!function(t,n){"object"==typeof exports&&"object"==typeof module?module.exports=n():"function"==typeof define&&define.amd?define([],n):"object"==typeof exports?exports.fengmap=n():t.fengmap=n()}(this,function(){return i={},r.m=e=[function(t,n,e){"use strict";e.r(n);var h={};function i(){}e.r(h),e.d(h,"ShadowMaterial",function(){return sn}),e.d(h,"SpriteMaterial",function(){return hn}),e.d(h,"RawShaderMaterial",function(){return mn}),e.d(h,"ShaderMaterial",function(){return vn}),e.d(h,"PointsMaterial",function(){return H}),e.d(h,"MeshPhysicalMaterial",function(){return gn}),e.d(h,"MeshStandardMaterial",function(){return pn}),e.d(h,"MeshPhongMaterial",function(){return _n}),e.d(h,"MeshToonMaterial",function(){return xn}),e.d(h,"MeshNormalMaterial",function(){return An}),e.d(h,"MeshLambertMaterial",function(){return wn}),e.d(h,"MeshDepthMaterial",function(){return Sn}),e.d(h,"MeshDistanceMaterial",function(){return yn}),e.d(h,"MeshBasicMaterial",function(){return Mn}),e.d(h,"MeshMatcapMaterial",function(){return Tn}),e.d(h,"LineDashedMaterial",function(){return Ln}),e.d(h,"LineBasicMaterial",function(){return bn}),e.d(h,"Material",function(){return F}),Object.assign(i.prototype,{addEventListener:function(t,n){void 0===this.e&&(this.e={});var e=this.e;void 0===e[t]&&(e[t]=[]),-1===e[t].indexOf(n)&&e[t].push(n)},hasEventListener:function(t,n){if(void 0===this.e)return!1;var e=this.e;return void 0!==e[t]&&-1!==e[t].indexOf(n)},removeEventListener:function(t,n){void 0!==this.e&&(void 0===(t=this.e[t])||-1!==(n=t.indexOf(n))&&t.splice(n,1))},dispatchEvent:function(t){if(void 0!==this.e){var n=this.e[t.type];if(void 0!==n){t.target=this;for(var e=n.slice(0),i=0,r=e.length;i>8&255]+M[t>>16&255]+M[t>>24&255]+"-"+M[255&n]+M[n>>8&255]+"-"+M[n>>16&15|64]+M[n>>24&255]+"-"+M[63&e|128]+M[e>>8&255]+"-"+M[e>>16&255]+M[e>>24&255]+M[255&i]+M[i>>8&255]+M[i>>16&255]+M[i>>24&255]).toUpperCase()},clamp:function(t,n,e){return Math.max(n,Math.min(e,t))},euclideanModulo:function(t,n){return(t%n+n)%n},mapLinear:function(t,n,e,i,r){return i+(t-n)*(r-i)/(e-n)},lerp:function(t,n,e){return(1-e)*t+e*n},smoothstep:function(t,n,e){return t<=n?0:e<=t?1:(t=(t-n)/(e-n))*t*(3-2*t)},smootherstep:function(t,n,e){return t<=n?0:e<=t?1:(t=(t-n)/(e-n))*t*t*(t*(6*t-15)+10)},randInt:function(t,n){return t+Math.floor(Math.random()*(n-t+1))},randFloat:function(t,n){return t+Math.random()*(n-t)},randFloatSpread:function(t){return t*(.5-Math.random())},degToRad:function(t){return t*E.DEG2RAD},radToDeg:function(t){return t*E.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,n,e,i,r){var a=Math.cos,o=Math.sin,s=a(e/2),h=o(e/2),l=a((n+i)/2),c=o((n+i)/2),u=a((n-i)/2),e=o((n-i)/2),a=a((i-n)/2),n=o((i-n)/2);"XYX"===r?t.set(s*c,h*u,h*e,s*l):"YZY"===r?t.set(h*e,s*c,h*u,s*l):"ZXZ"===r?t.set(h*u,h*e,s*c,s*l):"XZX"===r?t.set(s*c,h*n,h*a,s*l):"YXY"===r?t.set(h*a,s*c,h*n,s*l):"ZYZ"===r?t.set(h*n,h*a,s*c,s*l):console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order.")}},b=0;function F(){Object.defineProperty(this,"id",{value:b++}),this.uuid=E.generateUUID(),this.name="",this.type="Material",this.fog=!0,this.blending=r,this.side=L,this.flatShading=!1,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=o,this.blendDst=s,this.blendEquation=a,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=u,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=S,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=w,this.stencilZFail=w,this.stencilZPass=w,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaTest=0,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0}F.prototype=Object.assign(Object.create(i.prototype),{constructor:F,isMaterial:!0,onBeforeCompile:function(){},setValues:function(t){if(void 0!==t)for(var n in t){var e,i=t[n];void 0!==i?"shading"!==n?void 0!==(e=this[n])?e&&e.isColor?e.set(i):e&&e.isVector3&&i&&i.isVector3?e.copy(i):this[n]=i:console.warn("THREE."+this.type+": '"+n+"' is not a property of this material."):(console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===i):console.warn("THREE.Material: '"+n+"' parameter is undefined.")}},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 n=t.clippingPlanes,e=null;if(null!==n)for(var i=n.length,e=new Array(i),r=0;r!==i;++r)e[r]=n[r].clone();return this.clippingPlanes=e,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(F.prototype,"needsUpdate",{set:function(t){!0===t&&this.version++}});var N={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},D={h:0,s:0,l:0},C={h:0,s:0,l:0};function I(t,n,e){return void 0===n&&void 0===e?this.set(t):this.setRGB(t,n,e)}function R(t,n,e){return e<0&&(e+=1),1>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,this},setRGB:function(t,n,e){return this.r=t,this.g=n,this.b=e,this},setHSL:function(t,n,e){return t=E.euclideanModulo(t,1),n=E.clamp(n,0,1),e=E.clamp(e,0,1),0===n?this.r=this.g=this.b=e:(this.r=R(n=2*e-(e=e<=.5?e*(1+n):e+n-e*n),e,t+1/3),this.g=R(n,e,t),this.b=R(n,e,t-1/3)),this},setStyle:function(n){function t(t){void 0!==t&&parseFloat(t)<1&&console.warn("THREE.Color: Alpha component of "+n+" will be ignored.")}if(h=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(n)){var e,i=h[1],r=h[2];switch(i){case"rgb":case"rgba":if(e=/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(r))return this.r=Math.min(255,parseInt(e[1],10))/255,this.g=Math.min(255,parseInt(e[2],10))/255,this.b=Math.min(255,parseInt(e[3],10))/255,t(e[5]),this;if(e=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(r))return this.r=Math.min(100,parseInt(e[1],10))/100,this.g=Math.min(100,parseInt(e[2],10))/100,this.b=Math.min(100,parseInt(e[3],10))/100,t(e[5]),this;break;case"hsl":case"hsla":if(e=/^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(r)){var a=parseFloat(e[1])/360,o=parseInt(e[2],10)/100,s=parseInt(e[3],10)/100;return t(e[5]),this.setHSL(a,o,s)}}}else if(h=/^\#([A-Fa-f0-9]+)$/.exec(n)){var i=h[1],h=i.length;if(3===h)return this.r=parseInt(i.charAt(0)+i.charAt(0),16)/255,this.g=parseInt(i.charAt(1)+i.charAt(1),16)/255,this.b=parseInt(i.charAt(2)+i.charAt(2),16)/255,this;if(6===h)return this.r=parseInt(i.charAt(0)+i.charAt(1),16)/255,this.g=parseInt(i.charAt(2)+i.charAt(3),16)/255,this.b=parseInt(i.charAt(4)+i.charAt(5),16)/255,this}return n&&0Number.EPSILON&&(a=Math.sqrt(a),i=Math.atan2(a,i*r),e=Math.sin(e*i)/a,o=Math.sin(o*i)/a),s=s*e+u*(r=o*r),h=h*e+f*r,l=l*e+d*r,c=c*e+v*r,e===1-o&&(s*=o=1/Math.sqrt(s*s+h*h+l*l+c*c),h*=o,l*=o,c*=o)),t[n]=s,t[n+1]=h,t[n+2]=l,t[n+3]=c}}),Object.defineProperties(X.prototype,{x:{get:function(){return this.u},set:function(t){this.u=t,this.A()}},y:{get:function(){return this.f},set:function(t){this.f=t,this.A()}},z:{get:function(){return this.v},set:function(t){this.v=t,this.A()}},w:{get:function(){return this._},set:function(t){this._=t,this.A()}}}),Object.assign(X.prototype,{isQuaternion:!0,set:function(t,n,e,i){return this.u=t,this.f=n,this.v=e,this._=i,this.A(),this},clone:function(){return new this.constructor(this.u,this.f,this.v,this._)},copy:function(t){return this.u=t.x,this.f=t.y,this.v=t.z,this._=t.w,this.A(),this},setFromEuler:function(t,n){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var e=t.u,i=t.f,r=t.v,a=t.order,o=Math.cos,s=Math.sin,h=o(e/2),t=o(i/2),o=o(r/2),e=s(e/2),i=s(i/2),r=s(r/2);return"XYZ"===a?(this.u=e*t*o+h*i*r,this.f=h*i*o-e*t*r,this.v=h*t*r+e*i*o,this._=h*t*o-e*i*r):"YXZ"===a?(this.u=e*t*o+h*i*r,this.f=h*i*o-e*t*r,this.v=h*t*r-e*i*o,this._=h*t*o+e*i*r):"ZXY"===a?(this.u=e*t*o-h*i*r,this.f=h*i*o+e*t*r,this.v=h*t*r+e*i*o,this._=h*t*o-e*i*r):"ZYX"===a?(this.u=e*t*o-h*i*r,this.f=h*i*o+e*t*r,this.v=h*t*r-e*i*o,this._=h*t*o+e*i*r):"YZX"===a?(this.u=e*t*o+h*i*r,this.f=h*i*o+e*t*r,this.v=h*t*r-e*i*o,this._=h*t*o-e*i*r):"XZY"===a&&(this.u=e*t*o-h*i*r,this.f=h*i*o-e*t*r,this.v=h*t*r+e*i*o,this._=h*t*o+e*i*r),!1!==n&&this.A(),this},setFromAxisAngle:function(t,n){var e=n/2,n=Math.sin(e);return this.u=t.x*n,this.f=t.y*n,this.v=t.z*n,this._=Math.cos(e),this.A(),this},setFromRotationMatrix:function(t){var n,e=t.elements,i=e[0],r=e[4],a=e[8],o=e[1],s=e[5],h=e[9],l=e[2],c=e[6],t=e[10],e=i+s+t;return 0Math.abs(t.z)?(this.u=-t.y,this.f=t.x,this.v=0):(this.u=0,this.f=-t.z,this.v=t.y)):(this.u=t.y*n.z-t.z*n.y,this.f=t.z*n.x-t.x*n.z,this.v=t.x*n.y-t.y*n.x),this._=e,this.normalize()},angleTo:function(t){return 2*Math.acos(Math.abs(E.clamp(this.dot(t),-1,1)))},rotateTowards:function(t,n){var e=this.angleTo(t);if(0===e)return this;e=Math.min(1,n/e);return this.slerp(t,e),this},inverse:function(){return this.conjugate()},conjugate:function(){return this.u*=-1,this.f*=-1,this.v*=-1,this.A(),this},dot:function(t){return this.u*t.u+this.f*t.f+this.v*t.v+this._*t._},lengthSq:function(){return this.u*this.u+this.f*this.f+this.v*this.v+this._*this._},length:function(){return Math.sqrt(this.u*this.u+this.f*this.f+this.v*this.v+this._*this._)},normalize:function(){var t=this.length();return 0===t?(this.u=0,this.f=0,this.v=0,this._=1):(this.u=this.u*(t=1/t),this.f=this.f*t,this.v=this.v*t,this._=this._*t),this.A(),this},multiply:function(t,n){return void 0!==n?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(t,n)):this.multiplyQuaternions(this,t)},premultiply:function(t){return this.multiplyQuaternions(t,this)},multiplyQuaternions:function(t,n){var e=t.u,i=t.f,r=t.v,a=t._,o=n.u,s=n.f,t=n.v,n=n._;return this.u=e*n+a*o+i*t-r*s,this.f=i*n+a*s+r*o-e*t,this.v=r*n+a*t+e*s-i*o,this._=a*n-e*o-i*s-r*t,this.A(),this},slerp:function(t,n){if(0===n)return this;if(1===n)return this.copy(t);var e=this.u,i=this.f,r=this.v,a=this._,o=a*t._+e*t.u+i*t.f+r*t.v;if(o<0?(this._=-t._,this.u=-t.u,this.f=-t.f,this.v=-t.v,o=-o):this.copy(t),1<=o)return this._=a,this.u=e,this.f=i,this.v=r,this;t=1-o*o;if(t<=Number.EPSILON){var s=1-n;return this._=s*a+n*this._,this.u=s*e+n*this.u,this.f=s*i+n*this.f,this.v=s*r+n*this.v,this.normalize(),this.A(),this}s=Math.sqrt(t),t=Math.atan2(s,o),o=Math.sin((1-n)*t)/s,s=Math.sin(n*t)/s;return this._=a*o+this._*s,this.u=e*o+this.u*s,this.f=i*o+this.f*s,this.v=r*o+this.v*s,this.A(),this},equals:function(t){return t.u===this.u&&t.f===this.f&&t.v===this.v&&t._===this._},fromArray:function(t,n){return this.u=t[n=void 0===n?0:n],this.f=t[n+1],this.v=t[n+2],this._=t[n+3],this.A(),this},toArray:function(t,n){return(t=void 0===t?[]:t)[n=void 0===n?0:n]=this.u,t[n+1]=this.f,t[n+2]=this.v,t[n+3]=this._,t},fromBufferAttribute:function(t,n){return this.u=t.getX(n),this.f=t.getY(n),this.v=t.getZ(n),this._=t.getW(n),this},S:function(t){return this.A=t,this},A:function(){}});var G=new B,z=new X;function B(t,n,e){this.x=t||0,this.y=n||0,this.z=e||0}Object.assign(B.prototype,{isVector3:!0,set:function(t,n,e){return this.x=t,this.y=n,this.z=e,this},setScalar:function(t){return this.x=t,this.y=t,this.z=t,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setZ:function(t){return this.z=t,this},setComponent:function(t,n){switch(t){case 0:this.x=n;break;case 1:this.y=n;break;case 2:this.z=n;break;default:throw new Error("index is out of range: "+t)}return this},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)}},clone:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(t){return this.x=t.x,this.y=t.y,this.z=t.z,this},add:function(t,n){return void 0!==n?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,n)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this)},addScalar:function(t){return this.x+=t,this.y+=t,this.z+=t,this},addVectors:function(t,n){return this.x=t.x+n.x,this.y=t.y+n.y,this.z=t.z+n.z,this},addScaledVector:function(t,n){return this.x+=t.x*n,this.y+=t.y*n,this.z+=t.z*n,this},sub:function(t,n){return void 0!==n?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,n)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this)},subScalar:function(t){return this.x-=t,this.y-=t,this.z-=t,this},subVectors:function(t,n){return this.x=t.x-n.x,this.y=t.y-n.y,this.z=t.z-n.z,this},multiply:function(t,n){return void 0!==n?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(t,n)):(this.x*=t.x,this.y*=t.y,this.z*=t.z,this)},multiplyScalar:function(t){return this.x*=t,this.y*=t,this.z*=t,this},multiplyVectors:function(t,n){return this.x=t.x*n.x,this.y=t.y*n.y,this.z=t.z*n.z,this},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(z.setFromEuler(t))},applyAxisAngle:function(t,n){return this.applyQuaternion(z.setFromAxisAngle(t,n))},applyMatrix3:function(t){var n=this.x,e=this.y,i=this.z,t=t.elements;return this.x=t[0]*n+t[3]*e+t[6]*i,this.y=t[1]*n+t[4]*e+t[7]*i,this.z=t[2]*n+t[5]*e+t[8]*i,this},applyNormalMatrix:function(t){return this.applyMatrix3(t).normalize()},applyMatrix4:function(t){var n=this.x,e=this.y,i=this.z,r=t.elements,t=1/(r[3]*n+r[7]*e+r[11]*i+r[15]);return this.x=(r[0]*n+r[4]*e+r[8]*i+r[12])*t,this.y=(r[1]*n+r[5]*e+r[9]*i+r[13])*t,this.z=(r[2]*n+r[6]*e+r[10]*i+r[14])*t,this},applyQuaternion:function(t){var n=this.x,e=this.y,i=this.z,r=t.x,a=t.y,o=t.z,s=t.w,h=s*n+a*i-o*e,l=s*e+o*n-r*i,t=s*i+r*e-a*n,i=-r*n-a*e-o*i;return this.x=h*s+i*-r+l*-o-t*-a,this.y=l*s+i*-a+t*-r-h*-o,this.z=t*s+i*-o+h*-a-l*-r,this},project:function(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)},unproject:function(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)},transformDirection:function(t){var n=this.x,e=this.y,i=this.z,t=t.elements;return this.x=t[0]*n+t[4]*e+t[8]*i,this.y=t[1]*n+t[5]*e+t[9]*i,this.z=t[2]*n+t[6]*e+t[10]*i,this.normalize()},divide:function(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this},divideScalar:function(t){return this.multiplyScalar(1/t)},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},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},clamp:function(t,n){return this.x=Math.max(t.x,Math.min(n.x,this.x)),this.y=Math.max(t.y,Math.min(n.y,this.y)),this.z=Math.max(t.z,Math.min(n.z,this.z)),this},clampScalar:function(t,n){return this.x=Math.max(t,Math.min(n,this.x)),this.y=Math.max(t,Math.min(n,this.y)),this.z=Math.max(t,Math.min(n,this.z)),this},clampLength:function(t,n){var e=this.length();return this.divideScalar(e||1).multiplyScalar(Math.max(t,Math.min(n,e)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this},round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this},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},negate:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this},dot:function(t){return this.x*t.x+this.y*t.y+this.z*t.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(t){return this.normalize().multiplyScalar(t)},lerp:function(t,n){return this.x+=(t.x-this.x)*n,this.y+=(t.y-this.y)*n,this.z+=(t.z-this.z)*n,this},lerpVectors:function(t,n,e){return this.subVectors(n,t).multiplyScalar(e).add(t)},cross:function(t,n){return void 0!==n?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(t,n)):this.crossVectors(this,t)},crossVectors:function(t,n){var e=t.x,i=t.y,r=t.z,a=n.x,t=n.y,n=n.z;return this.x=i*n-r*t,this.y=r*a-e*n,this.z=e*t-i*a,this},projectOnVector:function(t){var n=t.lengthSq();if(0===n)return this.set(0,0,0);n=t.dot(this)/n;return this.copy(t).multiplyScalar(n)},projectOnPlane:function(t){return G.copy(this).projectOnVector(t),this.sub(G)},reflect:function(t){return this.sub(G.copy(t).multiplyScalar(2*this.dot(t)))},angleTo:function(t){var n=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===n)return Math.PI/2;n=this.dot(t)/n;return Math.acos(E.clamp(n,-1,1))},distanceTo:function(t){return Math.sqrt(this.distanceToSquared(t))},distanceToSquared:function(t){var n=this.x-t.x,e=this.y-t.y,t=this.z-t.z;return n*n+e*e+t*t},manhattanDistanceTo:function(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)},setFromSpherical:function(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)},setFromSphericalCoords:function(t,n,e){var i=Math.sin(n)*t;return this.x=i*Math.sin(e),this.y=Math.cos(n)*t,this.z=i*Math.cos(e),this},setFromCylindrical:function(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)},setFromCylindricalCoords:function(t,n,e){return this.x=t*Math.sin(n),this.y=e,this.z=t*Math.cos(n),this},setFromMatrixPosition:function(t){t=t.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this},setFromMatrixScale:function(t){var n=this.setFromMatrixColumn(t,0).length(),e=this.setFromMatrixColumn(t,1).length(),t=this.setFromMatrixColumn(t,2).length();return this.x=n,this.y=e,this.z=t,this},setFromMatrixColumn:function(t,n){return this.fromArray(t.elements,4*n)},setFromMatrix3Column:function(t,n){return this.fromArray(t.elements,3*n)},equals:function(t){return t.x===this.x&&t.y===this.y&&t.z===this.z},fromArray:function(t,n){return this.x=t[n=void 0===n?0:n],this.y=t[n+1],this.z=t[n+2],this},toArray:function(t,n){return(t=void 0===t?[]:t)[n=void 0===n?0:n]=this.x,t[n+1]=this.y,t[n+2]=this.z,t},fromBufferAttribute:function(t,n,e){return void 0!==e&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(n),this.y=t.getY(n),this.z=t.getZ(n),this}});var k=[new B,new B,new B,new B,new B,new B,new B,new B],V=new B,Y=new et,j=new B,Q=new B,W=new B,Z=new B,q=new B,K=new B,J=new B,$=new B,tt=new B,nt=new B;function et(t,n){this.min=void 0!==t?t:new B(1/0,1/0,1/0),this.max=void 0!==n?n:new B(-1/0,-1/0,-1/0)}function it(t,n,e,i,r){for(var a=0,o=t.length-3;a<=o;a+=3){nt.fromArray(t,a);var s=r.x*Math.abs(nt.x)+r.y*Math.abs(nt.y)+r.z*Math.abs(nt.z),h=n.dot(nt),l=e.dot(nt),c=i.dot(nt);if(Math.max(-Math.max(h,l,c),Math.min(h,l,c))>s)return!1}return!0}function rt(t,n,e,i){this.x=t||0,this.y=n||0,this.z=e||0,this.w=void 0!==i?i:1}function at(t,n){this.x=t||0,this.y=n||0}Object.assign(et.prototype,{isBox3:!0,set:function(t,n){return this.min.copy(t),this.max.copy(n),this},setFromArray:function(t){for(var n=1/0,e=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0,s=0,h=t.length;sthis.max.x||t.ythis.max.y||t.zthis.max.z)},containsBox:function(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z},getParameter:function(t,n){return void 0===n&&(console.warn("THREE.Box3: .getParameter() target is now required"),n=new B),n.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)},intersectsSphere:function(t){return this.clampPoint(t.center,V),V.distanceToSquared(t.center)<=t.radius*t.radius},intersectsPlane:function(t){var n,e=0=-t.constant},intersectsTriangle:function(t){if(this.isEmpty())return!1;this.getCenter(J),$.subVectors(this.max,J),j.subVectors(t.a,J),Q.subVectors(t.b,J),W.subVectors(t.c,J),Z.subVectors(Q,j),q.subVectors(W,Q),K.subVectors(j,W);t=[0,-Z.z,Z.y,0,-q.z,q.y,0,-K.z,K.y,Z.z,0,-Z.x,q.z,0,-q.x,K.z,0,-K.x,-Z.y,Z.x,0,-q.y,q.x,0,-K.y,K.x,0];return!!it(t,j,Q,W,$)&&(!!it(t=[1,0,0,0,1,0,0,0,1],j,Q,W,$)&&(tt.crossVectors(Z,q),it(t=[tt.x,tt.y,tt.z],j,Q,W,$)))},clampPoint:function(t,n){return void 0===n&&(console.warn("THREE.Box3: .clampPoint() target is now required"),n=new B),n.copy(t).clamp(this.min,this.max)},distanceToPoint:function(t){return V.copy(t).clamp(this.min,this.max).sub(t).length()},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(V).length(),t},intersect:function(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this},union:function(t){return this.min.min(t.min),this.max.max(t.max),this},applyMatrix4:function(t){return this.isEmpty()||(k[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),k[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),k[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),k[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),k[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),k[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),k[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),k[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(k)),this},translate:function(t){return this.min.add(t),this.max.add(t),this},equals:function(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}),Object.defineProperties(rt.prototype,{width:{get:function(){return this.z},set:function(t){this.z=t}},height:{get:function(){return this.w},set:function(t){this.w=t}}}),Object.assign(rt.prototype,{isVector4:!0,set:function(t,n,e,i){return this.x=t,this.y=n,this.z=e,this.w=i,this},setScalar:function(t){return this.x=t,this.y=t,this.z=t,this.w=t,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setZ:function(t){return this.z=t,this},setW:function(t){return this.w=t,this},setComponent:function(t,n){switch(t){case 0:this.x=n;break;case 1:this.y=n;break;case 2:this.z=n;break;case 3:this.w=n;break;default:throw new Error("index is out of range: "+t)}return this},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)}},clone:function(){return new this.constructor(this.x,this.y,this.z,this.w)},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},add:function(t,n){return void 0!==n?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,n)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this)},addScalar:function(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this},addVectors:function(t,n){return this.x=t.x+n.x,this.y=t.y+n.y,this.z=t.z+n.z,this.w=t.w+n.w,this},addScaledVector:function(t,n){return this.x+=t.x*n,this.y+=t.y*n,this.z+=t.z*n,this.w+=t.w*n,this},sub:function(t,n){return void 0!==n?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,n)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this)},subScalar:function(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this},subVectors:function(t,n){return this.x=t.x-n.x,this.y=t.y-n.y,this.z=t.z-n.z,this.w=t.w-n.w,this},multiplyScalar:function(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this},applyMatrix4:function(t){var n=this.x,e=this.y,i=this.z,r=this.w,t=t.elements;return this.x=t[0]*n+t[4]*e+t[8]*i+t[12]*r,this.y=t[1]*n+t[5]*e+t[9]*i+t[13]*r,this.z=t[2]*n+t[6]*e+t[10]*i+t[14]*r,this.w=t[3]*n+t[7]*e+t[11]*i+t[15]*r,this},divideScalar:function(t){return this.multiplyScalar(1/t)},setAxisAngleFromQuaternion:function(t){this.w=2*Math.acos(t.w);var n=Math.sqrt(1-t.w*t.w);return n<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/n,this.y=t.y/n,this.z=t.z/n),this},setAxisAngleFromRotationMatrix:function(t){var n,e,i,r=t.elements,a=r[0],o=r[4],s=r[8],h=r[1],l=r[5],c=r[9],u=r[2],f=r[6],d=r[10];if(Math.abs(o-h)<.01&&Math.abs(s-u)<.01&&Math.abs(c-f)<.01){if(Math.abs(o+h)<.1&&Math.abs(s+u)<.1&&Math.abs(c+f)<.1&&Math.abs(a+l+d-3)<.1)return this.set(1,0,0,0),this;var v=Math.PI,m=(a+1)/2,p=(l+1)/2,g=(d+1)/2,_=(o+h)/4,t=(s+u)/4,r=(c+f)/4;return pthis.radius*this.radius&&(n.sub(this.center).normalize(),n.multiplyScalar(this.radius).add(this.center)),n},getBoundingBox:function(t){return void 0===t&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),t=new et),t.set(this.center,this.center),t.expandByScalar(this.radius),t},applyMatrix4:function(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this},translate:function(t){return this.center.add(t),this},equals:function(t){return t.center.equals(this.center)&&t.radius===this.radius}}),Object.assign(xt.prototype,{computeGroups:function(t){for(var n,e=[],i=void 0,r=t.faces,a=0;an&&(n=t[e]);return n}(t)?vt:ft)(t,1):this.index=t},getAttribute:function(t){return this.attributes[t]},setAttribute:function(t,n){return this.attributes[t]=n,this},deleteAttribute:function(t){return delete this.attributes[t],this},addGroup:function(t,n,e){this.groups.push({start:t,count:n,materialIndex:void 0!==e?e:0})},clearGroups:function(){this.groups=[]},setDrawRange:function(t,n){this.drawRange.start=t,this.drawRange.count=n},applyMatrix4:function(t){var n=this.attributes.position;void 0!==n&&(n.applyMatrix4(t),n.needsUpdate=!0);var e=this.attributes.normal;void 0!==e&&(n=(new Dt).getNormalMatrix(t),e.applyNormalMatrix(n),e.needsUpdate=!0);e=this.attributes.tangent;return void 0!==e&&(e.transformDirection(t),e.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(t){return Wt.makeRotationX(t),this.applyMatrix4(Wt),this},rotateY:function(t){return Wt.makeRotationY(t),this.applyMatrix4(Wt),this},rotateZ:function(t){return Wt.makeRotationZ(t),this.applyMatrix4(Wt),this},translate:function(t,n,e){return Wt.makeTranslation(t,n,e),this.applyMatrix4(Wt),this},scale:function(t,n,e){return Wt.makeScale(t,n,e),this.applyMatrix4(Wt),this},lookAt:function(t){return Zt.lookAt(t),Zt.updateMatrix(),this.applyMatrix4(Zt.matrix),this},center:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(qt).negate(),this.translate(qt.x,qt.y,qt.z),this},setFromObject:function(t){var n,e,i=t.geometry;return t.isPoints||t.isLine?(n=new mt(3*i.vertices.length,3),e=new mt(3*i.colors.length,3),this.setAttribute("position",n.copyVector3sArray(i.vertices)),this.setAttribute("color",e.copyColorsArray(i.colors)),i.lineDistances&&i.lineDistances.length===i.vertices.length&&(e=new mt(i.lineDistances.length,1),this.setAttribute("lineDistance",e.copyArray(i.lineDistances))),null!==i.boundingSphere&&(this.boundingSphere=i.boundingSphere.clone()),null!==i.boundingBox&&(this.boundingBox=i.boundingBox.clone())):t.isMesh&&i&&i.isGeometry&&this.fromGeometry(i),this},setFromPoints:function(t){for(var n=[],e=0,i=t.length;er.far||a.push({distance:i,distanceToRay:Math.sqrt(s),point:e,index:n,face:null,object:o}))}function Jn(t,n){for(var e=0;ee.far?null:{distance:s,point:ze.clone(),object:t}}function Ve(t,n,e,i,r,a,o,s,h,l,c,u){Pe.fromBufferAttribute(r,l),Ee.fromBufferAttribute(r,c),Fe.fromBufferAttribute(r,u);var f=t.morphTargetInfluences;if(n.morphTargets&&a&&f){Ie.set(0,0,0),Re.set(0,0,0),Ue.set(0,0,0);for(var d=0,v=a.length;d\t\t\t\tvarying vec2 vUv;\n\t\t\t\tuniform sampler2D colorTexture;\n\t\t\t\tuniform vec2 texSize;\t\t\t\tuniform vec2 direction;\t\t\t\t\t\t\t\tfloat gaussianPdf(in float x, in float sigma) {\t\t\t\t\treturn 0.39894 * exp( -0.5 * x * x/( sigma * sigma))/sigma;\t\t\t\t}\t\t\t\tvoid main() {\n\t\t\t\t\tvec2 invSize = 1.0 / texSize;\t\t\t\t\tfloat fSigma = float(SIGMA);\t\t\t\t\tfloat weightSum = gaussianPdf(0.0, fSigma);\t\t\t\t\tvec3 diffuseSum = texture2D( colorTexture, vUv).rgb * weightSum;\t\t\t\t\tfor( int i = 1; i < KERNEL_RADIUS; i ++ ) {\t\t\t\t\t\tfloat x = float(i);\t\t\t\t\t\tfloat w = gaussianPdf(x, fSigma);\t\t\t\t\t\tvec2 uvOffset = direction * invSize * x;\t\t\t\t\t\tvec3 sample1 = texture2D( colorTexture, vUv + uvOffset).rgb;\t\t\t\t\t\tvec3 sample2 = texture2D( colorTexture, vUv - uvOffset).rgb;\t\t\t\t\t\tdiffuseSum += (sample1 + sample2) * w;\t\t\t\t\t\tweightSum += 2.0 * w;\t\t\t\t\t}\t\t\t\t\tgl_FragColor = vec4(diffuseSum/weightSum, 1.0);\n\t\t\t\t}"})},getCompositeMaterial:function(t){return new vn({defines:{NUM_MIPS:t},uniforms:{blurTexture1:{value:null},blurTexture2:{value:null},blurTexture3:{value:null},blurTexture4:{value:null},blurTexture5:{value:null},dirtTexture:{value:null},bloomStrength:{value:1},bloomFactors:{value:null},bloomTintColors:{value:null},bloomRadius:{value:0},iTime:{value:0},rainSize:{value:.1},iResolution:{value:new at(300,200)},iMouse:{value:new at(300,200)},iChannel3:{value:null}},vertexShader:"varying vec2 vUv;\n\t\t\t\tvoid main() {\n\t\t\t\t\tvUv = uv;\n\t\t\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\t\t\t\t}",fragmentShader:"\n\n varying vec2 vUv;\n\t\t\t\tuniform sampler2D blurTexture1;\n\t\t\t\tuniform sampler2D blurTexture2;\n\t\t\t\tuniform sampler2D blurTexture3;\n\t\t\t\tuniform sampler2D blurTexture4;\n\t\t\t\tuniform sampler2D blurTexture5;\n\t\t\t\tuniform sampler2D dirtTexture;\n\t\t\t\tuniform float bloomStrength;\n\t\t\t\tuniform float bloomRadius;\n\t\t\t\tuniform float bloomFactors[NUM_MIPS];\n\t\t\t\tuniform vec3 bloomTintColors[NUM_MIPS];\n \n uniform float iTime;\n\n uniform float rainSize;\n\n uniform vec2 iResolution;\n\n uniform vec2 iMouse;\n\n uniform sampler2D iChannel3;\n\n uniform sampler2D tDiffuse;\n\n float sigh;\n mat3 turn;\n vec3 lightning;\n float nose;\n\n mat3 RotMat(vec3 v, float angle) {\n\n v = normalize(v);\n float c = cos(angle);\n float s = sin(angle);\n \n return mat3(c + (1.0 - c) * v.x * v.x, (1.0 - c) * v.x * v.y - s * v.z, (1.0 - c) * v.x * v.z + s * v.y,\n (1.0 - c) * v.x * v.y + s * v.z, c + (1.0 - c) * v.y * v.y, (1.0 - c) * v.y * v.z - s * v.x,\n (1.0 - c) * v.x * v.z - s * v.y, (1.0 - c) * v.y * v.z + s * v.x, c + (1.0 - c) * v.z * v.z\n );\n\n }\n\n vec3 Render( in vec3 ro, in vec3 rd ) {\n\n\n return vec3( 0.0,0.0,0.0 );\n\n }\n\n void main() {\n \n \n vec2 q = gl_FragCoord.xy/iResolution.xy;\n vec2 p = -1.0+2.0*q;\n vec2 mo = iMouse.xy;\n sigh = cos(iTime*1.2+1.5)*.03 + sin(iTime*.746)*.03;\n float ti = mod(iTime, 9.0);\n float f = floor(mod(iTime/9., 2.0));\n float r = (smoothstep(2.0, 3.0, ti) * smoothstep(8.0, 5.0, ti)) * .4;\n if (f == 0.0)\n turn = RotMat(vec3(.1, 0.5, .0), r);\n else\n turn = RotMat(vec3(.1, -0.5, .0), r);\n\n nose = smoothstep(3.0, 3.1, ti)* smoothstep(3.2, 3.1, ti)*.007;\n nose += smoothstep(3.2, 3.3, ti)* smoothstep(3.5, 3.3, ti)*.01;\n nose += smoothstep(3.7, 3.9, ti)* smoothstep(4.4, 3.8, ti)*.02;\n sigh += nose*.75;\n mo = (mo / iResolution.xy) - .5;\n\n vec3 origin = vec3(6.0*mo.x, 3.0 + 4.0*mo.y, -4.0);\n vec3 target = vec3( 0.0, 0.8, 1.2 );\n\n vec3 cw = normalize( target-origin);\n vec3 cp = vec3( 0.0, 1.0, 0.0 );\n vec3 cu = normalize( cross(cw,cp) );\n vec3 cv = ( cross(cu,cw) );\n vec3 ray = normalize( p.x*cu + p.y*cv + 2.5*cw );\n\n vec3 col = Render(origin, ray);\n\n col = pow( abs(col), vec3(.5));\n col *= pow( abs(65.0*q.x*q.y*(1.0-q.x)*(1.0-q.y)), .4 );\n vec2 st = p * vec2(.5, .01)+vec2(iTime*.3-q.y*.6*-cw.x, iTime*.3);\n f = texture2D(iChannel3, st).y * texture2D(iChannel3, st*.773).x * 0.655; \n col += f;\n // col *= min(iTime, 1.0);\n col *= min(rainSize, 1.0);\n gl_FragColor=vec4(clamp(col, 0.0, 1.0), 1.0 );\n \n }\n "})}}),$e.BlurDirectionX=new at(1,0),$e.BlurDirectionY=new at(0,1);function ti(t,n,e,i,r){!function(t,n){if(!(t instanceof n))throw new TypeError("Cannot call a class as a function")}(this,ti),je.call(this),this.scene=t,this.camera=n,this.overrideMaterial=e,this.clearColor=i,this.clearAlpha=void 0!==r?r:0,this.clear=!0,this.clearDepth=!1,this.needsSwap=!1}ti.prototype=Object.assign(Object.create(je.prototype),{constructor:ti,setPass:function(t,n){this.scene=t,this.camera=n},render:function(t,n,e){var i,r,a=t.autoClear;t.autoClear=!1,this.scene.overrideMaterial=this.overrideMaterial,this.clearColor&&(i=t.getClearColor().getHex(),r=t.getClearAlpha(),t.setClearColor(this.clearColor,this.clearAlpha)),this.clearDepth&&t.clearDepth(),t.setRenderTarget(this.renderToScreen?null:e),this.clear&&t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil),t.render(this.scene,this.camera),this.clearColor&&t.setClearColor(i,r),this.scene.overrideMaterial=null,t.autoClear=a}});function ni(t,n){!function(t,n){if(!(t instanceof n))throw new TypeError("Cannot call a class as a function")}(this,ni),je.call(this),this.textureID=void 0!==n?n:"tDiffuse",t instanceof vn?(this.uniforms=t.uniforms,this.material=t):t&&(this.uniforms=un.clone(t.uniforms),this.material=new vn({defines:Object.assign({},t.defines),uniforms:this.uniforms,vertexShader:t.vertexShader,fragmentShader:t.fragmentShader})),this.fsQuad=new je.FullScreenQuad(this.material)}function ei(t,n){if(!(t instanceof n))throw new TypeError("Cannot call a class as a function")}ni.prototype=Object.assign(Object.create(je.prototype),{constructor:ni,render:function(t,n,e){this.uniforms[this.textureID]&&(this.uniforms[this.textureID].value=e.texture),this.fsQuad.material=this.material,this.renderToScreen?t.setRenderTarget(null):(t.setRenderTarget(n),this.clear&&t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil)),this.fsQuad.render(t)}});function ii(t,n){ei(this,ii),je.call(this),this.scene=t,this.camera=n,this.clear=!0,this.needsSwap=!1,this.inverse=!1}ii.prototype=Object.assign(Object.create(je.prototype),{constructor:ii,render:function(t,n,e){var i,r,a=t.getContext(),o=t.state;o.buffers.color.setMask(!1),o.buffers.depth.setMask(!1),o.buffers.color.setLocked(!0),o.buffers.depth.setLocked(!0),r=this.inverse?(i=0,1):(i=1,0),o.buffers.stencil.setTest(!0),o.buffers.stencil.setOp(a.REPLACE,a.REPLACE,a.REPLACE),o.buffers.stencil.setFunc(a.ALWAYS,i,4294967295),o.buffers.stencil.setClear(r),t.setRenderTarget(e),this.clear&&t.clear(),t.render(this.scene,this.camera),t.setRenderTarget(n),this.clear&&t.clear(),t.render(this.scene,this.camera),o.buffers.color.setLocked(!1),o.buffers.depth.setLocked(!1),o.buffers.stencil.setFunc(a.EQUAL,1,4294967295),o.buffers.stencil.setOp(a.KEEP,a.KEEP,a.KEEP)}});function ri(){ei(this,ri),je.call(this),this.needsSwap=!1}function ai(t){this.autoStart=void 0===t||t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}function oi(t,n){if(!(t instanceof n))throw new TypeError("Cannot call a class as a function")}ri.prototype=Object.create(je.prototype),Object.assign(ri.prototype,{render:function(t){t.state.buffers.stencil.setTest(!1)}}),Object.assign(ai.prototype,{start:function(){this.startTime=("undefined"==typeof performance?Date:performance).now(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0},stop:function(){this.getElapsedTime(),this.running=!1,this.autoStart=!1},getElapsedTime:function(){return this.getDelta(),this.elapsedTime},getDelta:function(){var t,n=0;return this.autoStart&&!this.running?(this.start(),0):(this.running&&(n=((t=("undefined"==typeof performance?Date:performance).now())-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=n),n)}});function si(t,n){var e,i;oi(this,si),this.renderer=t,void 0===n?(e={minFilter:P,magFilter:P,format:g,stencilBuffer:!1},i=t.getSize(new at),this.X=t.getPixelRatio(),this.G=i.width,this.B=i.height,(n=new Je(this.G*this.X,this.B*this.X,e)).texture.name="EffectComposer.rt1"):(this.X=1,this.G=n.width,this.B=n.height),this.renderTarget1=n,this.renderTarget2=n.clone(),this.renderTarget2.texture.name="EffectComposer.rt2",this.writeBuffer=this.renderTarget1,this.readBuffer=this.renderTarget2,this.renderToScreen=!0,this.passes=[],this.copyPass=new ni(qe),this.clock=new ai}Object.assign(si.prototype,{swapBuffers:function(){var t=this.readBuffer;this.readBuffer=this.writeBuffer,this.writeBuffer=t},clearPass:function(){for(var t=0;t 0.0 ) {\n\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\n\t}\n\n\treturn distanceFalloff;\n\n#else\n\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\n\t}\n\n\treturn 1.0;\n\n#endif\n\n}\n\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\n\treturn RECIPROCAL_PI * diffuseColor;\n\n} // validated\n\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\n\t// Original approximation by Christophe Schlick \'94\n\t// float fresnel = pow( 1.0 - dotLH, 5.0 );\n\n\t// Optimized variant (presented by Epic at SIGGRAPH \'13)\n\t// https://cdn2.unrealengine.com/Resources/files/2013SiggraphPresentationsNotes-26915738.pdf\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n\n} // validated\n\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\n\t// See F_Schlick\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\n\treturn Fr * fresnel + F0;\n\n}\n\n\n// Microfacet Models for Refraction through Rough Surfaces - equation (34)\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\n// alpha is "roughness squared" in Disney’s reparameterization\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\n\t// geometry term (normalized) = G(l)⋅G(v) / 4(n⋅l)(n⋅v)\n\t// also see #12151\n\n\tfloat a2 = pow2( alpha );\n\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\n\treturn 1.0 / ( gl * gv );\n\n} // validated\n\n// Moving Frostbite to Physically Based Rendering 3.0 - page 12, listing 2\n// https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\n\tfloat a2 = pow2( alpha );\n\n\t// dotNL and dotNV are explicitly swapped. This is not a mistake.\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\n\treturn 0.5 / max( gv + gl, EPSILON );\n\n}\n\n// Microfacet Models for Refraction through Rough Surfaces - equation (33)\n// http://graphicrants.blogspot.com/2013/08/specular-brdf-reference.html\n// alpha is "roughness squared" in Disney’s reparameterization\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\n\tfloat a2 = pow2( alpha );\n\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0; // avoid alpha = 0 with dotNH = 1\n\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n\n}\n\n// GGX Distribution, Schlick Fresnel, GGX-Smith Visibility\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\n\tfloat alpha = pow2( roughness ); // UE4\'s roughness\n\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\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\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\n\tfloat D = D_GGX( alpha, dotNH );\n\n\treturn F * ( G * D );\n\n} // validated\n\n// Rect Area Light\n\n// Real-Time Polygonal-Light Shading with Linearly Transformed Cosines\n// by Eric Heitz, Jonathan Dupuy, Stephen Hill and David Neubelt\n// code: https://github.com/selfshadow/ltc_code/\n\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\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\n\tfloat dotNV = saturate( dot( N, V ) );\n\n\t// texture parameterized by sqrt( GGX alpha ) and sqrt( 1 - cos( theta ) )\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\n\treturn uv;\n\n}\n\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\n\t// Real-Time Area Lighting: a Journey from Research to Production (p.102)\n\t// An approximation of the form factor of a horizon-clipped rectangle.\n\n\tfloat l = length( f );\n\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n\n}\n\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\n\tfloat x = dot( v1, v2 );\n\n\tfloat y = abs( x );\n\n\t// rational polynomial approximation to theta / sin( theta ) / 2PI\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\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\n\treturn cross( v1, v2 ) * theta_sintheta;\n\n}\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\n\t// bail if point is on back side of plane of light\n\t// assumes ccw winding order of light vertices\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\n\t// construct orthonormal basis around N\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 ); // negated from paper; possibly due to a different handedness of world coordinate system\n\n\t// compute transform\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\n\t// transform rect\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\n\t// project rect onto sphere\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\n\t// calculate vector form factor\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\n\t// adjust for horizon clipping\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\n/*\n\t// alternate method of adjusting for horizon clipping (see referece)\n\t// refactoring required\n\tfloat len = length( vectorFormFactor );\n\tfloat z = vectorFormFactor.z / len;\n\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\n\t// tabulated horizon-clipped sphere, apparently...\n\tvec2 uv = vec2( z * 0.5 + 0.5, len );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\n\tfloat scale = texture2D( ltc_2, uv ).w;\n\n\tfloat result = len * scale;\n*/\n\n\treturn vec3( result );\n\n}\n\n// End Rect Area Light\n\n// ref: https://www.unrealengine.com/blog/physically-based-shading-on-mobile - environmentBRDF for GGX on mobile\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\n\treturn specularColor * brdf.x + brdf.y;\n\n} // validated\n\n// Fdez-Agüera\'s "Multiple-Scattering Microfacet Model for Real-Time Image Based Lighting"\n// Approximates multiscattering in order to preserve energy.\n// http://www.jcgt.org/published/0008/01/03/\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619; // 1/21\n\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n\n}\n\nfloat G_BlinnPhong_Implicit( /* const in float dotNL, const in float dotNV */ ) {\n\n\t// geometry term is (n dot l)(n dot v) / 4(n dot l)(n dot v)\n\treturn 0.25;\n\n}\n\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n\n}\n\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\n\t//float dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\t//float dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\n\tfloat G = G_BlinnPhong_Implicit( /* dotNL, dotNV */ );\n\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\n\treturn F * ( G * D );\n\n} // validated\n\n// source: http://simonstechblog.blogspot.ca/2011/12/microfacet-brdf.html\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\n\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n\n#if defined( USE_SHEEN )\n\n// https://github.com/google/filament/blob/master/shaders/src/brdf.fs#L94\nfloat D_Charlie(float roughness, float NoH) {\n\t// Estevez and Kulla 2017, "Production Friendly Microfacet Sheen BRDF"\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125); // 2^(-14/2), so sin2h^2 > 0 in fp16\n\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\n\n// https://github.com/google/filament/blob/master/shaders/src/brdf.fs#L136\nfloat V_Neubelt(float NoV, float NoL) {\n\t// Neubelt and Pettineo 2013, "Crafting a Next-gen Material Pipeline for The Order: 1886"\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\n\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n\n}\n\n#endif\n',bumpmap_pars_fragment:"\n#ifdef USE_BUMPMAP\n\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\n\t// Bump Mapping Unparametrized Surfaces on the GPU by Morten S. Mikkelsen\n\t// http://api.unrealengine.com/attachments/Engine/Rendering/LightingAndShadows/BumpMappingWithoutTangentSpace/mm_sfgrad_bump.pdf\n\n\t// Evaluate the derivative of the height w.r.t. screen-space using forward differencing (listing 2)\n\n\tvec2 dHdxy_fwd() {\n\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\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\n\t\treturn vec2( dBx, dBy );\n\n\t}\n\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\n\t\t// Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988\n\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;\t\t// normalized\n\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\n\t}\n\n#endif\n",clipping_planes_fragment:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvec4 plane;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\n\t\tbool clipped = true;\n\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\n\t\t}\n\t\t#pragma unroll_loop_end\n\n\t\tif ( clipped ) discard;\n\n\t#endif\n\n#endif\n",clipping_planes_pars_fragment:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvarying vec3 vClipPosition;\n\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n\n#endif\n",clipping_planes_pars_vertex:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvarying vec3 vClipPosition;\n\n#endif\n",clipping_planes_vertex:"\n#if NUM_CLIPPING_PLANES > 0\n\n\tvClipPosition = - mvPosition.xyz;\n\n#endif\n",color_fragment:"\n#ifdef USE_COLOR\n\n\tdiffuseColor.rgb *= vColor;\n\n#endif\n",color_pars_fragment:"\n#ifdef USE_COLOR\n\n\tvarying vec3 vColor;\n\n#endif\n",color_pars_vertex:"\n#ifdef USE_COLOR\n\n\tvarying vec3 vColor;\n\n#endif\n",color_vertex:"\n#ifdef USE_COLOR\n\n\tvColor.xyz = color.xyz;\n\n#endif\n",common:"\n#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI_HALF 1.5707963267949\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n\n#ifndef saturate\n// may have defined saturate() already\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\n\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 ) ); }\n// expects values in the range of [0,1]x[0,1], returns values in the [0,1] range.\n// do not collapse into a single function per: http://byteblacksmith.com/improvements-to-the-canonical-one-liner-glsl-rand-for-opengl-es-2-0/\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\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\n\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\n\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\n\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n}\n\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t// dir can be either a direction vector or a normal vector\n\t// upper-left 3x3 of matrix is assumed to be orthogonal\n\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n\n}\n\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\n\treturn - distance * planeNormal + point;\n\n}\n\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n\n}\n\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n\n}\n\nmat3 transposeMat3( const in mat3 m ) {\n\n\tmat3 tmp;\n\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\n\treturn tmp;\n\n}\n\n// https://en.wikipedia.org/wiki/Relative_luminance\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\n\treturn dot( weights, color.rgb );\n\n}\n\nbool isPerspectiveMatrix( mat4 m ) {\n\n return m[ 2 ][ 3 ] == - 1.0;\n\n}\n",cube_uv_reflection_fragment:"\n#ifdef ENVMAP_TYPE_CUBE_UV\n\n#define cubeUV_maxMipLevel 8.0\n#define cubeUV_minMipLevel 4.0\n#define cubeUV_maxTileSize 256.0\n#define cubeUV_minTileSize 16.0\n\n// These shader functions convert between the UV coordinates of a single face of\n// a cubemap, the 0-5 integer index of a cube face, and the direction vector for\n// sampling a textureCube (not generally normalized).\n\nfloat getFace(vec3 direction) {\n vec3 absDirection = abs(direction);\n float face = -1.0;\n if (absDirection.x > absDirection.z) {\n if (absDirection.x > absDirection.y)\n face = direction.x > 0.0 ? 0.0 : 3.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n } else {\n if (absDirection.z > absDirection.y)\n face = direction.z > 0.0 ? 2.0 : 5.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n }\n return face;\n}\n\nvec2 getUV(vec3 direction, float face) {\n vec2 uv;\n if (face == 0.0) {\n uv = vec2(-direction.z, direction.y) / abs(direction.x);\n } else if (face == 1.0) {\n uv = vec2(direction.x, -direction.z) / abs(direction.y);\n } else if (face == 2.0) {\n uv = direction.xy / abs(direction.z);\n } else if (face == 3.0) {\n uv = vec2(direction.z, direction.y) / abs(direction.x);\n } else if (face == 4.0) {\n uv = direction.xz / abs(direction.y);\n } else {\n uv = vec2(-direction.x, direction.y) / abs(direction.z);\n }\n return 0.5 * (uv + 1.0);\n}\n\nvec3 bilinearCubeUV(sampler2D envMap, vec3 direction, float mipInt) {\n float face = getFace(direction);\n float filterInt = max(cubeUV_minMipLevel - mipInt, 0.0);\n mipInt = max(mipInt, cubeUV_minMipLevel);\n float faceSize = exp2(mipInt);\n\n float texelSize = 1.0 / (3.0 * cubeUV_maxTileSize);\n\n vec2 uv = getUV(direction, face) * (faceSize - 1.0);\n vec2 f = fract(uv);\n uv += 0.5 - f;\n if (face > 2.0) {\n uv.y += faceSize;\n face -= 3.0;\n }\n uv.x += face * faceSize;\n if(mipInt < cubeUV_maxMipLevel){\n uv.y += 2.0 * cubeUV_maxTileSize;\n }\n uv.y += filterInt * 2.0 * cubeUV_minTileSize;\n uv.x += 3.0 * max(0.0, cubeUV_maxTileSize - 2.0 * faceSize);\n uv *= texelSize;\n\n vec3 tl = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.x += texelSize;\n vec3 tr = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.y += texelSize;\n vec3 br = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.x -= texelSize;\n vec3 bl = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n vec3 tm = mix(tl, tr, f.x);\n vec3 bm = mix(bl, br, f.x);\n return mix(tm, bm, f.y);\n}\n\n// These defines must match with PMREMGenerator\n\n#define r0 1.0\n#define v0 0.339\n#define m0 -2.0\n#define r1 0.8\n#define v1 0.276\n#define m1 -1.0\n#define r4 0.4\n#define v4 0.046\n#define m4 2.0\n#define r5 0.305\n#define v5 0.016\n#define m5 3.0\n#define r6 0.21\n#define v6 0.0038\n#define m6 4.0\n\nfloat roughnessToMip(float roughness) {\n float mip = 0.0;\n if (roughness >= r1) {\n mip = (r0 - roughness) * (m1 - m0) / (r0 - r1) + m0;\n } else if (roughness >= r4) {\n mip = (r1 - roughness) * (m4 - m1) / (r1 - r4) + m1;\n } else if (roughness >= r5) {\n mip = (r4 - roughness) * (m5 - m4) / (r4 - r5) + m4;\n } else if (roughness >= r6) {\n mip = (r5 - roughness) * (m6 - m5) / (r5 - r6) + m5;\n } else {\n mip = -2.0 * log2(1.16 * roughness);// 1.16 = 1.79^0.25\n }\n return mip;\n}\n\nvec4 textureCubeUV(sampler2D envMap, vec3 sampleDir, float roughness) {\n float mip = clamp(roughnessToMip(roughness), m0, cubeUV_maxMipLevel);\n float mipF = fract(mip);\n float mipInt = floor(mip);\n\n vec3 color0 = bilinearCubeUV(envMap, sampleDir, mipInt);\n if (mipF == 0.0) {\n return vec4(color0, 1.0);\n } else {\n vec3 color1 = bilinearCubeUV(envMap, sampleDir, mipInt + 1.0);\n return vec4(mix(color0, color1, mipF), 1.0);\n }\n}\n#endif\n",defaultnormal_vertex:"\nvec3 transformedNormal = objectNormal;\n\n#ifdef USE_INSTANCING\n\n\t// this is in lieu of a per-instance normal-matrix\n\t// shear transforms in the instance matrix are not supported\n\n\tmat3 m = mat3( instanceMatrix );\n\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\n\ttransformedNormal = m * transformedNormal;\n\n#endif\n\ntransformedNormal = normalMatrix * transformedNormal;\n\n#ifdef FLIP_SIDED\n\n\ttransformedNormal = - transformedNormal;\n\n#endif\n\n#ifdef USE_TANGENT\n\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\n\t#ifdef FLIP_SIDED\n\n\t\ttransformedTangent = - transformedTangent;\n\n\t#endif\n\n#endif\n",displacementmap_pars_vertex:"\n#ifdef USE_DISPLACEMENTMAP\n\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n\n#endif\n",displacementmap_vertex:"\n#ifdef USE_DISPLACEMENTMAP\n\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n\n#endif\n",emissivemap_fragment:"\n#ifdef USE_EMISSIVEMAP\n\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n\n#endif\n",emissivemap_pars_fragment:"\n#ifdef USE_EMISSIVEMAP\n\n\tuniform sampler2D emissiveMap;\n\n#endif\n",encodings_fragment:"\ngl_FragColor = linearToOutputTexel( gl_FragColor );\n",encodings_pars_fragment:"\n// For a discussion of what this is, please read this: http://lousodrome.net/blog/light/2013/05/26/gamma-correct-and-hdr-rendering-in-a-32-bits-buffer/\n\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\n\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\n\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\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}\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}\n\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\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// return vec4( value.brg, ( 3.0 + 128.0 ) / 256.0 );\n}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\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}\n\n// reference: http://iwasbeingirony.blogspot.ca/2010/06/difference-between-rgbm-and-rgbd.html\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\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\t// NOTE: The implementation with min causes the shader to not compile on\n\t// a common Alcatel A502DL in Chrome 78/Android 8.1. Some research suggests \n\t// that the chipset is Mediatek MT6739 w/ IMG PowerVR GE8100 GPU.\n\t// D = min( floor( D ) / 255.0, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\n\n// LogLuv reference: http://graphicrants.blogspot.ca/2009/04/rgbm-color-encoding.html\n\n// M matrix, for encoding\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}\n\n// Inverse M matrix, for decoding\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}\n",envmap_fragment:"\n#ifdef USE_ENVMAP\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvec3 cameraToFrag;\n\t\t\n\t\tif ( isOrthographic ) {\n\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\n\t\t} else {\n\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\n\t\t}\n\n\t\t// Transforming Normal Vectors with the Inverse Transformation\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\n\t\t#else\n\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#else\n\n\t\tvec3 reflectVec = vReflect;\n\n\t#endif\n\n\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\n\t\tvec2 sampleUV;\n\n\t\treflectVec = normalize( reflectVec );\n\n\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\n\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\n\t\treflectVec = normalize( reflectVec );\n\n\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\n\t#else\n\n\t\tvec4 envColor = vec4( 0.0 );\n\n\t#endif\n\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\n\t\tenvColor = envMapTexelToLinear( envColor );\n\n\t#endif\n\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\n\t#endif\n\n#endif\n",envmap_common_pars_fragment:"\n#ifdef USE_ENVMAP\n\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\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\n",envmap_pars_fragment:"\n#ifdef USE_ENVMAP\n\n\tuniform float reflectivity;\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\n\t\t#define ENV_WORLDPOS\n\n\t#endif\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n\n#endif\n",envmap_pars_vertex:"\n#ifdef USE_ENVMAP\n\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\n\t\t#define ENV_WORLDPOS\n\n\t#endif\n\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\n\t#else\n\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\n\t#endif\n\n#endif\n",envmap_physical_pars_fragment:"\n#if defined( USE_ENVMAP )\n\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\n\tvec3 getLightProbeIndirectIrradiance( /*const in SpecularLightProbe specularLightProbe,*/ const in GeometricContext geometry, const in int maxMIPLevel ) {\n\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\n\t\t\t// TODO: replace with properly filtered cubemaps and access the irradiance LOD level, be it the last LOD level\n\t\t\t// of a specular cubemap, or just the default level of a specially created irradiance cubemap.\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\n\t\t\t#else\n\n\t\t\t\t// force the bias high to get the last LOD level as it is the most blurred.\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\n\t\t#else\n\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\n\t\t#endif\n\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\n\t}\n\n\t// Trowbridge-Reitz distribution to Mip level, following the logic of http://casual-effects.blogspot.ca/2011/08/plausible-environment-lighting-in-two.html\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\n\t\t// clamp to allowable LOD ranges.\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\n\t}\n\n\tvec3 getLightProbeIndirectRadiance( /*const in SpecularLightProbe specularLightProbe,*/ const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t vec3 reflectVec = reflect( -viewDir, normal );\n\n\t\t // Mixing the reflection with the normal is more accurate and keeps rough objects from gathering light from behind their tangent plane.\n\t\t reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\n\t\t#else\n\n\t\t vec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\n\t\t#endif\n\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\n\t\t\t#else\n\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = asin( clamp( reflectVec.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\t\t\tsampleUV.x = atan( reflectVec.z, reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\n\t\t\t#else\n\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\n\t\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\n\t\t\t#else\n\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\n\t\t\t#endif\n\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\n\t\t#endif\n\n\t\treturn envMapColor.rgb * envMapIntensity;\n\n\t}\n\n#endif\n",envmap_vertex:"\n#ifdef USE_ENVMAP\n\n\t#ifdef ENV_WORLDPOS\n\n\t\tvWorldPosition = worldPosition.xyz;\n\n\t#else\n\n\t\tvec3 cameraToVertex;\n\n\t\tif ( isOrthographic ) { \n\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\n\t\t} else {\n\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\n\t\t}\n\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\n\t\t#else\n\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\n\t\t#endif\n\n\t#endif\n\n#endif\n",fog_vertex:"\n#ifdef USE_FOG\n\n\tfogDepth = -mvPosition.z;\n\n#endif\n",fog_pars_vertex:"\n#ifdef USE_FOG\n\n\tvarying float fogDepth;\n\n#endif\n",fog_fragment:"\n#ifdef USE_FOG\n\n\t#ifdef FOG_EXP2\n\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\n\t#else\n\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\n\t#endif\n\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n\n#endif\n",fog_pars_fragment:"\n#ifdef USE_FOG\n\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\n\t#ifdef FOG_EXP2\n\n\t\tuniform float fogDensity;\n\n\t#else\n\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\n\t#endif\n\n#endif\n",gradientmap_pars_fragment:"\n\n#ifdef USE_GRADIENTMAP\n\n\tuniform sampler2D gradientMap;\n\n#endif\n\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\n\t// dotNL will be from -1.0 to 1.0\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\n\t#ifdef USE_GRADIENTMAP\n\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\n\t#else\n\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\n\t#endif\n\n}\n\n",lightmap_fragment:"\n#ifdef USE_LIGHTMAP\n\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity; // factor of PI should not be present; included here to prevent breakage\n\n#endif\n",lightmap_pars_fragment:"\n#ifdef USE_LIGHTMAP\n\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n\n#endif\n",lights_lambert_vertex:"\nvec3 diffuse = vec3( 1.0 );\n\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\n\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\n\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\n\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n\n#if NUM_POINT_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if NUM_SPOT_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n/*\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\n\t\t// TODO (abelnation): implement\n\n\t}\n\n#endif\n*/\n\n#if NUM_DIR_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if NUM_HEMI_LIGHTS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\n\t\t#ifdef DOUBLE_SIDED\n\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\n\t\t#endif\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n",lights_pars_begin:"\nuniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\n\n// get the irradiance (radiance convolved with cosine lobe) at the point 'normal' on the unit sphere\n// source: https://graphics.stanford.edu/papers/envmap/envmap.pdf\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\n\t// normal is assumed to have unit length\n\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\n\t// band 0\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\n\t// band 1\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\n\t// band 2\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\n\treturn result;\n\n}\n\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\n\treturn irradiance;\n\n}\n\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\n\tvec3 irradiance = ambientLightColor;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI;\n\n\t#endif\n\n\treturn irradiance;\n\n}\n\n#if NUM_DIR_LIGHTS > 0\n\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n\n\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\n\t}\n\n#endif\n\n\n#if NUM_POINT_LIGHTS > 0\n\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t// directLight is an out parameter as having it as a return value caused compiler errors on some devices\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\n\t\tfloat lightDistance = length( lVector );\n\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\n\t}\n\n#endif\n\n\n#if NUM_SPOT_LIGHTS > 0\n\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\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t// directLight is an out parameter as having it as a return value caused compiler errors on some devices\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\n\t\tif ( angleCos > spotLight.coneCos ) {\n\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\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\n\t\t} else {\n\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\n\t\t}\n\t}\n\n#endif\n\n\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\n\t// Pre-computed values of LinearTransformedCosine approximation of BRDF\n\t// BRDF approximation Texture is 64x64\n\tuniform sampler2D ltc_1; // RGBA Float\n\tuniform sampler2D ltc_2; // RGBA Float\n\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n\n#endif\n\n\n#if NUM_HEMI_LIGHTS > 0\n\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tirradiance *= PI;\n\n\t\t#endif\n\n\t\treturn irradiance;\n\n\t}\n\n#endif\n",lights_toon_fragment:"\nToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n",lights_toon_pars_fragment:"\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n\nstruct ToonMaterial {\n\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n\n};\n\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n\n}\n\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n\n#define Material_LightProbeLOD( material )\t(0)\n",lights_phong_fragment:"\nBlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n",lights_phong_pars_fragment:"\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n\nstruct BlinnPhongMaterial {\n\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n\n};\n\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n\n}\n\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\n\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n\n#define Material_LightProbeLOD( material )\t(0)\n",lights_physical_fragment:"\nPhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\n\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\n\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );// 0.0525 corresponds to the base mip of a 256 cubemap.\nmaterial.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n\n#ifdef REFLECTIVITY\n\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n\n#else\n\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n\n#endif\n\n#ifdef CLEARCOAT\n\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\n\t#ifdef USE_CLEARCOATMAP\n\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\n\t#endif\n\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\n\t#endif\n\n\tmaterial.clearcoat = saturate( material.clearcoat ); // Burley clearcoat model\n\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n\n#endif\n\n#ifdef USE_SHEEN\n\n\tmaterial.sheenColor = sheen;\n\n#endif\n",lights_physical_pars_fragment:"\nstruct PhysicalMaterial {\n\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n\n};\n\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\n\n// Clear coat directional hemishperical reflectance (this approximation should be improved)\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n\n}\n\n#if NUM_RECT_AREA_LIGHTS > 0\n\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\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\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight; // counterclockwise; light shines in local neg z direction\n\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\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\n\t\t// LTC Fresnel Approximation by Stephen Hill\n\t\t// http://blog.selfshadow.com/publications/s2016-advances/s2016_ltc_fresnel.pdf\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\n\t}\n\n#endif\n\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\n\tvec3 irradiance = dotNL * directLight.color;\n\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\tirradiance *= PI; // punctual light\n\n\t#endif\n\n\t#ifdef CLEARCOAT\n\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tccIrradiance *= PI; // punctual light\n\n\t\t#endif\n\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\n\t#else\n\n\t\tfloat clearcoatDHR = 0.0;\n\n\t#endif\n\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\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\n}\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\n\t#ifdef CLEARCOAT\n\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\n\t#else\n\n\t\tfloat clearcoatDHR = 0.0;\n\n\t#endif\n\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\n\t// Both indirect specular and indirect diffuse light accumulate here\n\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n\n}\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\n\n// ref: https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n\n}\n",lights_fragment_begin:"\n/**\n * This is a template that can be used to light a material, it uses pluggable\n * RenderEquations (RE)for specific lighting scenarios.\n *\n * Instructions for use:\n * - Ensure that both RE_Direct, RE_IndirectDiffuse and RE_IndirectSpecular are defined\n * - If you have defined an RE_IndirectSpecular, you need to also provide a Material_LightProbeLOD. <---- ???\n * - Create a material parameter that is to be passed as the third parameter to your lighting functions.\n *\n * TODO:\n * - Add area light support.\n * - Add sphere light support.\n * - Add diffuse light probe (irradiance cubemap) support.\n */\n\nGeometricContext geometry;\n\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n\n#ifdef CLEARCOAT\n\n\tgeometry.clearcoatNormal = clearcoatNormal;\n\n#endif\n\nIncidentLight directLight;\n\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\n\t\tpointLight = pointLights[ i ];\n\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\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\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\n\t\tspotLight = spotLights[ i ];\n\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\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\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\n\t\tdirectionalLight = directionalLights[ i ];\n\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\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\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\n\tRectAreaLight rectAreaLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\n\t}\n\t#pragma unroll_loop_end\n\n#endif\n\n#if defined( RE_IndirectDiffuse )\n\n\tvec3 iblIrradiance = vec3( 0.0 );\n\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\n\t\t}\n\t\t#pragma unroll_loop_end\n\n\t#endif\n\n#endif\n\n#if defined( RE_IndirectSpecular )\n\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n\n#endif\n",lights_fragment_maps:"\n#if defined( RE_IndirectDiffuse )\n\n\t#ifdef USE_LIGHTMAP\n\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\n\t\t\tlightMapIrradiance *= PI; // factor of PI should not be present; included here to prevent breakage\n\n\t\t#endif\n\n\t\tirradiance += lightMapIrradiance;\n\n\t#endif\n\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( /*lightProbe,*/ geometry, maxMipLevel );\n\n\t#endif\n\n#endif\n\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\n\tradiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\n\t#ifdef CLEARCOAT\n\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\n\t#endif\n\n#endif\n",lights_fragment_end:"\n#if defined( RE_IndirectDiffuse )\n\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n\n#endif\n\n#if defined( RE_IndirectSpecular )\n\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n\n#endif\n",logdepthbuf_fragment:"\n#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\n\t// Doing a strict comparison with == 1.0 can cause noise artifacts\n\t// on some platforms. See issue #17623.\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n\n#endif\n",logdepthbuf_pars_fragment:"\n#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n\n#endif\n",logdepthbuf_pars_vertex:"\n#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\n\t#else\n\n\t\tuniform float logDepthBufFC;\n\n\t#endif\n\n#endif\n",logdepthbuf_vertex:"\n#ifdef USE_LOGDEPTHBUF\n\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\n\t#else\n\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\n\t\t\tgl_Position.z *= gl_Position.w;\n\n\t\t}\n\n\t#endif\n\n#endif\n",map_fragment:"\n#ifdef USE_MAP\n\n\tvec4 texelColor = texture2D( map, vUv );\n\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n\n#endif\n",map_fragment_1:"\n#ifdef USE_MAP\n\n\tvec4 texelColor = texture2D( map, vUv );\n\n\ttexelColor = mapTexelToLinear( texelColor );\n\t\n\tif(mapMixColor){\n\t diffuseColor = texelColor*texelColor.a + diffuseColor*(1.0-texelColor.a);\n\t}else {\n\t diffuseColor *= texelColor;\n\t}\n\n#endif\n",map_pars_fragment:"\n#ifdef USE_MAP\n\n\tuniform sampler2D map;\n\n#endif\n",map_particle_fragment:"\n#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\n#endif\n\n#ifdef USE_MAP\n\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n\n#endif\n\n#ifdef USE_ALPHAMAP\n\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n\n#endif\n",map_particle_pars_fragment:"\n#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\n\tuniform mat3 uvTransform;\n\n#endif\n\n#ifdef USE_MAP\n\n\tuniform sampler2D map;\n\n#endif\n\n#ifdef USE_ALPHAMAP\n\n\tuniform sampler2D alphaMap;\n\n#endif\n",metalnessmap_fragment:"\nfloat metalnessFactor = metalness;\n\n#ifdef USE_METALNESSMAP\n\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\n\t// reads channel B, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\tmetalnessFactor *= texelMetalness.b;\n\n#endif\n",metalnessmap_pars_fragment:"\n#ifdef USE_METALNESSMAP\n\n\tuniform sampler2D metalnessMap;\n\n#endif\n",morphnormal_vertex:"\n#ifdef USE_MORPHNORMALS\n\n\t// morphTargetBaseInfluence is set based on BufferGeometry.morphTargetsRelative value:\n\t// When morphTargetsRelative is false, this is set to 1 - sum(influences); this results in normal = sum((target - base) * influence)\n\t// When morphTargetsRelative is true, this is set to 1; as a result, all morph targets are simply added to the base after weighting\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\n#endif\n",morphtarget_pars_vertex:"\n#ifdef USE_MORPHTARGETS\n\n\tuniform float morphTargetBaseInfluence;\n\n\t#ifndef USE_MORPHNORMALS\n\n\tuniform float morphTargetInfluences[ 8 ];\n\n\t#else\n\n\tuniform float morphTargetInfluences[ 4 ];\n\n\t#endif\n\n#endif\n",morphtarget_vertex:"\n#ifdef USE_MORPHTARGETS\n\n\t// morphTargetBaseInfluence is set based on BufferGeometry.morphTargetsRelative value:\n\t// When morphTargetsRelative is false, this is set to 1 - sum(influences); this results in position = sum((target - base) * influence)\n\t// When morphTargetsRelative is true, this is set to 1; as a result, all morph targets are simply added to the base after weighting\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\n\t#ifndef USE_MORPHNORMALS\n\n\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\n\t#endif\n\n#endif\n",normal_fragment_begin:"\n#ifdef FLAT_SHADED\n\n\t// Workaround for Adreno/Nexus5 not able able to do dFdx( vViewPosition ) ...\n\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\n#else\n\n\tvec3 normal = normalize( vNormal );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\n\t#endif\n\n\t#ifdef USE_TANGENT\n\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\n\t\t#ifdef DOUBLE_SIDED\n\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\n\t\t#endif\n\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\n\t\t#endif\n\n\t#endif\n\n#endif\n\n// non perturbed normal for clearcoat among others\n\nvec3 geometryNormal = normal;\n\n",normal_fragment_maps:"\n\n#ifdef OBJECTSPACE_NORMALMAP\n\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0; // overrides both flatShading and attribute normals\n\n\t#ifdef FLIP_SIDED\n\n\t\tnormal = - normal;\n\n\t#endif\n\n\t#ifdef DOUBLE_SIDED\n\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\n\t#endif\n\n\tnormal = normalize( normalMatrix * normal );\n\n#elif defined( TANGENTSPACE_NORMALMAP )\n\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\n\t#ifdef USE_TANGENT\n\n\t\tnormal = normalize( vTBN * mapN );\n\n\t#else\n\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN );\n\n\t#endif\n\n#elif defined( USE_BUMPMAP )\n\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n\n#endif\n",normalmap_pars_fragment:"\n#ifdef USE_NORMALMAP\n\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n\n#endif\n\n#ifdef OBJECTSPACE_NORMALMAP\n\n\tuniform mat3 normalMatrix;\n\n#endif\n\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\n\t// Per-Pixel Tangent Space Normal Mapping\n\t// http://hacksoflife.blogspot.ch/2009/11/per-pixel-tangent-space-normal-mapping.html\n\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN ) {\n\n\t\t// Workaround for Adreno 3XX dFd*( vec3 ) bug. See #9988\n\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\n\t\tfloat scale = sign( st1.t * st0.s - st0.t * st1.s ); // we do not care about the magnitude\n\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\n\t\tmat3 tsn = mat3( S, T, N );\n\n\t\tmapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\n\t\treturn normalize( tsn * mapN );\n\n\t}\n\n#endif\n",clearcoat_normal_fragment_begin:"\n#ifdef CLEARCOAT\n\n\tvec3 clearcoatNormal = geometryNormal;\n\n#endif\n",clearcoat_normal_fragment_maps:"\n#ifdef USE_CLEARCOAT_NORMALMAP\n\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\n\t#ifdef USE_TANGENT\n\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\n\t#else\n\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN );\n\n\t#endif\n\n#endif\n",clearcoat_pars_fragment:"\n\n#ifdef USE_CLEARCOATMAP\n\n\tuniform sampler2D clearcoatMap;\n\n#endif\n\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\n\tuniform sampler2D clearcoatRoughnessMap;\n\n#endif\n\n#ifdef USE_CLEARCOAT_NORMALMAP\n\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n\n#endif\n",packing:"\nvec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\n\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\n\nconst float PackUpscale = 256. / 255.; // fraction -> 0..1 (including 1)\nconst float UnpackDownscale = 255. / 256.; // 0..1 -> fraction (excluding 1)\n\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\n\nconst float ShiftRight8 = 1. / 256.;\n\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8; // tidy overflow\n\treturn r * PackUpscale;\n}\n\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\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}\n\n// NOTE: viewZ/eyeZ is < 0 when in front of the camera per OpenGL conventions\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}\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}\n",premultiplied_alpha_fragment:"\n#ifdef PREMULTIPLIED_ALPHA\n\n\t// Get get normal blending with premultipled, use with CustomBlending, OneFactor, OneMinusSrcAlphaFactor, AddEquation.\n\tgl_FragColor.rgb *= gl_FragColor.a;\n\n#endif\n",project_vertex:"\nvec4 mvPosition = vec4( transformed, 1.0 );\n\n#ifdef USE_INSTANCING\n\n\tmvPosition = instanceMatrix * mvPosition;\n\n#endif\n\nmvPosition = modelViewMatrix * mvPosition;\n\ngl_Position = projectionMatrix * mvPosition;\n",dithering_fragment:"\n#ifdef DITHERING\n\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n\n#endif\n",dithering_pars_fragment:"\n#ifdef DITHERING\n\n\t// based on https://www.shadertoy.com/view/MslGR8\n\tvec3 dithering( vec3 color ) {\n\t\t//Calculate grid position\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\n\t\t//Shift the individual colors differently, thus making it even harder to see the dithering pattern\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\n\t\t//modify shift acording to grid position.\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\n\t\t//shift the color by dither_shift\n\t\treturn color + dither_shift_RGB;\n\t}\n\n#endif\n",roughnessmap_fragment:"\nfloat roughnessFactor = roughness;\n\n#ifdef USE_ROUGHNESSMAP\n\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\n\t// reads channel G, compatible with a combined OcclusionRoughnessMetallic (RGB) texture\n\troughnessFactor *= texelRoughness.g;\n\n#endif\n",roughnessmap_pars_fragment:"\n#ifdef USE_ROUGHNESSMAP\n\n\tuniform sampler2D roughnessMap;\n\n#endif\n",shadowmap_pars_fragment:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): create uniforms for area light shadows\n\n\t#endif\n\t*/\n\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\n\t}\n\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\n\t}\n\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\n\t\tfloat occlusion = 1.0;\n\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\n\t\tfloat hard_shadow = step( compare , distribution.x ); // Hard Shadow\n\n\t\tif (hard_shadow != 1.0 ) {\n\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 ); // Chebeyshevs inequality\n\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 ); // 0.3 reduces light bleed\n\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\n\t\t}\n\t\treturn occlusion;\n\n\t}\n\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\n\t\tfloat shadow = 1.0;\n\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\n\t\t// if ( something && something ) breaks ATI OpenGL shader compiler\n\t\t// if ( all( something, something ) ) using this instead\n\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\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\n\t\tbool frustumTest = all( frustumTestVec );\n\n\t\tif ( frustumTest ) {\n\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\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\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\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\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\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\n\t\t#else // no percentage-closer filtering:\n\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\n\t\t#endif\n\n\t\t}\n\n\t\treturn shadow;\n\n\t}\n\n\t// cubeToUV() maps a 3D direction vector suitable for cube texture mapping to a 2D\n\t// vector suitable for 2D texture mapping. This code uses the following layout for the\n\t// 2D texture:\n\t//\n\t// xzXZ\n\t// y Y\n\t//\n\t// Y - Positive y direction\n\t// y - Negative y direction\n\t// X - Positive x direction\n\t// x - Negative x direction\n\t// Z - Positive z direction\n\t// z - Negative z direction\n\t//\n\t// Source and test bed:\n\t// https://gist.github.com/tschw/da10c43c467ce8afd0c4\n\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\n\t\t// Number of texels to avoid at the edge of each square\n\n\t\tvec3 absV = abs( v );\n\n\t\t// Intersect unit cube\n\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\n\t\t// Apply scale to avoid seams\n\n\t\t// two texels less per square (one texel will do for NEAREST)\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\n\t\t// Unwrap\n\n\t\t// space: -1 ... 1 range for each square\n\t\t//\n\t\t// #X##\t\tdim := ( 4 , 2 )\n\t\t// # #\t\tcenter := ( 1 , 1 )\n\n\t\tvec2 planar = v.xy;\n\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\n\t\tif ( absV.z >= almostOne ) {\n\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\n\t\t} else if ( absV.x >= almostOne ) {\n\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\n\t\t} else if ( absV.y >= almostOne ) {\n\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\n\t\t}\n\n\t\t// Transform to UV space\n\n\t\t// scale := 0.5 / dim\n\t\t// translate := ( center + 0.5 ) / dim\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\n\t}\n\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\n\t\t// for point lights, the uniform @vShadowCoord is re-purposed to hold\n\t\t// the vector from the light to the world-space position of the fragment.\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\n\t\t// dp = normalized distance from light to fragment position\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); // need to clamp?\n\t\tdp += shadowBias;\n\n\t\t// bd3D = base direction 3D\n\t\tvec3 bd3D = normalize( lightToPosition );\n\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\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\n\t\t#else // no percentage-closer filtering\n\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\n\t\t#endif\n\n\t}\n\n#endif\n",shadowmap_pars_vertex:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): uniforms for area light shadows\n\n\t#endif\n\t*/\n\n#endif\n",shadowmap_vertex:"\n#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): update vAreaShadowCoord with area light info\n\n\t#endif\n\t*/\n\n#endif\n",shadowmask_pars_fragment:"\nfloat getShadowMask() {\n\n\tfloat shadow = 1.0;\n\n\t#ifdef USE_SHADOWMAP\n\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\n\tDirectionalLightShadow directionalLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\n\tSpotLightShadow spotLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\n\tPointLightShadow pointLight;\n\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\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\n\t}\n\t#pragma unroll_loop_end\n\n\t#endif\n\n\t/*\n\t#if NUM_RECT_AREA_LIGHTS > 0\n\n\t\t// TODO (abelnation): update shadow for Area light\n\n\t#endif\n\t*/\n\n\t#endif\n\n\treturn shadow;\n\n}\n",skinbase_vertex:"\n#ifdef USE_SKINNING\n\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\n#endif\n",skinning_pars_vertex:"\n#ifdef USE_SKINNING\n\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\n\t#ifdef BONE_TEXTURE\n\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\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\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\n\t\t\ty = dy * ( y + 0.5 );\n\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\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\n\t\t\treturn bone;\n\n\t\t}\n\n\t#else\n\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\n\t\tmat4 getBoneMatrix( const in float i ) {\n\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\n\t\t}\n\n\t#endif\n\n#endif\n",skinning_vertex:"\n#ifdef USE_SKINNING\n\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\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\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n\n#endif\n",skinnormal_vertex:"\n#ifdef USE_SKINNING\n\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\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\n\t#ifdef USE_TANGENT\n\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\n\t#endif\n\n#endif\n",specularmap_fragment:"\nfloat specularStrength;\n\n#ifdef USE_SPECULARMAP\n\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n\n#else\n\n\tspecularStrength = 1.0;\n\n#endif\n",specularmap_pars_fragment:"\n#ifdef USE_SPECULARMAP\n\n\tuniform sampler2D specularMap;\n\n#endif\n",tonemapping_fragment:"\n#if defined( TONE_MAPPING )\n\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n\n#endif\n",tonemapping_pars_fragment:"\n#ifndef saturate\n// may have defined saturate() already\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\n\n// exposure only\nvec3 LinearToneMapping( vec3 color ) {\n\n\treturn toneMappingExposure * color;\n\n}\n\n// source: https://www.cs.utah.edu/~reinhard/cdrom/\nvec3 ReinhardToneMapping( vec3 color ) {\n\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n\n}\n\n// source: http://filmicgames.com/archives/75\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n\n\t// John Hable's filmic operator from Uncharted 2 video game\n\tcolor *= toneMappingExposure;\n\treturn saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n\n}\n\n// source: http://filmicgames.com/archives/75\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\n\t// optimized filmic operator by Jim Hejl and Richard Burgess-Dawson\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\n}\n\n// source: https://knarkowicz.wordpress.com/2016/01/06/aces-filmic-tone-mapping-curve/\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\n\tcolor *= toneMappingExposure;\n\treturn saturate( ( color * ( 2.51 * color + 0.03 ) ) / ( color * ( 2.43 * color + 0.59 ) + 0.14 ) );\n\n}\n",uv_pars_fragment:"\n#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\n\tvarying vec2 vUv;\n\n#endif\n",uv_pars_vertex:"\n#ifdef USE_UV\n\n\t#ifdef UVS_VERTEX_ONLY\n\n\t\tvec2 vUv;\n\n\t#else\n\n\t\tvarying vec2 vUv;\n\n\t#endif\n\n\tuniform mat3 uvTransform;\n\n#endif\n",uv_vertex:"\n#ifdef USE_UV\n\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\n#endif\n",uv2_pars_fragment:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvarying vec2 vUv2;\n\n#endif\n",uv2_pars_vertex:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\n\tuniform mat3 uv2Transform;\n\n#endif\n",uv2_vertex:"\n#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n\n#endif\n",worldpos_vertex:"\n#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\n\t#ifdef USE_INSTANCING\n\n\t\tworldPosition = instanceMatrix * worldPosition;\n\n\t#endif\n\n\tworldPosition = modelMatrix * worldPosition;\n\n#endif\n",background_frag:"\nuniform sampler2D t2D;\n\nvarying vec2 vUv;\n\nvoid main() {\n\n\tvec4 texColor = texture2D( t2D, vUv );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\n\t#include \n\t#include \n\n}\n",background_vert:"\nvarying vec2 vUv;\nuniform mat3 uvTransform;\n\nvoid main() {\n\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n\n}\n",cube_frag:"\n\n#include \nuniform float opacity;\n\nvarying vec3 vWorldDirection;\n\n#include \n\nvoid main() {\n\n\tvec3 vReflect = vWorldDirection;\n\t#include \n\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\n\t#include \n\t#include \n\n}\n",cube_vert:"\nvarying vec3 vWorldDirection;\n\n#include \n\nvoid main() {\n\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t#include \n\t#include \n\n\tgl_Position.z = gl_Position.w; // set z to camera.far\n\n}\n",depth_frag:"\n#if DEPTH_PACKING == 3200\n\n\tuniform float opacity;\n\n#endif\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nvarying vec2 vHighPrecisionZW;\n\nvoid main() {\n\n\t#include \n\n\tvec4 diffuseColor = vec4( 1.0 );\n\n\t#if DEPTH_PACKING == 3200\n\n\t\tdiffuseColor.a = opacity;\n\n\t#endif\n\n\t#include \n\t#include \n\t#include \n\n\t#include \n\n\t// Higher precision equivalent of gl_FragCoord.z. This assumes depthRange has been left to its default values.\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\n\t#if DEPTH_PACKING == 3200\n\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\n\t#elif DEPTH_PACKING == 3201\n\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\n\t#endif\n\n}\n",depth_vert:"\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\n// This is used for computing an equivalent of gl_FragCoord.z that is as high precision as possible.\n// Some platforms compute gl_FragCoord at a lower precision which makes the manually computed value better for\n// depth-based postprocessing effects. Reproduced on iPad with A10 processor / iPadOS 13.3.1.\nvarying vec2 vHighPrecisionZW;\n\nvoid main() {\n\n\t#include \n\n\t#include \n\n\t#ifdef USE_DISPLACEMENTMAP\n\n\t\t#include \n\t\t#include \n\t\t#include \n\n\t#endif\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\tvHighPrecisionZW = gl_Position.zw;\n\n}\n",distanceRGBA_frag:"\n#define DISTANCE\n\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n\n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main () {\n\n\t#include \n\n\tvec4 diffuseColor = vec4( 1.0 );\n\n\t#include \n\t#include \n\t#include \n\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist ); // clamp to [ 0, 1 ]\n\n\tgl_FragColor = packDepthToRGBA( dist );\n\n}\n",distanceRGBA_vert:"\n#define DISTANCE\n\nvarying vec3 vWorldPosition;\n\n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\n\t#include \n\n\t#ifdef USE_DISPLACEMENTMAP\n\n\t\t#include \n\t\t#include \n\t\t#include \n\n\t#endif\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\tvWorldPosition = worldPosition.xyz;\n\n}\n",equirect_frag:"\nuniform sampler2D tEquirect;\n\nvarying vec3 vWorldDirection;\n\n#include \n\nvoid main() {\n\n\tvec3 direction = normalize( vWorldDirection );\n\n\tvec2 sampleUV;\n\n\tsampleUV.y = asin( clamp( direction.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\n\tsampleUV.x = atan( direction.z, direction.x ) * RECIPROCAL_PI2 + 0.5;\n\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\n\tgl_FragColor = mapTexelToLinear( texColor );\n\n\t#include \n\t#include \n\n}\n",equirect_vert:"\nvarying vec3 vWorldDirection;\n\n#include \n\nvoid main() {\n\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t#include \n\t#include \n\n}\n",linedashed_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\nuniform float dashSize;\nuniform float totalSize;\n\nvarying float vLineDistance;\n\n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\n\t\tdiscard;\n\n\t}\n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include \n\t#include \n\n\toutgoingLight = diffuseColor.rgb; // simple shader\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",linedashed_vert:"\nuniform float scale;\nattribute float lineDistance;\n\nvarying float vLineDistance;\n\n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\tvLineDistance = scale * lineDistance;\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",meshbasic_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\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\nvoid main() {\n\n\t#include \n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\n\t// accumulation (baked indirect lighting only)\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\n\t#else\n\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\n\t#endif\n\n\t// modulation\n\t#include \n\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\n\t#include \n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",meshbasic_vert:"\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n\t#ifdef USE_ENVMAP\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n\t#endif\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",meshlambert_frag:"\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n\n\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\nvoid main() {\n\n\t#include \n\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\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\t// accumulation\n\treflectedLight.indirectDiffuse = getAmbientLightIrradiance( ambientLightColor );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\n\t#else\n\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\n\t#endif\n\n\t#include \n\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\n\t#ifdef DOUBLE_SIDED\n\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\n\t#else\n\n\t\treflectedLight.directDiffuse = vLightFront;\n\n\t#endif\n\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\n\t// modulation\n\t#include \n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\n\t#include \n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n",meshlambert_vert:"\n#define LAMBERT\n\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n\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\nvoid main() {\n\n\t#include \n\t#include \n\t#include \n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}\n",meshmatcap_frag:"\n#define MATCAP\n\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include \n#include \n#include \n#include \n#include \n\n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\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; // 0.495 to remove artifacts caused by undersized matcap disks\n\n\t#ifdef USE_MATCAP\n\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\n\t#else\n\n\t\tvec4 matcapColor = vec4( 1.0 );\n\n\t#endif\n\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",meshmatcap_vert:"\n#define MATCAP\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\n#include \n#include \n\nvoid main() {\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\t#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\t\tvNormal = normalize( transformedNormal );\n\n\t#endif\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\t#include \n\t#include \n\t#include \n\n\tvViewPosition = - mvPosition.xyz;\n\n}\n",meshtoon_frag:"\n#define TOON\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n\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\nvoid main() {\n\n\t#include \n\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\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\n\t// accumulation\n\t#include \n\t#include \n\t#include \n\t#include \n\n\t// modulation\n\t#include \n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",meshtoon_vert:"\n#define TOON\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\t#include \n\t#include \n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n#endif\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include \n\t#include \n\t#include \n\n}\n",meshphong_frag:"\n#define PHONG\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n\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\nvoid main() {\n\n\t#include \n\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\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\n\t// accumulation\n\t#include \n\t#include \n\t#include \n\t#include \n\n\t// modulation\n\t#include \n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\t#include \n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",meshphong_vert:"\n#define PHONG\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n#endif\n\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\nvoid main() {\n\n\t#include \n\t#include \n\t#include \n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n#endif\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",meshphysical_frag:"\n#define STANDARD\n\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSPARENCY\n#endif\n\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n\n#ifdef TRANSPARENCY\n\tuniform float transparency;\n#endif\n\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\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\nvoid main() {\n\n\t#include \n\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\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\n\t// accumulation\n\t#include \n\t#include \n\t#include \n\t#include \n\n\t// modulation\n\t#include \n\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\n\t// this is a stub for the transparency model\n\t#ifdef TRANSPARENCY\n\t\tdiffuseColor.a *= saturate( 1. - transparency + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) );\n\t#endif\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",meshphysical_vert:"\n#define STANDARD\n\nvarying vec3 vViewPosition;\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\t#include \n\t#include \n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n\t#ifdef USE_TANGENT\n\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\n\t#endif\n\n#endif\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n\tvViewPosition = - mvPosition.xyz;\n\n\t#include \n\t#include \n\t#include \n\n}\n",normal_frag:"\n#define NORMAL\n\nuniform float opacity;\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvarying vec3 vViewPosition;\n\n#endif\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\n}\n",normal_vert:"\n#define NORMAL\n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvarying vec3 vViewPosition;\n\n#endif\n\n#ifndef FLAT_SHADED\n\n\tvarying vec3 vNormal;\n\n\t#ifdef USE_TANGENT\n\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\n\t#endif\n\n#endif\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n#ifndef FLAT_SHADED // Normal computed with derivatives when FLAT_SHADED\n\n\tvNormal = normalize( transformedNormal );\n\n\t#ifdef USE_TANGENT\n\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\n\t#endif\n\n#endif\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\n\tvViewPosition = - mvPosition.xyz;\n\n#endif\n\n}\n",points_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n\toutgoingLight = diffuseColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",points_vert:"\nuniform float size;\nuniform float scale;\n\n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n\tgl_PointSize = size;\n\n\t#ifdef USE_SIZEATTENUATION\n\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\n\t#endif\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",shadow_frag:"\nuniform vec3 color;\nuniform float opacity;\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\n\t#include \n\t#include \n\t#include \n\n}\n",shadow_vert:"\n#include \n#include \n\nvoid main() {\n\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\n}\n",sprite_frag:"\nuniform vec3 diffuse;\nuniform float opacity;\n\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t#include \n\t#include \n\t#include \n\t#include \n\n\toutgoingLight = diffuseColor.rgb;\n\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\n\t#include \n\t#include \n\t#include \n\n}\n",sprite_vert:"\nuniform float rotation;\nuniform vec2 center;\n\n#include \n#include \n#include \n#include \n#include \n\nvoid main() {\n\n\t#include \n\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\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\n\t#ifndef USE_SIZEATTENUATION\n\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\n\t#endif\n\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\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\n\tmvPosition.xy += rotatedPosition;\n\n\tgl_Position = projectionMatrix * mvPosition;\n\n\t#include \n\t#include \n\t#include \n\n}\n"};function Ui(t,n,e,i){oe.call(this),this.type="PerspectiveCamera",this.fov=void 0!==t?t:50,this.zoom=1,this.near=void 0!==e?e:.1,this.far=void 0!==i?i:2e3,this.focus=10,this.aspect=void 0!==n?n:1,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}Ui.prototype=Object.assign(Object.create(oe.prototype),{constructor:Ui,isPerspectiveCamera:!0,copy:function(t,n){return oe.prototype.copy.call(this,t,n),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){t=.5*this.getFilmHeight()/t;this.fov=2*E.RAD2DEG*Math.atan(t),this.updateProjectionMatrix()},getFocalLength:function(){var t=Math.tan(.5*E.DEG2RAD*this.fov);return.5*this.getFilmHeight()/t},getEffectiveFOV:function(){return 2*E.RAD2DEG*Math.atan(Math.tan(.5*E.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,n,e,i,r,a){this.aspect=t/n,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=n,this.view.offsetX=e,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){var t,n=this.near,e=n*Math.tan(.5*E.DEG2RAD*this.fov)/this.zoom,i=2*e,r=this.aspect*i,a=-.5*r,o=this.view;null!==this.view&&this.view.enabled&&(t=o.fullWidth,s=o.fullHeight,a+=o.offsetX*r/t,e-=o.offsetY*i/s,r*=o.width/t,i*=o.height/s);var s=this.filmOffset;0!==s&&(a+=n*s/this.getFilmWidth()),this.projectionMatrix.makePerspective(a,a+r,e,e-i,n,this.far),this.projectionMatrixInverse.getInverse(this.projectionMatrix)}});function Oi(t,n){!function(t,n){if(!(t instanceof n))throw new TypeError("Cannot call a class as a function")}(this,Oi),Be.call(this,t);var r=this,e=void 0!==(n=n||{}).textureWidth?n.textureWidth:512,i=void 0!==n.textureHeight?n.textureHeight:512,a=void 0!==n.clipBias?n.clipBias:0,o=void 0!==n.alpha?n.alpha:1,s=void 0!==n.time?n.time:0,h=void 0!==n.waterNormals?n.waterNormals:null,l=void 0!==n.sunDirection?n.sunDirection:new B(.70707,.70707,0),c=new I(void 0!==n.sunColor?n.sunColor:16777215),u=new I(void 0!==n.waterColor?n.waterColor:8355711),f=void 0!==n.eye?n.eye:new B(0,0,0),d=void 0!==n.distortionScale?n.distortionScale:20,t=void 0!==n.side?n.side:L,n=void 0!==n.fog&&n.fog,v=new fe,m=new B,p=new B,g=new B,_=new Lt,x=new B(0,0,-1),A=new rt,w=new B,S=new B,y=new rt,M=new Lt,T=new Ui,b=new Je(e,i,{minFilter:P,magFilter:P,format:1022,stencilBuffer:!1});E.isPowerOfTwo(e)&&E.isPowerOfTwo(i)||(b.texture.generateMipmaps=!1),i={uniforms:un.merge([Ii.fog,Ii.lights,{normalSampler:{value:null},mirrorSampler:{value:null},alpha:{value:1},time:{value:0},size:{value:1},distortionScale:{value:20},textureMatrix:{value:new Lt},sunColor:{value:new I(8355711)},sunDirection:{value:new B(.70707,.70707,0)},eye:{value:new B},waterColor:{value:new I(5592405)}}]),vertexShader:["uniform mat4 textureMatrix;","uniform float time;","varying vec4 mirrorCoord;","varying vec4 worldPosition;",Ri.fog_pars_vertex,Ri.shadowmap_pars_vertex,"void main() {","\tmirrorCoord = modelMatrix * vec4( position, 1.0 );","\tworldPosition = mirrorCoord.xyzw;","\tmirrorCoord = textureMatrix * mirrorCoord;","\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );","\tgl_Position = projectionMatrix * mvPosition;",Ri.fog_vertex,Ri.shadowmap_vertex,"}"].join("\n"),fragmentShader:["uniform sampler2D mirrorSampler;","uniform float alpha;","uniform float time;","uniform float size;","uniform float distortionScale;","uniform sampler2D normalSampler;","uniform vec3 sunColor;","uniform vec3 sunDirection;","uniform vec3 eye;","uniform vec3 waterColor;","varying vec4 mirrorCoord;","varying vec4 worldPosition;","vec4 getNoise( vec2 uv ) {","\tvec2 uv0 = ( uv / 103.0 ) + vec2(time / 17.0, time / 29.0);","\tvec2 uv1 = uv / 107.0-vec2( time / -19.0, time / 31.0 );","\tvec2 uv2 = uv / vec2( 8907.0, 9803.0 ) + vec2( time / 101.0, time / 97.0 );","\tvec2 uv3 = uv / vec2( 1091.0, 1027.0 ) - vec2( time / 109.0, time / -113.0 );","\tvec4 noise = texture2D( normalSampler, uv0 ) +","\t\ttexture2D( normalSampler, uv1 ) +","\t\ttexture2D( normalSampler, uv2 ) +","\t\ttexture2D( normalSampler, uv3 );","\treturn noise * 0.5 - 1.0;","}","void sunLight( const vec3 surfaceNormal, const vec3 eyeDirection, float shiny, float spec, float diffuse, inout vec3 diffuseColor, inout vec3 specularColor ) {","\tvec3 reflection = normalize( reflect( -sunDirection, surfaceNormal ) );","\tfloat direction = max( 0.0, dot( eyeDirection, reflection ) );","\tspecularColor += pow( direction, shiny ) * sunColor * spec;","\tdiffuseColor += max( dot( sunDirection, surfaceNormal ), 0.0 ) * sunColor * diffuse;","}",Ri.common,Ri.packing,Ri.bsdfs,Ri.fog_pars_fragment,Ri.lights_pars_begin,Ri.shadowmap_pars_fragment,Ri.shadowmask_pars_fragment,"void main() {","\tvec4 noise = getNoise( worldPosition.xz * size );","\tvec3 surfaceNormal = normalize( noise.xzy * vec3( 1.5, 1.0, 1.5 ) );","\tvec3 diffuseLight = vec3(0.0);","\tvec3 specularLight = vec3(0.0);","\tvec3 worldToEye = eye-worldPosition.xyz;","\tvec3 eyeDirection = normalize( worldToEye );","\tsunLight( surfaceNormal, eyeDirection, 100.0, 2.0, 0.5, diffuseLight, specularLight );","\tfloat distance = length(worldToEye);","\tvec2 distortion = surfaceNormal.xz * ( 0.001 + 1.0 / distance ) * distortionScale;","\tvec3 reflectionSample = vec3( texture2D( mirrorSampler, mirrorCoord.xy / mirrorCoord.w + distortion ) );","\tfloat theta = max( dot( eyeDirection, surfaceNormal ), 0.0 );","\tfloat rf0 = 0.3;","\tfloat reflectance = rf0 + ( 1.0 - rf0 ) * pow( ( 1.0 - theta ), 5.0 );","\tvec3 scatter = max( 0.0, dot( surfaceNormal, eyeDirection ) ) * waterColor;","\tvec3 albedo = mix( ( sunColor * diffuseLight * 0.3 + scatter ) * getShadowMask(), ( vec3( 0.1 ) + reflectionSample * 0.9 + reflectionSample * specularLight ), reflectance);","\tvec3 outgoingLight = albedo;","\tgl_FragColor = vec4( outgoingLight, alpha );",Ri.tonemapping_fragment,Ri.fog_fragment,"}"].join("\n")},(n=new vn({fragmentShader:i.fragmentShader,vertexShader:i.vertexShader,uniforms:un.clone(i.uniforms),transparent:!0,lights:!0,side:t,fog:n})).uniforms.mirrorSampler.value=b.texture,n.uniforms.textureMatrix.value=M,n.uniforms.alpha.value=o,n.uniforms.time.value=s,n.uniforms.normalSampler.value=h,n.uniforms.sunColor.value=c,n.uniforms.waterColor.value=u,n.uniforms.sunDirection.value=l,n.uniforms.distortionScale.value=d,n.uniforms.eye.value=f,r.material=n,r.onBeforeRender=function(t,n,e){var i;p.setFromMatrixPosition(r.matrixWorld),g.setFromMatrixPosition(e.matrixWorld),_.extractRotation(r.matrixWorld),m.set(0,0,1),m.applyMatrix4(_),w.subVectors(p,g),0Number.EPSILON&&(s.normalize(),e=Math.acos(E.clamp(r[l-1].dot(r[l]),-1,1)),a[l].applyMatrix4(h.makeRotationAxis(s,e))),o[l].crossVectors(r[l],a[l]);if(!0===n)for(e=Math.acos(E.clamp(a[0].dot(a[t]),-1,1)),e/=t,0i.length-2?i.length-1:a+1],a=i[a>i.length-3?i.length-1:a+2];return e.set(nr(o,n.x,t.x,r.x,a.x),nr(o,n.y,t.y,r.y,a.y)),e},lr.prototype.copy=function(t){ji.prototype.copy.call(this,t),this.points=[];for(var n=0,e=t.points.length;n=n){var r=e[i]-n,a=this.curves[i],o=a.getLength();return a.getPointAt(0===o?0:1-r/o)}i++}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=[],n=0,e=0,i=this.curves.length;e=i.next.y&&i.next.y!==i.y){var s=i.x+(a-i.y)*(i.next.x-i.x)/(i.next.y-i.y);if(s<=r&&o=i.x&&i.x>=c&&r!==i.x&&xr(ae.x)&&yr(i,t)&&(e=i,f=h),i=i.next;return e}(t,n))&&mr(t=Mr(n,t),t.next)}(h[r],e),e=mr(e,e.next);return e}(t,n,c,e)),t.length>80*e){for(var f=i=t[0],d=r=t[1],v=e;va.x?r.x>o.x?r:o:a.x>o.x?a:o).x,c=(r.y>a.y?r.y>o.y?r:o:a.y>o.y?a:o).y,u=_r(s,h,n,e,i),f=_r(l,c,n,e,i),d=t.prevZ,v=t.nextZ;for(;d&&d.z>=u&&v&&v.z<=f;){if(d!==t.prev&&d!==t.next&&xr(r.x,r.y,a.x,a.y,o.x,o.y,d.x,d.y)&&0<=Ar(d.prev,d,d.next))return!1;if(d=d.prevZ,v!==t.prev&&v!==t.next&&xr(r.x,r.y,a.x,a.y,o.x,o.y,v.x,v.y)&&0<=Ar(v.prev,v,v.next))return!1;v=v.nextZ}for(;d&&d.z>=u;){if(d!==t.prev&&d!==t.next&&xr(r.x,r.y,a.x,a.y,o.x,o.y,d.x,d.y)&&0<=Ar(d.prev,d,d.next))return!1;d=d.prevZ}for(;v&&v.z<=f;){if(v!==t.prev&&v!==t.next&&xr(r.x,r.y,a.x,a.y,o.x,o.y,v.x,v.y)&&0<=Ar(v.prev,v,v.next))return!1;v=v.nextZ}return!0}(t,i,r,a):function(t){var n=t.prev,e=t,i=t.next;if(0<=Ar(n,e,i))return!1;var r=t.next.next;for(;r!==t.prev;){if(xr(n.x,n.y,e.x,e.y,i.x,i.y,r.x,r.y)&&0<=Ar(r.prev,r,r.next))return!1;r=r.next}return!0}(t))n.push(s.i/e),n.push(t.i/e),n.push(h.i/e),br(t),t=h.next,l=h.next;else if((t=h)===l){o?1===o?pr(t=function(t,n,e){var i=t;do{var r=i.prev,a=i.next.next}while(!wr(r,a)&&Sr(r,i,i.next,a)&&yr(r,a)&&yr(a,r)&&(n.push(r.i/e),n.push(i.i/e),n.push(a.i/e),br(i),br(i.next),i=t=a),i=i.next,i!==t);return i}(t,n,e),n,e,i,r,a,2):2===o&&function(t,n,e,i,r,a){var o=t;do{for(var s=o.next.next;s!==o.prev;){if(o.i!==s.i&&function(t,n){return t.next.i!==n.i&&t.prev.i!==n.i&&!function(t,n){var e=t;do{if(e.i!==t.i&&e.next.i!==t.i&&e.i!==n.i&&e.next.i!==n.i&&Sr(e,e.next,t,n))return!0}while(e=e.next,e!==t);return!1}(t,n)&&yr(t,n)&&yr(n,t)&&function(t,n){var e=t,i=!1,r=(t.x+n.x)/2,a=(t.y+n.y)/2;for(;e.y>a!=e.next.y>a&&e.next.y!==e.y&&r<(e.next.x-e.x)*(a-e.y)/(e.next.y-e.y)+e.x&&(i=!i),e=e.next,e!==t;);return i}(t,n)}(o,s)){var h=Mr(o,s);return o=mr(o,o.next),h=mr(h,h.next),pr(o,n,e,i,r,a),pr(h,n,e,i,r,a)}s=s.next}}while(o=o.next,o!==t)}(t,n,e,i,r,a):pr(mr(t),n,e,i,r,a,1);break}}}function gr(t,n){return t.x-n.x}function _r(t,n,e,i,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=32767*(t-e)*r)|t<<8))|t<<4))|t<<2))|t<<1))|(n=1431655765&((n=858993459&((n=252645135&((n=16711935&((n=32767*(n-i)*r)|n<<8))|n<<4))|n<<2))|n<<1))<<1}function xr(t,n,e,i,r,a,o,s){return 0<=(r-o)*(n-s)-(t-o)*(a-s)&&0<=(t-o)*(i-s)-(e-o)*(n-s)&&0<=(e-o)*(a-s)-(r-o)*(i-s)}function Ar(t,n,e){return(n.y-t.y)*(e.x-n.x)-(n.x-t.x)*(e.y-n.y)}function wr(t,n){return t.x===n.x&&t.y===n.y}function Sr(t,n,e,i){return wr(t,e)&&wr(n,i)||wr(t,i)&&wr(e,n)||0\t\t\t\tvarying vec2 vUv;\n\t\t\t\tuniform sampler2D colorTexture;\n\t\t\t\tuniform vec2 texSize;\t\t\t\tuniform vec2 direction;\t\t\t\t\t\t\t\tfloat gaussianPdf(in float x, in float sigma) {\t\t\t\t\treturn 0.39894 * exp( -0.5 * x * x/( sigma * sigma))/sigma;\t\t\t\t}\t\t\t\tvoid main() {\n\t\t\t\t\tvec2 invSize = 1.0 / texSize;\t\t\t\t\tfloat fSigma = float(SIGMA);\t\t\t\t\tfloat weightSum = gaussianPdf(0.0, fSigma);\t\t\t\t\tvec3 diffuseSum = texture2D( colorTexture, vUv).rgb * weightSum;\t\t\t\t\tfor( int i = 1; i < KERNEL_RADIUS; i ++ ) {\t\t\t\t\t\tfloat x = float(i);\t\t\t\t\t\tfloat w = gaussianPdf(x, fSigma);\t\t\t\t\t\tvec2 uvOffset = direction * invSize * x;\t\t\t\t\t\tvec3 sample1 = texture2D( colorTexture, vUv + uvOffset).rgb;\t\t\t\t\t\tvec3 sample2 = texture2D( colorTexture, vUv - uvOffset).rgb;\t\t\t\t\t\tdiffuseSum += (sample1 + sample2) * w;\t\t\t\t\t\tweightSum += 2.0 * w;\t\t\t\t\t}\t\t\t\t\tgl_FragColor = vec4(diffuseSum/weightSum, 1.0);\n\t\t\t\t}"})},getCompositeMaterial:function(t){return new vn({defines:{NUM_MIPS:t},uniforms:{blurTexture1:{value:null},blurTexture2:{value:null},blurTexture3:{value:null},blurTexture4:{value:null},blurTexture5:{value:null},dirtTexture:{value:null},bloomStrength:{value:1},bloomFactors:{value:null},bloomTintColors:{value:null},bloomRadius:{value:0}},vertexShader:"varying vec2 vUv;\n\t\t\t\tvoid main() {\n\t\t\t\t\tvUv = uv;\n\t\t\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\t\t\t\t}",fragmentShader:"varying vec2 vUv;\t\t\t\tuniform sampler2D blurTexture1;\t\t\t\tuniform sampler2D blurTexture2;\t\t\t\tuniform sampler2D blurTexture3;\t\t\t\tuniform sampler2D blurTexture4;\t\t\t\tuniform sampler2D blurTexture5;\t\t\t\tuniform sampler2D dirtTexture;\t\t\t\tuniform float bloomStrength;\t\t\t\tuniform float bloomRadius;\t\t\t\tuniform float bloomFactors[NUM_MIPS];\t\t\t\tuniform vec3 bloomTintColors[NUM_MIPS];\t\t\t\t\t\t\t\tfloat lerpBloomFactor(const in float factor) { \t\t\t\t\tfloat mirrorFactor = 1.2 - factor;\t\t\t\t\treturn mix(factor, mirrorFactor, bloomRadius);\t\t\t\t}\t\t\t\t\t\t\t\tvoid main() {\t\t\t\t\tgl_FragColor = bloomStrength * ( lerpBloomFactor(bloomFactors[0]) * vec4(bloomTintColors[0], 1.0) * texture2D(blurTexture1, vUv) + \t\t\t\t\t\t\t\t\t\t\t\t\t lerpBloomFactor(bloomFactors[1]) * vec4(bloomTintColors[1], 1.0) * texture2D(blurTexture2, vUv) + \t\t\t\t\t\t\t\t\t\t\t\t\t lerpBloomFactor(bloomFactors[2]) * vec4(bloomTintColors[2], 1.0) * texture2D(blurTexture3, vUv) + \t\t\t\t\t\t\t\t\t\t\t\t\t lerpBloomFactor(bloomFactors[3]) * vec4(bloomTintColors[3], 1.0) * texture2D(blurTexture4, vUv) + \t\t\t\t\t\t\t\t\t\t\t\t\t lerpBloomFactor(bloomFactors[4]) * vec4(bloomTintColors[4], 1.0) * texture2D(blurTexture5, vUv) );\t\t\t\t}"})}}),Ur.BlurDirectionX=new at(1,0),Ur.BlurDirectionY=new at(0,1);ci=function(){function e(t,n){!function(t,n){if(!(t instanceof n))throw new TypeError("Cannot call a class as a function")}(this,e),this.L=t,this.wt=[],this.k=this.V(),this.R(n)}var t,n,i;return t=e,(n=[{key:"getThreshold",value:function(){return this.St.threshold}},{key:"setThreshold",value:function(t){this.St.threshold=t}},{key:"getStrength",value:function(){return this.St.strength}},{key:"setStrength",value:function(t){this.St.strength=t}},{key:"getRadius",value:function(){return this.St.radius}},{key:"setRadius",value:function(t){this.St.radius=t}},{key:"enable",value:function(){this.k.bloom=this}},{key:"disable",value:function(){this.k.bloom=null}},{key:"add",value:function(t){var n=t.parent.level,e=this.L.getVisibleLevels();(n?this.composers3D.get(n):this.composers3D.get(e[e.length-1])).bloomscene.children.push(t.getScene())}},{key:"remove",value:function(e){this.composers3D.forEach(function(t){for(var n=0;n= edgeVert;"," FxaaFloat subpixA = subpixNSWE * 2.0 + subpixNWSWNESE;","/*--------------------------------------------------------------------------*/"," if(!horzSpan) lumaN = lumaW;"," if(!horzSpan) lumaS = lumaE;"," if(horzSpan) lengthSign = fxaaQualityRcpFrame.y;"," FxaaFloat subpixB = (subpixA * (1.0/12.0)) - lumaM;","/*--------------------------------------------------------------------------*/"," FxaaFloat gradientN = lumaN - lumaM;"," FxaaFloat gradientS = lumaS - lumaM;"," FxaaFloat lumaNN = lumaN + lumaM;"," FxaaFloat lumaSS = lumaS + lumaM;"," FxaaBool pairN = abs(gradientN) >= abs(gradientS);"," FxaaFloat gradient = max(abs(gradientN), abs(gradientS));"," if(pairN) lengthSign = -lengthSign;"," FxaaFloat subpixC = FxaaSat(abs(subpixB) * subpixRcpRange);","/*--------------------------------------------------------------------------*/"," FxaaFloat2 posB;"," posB.x = posM.x;"," posB.y = posM.y;"," FxaaFloat2 offNP;"," offNP.x = (!horzSpan) ? 0.0 : fxaaQualityRcpFrame.x;"," offNP.y = ( horzSpan) ? 0.0 : fxaaQualityRcpFrame.y;"," if(!horzSpan) posB.x += lengthSign * 0.5;"," if( horzSpan) posB.y += lengthSign * 0.5;","/*--------------------------------------------------------------------------*/"," FxaaFloat2 posN;"," posN.x = posB.x - offNP.x * FXAA_QUALITY_P0;"," posN.y = posB.y - offNP.y * FXAA_QUALITY_P0;"," FxaaFloat2 posP;"," posP.x = posB.x + offNP.x * FXAA_QUALITY_P0;"," posP.y = posB.y + offNP.y * FXAA_QUALITY_P0;"," FxaaFloat subpixD = ((-2.0)*subpixC) + 3.0;"," FxaaFloat lumaEndN = FxaaLuma(FxaaTexTop(tex, posN));"," FxaaFloat subpixE = subpixC * subpixC;"," FxaaFloat lumaEndP = FxaaLuma(FxaaTexTop(tex, posP));","/*--------------------------------------------------------------------------*/"," if(!pairN) lumaNN = lumaSS;"," FxaaFloat gradientScaled = gradient * 1.0/4.0;"," FxaaFloat lumaMM = lumaM - lumaNN * 0.5;"," FxaaFloat subpixF = subpixD * subpixE;"," FxaaBool lumaMLTZero = lumaMM < 0.0;","/*--------------------------------------------------------------------------*/"," lumaEndN -= lumaNN * 0.5;"," lumaEndP -= lumaNN * 0.5;"," FxaaBool doneN = abs(lumaEndN) >= gradientScaled;"," FxaaBool doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P1;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P1;"," FxaaBool doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P1;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P1;","/*--------------------------------------------------------------------------*/"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P2;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P2;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P2;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P2;","/*--------------------------------------------------------------------------*/"," #if (FXAA_QUALITY_PS > 3)"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P3;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P3;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P3;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P3;","/*--------------------------------------------------------------------------*/"," #if (FXAA_QUALITY_PS > 4)"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P4;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P4;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P4;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P4;","/*--------------------------------------------------------------------------*/"," #if (FXAA_QUALITY_PS > 5)"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P5;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P5;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P5;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P5;","/*--------------------------------------------------------------------------*/"," #if (FXAA_QUALITY_PS > 6)"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P6;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P6;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P6;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P6;","/*--------------------------------------------------------------------------*/"," #if (FXAA_QUALITY_PS > 7)"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P7;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P7;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P7;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P7;","/*--------------------------------------------------------------------------*/"," #if (FXAA_QUALITY_PS > 8)"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P8;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P8;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P8;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P8;","/*--------------------------------------------------------------------------*/"," #if (FXAA_QUALITY_PS > 9)"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P9;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P9;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P9;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P9;","/*--------------------------------------------------------------------------*/"," #if (FXAA_QUALITY_PS > 10)"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P10;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P10;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P10;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P10;","/*--------------------------------------------------------------------------*/"," #if (FXAA_QUALITY_PS > 11)"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P11;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P11;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P11;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P11;","/*--------------------------------------------------------------------------*/"," #if (FXAA_QUALITY_PS > 12)"," if(doneNP) {"," if(!doneN) lumaEndN = FxaaLuma(FxaaTexTop(tex, posN.xy));"," if(!doneP) lumaEndP = FxaaLuma(FxaaTexTop(tex, posP.xy));"," if(!doneN) lumaEndN = lumaEndN - lumaNN * 0.5;"," if(!doneP) lumaEndP = lumaEndP - lumaNN * 0.5;"," doneN = abs(lumaEndN) >= gradientScaled;"," doneP = abs(lumaEndP) >= gradientScaled;"," if(!doneN) posN.x -= offNP.x * FXAA_QUALITY_P12;"," if(!doneN) posN.y -= offNP.y * FXAA_QUALITY_P12;"," doneNP = (!doneN) || (!doneP);"," if(!doneP) posP.x += offNP.x * FXAA_QUALITY_P12;"," if(!doneP) posP.y += offNP.y * FXAA_QUALITY_P12;","/*--------------------------------------------------------------------------*/"," }"," #endif","/*--------------------------------------------------------------------------*/"," }"," #endif","/*--------------------------------------------------------------------------*/"," }"," #endif","/*--------------------------------------------------------------------------*/"," }"," #endif","/*--------------------------------------------------------------------------*/"," }"," #endif","/*--------------------------------------------------------------------------*/"," }"," #endif","/*--------------------------------------------------------------------------*/"," }"," #endif","/*--------------------------------------------------------------------------*/"," }"," #endif","/*--------------------------------------------------------------------------*/"," }"," #endif","/*--------------------------------------------------------------------------*/"," }"," #endif","/*--------------------------------------------------------------------------*/"," }","/*--------------------------------------------------------------------------*/"," FxaaFloat dstN = posM.x - posN.x;"," FxaaFloat dstP = posP.x - posM.x;"," if(!horzSpan) dstN = posM.y - posN.y;"," if(!horzSpan) dstP = posP.y - posM.y;","/*--------------------------------------------------------------------------*/"," FxaaBool goodSpanN = (lumaEndN < 0.0) != lumaMLTZero;"," FxaaFloat spanLength = (dstP + dstN);"," FxaaBool goodSpanP = (lumaEndP < 0.0) != lumaMLTZero;"," FxaaFloat spanLengthRcp = 1.0/spanLength;","/*--------------------------------------------------------------------------*/"," FxaaBool directionN = dstN < dstP;"," FxaaFloat dst = min(dstN, dstP);"," FxaaBool goodSpan = directionN ? goodSpanN : goodSpanP;"," FxaaFloat subpixG = subpixF * subpixF;"," FxaaFloat pixelOffset = (dst * (-spanLengthRcp)) + 0.5;"," FxaaFloat subpixH = subpixG * fxaaQualitySubpix;","/*--------------------------------------------------------------------------*/"," FxaaFloat pixelOffsetGood = goodSpan ? pixelOffset : 0.0;"," FxaaFloat pixelOffsetSubpix = max(pixelOffsetGood, subpixH);"," if(!horzSpan) posM.x += pixelOffsetSubpix * lengthSign;"," if( horzSpan) posM.y += pixelOffsetSubpix * lengthSign;"," #if (FXAA_DISCARD == 1)"," return FxaaTexTop(tex, posM);"," #else"," return FxaaFloat4(FxaaTexTop(tex, posM).xyz, lumaM);"," #endif","}","/*==========================================================================*/","#endif","","void main() {"," gl_FragColor = FxaaPixelShader("," vUv,"," vec4(0.0),"," tDiffuse,"," tDiffuse,"," tDiffuse,"," resolution,"," vec4(0.0),"," vec4(0.0),"," vec4(0.0),"," 0.75,"," 0.166,"," 0.0833,"," 0.0,"," 0.0,"," 0.0,"," vec4(0.0)"," );",""," // TODO avoid querying texture twice for same texel"," gl_FragColor.a = texture2D(tDiffuse, vUv).a;","}"].join("\n")},Gr={defines:{NUM_SAMPLES:7,NUM_RINGS:4,NORMAL_TEXTURE:0,DIFFUSE_TEXTURE:0,DEPTH_PACKING:1,PERSPECTIVE_CAMERA:1},uniforms:{tDepth:{value:null},tDiffuse:{value:null},tNormal:{value:null},size:{value:new at(512,512)},cameraNear:{value:1},cameraFar:{value:100},cameraProjectionMatrix:{value:new Lt},cameraInverseProjectionMatrix:{value:new Lt},scale:{value:1},intensity:{value:.1},bias:{value:.5},minResolution:{value:0},kernelRadius:{value:100},randomSeed:{value:0}},vertexShader:["varying vec2 vUv;","void main() {","\tvUv = uv;","\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );","}"].join("\n"),fragmentShader:["#include ","varying vec2 vUv;","#if DIFFUSE_TEXTURE == 1","uniform sampler2D tDiffuse;","#endif","uniform sampler2D tDepth;","#if NORMAL_TEXTURE == 1","uniform sampler2D tNormal;","#endif","uniform float cameraNear;","uniform float cameraFar;","uniform mat4 cameraProjectionMatrix;","uniform mat4 cameraInverseProjectionMatrix;","uniform float scale;","uniform float intensity;","uniform float bias;","uniform float kernelRadius;","uniform float minResolution;","uniform vec2 size;","uniform float randomSeed;","// RGBA depth","#include ","vec4 getDefaultColor( const in vec2 screenPosition ) {","\t#if DIFFUSE_TEXTURE == 1","\treturn texture2D( tDiffuse, vUv );","\t#else","\treturn vec4( 1.0 );","\t#endif","}","float getDepth( const in vec2 screenPosition ) {","\t#if DEPTH_PACKING == 1","\treturn unpackRGBAToDepth( texture2D( tDepth, screenPosition ) );","\t#else","\treturn texture2D( tDepth, screenPosition ).x;","\t#endif","}","float getViewZ( const in float depth ) {","\t#if PERSPECTIVE_CAMERA == 1","\treturn perspectiveDepthToViewZ( depth, cameraNear, cameraFar );","\t#else","\treturn orthographicDepthToViewZ( depth, cameraNear, cameraFar );","\t#endif","}","vec3 getViewPosition( const in vec2 screenPosition, const in float depth, const in float viewZ ) {","\tfloat clipW = cameraProjectionMatrix[2][3] * viewZ + cameraProjectionMatrix[3][3];","\tvec4 clipPosition = vec4( ( vec3( screenPosition, depth ) - 0.5 ) * 2.0, 1.0 );","\tclipPosition *= clipW; // unprojection.","\treturn ( cameraInverseProjectionMatrix * clipPosition ).xyz;","}","vec3 getViewNormal( const in vec3 viewPosition, const in vec2 screenPosition ) {","\t#if NORMAL_TEXTURE == 1","\treturn unpackRGBToNormal( texture2D( tNormal, screenPosition ).xyz );","\t#else","\treturn normalize( cross( dFdx( viewPosition ), dFdy( viewPosition ) ) );","\t#endif","}","float scaleDividedByCameraFar;","float minResolutionMultipliedByCameraFar;","float getOcclusion( const in vec3 centerViewPosition, const in vec3 centerViewNormal, const in vec3 sampleViewPosition ) {","\tvec3 viewDelta = sampleViewPosition - centerViewPosition;","\tfloat viewDistance = length( viewDelta );","\tfloat scaledScreenDistance = scaleDividedByCameraFar * viewDistance;","\treturn max(0.0, (dot(centerViewNormal, viewDelta) - minResolutionMultipliedByCameraFar) / scaledScreenDistance - bias) / (1.0 + pow2( scaledScreenDistance ) );","}","// moving costly divides into consts","const float ANGLE_STEP = PI2 * float( NUM_RINGS ) / float( NUM_SAMPLES );","const float INV_NUM_SAMPLES = 1.0 / float( NUM_SAMPLES );","float getAmbientOcclusion( const in vec3 centerViewPosition ) {","\t// precompute some variables require in getOcclusion.","\tscaleDividedByCameraFar = scale / cameraFar;","\tminResolutionMultipliedByCameraFar = minResolution * cameraFar;","\tvec3 centerViewNormal = getViewNormal( centerViewPosition, vUv );","\t// jsfiddle that shows sample pattern: https://jsfiddle.net/a16ff1p7/","\tfloat angle = rand( vUv + randomSeed ) * PI2;","\tvec2 radius = vec2( kernelRadius * INV_NUM_SAMPLES ) / size;","\tvec2 radiusStep = radius;","\tfloat occlusionSum = 0.0;","\tfloat weightSum = 0.0;","\tfor( int i = 0; i < NUM_SAMPLES; i ++ ) {","\t\tvec2 sampleUv = vUv + vec2( cos( angle ), sin( angle ) ) * radius;","\t\tradius += radiusStep;","\t\tangle += ANGLE_STEP;","\t\tfloat sampleDepth = getDepth( sampleUv );","\t\tif( sampleDepth >= ( 1.0 - EPSILON ) ) {","\t\t\tcontinue;","\t\t}","\t\tfloat sampleViewZ = getViewZ( sampleDepth );","\t\tvec3 sampleViewPosition = getViewPosition( sampleUv, sampleDepth, sampleViewZ );","\t\tocclusionSum += getOcclusion( centerViewPosition, centerViewNormal, sampleViewPosition );","\t\tweightSum += 1.0;","\t}","\tif( weightSum == 0.0 ) discard;","\treturn occlusionSum * ( intensity / weightSum );","}","void main() {","\tfloat centerDepth = getDepth( vUv );","\tif( centerDepth >= ( 1.0 - EPSILON ) ) {","\t\tdiscard;","\t}","\tfloat centerViewZ = getViewZ( centerDepth );","\tvec3 viewPosition = getViewPosition( vUv, centerDepth, centerViewZ );","\tfloat ambientOcclusion = getAmbientOcclusion( viewPosition );","\tgl_FragColor = getDefaultColor( vUv );","\tgl_FragColor.xyz *= 1.0 - ambientOcclusion;","}"].join("\n")},zr={defines:{KERNEL_RADIUS:4,DEPTH_PACKING:1,PERSPECTIVE_CAMERA:1},uniforms:{tDiffuse:{value:null},size:{value:new at(512,512)},sampleUvOffsets:{value:[new at(0,0)]},sampleWeights:{value:[1]},tDepth:{value:null},cameraNear:{value:10},cameraFar:{value:1e3},depthCutoff:{value:10}},vertexShader:["#include ","uniform vec2 size;","varying vec2 vUv;","varying vec2 vInvSize;","void main() {","\tvUv = uv;","\tvInvSize = 1.0 / size;","\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );","}"].join("\n"),fragmentShader:["#include ","#include ","uniform sampler2D tDiffuse;","uniform sampler2D tDepth;","uniform float cameraNear;","uniform float cameraFar;","uniform float depthCutoff;","uniform vec2 sampleUvOffsets[ KERNEL_RADIUS + 1 ];","uniform float sampleWeights[ KERNEL_RADIUS + 1 ];","varying vec2 vUv;","varying vec2 vInvSize;","float getDepth( const in vec2 screenPosition ) {","\t#if DEPTH_PACKING == 1","\treturn unpackRGBAToDepth( texture2D( tDepth, screenPosition ) );","\t#else","\treturn texture2D( tDepth, screenPosition ).x;","\t#endif","}","float getViewZ( const in float depth ) {","\t#if PERSPECTIVE_CAMERA == 1","\treturn perspectiveDepthToViewZ( depth, cameraNear, cameraFar );","\t#else","\treturn orthographicDepthToViewZ( depth, cameraNear, cameraFar );","\t#endif","}","void main() {","\tfloat depth = getDepth( vUv );","\tif( depth >= ( 1.0 - EPSILON ) ) {","\t\tdiscard;","\t}","\tfloat centerViewZ = -getViewZ( depth );","\tbool rBreak = false, lBreak = false;","\tfloat weightSum = sampleWeights[0];","\tvec4 diffuseSum = texture2D( tDiffuse, vUv ) * weightSum;","\tfor( int i = 1; i <= KERNEL_RADIUS; i ++ ) {","\t\tfloat sampleWeight = sampleWeights[i];","\t\tvec2 sampleUvOffset = sampleUvOffsets[i] * vInvSize;","\t\tvec2 sampleUv = vUv + sampleUvOffset;","\t\tfloat viewZ = -getViewZ( getDepth( sampleUv ) );","\t\tif( abs( viewZ - centerViewZ ) > depthCutoff ) rBreak = true;","\t\tif( ! rBreak ) {","\t\t\tdiffuseSum += texture2D( tDiffuse, sampleUv ) * sampleWeight;","\t\t\tweightSum += sampleWeight;","\t\t}","\t\tsampleUv = vUv - sampleUvOffset;","\t\tviewZ = -getViewZ( getDepth( sampleUv ) );","\t\tif( abs( viewZ - centerViewZ ) > depthCutoff ) lBreak = true;","\t\tif( ! lBreak ) {","\t\t\tdiffuseSum += texture2D( tDiffuse, sampleUv ) * sampleWeight;","\t\t\tweightSum += sampleWeight;","\t\t}","\t}","\tgl_FragColor = diffuseSum / weightSum;","}"].join("\n")},Br={createSampleWeights:function(t,n){for(var e,i,r=[],a=0;a<=t;a++)r.push((e=a,i=n,Math.exp(-e*e/(i*i*2))/(Math.sqrt(2*Math.PI)*i)));return r},createSampleOffsets:function(t,n){for(var e=[],i=0;i<=t;i++)e.push(n.clone().multiplyScalar(i));return e},configure:function(t,n,e,i){t.defines.KERNEL_RADIUS=n,t.uniforms.sampleUvOffsets.value=Br.createSampleOffsets(n,i),t.uniforms.sampleWeights.value=Br.createSampleWeights(n,e),t.needsUpdate=!0}},kr={uniforms:{tDiffuse:{value:null},opacity:{value:1}},vertexShader:["varying vec2 vUv;","void main() {","\tvUv = uv;","\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );","}"].join("\n"),fragmentShader:["uniform float opacity;","uniform sampler2D tDiffuse;","varying vec2 vUv;","#include ","void main() {","\tfloat depth = 1.0 - unpackRGBAToDepth( texture2D( tDiffuse, vUv ) );","\tgl_FragColor = vec4( vec3( depth ), opacity );","}"].join("\n")};function Vr(t,n,e,i,r,a,o,s,h,l){if(1026!==(l=void 0!==l?l:1026)&&1027!==l)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");Un.call(this,null,i,r,a,o,s,l,e=void 0===(e=void 0===e&&1026===l?1012:e)&&1027===l?1020:e,h),this.image={width:t,height:n},this.magFilter=void 0!==o?o:v,this.minFilter=void 0!==s?s:v,this.flipY=!1,this.generateMipmaps=!1}((Vr.prototype=Object.create(Un.prototype)).constructor=Vr).prototype.isDepthTexture=!0;function Yr(t,n,e,i,r){je.call(this),this.scene=t,this.camera=n,this.clear=!0,this.needsSwap=!1,this.supportsDepthTextureExtension=void 0!==e&&e,this.supportsNormalTexture=void 0!==i&&i,this.originalClearColor=new I,this.oldClearColor=new I,this.oldClearAlpha=1,this.params={output:0,saoBias:.5,saoIntensity:.18,saoScale:1,saoKernelRadius:100,saoMinResolution:0,saoBlur:!0,saoBlurRadius:8,saoBlurStdDev:4,saoBlurDepthCutoff:.01},this.resolution=void 0!==r?new at(r.x,r.y):new at(256,256),this.saoRenderTarget=new Je(this.resolution.x,this.resolution.y,{minFilter:P,magFilter:P,format:g}),this.blurIntermediateRenderTarget=this.saoRenderTarget.clone(),this.beautyRenderTarget=this.saoRenderTarget.clone(),this.normalRenderTarget=new Je(this.resolution.x,this.resolution.y,{minFilter:v,magFilter:v,format:g}),this.depthRenderTarget=this.normalRenderTarget.clone(),this.supportsDepthTextureExtension&&((e=new Vr).type=1012,e.minFilter=v,e.maxFilter=v,this.beautyRenderTarget.depthTexture=e,this.beautyRenderTarget.depthBuffer=!0),this.depthMaterial=new Sn,this.depthMaterial.depthPacking=3201,this.depthMaterial.blending=0,this.normalMaterial=new An,this.normalMaterial.blending=0,this.saoMaterial=new vn({defines:Object.assign({},Gr.defines),fragmentShader:Gr.fragmentShader,vertexShader:Gr.vertexShader,uniforms:un.clone(Gr.uniforms)}),this.saoMaterial.extensions.derivatives=!0,this.saoMaterial.defines.DEPTH_PACKING=this.supportsDepthTextureExtension?0:1,this.saoMaterial.defines.NORMAL_TEXTURE=this.supportsNormalTexture?1:0,this.saoMaterial.defines.PERSPECTIVE_CAMERA=this.camera.isPerspectiveCamera?1:0,this.saoMaterial.uniforms.tDepth.value=this.supportsDepthTextureExtension?e:this.depthRenderTarget.texture,this.saoMaterial.uniforms.tNormal.value=this.normalRenderTarget.texture,this.saoMaterial.uniforms.size.value.set(this.resolution.x,this.resolution.y),this.saoMaterial.uniforms.cameraInverseProjectionMatrix.value.getInverse(this.camera.projectionMatrix),this.saoMaterial.uniforms.cameraProjectionMatrix.value=this.camera.projectionMatrix,this.saoMaterial.blending=0,this.vBlurMaterial=new vn({uniforms:un.clone(zr.uniforms),defines:Object.assign({},zr.defines),vertexShader:zr.vertexShader,fragmentShader:zr.fragmentShader}),this.vBlurMaterial.defines.DEPTH_PACKING=this.supportsDepthTextureExtension?0:1,this.vBlurMaterial.defines.PERSPECTIVE_CAMERA=this.camera.isPerspectiveCamera?1:0,this.vBlurMaterial.uniforms.tDiffuse.value=this.saoRenderTarget.texture,this.vBlurMaterial.uniforms.tDepth.value=this.supportsDepthTextureExtension?e:this.depthRenderTarget.texture,this.vBlurMaterial.uniforms.size.value.set(this.resolution.x,this.resolution.y),this.vBlurMaterial.blending=0,this.hBlurMaterial=new vn({uniforms:un.clone(zr.uniforms),defines:Object.assign({},zr.defines),vertexShader:zr.vertexShader,fragmentShader:zr.fragmentShader}),this.hBlurMaterial.defines.DEPTH_PACKING=this.supportsDepthTextureExtension?0:1,this.hBlurMaterial.defines.PERSPECTIVE_CAMERA=this.camera.isPerspectiveCamera?1:0,this.hBlurMaterial.uniforms.tDiffuse.value=this.blurIntermediateRenderTarget.texture,this.hBlurMaterial.uniforms.tDepth.value=this.supportsDepthTextureExtension?e:this.depthRenderTarget.texture,this.hBlurMaterial.uniforms.size.value.set(this.resolution.x,this.resolution.y),this.hBlurMaterial.blending=0,this.materialCopy=new vn({uniforms:un.clone(qe.uniforms),vertexShader:qe.vertexShader,fragmentShader:qe.fragmentShader,blending:0}),this.materialCopy.transparent=!0,this.materialCopy.depthTest=!1,this.materialCopy.depthWrite=!1,this.materialCopy.blending=5,this.materialCopy.blendSrc=208,this.materialCopy.blendDst=200,this.materialCopy.blendEquation=a,this.materialCopy.blendSrcAlpha=206,this.materialCopy.blendDstAlpha=200,this.materialCopy.blendEquationAlpha=a,this.depthCopy=new vn({uniforms:un.clone(kr.uniforms),vertexShader:kr.vertexShader,fragmentShader:kr.fragmentShader,blending:0}),this.fsQuad=new je.FullScreenQuad(null)}function jr(t,n){for(var e=0;e\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\n\t\tuniform float linewidth;\n\t\tuniform vec2 resolution;\n\n\t\tattribute vec3 instanceStart;\n\t\tattribute vec3 instanceEnd;\n\n\t\tattribute vec3 instanceColorStart;\n\t\tattribute vec3 instanceColorEnd;\n\n\t\tvarying vec2 vUv;\n\n\t\t#ifdef USE_DASH\n\n\t\t\tuniform float dashScale;\n\t\t\tattribute float instanceDistanceStart;\n\t\t\tattribute float instanceDistanceEnd;\n\t\t\tvarying float vLineDistance;\n\n\t\t#endif\n\n\t\tvoid trimSegment( const in vec4 start, inout vec4 end ) {\n\n\t\t\t// trim end segment so it terminates between the camera plane and the near plane\n\n\t\t\t// conservative estimate of the near plane\n\t\t\tfloat a = projectionMatrix[ 2 ][ 2 ]; // 3nd entry in 3th column\n\t\t\tfloat b = projectionMatrix[ 3 ][ 2 ]; // 3nd entry in 4th column\n\t\t\tfloat nearEstimate = - 0.5 * b / a;\n\n\t\t\tfloat alpha = ( nearEstimate - start.z ) / ( end.z - start.z );\n\n\t\t\tend.xyz = mix( start.xyz, end.xyz, alpha );\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\t#ifdef USE_COLOR\n\n\t\t\t\tvColor.xyz = ( position.y < 0.5 ) ? instanceColorStart : instanceColorEnd;\n\n\t\t\t#endif\n\n\t\t\t#ifdef USE_DASH\n\n\t\t\t\tvLineDistance = ( position.y < 0.5 ) ? dashScale * instanceDistanceStart : dashScale * instanceDistanceEnd;\n\n\t\t\t#endif\n\n\t\t\tfloat aspect = resolution.x / resolution.y;\n\n\t\t\tvUv = uv;\n\n\t\t\t// camera space\n\t\t\tvec4 start = modelViewMatrix * vec4( instanceStart, 1.0 );\n\t\t\tvec4 end = modelViewMatrix * vec4( instanceEnd, 1.0 );\n\n\t\t\t// special case for perspective projection, and segments that terminate either in, or behind, the camera plane\n\t\t\t// clearly the gpu firmware has a way of addressing this issue when projecting into ndc space\n\t\t\t// but we need to perform ndc-space calculations in the shader, so we must address this issue directly\n\t\t\t// perhaps there is a more elegant solution -- WestLangley\n\n\t\t\tbool perspective = ( projectionMatrix[ 2 ][ 3 ] == - 1.0 ); // 4th entry in the 3rd column\n\n\t\t\tif ( perspective ) {\n\n\t\t\t\tif ( start.z < 0.0 && end.z >= 0.0 ) {\n\n\t\t\t\t\ttrimSegment( start, end );\n\n\t\t\t\t} else if ( end.z < 0.0 && start.z >= 0.0 ) {\n\n\t\t\t\t\ttrimSegment( end, start );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// clip space\n\t\t\tvec4 clipStart = projectionMatrix * start;\n\t\t\tvec4 clipEnd = projectionMatrix * end;\n\n\t\t\t// ndc space\n\t\t\tvec2 ndcStart = clipStart.xy / clipStart.w;\n\t\t\tvec2 ndcEnd = clipEnd.xy / clipEnd.w;\n\n\t\t\t// direction\n\t\t\tvec2 dir = ndcEnd - ndcStart;\n\n\t\t\t// account for clip-space aspect ratio\n\t\t\tdir.x *= aspect;\n\t\t\tdir = normalize( dir );\n\n\t\t\t// perpendicular to dir\n\t\t\tvec2 offset = vec2( dir.y, - dir.x );\n\n\t\t\t// undo aspect ratio adjustment\n\t\t\tdir.x /= aspect;\n\t\t\toffset.x /= aspect;\n\n\t\t\t// sign flip\n\t\t\tif ( position.x < 0.0 ) offset *= - 1.0;\n\n\t\t\t// endcaps\n\t\t\tif ( position.y < 0.0 ) {\n\n\t\t\t\toffset += - dir;\n\n\t\t\t} else if ( position.y > 1.0 ) {\n\n\t\t\t\toffset += dir;\n\n\t\t\t}\n\n\t\t\t// adjust for linewidth\n\t\t\toffset *= linewidth;\n\n\t\t\t// adjust for clip-space to screen-space conversion // maybe resolution should be based on viewport ...\n\t\t\toffset /= resolution.y;\n\n\t\t\t// select end\n\t\t\tvec4 clip = ( position.y < 0.5 ) ? clipStart : clipEnd;\n\n\t\t\t// back to clip space\n\t\t\toffset *= clip.w;\n\n\t\t\tclip.xy += offset;\n\n\t\t\tgl_Position = clip;\n\n\t\t\tvec4 mvPosition = ( position.y < 0.5 ) ? start : end; // this is an approximation\n\n\t\t\t#include \n\t\t\t#include \n\t\t\t#include \n\n\t\t}\n\t\t",fragmentShader:"\n\t\tuniform vec3 diffuse;\n\t\tuniform float opacity;\n\n\t\t#ifdef USE_DASH\n\n\t\t\tuniform float dashSize;\n\t\t\tuniform float gapSize;\n\n\t\t#endif\n\n\t\tvarying float vLineDistance;\n\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\t#include \n\n\t\t\t#ifdef USE_DASH\n\n\t\t\t\tif ( vUv.y < - 1.0 || vUv.y > 1.0 ) discard; // discard endcaps\n\n\t\t\t\tif ( mod( vLineDistance, dashSize + gapSize ) > dashSize ) discard; // todo - FIX\n\n\t\t\t#endif\n\n\t\t\tif ( abs( vUv.y ) > 1.0 ) {\n\n\t\t\t\tfloat a = vUv.x;\n\t\t\t\tfloat b = ( vUv.y > 0.0 ) ? vUv.y - 1.0 : vUv.y + 1.0;\n\t\t\t\tfloat len2 = a * a + b * b;\n\n\t\t\t\tif ( len2 > 1.0 ) discard;\n\n\t\t\t}\n\n\t\t\tvec4 diffuseColor = vec4( diffuse, opacity );\n\n\t\t\t#include \n\t\t\t#include \n\n\t\t\tgl_FragColor = vec4( diffuseColor.rgb, diffuseColor.a );\n\n\t\t\t#include \n\t\t\t#include \n\t\t\t#include \n\t\t\t#include \n\n\t\t}\n\t\t"};function fa(t){vn.call(this,{type:"LineMaterial",uniforms:un.clone(ua.line2.uniforms),vertexShader:ua.line2.vertexShader,fragmentShader:ua.line2.fragmentShader,clipping:!0}),this.dashed=!1,Object.defineProperties(this,{color:{enumerable:!0,get:function(){return this.uniforms.diffuse.value},set:function(t){this.uniforms.diffuse.value=t}},lineWidth:{enumerable:!0,get:function(){return this.uniforms.linewidth.value},set:function(t){this.uniforms.linewidth.value=t}},dashScale:{enumerable:!0,get:function(){return this.uniforms.dashScale.value},set:function(t){this.uniforms.dashScale.value=t}},dashSize:{enumerable:!0,get:function(){return this.uniforms.dashSize.value},set:function(t){this.uniforms.dashSize.value=t}},gapSize:{enumerable:!0,get:function(){return this.uniforms.gapSize.value},set:function(t){this.uniforms.gapSize.value=t}},resolution:{enumerable:!0,get:function(){return this.uniforms.resolution.value},set:function(t){this.uniforms.resolution.value.copy(t)}}}),this.setValues(t)}function da(t){return(da="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function va(t,n){for(var e=0;e20/this.P.children[1].userData.speed&&(n=(t=this.P.children[1].userData.colors).pop(),e=t.pop(),i=t.pop(),t.splice(0,0,n),t.splice(0,0,e),t.splice(0,0,i),this.P.children[1].geometry.setColors(t),this.P.children[1].userData.time=(new Date).getTime()),this.L.getRenderManager().renderer.render(this.P,this.L.getCamera())}}])&&Ma(t.prototype,n),i&&Ma(t,i),e}();Object.assign(ci.prototype,{U:function(){"basic"===this.L.getRenderManager().type&&this.L.setRenderManager(new ne)},R:function(t){this.Ot=void 0!==t.lineLength?t.lineLength:5,this.Ht={x:this.L.getX(),y:this.L.getY()},this.Xt=this.Gt(t.points),this.zt=this.Bt(t.points),this.Ct=t.backgroundColor,this.Nt=t.color,this.kt=this.Vt(),this.Yt=t.opacity,this.It=t.lineWidth,this.Ut=t.speed;var n=new ca;n.setPositions(this.zt),n.setColors(this.kt);t=new fa({lineWidth:this.It,vertexColors:!0});t.uniforms.opacity.value=this.Yt,t.resolution.set(this.L.getContainer().clientWidth,this.L.getContainer().clientHeight);t=new ya(n,t);t.userData.colors=this.kt,t.userData.speed=this.Ut,t.userData.time=(new Date).getTime(),this.P.add(t)},Gt:function(t){for(var n=0,e=0;e