularColor;
971	#endif
972	vec3 FssEss = Fr * fab.x + specularF90 * fab.y;
973	float Ess = fab.x + fab.y;
974	float Ems = 1.0 - Ess;
975	vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;	vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );
976	singleScatter += FssEss;
977	multiScatter += Fms * Ems;
978}
979#if NUM_RECT_AREA_LIGHTS > 0
980	void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
981		vec3 normal = geometry.normal;
982		vec3 viewDir = geometry.viewDir;
983		vec3 position = geometry.position;
984		vec3 lightPos = rectAreaLight.position;
985		vec3 halfWidth = rectAreaLight.halfWidth;
986		vec3 halfHeight = rectAreaLight.halfHeight;
987		vec3 lightColor = rectAreaLight.color;
988		float roughness = material.roughness;
989		vec3 rectCoords[ 4 ];
990		rectCoords[ 0 ] = lightPos + halfWidth - halfHeight;		rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;
991		rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;
992		rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;
993		vec2 uv = LTC_Uv( normal, viewDir, roughness );
994		vec4 t1 = texture2D( ltc_1, uv );
995		vec4 t2 = texture2D( ltc_2, uv );
996		mat3 mInv = mat3(
997			vec3( t1.x, 0, t1.y ),
998			vec3(    0, 1,    0 ),
999			vec3( t1.z, 0, t1.w )
1000		);
1001		vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );
1002		reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );
1003		reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );
1004	}
1005#endif
1006void RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {

1007	float dotNL = saturate( dot( geometry.normal, directLight.direction ) );
1008	vec3 irradiance = dotNL * directLight.color;
1009	#ifdef USE_CLEARCOAT
1010		float dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );
1011		vec3 ccIrradiance = dotNLcc * directLight.color;
1012		clearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
1013	#endif
1014	#ifdef USE_SHEEN
1015		sheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );
1016	#endif
1017	#ifdef USE_IRIDESCENCE
1018		reflectedLight.directSpecular += irradiance * BRDF_GGX_Iridescence( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness );
1019	#else
1020		reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );
1021	#endif
1022	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1023}
1024void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1025	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1026}
1027void 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) {
1028	#ifdef USE_CLEARCOAT
1029		clearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
1030	#endif
1031	#ifdef USE_SHEEN
1032		sheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );
1033	#endif
1034	vec3 singleScattering = vec3( 0.0 );
1035	vec3 multiScattering = vec3( 0.0 );
1036	vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;
1037	#ifdef USE_IRIDESCENCE
1038		computeMultiscatteringIridescence( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );
1039	#else
1040		computeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );
1041	#endif
1042	vec3 totalScattering = singleScattering + multiScattering;
1043	vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );
1044	reflectedLight.indirectSpecular += radiance * singleScattering;
1045	reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;
1046	reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;
1047}
1048#define RE_Direct				RE_Direct_Physical
1049#define RE_Direct_RectArea		RE_Direct_RectArea_Physical
1050#define RE_IndirectDiffuse		RE_IndirectDiffuse_Physical
1051#define RE_IndirectSpecular		RE_IndirectSpecular_Physical
1052float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {
1053	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );
1054}`,aI=`
1055GeometricContext geometry;
1056geometry.position = - vViewPosition;
1057geometry.normal = normal;
1058geometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );
1059#ifdef USE_CLEARCOAT
1060	geometry.clearcoatNormal = clearcoatNormal;
1061#endif
1062#ifdef USE_IRIDESCENCE
1063	float dotNVi = saturate( dot( normal, geometry.viewDir ) );
1064	if ( material.iridescenceThickness == 0.0 ) {
1065		material.iridescence = 0.0;
1066	} else {
1067		material.iridescence = saturate( material.iridescence );
1068	}
1069	if ( material.iridescence > 0.0 ) {
1070		material.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );
1071		material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );
1072	}
1073#endif
1074IncidentLight directLight;
1075#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )
1076	PointLight pointLight;
1077	#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0
1078	PointLightShadow pointLightShadow;
1079	#endif
1080	#pragma unroll_loop_start
1081	for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {
1082		pointLight = pointLights[ i ];
1083		getPointLightInfo( pointLight, geometry, directLight );
1084		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )
1085		pointLightShadow = pointLightShadows[ i ];
1086		directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;
1087		#endif
1088		RE_Direct( directLight, geometry, material, reflectedLight );
1089	}
1090	#pragma unroll_loop_end
1091#endif

1092#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )
1093	SpotLight spotLight;
1094	vec4 spotColor;
1095	vec3 spotLightCoord;
1096	bool inSpotLightMap;
1097	#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0
1098	SpotLightShadow spotLightShadow;
1099	#endif
1100	#pragma unroll_loop_start
1101	for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {
1102		spotLight = spotLights[ i ];
1103		getSpotLightInfo( spotLight, geometry, directLight );
1104		#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1105		#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX
1106		#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1107		#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS
1108		#else
1109		#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1110		#endif
1111		#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )
1112			spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;
1113			inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );
1114			spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );
1115			directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;
1116		#endif
1117		#undef SPOT_LIGHT_MAP_INDEX
1118		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1119		spotLightShadow = spotLightShadows[ i ];
1120		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
1121		#endif
1122		RE_Direct( directLight, geometry, material, reflectedLight );
1123	}
1124	#pragma unroll_loop_end
1125#endif
1126#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )
1127	DirectionalLight directionalLight;
1128	#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0
1129	DirectionalLightShadow directionalLightShadow;
1130	#endif
1131	#pragma unroll_loop_start
1132	for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {
1133		directionalLight = directionalLights[ i ];
1134		getDirectionalLightInfo( directionalLight, geometry, directLight );
1135		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )
1136		directionalLightShadow = directionalLightShadows[ i ];
1137		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
1138		#endif
1139		RE_Direct( directLight, geometry, material, reflectedLight );
1140	}
1141	#pragma unroll_loop_end
1142#endif
1143#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )
1144	RectAreaLight rectAreaLight;
1145	#pragma unroll_loop_start
1146	for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {
1147		rectAreaLight = rectAreaLights[ i ];
1148		RE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );
1149	}
1150	#pragma unroll_loop_end
1151#endif
1152#if defined( RE_IndirectDiffuse )
1153	vec3 iblIrradiance = vec3( 0.0 );
1154	vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );
1155	irradiance += getLightProbeIrradiance( lightProbe, geometry.normal );
1156	#if ( NUM_HEMI_LIGHTS > 0 )
1157		#pragma unroll_loop_start
1158		for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {
1159			irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );
1160		}
1161		#pragma unroll_loop_end
1162	#endif
1163#endif
1164#if defined( RE_IndirectSpecular )
1165	vec3 radiance = vec3( 0.0 );
1166	vec3 clearcoatRadiance = vec3( 0.0 );
1167#endif`,nI=`#if defined( RE_IndirectDiffuse )
1168	#ifdef USE_LIGHTMAP
1169		vec4 lightMapTexel = texture2D( lightMap, vUv2 );
1170		vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;
1171		irradiance += lightMapIrradiance;
1172	#endif
1173	#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )
1174		iblIrradiance += getIBLIrradiance( geometry.normal );
1175	#endif
1176#endif
1177#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )
1178	radiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );
1179	#ifdef USE_CLEARCOAT
1180		clearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );
1181	#endif
1182#endif`,oI=`#if defined( RE_IndirectDiffuse )
1183	RE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );
1184#endif
1185#if defined( RE_IndirectSpecular )
1186	RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );
1187#endif`,lI=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )
1188	gl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;
1189#endif`,hI=`#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )
1190	uniform float logDepthBufFC;
1191	varying float vFragDepth;
1192	varying float vIsPerspective;
1193#endif`,cI=`#ifdef USE_LOGDEPTHBUF
1194	#ifdef USE_LOGDEPTHBUF_EXT
1195		varying float vFragDepth;
1196		varying float vIsPerspective;
1197	#else
1198		uniform float logDepthBufFC;
1199	#endif
1200#endif`,dI=`#ifdef USE_LOGDEPTHBUF
1201	#ifdef USE_LOGDEPTHBUF_EXT
1202		vFragDepth = 1.0 + gl_Position.w;
1203		vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );
1204	#else
1205		if ( isPerspectiveMatrix( projectionMatrix ) ) {
1206			gl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;
1207			gl_Position.z *= gl_Position.w;
1208		}
1209	#endif
1210#endif`,uI=`#ifdef USE_MAP
1211	vec4 sampledDiffuseColor = texture2D( map, vUv );
1212	#ifdef DECODE_VIDEO_TEXTURE
1213		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 );
1214	#endif
1215	diffuseColor *= sampledDiffuseColor;
1216#endif`,pI=`#ifdef USE_MAP
1217	uniform sampler2D map;
1218#endif`,fI=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
1219	vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;
1220#endif
1221#ifdef USE_MAP
1222	diffuseColor *= texture2D( map, uv );
1223#endif
1224#ifdef USE_ALPHAMAP
1225	diffuseColor.a *= texture2D( alphaMap, uv ).g;
1226#endif`,mI=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
1227	uniform mat3 uvTransform;
1228#endif
1229#ifdef USE_MAP
1230	uniform sampler2D map;
1231#endif
1232#ifdef USE_ALPHAMAP
1233	uniform sampler2D alphaMap;
1234#endif`,gI=`float metalnessFactor = metalness;
1235#ifdef USE_METALNESSMAP
1236	vec4 texelMetalness = texture2D( metalnessMap, vUv );
1237	metalnessFactor *= texelMetalness.b;
1238#endif`,vI=`#ifdef USE_METALNESSMAP
1239	uniform sampler2D metalnessMap;
1240#endif`,yI=`#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )
1241	vColor *= morphTargetBaseInfluence;
1242	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1243		#if defined( USE_COLOR_ALPHA )
1244			if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];
1245		#elif defined( USE_COLOR )
1246			if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];
1247		#endif
1248	}
1249#endif`,xI=`#ifdef USE_MORPHNORMALS
1250	objectNormal *= morphTargetBaseInfluence;
1251	#ifdef MORPHTARGETS_TEXTURE
1252		for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1253			if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];
1254		}
1255	#else
1256		objectNormal += morphNormal0 * morphTargetInfluences[ 0 ];
1257		objectNormal += morphNormal1 * morphTargetInfluences[ 1 ];
1258		objectNormal += morphNormal2 * morphTargetInfluences[ 2 ];
1259		objectNormal += morphNormal3 * morphTargetInfluences[ 3 ];
1260	#endif
1261#endif`,bI=`#ifdef USE_MORPHTARGETS
1262	uniform float morphTargetBaseInfluence;
1263	#ifdef MORPHTARGETS_TEXTURE
1264		uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];
1265		uniform sampler2DArray morphTargetsTexture;
1266		uniform ivec2 morphTargetsTextureSize;
1267		vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {
1268			int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;
1269			int y = texelIndex / morphTargetsTextureSize.x;
1270			int x = texelIndex - y * morphTargetsTextureSize.x;
1271			ivec3 morphUV = ivec3( x, y, morphTargetIndex );
1272			return texelFetch( morphTargetsTexture, morphUV, 0 );
1273		}
1274	#else
1275		#ifndef USE_MORPHNORMALS
1276			uniform float morphTargetInfluences[ 8 ];
1277		#else
1278			uniform float morphTargetInfluences[ 4 ];
1279		#endif
1280	#endif
1281#endif`,wI=`#ifdef USE_MORPHTARGETS
1282	transformed *= morphTargetBaseInfluence;
1283	#ifdef MORPHTARGETS_TEXTURE
1284		for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1285			if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];
1286		}
1287	#else
1288		transformed += morphTarget0 * morphTargetInfluences[ 0 ];
1289		transformed += morphTarget1 * morphTargetInfluences[ 1 ];
1290		transformed += morphTarget2 * morphTargetInfluences[ 2 ];
1291		transformed += morphTarget3 * morphTargetInfluences[ 3 ];
1292		#ifndef USE_MORPHNORMALS
1293			transformed += morphTarget4 * morphTargetInfluences[ 4 ];
1294			transformed += morphTarget5 * morphTargetInfluences[ 5 ];
1295			transformed += morphTarget6 * morphTargetInfluences[ 6 ];
1296			transformed += morphTarget7 * morphTargetInfluences[ 7 ];
1297		#endif
1298	#endif
1299#endif`,SI=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;
1300#ifdef FLAT_SHADED
1301	vec3 fdx = dFdx( vViewPosition );
1302	vec3 fdy = dFdy( vViewPosition );
1303	vec3 normal = normalize( cross( fdx, fdy ) );
1304#else
1305	vec3 normal = normalize( vNormal );
1306	#ifdef DOUBLE_SIDED
1307		normal = normal * faceDirection;
1308	#endif
1309	#ifdef USE_TANGENT
1310		vec3 tangent = normalize( vTangent );
1311		vec3 bitangent = normalize( vBitangent );
1312		#ifdef DOUBLE_SIDED
1313			tangent = tangent * faceDirection;
1314			bitangent = bitangent * faceDirection;
1315		#endif
1316		#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )
1317			mat3 vTBN = mat3( tangent, bitangent, normal );
1318		#endif
1319	#endif
1320#endif
1321vec3 geometryNormal = normal;`,_I=`#ifdef OBJECTSPACE_NORMALMAP
1322	normal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;
1323	#ifdef FLIP_SIDED
1324		normal = - normal;
1325	#endif
1326	#ifdef DOUBLE_SIDED
1327		normal = normal * faceDirection;
1328	#endif
1329	normal = normalize( normalMatrix * normal );
1330#elif defined( TANGENTSPACE_NORMALMAP )
1331	vec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;
1332	mapN.xy *= normalScale;
1333	#ifdef USE_TANGENT
1334		normal = normalize( vTBN * mapN );
1335	#else

1336		normal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );
1337	#endif
1338#elif defined( USE_BUMPMAP )
1339	normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );
1340#endif`,AI=`#ifndef FLAT_SHADED
1341	varying vec3 vNormal;
1342	#ifdef USE_TANGENT
1343		varying vec3 vTangent;
1344		varying vec3 vBitangent;
1345	#endif
1346#endif`,MI=`#ifndef FLAT_SHADED
1347	varying vec3 vNormal;
1348	#ifdef USE_TANGENT
1349		varying vec3 vTangent;
1350		varying vec3 vBitangent;
1351	#endif
1352#endif`,EI=`#ifndef FLAT_SHADED
1353	vNormal = normalize( transformedNormal );
1354	#ifdef USE_TANGENT
1355		vTangent = normalize( transformedTangent );
1356		vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );
1357	#endif
1358#endif`,CI=`#ifdef USE_NORMALMAP
1359	uniform sampler2D normalMap;
1360	uniform vec2 normalScale;
1361#endif
1362#ifdef OBJECTSPACE_NORMALMAP
1363	uniform mat3 normalMatrix;
1364#endif
1365#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )
1366	vec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {
1367		vec3 q0 = dFdx( eye_pos.xyz );
1368		vec3 q1 = dFdy( eye_pos.xyz );
1369		vec2 st0 = dFdx( vUv.st );
1370		vec2 st1 = dFdy( vUv.st );
1371		vec3 N = surf_norm;
1372		vec3 q1perp = cross( q1, N );
1373		vec3 q0perp = cross( N, q0 );
1374		vec3 T = q1perp * st0.x + q0perp * st1.x;
1375		vec3 B = q1perp * st0.y + q0perp * st1.y;
1376		float det = max( dot( T, T ), dot( B, B ) );
1377		float scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );
1378		return normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );
1379	}
1380#endif`,TI=`#ifdef USE_CLEARCOAT
1381	vec3 clearcoatNormal = geometryNormal;
1382#endif`,PI=`#ifdef USE_CLEARCOAT_NORMALMAP
1383	vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;
1384	clearcoatMapN.xy *= clearcoatNormalScale;
1385	#ifdef USE_TANGENT
1386		clearcoatNormal = normalize( vTBN * clearcoatMapN );
1387	#else
1388		clearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );
1389	#endif
1390#endif`,DI=`#ifdef USE_CLEARCOATMAP
1391	uniform sampler2D clearcoatMap;
1392#endif
1393#ifdef USE_CLEARCOAT_ROUGHNESSMAP
1394	uniform sampler2D clearcoatRoughnessMap;
1395#endif
1396#ifdef USE_CLEARCOAT_NORMALMAP
1397	uniform sampler2D clearcoatNormalMap;
1398	uniform vec2 clearcoatNormalScale;
1399#endif`,II=`#ifdef USE_IRIDESCENCEMAP
1400	uniform sampler2D iridescenceMap;
1401#endif
1402#ifdef USE_IRIDESCENCE_THICKNESSMAP
1403	uniform sampler2D iridescenceThicknessMap;
1404#endif`,OI=`#ifdef OPAQUE
1405diffuseColor.a = 1.0;
1406#endif
1407#ifdef USE_TRANSMISSION
1408diffuseColor.a *= material.transmissionAlpha + 0.1;
1409#endif
1410gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,RI=`vec3 packNormalToRGB( const in vec3 normal ) {
1411	return normalize( normal ) * 0.5 + 0.5;
1412}
1413vec3 unpackRGBToNormal( const in vec3 rgb ) {
1414	return 2.0 * rgb.xyz - 1.0;
1415}
1416const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;
1417const vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );
1418const vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );
1419const float ShiftRight8 = 1. / 256.;
1420vec4 packDepthToRGBA( const in float v ) {
1421	vec4 r = vec4( fract( v * PackFactors ), v );
1422	r.yzw -= r.xyz * ShiftRight8;	return r * PackUpscale;
1423}
1424float unpackRGBAToDepth( const in vec4 v ) {
1425	return dot( v, UnpackFactors );
1426}
1427vec2 packDepthToRG( in highp float v ) {
1428	return packDepthToRGBA( v ).yx;
1429}
1430float unpackRGToDepth( const in highp vec2 v ) {
1431	return unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );
1432}
1433vec4 pack2HalfToRGBA( vec2 v ) {
1434	vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );
1435	return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );
1436}
1437vec2 unpackRGBATo2Half( vec4 v ) {
1438	return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );
1439}
1440float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {
1441	return ( viewZ + near ) / ( near - far );
1442}
1443float orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {
1444	return linearClipZ * ( near - far ) - near;
1445}
1446float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {
1447	return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );
1448}
1449float perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {
1450	return ( near * far ) / ( ( far - near ) * invClipZ - far );
1451}`,LI=`#ifdef PREMULTIPLIED_ALPHA
1452	gl_FragColor.rgb *= gl_FragColor.a;
1453#endif`,BI=`vec4 mvPosition = vec4( transformed, 1.0 );
1454#ifdef USE_INSTANCING
1455	mvPosition = instanceMatrix * mvPosition;
1456#endif
1457mvPosition = modelViewMatrix * mvPosition;
1458gl_Position = projectionMatrix * mvPosition;`,zI=`#ifdef DITHERING
1459	gl_FragColor.rgb = dithering( gl_FragColor.rgb );
1460#endif`,FI=`#ifdef DITHERING
1461	vec3 dithering( vec3 color ) {
1462		float grid_position = rand( gl_FragCoord.xy );
1463		vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );
1464		dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );
1465		return color + dither_shift_RGB;
1466	}
1467#endif`,kI=`float roughnessFactor = roughness;
1468#ifdef USE_ROUGHNESSMAP
1469	vec4 texelRoughness = texture2D( roughnessMap, vUv );
1470	roughnessFactor *= texelRoughness.g;
1471#endif`,UI=`#ifdef USE_ROUGHNESSMAP
1472	uniform sampler2D roughnessMap;

1473#endif`,NI=`#if NUM_SPOT_LIGHT_COORDS > 0
1474  varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];
1475#endif
1476#if NUM_SPOT_LIGHT_MAPS > 0
1477  uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];
1478#endif
1479#ifdef USE_SHADOWMAP
1480	#if NUM_DIR_LIGHT_SHADOWS > 0
1481		uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];
1482		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
1483		struct DirectionalLightShadow {
1484			float shadowBias;
1485			float shadowNormalBias;
1486			float shadowRadius;
1487			vec2 shadowMapSize;
1488		};
1489		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];
1490	#endif
1491	#if NUM_SPOT_LIGHT_SHADOWS > 0
1492		uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];
1493		struct SpotLightShadow {
1494			float shadowBias;
1495			float shadowNormalBias;
1496			float shadowRadius;
1497			vec2 shadowMapSize;
1498		};
1499		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];
1500	#endif
1501	#if NUM_POINT_LIGHT_SHADOWS > 0
1502		uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];
1503		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];
1504		struct PointLightShadow {
1505			float shadowBias;
1506			float shadowNormalBias;
1507			float shadowRadius;
1508			vec2 shadowMapSize;
1509			float shadowCameraNear;
1510			float shadowCameraFar;
1511		};
1512		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
1513	#endif
1514	float texture2DCompare( sampler2D depths, vec2 uv, float compare ) {
1515		return step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );
1516	}
1517	vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {
1518		return unpackRGBATo2Half( texture2D( shadow, uv ) );
1519	}
1520	float VSMShadow (sampler2D shadow, vec2 uv, float compare ){
1521		float occlusion = 1.0;
1522		vec2 distribution = texture2DDistribution( shadow, uv );
1523		float hard_shadow = step( compare , distribution.x );
1524		if (hard_shadow != 1.0 ) {
1525			float distance = compare - distribution.x ;
1526			float variance = max( 0.00000, distribution.y * distribution.y );
1527			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 );
1528		}
1529		return occlusion;
1530	}
1531	float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
1532		float shadow = 1.0;
1533		shadowCoord.xyz /= shadowCoord.w;
1534		shadowCoord.z += shadowBias;
1535		bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;
1536		bool frustumTest = inFrustum && shadowCoord.z <= 1.0;
1537		if ( frustumTest ) {
1538		#if defined( SHADOWMAP_TYPE_PCF )
1539			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
1540			float dx0 = - texelSize.x * shadowRadius;
1541			float dy0 = - texelSize.y * shadowRadius;
1542			float dx1 = + texelSize.x * shadowRadius;
1543			float dy1 = + texelSize.y * shadowRadius;
1544			float dx2 = dx0 / 2.0;
1545			float dy2 = dy0 / 2.0;
1546			float dx3 = dx1 / 2.0;
1547			float dy3 = dy1 / 2.0;
1548			shadow = (
1549				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +
1550				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +
1551				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +
1552				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +
1553				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +
1554				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +
1555				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +
1556				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +
1557				texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +
1558				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +
1559				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +
1560				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +
1561				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +
1562				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +
1563				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +
1564				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +
1565				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )
1566			) * ( 1.0 / 17.0 );
1567		#elif defined( SHADOWMAP_TYPE_PCF_SOFT )
1568			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
1569			float dx = texelSize.x;
1570			float dy = texelSize.y;
1571			vec2 uv = shadowCoord.xy;

1572			vec2 f = fract( uv * shadowMapSize + 0.5 );
1573			uv -= f * texelSize;
1574			shadow = (
1575				texture2DCompare( shadowMap, uv, shadowCoord.z ) +
1576				texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +
1577				texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +
1578				texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +
1579				mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),
1580					 texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),
1581					 f.x ) +
1582				mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),
1583					 texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),
1584					 f.x ) +
1585				mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),
1586					 texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),
1587					 f.y ) +
1588				mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),
1589					 texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),
1590					 f.y ) +
1591				mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),
1592						  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),
1593						  f.x ),
1594					 mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),
1595						  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),
1596						  f.x ),
1597					 f.y )
1598			) * ( 1.0 / 9.0 );
1599		#elif defined( SHADOWMAP_TYPE_VSM )
1600			shadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );
1601		#else
1602			shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );
1603		#endif
1604		}
1605		return shadow;
1606	}
1607	vec2 cubeToUV( vec3 v, float texelSizeY ) {
1608		vec3 absV = abs( v );
1609		float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );
1610		absV *= scaleToCube;
1611		v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );
1612		vec2 planar = v.xy;
1613		float almostATexel = 1.5 * texelSizeY;
1614		float almostOne = 1.0 - almostATexel;
1615		if ( absV.z >= almostOne ) {
1616			if ( v.z > 0.0 )
1617				planar.x = 4.0 - v.x;
1618		} else if ( absV.x >= almostOne ) {
1619			float signX = sign( v.x );
1620			planar.x = v.z * signX + 2.0 * signX;
1621		} else if ( absV.y >= almostOne ) {
1622			float signY = sign( v.y );
1623			planar.x = v.x + 2.0 * signY + 2.0;
1624			planar.y = v.z * signY - 2.0;
1625		}
1626		return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );
1627	}
1628	float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {
1629		vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );
1630		vec3 lightToPosition = shadowCoord.xyz;
1631		float dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );		dp += shadowBias;
1632		vec3 bd3D = normalize( lightToPosition );
1633		#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )
1634			vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;
1635			return (
1636				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +
1637				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +
1638				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +
1639				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +
1640				texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +
1641				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +
1642				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +
1643				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +
1644				texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )
1645			) * ( 1.0 / 9.0 );
1646		#else
1647			return texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );
1648		#endif
1649	}
1650#endif`,VI=`#if NUM_SPOT_LIGHT_COORDS > 0
1651  uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];
1652  varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];
1653#endif
1654#ifdef USE_SHADOWMAP
1655	#if NUM_DIR_LIGHT_SHADOWS > 0
1656		uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];
1657		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
1658		struct DirectionalLightShadow {
1659			float shadowBias;
1660			float shadowNormalBias;
1661			float shadowRadius;
1662			vec2 shadowMapSize;
1663		};
1664		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];
1665	#endif

1666	#if NUM_SPOT_LIGHT_SHADOWS > 0
1667		struct SpotLightShadow {
1668			float shadowBias;
1669			float shadowNormalBias;
1670			float shadowRadius;
1671			vec2 shadowMapSize;
1672		};
1673		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];
1674	#endif
1675	#if NUM_POINT_LIGHT_SHADOWS > 0
1676		uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];
1677		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];
1678		struct PointLightShadow {
1679			float shadowBias;
1680			float shadowNormalBias;
1681			float shadowRadius;
1682			vec2 shadowMapSize;
1683			float shadowCameraNear;
1684			float shadowCameraFar;
1685		};
1686		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
1687	#endif
1688#endif`,jI=`#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )
1689	vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
1690	vec4 shadowWorldPosition;
1691#endif
1692#if defined( USE_SHADOWMAP )
1693	#if NUM_DIR_LIGHT_SHADOWS > 0
1694		#pragma unroll_loop_start
1695		for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
1696			shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );
1697			vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;
1698		}
1699		#pragma unroll_loop_end
1700	#endif
1701	#if NUM_POINT_LIGHT_SHADOWS > 0
1702		#pragma unroll_loop_start
1703		for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
1704			shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );
1705			vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;
1706		}
1707		#pragma unroll_loop_end
1708	#endif
1709#endif
1710#if NUM_SPOT_LIGHT_COORDS > 0
1711	#pragma unroll_loop_start
1712	for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {
1713		shadowWorldPosition = worldPosition;
1714		#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1715			shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;
1716		#endif
1717		vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;
1718	}
1719	#pragma unroll_loop_end
1720#endif`,GI=`float getShadowMask() {
1721	float shadow = 1.0;
1722	#ifdef USE_SHADOWMAP
1723	#if NUM_DIR_LIGHT_SHADOWS > 0
1724	DirectionalLightShadow directionalLight;
1725	#pragma unroll_loop_start
1726	for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
1727		directionalLight = directionalLightShadows[ i ];
1728		shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
1729	}
1730	#pragma unroll_loop_end
1731	#endif
1732	#if NUM_SPOT_LIGHT_SHADOWS > 0
1733	SpotLightShadow spotLight;
1734	#pragma unroll_loop_start
1735	for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {
1736		spotLight = spotLightShadows[ i ];
1737		shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
1738	}
1739	#pragma unroll_loop_end
1740	#endif
1741	#if NUM_POINT_LIGHT_SHADOWS > 0
1742	PointLightShadow pointLight;
1743	#pragma unroll_loop_start
1744	for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
1745		pointLight = pointLightShadows[ i ];
1746		shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;
1747	}
1748	#pragma unroll_loop_end
1749	#endif
1750	#endif
1751	return shadow;
1752}`,HI=`#ifdef USE_SKINNING
1753	mat4 boneMatX = getBoneMatrix( skinIndex.x );
1754	mat4 boneMatY = getBoneMatrix( skinIndex.y );
1755	mat4 boneMatZ = getBoneMatrix( skinIndex.z );
1756	mat4 boneMatW = getBoneMatrix( skinIndex.w );
1757#endif`,WI=`#ifdef USE_SKINNING
1758	uniform mat4 bindMatrix;
1759	uniform mat4 bindMatrixInverse;
1760	uniform highp sampler2D boneTexture;
1761	uniform int boneTextureSize;
1762	mat4 getBoneMatrix( const in float i ) {
1763		float j = i * 4.0;
1764		float x = mod( j, float( boneTextureSize ) );
1765		float y = floor( j / float( boneTextureSize ) );
1766		float dx = 1.0 / float( boneTextureSize );
1767		float dy = 1.0 / float( boneTextureSize );
1768		y = dy * ( y + 0.5 );
1769		vec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );
1770		vec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );
1771		vec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );
1772		vec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );
1773		mat4 bone = mat4( v1, v2, v3, v4 );
1774		return bone;
1775	}
1776#endif`,qI=`#ifdef USE_SKINNING
1777	vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );
1778	vec4 skinned = vec4( 0.0 );
1779	skinned += boneMatX * skinVertex * skinWeight.x;
1780	skinned += boneMatY * skinVertex * skinWeight.y;
1781	skinned += boneMatZ * skinVertex * skinWeight.z;
1782	skinned += boneMatW * skinVertex * skinWeight.w;
1783	transformed = ( bindMatrixInverse * skinned ).xyz;
1784#endif`,XI=`#ifdef USE_SKINNING
1785	mat4 skinMatrix = mat4( 0.0 );
1786	skinMatrix += skinWeight.x * boneMatX;
1787	skinMatrix += skinWeight.y * boneMatY;
1788	skinMatrix += skinWeight.z * boneMatZ;
1789	skinMatrix += skinWeight.w * boneMatW;
1790	skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;
1791	objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;
1792	#ifdef USE_TANGENT
1793		objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;
1794	#endif
1795#endif`,YI=`float specularStrength;
1796#ifdef USE_SPECULARMAP
1797	vec4 texelSpecular = texture2D( specularMap, vUv );
1798	specularStrength = texelSpecular.r;
1799#else
1800	specularStrength = 1.0;
1801#endif`,QI=`#ifdef USE_SPECULARMAP
1802	uniform sampler2D specularMap;
1803#endif`,ZI=`#if defined( TONE_MAPPING )
1804	gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );
1805#endif`,KI=`#ifndef saturate
1806#define saturate( a ) clamp( a, 0.0, 1.0 )
1807#endif
1808uniform float toneMappingExposure;
1809vec3 LinearToneMapping( vec3 color ) {
1810	return toneMappingExposure * color;
1811}
1812vec3 ReinhardToneMapping( vec3 color ) {
1813	color *= toneMappingExposure;
1814	return saturate( color / ( vec3( 1.0 ) + color ) );
1815}
1816vec3 OptimizedCineonToneMapping( vec3 color ) {
1817	color *= toneMappingExposure;
1818	color = max( vec3( 0.0 ), color - 0.004 );
1819	return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );
1820}
1821vec3 RRTAndODTFit( vec3 v ) {
1822	vec3 a = v * ( v + 0.0245786 ) - 0.000090537;
1823	vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;
1824	return a / b;
1825}
1826vec3 ACESFilmicToneMapping( vec3 color ) {
1827	const mat3 ACESInputMat = mat3(
1828		vec3( 0.59719, 0.07600, 0.02840 ),		vec3( 0.35458, 0.90834, 0.13383 ),
1829		vec3( 0.04823, 0.01566, 0.83777 )
1830	);
1831	const mat3 ACESOutputMat = mat3(
1832		vec3(  1.60475, -0.10208, -0.00327 ),		vec3( -0.53108,  1.10813, -0.07276 ),
1833		vec3( -0.07367, -0.00605,  1.07602 )
1834	);
1835	color *= toneMappingExposure / 0.6;
1836	color = ACESInputMat * color;
1837	color = RRTAndODTFit( color );
1838	color = ACESOutputMat * color;
1839	return saturate( color );
1840}
1841vec3 CustomToneMapping( vec3 color ) { return color; }`,JI=`#ifdef USE_TRANSMISSION
1842	material.transmission = transmission;
1843	material.transmissionAlpha = 1.0;
1844	material.thickness = thickness;
1845	material.attenuationDistance = attenuationDistance;
1846	material.attenuationColor = attenuationColor;
1847	#ifdef USE_TRANSMISSIONMAP
1848		material.transmission *= texture2D( transmissionMap, vUv ).r;
1849	#endif
1850	#ifdef USE_THICKNESSMAP
1851		material.thickness *= texture2D( thicknessMap, vUv ).g;

1852	#endif
1853	vec3 pos = vWorldPosition;
1854	vec3 v = normalize( cameraPosition - pos );
1855	vec3 n = inverseTransformDirection( normal, viewMatrix );
1856	vec4 transmission = getIBLVolumeRefraction(
1857		n, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,
1858		pos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness,
1859		material.attenuationColor, material.attenuationDistance );
1860	material.transmissionAlpha = mix( material.transmissionAlpha, transmission.a, material.transmission );
1861	totalDiffuse = mix( totalDiffuse, transmission.rgb, material.transmission );
1862#endif`,$I=`#ifdef USE_TRANSMISSION
1863	uniform float transmission;
1864	uniform float thickness;
1865	uniform float attenuationDistance;
1866	uniform vec3 attenuationColor;
1867	#ifdef USE_TRANSMISSIONMAP
1868		uniform sampler2D transmissionMap;
1869	#endif
1870	#ifdef USE_THICKNESSMAP
1871		uniform sampler2D thicknessMap;
1872	#endif
1873	uniform vec2 transmissionSamplerSize;
1874	uniform sampler2D transmissionSamplerMap;
1875	uniform mat4 modelMatrix;
1876	uniform mat4 projectionMatrix;
1877	varying vec3 vWorldPosition;
1878	vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {
1879		vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );
1880		vec3 modelScale;
1881		modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );
1882		modelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );
1883		modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );
1884		return normalize( refractionVector ) * thickness * modelScale;
1885	}
1886	float applyIorToRoughness( const in float roughness, const in float ior ) {
1887		return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );
1888	}
1889	vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {
1890		float framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );
1891		#ifdef texture2DLodEXT
1892			return texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );
1893		#else
1894			return texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );
1895		#endif
1896	}
1897	vec3 applyVolumeAttenuation( const in vec3 radiance, const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {
1898		if ( isinf( attenuationDistance ) ) {
1899			return radiance;
1900		} else {
1901			vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;
1902			vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );			return transmittance * radiance;
1903		}
1904	}
1905	vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,
1906		const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,
1907		const in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,
1908		const in vec3 attenuationColor, const in float attenuationDistance ) {
1909		vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );
1910		vec3 refractedRayExit = position + transmissionRay;
1911		vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );
1912		vec2 refractionCoords = ndcPos.xy / ndcPos.w;
1913		refractionCoords += 1.0;
1914		refractionCoords /= 2.0;
1915		vec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );
1916		vec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );
1917		vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );
1918		return vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );
1919	}
1920#endif`,eO=`#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )
1921	varying vec2 vUv;
1922#endif`,tO=`#ifdef USE_UV
1923	#ifdef UVS_VERTEX_ONLY
1924		vec2 vUv;
1925	#else
1926		varying vec2 vUv;
1927	#endif
1928	uniform mat3 uvTransform;
1929#endif`,iO=`#ifdef USE_UV
1930	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;
1931#endif`,rO=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
1932	varying vec2 vUv2;
1933#endif`,sO=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
1934	attribute vec2 uv2;
1935	varying vec2 vUv2;
1936	uniform mat3 uv2Transform;
1937#endif`,aO=`#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )
1938	vUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;
1939#endif`,nO=`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_L

1939IGHT_COORDS > 0
1940	vec4 worldPosition = vec4( transformed, 1.0 );
1941	#ifdef USE_INSTANCING
1942		worldPosition = instanceMatrix * worldPosition;
1943	#endif
1944	worldPosition = modelMatrix * worldPosition;
1945#endif`,oO=`varying vec2 vUv;
1946uniform mat3 uvTransform;
1947void main() {
1948	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;
1949	gl_Position = vec4( position.xy, 1.0, 1.0 );
1950}`,lO=`uniform sampler2D t2D;
1951uniform float backgroundIntensity;
1952varying vec2 vUv;
1953void main() {
1954	vec4 texColor = texture2D( t2D, vUv );
1955	#ifdef DECODE_VIDEO_TEXTURE
1956		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 );
1957	#endif
1958	texColor.rgb *= backgroundIntensity;
1959	gl_FragColor = texColor;
1960	#include <tonemapping_fragment>
1961	#include <encodings_fragment>
1962}`,hO=`varying vec3 vWorldDirection;
1963#include <common>
1964void main() {
1965	vWorldDirection = transformDirection( position, modelMatrix );
1966	#include <begin_vertex>
1967	#include <project_vertex>
1968	gl_Position.z = gl_Position.w;
1969}`,cO=`#ifdef ENVMAP_TYPE_CUBE
1970	uniform samplerCube envMap;
1971#elif defined( ENVMAP_TYPE_CUBE_UV )
1972	uniform sampler2D envMap;
1973#endif
1974uniform float flipEnvMap;
1975uniform float backgroundBlurriness;
1976uniform float backgroundIntensity;
1977varying vec3 vWorldDirection;
1978#include <cube_uv_reflection_fragment>
1979void main() {
1980	#ifdef ENVMAP_TYPE_CUBE
1981		vec4 texColor = textureCube( envMap, vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );
1982	#elif defined( ENVMAP_TYPE_CUBE_UV )
1983		vec4 texColor = textureCubeUV( envMap, vWorldDirection, backgroundBlurriness );
1984	#else
1985		vec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );
1986	#endif
1987	texColor.rgb *= backgroundIntensity;
1988	gl_FragColor = texColor;
1989	#include <tonemapping_fragment>
1990	#include <encodings_fragment>
1991}`,dO=`varying vec3 vWorldDirection;
1992#include <common>
1993void main() {
1994	vWorldDirection = transformDirection( position, modelMatrix );
1995	#include <begin_vertex>
1996	#include <project_vertex>
1997	gl_Position.z = gl_Position.w;
1998}`,uO=`uniform samplerCube tCube;
1999uniform float tFlip;
2000uniform float opacity;
2001varying vec3 vWorldDirection;
2002void main() {
2003	vec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );
2004	gl_FragColor = texColor;
2005	gl_FragColor.a *= opacity;
2006	#include <tonemapping_fragment>
2007	#include <encodings_fragment>
2008}`,pO=`#include <common>
2009#include <uv_pars_vertex>
2010#include <displacementmap_pars_vertex>
2011#include <morphtarget_pars_vertex>
2012#include <skinning_pars_vertex>
2013#include <logdepthbuf_pars_vertex>
2014#include <clipping_planes_pars_vertex>
2015varying vec2 vHighPrecisionZW;
2016void main() {
2017	#include <uv_vertex>
2018	#include <skinbase_vertex>
2019	#ifdef USE_DISPLACEMENTMAP
2020		#include <beginnormal_vertex>
2021		#include <morphnormal_vertex>
2022		#include <skinnormal_vertex>
2023	#endif
2024	#include <begin_vertex>
2025	#include <morphtarget_vertex>
2026	#include <skinning_vertex>
2027	#include <displacementmap_vertex>
2028	#include <project_vertex>
2029	#include <logdepthbuf_vertex>
2030	#include <clipping_planes_vertex>
2031	vHighPrecisionZW = gl_Position.zw;
2032}`,fO=`#if DEPTH_PACKING == 3200
2033	uniform float opacity;
2034#endif
2035#include <common>
2036#include <packing>
2037#include <uv_pars_fragment>
2038#include <map_pars_fragment>
2039#include <alphamap_pars_fragment>
2040#include <alphatest_pars_fragment>
2041#include <logdepthbuf_pars_fragment>
2042#include <clipping_planes_pars_fragment>
2043varying vec2 vHighPrecisionZW;
2044void main() {
2045	#include <clipping_planes_fragment>
2046	vec4 diffuseColor = vec4( 1.0 );
2047	#if DEPTH_PACKING == 3200
2048		diffuseColor.a = opacity;
2049	#endif
2050	#include <map_fragment>
2051	#include <alphamap_fragment>
2052	#include <alphatest_fragment>
2053	#include <logdepthbuf_fragment>
2054	float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;
2055	#if DEPTH_PACKING == 3200
2056		gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );
2057	#elif DEPTH_PACKING == 3201
2058		gl_FragColor = packDepthToRGBA( fragCoordZ );
2059	#endif
2060}`,mO=`#define DISTANCE
2061varying vec3 vWorldPosition;
2062#include <common>
2063#include <uv_pars_vertex>
2064#include <displacementmap_pars_vertex>
2065#include <morphtarget_pars_vertex>
2066#include <skinning_pars_vertex>
2067#include <clipping_planes_pars_vertex>
2068void main() {
2069	#include <uv_vertex>
2070	#include <skinbase_vertex>
2071	#ifdef USE_DISPLACEMENTMAP
2072		#include <beginnormal_vertex>
2073		#include <morphnormal_vertex>
2074		#include <skinnormal_vertex>
2075	#endif
2076	#include <begin_vertex>
2077	#include <morphtarget_vertex>
2078	#include <skinning_vertex>
2079	#include <displacementmap_vertex>
2080	#include <project_vertex>
2081	#include <worldpos_vertex>
2082	#include <clipping_planes_vertex>
2083	vWorldPosition = worldPosition.xyz;
2084}`,gO=`#define DISTANCE
2085uniform vec3 referencePosition;
2086uniform float nearDistance;
2087uniform float farDistance;
2088varying vec3 vWorldPosition;
2089#include <common>
2090#include <packing>
2091#include <uv_pars_fragment>
2092#include <map_pars_fragment>
2093#include <alphamap_pars_fragment>
2094#include <alphatest_pars_fragment>
2095#include <clipping_planes_pars_fragment>
2096void main () {
2097	#include <clipping_planes_fragment>
2098	vec4 diffuseColor = vec4( 1.0 );
2099	#include <map_fragment>
2100	#include <alphamap_fragment>
2101	#include <alphatest_fragment>
2102	float dist = length( vWorldPosition - referencePosition );
2103	dist = ( dist - nearDistance ) / ( farDistance - nearDistance );
2104	dist = saturate( dist );
2105	gl_FragColor = packDepthToRGBA( dist );
2106}`,vO=`varying vec3 vWorldDirection;
2107#include <common>
2108void main() {
2109	vWorldDirection = transformDirection( position, modelMatrix );
2110	#include <begin_vertex>
2111	#include <project_vertex>
2112}

2112`,yO=`uniform sampler2D tEquirect;
2113varying vec3 vWorldDirection;
2114#include <common>
2115void main() {
2116	vec3 direction = normalize( vWorldDirection );
2117	vec2 sampleUV = equirectUv( direction );
2118	gl_FragColor = texture2D( tEquirect, sampleUV );
2119	#include <tonemapping_fragment>
2120	#include <encodings_fragment>
2121}`,xO=`uniform float scale;
2122attribute float lineDistance;
2123varying float vLineDistance;
2124#include <common>
2125#include <color_pars_vertex>
2126#include <fog_pars_vertex>
2127#include <morphtarget_pars_vertex>
2128#include <logdepthbuf_pars_vertex>
2129#include <clipping_planes_pars_vertex>
2130void main() {
2131	vLineDistance = scale * lineDistance;
2132	#include <color_vertex>
2133	#include <morphcolor_vertex>
2134	#include <begin_vertex>
2135	#include <morphtarget_vertex>
2136	#include <project_vertex>
2137	#include <logdepthbuf_vertex>
2138	#include <clipping_planes_vertex>
2139	#include <fog_vertex>
2140}`,bO=`uniform vec3 diffuse;
2141uniform float opacity;
2142uniform float dashSize;
2143uniform float totalSize;
2144varying float vLineDistance;
2145#include <common>
2146#include <color_pars_fragment>
2147#include <fog_pars_fragment>
2148#include <logdepthbuf_pars_fragment>
2149#include <clipping_planes_pars_fragment>
2150void main() {
2151	#include <clipping_planes_fragment>
2152	if ( mod( vLineDistance, totalSize ) > dashSize ) {
2153		discard;
2154	}
2155	vec3 outgoingLight = vec3( 0.0 );
2156	vec4 diffuseColor = vec4( diffuse, opacity );
2157	#include <logdepthbuf_fragment>
2158	#include <color_fragment>
2159	outgoingLight = diffuseColor.rgb;
2160	#include <output_fragment>
2161	#include <tonemapping_fragment>
2162	#include <encodings_fragment>
2163	#include <fog_fragment>
2164	#include <premultiplied_alpha_fragment>
2165}`,wO=`#include <common>
2166#include <uv_pars_vertex>
2167#include <uv2_pars_vertex>
2168#include <envmap_pars_vertex>
2169#include <color_pars_vertex>
2170#include <fog_pars_vertex>
2171#include <morphtarget_pars_vertex>
2172#include <skinning_pars_vertex>
2173#include <logdepthbuf_pars_vertex>
2174#include <clipping_planes_pars_vertex>
2175void main() {
2176	#include <uv_vertex>
2177	#include <uv2_vertex>
2178	#include <color_vertex>
2179	#include <morphcolor_vertex>
2180	#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )
2181		#include <beginnormal_vertex>
2182		#include <morphnormal_vertex>
2183		#include <skinbase_vertex>
2184		#include <skinnormal_vertex>
2185		#include <defaultnormal_vertex>
2186	#endif
2187	#include <begin_vertex>
2188	#include <morphtarget_vertex>
2189	#include <skinning_vertex>
2190	#include <project_vertex>
2191	#include <logdepthbuf_vertex>
2192	#include <clipping_planes_vertex>
2193	#include <worldpos_vertex>
2194	#include <envmap_vertex>
2195	#include <fog_vertex>
2196}`,SO=`uniform vec3 diffuse;
2197uniform float opacity;
2198#ifndef FLAT_SHADED
2199	varying vec3 vNormal;
2200#endif
2201#include <common>
2202#include <dithering_pars_fragment>
2203#include <color_pars_fragment>
2204#include <uv_pars_fragment>
2205#include <uv2_pars_fragment>
2206#include <map_pars_fragment>
2207#include <alphamap_pars_fragment>
2208#include <alphatest_pars_fragment>
2209#include <aomap_pars_fragment>
2210#include <lightmap_pars_fragment>
2211#include <envmap_common_pars_fragment>
2212#include <envmap_pars_fragment>
2213#include <fog_pars_fragment>
2214#include <specularmap_pars_fragment>
2215#include <logdepthbuf_pars_fragment>
2216#include <clipping_planes_pars_fragment>
2217void main() {
2218	#include <clipping_planes_fragment>
2219	vec4 diffuseColor = vec4( diffuse, opacity );
2220	#include <logdepthbuf_fragment>
2221	#include <map_fragment>
2222	#include <color_fragment>
2223	#include <alphamap_fragment>
2224	#include <alphatest_fragment>
2225	#include <specularmap_fragment>
2226	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );
2227	#ifdef USE_LIGHTMAP
2228		vec4 lightMapTexel = texture2D( lightMap, vUv2 );
2229		reflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;
2230	#else
2231		reflectedLight.indirectDiffuse += vec3( 1.0 );
2232	#endif
2233	#include <aomap_fragment>
2234	reflectedLight.indirectDiffuse *= diffuseColor.rgb;
2235	vec3 outgoingLight = reflectedLight.indirectDiffuse;
2236	#include <envmap_fragment>
2237	#include <output_fragment>
2238	#include <tonemapping_fragment>
2239	#include <encodings_fragment>
2240	#include <fog_fragment>
2241	#include <premultiplied_alpha_fragment>
2242	#include <dithering_fragment>
2243}`,_O=`#define LAMBERT
2244varying vec3 vViewPosition;
2245#include <common>
2246#include <uv_pars_vertex>
2247#include <uv2_pars_vertex>
2248#include <displacementmap_pars_vertex>
2249#include <envmap_pars_vertex>
2250#include <color_pars_vertex>
2251#include <fog_pars_vertex>
2252#include <normal_pars_vertex>
2253#include <morphtarget_pars_vertex>
2254#include <skinning_pars_vertex>
2255#include <shadowmap_pars_vertex>
2256#include <logdepthbuf_pars_vertex>
2257#include <clipping_planes_pars_vertex>
2258void main() {
2259	#include <uv_vertex>
2260	#include <uv2_vertex>
2261	#include <color_vertex>
2262	#include <morphcolor_vertex>
2263	#include <beginnormal_vertex>
2264	#include <morphnormal_vertex>
2265	#include <skinbase_vertex>
2266	#include <skinnormal_vertex>
2267	#include <defaultnormal_vertex>
2268	#include <normal_vertex>
2269	#include <begin_vertex>
2270	#include <morphtarget_vertex>
2271	#include <skinning_vertex>
2272	#include <displacementmap_vertex>
2273	#include <project_vertex>
2274	#include <logdepthbuf_vertex>
2275	#include <clipping_planes_vertex>
2276	vViewPosition = - mvPosition.xyz;
2277	#include <worldpos_vertex>
2278	#include <envmap_vertex>
2279	#include <shadowmap_vertex>
2280	#include <fog_vertex>
2281}`,AO=`#define LAMBERT
2282uniform vec3 diffuse;
2283uniform vec3 emissive;
2284uniform float opacity;
2285#include <common>
2286#include <packing>
2287#include <dithering_pars_fragment>
2288#include <color_pars_fragment>
2289#include <uv_pars_fragment>
2290#include <uv2_pars_fragment>
2291#include <map_pars_fragment>
2292#include <alphamap_pars_fragment>
2293#include <alphatest_pars_fragment>
2294#include <aomap_pars_fragment>
2295#include <lightmap_pars_fragment>
2296#include <emissivemap_pars_fragment>
2297#include <envmap_common_pars_fragment>
2298#include <envmap_pars_fragment>
2299#include <fog_pars_fragment>
2300#include <bsdfs>
2301#include <lights_pars_begin>
2302#include <normal_pars_fragment>
2303#include <lights_lambert_pars_fragment>
2304#include <shadowmap_pars_fragment>
2305#include <bumpmap_pars_fragment>
2306#include <normalmap_pars_fragment>
2307#include <specularmap_pars_fragment>
2308#include <logdepthbuf_pars_fragment>
2309#include <clipping_planes_pars_fragment>
2310void main() {
2311	#include <clipping_planes_fragment>
2312	vec4 diffuseColor = vec4( diffuse, opacity );
2313	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );
2314	vec3 totalEmissiveRadiance = emissive;
2315	#include <logdepthbuf_fragment>
2316	#include <map_fragment>
2317	#include <color_fragment>
2318	#include <alphamap_fragment>
2319	#include <alphatest_fragment>
2320	#include <specularmap_fragment>
2321	#include <normal_fragment_begin>
2322	#include <normal_fragment_maps>
2323	#include <emissivemap_fragment>
2324	#include <lights_lambert_fragment>
2325	#include <lights_fragment_begin>
2326	#include <lights_fragment_maps>
2327	#include <lights_fragment_end>
2328	#include <aomap_fragment>
2329	vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;
2330	#include <envmap_fragment>
2331	#include <output_fragment>
2332	#include <tonemapping_fragment>
2333	#include <encodings_fragment>
2334	#include <fog_fragment>
2335	#include <premultiplied_alpha_fragment>
2336	#include <dithering_fragment>
2337}`,MO=`#define MATCAP
2338varying vec3 vViewPosition;
2339#include <common>
2340#include <uv_pars_vertex>
2341#include <color_pars_vertex>
2342#include <displacementmap_pars_vertex>
2343#include <fog_pars_vertex>
2344#include <normal_pars_vertex>
2345#include <morphtarget_pars_vertex>
2346#include <skinning_pars_vertex>
2347#include <logdepthbuf_pars_vertex>
2348#include <clipping_planes_pars_vertex>
2349void main() {
2350	#include <uv_vertex>
2351	#include <color_vertex>
2352	#include <morphcolor_vertex>
2353	#include <beginnormal_vertex>
2354	#include <morphnormal_vertex>
2355	#include <skinbase_vertex>
2356	#include <skinnormal_vertex>
2357	#include <defaultnormal_vertex>
2358	#include <normal_vertex>
2359	#include <begin_vertex>
2360	#include <morphtarget_vertex>
2361	#include <skinning_vertex>
2362	#include <displacementmap_vertex>
2363	#include <project_vertex>
2364	#include <logdepthbuf_vertex>
2365	#include <clipping_planes_vertex>
2366	#include <fog_vertex>
2367	vViewPosition = - mvPosition.xyz;
2368}`,EO=`#define MATCAP
2369uniform vec3 diffuse;
2370uniform float opacity;
2371uniform sampler2D matcap;
2372varying vec3 vViewPosition;
2373#include <common>
2374#include <dithering_pars_fragment>
2375#include <color_pars_fragment>
2376#include <uv_pars_fragment>
2377#include <map_pars_fragment>
2378#include <alphamap_pars_fragment>
2379#include <alphatest_pars_fragment>
2380#include <fog_pars_fragment>
2381#include <normal_pars_fragment>
2382#include <bumpmap_pars_fragment>
2383#include <normalmap_pars_fragment>
2384#include <logdepthbuf_pars_fragment>
2385#include <clipping_planes_pars_fragment>
2386void main() {
2387	#include <clipping_planes_fragment>
2388	vec4 diffuseColor = vec4( diffuse, opacity );
2389	#include <logdepthbuf_fragment>
2390	#include <map_fragment>
2391	#include <color_fragment>
2392	#include <alphamap_fragment>
2393	#include <alphatest_fragment>
2394	#include <normal_fragment_begin>
2395	#include <normal_fragment_maps>
2396	vec3 viewDir = normalize( vViewPosition );
2397	vec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );
2398	vec3 y = cross( viewDir, x );
2399	vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;
2400	#ifdef USE_MATCAP

2401		vec4 matcapColor = texture2D( matcap, uv );
2402	#else
2403		vec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );
2404	#endif
2405	vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;
2406	#include <output_fragment>
2407	#include <tonemapping_fragment>
2408	#include <encodings_fragment>
2409	#include <fog_fragment>
2410	#include <premultiplied_alpha_fragment>
2411	#include <dithering_fragment>
2412}`,CO=`#define NORMAL
2413#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
2414	varying vec3 vViewPosition;
2415#endif
2416#include <common>
2417#include <uv_pars_vertex>
2418#include <displacementmap_pars_vertex>
2419#include <normal_pars_vertex>
2420#include <morphtarget_pars_vertex>
2421#include <skinning_pars_vertex>
2422#include <logdepthbuf_pars_vertex>
2423#include <clipping_planes_pars_vertex>
2424void main() {
2425	#include <uv_vertex>
2426	#include <beginnormal_vertex>
2427	#include <morphnormal_vertex>
2428	#include <skinbase_vertex>
2429	#include <skinnormal_vertex>
2430	#include <defaultnormal_vertex>
2431	#include <normal_vertex>
2432	#include <begin_vertex>
2433	#include <morphtarget_vertex>
2434	#include <skinning_vertex>
2435	#include <displacementmap_vertex>
2436	#include <project_vertex>
2437	#include <logdepthbuf_vertex>
2438	#include <clipping_planes_vertex>
2439#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
2440	vViewPosition = - mvPosition.xyz;
2441#endif
2442}`,TO=`#define NORMAL
2443uniform float opacity;
2444#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )
2445	varying vec3 vViewPosition;
2446#endif
2447#include <packing>
2448#include <uv_pars_fragment>
2449#include <normal_pars_fragment>
2450#include <bumpmap_pars_fragment>
2451#include <normalmap_pars_fragment>
2452#include <logdepthbuf_pars_fragment>
2453#include <clipping_planes_pars_fragment>
2454void main() {
2455	#include <clipping_planes_fragment>
2456	#include <logdepthbuf_fragment>
2457	#include <normal_fragment_begin>
2458	#include <normal_fragment_maps>
2459	gl_FragColor = vec4( packNormalToRGB( normal ), opacity );
2460	#ifdef OPAQUE
2461		gl_FragColor.a = 1.0;
2462	#endif
2463}`,PO=`#define PHONG
2464varying vec3 vViewPosition;
2465#include <common>
2466#include <uv_pars_vertex>
2467#include <uv2_pars_vertex>
2468#include <displacementmap_pars_vertex>
2469#include <envmap_pars_vertex>
2470#include <color_pars_vertex>
2471#include <fog_pars_vertex>
2472#include <normal_pars_vertex>
2473#include <morphtarget_pars_vertex>
2474#include <skinning_pars_vertex>
2475#include <shadowmap_pars_vertex>
2476#include <logdepthbuf_pars_vertex>
2477#include <clipping_planes_pars_vertex>
2478void main() {
2479	#include <uv_vertex>
2480	#include <uv2_vertex>
2481	#include <color_vertex>
2482	#include <morphcolor_vertex>
2483	#include <beginnormal_vertex>
2484	#include <morphnormal_vertex>
2485	#include <skinbase_vertex>
2486	#include <skinnormal_vertex>
2487	#include <defaultnormal_vertex>
2488	#include <normal_vertex>
2489	#include <begin_vertex>
2490	#include <morphtarget_vertex>
2491	#include <skinning_vertex>
2492	#include <displacementmap_vertex>
2493	#include <project_vertex>
2494	#include <logdepthbuf_vertex>
2495	#include <clipping_planes_vertex>
2496	vViewPosition = - mvPosition.xyz;
2497	#include <worldpos_vertex>
2498	#include <envmap_vertex>
2499	#include <shadowmap_vertex>
2500	#include <fog_vertex>
2501}`,DO=`#define PHONG
2502uniform vec3 diffuse;
2503uniform vec3 emissive;
2504uniform vec3 specular;
2505uniform float shininess;
2506uniform float opacity;
2507#include <common>
2508#include <packing>
2509#include <dithering_pars_fragment>
2510#include <color_pars_fragment>
2511#include <uv_pars_fragment>
2512#include <uv2_pars_fragment>
2513#include <map_pars_fragment>
2514#include <alphamap_pars_fragment>
2515#include <alphatest_pars_fragment>
2516#include <aomap_pars_fragment>
2517#include <lightmap_pars_fragment>
2518#include <emissivemap_pars_fragment>
2519#include <envmap_common_pars_fragment>
2520#include <envmap_pars_fragment>
2521#include <fog_pars_fragment>
2522#include <bsdfs>
2523#include <lights_pars_begin>
2524#include <normal_pars_fragment>
2525#include <lights_phong_pars_fragment>
2526#include <shadowmap_pars_fragment>
2527#include <bumpmap_pars_fragment>
2528#include <normalmap_pars_fragment>
2529#include <specularmap_pars_fragment>
2530#include <logdepthbuf_pars_fragment>
2531#include <clipping_planes_pars_fragment>
2532void main() {
2533	#include <clipping_planes_fragment>
2534	vec4 diffuseColor = vec4( diffuse, opacity );
2535	ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );
2536	vec3 totalEmissiveRadiance = emissive;
2537	#include <logdepthbuf_fragment>
2538	#include <map_fragment>
2539	#include <color_fragment>
2540	#include <alphamap_fragment>
2541	#include <alphatest_fragment>
2542	#include <specularmap_fragment>
2543	#include <normal_fragment_begin>
2544	#include <normal_fragment_maps>
2545	#include <emissivemap_fragment>
2546	#include <lights_phong_fragment>
2547	#include <lights_fragment_begin>
2548	#include <lights_fragment_maps>
2549	#include <lights_fragment_end>
2550	#include <aomap_fragment>
2551	vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;
2552	#include <envmap_fragment>
2553	#include <output_fragment>
2554	#include <tonemapping_fragment>
2555	#include <encodings_fragment>
2556	#include <fog_fragment>
2557	#include <premultiplied_alpha_fragment>
2558	#include <dithering_fragment>
2559}`,IO=`#define STANDARD
2560varying vec3 vViewPosition;
2561#ifdef USE_TRANSMISSION
2562	varying vec3 vWorldPosition;
2563#endif
2564#include <common>
2565#include <uv_pars_vertex>
2566#include <uv2_pars_vertex>
2567#include <displacementmap_pars_vertex>
2568#include <color_pars_vertex>
2569#include <fog_pars_vertex>
2570#include <normal_pars_vertex>
2571#include <morphtarget_pars_vertex>
2572#include <skinning_pars_vertex>
2573#include <shadowmap_pars_vertex>
2574#include <logdepthbuf_pars_vertex>
2575#include <clipping_planes_pars_vertex>
2576void main() {
2577	#include <uv_vertex>
2578	#include <uv2_vertex>
2579	#include <color_vertex>
2580	#include <morphcolor_vertex>
2581	#include <beginnormal_vertex>
2582	#include <morphnormal_vertex>
2583	#include <skinbase_vertex>
2584	#include <skinnormal_vertex>
2585	#include <defaultnormal_vertex>
2586	#include <normal_vertex>
2587	#include <begin_vertex>
2588	#include <morphtarget_vertex>
2589	#include <skinning_vertex>
2590	#include <displacementmap_vertex>
2591	#include <project_vertex>
2592	#include <logdepthbuf_vertex>
2593	#include <clipping_planes_vertex>
2594	vViewPosition = - mvPosition.xyz;
2595	#include <worldpos_vertex>
2596	#include <shadowmap_vertex>
2597	#include <fog_vertex>
2598#ifdef USE_TRANSMISSION
2599	vWorldPosition = worldPosition.xyz;
2600#endif
2601}`,OO=`#define STANDARD
2602#ifdef PHYSICAL
2603	#define IOR
2604	#define SPECULAR
2605#endif
2606uniform vec3 diffuse;
2607uniform vec3 emissive;
2608uniform float roughness;
2609uniform float metalness;
2610uniform float opacity;
2611#ifdef IOR
2612	uniform float ior;
2613#endif
2614#ifdef SPECULAR
2615	uniform float specularIntensity;
2616	uniform vec3 specularColor;
2617	#ifdef USE_SPECULARINTENSITYMAP
2618		uniform sampler2D specularIntensityMap;
2619	#endif
2620	#ifdef USE_SPECULARCOLORMAP
2621		uniform sampler2D specularColorMap;
2622	#endif
2623#endif
2624#ifdef USE_CLEARCOAT
2625	uniform float clearcoat;
2626	uniform float clearcoatRoughness;
2627#endif