diff --git a/build/three.js b/build/three.js
index 52fa0073a9384ac71261be3ed8881eeecd9c82d6..631f113d9e3e675e9c22f8f2c54fa43b24f9f047 100644
--- a/build/three.js
+++ b/build/three.js
@@ -4,7 +4,7 @@
  * @author mrdoob / http://mrdoob.com/
  */
 
-var THREE = { REVISION: '74' };
+var THREE = { REVISION: '75dev' };
 
 //
 
@@ -17204,7 +17204,7 @@ THREE.Light.prototype.toJSON = function ( meta ) {
 	if ( this.distance !== undefined ) data.object.distance = this.distance;
 	if ( this.angle !== undefined ) data.object.angle = this.angle;
 	if ( this.decay !== undefined ) data.object.decay = this.decay;
-	if ( this.exponent !== undefined ) data.object.exponent = this.exponent;
+	if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra;
 
 	return data;
 
@@ -17387,7 +17387,7 @@ THREE.PointLight.prototype.copy = function ( source ) {
  * @author alteredq / http://alteredqualia.com/
  */
 
-THREE.SpotLight = function ( color, intensity, distance, angle, exponent, decay ) {
+THREE.SpotLight = function ( color, intensity, distance, angle, penumbra, decay ) {
 
 	THREE.Light.call( this, color, intensity );
 
@@ -17400,7 +17400,7 @@ THREE.SpotLight = function ( color, intensity, distance, angle, exponent, decay
 
 	this.distance = ( distance !== undefined ) ? distance : 0;
 	this.angle = ( angle !== undefined ) ? angle : Math.PI / 3;
-	this.exponent = ( exponent !== undefined ) ? exponent : 10;
+	this.penumbra = ( penumbra !== undefined ) ? penumbra : 0;
 	this.decay = ( decay !== undefined ) ? decay : 1;	// for physically correct lights, should be 2.
 
 	this.shadow = new THREE.LightShadow( new THREE.PerspectiveCamera( 50, 1, 0.5, 500 ) );
@@ -17416,7 +17416,7 @@ THREE.SpotLight.prototype.copy = function ( source ) {
 
 	this.distance = source.distance;
 	this.angle = source.angle;
-	this.exponent = source.exponent;
+	this.penumbra = source.penumbra;
 	this.decay = source.decay;
 
 	this.target = source.target.clone();
@@ -19438,7 +19438,7 @@ THREE.ObjectLoader.prototype = {
 
 				case 'SpotLight':
 
-					object = new THREE.SpotLight( data.color, data.intensity, data.distance, data.angle, data.exponent, data.decay );
+					object = new THREE.SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay );
 
 					break;
 
@@ -22547,11 +22547,11 @@ THREE.Bone.prototype = Object.create( THREE.Object3D.prototype );
 THREE.Bone.prototype.constructor = THREE.Bone;
 
 THREE.Bone.prototype.copy = function ( source ) {
-	
+
 	THREE.Object3D.prototype.copy.call( this, source );
-	
+
 	this.skin = source.skin;
-	
+
 	return this;
 
 };
@@ -23469,7 +23469,7 @@ THREE.ShaderChunk[ 'lights_lambert_vertex' ] = "vec3 diffuse = vec3( 1.0 );\nGeo
 
 // File:src/renderers/shaders/ShaderChunk/lights_pars.glsl
 
-THREE.ShaderChunk[ 'lights_pars' ] = "#if NUM_DIR_LIGHTS > 0\n	struct DirectionalLight {\n		vec3 direction;\n		vec3 color;\n		int shadow;\n		float shadowBias;\n		float shadowRadius;\n		vec2 shadowMapSize;\n	};\n	uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n	IncidentLight getDirectionalDirectLight( const in DirectionalLight directionalLight, const in GeometricContext geometry ) {\n		IncidentLight directLight;\n		directLight.color = directionalLight.color;\n		directLight.direction = directionalLight.direction;\n		return directLight;\n	}\n#endif\n#if NUM_POINT_LIGHTS > 0\n	struct PointLight {\n		vec3 position;\n		vec3 color;\n		float distance;\n		float decay;\n		int shadow;\n		float shadowBias;\n		float shadowRadius;\n		vec2 shadowMapSize;\n	};\n	uniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n	IncidentLight getPointDirectLight( const in PointLight pointLight, const in GeometricContext geometry ) {\n		IncidentLight directLight;\n		vec3 lVector = pointLight.position - geometry.position;\n		directLight.direction = normalize( lVector );\n		directLight.color = pointLight.color;\n		directLight.color *= calcLightAttenuation( length( lVector ), pointLight.distance, pointLight.decay );\n		return directLight;\n	}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n	struct SpotLight {\n		vec3 position;\n		vec3 direction;\n		vec3 color;\n		float distance;\n		float decay;\n		float angleCos;\n		float exponent;\n		int shadow;\n		float shadowBias;\n		float shadowRadius;\n		vec2 shadowMapSize;\n	};\n	uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n	IncidentLight getSpotDirectLight( const in SpotLight spotLight, const in GeometricContext geometry ) {\n		IncidentLight directLight;\n		vec3 lVector = spotLight.position - geometry.position;\n		directLight.direction = normalize( lVector );\n		float spotEffect = dot( directLight.direction, spotLight.direction );\n		if ( spotEffect > spotLight.angleCos ) {\n			float spotEffect = dot( spotLight.direction, directLight.direction );\n			spotEffect = saturate( pow( saturate( spotEffect ), spotLight.exponent ) );\n			directLight.color = spotLight.color;\n			directLight.color *= ( spotEffect * calcLightAttenuation( length( lVector ), spotLight.distance, spotLight.decay ) );\n		} else {\n			directLight.color = vec3( 0.0 );\n		}\n		return directLight;\n	}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n	struct HemisphereLight {\n		vec3 direction;\n		vec3 skyColor;\n		vec3 groundColor;\n	};\n	uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n		float dotNL = dot( geometry.normal, hemiLight.direction );\n		float hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n		return PI * mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n	}\n#endif\n#if defined( USE_ENVMAP ) && defined( STANDARD )\n	vec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n		#ifdef DOUBLE_SIDED\n			float flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n		#else\n			float flipNormal = 1.0;\n		#endif\n		vec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n		#ifdef ENVMAP_TYPE_CUBE\n			vec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n			#ifdef TEXTURE_LOD_EXT\n				vec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n			#else\n				vec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n			#endif\n		#else\n			vec3 envMapColor = vec3( 0.0 );\n		#endif\n		envMapColor.rgb = inputToLinear( envMapColor.rgb );\n		return PI * envMapColor.rgb * envMapIntensity;\n	}\n	float getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n		float maxMIPLevelScalar = float( maxMIPLevel );\n		float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( square( blinnShininessExponent ) + 1.0 );\n		return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n	}\n	vec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n		#ifdef ENVMAP_MODE_REFLECTION\n			vec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n		#else\n			vec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n		#endif\n		#ifdef DOUBLE_SIDED\n			float flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n		#else\n			float flipNormal = 1.0;\n		#endif\n		reflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n		float specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n		#ifdef ENVMAP_TYPE_CUBE\n			vec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n			#ifdef TEXTURE_LOD_EXT\n				vec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n			#else\n				vec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n			#endif\n		#elif defined( ENVMAP_TYPE_EQUIREC )\n			vec2 sampleUV;\n			sampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n			sampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n			#ifdef TEXTURE_LOD_EXT\n				vec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n			#else\n				vec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n			#endif\n		#elif defined( ENVMAP_TYPE_SPHERE )\n			vec3 reflectView = flipNormal * normalize((viewMatrix * vec4( reflectVec, 0.0 )).xyz + vec3(0.0,0.0,1.0));\n			#ifdef TEXTURE_LOD_EXT\n				vec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n			#else\n				vec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n			#endif\n		#endif\n		envMapColor.rgb = inputToLinear( envMapColor.rgb );\n		return envMapColor.rgb * envMapIntensity;\n	}\n#endif\n";
+THREE.ShaderChunk[ 'lights_pars' ] = "#if NUM_DIR_LIGHTS > 0\n	struct DirectionalLight {\n		vec3 direction;\n		vec3 color;\n		int shadow;\n		float shadowBias;\n		float shadowRadius;\n		vec2 shadowMapSize;\n	};\n	uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n	IncidentLight getDirectionalDirectLight( const in DirectionalLight directionalLight, const in GeometricContext geometry ) {\n		IncidentLight directLight;\n		directLight.color = directionalLight.color;\n		directLight.direction = directionalLight.direction;\n		return directLight;\n	}\n#endif\n#if NUM_POINT_LIGHTS > 0\n	struct PointLight {\n		vec3 position;\n		vec3 color;\n		float distance;\n		float decay;\n		int shadow;\n		float shadowBias;\n		float shadowRadius;\n		vec2 shadowMapSize;\n	};\n	uniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n	IncidentLight getPointDirectLight( const in PointLight pointLight, const in GeometricContext geometry ) {\n		IncidentLight directLight;\n		vec3 lVector = pointLight.position - geometry.position;\n		directLight.direction = normalize( lVector );\n		directLight.color = pointLight.color;\n		directLight.color *= calcLightAttenuation( length( lVector ), pointLight.distance, pointLight.decay );\n		return directLight;\n	}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n	struct SpotLight {\n		vec3 position;\n		vec3 direction;\n		vec3 color;\n		float distance;\n		float decay;\n		float angleCos;\n		float penumbra;\n		int shadow;\n		float shadowBias;\n		float shadowRadius;\n		vec2 shadowMapSize;\n	};\n	uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n	IncidentLight getSpotDirectLight( const in SpotLight spotLight, const in GeometricContext geometry ) {\n		IncidentLight directLight;\n		vec3 lVector = spotLight.position - geometry.position;\n		directLight.direction = normalize( lVector );\n		float spotEffect = dot( directLight.direction, spotLight.direction );\n		if ( spotEffect > spotLight.angleCos ) {\n			float spotEffect = dot( spotLight.direction, directLight.direction );\n			spotEffect *= clamp( ( spotEffect - spotLight.angleCos ) / spotLight.penumbra, 0.0, 1.0 );\n			directLight.color = spotLight.color;\n			directLight.color *= ( spotEffect * calcLightAttenuation( length( lVector ), spotLight.distance, spotLight.decay ) );\n		} else {\n			directLight.color = vec3( 0.0 );\n		}\n		return directLight;\n	}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n	struct HemisphereLight {\n		vec3 direction;\n		vec3 skyColor;\n		vec3 groundColor;\n	};\n	uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n		float dotNL = dot( geometry.normal, hemiLight.direction );\n		float hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n		return PI * mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n	}\n#endif\n#if defined( USE_ENVMAP ) && defined( STANDARD )\n	vec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n		#ifdef DOUBLE_SIDED\n			float flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n		#else\n			float flipNormal = 1.0;\n		#endif\n		vec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n		#ifdef ENVMAP_TYPE_CUBE\n			vec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n			#ifdef TEXTURE_LOD_EXT\n				vec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n			#else\n				vec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n			#endif\n		#else\n			vec3 envMapColor = vec3( 0.0 );\n		#endif\n		envMapColor.rgb = inputToLinear( envMapColor.rgb );\n		return PI * envMapColor.rgb * envMapIntensity;\n	}\n	float getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n		float maxMIPLevelScalar = float( maxMIPLevel );\n		float desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( square( blinnShininessExponent ) + 1.0 );\n		return clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n	}\n	vec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n		#ifdef ENVMAP_MODE_REFLECTION\n			vec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n		#else\n			vec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n		#endif\n		#ifdef DOUBLE_SIDED\n			float flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n		#else\n			float flipNormal = 1.0;\n		#endif\n		reflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n		float specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n		#ifdef ENVMAP_TYPE_CUBE\n			vec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n			#ifdef TEXTURE_LOD_EXT\n				vec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n			#else\n				vec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n			#endif\n		#elif defined( ENVMAP_TYPE_EQUIREC )\n			vec2 sampleUV;\n			sampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n			sampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n			#ifdef TEXTURE_LOD_EXT\n				vec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n			#else\n				vec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n			#endif\n		#elif defined( ENVMAP_TYPE_SPHERE )\n			vec3 reflectView = flipNormal * normalize((viewMatrix * vec4( reflectVec, 0.0 )).xyz + vec3(0.0,0.0,1.0));\n			#ifdef TEXTURE_LOD_EXT\n				vec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n			#else\n				vec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n			#endif\n		#endif\n		envMapColor.rgb = inputToLinear( envMapColor.rgb );\n		return envMapColor.rgb * envMapIntensity;\n	}\n#endif\n";
 
 // File:src/renderers/shaders/ShaderChunk/lights_phong_fragment.glsl
 
@@ -23829,7 +23829,7 @@ THREE.UniformsLib = {
 			"direction": { type: "v3" },
 			"distance": { type: "f" },
 			"angleCos": { type: "f" },
-			"exponent": { type: "f" },
+			"penumbra": { type: "f" },
 			"decay": { type: "f" },
 
 			"shadow": { type: "i" },
@@ -27693,7 +27693,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 				uniforms.direction.transformDirection( viewMatrix );
 
 				uniforms.angleCos = Math.cos( light.angle );
-				uniforms.exponent = light.exponent;
+				uniforms.penumbra = Math.cos( light.angle ) * light.penumbra;
 				uniforms.decay = ( light.distance === 0 ) ? 0.0 : light.decay;
 
 				uniforms.shadow = light.castShadow;
@@ -29177,7 +29177,7 @@ THREE.WebGLLights = function () {
 					color: new THREE.Color(),
 					distance: 0,
 					angleCos: 0,
-					exponent: 0,
+					penumbra: 0,
 					decay: 0,
 
 					shadow: false,
diff --git a/build/three.min.js b/build/three.min.js
index 8055d2e0fd34b03ef4db8f824ae09d6f33601dab..41101bad65392f39ad36b7d317d4c40bf0895377 100644
--- a/build/three.min.js
+++ b/build/three.min.js
@@ -1,5 +1,5 @@
 // threejs.org/license
-'use strict';var THREE={REVISION:"74"};"function"===typeof define&&define.amd?define("three",THREE):"undefined"!==typeof exports&&"undefined"!==typeof module&&(module.exports=THREE);void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52));void 0===Math.sign&&(Math.sign=function(a){return 0>a?-1:0<a?1:+a});void 0===Function.prototype.name&&void 0!==Object.defineProperty&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*(\S*)\s*\(/)[1]}});
+'use strict';var THREE={REVISION:"75dev"};"function"===typeof define&&define.amd?define("three",THREE):"undefined"!==typeof exports&&"undefined"!==typeof module&&(module.exports=THREE);void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52));void 0===Math.sign&&(Math.sign=function(a){return 0>a?-1:0<a?1:+a});void 0===Function.prototype.name&&void 0!==Object.defineProperty&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*(\S*)\s*\(/)[1]}});
 void 0===Object.assign&&Object.defineProperty(Object,"assign",{writable:!0,configurable:!0,value:function(a){if(void 0===a||null===a)throw new TypeError("Cannot convert first argument to object");for(var b=Object(a),c=1,d=arguments.length;c!==d;++c){var e=arguments[c];if(void 0!==e&&null!==e)for(var e=Object(e),f=Object.keys(e),g=0,h=f.length;g!==h;++g){var k=f[g],m=Object.getOwnPropertyDescriptor(e,k);void 0!==m&&m.enumerable&&(b[k]=e[k])}}return b}});THREE.MOUSE={LEFT:0,MIDDLE:1,RIGHT:2};
 THREE.CullFaceNone=0;THREE.CullFaceBack=1;THREE.CullFaceFront=2;THREE.CullFaceFrontBack=3;THREE.FrontFaceDirectionCW=0;THREE.FrontFaceDirectionCCW=1;THREE.BasicShadowMap=0;THREE.PCFShadowMap=1;THREE.PCFSoftShadowMap=2;THREE.FrontSide=0;THREE.BackSide=1;THREE.DoubleSide=2;THREE.FlatShading=1;THREE.SmoothShading=2;THREE.NoColors=0;THREE.FaceColors=1;THREE.VertexColors=2;THREE.NoBlending=0;THREE.NormalBlending=1;THREE.AdditiveBlending=2;THREE.SubtractiveBlending=3;THREE.MultiplyBlending=4;
 THREE.CustomBlending=5;THREE.AddEquation=100;THREE.SubtractEquation=101;THREE.ReverseSubtractEquation=102;THREE.MinEquation=103;THREE.MaxEquation=104;THREE.ZeroFactor=200;THREE.OneFactor=201;THREE.SrcColorFactor=202;THREE.OneMinusSrcColorFactor=203;THREE.SrcAlphaFactor=204;THREE.OneMinusSrcAlphaFactor=205;THREE.DstAlphaFactor=206;THREE.OneMinusDstAlphaFactor=207;THREE.DstColorFactor=208;THREE.OneMinusDstColorFactor=209;THREE.SrcAlphaSaturateFactor=210;THREE.NeverDepth=0;THREE.AlwaysDepth=1;
@@ -356,14 +356,14 @@ THREE.StereoCamera=function(){this.type="StereoCamera";this.aspect=1;this.camera
 THREE.StereoCamera.prototype={constructor:THREE.StereoCamera,update:function(){var a,b,c,d,e,f=new THREE.Matrix4,g=new THREE.Matrix4;return function(h){if(a!==h.focalLength||b!==h.fov||c!==h.aspect*this.aspect||d!==h.near||e!==h.far){a=h.focalLength;b=h.fov;c=h.aspect*this.aspect;d=h.near;e=h.far;var k=h.projectionMatrix.clone(),m=.032*d/a,n=d*Math.tan(THREE.Math.degToRad(.5*b)),p,l;g.elements[12]=-.032;f.elements[12]=.032;p=-n*c+m;l=n*c+m;k.elements[0]=2*d/(l-p);k.elements[8]=(l+p)/(l-p);this.cameraL.projectionMatrix.copy(k);
 p=-n*c-m;l=n*c-m;k.elements[0]=2*d/(l-p);k.elements[8]=(l+p)/(l-p);this.cameraR.projectionMatrix.copy(k)}this.cameraL.matrixWorld.copy(h.matrixWorld).multiply(g);this.cameraR.matrixWorld.copy(h.matrixWorld).multiply(f)}}()};THREE.Light=function(a,b){THREE.Object3D.call(this);this.type="Light";this.color=new THREE.Color(a);this.intensity=void 0!==b?b:1;this.receiveShadow=void 0};THREE.Light.prototype=Object.create(THREE.Object3D.prototype);THREE.Light.prototype.constructor=THREE.Light;
 THREE.Light.prototype.copy=function(a){THREE.Object3D.prototype.copy.call(this,a);this.color.copy(a.color);this.intensity=a.intensity;return this};
-THREE.Light.prototype.toJSON=function(a){a=THREE.Object3D.prototype.toJSON.call(this,a);a.object.color=this.color.getHex();a.object.intensity=this.intensity;void 0!==this.groundColor&&(a.object.groundColor=this.groundColor.getHex());void 0!==this.distance&&(a.object.distance=this.distance);void 0!==this.angle&&(a.object.angle=this.angle);void 0!==this.decay&&(a.object.decay=this.decay);void 0!==this.exponent&&(a.object.exponent=this.exponent);return a};
+THREE.Light.prototype.toJSON=function(a){a=THREE.Object3D.prototype.toJSON.call(this,a);a.object.color=this.color.getHex();a.object.intensity=this.intensity;void 0!==this.groundColor&&(a.object.groundColor=this.groundColor.getHex());void 0!==this.distance&&(a.object.distance=this.distance);void 0!==this.angle&&(a.object.angle=this.angle);void 0!==this.decay&&(a.object.decay=this.decay);void 0!==this.penumbra&&(a.object.penumbra=this.penumbra);return a};
 THREE.LightShadow=function(a){this.camera=a;this.bias=0;this.radius=1;this.mapSize=new THREE.Vector2(512,512);this.map=null;this.matrix=new THREE.Matrix4};THREE.LightShadow.prototype={constructor:THREE.LightShadow,copy:function(a){this.camera=a.camera.clone();this.bias=a.bias;this.radius=a.radius;this.mapSize.copy(a.mapSize);return this},clone:function(){return(new this.constructor).copy(this)}};THREE.AmbientLight=function(a,b){THREE.Light.call(this,a,b);this.type="AmbientLight";this.castShadow=void 0};
 THREE.AmbientLight.prototype=Object.create(THREE.Light.prototype);THREE.AmbientLight.prototype.constructor=THREE.AmbientLight;THREE.DirectionalLight=function(a,b){THREE.Light.call(this,a,b);this.type="DirectionalLight";this.position.set(0,1,0);this.updateMatrix();this.target=new THREE.Object3D;this.shadow=new THREE.LightShadow(new THREE.OrthographicCamera(-5,5,5,-5,.5,500))};THREE.DirectionalLight.prototype=Object.create(THREE.Light.prototype);THREE.DirectionalLight.prototype.constructor=THREE.DirectionalLight;
 THREE.DirectionalLight.prototype.copy=function(a){THREE.Light.prototype.copy.call(this,a);this.target=a.target.clone();this.shadow=a.shadow.clone();return this};THREE.HemisphereLight=function(a,b,c){THREE.Light.call(this,a,c);this.type="HemisphereLight";this.castShadow=void 0;this.position.set(0,1,0);this.updateMatrix();this.groundColor=new THREE.Color(b)};THREE.HemisphereLight.prototype=Object.create(THREE.Light.prototype);THREE.HemisphereLight.prototype.constructor=THREE.HemisphereLight;
 THREE.HemisphereLight.prototype.copy=function(a){THREE.Light.prototype.copy.call(this,a);this.groundColor.copy(a.groundColor);return this};THREE.PointLight=function(a,b,c,d){THREE.Light.call(this,a,b);this.type="PointLight";this.distance=void 0!==c?c:0;this.decay=void 0!==d?d:1;this.shadow=new THREE.LightShadow(new THREE.PerspectiveCamera(90,1,.5,500))};THREE.PointLight.prototype=Object.create(THREE.Light.prototype);THREE.PointLight.prototype.constructor=THREE.PointLight;
 THREE.PointLight.prototype.copy=function(a){THREE.Light.prototype.copy.call(this,a);this.distance=a.distance;this.decay=a.decay;this.shadow=a.shadow.clone();return this};
-THREE.SpotLight=function(a,b,c,d,e,f){THREE.Light.call(this,a,b);this.type="SpotLight";this.position.set(0,1,0);this.updateMatrix();this.target=new THREE.Object3D;this.distance=void 0!==c?c:0;this.angle=void 0!==d?d:Math.PI/3;this.exponent=void 0!==e?e:10;this.decay=void 0!==f?f:1;this.shadow=new THREE.LightShadow(new THREE.PerspectiveCamera(50,1,.5,500))};THREE.SpotLight.prototype=Object.create(THREE.Light.prototype);THREE.SpotLight.prototype.constructor=THREE.SpotLight;
-THREE.SpotLight.prototype.copy=function(a){THREE.Light.prototype.copy.call(this,a);this.distance=a.distance;this.angle=a.angle;this.exponent=a.exponent;this.decay=a.decay;this.target=a.target.clone();this.shadow=a.shadow.clone();return this};THREE.Cache={enabled:!1,files:{},add:function(a,b){!1!==this.enabled&&(this.files[a]=b)},get:function(a){if(!1!==this.enabled)return this.files[a]},remove:function(a){delete this.files[a]},clear:function(){this.files={}}};
+THREE.SpotLight=function(a,b,c,d,e,f){THREE.Light.call(this,a,b);this.type="SpotLight";this.position.set(0,1,0);this.updateMatrix();this.target=new THREE.Object3D;this.distance=void 0!==c?c:0;this.angle=void 0!==d?d:Math.PI/3;this.penumbra=void 0!==e?e:0;this.decay=void 0!==f?f:1;this.shadow=new THREE.LightShadow(new THREE.PerspectiveCamera(50,1,.5,500))};THREE.SpotLight.prototype=Object.create(THREE.Light.prototype);THREE.SpotLight.prototype.constructor=THREE.SpotLight;
+THREE.SpotLight.prototype.copy=function(a){THREE.Light.prototype.copy.call(this,a);this.distance=a.distance;this.angle=a.angle;this.penumbra=a.penumbra;this.decay=a.decay;this.target=a.target.clone();this.shadow=a.shadow.clone();return this};THREE.Cache={enabled:!1,files:{},add:function(a,b){!1!==this.enabled&&(this.files[a]=b)},get:function(a){if(!1!==this.enabled)return this.files[a]},remove:function(a){delete this.files[a]},clear:function(){this.files={}}};
 THREE.Loader=function(){this.onLoadStart=function(){};this.onLoadProgress=function(){};this.onLoadComplete=function(){}};
 THREE.Loader.prototype={constructor:THREE.Loader,crossOrigin:void 0,extractUrlBase:function(a){a=a.split("/");if(1===a.length)return"./";a.pop();return a.join("/")+"/"},initMaterials:function(a,b,c){for(var d=[],e=0;e<a.length;++e)d[e]=this.createMaterial(a[e],b,c);return d},createMaterial:function(){var a,b,c;return function(d,e,f){function g(a,c,d,g,k){a=e+a;var m=THREE.Loader.Handlers.get(a);null!==m?a=m.load(a):(b.setCrossOrigin(f),a=b.load(a));void 0!==c&&(a.repeat.fromArray(c),1!==c[0]&&(a.wrapS=
 THREE.RepeatWrapping),1!==c[1]&&(a.wrapT=THREE.RepeatWrapping));void 0!==d&&a.offset.fromArray(d);void 0!==g&&("repeat"===g[0]&&(a.wrapS=THREE.RepeatWrapping),"mirror"===g[0]&&(a.wrapS=THREE.MirroredRepeatWrapping),"repeat"===g[1]&&(a.wrapT=THREE.RepeatWrapping),"mirror"===g[1]&&(a.wrapT=THREE.MirroredRepeatWrapping));void 0!==k&&(a.anisotropy=k);c=THREE.Math.generateUUID();h[c]=a;return c}void 0===a&&(a=new THREE.Color);void 0===b&&(b=new THREE.TextureLoader);void 0===c&&(c=new THREE.MaterialLoader);
@@ -411,7 +411,7 @@ g}}return c},parseAnimations:function(a){for(var b=[],c=0;c<a.length;c++){var d=
 c(m)}}return e},parseTextures:function(a,b){function c(a){if("number"===typeof a)return a;console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.",a);return THREE[a]}var d={};if(void 0!==a)for(var e=0,f=a.length;e<f;e++){var g=a[e];void 0===g.image&&console.warn('THREE.ObjectLoader: No "image" specified for',g.uuid);void 0===b[g.image]&&console.warn("THREE.ObjectLoader: Undefined image",g.image);var h=new THREE.Texture(b[g.image]);h.needsUpdate=!0;h.uuid=g.uuid;void 0!==
 g.name&&(h.name=g.name);void 0!==g.mapping&&(h.mapping=c(g.mapping));void 0!==g.offset&&(h.offset=new THREE.Vector2(g.offset[0],g.offset[1]));void 0!==g.repeat&&(h.repeat=new THREE.Vector2(g.repeat[0],g.repeat[1]));void 0!==g.minFilter&&(h.minFilter=c(g.minFilter));void 0!==g.magFilter&&(h.magFilter=c(g.magFilter));void 0!==g.anisotropy&&(h.anisotropy=g.anisotropy);Array.isArray(g.wrap)&&(h.wrapS=c(g.wrap[0]),h.wrapT=c(g.wrap[1]));d[g.uuid]=h}return d},parseObject:function(){var a=new THREE.Matrix4;
 return function(b,c,d){function e(a){void 0===c[a]&&console.warn("THREE.ObjectLoader: Undefined geometry",a);return c[a]}function f(a){if(void 0!==a)return void 0===d[a]&&console.warn("THREE.ObjectLoader: Undefined material",a),d[a]}var g;switch(b.type){case "Scene":g=new THREE.Scene;break;case "PerspectiveCamera":g=new THREE.PerspectiveCamera(b.fov,b.aspect,b.near,b.far);break;case "OrthographicCamera":g=new THREE.OrthographicCamera(b.left,b.right,b.top,b.bottom,b.near,b.far);break;case "AmbientLight":g=
-new THREE.AmbientLight(b.color,b.intensity);break;case "DirectionalLight":g=new THREE.DirectionalLight(b.color,b.intensity);break;case "PointLight":g=new THREE.PointLight(b.color,b.intensity,b.distance,b.decay);break;case "SpotLight":g=new THREE.SpotLight(b.color,b.intensity,b.distance,b.angle,b.exponent,b.decay);break;case "HemisphereLight":g=new THREE.HemisphereLight(b.color,b.groundColor,b.intensity);break;case "Mesh":g=e(b.geometry);var h=f(b.material);g=g.bones&&0<g.bones.length?new THREE.SkinnedMesh(g,
+new THREE.AmbientLight(b.color,b.intensity);break;case "DirectionalLight":g=new THREE.DirectionalLight(b.color,b.intensity);break;case "PointLight":g=new THREE.PointLight(b.color,b.intensity,b.distance,b.decay);break;case "SpotLight":g=new THREE.SpotLight(b.color,b.intensity,b.distance,b.angle,b.penumbra,b.decay);break;case "HemisphereLight":g=new THREE.HemisphereLight(b.color,b.groundColor,b.intensity);break;case "Mesh":g=e(b.geometry);var h=f(b.material);g=g.bones&&0<g.bones.length?new THREE.SkinnedMesh(g,
 h):new THREE.Mesh(g,h);break;case "LOD":g=new THREE.LOD;break;case "Line":g=new THREE.Line(e(b.geometry),f(b.material),b.mode);break;case "PointCloud":case "Points":g=new THREE.Points(e(b.geometry),f(b.material));break;case "Sprite":g=new THREE.Sprite(f(b.material));break;case "Group":g=new THREE.Group;break;default:g=new THREE.Object3D}g.uuid=b.uuid;void 0!==b.name&&(g.name=b.name);void 0!==b.matrix?(a.fromArray(b.matrix),a.decompose(g.position,g.quaternion,g.scale)):(void 0!==b.position&&g.position.fromArray(b.position),
 void 0!==b.rotation&&g.rotation.fromArray(b.rotation),void 0!==b.scale&&g.scale.fromArray(b.scale));void 0!==b.castShadow&&(g.castShadow=b.castShadow);void 0!==b.receiveShadow&&(g.receiveShadow=b.receiveShadow);void 0!==b.visible&&(g.visible=b.visible);void 0!==b.userData&&(g.userData=b.userData);if(void 0!==b.children)for(var k in b.children)g.add(this.parseObject(b.children[k],c,d));if("LOD"===b.type)for(b=b.levels,h=0;h<b.length;h++){var m=b[h];k=g.getObjectByProperty("uuid",m.object);void 0!==
 k&&g.addLevel(k,m.distance)}return g}}()};THREE.TextureLoader=function(a){this.manager=void 0!==a?a:THREE.DefaultLoadingManager};THREE.TextureLoader.prototype={constructor:THREE.TextureLoader,load:function(a,b,c,d){var e=new THREE.Texture,f=new THREE.ImageLoader(this.manager);f.setCrossOrigin(this.crossOrigin);f.setPath(this.path);f.load(a,function(a){e.image=a;e.needsUpdate=!0;void 0!==b&&b(e)},c,d);return e},setCrossOrigin:function(a){this.crossOrigin=a},setPath:function(a){this.path=a}};
@@ -527,7 +527,7 @@ THREE.ShaderChunk.envmap_pars_vertex="#if defined( USE_ENVMAP ) && ! defined( US
 THREE.ShaderChunk.fog_fragment="#ifdef USE_FOG\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tfloat depth = gl_FragDepthEXT / gl_FragCoord.w;\n\t#else\n\t\tfloat depth = gl_FragCoord.z / gl_FragCoord.w;\n\t#endif\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, depth );\n\t#endif\n\t\n\toutgoingLight = mix( outgoingLight, fogColor, fogFactor );\n#endif";
 THREE.ShaderChunk.fog_pars_fragment="#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif";THREE.ShaderChunk.lightmap_fragment="#ifdef USE_LIGHTMAP\n\treflectedLight.indirectDiffuse += PI * texture2D( lightMap, vUv2 ).xyz * lightMapIntensity;\n#endif\n";THREE.ShaderChunk.lightmap_pars_fragment="#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif";
 THREE.ShaderChunk.lights_lambert_vertex="vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\n#if NUM_POINT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tdirectLight = getPointDirectLight( pointLights[ i ], geometry );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tdirectLight = getSpotDirectLight( spotLights[ i ], geometry );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_DIR_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectLight = getDirectionalDirectLight( directionalLights[ i ], geometry );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvLightFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n#endif\n";
-THREE.ShaderChunk.lights_pars="#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tIncidentLight getDirectionalDirectLight( const in DirectionalLight directionalLight, const in GeometricContext geometry ) {\n\t\tIncidentLight directLight;\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\treturn directLight;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tIncidentLight getPointDirectLight( const in PointLight pointLight, const in GeometricContext geometry ) {\n\t\tIncidentLight directLight;\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= calcLightAttenuation( length( lVector ), pointLight.distance, pointLight.decay );\n\t\treturn directLight;\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat angleCos;\n\t\tfloat exponent;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tIncidentLight getSpotDirectLight( const in SpotLight spotLight, const in GeometricContext geometry ) {\n\t\tIncidentLight directLight;\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat spotEffect = dot( directLight.direction, spotLight.direction );\n\t\tif ( spotEffect > spotLight.angleCos ) {\n\t\t\tfloat spotEffect = dot( spotLight.direction, directLight.direction );\n\t\t\tspotEffect = saturate( pow( saturate( spotEffect ), spotLight.exponent ) );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= ( spotEffect * calcLightAttenuation( length( lVector ), spotLight.distance, spotLight.decay ) );\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t}\n\t\treturn directLight;\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\treturn PI * mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t}\n#endif\n#if defined( USE_ENVMAP ) && defined( STANDARD )\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#else\n\t\t\tfloat flipNormal = 1.0;\n\t\t#endif\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t#else\n\t\t\tvec3 envMapColor = vec3( 0.0 );\n\t\t#endif\n\t\tenvMapColor.rgb = inputToLinear( envMapColor.rgb );\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( square( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#else\n\t\t\tfloat flipNormal = 1.0;\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = flipNormal * normalize((viewMatrix * vec4( reflectVec, 0.0 )).xyz + vec3(0.0,0.0,1.0));\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t#endif\n\t\tenvMapColor.rgb = inputToLinear( envMapColor.rgb );\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif\n";
+THREE.ShaderChunk.lights_pars="#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tIncidentLight getDirectionalDirectLight( const in DirectionalLight directionalLight, const in GeometricContext geometry ) {\n\t\tIncidentLight directLight;\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\treturn directLight;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tIncidentLight getPointDirectLight( const in PointLight pointLight, const in GeometricContext geometry ) {\n\t\tIncidentLight directLight;\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= calcLightAttenuation( length( lVector ), pointLight.distance, pointLight.decay );\n\t\treturn directLight;\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat angleCos;\n\t\tfloat penumbra;\n\t\tint shadow;\n\t\tfloat shadowBias;\n\t\tfloat shadowRadius;\n\t\tvec2 shadowMapSize;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tIncidentLight getSpotDirectLight( const in SpotLight spotLight, const in GeometricContext geometry ) {\n\t\tIncidentLight directLight;\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat spotEffect = dot( directLight.direction, spotLight.direction );\n\t\tif ( spotEffect > spotLight.angleCos ) {\n\t\t\tfloat spotEffect = dot( spotLight.direction, directLight.direction );\n\t\t\tspotEffect *= clamp( ( spotEffect - spotLight.angleCos ) / spotLight.penumbra, 0.0, 1.0 );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= ( spotEffect * calcLightAttenuation( length( lVector ), spotLight.distance, spotLight.decay ) );\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t}\n\t\treturn directLight;\n\t}\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\treturn PI * mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t}\n#endif\n#if defined( USE_ENVMAP ) && defined( STANDARD )\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#else\n\t\t\tfloat flipNormal = 1.0;\n\t\t#endif\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = flipNormal * vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t#else\n\t\t\tvec3 envMapColor = vec3( 0.0 );\n\t\t#endif\n\t\tenvMapColor.rgb = inputToLinear( envMapColor.rgb );\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar - 0.79248 - 0.5 * log2( square( blinnShininessExponent ) + 1.0 );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in GeometricContext geometry, const in float blinnShininessExponent, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -geometry.viewDir, geometry.normal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -geometry.viewDir, geometry.normal, refractionRatio );\n\t\t#endif\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tfloat flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#else\n\t\t\tfloat flipNormal = 1.0;\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( blinnShininessExponent, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV;\n\t\t\tsampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );\n\t\t\tsampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = flipNormal * normalize((viewMatrix * vec4( reflectVec, 0.0 )).xyz + vec3(0.0,0.0,1.0));\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t#endif\n\t\tenvMapColor.rgb = inputToLinear( envMapColor.rgb );\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif\n";
 THREE.ShaderChunk.lights_phong_fragment="BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;\n";THREE.ShaderChunk.lights_phong_pars_fragment="#ifdef USE_ENVMAP\n\tvarying vec3 vWorldPosition;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * PI * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)\n";
 THREE.ShaderChunk.lights_phong_pars_vertex="#ifdef USE_ENVMAP\n\tvarying vec3 vWorldPosition;\n#endif\n";THREE.ShaderChunk.lights_phong_vertex="#ifdef USE_ENVMAP\n\tvWorldPosition = worldPosition.xyz;\n#endif\n";THREE.ShaderChunk.lights_standard_fragment="StandardMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.specularRoughness = clamp( roughnessFactor, 0.04, 1.0 );\nmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n";
 THREE.ShaderChunk.lights_standard_pars_fragment="struct StandardMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n};\nvoid RE_Direct_Standard( const in IncidentLight directLight, const in GeometricContext geometry, const in StandardMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * PI * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_GGX( directLight, geometry, material.specularColor, material.specularRoughness );\n}\nvoid RE_IndirectDiffuse_Standard( const in vec3 irradiance, const in GeometricContext geometry, const in StandardMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Standard( const in vec3 radiance, const in GeometricContext geometry, const in StandardMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectSpecular += radiance * BRDF_Specular_GGX_Environment( geometry, material.specularColor, material.specularRoughness );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Standard\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Standard\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Standard\n#define Material_BlinnShininessExponent( material )   GGXRoughnessToBlinnExponent( material.specularRoughness )\n";
@@ -553,7 +553,7 @@ THREE.UniformsUtils={merge:function(a){for(var b={},c=0;c<a.length;c++){var d=th
 THREE.UniformsLib={common:{diffuse:{type:"c",value:new THREE.Color(15658734)},opacity:{type:"f",value:1},map:{type:"t",value:null},offsetRepeat:{type:"v4",value:new THREE.Vector4(0,0,1,1)},specularMap:{type:"t",value:null},alphaMap:{type:"t",value:null},envMap:{type:"t",value:null},flipEnvMap:{type:"f",value:-1},reflectivity:{type:"f",value:1},refractionRatio:{type:"f",value:.98}},aomap:{aoMap:{type:"t",value:null},aoMapIntensity:{type:"f",value:1}},lightmap:{lightMap:{type:"t",value:null},lightMapIntensity:{type:"f",
 value:1}},emissivemap:{emissiveMap:{type:"t",value:null}},bumpmap:{bumpMap:{type:"t",value:null},bumpScale:{type:"f",value:1}},normalmap:{normalMap:{type:"t",value:null},normalScale:{type:"v2",value:new THREE.Vector2(1,1)}},displacementmap:{displacementMap:{type:"t",value:null},displacementScale:{type:"f",value:1},displacementBias:{type:"f",value:0}},roughnessmap:{roughnessMap:{type:"t",value:null}},metalnessmap:{metalnessMap:{type:"t",value:null}},fog:{fogDensity:{type:"f",value:2.5E-4},fogNear:{type:"f",
 value:1},fogFar:{type:"f",value:2E3},fogColor:{type:"c",value:new THREE.Color(16777215)}},ambient:{ambientLightColor:{type:"fv",value:[]}},lights:{directionalLights:{type:"sa",value:[],properties:{direction:{type:"v3"},color:{type:"c"},shadow:{type:"i"},shadowBias:{type:"f"},shadowRadius:{type:"f"},shadowMapSize:{type:"v2"}}},directionalShadowMap:{type:"tv",value:[]},directionalShadowMatrix:{type:"m4v",value:[]},spotLights:{type:"sa",value:[],properties:{color:{type:"c"},position:{type:"v3"},direction:{type:"v3"},
-distance:{type:"f"},angleCos:{type:"f"},exponent:{type:"f"},decay:{type:"f"},shadow:{type:"i"},shadowBias:{type:"f"},shadowRadius:{type:"f"},shadowMapSize:{type:"v2"}}},spotShadowMap:{type:"tv",value:[]},spotShadowMatrix:{type:"m4v",value:[]},pointLights:{type:"sa",value:[],properties:{color:{type:"c"},position:{type:"v3"},decay:{type:"f"},distance:{type:"f"},shadow:{type:"i"},shadowBias:{type:"f"},shadowRadius:{type:"f"},shadowMapSize:{type:"v2"}}},pointShadowMap:{type:"tv",value:[]},pointShadowMatrix:{type:"m4v",
+distance:{type:"f"},angleCos:{type:"f"},penumbra:{type:"f"},decay:{type:"f"},shadow:{type:"i"},shadowBias:{type:"f"},shadowRadius:{type:"f"},shadowMapSize:{type:"v2"}}},spotShadowMap:{type:"tv",value:[]},spotShadowMatrix:{type:"m4v",value:[]},pointLights:{type:"sa",value:[],properties:{color:{type:"c"},position:{type:"v3"},decay:{type:"f"},distance:{type:"f"},shadow:{type:"i"},shadowBias:{type:"f"},shadowRadius:{type:"f"},shadowMapSize:{type:"v2"}}},pointShadowMap:{type:"tv",value:[]},pointShadowMatrix:{type:"m4v",
 value:[]},hemisphereLights:{type:"sa",value:[],properties:{direction:{type:"v3"},skyColor:{type:"c"},groundColor:{type:"c"}}}},points:{diffuse:{type:"c",value:new THREE.Color(15658734)},opacity:{type:"f",value:1},size:{type:"f",value:1},scale:{type:"f",value:1},map:{type:"t",value:null},offsetRepeat:{type:"v4",value:new THREE.Vector4(0,0,1,1)}}};
 THREE.ShaderLib={basic:{uniforms:THREE.UniformsUtils.merge([THREE.UniformsLib.common,THREE.UniformsLib.aomap,THREE.UniformsLib.fog]),vertexShader:[THREE.ShaderChunk.common,THREE.ShaderChunk.uv_pars_vertex,THREE.ShaderChunk.uv2_pars_vertex,THREE.ShaderChunk.envmap_pars_vertex,THREE.ShaderChunk.color_pars_vertex,THREE.ShaderChunk.morphtarget_pars_vertex,THREE.ShaderChunk.skinning_pars_vertex,THREE.ShaderChunk.shadowmap_pars_vertex,THREE.ShaderChunk.logdepthbuf_pars_vertex,"void main() {",THREE.ShaderChunk.uv_vertex,
 THREE.ShaderChunk.uv2_vertex,THREE.ShaderChunk.color_vertex,THREE.ShaderChunk.skinbase_vertex,"\t#ifdef USE_ENVMAP",THREE.ShaderChunk.beginnormal_vertex,THREE.ShaderChunk.morphnormal_vertex,THREE.ShaderChunk.skinnormal_vertex,THREE.ShaderChunk.defaultnormal_vertex,"\t#endif",THREE.ShaderChunk.begin_vertex,THREE.ShaderChunk.morphtarget_vertex,THREE.ShaderChunk.skinning_vertex,THREE.ShaderChunk.project_vertex,THREE.ShaderChunk.logdepthbuf_vertex,THREE.ShaderChunk.worldpos_vertex,THREE.ShaderChunk.envmap_vertex,
@@ -657,7 +657,7 @@ else switch(e.drawMode){case THREE.TrianglesDrawMode:a.setMode(r.TRIANGLES);brea
 f,q):a.render(f,q)};this.render=function(a,b,c,d){if(!1===b instanceof THREE.Camera)console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");else{var e=a.fog;ma="";qa=-1;la=null;!0===a.autoUpdate&&a.updateMatrixWorld();null===b.parent&&b.updateMatrixWorld();b.matrixWorldInverse.getInverse(b.matrixWorld);ra.multiplyMatrices(b.projectionMatrix,b.matrixWorldInverse);ya.setFromMatrix(ra);R.length=0;W=E=-1;ia.length=0;da.length=0;q(a,b);M.length=E+1;V.length=W+1;!0===Y.sortObjects&&
 (M.sort(n),V.sort(p));var f=R,g,h,k,l=0,m=0,w=0,s,v,u,x=b.matrixWorldInverse,C=0,B=0,A=0,y=0,F=0;g=S.shadowsPointLight=0;for(h=f.length;g<h;g++)if(k=f[g],s=k.color,v=k.intensity,u=k.distance,k instanceof THREE.AmbientLight)l+=s.r*v,m+=s.g*v,w+=s.b*v;else if(k instanceof THREE.DirectionalLight){var z=wa.get(k);z.color.copy(k.color).multiplyScalar(k.intensity);z.direction.setFromMatrixPosition(k.matrixWorld);X.setFromMatrixPosition(k.target.matrixWorld);z.direction.sub(X);z.direction.transformDirection(x);
 if(z.shadow=k.castShadow)z.shadowBias=k.shadow.bias,z.shadowRadius=k.shadow.radius,z.shadowMapSize=k.shadow.mapSize,S.shadows[F++]=k;S.directionalShadowMap[C]=k.shadow.map;S.directionalShadowMatrix[C]=k.shadow.matrix;S.directional[C++]=z}else if(k instanceof THREE.SpotLight){z=wa.get(k);z.position.setFromMatrixPosition(k.matrixWorld);z.position.applyMatrix4(x);z.color.copy(s).multiplyScalar(v);z.distance=u;z.direction.setFromMatrixPosition(k.matrixWorld);X.setFromMatrixPosition(k.target.matrixWorld);
-z.direction.sub(X);z.direction.transformDirection(x);z.angleCos=Math.cos(k.angle);z.exponent=k.exponent;z.decay=0===k.distance?0:k.decay;if(z.shadow=k.castShadow)z.shadowBias=k.shadow.bias,z.shadowRadius=k.shadow.radius,z.shadowMapSize=k.shadow.mapSize,S.shadows[F++]=k;S.spotShadowMap[A]=k.shadow.map;S.spotShadowMatrix[A]=k.shadow.matrix;S.spot[A++]=z}else if(k instanceof THREE.PointLight){z=wa.get(k);z.position.setFromMatrixPosition(k.matrixWorld);z.position.applyMatrix4(x);z.color.copy(k.color).multiplyScalar(k.intensity);
+z.direction.sub(X);z.direction.transformDirection(x);z.angleCos=Math.cos(k.angle);z.penumbra=Math.cos(k.angle)*k.penumbra;z.decay=0===k.distance?0:k.decay;if(z.shadow=k.castShadow)z.shadowBias=k.shadow.bias,z.shadowRadius=k.shadow.radius,z.shadowMapSize=k.shadow.mapSize,S.shadows[F++]=k;S.spotShadowMap[A]=k.shadow.map;S.spotShadowMatrix[A]=k.shadow.matrix;S.spot[A++]=z}else if(k instanceof THREE.PointLight){z=wa.get(k);z.position.setFromMatrixPosition(k.matrixWorld);z.position.applyMatrix4(x);z.color.copy(k.color).multiplyScalar(k.intensity);
 z.distance=k.distance;z.decay=0===k.distance?0:k.decay;if(z.shadow=k.castShadow)z.shadowBias=k.shadow.bias,z.shadowRadius=k.shadow.radius,z.shadowMapSize=k.shadow.mapSize,S.shadows[F++]=k;S.pointShadowMap[B]=k.shadow.map;void 0===S.pointShadowMatrix[B]&&(S.pointShadowMatrix[B]=new THREE.Matrix4);X.setFromMatrixPosition(k.matrixWorld).negate();S.pointShadowMatrix[B].identity().setPosition(X);S.point[B++]=z}else k instanceof THREE.HemisphereLight&&(z=wa.get(k),z.direction.setFromMatrixPosition(k.matrixWorld),
 z.direction.transformDirection(x),z.direction.normalize(),z.skyColor.copy(k.color).multiplyScalar(v),z.groundColor.copy(k.groundColor).multiplyScalar(v),S.hemi[y++]=z);S.ambient[0]=l;S.ambient[1]=m;S.ambient[2]=w;S.directional.length=C;S.spot.length=A;S.point.length=B;S.hemi.length=y;S.shadows.length=F;S.hash=C+","+B+","+A+","+y+","+F;Ba.render(a,b);ea.calls=0;ea.vertices=0;ea.faces=0;ea.points=0;void 0===c&&(c=null);this.setRenderTarget(c);(this.autoClear||d)&&this.clear(this.autoClearColor,this.autoClearDepth,
 this.autoClearStencil);a.overrideMaterial?(d=a.overrideMaterial,t(M,b,e,d),t(V,b,e,d)):(H.setBlending(THREE.NoBlending),t(M,b,e),t(V,b,e));Fa.render(a,b);Ga.render(a,b,ja);c&&(a=c.texture,a.generateMipmaps&&D(c)&&a.minFilter!==THREE.NearestFilter&&a.minFilter!==THREE.LinearFilter&&(a=c instanceof THREE.WebGLRenderTargetCube?r.TEXTURE_CUBE_MAP:r.TEXTURE_2D,c=T.get(c.texture).__webglTexture,H.bindTexture(a,c),r.generateMipmap(a),H.bindTexture(a,null)));H.setDepthTest(!0);H.setDepthWrite(!0);H.setColorWrite(!0)}};
@@ -686,7 +686,7 @@ this.logarithmicDepthBuffer=void 0!==c.logarithmicDepthBuffer?c.logarithmicDepth
 this.maxFragmentUniforms=a.getParameter(a.MAX_FRAGMENT_UNIFORM_VECTORS);this.vertexTextures=0<this.maxVertexTextures;this.floatFragmentTextures=!!b.get("OES_texture_float");this.floatVertexTextures=this.vertexTextures&&this.floatFragmentTextures;c=d(this.precision);c!==this.precision&&(console.warn("THREE.WebGLRenderer:",this.precision,"not supported, using",c,"instead."),this.precision=c);this.logarithmicDepthBuffer&&(this.logarithmicDepthBuffer=!!b.get("EXT_frag_depth"))};
 THREE.WebGLGeometries=function(a,b,c){function d(a){var h=a.target;a=f[h.id];null!==a.index&&e(a.index);var k=a.attributes,m;for(m in k)e(k[m]);h.removeEventListener("dispose",d);delete f[h.id];m=b.get(h);m.wireframe&&e(m.wireframe);b.delete(h);h=b.get(a);h.wireframe&&e(h.wireframe);b.delete(a);c.memory.geometries--}function e(c){var d;d=c instanceof THREE.InterleavedBufferAttribute?b.get(c.data).__webglBuffer:b.get(c).__webglBuffer;void 0!==d&&(a.deleteBuffer(d),c instanceof THREE.InterleavedBufferAttribute?
 b.delete(c.data):b.delete(c))}var f={};this.get=function(a){var b=a.geometry;if(void 0!==f[b.id])return f[b.id];b.addEventListener("dispose",d);var e;b instanceof THREE.BufferGeometry?e=b:b instanceof THREE.Geometry&&(void 0===b._bufferGeometry&&(b._bufferGeometry=(new THREE.BufferGeometry).setFromObject(a)),e=b._bufferGeometry);f[b.id]=e;c.memory.geometries++;return e}};
-THREE.WebGLLights=function(){var a={};this.get=function(b){if(void 0!==a[b.id])return a[b.id];var c;switch(b.type){case "DirectionalLight":c={direction:new THREE.Vector3,color:new THREE.Color,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new THREE.Vector2};break;case "SpotLight":c={position:new THREE.Vector3,direction:new THREE.Vector3,color:new THREE.Color,distance:0,angleCos:0,exponent:0,decay:0,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new THREE.Vector2};break;case "PointLight":c=
+THREE.WebGLLights=function(){var a={};this.get=function(b){if(void 0!==a[b.id])return a[b.id];var c;switch(b.type){case "DirectionalLight":c={direction:new THREE.Vector3,color:new THREE.Color,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new THREE.Vector2};break;case "SpotLight":c={position:new THREE.Vector3,direction:new THREE.Vector3,color:new THREE.Color,distance:0,angleCos:0,penumbra:0,decay:0,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new THREE.Vector2};break;case "PointLight":c=
 {position:new THREE.Vector3,color:new THREE.Color,distance:0,decay:0,shadow:!1,shadowBias:0,shadowRadius:1,shadowMapSize:new THREE.Vector2};break;case "HemisphereLight":c={direction:new THREE.Vector3,skyColor:new THREE.Color,groundColor:new THREE.Color}}return a[b.id]=c}};
 THREE.WebGLObjects=function(a,b,c){function d(c,d){var e=c instanceof THREE.InterleavedBufferAttribute?c.data:c,f=b.get(e);void 0===f.__webglBuffer?(f.__webglBuffer=a.createBuffer(),a.bindBuffer(d,f.__webglBuffer),a.bufferData(d,e.array,e.dynamic?a.DYNAMIC_DRAW:a.STATIC_DRAW),f.version=e.version):f.version!==e.version&&(a.bindBuffer(d,f.__webglBuffer),!1===e.dynamic||-1===e.updateRange.count?a.bufferSubData(d,0,e.array):0===e.updateRange.count?console.error("THREE.WebGLObjects.updateBuffer: dynamic THREE.BufferAttribute marked as needsUpdate but updateRange.count is 0, ensure you are using set methods or updating manually."):
 (a.bufferSubData(d,e.updateRange.offset*e.array.BYTES_PER_ELEMENT,e.array.subarray(e.updateRange.offset,e.updateRange.offset+e.updateRange.count)),e.updateRange.count=0),f.version=e.version)}function e(a,b,c){if(b>c){var d=b;b=c;c=d}d=a[b];return void 0===d?(a[b]=[c],!0):-1===d.indexOf(c)?(d.push(c),!0):!1}var f=new THREE.WebGLGeometries(a,b,c);this.getAttributeBuffer=function(a){return a instanceof THREE.InterleavedBufferAttribute?b.get(a.data).__webglBuffer:b.get(a).__webglBuffer};this.getWireframeAttribute=