// threejs.org/license !function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).THREE={})}(this,(function(t){"use strict";void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52)),void 0===Number.isInteger&&(Number.isInteger=function(t){return"number"==typeof t&&isFinite(t)&&Math.floor(t)===t}),void 0===Math.sign&&(Math.sign=function(t){return t<0?-1:t>0?1:+t}),"name"in Function.prototype==!1&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*([^\(\s]*)/)[1]}}),void 0===Object.assign&&(Object.assign=function(t){if(null==t)throw new TypeError("Cannot convert undefined or null to object");for(var e=Object(t),n=1;n>8&255]+at[t>>16&255]+at[t>>24&255]+"-"+at[255&e]+at[e>>8&255]+"-"+at[e>>16&15|64]+at[e>>24&255]+"-"+at[63&n|128]+at[n>>8&255]+"-"+at[n>>16&255]+at[n>>24&255]+at[255&r]+at[r>>8&255]+at[r>>16&255]+at[r>>24&255]).toUpperCase()},clamp:function(t,e,n){return Math.max(e,Math.min(n,t))},euclideanModulo:function(t,e){return(t%e+e)%e},mapLinear:function(t,e,n,r,i){return r+(t-e)*(i-r)/(n-e)},lerp:function(t,e,n){return(1-n)*t+n*e},smoothstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*(3-2*t)},smootherstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){return void 0!==t&&(st=t%2147483647),((st=16807*st%2147483647)-1)/2147483646},degToRad:function(t){return t*ct.DEG2RAD},radToDeg:function(t){return t*ct.RAD2DEG},isPowerOfTwo:function(t){return 0==(t&t-1)&&0!==t},ceilPowerOfTwo:function(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))},floorPowerOfTwo:function(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))},setQuaternionFromProperEuler:function(t,e,n,r,i){var a=Math.cos,o=Math.sin,s=a(n/2),c=o(n/2),l=a((e+r)/2),h=o((e+r)/2),u=a((e-r)/2),p=o((e-r)/2),d=a((r-e)/2),f=o((r-e)/2);switch(i){case"XYX":t.set(s*h,c*u,c*p,s*l);break;case"YZY":t.set(c*p,s*h,c*u,s*l);break;case"ZXZ":t.set(c*u,c*p,s*h,s*l);break;case"XZX":t.set(s*h,c*f,c*d,s*l);break;case"YXY":t.set(c*d,s*h,c*f,s*l);break;case"ZYZ":t.set(c*f,c*d,s*h,s*l);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+i)}}},lt=function(t,e){void 0===t&&(t=0),void 0===e&&(e=0),Object.defineProperty(this,"isVector2",{value:!0}),this.x=t,this.y=e},ht={width:{configurable:!0},height:{configurable:!0}};ht.width.get=function(){return this.x},ht.width.set=function(t){this.x=t},ht.height.get=function(){return this.y},ht.height.set=function(t){this.y=t},lt.prototype.set=function(t,e){return this.x=t,this.y=e,this},lt.prototype.setScalar=function(t){return this.x=t,this.y=t,this},lt.prototype.setX=function(t){return this.x=t,this},lt.prototype.setY=function(t){return this.y=t,this},lt.prototype.setComponent=function(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this},lt.prototype.getComponent=function(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}},lt.prototype.clone=function(){return new this.constructor(this.x,this.y)},lt.prototype.copy=function(t){return this.x=t.x,this.y=t.y,this},lt.prototype.add=function(t,e){return void 0!==e?(console.warn("THREE.Vector2: .add() now only accepts one argument. 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Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this)},lt.prototype.subScalar=function(t){return this.x-=t,this.y-=t,this},lt.prototype.subVectors=function(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this},lt.prototype.multiply=function(t){return this.x*=t.x,this.y*=t.y,this},lt.prototype.multiplyScalar=function(t){return this.x*=t,this.y*=t,this},lt.prototype.divide=function(t){return this.x/=t.x,this.y/=t.y,this},lt.prototype.divideScalar=function(t){return this.multiplyScalar(1/t)},lt.prototype.applyMatrix3=function(t){var e=this.x,n=this.y,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6],this.y=r[1]*e+r[4]*n+r[7],this},lt.prototype.min=function(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this},lt.prototype.max=function(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this},lt.prototype.clamp=function(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this},lt.prototype.clampScalar=function(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this},lt.prototype.clampLength=function(t,e){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))},lt.prototype.floor=function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this},lt.prototype.ceil=function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this},lt.prototype.round=function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this},lt.prototype.roundToZero=function(){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},lt.prototype.negate=function(){return this.x=-this.x,this.y=-this.y,this},lt.prototype.dot=function(t){return this.x*t.x+this.y*t.y},lt.prototype.cross=function(t){return this.x*t.y-this.y*t.x},lt.prototype.lengthSq=function(){return this.x*this.x+this.y*this.y},lt.prototype.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y)},lt.prototype.manhattanLength=function(){return Math.abs(this.x)+Math.abs(this.y)},lt.prototype.normalize=function(){return this.divideScalar(this.length()||1)},lt.prototype.angle=function(){var t=Math.atan2(-this.y,-this.x)+Math.PI;return t},lt.prototype.distanceTo=function(t){return Math.sqrt(this.distanceToSquared(t))},lt.prototype.distanceToSquared=function(t){var e=this.x-t.x,n=this.y-t.y;return e*e+n*n},lt.prototype.manhattanDistanceTo=function(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)},lt.prototype.setLength=function(t){return this.normalize().multiplyScalar(t)},lt.prototype.lerp=function(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this},lt.prototype.lerpVectors=function(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this},lt.prototype.equals=function(t){return t.x===this.x&&t.y===this.y},lt.prototype.fromArray=function(t,e){return void 0===e&&(e=0),this.x=t[e],this.y=t[e+1],this},lt.prototype.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.x,t[e+1]=this.y,t},lt.prototype.fromBufferAttribute=function(t,e,n){return void 0!==n&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this},lt.prototype.rotateAround=function(t,e){var n=Math.cos(e),r=Math.sin(e),i=this.x-t.x,a=this.y-t.y;return this.x=i*n-a*r+t.x,this.y=i*r+a*n+t.y,this},lt.prototype.random=function(){return this.x=Math.random(),this.y=Math.random(),this},Object.defineProperties(lt.prototype,ht);var ut,pt=function(){Object.defineProperty(this,"isMatrix3",{value:!0}),this.elements=[1,0,0,0,1,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")};pt.prototype.set=function(t,e,n,r,i,a,o,s,c){var l=this.elements;return l[0]=t,l[1]=r,l[2]=o,l[3]=e,l[4]=i,l[5]=s,l[6]=n,l[7]=a,l[8]=c,this},pt.prototype.identity=function(){return this.set(1,0,0,0,1,0,0,0,1),this},pt.prototype.clone=function(){return(new this.constructor).fromArray(this.elements)},pt.prototype.copy=function(t){var e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this},pt.prototype.extractBasis=function(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this},pt.prototype.setFromMatrix4=function(t){var e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this},pt.prototype.multiply=function(t){return this.multiplyMatrices(this,t)},pt.prototype.premultiply=function(t){return this.multiplyMatrices(t,this)},pt.prototype.multiplyMatrices=function(t,e){var n=t.elements,r=e.elements,i=this.elements,a=n[0],o=n[3],s=n[6],c=n[1],l=n[4],h=n[7],u=n[2],p=n[5],d=n[8],f=r[0],m=r[3],v=r[6],g=r[1],y=r[4],x=r[7],b=r[2],_=r[5],w=r[8];return i[0]=a*f+o*g+s*b,i[3]=a*m+o*y+s*_,i[6]=a*v+o*x+s*w,i[1]=c*f+l*g+h*b,i[4]=c*m+l*y+h*_,i[7]=c*v+l*x+h*w,i[2]=u*f+p*g+d*b,i[5]=u*m+p*y+d*_,i[8]=u*v+p*x+d*w,this},pt.prototype.multiplyScalar=function(t){var e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this},pt.prototype.determinant=function(){var t=this.elements,e=t[0],n=t[1],r=t[2],i=t[3],a=t[4],o=t[5],s=t[6],c=t[7],l=t[8];return e*a*l-e*o*c-n*i*l+n*o*s+r*i*c-r*a*s},pt.prototype.getInverse=function(t,e){void 0!==e&&console.warn("THREE.Matrix3: .getInverse() can no longer be configured to throw on degenerate.");var n=t.elements,r=this.elements,i=n[0],a=n[1],o=n[2],s=n[3],c=n[4],l=n[5],h=n[6],u=n[7],p=n[8],d=p*c-l*u,f=l*h-p*s,m=u*s-c*h,v=i*d+a*f+o*m;if(0===v)return this.set(0,0,0,0,0,0,0,0,0);var g=1/v;return r[0]=d*g,r[1]=(o*u-p*a)*g,r[2]=(l*a-o*c)*g,r[3]=f*g,r[4]=(p*i-o*h)*g,r[5]=(o*s-l*i)*g,r[6]=m*g,r[7]=(a*h-u*i)*g,r[8]=(c*i-a*s)*g,this},pt.prototype.transpose=function(){var t,e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this},pt.prototype.getNormalMatrix=function(t){return this.setFromMatrix4(t).getInverse(this).transpose()},pt.prototype.transposeIntoArray=function(t){var e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this},pt.prototype.setUvTransform=function(t,e,n,r,i,a,o){var s=Math.cos(i),c=Math.sin(i);this.set(n*s,n*c,-n*(s*a+c*o)+a+t,-r*c,r*s,-r*(-c*a+s*o)+o+e,0,0,1)},pt.prototype.scale=function(t,e){var n=this.elements;return n[0]*=t,n[3]*=t,n[6]*=t,n[1]*=e,n[4]*=e,n[7]*=e,this},pt.prototype.rotate=function(t){var e=Math.cos(t),n=Math.sin(t),r=this.elements,i=r[0],a=r[3],o=r[6],s=r[1],c=r[4],l=r[7];return r[0]=e*i+n*s,r[3]=e*a+n*c,r[6]=e*o+n*l,r[1]=-n*i+e*s,r[4]=-n*a+e*c,r[7]=-n*o+e*l,this},pt.prototype.translate=function(t,e){var n=this.elements;return n[0]+=t*n[2],n[3]+=t*n[5],n[6]+=t*n[8],n[1]+=e*n[2],n[4]+=e*n[5],n[7]+=e*n[8],this},pt.prototype.equals=function(t){for(var e=this.elements,n=t.elements,r=0;r<9;r++)if(e[r]!==n[r])return!1;return!0},pt.prototype.fromArray=function(t,e){void 0===e&&(e=0);for(var n=0;n<9;n++)this.elements[n]=t[n+e];return this},pt.prototype.toArray=function(t,e){void 0===t&&(t=[]),void 0===e&&(e=0);var n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t};var dt={getDataURL:function(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;var e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===ut&&(ut=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),ut.width=t.width,ut.height=t.height;var n=ut.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=ut}return e.width>2048||e.height>2048?e.toDataURL("image/jpeg",.6):e.toDataURL("image/png")}},ft=0;function mt(t,e,n,r,i,a,o,s,c,l){Object.defineProperty(this,"id",{value:ft++}),this.uuid=ct.generateUUID(),this.name="",this.image=void 0!==t?t:mt.DEFAULT_IMAGE,this.mipmaps=[],this.mapping=void 0!==e?e:mt.DEFAULT_MAPPING,this.wrapS=void 0!==n?n:u,this.wrapT=void 0!==r?r:u,this.magFilter=void 0!==i?i:v,this.minFilter=void 0!==a?a:y,this.anisotropy=void 0!==c?c:1,this.format=void 0!==o?o:E,this.internalFormat=null,this.type=void 0!==s?s:x,this.offset=new lt(0,0),this.repeat=new lt(1,1),this.center=new lt(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new pt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=void 0!==l?l:X,this.version=0,this.onUpdate=null}mt.DEFAULT_IMAGE=void 0,mt.DEFAULT_MAPPING=r,mt.prototype=Object.assign(Object.create(it.prototype),{constructor:mt,isTexture:!0,updateMatrix:function(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.name=t.name,this.image=t.image,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.encoding=t.encoding,this},toJSON:function(t){var e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];var n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){var r=this.image;if(void 0===r.uuid&&(r.uuid=ct.generateUUID()),!e&&void 0===t.images[r.uuid]){var i;if(Array.isArray(r)){i=[];for(var a=0,o=r.length;a1)switch(this.wrapS){case h:t.x=t.x-Math.floor(t.x);break;case u:t.x=t.x<0?0:1;break;case p:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case h:t.y=t.y-Math.floor(t.y);break;case u:t.y=t.y<0?0:1;break;case p:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}}),Object.defineProperty(mt.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}});var vt=function(t,e,n,r){void 0===t&&(t=0),void 0===e&&(e=0),void 0===n&&(n=0),void 0===r&&(r=1),Object.defineProperty(this,"isVector4",{value:!0}),this.x=t,this.y=e,this.z=n,this.w=r},gt={width:{configurable:!0},height:{configurable:!0}};function yt(t,e,n){this.width=t,this.height=e,this.scissor=new vt(0,0,t,e),this.scissorTest=!1,this.viewport=new vt(0,0,t,e),n=n||{},this.texture=new mt(void 0,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.image={},this.texture.image.width=t,this.texture.image.height=e,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:v,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null}function xt(t,e,n){yt.call(this,t,e,n),this.samples=4}gt.width.get=function(){return this.z},gt.width.set=function(t){this.z=t},gt.height.get=function(){return this.w},gt.height.set=function(t){this.w=t},vt.prototype.set=function(t,e,n,r){return this.x=t,this.y=e,this.z=n,this.w=r,this},vt.prototype.setScalar=function(t){return this.x=t,this.y=t,this.z=t,this.w=t,this},vt.prototype.setX=function(t){return this.x=t,this},vt.prototype.setY=function(t){return this.y=t,this},vt.prototype.setZ=function(t){return this.z=t,this},vt.prototype.setW=function(t){return this.w=t,this},vt.prototype.setComponent=function(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this},vt.prototype.getComponent=function(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}},vt.prototype.clone=function(){return new this.constructor(this.x,this.y,this.z,this.w)},vt.prototype.copy=function(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this},vt.prototype.add=function(t,e){return void 0!==e?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this)},vt.prototype.addScalar=function(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this},vt.prototype.addVectors=function(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this},vt.prototype.addScaledVector=function(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this},vt.prototype.sub=function(t,e){return void 0!==e?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this)},vt.prototype.subScalar=function(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this},vt.prototype.subVectors=function(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this},vt.prototype.multiplyScalar=function(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this},vt.prototype.applyMatrix4=function(t){var e=this.x,n=this.y,r=this.z,i=this.w,a=t.elements;return this.x=a[0]*e+a[4]*n+a[8]*r+a[12]*i,this.y=a[1]*e+a[5]*n+a[9]*r+a[13]*i,this.z=a[2]*e+a[6]*n+a[10]*r+a[14]*i,this.w=a[3]*e+a[7]*n+a[11]*r+a[15]*i,this},vt.prototype.divideScalar=function(t){return this.multiplyScalar(1/t)},vt.prototype.setAxisAngleFromQuaternion=function(t){this.w=2*Math.acos(t.w);var e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this},vt.prototype.setAxisAngleFromRotationMatrix=function(t){var e,n,r,i,a=.01,o=.1,s=t.elements,c=s[0],l=s[4],h=s[8],u=s[1],p=s[5],d=s[9],f=s[2],m=s[6],v=s[10];if(Math.abs(l-u)y&&g>x?gx?y=0?1:-1,y=1-v*v;if(y>Number.EPSILON){var x=Math.sqrt(y),b=Math.atan2(x,v*g);m=Math.sin(m*b)/x,o=Math.sin(o*b)/x}var _=o*g;if(s=s*m+u*_,c=c*m+p*_,l=l*m+d*_,h=h*m+f*_,m===1-o){var w=1/Math.sqrt(s*s+c*c+l*l+h*h);s*=w,c*=w,l*=w,h*=w}}t[e]=s,t[e+1]=c,t[e+2]=l,t[e+3]=h},bt.multiplyQuaternionsFlat=function(t,e,n,r,i,a){var o=n[r],s=n[r+1],c=n[r+2],l=n[r+3],h=i[a],u=i[a+1],p=i[a+2],d=i[a+3];return t[e]=o*d+l*h+s*p-c*u,t[e+1]=s*d+l*u+c*h-o*p,t[e+2]=c*d+l*p+o*u-s*h,t[e+3]=l*d-o*h-s*u-c*p,t},_t.x.get=function(){return this._x},_t.x.set=function(t){this._x=t,this._onChangeCallback()},_t.y.get=function(){return this._y},_t.y.set=function(t){this._y=t,this._onChangeCallback()},_t.z.get=function(){return this._z},_t.z.set=function(t){this._z=t,this._onChangeCallback()},_t.w.get=function(){return this._w},_t.w.set=function(t){this._w=t,this._onChangeCallback()},bt.prototype.set=function(t,e,n,r){return this._x=t,this._y=e,this._z=n,this._w=r,this._onChangeCallback(),this},bt.prototype.clone=function(){return new this.constructor(this._x,this._y,this._z,this._w)},bt.prototype.copy=function(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this},bt.prototype.setFromEuler=function(t,e){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var n=t._x,r=t._y,i=t._z,a=t._order,o=Math.cos,s=Math.sin,c=o(n/2),l=o(r/2),h=o(i/2),u=s(n/2),p=s(r/2),d=s(i/2);switch(a){case"XYZ":this._x=u*l*h+c*p*d,this._y=c*p*h-u*l*d,this._z=c*l*d+u*p*h,this._w=c*l*h-u*p*d;break;case"YXZ":this._x=u*l*h+c*p*d,this._y=c*p*h-u*l*d,this._z=c*l*d-u*p*h,this._w=c*l*h+u*p*d;break;case"ZXY":this._x=u*l*h-c*p*d,this._y=c*p*h+u*l*d,this._z=c*l*d+u*p*h,this._w=c*l*h-u*p*d;break;case"ZYX":this._x=u*l*h-c*p*d,this._y=c*p*h+u*l*d,this._z=c*l*d-u*p*h,this._w=c*l*h+u*p*d;break;case"YZX":this._x=u*l*h+c*p*d,this._y=c*p*h+u*l*d,this._z=c*l*d-u*p*h,this._w=c*l*h-u*p*d;break;case"XZY":this._x=u*l*h-c*p*d,this._y=c*p*h-u*l*d,this._z=c*l*d+u*p*h,this._w=c*l*h+u*p*d;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==e&&this._onChangeCallback(),this},bt.prototype.setFromAxisAngle=function(t,e){var n=e/2,r=Math.sin(n);return this._x=t.x*r,this._y=t.y*r,this._z=t.z*r,this._w=Math.cos(n),this._onChangeCallback(),this},bt.prototype.setFromRotationMatrix=function(t){var e=t.elements,n=e[0],r=e[4],i=e[8],a=e[1],o=e[5],s=e[9],c=e[2],l=e[6],h=e[10],u=n+o+h;if(u>0){var p=.5/Math.sqrt(u+1);this._w=.25/p,this._x=(l-s)*p,this._y=(i-c)*p,this._z=(a-r)*p}else if(n>o&&n>h){var d=2*Math.sqrt(1+n-o-h);this._w=(l-s)/d,this._x=.25*d,this._y=(r+a)/d,this._z=(i+c)/d}else if(o>h){var f=2*Math.sqrt(1+o-n-h);this._w=(i-c)/f,this._x=(r+a)/f,this._y=.25*f,this._z=(s+l)/f}else{var m=2*Math.sqrt(1+h-n-o);this._w=(a-r)/m,this._x=(i+c)/m,this._y=(s+l)/m,this._z=.25*m}return this._onChangeCallback(),this},bt.prototype.setFromUnitVectors=function(t,e){var n=t.dot(e)+1;return n<1e-6?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()},bt.prototype.angleTo=function(t){return 2*Math.acos(Math.abs(ct.clamp(this.dot(t),-1,1)))},bt.prototype.rotateTowards=function(t,e){var n=this.angleTo(t);if(0===n)return this;var r=Math.min(1,e/n);return this.slerp(t,r),this},bt.prototype.identity=function(){return this.set(0,0,0,1)},bt.prototype.inverse=function(){return this.conjugate()},bt.prototype.conjugate=function(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this},bt.prototype.dot=function(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w},bt.prototype.lengthSq=function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},bt.prototype.length=function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},bt.prototype.normalize=function(){var t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this},bt.prototype.multiply=function(t,e){return void 0!==e?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(t,e)):this.multiplyQuaternions(this,t)},bt.prototype.premultiply=function(t){return this.multiplyQuaternions(t,this)},bt.prototype.multiplyQuaternions=function(t,e){var n=t._x,r=t._y,i=t._z,a=t._w,o=e._x,s=e._y,c=e._z,l=e._w;return this._x=n*l+a*o+r*c-i*s,this._y=r*l+a*s+i*o-n*c,this._z=i*l+a*c+n*s-r*o,this._w=a*l-n*o-r*s-i*c,this._onChangeCallback(),this},bt.prototype.slerp=function(t,e){if(0===e)return this;if(1===e)return this.copy(t);var n=this._x,r=this._y,i=this._z,a=this._w,o=a*t._w+n*t._x+r*t._y+i*t._z;if(o<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,o=-o):this.copy(t),o>=1)return this._w=a,this._x=n,this._y=r,this._z=i,this;var s=1-o*o;if(s<=Number.EPSILON){var c=1-e;return this._w=c*a+e*this._w,this._x=c*n+e*this._x,this._y=c*r+e*this._y,this._z=c*i+e*this._z,this.normalize(),this._onChangeCallback(),this}var l=Math.sqrt(s),h=Math.atan2(l,o),u=Math.sin((1-e)*h)/l,p=Math.sin(e*h)/l;return this._w=a*u+this._w*p,this._x=n*u+this._x*p,this._y=r*u+this._y*p,this._z=i*u+this._z*p,this._onChangeCallback(),this},bt.prototype.equals=function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w},bt.prototype.fromArray=function(t,e){return void 0===e&&(e=0),this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this},bt.prototype.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t},bt.prototype.fromBufferAttribute=function(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this},bt.prototype._onChange=function(t){return this._onChangeCallback=t,this},bt.prototype._onChangeCallback=function(){},Object.defineProperties(bt.prototype,_t);var wt=function(t,e,n){void 0===t&&(t=0),void 0===e&&(e=0),void 0===n&&(n=0),Object.defineProperty(this,"isVector3",{value:!0}),this.x=t,this.y=e,this.z=n};wt.prototype.set=function(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this},wt.prototype.setScalar=function(t){return this.x=t,this.y=t,this.z=t,this},wt.prototype.setX=function(t){return this.x=t,this},wt.prototype.setY=function(t){return this.y=t,this},wt.prototype.setZ=function(t){return this.z=t,this},wt.prototype.setComponent=function(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this},wt.prototype.getComponent=function(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}},wt.prototype.clone=function(){return new this.constructor(this.x,this.y,this.z)},wt.prototype.copy=function(t){return this.x=t.x,this.y=t.y,this.z=t.z,this},wt.prototype.add=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this)},wt.prototype.addScalar=function(t){return this.x+=t,this.y+=t,this.z+=t,this},wt.prototype.addVectors=function(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this},wt.prototype.addScaledVector=function(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this},wt.prototype.sub=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this)},wt.prototype.subScalar=function(t){return this.x-=t,this.y-=t,this.z-=t,this},wt.prototype.subVectors=function(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this},wt.prototype.multiply=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(t,e)):(this.x*=t.x,this.y*=t.y,this.z*=t.z,this)},wt.prototype.multiplyScalar=function(t){return this.x*=t,this.y*=t,this.z*=t,this},wt.prototype.multiplyVectors=function(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this},wt.prototype.applyEuler=function(t){return t&&t.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(St.setFromEuler(t))},wt.prototype.applyAxisAngle=function(t,e){return this.applyQuaternion(St.setFromAxisAngle(t,e))},wt.prototype.applyMatrix3=function(t){var e=this.x,n=this.y,r=this.z,i=t.elements;return this.x=i[0]*e+i[3]*n+i[6]*r,this.y=i[1]*e+i[4]*n+i[7]*r,this.z=i[2]*e+i[5]*n+i[8]*r,this},wt.prototype.applyNormalMatrix=function(t){return this.applyMatrix3(t).normalize()},wt.prototype.applyMatrix4=function(t){var e=this.x,n=this.y,r=this.z,i=t.elements,a=1/(i[3]*e+i[7]*n+i[11]*r+i[15]);return this.x=(i[0]*e+i[4]*n+i[8]*r+i[12])*a,this.y=(i[1]*e+i[5]*n+i[9]*r+i[13])*a,this.z=(i[2]*e+i[6]*n+i[10]*r+i[14])*a,this},wt.prototype.applyQuaternion=function(t){var e=this.x,n=this.y,r=this.z,i=t.x,a=t.y,o=t.z,s=t.w,c=s*e+a*r-o*n,l=s*n+o*e-i*r,h=s*r+i*n-a*e,u=-i*e-a*n-o*r;return this.x=c*s+u*-i+l*-o-h*-a,this.y=l*s+u*-a+h*-i-c*-o,this.z=h*s+u*-o+c*-a-l*-i,this},wt.prototype.project=function(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)},wt.prototype.unproject=function(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)},wt.prototype.transformDirection=function(t){var e=this.x,n=this.y,r=this.z,i=t.elements;return this.x=i[0]*e+i[4]*n+i[8]*r,this.y=i[1]*e+i[5]*n+i[9]*r,this.z=i[2]*e+i[6]*n+i[10]*r,this.normalize()},wt.prototype.divide=function(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this},wt.prototype.divideScalar=function(t){return this.multiplyScalar(1/t)},wt.prototype.min=function(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this},wt.prototype.max=function(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this},wt.prototype.clamp=function(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this},wt.prototype.clampScalar=function(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this},wt.prototype.clampLength=function(t,e){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))},wt.prototype.floor=function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this},wt.prototype.ceil=function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this},wt.prototype.round=function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this},wt.prototype.roundToZero=function(){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},wt.prototype.negate=function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this},wt.prototype.dot=function(t){return this.x*t.x+this.y*t.y+this.z*t.z},wt.prototype.lengthSq=function(){return this.x*this.x+this.y*this.y+this.z*this.z},wt.prototype.length=function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},wt.prototype.manhattanLength=function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},wt.prototype.normalize=function(){return this.divideScalar(this.length()||1)},wt.prototype.setLength=function(t){return this.normalize().multiplyScalar(t)},wt.prototype.lerp=function(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this},wt.prototype.lerpVectors=function(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this},wt.prototype.cross=function(t,e){return void 0!==e?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(t,e)):this.crossVectors(this,t)},wt.prototype.crossVectors=function(t,e){var n=t.x,r=t.y,i=t.z,a=e.x,o=e.y,s=e.z;return this.x=r*s-i*o,this.y=i*a-n*s,this.z=n*o-r*a,this},wt.prototype.projectOnVector=function(t){var e=t.lengthSq();if(0===e)return this.set(0,0,0);var n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)},wt.prototype.projectOnPlane=function(t){return Mt.copy(this).projectOnVector(t),this.sub(Mt)},wt.prototype.reflect=function(t){return this.sub(Mt.copy(t).multiplyScalar(2*this.dot(t)))},wt.prototype.angleTo=function(t){var e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;var n=this.dot(t)/e;return Math.acos(ct.clamp(n,-1,1))},wt.prototype.distanceTo=function(t){return Math.sqrt(this.distanceToSquared(t))},wt.prototype.distanceToSquared=function(t){var e=this.x-t.x,n=this.y-t.y,r=this.z-t.z;return e*e+n*n+r*r},wt.prototype.manhattanDistanceTo=function(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)},wt.prototype.setFromSpherical=function(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)},wt.prototype.setFromSphericalCoords=function(t,e,n){var r=Math.sin(e)*t;return this.x=r*Math.sin(n),this.y=Math.cos(e)*t,this.z=r*Math.cos(n),this},wt.prototype.setFromCylindrical=function(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)},wt.prototype.setFromCylindricalCoords=function(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this},wt.prototype.setFromMatrixPosition=function(t){var e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this},wt.prototype.setFromMatrixScale=function(t){var e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),r=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=r,this},wt.prototype.setFromMatrixColumn=function(t,e){return this.fromArray(t.elements,4*e)},wt.prototype.setFromMatrix3Column=function(t,e){return this.fromArray(t.elements,3*e)},wt.prototype.equals=function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z},wt.prototype.fromArray=function(t,e){return void 0===e&&(e=0),this.x=t[e],this.y=t[e+1],this.z=t[e+2],this},wt.prototype.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t},wt.prototype.fromBufferAttribute=function(t,e,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this},wt.prototype.random=function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this};var Mt=new wt,St=new bt,Tt=function(t,e){Object.defineProperty(this,"isBox3",{value:!0}),this.min=void 0!==t?t:new wt(1/0,1/0,1/0),this.max=void 0!==e?e:new wt(-1/0,-1/0,-1/0)};function Et(t,e,n,r,i){for(var a=0,o=t.length-3;a<=o;a+=3){Ut.fromArray(t,a);var s=i.x*Math.abs(Ut.x)+i.y*Math.abs(Ut.y)+i.z*Math.abs(Ut.z),c=e.dot(Ut),l=n.dot(Ut),h=r.dot(Ut);if(Math.max(-Math.max(c,l,h),Math.min(c,l,h))>s)return!1}return!0}Tt.prototype.set=function(t,e){return this.min.copy(t),this.max.copy(e),this},Tt.prototype.setFromArray=function(t){for(var e=1/0,n=1/0,r=1/0,i=-1/0,a=-1/0,o=-1/0,s=0,c=t.length;si&&(i=l),h>a&&(a=h),u>o&&(o=u)}return this.min.set(e,n,r),this.max.set(i,a,o),this},Tt.prototype.setFromBufferAttribute=function(t){for(var e=1/0,n=1/0,r=1/0,i=-1/0,a=-1/0,o=-1/0,s=0,c=t.count;si&&(i=l),h>a&&(a=h),u>o&&(o=u)}return this.min.set(e,n,r),this.max.set(i,a,o),this},Tt.prototype.setFromPoints=function(t){this.makeEmpty();for(var e=0,n=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)},Tt.prototype.containsBox=function(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z},Tt.prototype.getParameter=function(t,e){return void 0===e&&(console.warn("THREE.Box3: .getParameter() target is now required"),e=new wt),e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))},Tt.prototype.intersectsBox=function(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)},Tt.prototype.intersectsSphere=function(t){return this.clampPoint(t.center,Lt),Lt.distanceToSquared(t.center)<=t.radius*t.radius},Tt.prototype.intersectsPlane=function(t){var e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant},Tt.prototype.intersectsTriangle=function(t){if(this.isEmpty())return!1;this.getCenter(Bt),zt.subVectors(this.max,Bt),Pt.subVectors(t.a,Bt),Ct.subVectors(t.b,Bt),Ot.subVectors(t.c,Bt),It.subVectors(Ct,Pt),Dt.subVectors(Ot,Ct),Nt.subVectors(Pt,Ot);var e=[0,-It.z,It.y,0,-Dt.z,Dt.y,0,-Nt.z,Nt.y,It.z,0,-It.x,Dt.z,0,-Dt.x,Nt.z,0,-Nt.x,-It.y,It.x,0,-Dt.y,Dt.x,0,-Nt.y,Nt.x,0];return!!Et(e,Pt,Ct,Ot,zt)&&(!!Et(e=[1,0,0,0,1,0,0,0,1],Pt,Ct,Ot,zt)&&(Gt.crossVectors(It,Dt),Et(e=[Gt.x,Gt.y,Gt.z],Pt,Ct,Ot,zt)))},Tt.prototype.clampPoint=function(t,e){return void 0===e&&(console.warn("THREE.Box3: .clampPoint() target is now required"),e=new wt),e.copy(t).clamp(this.min,this.max)},Tt.prototype.distanceToPoint=function(t){return Lt.copy(t).clamp(this.min,this.max).sub(t).length()},Tt.prototype.getBoundingSphere=function(t){return void 0===t&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(t.center),t.radius=.5*this.getSize(Lt).length(),t},Tt.prototype.intersect=function(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this},Tt.prototype.union=function(t){return this.min.min(t.min),this.max.max(t.max),this},Tt.prototype.applyMatrix4=function(t){return this.isEmpty()||(At[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),At[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),At[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),At[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),At[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),At[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),At[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),At[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(At)),this},Tt.prototype.translate=function(t){return this.min.add(t),this.max.add(t),this},Tt.prototype.equals=function(t){return t.min.equals(this.min)&&t.max.equals(this.max)};var At=[new wt,new wt,new wt,new wt,new wt,new wt,new wt,new wt],Lt=new wt,Rt=new Tt,Pt=new wt,Ct=new wt,Ot=new wt,It=new wt,Dt=new wt,Nt=new wt,Bt=new wt,zt=new wt,Gt=new wt,Ut=new wt,Ft=new Tt,Ht=function(t,e){this.center=void 0!==t?t:new wt,this.radius=void 0!==e?e:-1};Ht.prototype.set=function(t,e){return this.center.copy(t),this.radius=e,this},Ht.prototype.setFromPoints=function(t,e){var n=this.center;void 0!==e?n.copy(e):Ft.setFromPoints(t).getCenter(n);for(var r=0,i=0,a=t.length;ithis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e},Ht.prototype.getBoundingBox=function(t){return void 0===t&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),t=new Tt),this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)},Ht.prototype.applyMatrix4=function(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this},Ht.prototype.translate=function(t){return this.center.add(t),this},Ht.prototype.equals=function(t){return t.center.equals(this.center)&&t.radius===this.radius};var kt=new wt,Vt=new wt,jt=new wt,Wt=new wt,qt=new wt,Xt=new wt,Yt=new wt,Zt=function(t,e){this.origin=void 0!==t?t:new wt,this.direction=void 0!==e?e:new wt(0,0,-1)};Zt.prototype.set=function(t,e){return this.origin.copy(t),this.direction.copy(e),this},Zt.prototype.clone=function(){return(new this.constructor).copy(this)},Zt.prototype.copy=function(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this},Zt.prototype.at=function(t,e){return void 0===e&&(console.warn("THREE.Ray: .at() target is now required"),e=new wt),e.copy(this.direction).multiplyScalar(t).add(this.origin)},Zt.prototype.lookAt=function(t){return this.direction.copy(t).sub(this.origin).normalize(),this},Zt.prototype.recast=function(t){return this.origin.copy(this.at(t,kt)),this},Zt.prototype.closestPointToPoint=function(t,e){void 0===e&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),e=new wt),e.subVectors(t,this.origin);var n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.direction).multiplyScalar(n).add(this.origin)},Zt.prototype.distanceToPoint=function(t){return Math.sqrt(this.distanceSqToPoint(t))},Zt.prototype.distanceSqToPoint=function(t){var e=kt.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(kt.copy(this.direction).multiplyScalar(e).add(this.origin),kt.distanceToSquared(t))},Zt.prototype.distanceSqToSegment=function(t,e,n,r){Vt.copy(t).add(e).multiplyScalar(.5),jt.copy(e).sub(t).normalize(),Wt.copy(this.origin).sub(Vt);var i,a,o,s,c=.5*t.distanceTo(e),l=-this.direction.dot(jt),h=Wt.dot(this.direction),u=-Wt.dot(jt),p=Wt.lengthSq(),d=Math.abs(1-l*l);if(d>0)if(a=l*h-u,s=c*d,(i=l*u-h)>=0)if(a>=-s)if(a<=s){var f=1/d;o=(i*=f)*(i+l*(a*=f)+2*h)+a*(l*i+a+2*u)+p}else a=c,o=-(i=Math.max(0,-(l*a+h)))*i+a*(a+2*u)+p;else a=-c,o=-(i=Math.max(0,-(l*a+h)))*i+a*(a+2*u)+p;else a<=-s?o=-(i=Math.max(0,-(-l*c+h)))*i+(a=i>0?-c:Math.min(Math.max(-c,-u),c))*(a+2*u)+p:a<=s?(i=0,o=(a=Math.min(Math.max(-c,-u),c))*(a+2*u)+p):o=-(i=Math.max(0,-(l*c+h)))*i+(a=i>0?c:Math.min(Math.max(-c,-u),c))*(a+2*u)+p;else a=l>0?-c:c,o=-(i=Math.max(0,-(l*a+h)))*i+a*(a+2*u)+p;return n&&n.copy(this.direction).multiplyScalar(i).add(this.origin),r&&r.copy(jt).multiplyScalar(a).add(Vt),o},Zt.prototype.intersectSphere=function(t,e){kt.subVectors(t.center,this.origin);var n=kt.dot(this.direction),r=kt.dot(kt)-n*n,i=t.radius*t.radius;if(r>i)return null;var a=Math.sqrt(i-r),o=n-a,s=n+a;return o<0&&s<0?null:o<0?this.at(s,e):this.at(o,e)},Zt.prototype.intersectsSphere=function(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius},Zt.prototype.distanceToPlane=function(t){var e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;var n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null},Zt.prototype.intersectPlane=function(t,e){var n=this.distanceToPlane(t);return null===n?null:this.at(n,e)},Zt.prototype.intersectsPlane=function(t){var e=t.distanceToPoint(this.origin);return 0===e||t.normal.dot(this.direction)*e<0},Zt.prototype.intersectBox=function(t,e){var n,r,i,a,o,s,c=1/this.direction.x,l=1/this.direction.y,h=1/this.direction.z,u=this.origin;return c>=0?(n=(t.min.x-u.x)*c,r=(t.max.x-u.x)*c):(n=(t.max.x-u.x)*c,r=(t.min.x-u.x)*c),l>=0?(i=(t.min.y-u.y)*l,a=(t.max.y-u.y)*l):(i=(t.max.y-u.y)*l,a=(t.min.y-u.y)*l),n>a||i>r?null:((i>n||n!=n)&&(n=i),(a=0?(o=(t.min.z-u.z)*h,s=(t.max.z-u.z)*h):(o=(t.max.z-u.z)*h,s=(t.min.z-u.z)*h),n>s||o>r?null:((o>n||n!=n)&&(n=o),(s=0?n:r,e)))},Zt.prototype.intersectsBox=function(t){return null!==this.intersectBox(t,kt)},Zt.prototype.intersectTriangle=function(t,e,n,r,i){qt.subVectors(e,t),Xt.subVectors(n,t),Yt.crossVectors(qt,Xt);var a,o=this.direction.dot(Yt);if(o>0){if(r)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}Wt.subVectors(this.origin,t);var s=a*this.direction.dot(Xt.crossVectors(Wt,Xt));if(s<0)return null;var c=a*this.direction.dot(qt.cross(Wt));if(c<0)return null;if(s+c>o)return null;var l=-a*Wt.dot(Yt);return l<0?null:this.at(l/o,i)},Zt.prototype.applyMatrix4=function(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this},Zt.prototype.equals=function(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)};var Jt=function(){Object.defineProperty(this,"isMatrix4",{value:!0}),this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")};Jt.prototype.set=function(t,e,n,r,i,a,o,s,c,l,h,u,p,d,f,m){var v=this.elements;return v[0]=t,v[4]=e,v[8]=n,v[12]=r,v[1]=i,v[5]=a,v[9]=o,v[13]=s,v[2]=c,v[6]=l,v[10]=h,v[14]=u,v[3]=p,v[7]=d,v[11]=f,v[15]=m,this},Jt.prototype.identity=function(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this},Jt.prototype.clone=function(){return(new Jt).fromArray(this.elements)},Jt.prototype.copy=function(t){var e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this},Jt.prototype.copyPosition=function(t){var e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this},Jt.prototype.extractBasis=function(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this},Jt.prototype.makeBasis=function(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this},Jt.prototype.extractRotation=function(t){var e=this.elements,n=t.elements,r=1/Qt.setFromMatrixColumn(t,0).length(),i=1/Qt.setFromMatrixColumn(t,1).length(),a=1/Qt.setFromMatrixColumn(t,2).length();return e[0]=n[0]*r,e[1]=n[1]*r,e[2]=n[2]*r,e[3]=0,e[4]=n[4]*i,e[5]=n[5]*i,e[6]=n[6]*i,e[7]=0,e[8]=n[8]*a,e[9]=n[9]*a,e[10]=n[10]*a,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this},Jt.prototype.makeRotationFromEuler=function(t){t&&t.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var e=this.elements,n=t.x,r=t.y,i=t.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(r),c=Math.sin(r),l=Math.cos(i),h=Math.sin(i);if("XYZ"===t.order){var u=a*l,p=a*h,d=o*l,f=o*h;e[0]=s*l,e[4]=-s*h,e[8]=c,e[1]=p+d*c,e[5]=u-f*c,e[9]=-o*s,e[2]=f-u*c,e[6]=d+p*c,e[10]=a*s}else if("YXZ"===t.order){var m=s*l,v=s*h,g=c*l,y=c*h;e[0]=m+y*o,e[4]=g*o-v,e[8]=a*c,e[1]=a*h,e[5]=a*l,e[9]=-o,e[2]=v*o-g,e[6]=y+m*o,e[10]=a*s}else if("ZXY"===t.order){var x=s*l,b=s*h,_=c*l,w=c*h;e[0]=x-w*o,e[4]=-a*h,e[8]=_+b*o,e[1]=b+_*o,e[5]=a*l,e[9]=w-x*o,e[2]=-a*c,e[6]=o,e[10]=a*s}else if("ZYX"===t.order){var M=a*l,S=a*h,T=o*l,E=o*h;e[0]=s*l,e[4]=T*c-S,e[8]=M*c+E,e[1]=s*h,e[5]=E*c+M,e[9]=S*c-T,e[2]=-c,e[6]=o*s,e[10]=a*s}else if("YZX"===t.order){var A=a*s,L=a*c,R=o*s,P=o*c;e[0]=s*l,e[4]=P-A*h,e[8]=R*h+L,e[1]=h,e[5]=a*l,e[9]=-o*l,e[2]=-c*l,e[6]=L*h+R,e[10]=A-P*h}else if("XZY"===t.order){var C=a*s,O=a*c,I=o*s,D=o*c;e[0]=s*l,e[4]=-h,e[8]=c*l,e[1]=C*h+D,e[5]=a*l,e[9]=O*h-I,e[2]=I*h-O,e[6]=o*l,e[10]=D*h+C}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this},Jt.prototype.makeRotationFromQuaternion=function(t){return this.compose($t,t,te)},Jt.prototype.lookAt=function(t,e,n){var r=this.elements;return re.subVectors(t,e),0===re.lengthSq()&&(re.z=1),re.normalize(),ee.crossVectors(n,re),0===ee.lengthSq()&&(1===Math.abs(n.z)?re.x+=1e-4:re.z+=1e-4,re.normalize(),ee.crossVectors(n,re)),ee.normalize(),ne.crossVectors(re,ee),r[0]=ee.x,r[4]=ne.x,r[8]=re.x,r[1]=ee.y,r[5]=ne.y,r[9]=re.y,r[2]=ee.z,r[6]=ne.z,r[10]=re.z,this},Jt.prototype.multiply=function(t,e){return void 0!==e?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(t,e)):this.multiplyMatrices(this,t)},Jt.prototype.premultiply=function(t){return this.multiplyMatrices(t,this)},Jt.prototype.multiplyMatrices=function(t,e){var n=t.elements,r=e.elements,i=this.elements,a=n[0],o=n[4],s=n[8],c=n[12],l=n[1],h=n[5],u=n[9],p=n[13],d=n[2],f=n[6],m=n[10],v=n[14],g=n[3],y=n[7],x=n[11],b=n[15],_=r[0],w=r[4],M=r[8],S=r[12],T=r[1],E=r[5],A=r[9],L=r[13],R=r[2],P=r[6],C=r[10],O=r[14],I=r[3],D=r[7],N=r[11],B=r[15];return i[0]=a*_+o*T+s*R+c*I,i[4]=a*w+o*E+s*P+c*D,i[8]=a*M+o*A+s*C+c*N,i[12]=a*S+o*L+s*O+c*B,i[1]=l*_+h*T+u*R+p*I,i[5]=l*w+h*E+u*P+p*D,i[9]=l*M+h*A+u*C+p*N,i[13]=l*S+h*L+u*O+p*B,i[2]=d*_+f*T+m*R+v*I,i[6]=d*w+f*E+m*P+v*D,i[10]=d*M+f*A+m*C+v*N,i[14]=d*S+f*L+m*O+v*B,i[3]=g*_+y*T+x*R+b*I,i[7]=g*w+y*E+x*P+b*D,i[11]=g*M+y*A+x*C+b*N,i[15]=g*S+y*L+x*O+b*B,this},Jt.prototype.multiplyScalar=function(t){var e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this},Jt.prototype.determinant=function(){var t=this.elements,e=t[0],n=t[4],r=t[8],i=t[12],a=t[1],o=t[5],s=t[9],c=t[13],l=t[2],h=t[6],u=t[10],p=t[14];return t[3]*(+i*s*h-r*c*h-i*o*u+n*c*u+r*o*p-n*s*p)+t[7]*(+e*s*p-e*c*u+i*a*u-r*a*p+r*c*l-i*s*l)+t[11]*(+e*c*h-e*o*p-i*a*h+n*a*p+i*o*l-n*c*l)+t[15]*(-r*o*l-e*s*h+e*o*u+r*a*h-n*a*u+n*s*l)},Jt.prototype.transpose=function(){var t,e=this.elements;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},Jt.prototype.setPosition=function(t,e,n){var r=this.elements;return t.isVector3?(r[12]=t.x,r[13]=t.y,r[14]=t.z):(r[12]=t,r[13]=e,r[14]=n),this},Jt.prototype.getInverse=function(t,e){void 0!==e&&console.warn("THREE.Matrix4: .getInverse() can no longer be configured to throw on degenerate.");var n=this.elements,r=t.elements,i=r[0],a=r[1],o=r[2],s=r[3],c=r[4],l=r[5],h=r[6],u=r[7],p=r[8],d=r[9],f=r[10],m=r[11],v=r[12],g=r[13],y=r[14],x=r[15],b=d*y*u-g*f*u+g*h*m-l*y*m-d*h*x+l*f*x,_=v*f*u-p*y*u-v*h*m+c*y*m+p*h*x-c*f*x,w=p*g*u-v*d*u+v*l*m-c*g*m-p*l*x+c*d*x,M=v*d*h-p*g*h-v*l*f+c*g*f+p*l*y-c*d*y,S=i*b+a*_+o*w+s*M;if(0===S)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);var T=1/S;return n[0]=b*T,n[1]=(g*f*s-d*y*s-g*o*m+a*y*m+d*o*x-a*f*x)*T,n[2]=(l*y*s-g*h*s+g*o*u-a*y*u-l*o*x+a*h*x)*T,n[3]=(d*h*s-l*f*s-d*o*u+a*f*u+l*o*m-a*h*m)*T,n[4]=_*T,n[5]=(p*y*s-v*f*s+v*o*m-i*y*m-p*o*x+i*f*x)*T,n[6]=(v*h*s-c*y*s-v*o*u+i*y*u+c*o*x-i*h*x)*T,n[7]=(c*f*s-p*h*s+p*o*u-i*f*u-c*o*m+i*h*m)*T,n[8]=w*T,n[9]=(v*d*s-p*g*s-v*a*m+i*g*m+p*a*x-i*d*x)*T,n[10]=(c*g*s-v*l*s+v*a*u-i*g*u-c*a*x+i*l*x)*T,n[11]=(p*l*s-c*d*s-p*a*u+i*d*u+c*a*m-i*l*m)*T,n[12]=M*T,n[13]=(p*g*o-v*d*o+v*a*f-i*g*f-p*a*y+i*d*y)*T,n[14]=(v*l*o-c*g*o-v*a*h+i*g*h+c*a*y-i*l*y)*T,n[15]=(c*d*o-p*l*o+p*a*h-i*d*h-c*a*f+i*l*f)*T,this},Jt.prototype.scale=function(t){var e=this.elements,n=t.x,r=t.y,i=t.z;return e[0]*=n,e[4]*=r,e[8]*=i,e[1]*=n,e[5]*=r,e[9]*=i,e[2]*=n,e[6]*=r,e[10]*=i,e[3]*=n,e[7]*=r,e[11]*=i,this},Jt.prototype.getMaxScaleOnAxis=function(){var t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],r=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,r))},Jt.prototype.makeTranslation=function(t,e,n){return this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this},Jt.prototype.makeRotationX=function(t){var e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this},Jt.prototype.makeRotationY=function(t){var e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this},Jt.prototype.makeRotationZ=function(t){var e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this},Jt.prototype.makeRotationAxis=function(t,e){var n=Math.cos(e),r=Math.sin(e),i=1-n,a=t.x,o=t.y,s=t.z,c=i*a,l=i*o;return this.set(c*a+n,c*o-r*s,c*s+r*o,0,c*o+r*s,l*o+n,l*s-r*a,0,c*s-r*o,l*s+r*a,i*s*s+n,0,0,0,0,1),this},Jt.prototype.makeScale=function(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this},Jt.prototype.makeShear=function(t,e,n){return this.set(1,e,n,0,t,1,n,0,t,e,1,0,0,0,0,1),this},Jt.prototype.compose=function(t,e,n){var r=this.elements,i=e._x,a=e._y,o=e._z,s=e._w,c=i+i,l=a+a,h=o+o,u=i*c,p=i*l,d=i*h,f=a*l,m=a*h,v=o*h,g=s*c,y=s*l,x=s*h,b=n.x,_=n.y,w=n.z;return r[0]=(1-(f+v))*b,r[1]=(p+x)*b,r[2]=(d-y)*b,r[3]=0,r[4]=(p-x)*_,r[5]=(1-(u+v))*_,r[6]=(m+g)*_,r[7]=0,r[8]=(d+y)*w,r[9]=(m-g)*w,r[10]=(1-(u+f))*w,r[11]=0,r[12]=t.x,r[13]=t.y,r[14]=t.z,r[15]=1,this},Jt.prototype.decompose=function(t,e,n){var r=this.elements,i=Qt.set(r[0],r[1],r[2]).length(),a=Qt.set(r[4],r[5],r[6]).length(),o=Qt.set(r[8],r[9],r[10]).length();this.determinant()<0&&(i=-i),t.x=r[12],t.y=r[13],t.z=r[14],Kt.copy(this);var s=1/i,c=1/a,l=1/o;return Kt.elements[0]*=s,Kt.elements[1]*=s,Kt.elements[2]*=s,Kt.elements[4]*=c,Kt.elements[5]*=c,Kt.elements[6]*=c,Kt.elements[8]*=l,Kt.elements[9]*=l,Kt.elements[10]*=l,e.setFromRotationMatrix(Kt),n.x=i,n.y=a,n.z=o,this},Jt.prototype.makePerspective=function(t,e,n,r,i,a){void 0===a&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var o=this.elements,s=2*i/(e-t),c=2*i/(n-r),l=(e+t)/(e-t),h=(n+r)/(n-r),u=-(a+i)/(a-i),p=-2*a*i/(a-i);return o[0]=s,o[4]=0,o[8]=l,o[12]=0,o[1]=0,o[5]=c,o[9]=h,o[13]=0,o[2]=0,o[6]=0,o[10]=u,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this},Jt.prototype.makeOrthographic=function(t,e,n,r,i,a){var o=this.elements,s=1/(e-t),c=1/(n-r),l=1/(a-i),h=(e+t)*s,u=(n+r)*c,p=(a+i)*l;return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-h,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-u,o[2]=0,o[6]=0,o[10]=-2*l,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this},Jt.prototype.equals=function(t){for(var e=this.elements,n=t.elements,r=0;r<16;r++)if(e[r]!==n[r])return!1;return!0},Jt.prototype.fromArray=function(t,e){void 0===e&&(e=0);for(var n=0;n<16;n++)this.elements[n]=t[n+e];return this},Jt.prototype.toArray=function(t,e){void 0===t&&(t=[]),void 0===e&&(e=0);var n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t};var Qt=new wt,Kt=new Jt,$t=new wt(0,0,0),te=new wt(1,1,1),ee=new wt,ne=new wt,re=new wt,ie=function t(e,n,r,i){void 0===e&&(e=0),void 0===n&&(n=0),void 0===r&&(r=0),void 0===i&&(i=t.DefaultOrder),Object.defineProperty(this,"isEuler",{value:!0}),this._x=e,this._y=n,this._z=r,this._order=i},ae={x:{configurable:!0},y:{configurable:!0},z:{configurable:!0},order:{configurable:!0}};ae.x.get=function(){return this._x},ae.x.set=function(t){this._x=t,this._onChangeCallback()},ae.y.get=function(){return this._y},ae.y.set=function(t){this._y=t,this._onChangeCallback()},ae.z.get=function(){return this._z},ae.z.set=function(t){this._z=t,this._onChangeCallback()},ae.order.get=function(){return this._order},ae.order.set=function(t){this._order=t,this._onChangeCallback()},ie.prototype.set=function(t,e,n,r){return this._x=t,this._y=e,this._z=n,this._order=r||this._order,this._onChangeCallback(),this},ie.prototype.clone=function(){return new this.constructor(this._x,this._y,this._z,this._order)},ie.prototype.copy=function(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this},ie.prototype.setFromRotationMatrix=function(t,e,n){var r=ct.clamp,i=t.elements,a=i[0],o=i[4],s=i[8],c=i[1],l=i[5],h=i[9],u=i[2],p=i[6],d=i[10];switch(e=e||this._order){case"XYZ":this._y=Math.asin(r(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-h,d),this._z=Math.atan2(-o,a)):(this._x=Math.atan2(p,l),this._z=0);break;case"YXZ":this._x=Math.asin(-r(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(s,d),this._z=Math.atan2(c,l)):(this._y=Math.atan2(-u,a),this._z=0);break;case"ZXY":this._x=Math.asin(r(p,-1,1)),Math.abs(p)<.9999999?(this._y=Math.atan2(-u,d),this._z=Math.atan2(-o,l)):(this._y=0,this._z=Math.atan2(c,a));break;case"ZYX":this._y=Math.asin(-r(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(p,d),this._z=Math.atan2(c,a)):(this._x=0,this._z=Math.atan2(-o,l));break;case"YZX":this._z=Math.asin(r(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(-h,l),this._y=Math.atan2(-u,a)):(this._x=0,this._y=Math.atan2(s,d));break;case"XZY":this._z=Math.asin(-r(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(p,l),this._y=Math.atan2(s,a)):(this._x=Math.atan2(-h,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!1!==n&&this._onChangeCallback(),this},ie.prototype.setFromQuaternion=function(t,e,n){return oe.makeRotationFromQuaternion(t),this.setFromRotationMatrix(oe,e,n)},ie.prototype.setFromVector3=function(t,e){return this.set(t.x,t.y,t.z,e||this._order)},ie.prototype.reorder=function(t){return se.setFromEuler(this),this.setFromQuaternion(se,t)},ie.prototype.equals=function(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order},ie.prototype.fromArray=function(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this},ie.prototype.toArray=function(t,e){return void 0===t&&(t=[]),void 0===e&&(e=0),t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t},ie.prototype.toVector3=function(t){return t?t.set(this._x,this._y,this._z):new wt(this._x,this._y,this._z)},ie.prototype._onChange=function(t){return this._onChangeCallback=t,this},ie.prototype._onChangeCallback=function(){},Object.defineProperties(ie.prototype,ae),ie.DefaultOrder="XYZ",ie.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];var oe=new Jt,se=new bt,ce=function(){this.mask=1};ce.prototype.set=function(t){this.mask=1<1){for(var e=0;e1){for(var e=0;e0){r.children=[];for(var d=0;d0&&(n.geometries=f),m.length>0&&(n.materials=m),v.length>0&&(n.textures=v),g.length>0&&(n.images=g),y.length>0&&(n.shapes=y)}return n.object=r,n;function x(t){var e=[];for(var n in t){var r=t[n];delete r.metadata,e.push(r)}return e}},clone:function(t){return(new this.constructor).copy(this,t)},copy:function(t,e){if(void 0===e&&(e=!0),this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(var n=0;n1?void 0:e.copy(n).multiplyScalar(i).add(t.start)},Ee.prototype.intersectsLine=function(t){var e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0},Ee.prototype.intersectsBox=function(t){return t.intersectsPlane(this)},Ee.prototype.intersectsSphere=function(t){return t.intersectsPlane(this)},Ee.prototype.coplanarPoint=function(t){return void 0===t&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),t=new wt),t.copy(this.normal).multiplyScalar(-this.constant)},Ee.prototype.applyMatrix4=function(t,e){var n=e||Te.getNormalMatrix(t),r=this.coplanarPoint(Me).applyMatrix4(t),i=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(i),this},Ee.prototype.translate=function(t){return this.constant-=t.dot(this.normal),this},Ee.prototype.equals=function(t){return t.normal.equals(this.normal)&&t.constant===this.constant};var Ae=new wt,Le=new wt,Re=new wt,Pe=new wt,Ce=new wt,Oe=new wt,Ie=new wt,De=new wt,Ne=new wt,Be=new wt,ze=function(t,e,n){this.a=void 0!==t?t:new wt,this.b=void 0!==e?e:new wt,this.c=void 0!==n?n:new wt};ze.getNormal=function(t,e,n,r){void 0===r&&(console.warn("THREE.Triangle: .getNormal() target is now required"),r=new wt),r.subVectors(n,e),Ae.subVectors(t,e),r.cross(Ae);var i=r.lengthSq();return i>0?r.multiplyScalar(1/Math.sqrt(i)):r.set(0,0,0)},ze.getBarycoord=function(t,e,n,r,i){Ae.subVectors(r,e),Le.subVectors(n,e),Re.subVectors(t,e);var a=Ae.dot(Ae),o=Ae.dot(Le),s=Ae.dot(Re),c=Le.dot(Le),l=Le.dot(Re),h=a*c-o*o;if(void 0===i&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),i=new wt),0===h)return i.set(-2,-1,-1);var u=1/h,p=(c*s-o*l)*u,d=(a*l-o*s)*u;return i.set(1-p-d,d,p)},ze.containsPoint=function(t,e,n,r){return this.getBarycoord(t,e,n,r,Pe),Pe.x>=0&&Pe.y>=0&&Pe.x+Pe.y<=1},ze.getUV=function(t,e,n,r,i,a,o,s){return this.getBarycoord(t,e,n,r,Pe),s.set(0,0),s.addScaledVector(i,Pe.x),s.addScaledVector(a,Pe.y),s.addScaledVector(o,Pe.z),s},ze.isFrontFacing=function(t,e,n,r){return Ae.subVectors(n,e),Le.subVectors(t,e),Ae.cross(Le).dot(r)<0},ze.prototype.set=function(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this},ze.prototype.setFromPointsAndIndices=function(t,e,n,r){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[r]),this},ze.prototype.clone=function(){return(new this.constructor).copy(this)},ze.prototype.copy=function(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this},ze.prototype.getArea=function(){return Ae.subVectors(this.c,this.b),Le.subVectors(this.a,this.b),.5*Ae.cross(Le).length()},ze.prototype.getMidpoint=function(t){return void 0===t&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),t=new wt),t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)},ze.prototype.getNormal=function(t){return ze.getNormal(this.a,this.b,this.c,t)},ze.prototype.getPlane=function(t){return void 0===t&&(console.warn("THREE.Triangle: .getPlane() target is now required"),t=new Ee),t.setFromCoplanarPoints(this.a,this.b,this.c)},ze.prototype.getBarycoord=function(t,e){return ze.getBarycoord(t,this.a,this.b,this.c,e)},ze.prototype.getUV=function(t,e,n,r,i){return ze.getUV(t,this.a,this.b,this.c,e,n,r,i)},ze.prototype.containsPoint=function(t){return ze.containsPoint(t,this.a,this.b,this.c)},ze.prototype.isFrontFacing=function(t){return ze.isFrontFacing(this.a,this.b,this.c,t)},ze.prototype.intersectsBox=function(t){return t.intersectsTriangle(this)},ze.prototype.closestPointToPoint=function(t,e){void 0===e&&(console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),e=new wt);var n,r,i=this.a,a=this.b,o=this.c;Ce.subVectors(a,i),Oe.subVectors(o,i),De.subVectors(t,i);var s=Ce.dot(De),c=Oe.dot(De);if(s<=0&&c<=0)return e.copy(i);Ne.subVectors(t,a);var l=Ce.dot(Ne),h=Oe.dot(Ne);if(l>=0&&h<=l)return e.copy(a);var u=s*h-l*c;if(u<=0&&s>=0&&l<=0)return n=s/(s-l),e.copy(i).addScaledVector(Ce,n);Be.subVectors(t,o);var p=Ce.dot(Be),d=Oe.dot(Be);if(d>=0&&p<=d)return e.copy(o);var f=p*c-s*d;if(f<=0&&c>=0&&d<=0)return r=c/(c-d),e.copy(i).addScaledVector(Oe,r);var m=l*d-p*h;if(m<=0&&h-l>=0&&p-d>=0)return Ie.subVectors(o,a),r=(h-l)/(h-l+(p-d)),e.copy(a).addScaledVector(Ie,r);var v=1/(m+f+u);return n=f*v,r=u*v,e.copy(i).addScaledVector(Ce,n).addScaledVector(Oe,r)},ze.prototype.equals=function(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)};var Ge={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Ue={h:0,s:0,l:0},Fe={h:0,s:0,l:0};function He(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}function ke(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Ve(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}var je=function(t,e,n){return Object.defineProperty(this,"isColor",{value:!0}),void 0===e&&void 0===n?this.set(t):this.setRGB(t,e,n)};je.prototype.set=function(t){return t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t),this},je.prototype.setScalar=function(t){return this.r=t,this.g=t,this.b=t,this},je.prototype.setHex=function(t){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,this},je.prototype.setRGB=function(t,e,n){return this.r=t,this.g=e,this.b=n,this},je.prototype.setHSL=function(t,e,n){if(t=ct.euclideanModulo(t,1),e=ct.clamp(e,0,1),n=ct.clamp(n,0,1),0===e)this.r=this.g=this.b=n;else{var r=n<=.5?n*(1+e):n+e-n*e,i=2*n-r;this.r=He(i,r,t+1/3),this.g=He(i,r,t),this.b=He(i,r,t-1/3)}return this},je.prototype.setStyle=function(t){function e(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}var n;if(n=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(t)){var r,i=n[1],a=n[2];switch(i){case"rgb":case"rgba":if(r=/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(a))return this.r=Math.min(255,parseInt(r[1],10))/255,this.g=Math.min(255,parseInt(r[2],10))/255,this.b=Math.min(255,parseInt(r[3],10))/255,e(r[5]),this;if(r=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(a))return this.r=Math.min(100,parseInt(r[1],10))/100,this.g=Math.min(100,parseInt(r[2],10))/100,this.b=Math.min(100,parseInt(r[3],10))/100,e(r[5]),this;break;case"hsl":case"hsla":if(r=/^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(a)){var o=parseFloat(r[1])/360,s=parseInt(r[2],10)/100,c=parseInt(r[3],10)/100;return e(r[5]),this.setHSL(o,s,c)}}}else if(n=/^\#([A-Fa-f0-9]+)$/.exec(t)){var l=n[1],h=l.length;if(3===h)return this.r=parseInt(l.charAt(0)+l.charAt(0),16)/255,this.g=parseInt(l.charAt(1)+l.charAt(1),16)/255,this.b=parseInt(l.charAt(2)+l.charAt(2),16)/255,this;if(6===h)return this.r=parseInt(l.charAt(0)+l.charAt(1),16)/255,this.g=parseInt(l.charAt(2)+l.charAt(3),16)/255,this.b=parseInt(l.charAt(4)+l.charAt(5),16)/255,this}return t&&t.length>0?this.setColorName(t):this},je.prototype.setColorName=function(t){var e=Ge[t];return void 0!==e?this.setHex(e):console.warn("THREE.Color: Unknown color "+t),this},je.prototype.clone=function(){return new this.constructor(this.r,this.g,this.b)},je.prototype.copy=function(t){return this.r=t.r,this.g=t.g,this.b=t.b,this},je.prototype.copyGammaToLinear=function(t,e){return void 0===e&&(e=2),this.r=Math.pow(t.r,e),this.g=Math.pow(t.g,e),this.b=Math.pow(t.b,e),this},je.prototype.copyLinearToGamma=function(t,e){void 0===e&&(e=2);var n=e>0?1/e:1;return this.r=Math.pow(t.r,n),this.g=Math.pow(t.g,n),this.b=Math.pow(t.b,n),this},je.prototype.convertGammaToLinear=function(t){return this.copyGammaToLinear(this,t),this},je.prototype.convertLinearToGamma=function(t){return this.copyLinearToGamma(this,t),this},je.prototype.copySRGBToLinear=function(t){return this.r=ke(t.r),this.g=ke(t.g),this.b=ke(t.b),this},je.prototype.copyLinearToSRGB=function(t){return this.r=Ve(t.r),this.g=Ve(t.g),this.b=Ve(t.b),this},je.prototype.convertSRGBToLinear=function(){return this.copySRGBToLinear(this),this},je.prototype.convertLinearToSRGB=function(){return this.copyLinearToSRGB(this),this},je.prototype.getHex=function(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0},je.prototype.getHexString=function(){return("000000"+this.getHex().toString(16)).slice(-6)},je.prototype.getHSL=function(t){void 0===t&&(console.warn("THREE.Color: .getHSL() target is now required"),t={h:0,s:0,l:0});var e,n,r=this.r,i=this.g,a=this.b,o=Math.max(r,i,a),s=Math.min(r,i,a),c=(s+o)/2;if(s===o)e=0,n=0;else{var l=o-s;switch(n=c<=.5?l/(o+s):l/(2-o-s),o){case r:e=(i-a)/l+(i0&&(n.alphaTest=this.alphaTest),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.morphTargets&&(n.morphTargets=!0),!0===this.morphNormals&&(n.morphNormals=!0),!0===this.skinning&&(n.skinning=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),e){var i=r(t.textures),a=r(t.images);i.length>0&&(n.textures=i),a.length>0&&(n.images=a)}return n},clone:function(){return(new this.constructor).copy(this)},copy:function(t){this.name=t.name,this.fog=t.fog,this.blending=t.blending,this.side=t.side,this.flatShading=t.flatShading,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;var e=t.clippingPlanes,n=null;if(null!==e){var r=e.length;n=new Array(r);for(var i=0;i!==r;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.premultipliedAlpha=t.premultipliedAlpha,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(Xe.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),Ye.prototype=Object.create(Xe.prototype),Ye.prototype.constructor=Ye,Ye.prototype.isMeshBasicMaterial=!0,Ye.prototype.copy=function(t){return Xe.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this};var Ze=new wt,Je=new lt;function Qe(t,e,n){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=!0===n,this.usage=et,this.updateRange={offset:0,count:-1},this.version=0}function Ke(t,e,n){Qe.call(this,new Int8Array(t),e,n)}function $e(t,e,n){Qe.call(this,new Uint8Array(t),e,n)}function tn(t,e,n){Qe.call(this,new Uint8ClampedArray(t),e,n)}function en(t,e,n){Qe.call(this,new Int16Array(t),e,n)}function nn(t,e,n){Qe.call(this,new Uint16Array(t),e,n)}function rn(t,e,n){Qe.call(this,new Int32Array(t),e,n)}function an(t,e,n){Qe.call(this,new Uint32Array(t),e,n)}function on(t,e,n){Qe.call(this,new Float32Array(t),e,n)}function sn(t,e,n){Qe.call(this,new Float64Array(t),e,n)}Object.defineProperty(Qe.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),Object.assign(Qe.prototype,{isBufferAttribute:!0,onUploadCallback:function(){},setUsage:function(t){return this.usage=t,this},copy:function(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this},copyAt:function(t,e,n){t*=this.itemSize,n*=e.itemSize;for(var r=0,i=this.itemSize;re&&(e=t[n]);return e}cn.prototype.computeGroups=function(t){var e,n,r=[],i=void 0,a=t.faces;for(n=0;n0,o=i[1]&&i[1].length>0,s=t.morphTargets,c=s.length;if(c>0){e=[];for(var l=0;l0){h=[];for(var d=0;d0&&0===n.length&&console.error("THREE.DirectGeometry: Faceless geometries are not supported.");for(var y=0;y65535?an:nn)(t,1):this.index=t},getAttribute:function(t){return this.attributes[t]},setAttribute:function(t,e){return this.attributes[t]=e,this},deleteAttribute:function(t){return delete this.attributes[t],this},addGroup:function(t,e,n){this.groups.push({start:t,count:e,materialIndex:void 0!==n?n:0})},clearGroups:function(){this.groups=[]},setDrawRange:function(t,e){this.drawRange.start=t,this.drawRange.count=e},applyMatrix4:function(t){var e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);var n=this.attributes.normal;if(void 0!==n){var r=(new pt).getNormalMatrix(t);n.applyNormalMatrix(r),n.needsUpdate=!0}var i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(t){return un.makeRotationX(t),this.applyMatrix4(un),this},rotateY:function(t){return un.makeRotationY(t),this.applyMatrix4(un),this},rotateZ:function(t){return un.makeRotationZ(t),this.applyMatrix4(un),this},translate:function(t,e,n){return un.makeTranslation(t,e,n),this.applyMatrix4(un),this},scale:function(t,e,n){return un.makeScale(t,e,n),this.applyMatrix4(un),this},lookAt:function(t){return pn.lookAt(t),pn.updateMatrix(),this.applyMatrix4(pn.matrix),this},center:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(dn).negate(),this.translate(dn.x,dn.y,dn.z),this},setFromObject:function(t){var e=t.geometry;if(t.isPoints||t.isLine){var n=new on(3*e.vertices.length,3),r=new on(3*e.colors.length,3);if(this.setAttribute("position",n.copyVector3sArray(e.vertices)),this.setAttribute("color",r.copyColorsArray(e.colors)),e.lineDistances&&e.lineDistances.length===e.vertices.length){var i=new on(e.lineDistances.length,1);this.setAttribute("lineDistance",i.copyArray(e.lineDistances))}null!==e.boundingSphere&&(this.boundingSphere=e.boundingSphere.clone()),null!==e.boundingBox&&(this.boundingBox=e.boundingBox.clone())}else t.isMesh&&e&&e.isGeometry&&this.fromGeometry(e);return this},setFromPoints:function(t){for(var e=[],n=0,r=t.length;n0){var n=new Float32Array(3*t.normals.length);this.setAttribute("normal",new Qe(n,3).copyVector3sArray(t.normals))}if(t.colors.length>0){var r=new Float32Array(3*t.colors.length);this.setAttribute("color",new Qe(r,3).copyColorsArray(t.colors))}if(t.uvs.length>0){var i=new Float32Array(2*t.uvs.length);this.setAttribute("uv",new Qe(i,2).copyVector2sArray(t.uvs))}if(t.uvs2.length>0){var a=new Float32Array(2*t.uvs2.length);this.setAttribute("uv2",new Qe(a,2).copyVector2sArray(t.uvs2))}for(var o in this.groups=t.groups,t.morphTargets){for(var s=[],c=t.morphTargets[o],l=0,h=c.length;l0){var d=new on(4*t.skinIndices.length,4);this.setAttribute("skinIndex",d.copyVector4sArray(t.skinIndices))}if(t.skinWeights.length>0){var f=new on(4*t.skinWeights.length,4);this.setAttribute("skinWeight",f.copyVector4sArray(t.skinWeights))}return null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new Tt);var t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new wt(-1/0,-1/0,-1/0),new wt(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(var n=0,r=e.length;n0&&(t.userData=this.userData),void 0!==this.parameters){var e=this.parameters;for(var n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};var r=this.index;null!==r&&(t.data.index={type:r.array.constructor.name,array:Array.prototype.slice.call(r.array)});var i=this.attributes;for(var a in i){var o=i[a],s=o.toJSON(t.data);""!==o.name&&(s.name=o.name),t.data.attributes[a]=s}var c={},l=!1;for(var h in this.morphAttributes){for(var u=this.morphAttributes[h],p=[],d=0,f=u.length;d0&&(c[h]=p,l=!0)}l&&(t.data.morphAttributes=c,t.data.morphTargetsRelative=this.morphTargetsRelative);var g=this.groups;g.length>0&&(t.data.groups=JSON.parse(JSON.stringify(g)));var y=this.boundingSphere;return null!==y&&(t.data.boundingSphere={center:y.center.toArray(),radius:y.radius}),t},clone:function(){return(new gn).copy(this)},copy:function(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;var e={};this.name=t.name;var n=t.index;null!==n&&this.setIndex(n.clone(e));var r=t.attributes;for(var i in r){var a=r[i];this.setAttribute(i,a.clone(e))}var o=t.morphAttributes;for(var s in o){for(var c=[],l=o[s],h=0,u=l.length;hn.far?null:{distance:c,point:Dn.clone(),object:t}}function zn(t,e,n,r,i,a,o,s,c,l,h,u){_n.fromBufferAttribute(i,l),wn.fromBufferAttribute(i,h),Mn.fromBufferAttribute(i,u);var p=t.morphTargetInfluences;if(e.morphTargets&&a&&p){An.set(0,0,0),Ln.set(0,0,0),Rn.set(0,0,0);for(var d=0,f=a.length;d0){var r=e[n[0]];if(void 0!==r){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(var i=0,a=r.length;i0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}},raycast:function(t,e){var n,r=this.geometry,i=this.material,a=this.matrixWorld;if(void 0!==i&&(null===r.boundingSphere&&r.computeBoundingSphere(),bn.copy(r.boundingSphere),bn.applyMatrix4(a),!1!==t.ray.intersectsSphere(bn)&&(yn.getInverse(a),xn.copy(t.ray).applyMatrix4(yn),null===r.boundingBox||!1!==xn.intersectsBox(r.boundingBox))))if(r.isBufferGeometry){var o=r.index,s=r.attributes.position,c=r.morphAttributes.position,l=r.morphTargetsRelative,h=r.attributes.uv,u=r.attributes.uv2,p=r.groups,d=r.drawRange;if(null!==o)if(Array.isArray(i))for(var f=0,m=p.length;f0&&(B=F);for(var H=0,k=U.length;H0?1:-1,l.push(A.x,A.y,A.z),h.push(P/m),h.push(1-L/v),T+=1}for(var O=0;O0)for(var p=0;p0&&(this.normalsNeedUpdate=!0)},computeFlatVertexNormals:function(){this.computeFaceNormals();for(var t=0,e=this.faces.length;t0&&(this.normalsNeedUpdate=!0)},computeMorphNormals:function(){for(var t=0,e=this.faces.length;t=0;f--){var m=c[f];this.faces.splice(m,1);for(var v=0,g=this.faceVertexUvs.length;v0,g=f.vertexNormals.length>0,y=1!==f.color.r||1!==f.color.g||1!==f.color.b,x=f.vertexColors.length>0,b=0;if(b=S(b,0,0),b=S(b,1,!0),b=S(b,2,!1),b=S(b,3,m),b=S(b,4,v),b=S(b,5,g),b=S(b,6,y),b=S(b,7,x),o.push(b),o.push(f.a,f.b,f.c),o.push(f.materialIndex),m){var _=this.faceVertexUvs[0][d];o.push(A(_[0]),A(_[1]),A(_[2]))}if(v&&o.push(T(f.normal)),g){var w=f.vertexNormals;o.push(T(w[0]),T(w[1]),T(w[2]))}if(y&&o.push(E(f.color)),x){var M=f.vertexColors;o.push(E(M[0]),E(M[1]),E(M[2]))}}function S(t,e,n){return n?t|1<0&&(t.data.colors=l),u.length>0&&(t.data.uvs=[u]),t.data.faces=o,t},clone:function(){return(new kn).copy(this)},copy:function(t){this.vertices=[],this.colors=[],this.faces=[],this.faceVertexUvs=[[]],this.morphTargets=[],this.morphNormals=[],this.skinWeights=[],this.skinIndices=[],this.lineDistances=[],this.boundingBox=null,this.boundingSphere=null,this.name=t.name;for(var e=t.vertices,n=0,r=e.length;n0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader;var i={};for(var a in this.extensions)!0===this.extensions[a]&&(i[a]=!0);return Object.keys(i).length>0&&(e.extensions=i),e},Zn.prototype=Object.assign(Object.create(we.prototype),{constructor:Zn,isCamera:!0,copy:function(t,e){return we.prototype.copy.call(this,t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this},getWorldDirection:function(t){void 0===t&&(console.warn("THREE.Camera: .getWorldDirection() target is now required"),t=new wt),this.updateMatrixWorld(!0);var e=this.matrixWorld.elements;return t.set(-e[8],-e[9],-e[10]).normalize()},updateMatrixWorld:function(t){we.prototype.updateMatrixWorld.call(this,t),this.matrixWorldInverse.getInverse(this.matrixWorld)},updateWorldMatrix:function(t,e){we.prototype.updateWorldMatrix.call(this,t,e),this.matrixWorldInverse.getInverse(this.matrixWorld)},clone:function(){return(new this.constructor).copy(this)}}),Jn.prototype=Object.assign(Object.create(Zn.prototype),{constructor:Jn,isPerspectiveCamera:!0,copy:function(t,e){return Zn.prototype.copy.call(this,t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this},setFocalLength:function(t){var e=.5*this.getFilmHeight()/t;this.fov=2*ct.RAD2DEG*Math.atan(e),this.updateProjectionMatrix()},getFocalLength:function(){var t=Math.tan(.5*ct.DEG2RAD*this.fov);return.5*this.getFilmHeight()/t},getEffectiveFOV:function(){return 2*ct.RAD2DEG*Math.atan(Math.tan(.5*ct.DEG2RAD*this.fov)/this.zoom)},getFilmWidth:function(){return this.filmGauge*Math.min(this.aspect,1)},getFilmHeight:function(){return this.filmGauge/Math.max(this.aspect,1)},setViewOffset:function(t,e,n,r,i,a){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){var t=this.near,e=t*Math.tan(.5*ct.DEG2RAD*this.fov)/this.zoom,n=2*e,r=this.aspect*n,i=-.5*r,a=this.view;if(null!==this.view&&this.view.enabled){var o=a.fullWidth,s=a.fullHeight;i+=a.offsetX*r/o,e-=a.offsetY*n/s,r*=a.width/o,n*=a.height/s}var c=this.filmOffset;0!==c&&(i+=t*c/this.getFilmWidth()),this.projectionMatrix.makePerspective(i,i+r,e,e-n,t,this.far),this.projectionMatrixInverse.getInverse(this.projectionMatrix)},toJSON:function(t){var e=we.prototype.toJSON.call(this,t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}});var Qn=90;function Kn(t,e,n){if(we.call(this),this.type="CubeCamera",!0===n.isWebGLCubeRenderTarget){this.renderTarget=n;var r=new Jn(Qn,1,t,e);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new wt(1,0,0)),this.add(r);var i=new Jn(Qn,1,t,e);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new wt(-1,0,0)),this.add(i);var a=new Jn(Qn,1,t,e);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new wt(0,1,0)),this.add(a);var o=new Jn(Qn,1,t,e);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new wt(0,-1,0)),this.add(o);var s=new Jn(Qn,1,t,e);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new wt(0,0,1)),this.add(s);var c=new Jn(Qn,1,t,e);c.layers=this.layers,c.up.set(0,-1,0),c.lookAt(new wt(0,0,-1)),this.add(c),this.update=function(t,e){null===this.parent&&this.updateMatrixWorld();var l=t.xr.enabled,h=t.getRenderTarget();t.xr.enabled=!1;var u=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0),t.render(e,r),t.setRenderTarget(n,1),t.render(e,i),t.setRenderTarget(n,2),t.render(e,a),t.setRenderTarget(n,3),t.render(e,o),t.setRenderTarget(n,4),t.render(e,s),n.texture.generateMipmaps=u,t.setRenderTarget(n,5),t.render(e,c),t.setRenderTarget(h),t.xr.enabled=l},this.clear=function(t,e,r,i){for(var a=t.getRenderTarget(),o=0;o<6;o++)t.setRenderTarget(n,o),t.clear(e,r,i);t.setRenderTarget(a)}}else console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.")}function $n(t,e,n){Number.isInteger(e)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),e=n),yt.call(this,t,t,e),this.texture.isWebGLCubeRenderTargetTexture=!0}function tr(t,e,n,r,i,a,o,s,c,l,h,u){mt.call(this,null,a,o,s,c,l,r,i,h,u),this.image={data:t||null,width:e||1,height:n||1},this.magFilter=void 0!==c?c:d,this.minFilter=void 0!==l?l:d,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}Kn.prototype=Object.create(we.prototype),Kn.prototype.constructor=Kn,$n.prototype=Object.create(yt.prototype),$n.prototype.constructor=$n,$n.prototype.isWebGLCubeRenderTarget=!0,$n.prototype.fromEquirectangularTexture=function(t,e){this.texture.type=e.type,this.texture.format=E,this.texture.encoding=e.encoding,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;var n={tEquirect:{value:null}},r="\n\n\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t#include \n\t\t\t\t#include \n\n\t\t\t}\n\t\t",i="\n\n\t\t\tuniform sampler2D tEquirect;\n\n\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t}\n\t\t",a=new jn(5,5,5),o=new Yn({name:"CubemapFromEquirect",uniforms:Wn(n),vertexShader:r,fragmentShader:i,side:1,blending:0});o.uniforms.tEquirect.value=e;var s=new Nn(a,o),c=e.minFilter;return e.minFilter===y&&(e.minFilter=v),new Kn(1,10,this).update(t,s),e.minFilter=c,s.geometry.dispose(),s.material.dispose(),this},tr.prototype=Object.create(mt.prototype),tr.prototype.constructor=tr,tr.prototype.isDataTexture=!0;var er=new Ht,nr=new wt,rr=function(t,e,n,r,i,a){this.planes=[void 0!==t?t:new Ee,void 0!==e?e:new Ee,void 0!==n?n:new Ee,void 0!==r?r:new Ee,void 0!==i?i:new Ee,void 0!==a?a:new Ee]};function ir(){var t=null,e=!1,n=null,r=null;function i(e,a){n(e,a),r=t.requestAnimationFrame(i)}return{start:function(){!0!==e&&null!==n&&(r=t.requestAnimationFrame(i),e=!0)},stop:function(){t.cancelAnimationFrame(r),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function ar(t,e){var n=e.isWebGL2,r=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),r.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);var n=r.get(e);n&&(t.deleteBuffer(n.buffer),r.delete(e))},update:function(e,i){if(e.isGLBufferAttribute){var a=r.get(e);(!a||a.version0?t.max.x:t.min.x,nr.y=r.normal.y>0?t.max.y:t.min.y,nr.z=r.normal.z>0?t.max.z:t.min.z,r.distanceToPoint(nr)<0)return!1}return!0},rr.prototype.containsPoint=function(t){for(var e=this.planes,n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0},or.prototype=Object.create(kn.prototype),or.prototype.constructor=or,sr.prototype=Object.create(gn.prototype),sr.prototype.constructor=sr;var cr={alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex:"vec3 transformed = vec3( position );",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"vec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\treturn Fr * fresnel + F0;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\treturn specularColor * brdf.x + brdf.y;\n}\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie(float roughness, float NoH) {\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125);\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\nfloat V_Neubelt(float NoV, float NoL) {\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor.xyz *= color.xyz;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_maxMipLevel 8.0\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_maxTileSize 256.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\n\t\tvec2 f = fract( uv );\n\t\tuv += 0.5 - f;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tif ( mipInt < cubeUV_maxMipLevel ) {\n\t\t\tuv.y += 2.0 * cubeUV_maxTileSize;\n\t\t}\n\t\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\n\t\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\n\t\tuv *= texelSize;\n\t\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x += texelSize;\n\t\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.y += texelSize;\n\t\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x -= texelSize;\n\t\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tvec3 tm = mix( tl, tr, f.x );\n\t\tvec3 bm = mix( bl, br, f.x );\n\t\treturn mix( tm, bm, f.y );\n\t}\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= r1 ) {\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\t\t} else if ( roughness >= r4 ) {\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\t\t} else if ( roughness >= r5 ) {\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\t\t} else if ( roughness >= r6 ) {\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\t\tenvColor = envMapTexelToLinear( envColor );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tfogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float fogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_vertex:"vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );material.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n#ifdef REFLECTIVITY\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#endif\n#ifdef CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheen;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat specularRoughness;\n\tvec3 specularColor;\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tccIrradiance *= PI;\n\t\t#endif\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\t#ifdef CLEARCOAT\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifndef USE_MORPHNORMALS\n\t\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\t\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t#endif\n#endif",normal_fragment_begin:"#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t\tbitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tfloat scale = sign( st1.t * st0.s - st0.t * st1.s );\n\t\tvec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );\n\t\tvec3 T = normalize( ( - q0 * st1.s + q1 * st0.s ) * scale );\n\t\tvec3 N = normalize( surf_norm );\n\t\tmat3 tsn = mat3( S, T, N );\n\t\tmapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmissionmap_fragment:"#ifdef USE_TRANSMISSIONMAP\n\ttotalTransmission *= texture2D( transmissionMap, vUv ).r;\n#endif",transmissionmap_pars_fragment:"#ifdef USE_TRANSMISSIONMAP\n\tuniform sampler2D transmissionMap;\n#endif",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_frag:"uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",cube_frag:"#include \nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include \n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifndef FLAT_SHADED\n\t\tvNormal = normalize( transformedNormal );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSMISSION\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef TRANSMISSION\n\tuniform float transmission;\n#endif\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#ifdef TRANSMISSION\n\t\tfloat totalTransmission = transmission;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#ifdef TRANSMISSION\n\t\tdiffuseColor.a *= mix( saturate( 1. - totalTransmission + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) ), 1.0, metalness );\n\t#endif\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",normal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}",normal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}"},lr={common:{diffuse:{value:new je(15658734)},opacity:{value:1},map:{value:null},uvTransform:{value:new pt},uv2Transform:{value:new pt},alphaMap:{value:null}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},refractionRatio:{value:.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new 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pt},t2D:{value:null}},vertexShader:cr.background_vert,fragmentShader:cr.background_frag},cube:{uniforms:qn([lr.envmap,{opacity:{value:1}}]),vertexShader:cr.cube_vert,fragmentShader:cr.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:cr.equirect_vert,fragmentShader:cr.equirect_frag},distanceRGBA:{uniforms:qn([lr.common,lr.displacementmap,{referencePosition:{value:new wt},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:cr.distanceRGBA_vert,fragmentShader:cr.distanceRGBA_frag},shadow:{uniforms:qn([lr.lights,lr.fog,{color:{value:new je(0)},opacity:{value:1}}]),vertexShader:cr.shadow_vert,fragmentShader:cr.shadow_frag}};function ur(t,e,n,r,i){var a,o,s=new je(0),l=0,h=null,u=0,p=null;function d(t,e){n.buffers.color.setClear(t.r,t.g,t.b,e,i)}return{getClearColor:function(){return s},setClearColor:function(t,e){s.set(t),d(s,l=void 0!==e?e:1)},getClearAlpha:function(){return l},setClearAlpha:function(t){d(s,l=t)},render:function(n,i,f,m){var 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pr(t,e,n,r){var i=t.getParameter(34921),a=r.isWebGL2?null:e.get("OES_vertex_array_object"),o=r.isWebGL2||null!==a,s={},c=p(null),l=c;function h(e){return r.isWebGL2?t.bindVertexArray(e):a.bindVertexArrayOES(e)}function u(e){return r.isWebGL2?t.deleteVertexArray(e):a.deleteVertexArrayOES(e)}function p(t){for(var e=[],n=[],r=[],a=0;a=0){var y=c[u];if(void 0!==y){var x=y.normalized,b=y.itemSize,_=n.get(y);if(void 0===_)continue;var w=_.buffer,M=_.type,S=_.bytesPerElement;if(y.isInterleavedBufferAttribute){var T=y.data,E=T.stride,A=y.offset;T&&T.isInstancedInterleavedBuffer?(m(p,T.meshPerAttribute),void 0===s._maxInstanceCount&&(s._maxInstanceCount=T.meshPerAttribute*T.count)):f(p),t.bindBuffer(34962,w),g(p,b,M,x,E*S,A*S)}else y.isInstancedBufferAttribute?(m(p,y.meshPerAttribute),void 0===s._maxInstanceCount&&(s._maxInstanceCount=y.meshPerAttribute*y.count)):f(p),t.bindBuffer(34962,w),g(p,b,M,x,0,0)}else if("instanceMatrix"===u){var L=n.get(i.instanceMatrix);if(void 0===L)continue;var 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H=r.hash;H.directionalLength===d&&H.pointLength===f&&H.spotLength===m&&H.rectAreaLength===v&&H.hemiLength===g&&H.numDirectionalShadows===y&&H.numPointShadows===x&&H.numSpotShadows===b||(r.directional.length=d,r.spot.length=m,r.rectArea.length=v,r.point.length=f,r.hemi.length=g,r.directionalShadow.length=y,r.directionalShadowMap.length=y,r.pointShadow.length=x,r.pointShadowMap.length=x,r.spotShadow.length=b,r.spotShadowMap.length=b,r.directionalShadowMatrix.length=y,r.pointShadowMatrix.length=x,r.spotShadowMatrix.length=b,H.directionalLength=d,H.pointLength=f,H.spotLength=m,H.rectAreaLength=v,H.hemiLength=g,H.numDirectionalShadows=y,H.numPointShadows=x,H.numSpotShadows=b,r.version=Zi++)},state:r}}function Ki(){var t=new Qi,e=[],n=[];return{init:function(){e.length=0,n.length=0},state:{lightsArray:e,shadowsArray:n,lights:t},setupLights:function(r){t.setup(e,n,r)},pushLight:function(t){e.push(t)},pushShadow:function(t){n.push(t)}}}function $i(){var t=new 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0===i&&(i=new ea({morphTargets:t,skinning:e}),c[r]=i),i}function _(e,n,r,i,a,o,s){var c=null,u=x,p=e.customDepthMaterial;if(!0===i.isPointLight&&(u=b,p=e.customDistanceMaterial),void 0===p){var d=!1;!0===r.morphTargets&&(d=n.morphAttributes&&n.morphAttributes.position&&n.morphAttributes.position.length>0);var f=!1;!0===e.isSkinnedMesh&&(!0===r.skinning?f=!0:console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",e)),c=u(d,f,!0===e.isInstancedMesh)}else c=p;if(t.localClippingEnabled&&!0===r.clipShadows&&0!==r.clippingPlanes.length){var m=c.uuid,v=r.uuid,g=l[m];void 0===g&&(g={},l[m]=g);var y=g[v];void 0===y&&(y=c.clone(),g[v]=y),c=y}return c.visible=r.visible,c.wireframe=r.wireframe,c.side=3===s?null!==r.shadowSide?r.shadowSide:r.side:null!==r.shadowSide?r.shadowSide:h[r.side],c.clipShadows=r.clipShadows,c.clippingPlanes=r.clippingPlanes,c.clipIntersection=r.clipIntersection,c.wireframeLinewidth=r.wireframeLinewidth,c.linewidth=r.linewidth,!0===i.isPointLight&&!0===c.isMeshDistanceMaterial&&(c.referencePosition.setFromMatrixPosition(i.matrixWorld),c.nearDistance=a,c.farDistance=o),c}function w(n,i,a,o,s){if(!1!==n.visible){if(n.layers.test(i.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&3===s)&&(!n.frustumCulled||r.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,n.matrixWorld);var c=e.update(n),l=n.material;if(Array.isArray(l))for(var h=c.groups,u=0,p=h.length;un||i.y>n)&&(i.x>n&&(a.x=Math.floor(n/_.x),i.x=a.x*_.x,b.mapSize.x=a.x),i.y>n&&(a.y=Math.floor(n/_.y),i.y=a.y*_.y,b.mapSize.y=a.y)),null===b.map&&!b.isPointLightShadow&&3===this.type){var M={minFilter:v,magFilter:v,format:E};b.map=new yt(i.x,i.y,M),b.map.texture.name=x.name+".shadowMap",b.mapPass=new yt(i.x,i.y,M),b.camera.updateProjectionMatrix()}if(null===b.map){var S={minFilter:d,magFilter:d,format:E};b.map=new yt(i.x,i.y,S),b.map.texture.name=x.name+".shadowMap",b.camera.updateProjectionMatrix()}t.setRenderTarget(b.map),t.clear();for(var T=b.getViewportCount(),A=0;A=1):-1!==A.indexOf("OpenGL ES")&&(E=parseFloat(/^OpenGL\ ES\ ([0-9])/.exec(A)[1]),T=E>=2);var L=null,R={},P=new vt,C=new vt;function O(e,n,r){var i=new Uint8Array(4),a=t.createTexture();t.bindTexture(e,a),t.texParameteri(e,10241,9728),t.texParameteri(e,10240,9728);for(var o=0;or||t.height>r)&&(i=r/Math.max(t.width,t.height)),i<1||!0===e){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){var a=e?ct.floorPowerOfTwo:Math.floor,o=a(i*t.width),c=a(i*t.height);void 0===s&&(s=R(o,c));var l=n?R(o,c):s;return l.width=o,l.height=c,l.getContext("2d").drawImage(t,0,0,o,c),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+t.width+"x"+t.height+") to ("+o+"x"+c+")."),l}return"data"in t&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+t.width+"x"+t.height+")."),t}return t}function C(t){return ct.isPowerOfTwo(t.width)&&ct.isPowerOfTwo(t.height)}function O(t,e){return t.generateMipmaps&&e&&t.minFilter!==d&&t.minFilter!==v}function I(e,n,i,a){t.generateMipmap(e),r.get(n).__maxMipLevel=Math.log(Math.max(i,a))*Math.LOG2E}function D(n,r,i){if(!1===c)return r;if(null!==n){if(void 0!==t[n])return t[n];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+n+"'")}var a=r;return 6403===r&&(5126===i&&(a=33326),5131===i&&(a=33325),5121===i&&(a=33321)),6407===r&&(5126===i&&(a=34837),5131===i&&(a=34843),5121===i&&(a=32849)),6408===r&&(5126===i&&(a=34836),5131===i&&(a=34842),5121===i&&(a=32856)),33325!==a&&33326!==a&&34842!==a&&34836!==a||e.get("EXT_color_buffer_float"),a}function N(t){return t===d||t===f||t===m?9728:9729}function B(e){var n=e.target;n.removeEventListener("dispose",B),function(e){var n=r.get(e);if(void 0===n.__webglInit)return;t.deleteTexture(n.__webglTexture),r.remove(e)}(n),n.isVideoTexture&&y.delete(n),o.memory.textures--}function z(e){var n=e.target;n.removeEventListener("dispose",z),function(e){var n=r.get(e),i=r.get(e.texture);if(!e)return;void 0!==i.__webglTexture&&t.deleteTexture(i.__webglTexture);e.depthTexture&&e.depthTexture.dispose();if(e.isWebGLCubeRenderTarget)for(var a=0;a<6;a++)t.deleteFramebuffer(n.__webglFramebuffer[a]),n.__webglDepthbuffer&&t.deleteRenderbuffer(n.__webglDepthbuffer[a]);else t.deleteFramebuffer(n.__webglFramebuffer),n.__webglDepthbuffer&&t.deleteRenderbuffer(n.__webglDepthbuffer),n.__webglMultisampledFramebuffer&&t.deleteFramebuffer(n.__webglMultisampledFramebuffer),n.__webglColorRenderbuffer&&t.deleteRenderbuffer(n.__webglColorRenderbuffer),n.__webglDepthRenderbuffer&&t.deleteRenderbuffer(n.__webglDepthRenderbuffer);r.remove(e.texture),r.remove(e)}(n),o.memory.textures--}var G=0;function U(t,e){var i=r.get(t);if(t.isVideoTexture&&function(t){var e=o.render.frame;y.get(t)!==e&&(y.set(t,e),t.update())}(t),t.version>0&&i.__version!==t.version){var a=t.image;if(void 0===a)console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined");else{if(!1!==a.complete)return void q(i,t,e);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}n.activeTexture(33984+e),n.bindTexture(3553,i.__webglTexture)}function F(e,i){if(6===e.image.length){var o=r.get(e);if(e.version>0&&o.__version!==e.version){W(o,e),n.activeTexture(33984+i),n.bindTexture(34067,o.__webglTexture),t.pixelStorei(37440,e.flipY);for(var s=e&&(e.isCompressedTexture||e.image[0].isCompressedTexture),l=e.image[0]&&e.image[0].isDataTexture,u=[],p=0;p<6;p++)u[p]=s||l?l?e.image[p].image:e.image[p]:P(e.image[p],!1,!0,h);var d,f=u[0],m=C(f)||c,v=a.convert(e.format),g=a.convert(e.type),y=D(e.internalFormat,v,g);if(j(34067,e,m),s){for(var x=0;x<6;x++){d=u[x].mipmaps;for(var b=0;b1||r.get(a).__currentAnisotropy)&&(t.texParameterf(n,s.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(a.anisotropy,i.getMaxAnisotropy())),r.get(a).__currentAnisotropy=a.anisotropy)}}function W(e,n){void 0===e.__webglInit&&(e.__webglInit=!0,n.addEventListener("dispose",B),e.__webglTexture=t.createTexture(),o.memory.textures++)}function q(e,r,i){var o=3553;r.isDataTexture2DArray&&(o=35866),r.isDataTexture3D&&(o=32879),W(e,r),n.activeTexture(33984+i),n.bindTexture(o,e.__webglTexture),t.pixelStorei(37440,r.flipY),t.pixelStorei(37441,r.premultiplyAlpha),t.pixelStorei(3317,r.unpackAlignment);var s,l=function(t){return!c&&(t.wrapS!==u||t.wrapT!==u||t.minFilter!==d&&t.minFilter!==v)}(r)&&!1===C(r.image),h=P(r.image,l,!1,p),f=C(h)||c,m=a.convert(r.format),g=a.convert(r.type),y=D(r.internalFormat,m,g);j(o,r,f);var x=r.mipmaps;if(r.isDepthTexture)y=6402,c?y=r.type===w?36012:r.type===_?33190:r.type===S?35056:33189:r.type===w&&console.error("WebGLRenderer: Floating point depth texture requires WebGL2."),r.format===A&&6402===y&&r.type!==b&&r.type!==_&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),r.type=b,g=a.convert(r.type)),r.format===L&&6402===y&&(y=34041,r.type!==S&&(console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),r.type=S,g=a.convert(r.type))),n.texImage2D(3553,0,y,h.width,h.height,0,m,g,null);else if(r.isDataTexture)if(x.length>0&&f){for(var M=0,R=x.length;M0&&f){for(var z=0,G=x.length;z=l&&console.warn("THREE.WebGLTextures: Trying to use "+t+" texture units while this GPU supports only "+l),G+=1,t},this.resetTextureUnits=function(){G=0},this.setTexture2D=U,this.setTexture2DArray=function(t,e){var i=r.get(t);t.version>0&&i.__version!==t.version?q(i,t,e):(n.activeTexture(33984+e),n.bindTexture(35866,i.__webglTexture))},this.setTexture3D=function(t,e){var i=r.get(t);t.version>0&&i.__version!==t.version?q(i,t,e):(n.activeTexture(33984+e),n.bindTexture(32879,i.__webglTexture))},this.setTextureCube=F,this.setTextureCubeDynamic=H,this.setupRenderTarget=function(e){var i=r.get(e),s=r.get(e.texture);e.addEventListener("dispose",z),s.__webglTexture=t.createTexture(),o.memory.textures++;var l=!0===e.isWebGLCubeRenderTarget,h=!0===e.isWebGLMultisampleRenderTarget,u=C(e)||c;if(!c||e.texture.format!==T||e.texture.type!==w&&e.texture.type!==M||(e.texture.format=E,console.warn("THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.")),l){i.__webglFramebuffer=[];for(var p=0;p<6;p++)i.__webglFramebuffer[p]=t.createFramebuffer()}else if(i.__webglFramebuffer=t.createFramebuffer(),h)if(c){i.__webglMultisampledFramebuffer=t.createFramebuffer(),i.__webglColorRenderbuffer=t.createRenderbuffer(),t.bindRenderbuffer(36161,i.__webglColorRenderbuffer);var d=a.convert(e.texture.format),f=a.convert(e.texture.type),m=D(e.texture.internalFormat,d,f),v=J(e);t.renderbufferStorageMultisample(36161,v,m,e.width,e.height),t.bindFramebuffer(36160,i.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(36160,36064,36161,i.__webglColorRenderbuffer),t.bindRenderbuffer(36161,null),e.depthBuffer&&(i.__webglDepthRenderbuffer=t.createRenderbuffer(),Y(i.__webglDepthRenderbuffer,e,!0)),t.bindFramebuffer(36160,null)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.");if(l){n.bindTexture(34067,s.__webglTexture),j(34067,e.texture,u);for(var g=0;g<6;g++)X(i.__webglFramebuffer[g],e,36064,34069+g);O(e.texture,u)&&I(34067,e.texture,e.width,e.height),n.bindTexture(34067,null)}else n.bindTexture(3553,s.__webglTexture),j(3553,e.texture,u),X(i.__webglFramebuffer,e,36064,3553),O(e.texture,u)&&I(3553,e.texture,e.width,e.height),n.bindTexture(3553,null);e.depthBuffer&&Z(e)},this.updateRenderTargetMipmap=function(t){var e=t.texture;if(O(e,C(t)||c)){var i=t.isWebGLCubeRenderTarget?34067:3553,a=r.get(e).__webglTexture;n.bindTexture(i,a),I(i,e,t.width,t.height),n.bindTexture(i,null)}},this.updateMultisampleRenderTarget=function(e){if(e.isWebGLMultisampleRenderTarget)if(c){var n=r.get(e);t.bindFramebuffer(36008,n.__webglMultisampledFramebuffer),t.bindFramebuffer(36009,n.__webglFramebuffer);var i=e.width,a=e.height,o=16384;e.depthBuffer&&(o|=256),e.stencilBuffer&&(o|=1024),t.blitFramebuffer(0,0,i,a,0,0,i,a,o,9728),t.bindFramebuffer(36160,n.__webglMultisampledFramebuffer)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.")},this.safeSetTexture2D=function(t,e){t&&t.isWebGLRenderTarget&&(!1===Q&&(console.warn("THREE.WebGLTextures.safeSetTexture2D: don't use render targets as textures. Use their .texture property instead."),Q=!0),t=t.texture),U(t,e)},this.safeSetTextureCube=function(t,e){t&&t.isWebGLCubeRenderTarget&&(!1===K&&(console.warn("THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. Use their .texture property instead."),K=!0),t=t.texture),t&&t.isCubeTexture||Array.isArray(t.image)&&6===t.image.length?F(t,e):H(t,e)}}function aa(t,e,n){var r=n.isWebGL2;return{convert:function(t){var n;if(t===x)return 5121;if(1017===t)return 32819;if(1018===t)return 32820;if(1019===t)return 33635;if(1010===t)return 5120;if(1011===t)return 5122;if(t===b)return 5123;if(1013===t)return 5124;if(t===_)return 5125;if(t===w)return 5126;if(t===M)return r?5131:null!==(n=e.get("OES_texture_half_float"))?n.HALF_FLOAT_OES:null;if(1021===t)return 6406;if(t===T)return 6407;if(t===E)return 6408;if(1024===t)return 6409;if(1025===t)return 6410;if(t===A)return 6402;if(t===L)return 34041;if(1028===t)return 6403;if(1029===t)return 36244;if(1030===t)return 33319;if(1031===t)return 33320;if(1032===t)return 36248;if(1033===t)return 36249;if(t===R||t===P||t===C||t===O){if(null===(n=e.get("WEBGL_compressed_texture_s3tc")))return null;if(t===R)return n.COMPRESSED_RGB_S3TC_DXT1_EXT;if(t===P)return n.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(t===C)return n.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(t===O)return n.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(t===I||t===D||t===N||t===B){if(null===(n=e.get("WEBGL_compressed_texture_pvrtc")))return null;if(t===I)return n.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(t===D)return n.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(t===N)return n.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(t===B)return n.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===t)return null!==(n=e.get("WEBGL_compressed_texture_etc1"))?n.COMPRESSED_RGB_ETC1_WEBGL:null;if((t===z||t===G)&&null!==(n=e.get("WEBGL_compressed_texture_etc"))){if(t===z)return n.COMPRESSED_RGB8_ETC2;if(t===G)return n.COMPRESSED_RGBA8_ETC2_EAC}return 37808===t||37809===t||37810===t||37811===t||37812===t||37813===t||37814===t||37815===t||37816===t||37817===t||37818===t||37819===t||37820===t||37821===t||37840===t||37841===t||37842===t||37843===t||37844===t||37845===t||37846===t||37847===t||37848===t||37849===t||37850===t||37851===t||37852===t||37853===t?null!==(n=e.get("WEBGL_compressed_texture_astc"))?t:null:36492===t?null!==(n=e.get("EXT_texture_compression_bptc"))?t:null:t===S?r?34042:null!==(n=e.get("WEBGL_depth_texture"))?n.UNSIGNED_INT_24_8_WEBGL:null:void 0}}}function oa(t){Jn.call(this),this.cameras=t||[]}function sa(){we.call(this),this.type="Group"}function ca(){this._targetRay=null,this._grip=null,this._hand=null}function la(t,e){var n=this,r=null,i=1,a=null,o="local-floor",s=null,c=[],l=new Map,h=new Jn;h.layers.enable(1),h.viewport=new vt;var u=new Jn;u.layers.enable(2),u.viewport=new vt;var p=[h,u],d=new oa;d.layers.enable(1),d.layers.enable(2);var f=null,m=null;function v(t){var e=l.get(t.inputSource);e&&e.dispatchEvent({type:t.type})}function g(){l.forEach((function(t,e){t.disconnect(e)})),l.clear(),t.setFramebuffer(null),t.setRenderTarget(t.getRenderTarget()),S.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function y(t){a=t,S.setContext(r),S.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}function x(t){for(var e=r.inputSources,n=0;n0&&Ct(a,t,e),o.length>0&&Ct(o,t,e),!0===t.isScene&&t.onAfterRender(d,t,e),null!==y&&(Q.updateRenderTargetMipmap(y),Q.updateMultisampleRenderTarget(y)),Y.buffers.depth.setTest(!0),Y.buffers.depth.setMask(!0),Y.buffers.color.setMask(!0),Y.setPolygonOffset(!1),u=null,p=null}}else console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.")},this.setFramebuffer=function(t){m!==t&&null===y&&mt.bindFramebuffer(36160,t),m=t},this.getActiveCubeFace=function(){return v},this.getActiveMipmapLevel=function(){return g},this.getRenderList=function(){return u},this.setRenderList=function(t){u=t},this.getRenderState=function(){return p},this.setRenderState=function(t){p=t},this.getRenderTarget=function(){return y},this.setRenderTarget=function(t,e,n){void 0===e&&(e=0),void 0===n&&(n=0),y=t,v=e,g=n,t&&void 0===J.get(t).__webglFramebuffer&&Q.setupRenderTarget(t);var r=m,i=!1;if(t){var a=J.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=a[e],i=!0):r=t.isWebGLMultisampleRenderTarget?J.get(t).__webglMultisampledFramebuffer:a,A.copy(t.viewport),L.copy(t.scissor),R=t.scissorTest}else A.copy(N).multiplyScalar(O).floor(),L.copy(B).multiplyScalar(O).floor(),R=z;if(b!==r&&(mt.bindFramebuffer(36160,r),b=r),Y.viewport(A),Y.scissor(L),Y.setScissorTest(R),i){var o=J.get(t.texture);mt.framebufferTexture2D(36160,36064,34069+e,o.__webglTexture,n)}},this.readRenderTargetPixels=function(t,e,n,r,i,a,o){if(t&&t.isWebGLRenderTarget){var s=J.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==o&&(s=s[o]),s){var c=!1;s!==b&&(mt.bindFramebuffer(36160,s),c=!0);try{var l=t.texture,h=l.format,u=l.type;if(h!==E&&dt.convert(h)!==mt.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!(u===x||dt.convert(u)===mt.getParameter(35738)||u===w&&(q.isWebGL2||W.get("OES_texture_float")||W.get("WEBGL_color_buffer_float"))||u===M&&(q.isWebGL2?W.get("EXT_color_buffer_float"):W.get("EXT_color_buffer_half_float"))))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");36053===mt.checkFramebufferStatus(36160)?e>=0&&e<=t.width-r&&n>=0&&n<=t.height-i&&mt.readPixels(e,n,r,i,dt.convert(h),dt.convert(u),a):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{c&&mt.bindFramebuffer(36160,b)}}}else console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.")},this.copyFramebufferToTexture=function(t,e,n){void 0===n&&(n=0);var r=Math.pow(2,-n),i=Math.floor(e.image.width*r),a=Math.floor(e.image.height*r),o=dt.convert(e.format);Q.setTexture2D(e,0),mt.copyTexImage2D(3553,n,o,t.x,t.y,i,a,0),Y.unbindTexture()},this.copyTextureToTexture=function(t,e,n,r){void 0===r&&(r=0);var i=e.image.width,a=e.image.height,o=dt.convert(n.format),s=dt.convert(n.type);Q.setTexture2D(n,0),mt.pixelStorei(37440,n.flipY),mt.pixelStorei(37441,n.premultiplyAlpha),mt.pixelStorei(3317,n.unpackAlignment),e.isDataTexture?mt.texSubImage2D(3553,r,t.x,t.y,i,a,o,s,e.image.data):e.isCompressedTexture?mt.compressedTexSubImage2D(3553,r,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,o,e.mipmaps[0].data):mt.texSubImage2D(3553,r,t.x,t.y,o,s,e.image),0===r&&n.generateMipmaps&&mt.generateMipmap(3553),Y.unbindTexture()},this.initTexture=function(t){Q.setTexture2D(t,0),Y.unbindTexture()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}function pa(t){ua.call(this,t)}oa.prototype=Object.assign(Object.create(Jn.prototype),{constructor:oa,isArrayCamera:!0}),sa.prototype=Object.assign(Object.create(we.prototype),{constructor:sa,isGroup:!0}),Object.assign(ca.prototype,{constructor:ca,getHandSpace:function(){if(null===this._hand&&(this._hand=new sa,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints=[],this._hand.inputState={pinching:!1},window.XRHand))for(var t=0;t<=window.XRHand.LITTLE_PHALANX_TIP;t++){var e=new sa;e.matrixAutoUpdate=!1,e.visible=!1,this._hand.joints.push(e),this._hand.add(e)}return this._hand},getTargetRaySpace:function(){return null===this._targetRay&&(this._targetRay=new sa,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1),this._targetRay},getGripSpace:function(){return null===this._grip&&(this._grip=new sa,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1),this._grip},dispatchEvent:function(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this},disconnect:function(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this},update:function(t,e,n){var r=null,i=null,a=null,o=this._targetRay,s=this._grip,c=this._hand;if(t)if(c&&t.hand){a=!0;for(var l=0;l<=window.XRHand.LITTLE_PHALANX_TIP;l++)if(t.hand[l]){var h=e.getJointPose(t.hand[l],n),u=c.joints[l];null!==h&&(u.matrix.fromArray(h.transform.matrix),u.matrix.decompose(u.position,u.rotation,u.scale),u.jointRadius=h.radius),u.visible=null!==h;var p=c.joints[window.XRHand.INDEX_PHALANX_TIP],d=c.joints[window.XRHand.THUMB_PHALANX_TIP],f=p.position.distanceTo(d.position);c.inputState.pinching&&f>.025?(c.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!c.inputState.pinching&&f<=.015&&(c.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}}else null!==o&&null!==(r=e.getPose(t.targetRaySpace,n))&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale)),null!==s&&t.gripSpace&&null!==(i=e.getPose(t.gripSpace,n))&&(s.matrix.fromArray(i.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale));return null!==o&&(o.visible=null!==r),null!==s&&(s.visible=null!==i),null!==c&&(c.visible=null!==a),this}}),Object.assign(la.prototype,it.prototype),pa.prototype=Object.assign(Object.create(ua.prototype),{constructor:pa,isWebGL1Renderer:!0});var da=function(t,e){Object.defineProperty(this,"isFogExp2",{value:!0}),this.name="",this.color=new je(t),this.density=void 0!==e?e:25e-5};da.prototype.clone=function(){return new da(this.color,this.density)},da.prototype.toJSON=function(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}};var fa=function(t,e,n){Object.defineProperty(this,"isFog",{value:!0}),this.name="",this.color=new je(t),this.near=void 0!==e?e:1,this.far=void 0!==n?n:1e3};function ma(){we.call(this),Object.defineProperty(this,"isScene",{value:!0}),this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}function va(t,e){this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=et,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=ct.generateUUID()}fa.prototype.clone=function(){return new fa(this.color,this.near,this.far)},fa.prototype.toJSON=function(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}},ma.prototype=Object.create(we.prototype),ma.prototype.constructor=ma,ma.prototype.copy=function(t,e){return we.prototype.copy.call(this,t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.autoUpdate=t.autoUpdate,this.matrixAutoUpdate=t.matrixAutoUpdate,this},ma.prototype.toJSON=function(t){var e=we.prototype.toJSON.call(this,t);return null!==this.background&&(e.object.background=this.background.toJSON(t)),null!==this.environment&&(e.object.environment=this.environment.toJSON(t)),null!==this.fog&&(e.object.fog=this.fog.toJSON()),e},Object.defineProperty(va.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}}),Object.assign(va.prototype,{isInterleavedBuffer:!0,onUploadCallback:function(){},setUsage:function(t){return this.usage=t,this},copy:function(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this},copyAt:function(t,e,n){t*=this.stride,n*=e.stride;for(var r=0,i=this.stride;rt.far||e.push({distance:s,point:_a.clone(),uv:ze.getUV(_a,Aa,La,Ra,Pa,Ca,Oa,new lt),face:null,object:this})}},copy:function(t){return we.prototype.copy.call(this,t),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}});var Na,Ba,za,Ga,Ua,Fa=new wt,Ha=new wt;function ka(){we.call(this),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}function Va(t,e){t&&t.isGeometry&&console.error("THREE.SkinnedMesh no longer supports THREE.Geometry. Use THREE.BufferGeometry instead."),Nn.call(this,t,e),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new Jt,this.bindMatrixInverse=new Jt}ka.prototype=Object.assign(Object.create(we.prototype),{constructor:ka,isLOD:!0,copy:function(t){we.prototype.copy.call(this,t,!1);for(var e=t.levels,n=0,r=e.length;n0){var n,r;for(n=1,r=e.length;n0){Fa.setFromMatrixPosition(this.matrixWorld);var n=t.ray.origin.distanceTo(Fa);this.getObjectForDistance(n).raycast(t,e)}},update:function(t){var e=this.levels;if(e.length>1){Fa.setFromMatrixPosition(t.matrixWorld),Ha.setFromMatrixPosition(this.matrixWorld);var n,r,i=Fa.distanceTo(Ha)/t.zoom;for(e[0].object.visible=!0,n=1,r=e.length;n=e[n].distance;n++)e[n-1].object.visible=!1,e[n].object.visible=!0;for(this._currentLevel=n-1;no)){h.applyMatrix4(this.matrixWorld);var x=t.ray.origin.distanceTo(h);xt.far||e.push({distance:x,point:l.clone().applyMatrix4(this.matrixWorld),index:m,face:null,faceIndex:null,object:this})}}else for(var b=0,_=d.length/3-1;b<_;b+=u){if(s.fromArray(d,3*b),c.fromArray(d,3*b+3),!(ro.distanceSqToSegment(s,c,h,l)>o)){h.applyMatrix4(this.matrixWorld);var w=t.ray.origin.distanceTo(h);wt.far||e.push({distance:w,point:l.clone().applyMatrix4(this.matrixWorld),index:b,face:null,faceIndex:null,object:this})}}}else if(n.isGeometry)for(var M=n.vertices,S=M.length,T=0;To)){h.applyMatrix4(this.matrixWorld);var E=t.ray.origin.distanceTo(h);Et.far||e.push({distance:E,point:l.clone().applyMatrix4(this.matrixWorld),index:T,face:null,faceIndex:null,object:this})}}}},updateMorphTargets:function(){var t=this.geometry;if(t.isBufferGeometry){var e=t.morphAttributes,n=Object.keys(e);if(n.length>0){var r=e[n[0]];if(void 0!==r){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(var i=0,a=r.length;i0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}});var oo=new wt,so=new wt;function co(t,e){ao.call(this,t,e),this.type="LineSegments"}function lo(t,e){ao.call(this,t,e),this.type="LineLoop"}function ho(t){Xe.call(this),this.type="PointsMaterial",this.color=new je(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.morphTargets=!1,this.setValues(t)}co.prototype=Object.assign(Object.create(ao.prototype),{constructor:co,isLineSegments:!0,computeLineDistances:function(){var t=this.geometry;if(t.isBufferGeometry)if(null===t.index){for(var e=t.attributes.position,n=[],r=0,i=e.count;ri.far)return;a.push({distance:l,distanceToRay:Math.sqrt(s),point:c,index:e,face:null,object:o})}}function yo(t,e,n,r,i,a,o,s,c){mt.call(this,t,e,n,r,i,a,o,s,c),this.format=void 0!==o?o:T,this.minFilter=void 0!==a?a:v,this.magFilter=void 0!==i?i:v,this.generateMipmaps=!1;var l=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){l.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}function xo(t,e,n,r,i,a,o,s,c,l,h,u){mt.call(this,null,a,o,s,c,l,r,i,h,u),this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}function bo(t,e,n,r,i,a,o,s,c){mt.call(this,t,e,n,r,i,a,o,s,c),this.needsUpdate=!0}function _o(t,e,n,r,i,a,o,s,c,l){if((l=void 0!==l?l:A)!==A&&l!==L)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&l===A&&(n=b),void 0===n&&l===L&&(n=S),mt.call(this,null,r,i,a,o,s,l,n,c),this.image={width:t,height:e},this.magFilter=void 0!==o?o:d,this.minFilter=void 0!==s?s:d,this.flipY=!1,this.generateMipmaps=!1}function wo(t){gn.call(this),this.type="WireframeGeometry";var e=[],n=[0,0],r={},i=["a","b","c"];if(t&&t.isGeometry){for(var a=t.faces,o=0,s=a.length;o=0?(t(g-s,m,h),u.subVectors(l,h)):(t(g+s,m,h),u.subVectors(h,l)),m-s>=0?(t(g,m-s,h),p.subVectors(l,h)):(t(g,m+s,h),p.subVectors(h,l)),c.crossVectors(u,p).normalize(),a.push(c.x,c.y,c.z),o.push(g,m)}for(var y=0;y.9&&o<.1&&(e<.2&&(a[t+0]+=1),n<.2&&(a[t+2]+=1),r<.2&&(a[t+4]+=1))}}()}(),this.setAttribute("position",new on(i,3)),this.setAttribute("normal",new on(i.slice(),3)),this.setAttribute("uv",new on(a,2)),0===r?this.computeVertexNormals():this.normalizeNormals()}function Ao(t,e){kn.call(this),this.type="TetrahedronGeometry",this.parameters={radius:t,detail:e},this.fromBufferGeometry(new Lo(t,e)),this.mergeVertices()}function Lo(t,e){Eo.call(this,[1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],t,e),this.type="TetrahedronBufferGeometry",this.parameters={radius:t,detail:e}}function Ro(t,e){kn.call(this),this.type="OctahedronGeometry",this.parameters={radius:t,detail:e},this.fromBufferGeometry(new Po(t,e)),this.mergeVertices()}function Po(t,e){Eo.call(this,[1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],t,e),this.type="OctahedronBufferGeometry",this.parameters={radius:t,detail:e}}function Co(t,e){kn.call(this),this.type="IcosahedronGeometry",this.parameters={radius:t,detail:e},this.fromBufferGeometry(new Oo(t,e)),this.mergeVertices()}function Oo(t,e){var n=(1+Math.sqrt(5))/2,r=[-1,n,0,1,n,0,-1,-n,0,1,-n,0,0,-1,n,0,1,n,0,-1,-n,0,1,-n,n,0,-1,n,0,1,-n,0,-1,-n,0,1];Eo.call(this,r,[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],t,e),this.type="IcosahedronBufferGeometry",this.parameters={radius:t,detail:e}}function Io(t,e){kn.call(this),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e},this.fromBufferGeometry(new Do(t,e)),this.mergeVertices()}function Do(t,e){var n=(1+Math.sqrt(5))/2,r=1/n,i=[-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-r,-n,0,-r,n,0,r,-n,0,r,n,-r,-n,0,-r,n,0,r,-n,0,r,n,0,-n,0,-r,n,0,-r,-n,0,r,n,0,r];Eo.call(this,i,[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronBufferGeometry",this.parameters={radius:t,detail:e}}function No(t,e,n,r,i,a){kn.call(this),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:n,radialSegments:r,closed:i},void 0!==a&&console.warn("THREE.TubeGeometry: taper has been removed.");var o=new Bo(t,e,n,r,i);this.tangents=o.tangents,this.normals=o.normals,this.binormals=o.binormals,this.fromBufferGeometry(o),this.mergeVertices()}function Bo(t,e,n,r,i){gn.call(this),this.type="TubeBufferGeometry",this.parameters={path:t,tubularSegments:e,radius:n,radialSegments:r,closed:i},e=e||64,n=n||1,r=r||8,i=i||!1;var a=t.computeFrenetFrames(e,i);this.tangents=a.tangents,this.normals=a.normals,this.binormals=a.binormals;var o=new wt,s=new wt,c=new lt,l=new wt,h=[],u=[],p=[],d=[];function f(i){l=t.getPointAt(i/e,l);for(var c=a.normals[i],p=a.binormals[i],d=0;d<=r;d++){var f=d/r*Math.PI*2,m=Math.sin(f),v=-Math.cos(f);s.x=v*c.x+m*p.x,s.y=v*c.y+m*p.y,s.z=v*c.z+m*p.z,s.normalize(),u.push(s.x,s.y,s.z),o.x=l.x+n*s.x,o.y=l.y+n*s.y,o.z=l.z+n*s.z,h.push(o.x,o.y,o.z)}}!function(){for(var t=0;t0){var r=e[n[0]];if(void 0!==r){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(var i=0,a=r.length;i0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}),yo.prototype=Object.assign(Object.create(mt.prototype),{constructor:yo,isVideoTexture:!0,update:function(){var t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}),xo.prototype=Object.create(mt.prototype),xo.prototype.constructor=xo,xo.prototype.isCompressedTexture=!0,bo.prototype=Object.create(mt.prototype),bo.prototype.constructor=bo,bo.prototype.isCanvasTexture=!0,_o.prototype=Object.create(mt.prototype),_o.prototype.constructor=_o,_o.prototype.isDepthTexture=!0,wo.prototype=Object.create(gn.prototype),wo.prototype.constructor=wo,Mo.prototype=Object.create(kn.prototype),Mo.prototype.constructor=Mo,So.prototype=Object.create(gn.prototype),So.prototype.constructor=So,To.prototype=Object.create(kn.prototype),To.prototype.constructor=To,Eo.prototype=Object.create(gn.prototype),Eo.prototype.constructor=Eo,Ao.prototype=Object.create(kn.prototype),Ao.prototype.constructor=Ao,Lo.prototype=Object.create(Eo.prototype),Lo.prototype.constructor=Lo,Ro.prototype=Object.create(kn.prototype),Ro.prototype.constructor=Ro,Po.prototype=Object.create(Eo.prototype),Po.prototype.constructor=Po,Co.prototype=Object.create(kn.prototype),Co.prototype.constructor=Co,Oo.prototype=Object.create(Eo.prototype),Oo.prototype.constructor=Oo,Io.prototype=Object.create(kn.prototype),Io.prototype.constructor=Io,Do.prototype=Object.create(Eo.prototype),Do.prototype.constructor=Do,No.prototype=Object.create(kn.prototype),No.prototype.constructor=No,Bo.prototype=Object.create(gn.prototype),Bo.prototype.constructor=Bo,Bo.prototype.toJSON=function(){var t=gn.prototype.toJSON.call(this);return t.path=this.parameters.path.toJSON(),t},zo.prototype=Object.create(kn.prototype),zo.prototype.constructor=zo,Go.prototype=Object.create(gn.prototype),Go.prototype.constructor=Go,Uo.prototype=Object.create(kn.prototype),Uo.prototype.constructor=Uo,Fo.prototype=Object.create(gn.prototype),Fo.prototype.constructor=Fo;var Ho=function(t,e,n){n=n||2;var r,i,a,o,s,c,l,h=e&&e.length,u=h?e[0]*n:t.length,p=ko(t,0,u,n,!0),d=[];if(!p||p.next===p.prev)return d;if(h&&(p=function(t,e,n,r){var i,a,o,s=[];for(i=0,a=e.length;i80*n){r=a=t[0],i=o=t[1];for(var f=n;fa&&(a=s),c>o&&(o=c);l=0!==(l=Math.max(a-r,o-i))?1/l:0}return jo(p,d,n,r,i,l),d};function ko(t,e,n,r,i){var a,o;if(i===function(t,e,n,r){for(var i=0,a=e,o=n-r;a0)for(a=e;a=e;a-=r)o=ls(a,t[a],t[a+1],o);return o&&rs(o,o.next)&&(hs(o),o=o.next),o}function Vo(t,e){if(!t)return t;e||(e=t);var 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Hs=Object.freeze({__proto__:null,WireframeGeometry:wo,ParametricGeometry:Mo,ParametricBufferGeometry:So,TetrahedronGeometry:Ao,TetrahedronBufferGeometry:Lo,OctahedronGeometry:Ro,OctahedronBufferGeometry:Po,IcosahedronGeometry:Co,IcosahedronBufferGeometry:Oo,DodecahedronGeometry:Io,DodecahedronBufferGeometry:Do,PolyhedronGeometry:To,PolyhedronBufferGeometry:Eo,TubeGeometry:No,TubeBufferGeometry:Bo,TorusKnotGeometry:zo,TorusKnotBufferGeometry:Go,TorusGeometry:Uo,TorusBufferGeometry:Fo,TextGeometry:xs,TextBufferGeometry:bs,SphereGeometry:_s,SphereBufferGeometry:ws,RingGeometry:Ms,RingBufferGeometry:Ss,PlaneGeometry:or,PlaneBufferGeometry:sr,LatheGeometry:Ts,LatheBufferGeometry:Es,ShapeGeometry:As,ShapeBufferGeometry:Ls,ExtrudeGeometry:ms,ExtrudeBufferGeometry:vs,EdgesGeometry:Ds,ConeGeometry:zs,ConeBufferGeometry:Gs,CylinderGeometry:Ns,CylinderBufferGeometry:Bs,CircleGeometry:Us,CircleBufferGeometry:Fs,BoxGeometry:Vn,BoxBufferGeometry:jn});function ks(t){Xe.call(this),this.type="ShadowMaterial",this.color=new je(0),this.transparent=!0,this.setValues(t)}function Vs(t){Yn.call(this,t),this.type="RawShaderMaterial"}function js(t){Xe.call(this),this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new je(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new je(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new lt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.vertexTangents=!1,this.setValues(t)}function Ws(t){js.call(this),this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoat=0,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new lt(1,1),this.clearcoatNormalMap=null,this.reflectivity=.5,this.sheen=null,this.transmission=0,this.transmissionMap=null,this.setValues(t)}function qs(t){Xe.call(this),this.type="MeshPhongMaterial",this.color=new je(16777215),this.specular=new 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je(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new lt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)}function Ys(t){Xe.call(this),this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new lt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)}function Zs(t){Xe.call(this),this.type="MeshLambertMaterial",this.color=new je(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new je(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)}function Js(t){Xe.call(this),this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new je(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new lt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.setValues(t)}function Qs(t){$a.call(this),this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}ks.prototype=Object.create(Xe.prototype),ks.prototype.constructor=ks,ks.prototype.isShadowMaterial=!0,ks.prototype.copy=function(t){return Xe.prototype.copy.call(this,t),this.color.copy(t.color),this},Vs.prototype=Object.create(Yn.prototype),Vs.prototype.constructor=Vs,Vs.prototype.isRawShaderMaterial=!0,js.prototype=Object.create(Xe.prototype),js.prototype.constructor=js,js.prototype.isMeshStandardMaterial=!0,js.prototype.copy=function(t){return Xe.prototype.copy.call(this,t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this.vertexTangents=t.vertexTangents,this},Ws.prototype=Object.create(js.prototype),Ws.prototype.constructor=Ws,Ws.prototype.isMeshPhysicalMaterial=!0,Ws.prototype.copy=function(t){return js.prototype.copy.call(this,t),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.reflectivity=t.reflectivity,t.sheen?this.sheen=(this.sheen||new je).copy(t.sheen):this.sheen=null,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this},qs.prototype=Object.create(Xe.prototype),qs.prototype.constructor=qs,qs.prototype.isMeshPhongMaterial=!0,qs.prototype.copy=function(t){return Xe.prototype.copy.call(this,t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},Xs.prototype=Object.create(Xe.prototype),Xs.prototype.constructor=Xs,Xs.prototype.isMeshToonMaterial=!0,Xs.prototype.copy=function(t){return Xe.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},Ys.prototype=Object.create(Xe.prototype),Ys.prototype.constructor=Ys,Ys.prototype.isMeshNormalMaterial=!0,Ys.prototype.copy=function(t){return Xe.prototype.copy.call(this,t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},Zs.prototype=Object.create(Xe.prototype),Zs.prototype.constructor=Zs,Zs.prototype.isMeshLambertMaterial=!0,Zs.prototype.copy=function(t){return Xe.prototype.copy.call(this,t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},Js.prototype=Object.create(Xe.prototype),Js.prototype.constructor=Js,Js.prototype.isMeshMatcapMaterial=!0,Js.prototype.copy=function(t){return Xe.prototype.copy.call(this,t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.skinning=t.skinning,this.morphTargets=t.morphTargets,this.morphNormals=t.morphNormals,this},Qs.prototype=Object.create($a.prototype),Qs.prototype.constructor=Qs,Qs.prototype.isLineDashedMaterial=!0,Qs.prototype.copy=function(t){return $a.prototype.copy.call(this,t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this};var Ks=Object.freeze({__proto__:null,ShadowMaterial:ks,SpriteMaterial:ba,RawShaderMaterial:Vs,ShaderMaterial:Yn,PointsMaterial:ho,MeshPhysicalMaterial:Ws,MeshStandardMaterial:js,MeshPhongMaterial:qs,MeshToonMaterial:Xs,MeshNormalMaterial:Ys,MeshLambertMaterial:Zs,MeshDepthMaterial:ta,MeshDistanceMaterial:ea,MeshBasicMaterial:Ye,MeshMatcapMaterial:Js,LineDashedMaterial:Qs,LineBasicMaterial:$a,Material:Xe}),$s={arraySlice:function(t,e,n){return $s.isTypedArray(t)?new t.constructor(t.subarray(e,void 0!==n?n:t.length)):t.slice(e,n)},convertArray:function(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)},isTypedArray:function(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)},getKeyframeOrder:function(t){for(var e=t.length,n=new Array(e),r=0;r!==e;++r)n[r]=r;return n.sort((function(e,n){return t[e]-t[n]})),n},sortedArray:function(t,e,n){for(var r=t.length,i=new t.constructor(r),a=0,o=0;o!==r;++a)for(var s=n[a]*e,c=0;c!==e;++c)i[o++]=t[s+c];return i},flattenJSON:function(t,e,n,r){for(var i=1,a=t[0];void 0!==a&&void 0===a[r];)a=t[i++];if(void 0!==a){var o=a[r];if(void 0!==o)if(Array.isArray(o))do{void 0!==(o=a[r])&&(e.push(a.time),n.push.apply(n,o)),a=t[i++]}while(void 0!==a);else if(void 0!==o.toArray)do{void 0!==(o=a[r])&&(e.push(a.time),o.toArray(n,n.length)),a=t[i++]}while(void 0!==a);else do{void 0!==(o=a[r])&&(e.push(a.time),n.push(o)),a=t[i++]}while(void 0!==a)}},subclip:function(t,e,n,r,i){i=i||30;var a=t.clone();a.name=e;for(var o=[],s=0;s=r)){h.push(c.times[p]);for(var f=0;fa.tracks[v].times[0]&&(m=a.tracks[v].times[0]);for(var g=0;g=r.times[u]){var m=u*c+s,v=m+c-s;p=$s.arraySlice(r.values,m,v)}else{var g=r.createInterpolant(),y=s,x=c-s;g.evaluate(a),p=$s.arraySlice(g.resultBuffer,y,x)}if("quaternion"===i)(new bt).fromArray(p).normalize().conjugate().toArray(p);for(var b=o.times.length,_=0;_=i)break t;var s=e[1];t=(i=e[--n-1]))break e}a=n,n=0}for(;n>>1;te;)--a;if(++a,0!==i||a!==r){i>=a&&(i=(a=Math.max(a,1))-1);var o=this.getValueSize();this.times=$s.arraySlice(n,i,a),this.values=$s.arraySlice(this.values,i*o,a*o)}return this},validate:function(){var t=!0,e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);var n=this.times,r=this.values,i=n.length;0===i&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);for(var a=null,o=0;o!==i;o++){var s=n[o];if("number"==typeof s&&isNaN(s)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,o,s),t=!1;break}if(null!==a&&a>s){console.error("THREE.KeyframeTrack: Out of order keys.",this,o,s,a),t=!1;break}a=s}if(void 0!==r&&$s.isTypedArray(r))for(var c=0,l=r.length;c!==l;++c){var h=r[c];if(isNaN(h)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,c,h),t=!1;break}}return t},optimize:function(){for(var t=$s.arraySlice(this.times),e=$s.arraySlice(this.values),n=this.getValueSize(),r=this.getInterpolation()===H,i=t.length-1,a=1,o=1;o0){t[a]=t[i];for(var g=i*n,y=a*n,x=0;x!==n;++x)e[y+x]=e[g+x];++a}return a!==t.length?(this.times=$s.arraySlice(t,0,a),this.values=$s.arraySlice(e,0,a*n)):(this.times=t,this.values=e),this},clone:function(){var t=$s.arraySlice(this.times,0),e=$s.arraySlice(this.values,0),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}),ac.prototype=Object.assign(Object.create(ic.prototype),{constructor:ac,ValueTypeName:"bool",ValueBufferType:Array,DefaultInterpolation:U,InterpolantFactoryMethodLinear:void 0,InterpolantFactoryMethodSmooth:void 0}),oc.prototype=Object.assign(Object.create(ic.prototype),{constructor:oc,ValueTypeName:"color"}),sc.prototype=Object.assign(Object.create(ic.prototype),{constructor:sc,ValueTypeName:"number"}),cc.prototype=Object.assign(Object.create(tc.prototype),{constructor:cc,interpolate_:function(t,e,n,r){for(var i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=(n-e)/(r-e),c=t*o,l=c+o;c!==l;c+=4)bt.slerpFlat(i,0,a,c-o,a,c,s);return i}}),lc.prototype=Object.assign(Object.create(ic.prototype),{constructor:lc,ValueTypeName:"quaternion",DefaultInterpolation:F,InterpolantFactoryMethodLinear:function(t){return new cc(this.times,this.values,this.getValueSize(),t)},InterpolantFactoryMethodSmooth:void 0}),hc.prototype=Object.assign(Object.create(ic.prototype),{constructor:hc,ValueTypeName:"string",ValueBufferType:Array,DefaultInterpolation:U,InterpolantFactoryMethodLinear:void 0,InterpolantFactoryMethodSmooth:void 0}),uc.prototype=Object.assign(Object.create(ic.prototype),{constructor:uc,ValueTypeName:"vector"}),Object.assign(pc,{parse:function(t){for(var e=[],n=t.tracks,r=1/(t.fps||1),i=0,a=n.length;i!==a;++i)e.push(dc(n[i]).scale(r));return new pc(t.name,t.duration,e,t.blendMode)},toJSON:function(t){for(var e=[],n=t.tracks,r={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode},i=0,a=n.length;i!==a;++i)e.push(ic.toJSON(n[i]));return r},CreateFromMorphTargetSequence:function(t,e,n,r){for(var i=e.length,a=[],o=0;o1){var l=c[1],h=r[l];h||(r[l]=h=[]),h.push(s)}}var u=[];for(var p in r)u.push(pc.CreateFromMorphTargetSequence(p,r[p],e,n));return u},parseAnimation:function(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;for(var n=function(t,e,n,r,i){if(0!==n.length){var a=[],o=[];$s.flattenJSON(n,a,o,r),0!==a.length&&i.push(new t(e,a,o))}},r=[],i=t.name||"default",a=t.fps||30,o=t.blendMode,s=t.length||-1,c=t.hierarchy||[],l=0;l0||0===t.search(/^data\:image\/jpeg/);i.format=r?T:E,i.needsUpdate=!0,void 0!==e&&e(i)}),n,r),i}}),Object.assign(Ec.prototype,{getPoint:function(){return console.warn("THREE.Curve: .getPoint() not implemented."),null},getPointAt:function(t,e){var n=this.getUtoTmapping(t);return this.getPoint(n,e)},getPoints:function(t){void 0===t&&(t=5);for(var e=[],n=0;n<=t;n++)e.push(this.getPoint(n/t));return e},getSpacedPoints:function(t){void 0===t&&(t=5);for(var e=[],n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e},getLength:function(){var t=this.getLengths();return t[t.length-1]},getLengths:function(t){if(void 0===t&&(t=this.arcLengthDivisions),this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var e,n=[],r=this.getPoint(0),i=0;n.push(0);for(var a=1;a<=t;a++)i+=(e=this.getPoint(a/t)).distanceTo(r),n.push(i),r=e;return this.cacheArcLengths=n,n},updateArcLengths:function(){this.needsUpdate=!0,this.getLengths()},getUtoTmapping:function(t,e){var n,r=this.getLengths(),i=0,a=r.length;n=e||t*r[a-1];for(var o,s=0,c=a-1;s<=c;)if((o=r[i=Math.floor(s+(c-s)/2)]-n)<0)s=i+1;else{if(!(o>0)){c=i;break}c=i-1}if(r[i=c]===n)return i/(a-1);var l=r[i];return(i+(n-l)/(r[i+1]-l))/(a-1)},getTangent:function(t,e){var n=1e-4,r=t-n,i=t+n;r<0&&(r=0),i>1&&(i=1);var a=this.getPoint(r),o=this.getPoint(i),s=e||(a.isVector2?new lt:new wt);return s.copy(o).sub(a).normalize(),s},getTangentAt:function(t,e){var n=this.getUtoTmapping(t);return this.getTangent(n,e)},computeFrenetFrames:function(t,e){for(var n=new wt,r=[],i=[],a=[],o=new wt,s=new Jt,c=0;c<=t;c++){var l=c/t;r[c]=this.getTangentAt(l,new wt),r[c].normalize()}i[0]=new wt,a[0]=new wt;var h=Number.MAX_VALUE,u=Math.abs(r[0].x),p=Math.abs(r[0].y),d=Math.abs(r[0].z);u<=h&&(h=u,n.set(1,0,0)),p<=h&&(h=p,n.set(0,1,0)),d<=h&&n.set(0,0,1),o.crossVectors(r[0],n).normalize(),i[0].crossVectors(r[0],o),a[0].crossVectors(r[0],i[0]);for(var f=1;f<=t;f++){if(i[f]=i[f-1].clone(),a[f]=a[f-1].clone(),o.crossVectors(r[f-1],r[f]),o.length()>Number.EPSILON){o.normalize();var m=Math.acos(ct.clamp(r[f-1].dot(r[f]),-1,1));i[f].applyMatrix4(s.makeRotationAxis(o,m))}a[f].crossVectors(r[f],i[f])}if(!0===e){var v=Math.acos(ct.clamp(i[0].dot(i[t]),-1,1));v/=t,r[0].dot(o.crossVectors(i[0],i[t]))>0&&(v=-v);for(var g=1;g<=t;g++)i[g].applyMatrix4(s.makeRotationAxis(r[g],v*g)),a[g].crossVectors(r[g],i[g])}return{tangents:r,normals:i,binormals:a}},clone:function(){return(new this.constructor).copy(this)},copy:function(t){return this.arcLengthDivisions=t.arcLengthDivisions,this},toJSON:function(){var t={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t},fromJSON:function(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}),Ac.prototype=Object.create(Ec.prototype),Ac.prototype.constructor=Ac,Ac.prototype.isEllipseCurve=!0,Ac.prototype.getPoint=function(t,e){for(var n=e||new lt,r=2*Math.PI,i=this.aEndAngle-this.aStartAngle,a=Math.abs(i)r;)i-=r;i0?0:(Math.floor(Math.abs(c)/o)+1)*o:0===l&&c===o-1&&(c=o-2,l=1),this.closed||c>0?n=a[(c-1)%o]:(Pc.subVectors(a[0],a[1]).add(a[0]),n=Pc);var h=a[c%o],u=a[(c+1)%o];if(this.closed||c+2r.length-2?r.length-1:a+1],h=r[a>r.length-3?r.length-1:a+2];return n.set(Nc(o,s.x,c.x,l.x,h.x),Nc(o,s.y,c.y,l.y,h.y)),n},jc.prototype.copy=function(t){Ec.prototype.copy.call(this,t),this.points=[];for(var e=0,n=t.points.length;e=e){var i=n[r]-e,a=this.curves[r],o=a.getLength(),s=0===o?0:1-i/o;return a.getPointAt(s)}r++}return null},getLength:function(){var t=this.getCurveLengths();return t[t.length-1]},updateArcLengths:function(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()},getCurveLengths:function(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;for(var t=[],e=0,n=0,r=this.curves.length;n1&&!n[n.length-1].equals(n[0])&&n.push(n[0]),n},copy:function(t){Ec.prototype.copy.call(this,t),this.curves=[];for(var e=0,n=t.curves.length;e0){var l=c.getPoint(0);l.equals(this.currentPoint)||this.lineTo(l.x,l.y)}this.curves.push(c);var h=c.getPoint(1);return this.currentPoint.copy(h),this},copy:function(t){return qc.prototype.copy.call(this,t),this.currentPoint.copy(t.currentPoint),this},toJSON:function(){var t=qc.prototype.toJSON.call(this);return t.currentPoint=this.currentPoint.toArray(),t},fromJSON:function(t){return qc.prototype.fromJSON.call(this,t),this.currentPoint.fromArray(t.currentPoint),this}}),Yc.prototype=Object.assign(Object.create(Xc.prototype),{constructor:Yc,getPointsHoles:function(t){for(var e=[],n=0,r=this.holes.length;n0:r.vertexColors=t.vertexColors),void 0!==t.uniforms)for(var i in t.uniforms){var a=t.uniforms[i];switch(r.uniforms[i]={},a.type){case"t":r.uniforms[i].value=n(a.value);break;case"c":r.uniforms[i].value=(new je).setHex(a.value);break;case"v2":r.uniforms[i].value=(new lt).fromArray(a.value);break;case"v3":r.uniforms[i].value=(new wt).fromArray(a.value);break;case"v4":r.uniforms[i].value=(new vt).fromArray(a.value);break;case"m3":r.uniforms[i].value=(new pt).fromArray(a.value);break;case"m4":r.uniforms[i].value=(new Jt).fromArray(a.value);break;default:r.uniforms[i].value=a.value}}if(void 0!==t.defines&&(r.defines=t.defines),void 0!==t.vertexShader&&(r.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(r.fragmentShader=t.fragmentShader),void 0!==t.extensions)for(var o in t.extensions)r.extensions[o]=t.extensions[o];if(void 0!==t.shading&&(r.flatShading=1===t.shading),void 0!==t.size&&(r.size=t.size),void 0!==t.sizeAttenuation&&(r.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(r.map=n(t.map)),void 0!==t.matcap&&(r.matcap=n(t.matcap)),void 0!==t.alphaMap&&(r.alphaMap=n(t.alphaMap)),void 0!==t.bumpMap&&(r.bumpMap=n(t.bumpMap)),void 0!==t.bumpScale&&(r.bumpScale=t.bumpScale),void 0!==t.normalMap&&(r.normalMap=n(t.normalMap)),void 0!==t.normalMapType&&(r.normalMapType=t.normalMapType),void 0!==t.normalScale){var s=t.normalScale;!1===Array.isArray(s)&&(s=[s,s]),r.normalScale=(new lt).fromArray(s)}return void 0!==t.displacementMap&&(r.displacementMap=n(t.displacementMap)),void 0!==t.displacementScale&&(r.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(r.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(r.roughnessMap=n(t.roughnessMap)),void 0!==t.metalnessMap&&(r.metalnessMap=n(t.metalnessMap)),void 0!==t.emissiveMap&&(r.emissiveMap=n(t.emissiveMap)),void 0!==t.emissiveIntensity&&(r.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(r.specularMap=n(t.specularMap)),void 0!==t.envMap&&(r.envMap=n(t.envMap)),void 0!==t.envMapIntensity&&(r.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(r.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(r.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(r.lightMap=n(t.lightMap)),void 0!==t.lightMapIntensity&&(r.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(r.aoMap=n(t.aoMap)),void 0!==t.aoMapIntensity&&(r.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(r.gradientMap=n(t.gradientMap)),void 0!==t.clearcoatMap&&(r.clearcoatMap=n(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(r.clearcoatRoughnessMap=n(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(r.clearcoatNormalMap=n(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(r.clearcoatNormalScale=(new lt).fromArray(t.clearcoatNormalScale)),void 0!==t.transmission&&(r.transmission=t.transmission),void 0!==t.transmissionMap&&(r.transmissionMap=n(t.transmissionMap)),r},setTextures:function(t){return this.textures=t,this}});var hl={decodeText:function(t){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);for(var e="",n=0,r=t.length;n0){var o=new mc(e);(n=new wc(o)).setCrossOrigin(this.crossOrigin);for(var s=0,c=t.length;sNumber.EPSILON){if(l<0&&(o=e[a],c=-c,s=e[i],l=-l),t.ys.y)continue;if(t.y===o.y){if(t.x===o.x)return!0}else{var h=l*(t.x-o.x)-c*(t.y-o.y);if(0===h)return!0;if(h<0)continue;r=!r}}else{if(t.y!==o.y)continue;if(s.x<=t.x&&t.x<=o.x||o.x<=t.x&&t.x<=s.x)return!0}}return r}var i,a,o,s=ps.isClockWise,c=this.subPaths;if(0===c.length)return[];if(!0===e)return n(c);var l=[];if(1===c.length)return a=c[0],(o=new Yc).curves=a.curves,l.push(o),l;var h=!s(c[0].getPoints());h=t?!h:h;var u,p,d=[],f=[],m=[],v=0;f[v]=void 0,m[v]=[];for(var g=0,y=c.length;g1){for(var x=!1,b=[],_=0,w=f.length;_0&&(x||(m=d))}for(var P=0,C=f.length;P0){this.source.connect(this.filters[0]);for(var t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(var t=1,e=this.filters.length;t0&&this._mixBufferRegionAdditive(n,r,this._addIndex*e,1,e);for(var c=e,l=e+e;c!==l;++c)if(n[c]!==n[c+e]){o.setValue(n,r);break}},saveOriginalState:function(){var t=this.binding,e=this.buffer,n=this.valueSize,r=n*this._origIndex;t.getValue(e,r);for(var i=n,a=r;i!==a;++i)e[i]=e[r+i%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0},restoreOriginalState:function(){var t=3*this.valueSize;this.binding.setValue(this.buffer,t)},_setAdditiveIdentityNumeric:function(){for(var t=this._addIndex*this.valueSize,e=t+this.valueSize,n=t;n=.5)for(var a=0;a!==i;++a)t[e+a]=t[n+a]},_slerp:function(t,e,n,r){bt.slerpFlat(t,e,t,e,t,n,r)},_slerpAdditive:function(t,e,n,r,i){var a=this._workIndex*i;bt.multiplyQuaternionsFlat(t,a,t,e,t,n),bt.slerpFlat(t,e,t,e,t,a,r)},_lerp:function(t,e,n,r,i){for(var a=1-r,o=0;o!==i;++o){var s=e+o;t[s]=t[s]*a+t[n+o]*r}},_lerpAdditive:function(t,e,n,r,i){for(var a=0;a!==i;++a){var o=e+a;t[o]=t[o]+t[n+a]*r}}});var ql="\\[\\]\\.:\\/",Xl=new RegExp("[\\[\\]\\.:\\/]","g"),Yl="[^\\[\\]\\.:\\/]",Zl="[^"+ql.replace("\\.","")+"]",Jl=/((?:WC+[\/:])*)/.source.replace("WC",Yl),Ql=/(WCOD+)?/.source.replace("WCOD",Zl),Kl=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Yl),$l=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Yl),th=new RegExp("^"+Jl+Ql+Kl+$l+"$"),eh=["material","materials","bones"];function nh(t,e,n){var r=n||rh.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,r)}function rh(t,e,n){this.path=e,this.parsedPath=n||rh.parseTrackName(e),this.node=rh.findNode(t,this.parsedPath.nodeName)||t,this.rootNode=t}function ih(){this.uuid=ct.generateUUID(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;var t={};this._indicesByUUID=t;for(var e=0,n=arguments.length;e!==n;++e)t[arguments[e].uuid]=e;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};var r=this;this.stats={objects:{get total(){return r._objects.length},get inUse(){return this.total-r.nCachedObjects_}},get bindingsPerObject(){return r._bindings.length}}}Object.assign(nh.prototype,{getValue:function(t,e){this.bind();var n=this._targetGroup.nCachedObjects_,r=this._bindings[n];void 0!==r&&r.getValue(t,e)},setValue:function(t,e){for(var n=this._bindings,r=this._targetGroup.nCachedObjects_,i=n.length;r!==i;++r)n[r].setValue(t,e)},bind:function(){for(var t=this._bindings,e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].bind()},unbind:function(){for(var t=this._bindings,e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].unbind()}}),Object.assign(rh,{Composite:nh,create:function(t,e,n){return t&&t.isAnimationObjectGroup?new rh.Composite(t,e,n):new rh(t,e,n)},sanitizeNodeName:function(t){return t.replace(/\s/g,"_").replace(Xl,"")},parseTrackName:function(t){var e=th.exec(t);if(!e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);var n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},r=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==r&&-1!==r){var i=n.nodeName.substring(r+1);-1!==eh.indexOf(i)&&(n.nodeName=n.nodeName.substring(0,r),n.objectName=i)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n},findNode:function(t,e){if(!e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){var n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){var r=function(t){for(var n=0;n=i){var h=i++,u=t[h];e[u.uuid]=l,t[l]=u,e[c]=h,t[h]=s;for(var p=0,d=r;p!==d;++p){var f=n[p],m=f[h],v=f[l];f[l]=m,f[h]=v}}}this.nCachedObjects_=i},uncache:function(){for(var t=this._objects,e=this._indicesByUUID,n=this._bindings,r=n.length,i=this.nCachedObjects_,a=t.length,o=0,s=arguments.length;o!==s;++o){var c=arguments[o],l=c.uuid,h=e[l];if(void 0!==h)if(delete e[l],h0){var c=this._interpolants,l=this._propertyBindings;switch(this.blendMode){case q:for(var h=0,u=c.length;h!==u;++h)c[h].evaluate(o),l[h].accumulateAdditive(s);break;case W:default:for(var p=0,d=c.length;p!==d;++p)c[p].evaluate(o),l[p].accumulate(r,s)}}}else this._updateWeight(t)},ah.prototype._updateWeight=function(t){var e=0;if(this.enabled){e=this.weight;var n=this._weightInterpolant;if(null!==n){var r=n.evaluate(t)[0];e*=r,t>n.parameterPositions[1]&&(this.stopFading(),0===r&&(this.enabled=!1))}}return this._effectiveWeight=e,e},ah.prototype._updateTimeScale=function(t){var e=0;if(!this.paused){e=this.timeScale;var n=this._timeScaleInterpolant;if(null!==n)e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}return this._effectiveTimeScale=e,e},ah.prototype._updateTime=function(t){var e=this._clip.duration,n=this.loop,r=this.time+t,i=this._loopCount,a=2202===n;if(0===t)return-1===i?r:a&&1==(1&i)?e-r:r;if(2200===n){-1===i&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(r>=e)r=e;else{if(!(r<0)){this.time=r;break t}r=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=r,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===i&&(t>=0?(i=0,this._setEndings(!0,0===this.repetitions,a)):this._setEndings(0===this.repetitions,!0,a)),r>=e||r<0){var o=Math.floor(r/e);r-=e*o,i+=Math.abs(o);var s=this.repetitions-i;if(s<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,r=t>0?e:0,this.time=r,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===s){var c=t<0;this._setEndings(c,!c,a)}else this._setEndings(!1,!1,a);this._loopCount=i,this.time=r,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=r;if(a&&1==(1&i))return e-r}return r},ah.prototype._setEndings=function(t,e,n){var r=this._interpolantSettings;n?(r.endingStart=V,r.endingEnd=V):(r.endingStart=t?this.zeroSlopeAtStart?V:k:j,r.endingEnd=e?this.zeroSlopeAtEnd?V:k:j)},ah.prototype._scheduleFading=function(t,e,n){var r=this._mixer,i=r.time,a=this._weightInterpolant;null===a&&(a=r._lendControlInterpolant(),this._weightInterpolant=a);var o=a.parameterPositions,s=a.sampleValues;return o[0]=i,s[0]=e,o[1]=i+t,s[1]=n,this},oh.prototype=Object.assign(Object.create(it.prototype),{constructor:oh,_bindAction:function(t,e){var n=t._localRoot||this._root,r=t._clip.tracks,i=r.length,a=t._propertyBindings,o=t._interpolants,s=n.uuid,c=this._bindingsByRootAndName,l=c[s];void 0===l&&(l={},c[s]=l);for(var h=0;h!==i;++h){var u=r[h],p=u.name,d=l[p];if(void 0!==d)a[h]=d;else{if(void 0!==(d=a[h])){null===d._cacheIndex&&(++d.referenceCount,this._addInactiveBinding(d,s,p));continue}var f=e&&e._propertyBindings[h].binding.parsedPath;++(d=new Wl(rh.create(n,p,f),u.ValueTypeName,u.getValueSize())).referenceCount,this._addInactiveBinding(d,s,p),a[h]=d}o[h].resultBuffer=d.buffer}},_activateAction:function(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){var e=(t._localRoot||this._root).uuid,n=t._clip.uuid,r=this._actionsByClip[n];this._bindAction(t,r&&r.knownActions[0]),this._addInactiveAction(t,n,e)}for(var i=t._propertyBindings,a=0,o=i.length;a!==o;++a){var s=i[a];0==s.useCount++&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(t)}},_deactivateAction:function(t){if(this._isActiveAction(t)){for(var e=t._propertyBindings,n=0,r=e.length;n!==r;++n){var i=e[n];0==--i.useCount&&(i.restoreOriginalState(),this._takeBackBinding(i))}this._takeBackAction(t)}},_initMemoryManager:function(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;var t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}},_isActiveAction:function(t){var e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this},update:function(t){t*=this.timeScale;for(var e=this._actions,n=this._nActiveActions,r=this.time+=t,i=Math.sign(t),a=this._accuIndex^=1,o=0;o!==n;++o){e[o]._update(r,t,i,a)}for(var s=this._bindings,c=this._nActiveBindings,l=0;l!==c;++l)s[l].apply(a);return this},setTime:function(t){this.time=0;for(var e=0;ethis.max.x||t.ythis.max.y)},vh.prototype.containsBox=function(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y},vh.prototype.getParameter=function(t,e){return void 0===e&&(console.warn("THREE.Box2: .getParameter() target is now required"),e=new lt),e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))},vh.prototype.intersectsBox=function(t){return!(t.max.xthis.max.x||t.max.ythis.max.y)},vh.prototype.clampPoint=function(t,e){return void 0===e&&(console.warn("THREE.Box2: .clampPoint() target is now required"),e=new lt),e.copy(t).clamp(this.min,this.max)},vh.prototype.distanceToPoint=function(t){return mh.copy(t).clamp(this.min,this.max).sub(t).length()},vh.prototype.intersect=function(t){return this.min.max(t.min),this.max.min(t.max),this},vh.prototype.union=function(t){return this.min.min(t.min),this.max.max(t.max),this},vh.prototype.translate=function(t){return this.min.add(t),this.max.add(t),this},vh.prototype.equals=function(t){return t.min.equals(this.min)&&t.max.equals(this.max)};var gh=new wt,yh=new wt,xh=function(t,e){this.start=void 0!==t?t:new wt,this.end=void 0!==e?e:new wt};function bh(t){we.call(this),this.material=t,this.render=function(){},this.hasPositions=!1,this.hasNormals=!1,this.hasColors=!1,this.hasUvs=!1,this.positionArray=null,this.normalArray=null,this.colorArray=null,this.uvArray=null,this.count=0}xh.prototype.set=function(t,e){return this.start.copy(t),this.end.copy(e),this},xh.prototype.clone=function(){return(new this.constructor).copy(this)},xh.prototype.copy=function(t){return this.start.copy(t.start),this.end.copy(t.end),this},xh.prototype.getCenter=function(t){return void 0===t&&(console.warn("THREE.Line3: .getCenter() target is now required"),t=new wt),t.addVectors(this.start,this.end).multiplyScalar(.5)},xh.prototype.delta=function(t){return void 0===t&&(console.warn("THREE.Line3: .delta() target is now required"),t=new wt),t.subVectors(this.end,this.start)},xh.prototype.distanceSq=function(){return this.start.distanceToSquared(this.end)},xh.prototype.distance=function(){return this.start.distanceTo(this.end)},xh.prototype.at=function(t,e){return void 0===e&&(console.warn("THREE.Line3: .at() target is now required"),e=new wt),this.delta(e).multiplyScalar(t).add(this.start)},xh.prototype.closestPointToPointParameter=function(t,e){gh.subVectors(t,this.start),yh.subVectors(this.end,this.start);var n=yh.dot(yh),r=yh.dot(gh)/n;return e&&(r=ct.clamp(r,0,1)),r},xh.prototype.closestPointToPoint=function(t,e,n){var r=this.closestPointToPointParameter(t,e);return void 0===n&&(console.warn("THREE.Line3: .closestPointToPoint() target is now required"),n=new wt),this.delta(n).multiplyScalar(r).add(this.start)},xh.prototype.applyMatrix4=function(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this},xh.prototype.equals=function(t){return t.start.equals(this.start)&&t.end.equals(this.end)},bh.prototype=Object.create(we.prototype),bh.prototype.constructor=bh,bh.prototype.isImmediateRenderObject=!0;var _h=new wt;function wh(t,e){we.call(this),this.light=t,this.light.updateMatrixWorld(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=e;for(var n=new gn,r=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1],i=0,a=1;i<32;i++,a++){var o=i/32*Math.PI*2,s=a/32*Math.PI*2;r.push(Math.cos(o),Math.sin(o),1,Math.cos(s),Math.sin(s),1)}n.setAttribute("position",new on(r,3));var c=new $a({fog:!1,toneMapped:!1});this.cone=new co(n,c),this.add(this.cone),this.update()}wh.prototype=Object.create(we.prototype),wh.prototype.constructor=wh,wh.prototype.dispose=function(){this.cone.geometry.dispose(),this.cone.material.dispose()},wh.prototype.update=function(){this.light.updateMatrixWorld();var t=this.light.distance?this.light.distance:1e3,e=t*Math.tan(this.light.angle);this.cone.scale.set(e,e,t),_h.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(_h),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)};var Mh=new wt,Sh=new Jt,Th=new Jt;function Eh(t){for(var e=Ah(t),n=new gn,r=[],i=[],a=new je(0,0,1),o=new je(0,1,0),s=0;s.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Zh.set(t.z,0,-t.x).normalize();var e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Zh,e)}},Jh.prototype.setLength=function(t,e,n){void 0===e&&(e=.2*t),void 0===n&&(n=.2*e),this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(n,e,n),this.cone.position.y=t,this.cone.updateMatrix()},Jh.prototype.setColor=function(t){this.line.material.color.set(t),this.cone.material.color.set(t)},Jh.prototype.copy=function(t){return we.prototype.copy.call(this,t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this},Qh.prototype=Object.create(co.prototype),Qh.prototype.constructor=Qh;var Kh=Math.pow(2,8),$h=[.125,.215,.35,.446,.526,.582],tu=5+$h.length,eu=20,nu={3e3:0,3001:1,3002:2,3004:3,3005:4,3006:5,3007:6},ru=new nl,iu=fu(),au=iu._lodPlanes,ou=iu._sizeLods,su=iu._sigmas,cu=null,lu=(1+Math.sqrt(5))/2,hu=1/lu,uu=[new wt(1,1,1),new wt(-1,1,1),new wt(1,1,-1),new wt(-1,1,-1),new wt(0,lu,hu),new wt(0,lu,-hu),new wt(hu,0,lu),new wt(-hu,0,lu),new wt(lu,hu,0),new wt(-lu,hu,0)],pu=function(t){var e,n,r;this._renderer=t,this._pingPongRenderTarget=null,this._blurMaterial=(e=eu,n=new Float32Array(e),r=new wt(0,1,0),new Vs({name:"SphericalGaussianBlur",defines:{n:e},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:n},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r},inputEncoding:{value:nu[3e3]},outputEncoding:{value:nu[3e3]}},vertexShader:"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t",fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include \n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})),this._equirectShader=null,this._cubemapShader=null,this._compileMaterial(this._blurMaterial)};function du(t){return void 0!==t&&t.type===x&&(t.encoding===X||t.encoding===Y||t.encoding===Z)}function fu(){for(var t=[],e=[],n=[],r=8,i=0;i4?o=$h[i-8+4-1]:0==i&&(o=0),n.push(o);for(var s=1/(a-1),c=-s/2,l=1+s/2,h=[c,c,l,c,l,l,c,c,l,l,c,l],u=new Float32Array(108),p=new Float32Array(72),d=new Float32Array(36),f=0;f<6;f++){var m=f%3*2/3-1,v=f>2?0:-1,g=[m,v,0,m+2/3,v,0,m+2/3,v+1,0,m,v,0,m+2/3,v+1,0,m,v+1,0];u.set(g,18*f),p.set(h,12*f);var y=[f,f,f,f,f,f];d.set(y,6*f)}var x=new gn;x.setAttribute("position",new Qe(u,3)),x.setAttribute("uv",new Qe(p,2)),x.setAttribute("faceIndex",new Qe(d,1)),t.push(x),r>4&&r--}return{_lodPlanes:t,_sizeLods:e,_sigmas:n}}function mu(t){var e=new yt(3*Kh,3*Kh,t);return e.texture.mapping=c,e.texture.name="PMREM.cubeUv",e.scissorTest=!0,e}function vu(t,e,n,r,i){t.viewport.set(e,n,r,i),t.scissor.set(e,n,r,i)}function gu(){return new Vs({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null},texelSize:{value:new lt(1,1)},inputEncoding:{value:nu[3e3]},outputEncoding:{value:nu[3e3]}},vertexShader:"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t",fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include \n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tvec2 f = fract( uv / texelSize - 0.5 );\n\t\t\t\tuv -= f * texelSize;\n\t\t\t\tvec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x += texelSize.x;\n\t\t\t\tvec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.y += texelSize.y;\n\t\t\t\tvec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x -= texelSize.x;\n\t\t\t\tvec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\n\t\t\t\tvec3 tm = mix( tl, tr, f.x );\n\t\t\t\tvec3 bm = mix( bl, br, f.x );\n\t\t\t\tgl_FragColor.rgb = mix( tm, bm, f.y );\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function yu(){return new Vs({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},inputEncoding:{value:nu[3e3]},outputEncoding:{value:nu[3e3]}},vertexShader:"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t",fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\t\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include \n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}pu.prototype.fromScene=function(t,e,n,r){void 0===e&&(e=0),void 0===n&&(n=.1),void 0===r&&(r=100),cu=this._renderer.getRenderTarget();var i=this._allocateTargets();return this._sceneToCubeUV(t,n,r,i),e>0&&this._blur(i,0,0,e),this._applyPMREM(i),this._cleanup(i),i},pu.prototype.fromEquirectangular=function(t){return this._fromTexture(t)},pu.prototype.fromCubemap=function(t){return this._fromTexture(t)},pu.prototype.compileCubemapShader=function(){null===this._cubemapShader&&(this._cubemapShader=yu(),this._compileMaterial(this._cubemapShader))},pu.prototype.compileEquirectangularShader=function(){null===this._equirectShader&&(this._equirectShader=gu(),this._compileMaterial(this._equirectShader))},pu.prototype.dispose=function(){this._blurMaterial.dispose(),null!==this._cubemapShader&&this._cubemapShader.dispose(),null!==this._equirectShader&&this._equirectShader.dispose();for(var t=0;t2?Kh:0,Kh,Kh),s.setRenderTarget(r),s.render(t,i)}s.toneMapping=l,s.outputEncoding=c,s.setClearColor(h,u)},pu.prototype._textureToCubeUV=function(t,e){var n=this._renderer;t.isCubeTexture?null==this._cubemapShader&&(this._cubemapShader=yu()):null==this._equirectShader&&(this._equirectShader=gu());var r=t.isCubeTexture?this._cubemapShader:this._equirectShader,i=new Nn(au[0],r),a=r.uniforms;a.envMap.value=t,t.isCubeTexture||a.texelSize.value.set(1/t.image.width,1/t.image.height),a.inputEncoding.value=nu[t.encoding],a.outputEncoding.value=nu[e.texture.encoding],vu(e,0,0,3*Kh,2*Kh),n.setRenderTarget(e),n.render(i,ru)},pu.prototype._applyPMREM=function(t){var e=this._renderer,n=e.autoClear;e.autoClear=!1;for(var r=1;reu&&console.warn("sigmaRadians, "+i+", is too large and will clip, as it requested "+f+" samples when the maximum is set to "+eu);for(var m=[],v=0,g=0;g4?r-8+4:0),3*_,2*_),s.setRenderTarget(e),s.render(l,ru)};function xu(t){console.warn("THREE.ClosedSplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead."),Dc.call(this,t),this.type="catmullrom",this.closed=!0}function bu(t){console.warn("THREE.SplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead."),Dc.call(this,t),this.type="catmullrom"}function _u(t){console.warn("THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead."),Dc.call(this,t),this.type="catmullrom"}Ec.create=function(t,e){return console.log("THREE.Curve.create() has been deprecated"),t.prototype=Object.create(Ec.prototype),t.prototype.constructor=t,t.prototype.getPoint=e,t},Object.assign(qc.prototype,{createPointsGeometry:function(t){console.warn("THREE.CurvePath: .createPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");var e=this.getPoints(t);return this.createGeometry(e)},createSpacedPointsGeometry:function(t){console.warn("THREE.CurvePath: .createSpacedPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");var e=this.getSpacedPoints(t);return this.createGeometry(e)},createGeometry:function(t){console.warn("THREE.CurvePath: .createGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");for(var e=new kn,n=0,r=t.length;n