Updated builds.

build/three.js

@@ -9285,6 +9285,124 @@ THREE.Geometry.prototype = {
 
 	},
 
+	rotateX: function () {
+
+		// rotate geometry around world x-axis
+
+		var m1;
+
+		return function rotateX( angle ) {
+
+			if ( m1 === undefined ) m1 = new THREE.Matrix4();
+
+			m1.makeRotationX( angle );
+
+			this.applyMatrix( m1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	rotateY: function () {
+
+		// rotate geometry around world y-axis
+
+		var m1;
+
+		return function rotateY( angle ) {
+
+			if ( m1 === undefined ) m1 = new THREE.Matrix4();
+
+			m1.makeRotationY( angle );
+
+			this.applyMatrix( m1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	rotateZ: function () {
+
+		// rotate geometry around world z-axis
+
+		var m1;
+
+		return function rotateZ( angle ) {
+
+			if ( m1 === undefined ) m1 = new THREE.Matrix4();
+
+			m1.makeRotationZ( angle );
+
+			this.applyMatrix( m1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	translate: function () {
+
+		// translate geometry
+
+		var m1;
+
+		return function translate( x, y, z ) {
+
+			if ( m1 === undefined ) m1 = new THREE.Matrix4();
+
+			m1.makeTranslation( x, y, z );
+
+			this.applyMatrix( m1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	scale: function () {
+
+		// scale geometry
+
+		var m1;
+
+		return function scale( x, y, z ) {
+
+			if ( m1 === undefined ) m1 = new THREE.Matrix4();
+
+			m1.makeScale( x, y, z );
+
+			this.applyMatrix( m1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	lookAt: function () {
+
+		var obj;
+
+		return function lookAt( vector ) {
+
+			if ( obj === undefined ) obj = new THREE.Object3D();
+
+			obj.lookAt( vector );
+
+			obj.updateMatrix();
+
+			this.applyMatrix( obj.matrix );
+
+		};
+
+	}(),
+
 	fromBufferGeometry: function ( geometry ) {
 
 		var scope = this;
@@ -9438,7 +9556,7 @@ THREE.Geometry.prototype = {
 
 		var offset = this.boundingBox.center().negate();
 
-		this.applyMatrix( new THREE.Matrix4().setPosition( offset ) );
+		this.translate( offset.x, offset.y, offset.z );
 
 		return offset;
 
@@ -10718,13 +10836,131 @@ THREE.BufferGeometry.prototype = {
 
 	},
 
+	rotateX: function () {
+
+		// rotate geometry around world x-axis
+
+		var m1;
+
+		return function rotateX( angle ) {
+
+			if ( m1 === undefined ) m1 = new THREE.Matrix4();
+
+			m1.makeRotationX( angle );
+
+			this.applyMatrix( m1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	rotateY: function () {
+
+		// rotate geometry around world y-axis
+
+		var m1;
+
+		return function rotateY( angle ) {
+
+			if ( m1 === undefined ) m1 = new THREE.Matrix4();
+
+			m1.makeRotationY( angle );
+
+			this.applyMatrix( m1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	rotateZ: function () {
+
+		// rotate geometry around world z-axis
+
+		var m1;
+
+		return function rotateZ( angle ) {
+
+			if ( m1 === undefined ) m1 = new THREE.Matrix4();
+
+			m1.makeRotationZ( angle );
+
+			this.applyMatrix( m1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	translate: function () {
+
+		// translate geometry
+
+		var m1;
+
+		return function translate( x, y, z ) {
+
+			if ( m1 === undefined ) m1 = new THREE.Matrix4();
+
+			m1.makeTranslation( x, y, z );
+
+			this.applyMatrix( m1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	scale: function () {
+
+		// scale geometry
+
+		var m1;
+
+		return function scale( x, y, z ) {
+
+			if ( m1 === undefined ) m1 = new THREE.Matrix4();
+
+			m1.makeScale( x, y, z );
+
+			this.applyMatrix( m1 );
+
+			return this;
+
+		};
+
+	}(),
+
+	lookAt: function () {
+
+		var obj;
+
+		return function lookAt( vector ) {
+
+			if ( obj === undefined ) obj = new THREE.Object3D();
+
+			obj.lookAt( vector );
+
+			obj.updateMatrix();
+
+			this.applyMatrix( obj.matrix );
+
+		};
+
+	}(),
+
 	center: function () {
 
 		this.computeBoundingBox();
 
 		var offset = this.boundingBox.center().negate();
 
-		this.applyMatrix( new THREE.Matrix4().setPosition( offset ) );
+		this.translate( offset.x, offset.y, offset.z );
 
 		return offset;
 
@@ -17428,9 +17664,10 @@ THREE.Skeleton = function ( bones, boneInverses, useVertexTexture ) {
 		//       32x32 pixel texture max  256 bones * 4 pixels = (32 * 32)
 		//       64x64 pixel texture max 1024 bones * 4 pixels = (64 * 64)
 
-		var size = THREE.Math.nextPowerOfTwo( Math.sqrt( this.bones.length * 4 ) ); // 4 pixels needed for 1 matrix
-
-		if ( size === 0 ) size = 2; // Avoid creating empty texture
+		
+		var size = Math.sqrt( this.bones.length * 4 ); // 4 pixels needed for 1 matrix
+		size = THREE.Math.nextPowerOfTwo( Math.ceil( size ) );
+		size = Math.max( size, 4 );
 
 		this.boneTextureWidth = size;
 		this.boneTextureHeight = size;
@@ -34670,7 +34907,7 @@ THREE.ArrowHelper = ( function () {
 	lineGeometry.vertices.push( new THREE.Vector3( 0, 0, 0 ), new THREE.Vector3( 0, 1, 0 ) );
 
 	var coneGeometry = new THREE.CylinderGeometry( 0, 0.5, 1, 5, 1 );
-	coneGeometry.applyMatrix( new THREE.Matrix4().makeTranslation( 0, - 0.5, 0 ) );
+	coneGeometry.translate( 0, - 0.5, 0 );
 
 	return function ArrowHelper( dir, origin, length, color, headLength, headWidth ) {
 
@@ -35371,7 +35608,7 @@ THREE.HemisphereLightHelper = function ( light, sphereSize ) {
 	this.colors = [ new THREE.Color(), new THREE.Color() ];
 
 	var geometry = new THREE.SphereGeometry( sphereSize, 4, 2 );
-	geometry.applyMatrix( new THREE.Matrix4().makeRotationX( - Math.PI / 2 ) );
+	geometry.rotateX( - Math.PI / 2 );
 
 	for ( var i = 0, il = 8; i < il; i ++ ) {
 
@@ -35613,8 +35850,8 @@ THREE.SpotLightHelper = function ( light ) {
 
 	var geometry = new THREE.CylinderGeometry( 0, 1, 1, 8, 1, true );
 
-	geometry.applyMatrix( new THREE.Matrix4().makeTranslation( 0, - 0.5, 0 ) );
-	geometry.applyMatrix( new THREE.Matrix4().makeRotationX( - Math.PI / 2 ) );
+	geometry.translate( 0, - 0.5, 0 );
+	geometry.rotateX( - Math.PI / 2 );
 
 	var material = new THREE.MeshBasicMaterial( { wireframe: true, fog: false } );
 

build/three.min.js

@@ -199,26 +199,28 @@ return this},setXYZ:function(a,b,c,d){a=a*this.data.stride+this.offset;this.data
 THREE.Geometry=function(){Object.defineProperty(this,"id",{value:THREE.GeometryIdCount++});this.uuid=THREE.Math.generateUUID();this.name="";this.type="Geometry";this.vertices=[];this.colors=[];this.faces=[];this.faceVertexUvs=[[]];this.morphTargets=[];this.morphColors=[];this.morphNormals=[];this.skinWeights=[];this.skinIndices=[];this.lineDistances=[];this.boundingSphere=this.boundingBox=null;this.lineDistancesNeedUpdate=this.colorsNeedUpdate=this.tangentsNeedUpdate=this.normalsNeedUpdate=this.uvsNeedUpdate=
 this.elementsNeedUpdate=this.verticesNeedUpdate=this.hasTangents=!1};
 THREE.Geometry.prototype={constructor:THREE.Geometry,applyMatrix:function(a){for(var b=(new THREE.Matrix3).getNormalMatrix(a),c=0,d=this.vertices.length;c<d;c++)this.vertices[c].applyMatrix4(a);c=0;for(d=this.faces.length;c<d;c++){a=this.faces[c];a.normal.applyMatrix3(b).normalize();for(var e=0,g=a.vertexNormals.length;e<g;e++)a.vertexNormals[e].applyMatrix3(b).normalize()}null!==this.boundingBox&&this.computeBoundingBox();null!==this.boundingSphere&&this.computeBoundingSphere();this.normalsNeedUpdate=
-this.verticesNeedUpdate=!0},fromBufferGeometry:function(a){var b=this,c=a.attributes,d=c.position.array,e=void 0!==c.index?c.index.array:void 0,g=void 0!==c.normal?c.normal.array:void 0,f=void 0!==c.color?c.color.array:void 0,h=void 0!==c.uv?c.uv.array:void 0,k=void 0!==c.uv2?c.uv2.array:void 0,l=void 0!==c.tangent?c.tangent.array:void 0;void 0!==k&&(this.faceVertexUvs[1]=[]);void 0!==l&&(this.hasTangents=!0);for(var n=[],p=[],m=[],q=[],s=c=0,t=0;c<d.length;c+=3,s+=2,t+=4)b.vertices.push(new THREE.Vector3(d[c],
-d[c+1],d[c+2])),void 0!==g&&n.push(new THREE.Vector3(g[c],g[c+1],g[c+2])),void 0!==f&&b.colors.push(new THREE.Color(f[c],f[c+1],f[c+2])),void 0!==h&&p.push(new THREE.Vector2(h[s],h[s+1])),void 0!==k&&m.push(new THREE.Vector2(k[s],k[s+1])),void 0!==l&&q.push(new THREE.Vector4(l[t],l[t+1],l[t+2],l[t+3]));t=function(a,c,d){var e=void 0!==g?[n[a].clone(),n[c].clone(),n[d].clone()]:[],s=void 0!==f?[b.colors[a].clone(),b.colors[c].clone(),b.colors[d].clone()]:[],e=new THREE.Face3(a,c,d,e,s);b.faces.push(e);
-void 0!==h&&b.faceVertexUvs[0].push([p[a].clone(),p[c].clone(),p[d].clone()]);void 0!==k&&b.faceVertexUvs[1].push([m[a].clone(),m[c].clone(),m[d].clone()]);void 0!==l&&e.vertexTangents.push(q[a].clone(),q[c].clone(),q[d].clone())};if(void 0!==e)if(d=a.drawcalls,0<d.length)for(c=0;c<d.length;c++)for(var s=d[c],u=s.start,x=s.count,v=s.index,s=u,u=u+x;s<u;s+=3)t(v+e[s],v+e[s+1],v+e[s+2]);else for(c=0;c<e.length;c+=3)t(e[c],e[c+1],e[c+2]);else for(c=0;c<d.length/3;c+=3)t(c,c+1,c+2);this.computeFaceNormals();
-null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone());null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone());return this},center:function(){this.computeBoundingBox();var a=this.boundingBox.center().negate();this.applyMatrix((new THREE.Matrix4).setPosition(a));return a},normalize:function(){this.computeBoundingSphere();var a=this.boundingSphere.center,b=this.boundingSphere.radius,b=0===b?1:1/b,c=new THREE.Matrix4;c.set(b,0,0,-b*a.x,0,b,0,-b*a.y,0,0,b,-b*a.z,0,0,0,1);this.applyMatrix(c);
-return this},computeFaceNormals:function(){for(var a=new THREE.Vector3,b=new THREE.Vector3,c=0,d=this.faces.length;c<d;c++){var e=this.faces[c],g=this.vertices[e.a],f=this.vertices[e.b];a.subVectors(this.vertices[e.c],f);b.subVectors(g,f);a.cross(b);a.normalize();e.normal.copy(a)}},computeVertexNormals:function(a){var b,c,d;d=Array(this.vertices.length);b=0;for(c=this.vertices.length;b<c;b++)d[b]=new THREE.Vector3;if(a){var e,g,f,h=new THREE.Vector3,k=new THREE.Vector3;a=0;for(b=this.faces.length;a<
-b;a++)c=this.faces[a],e=this.vertices[c.a],g=this.vertices[c.b],f=this.vertices[c.c],h.subVectors(f,g),k.subVectors(e,g),h.cross(k),d[c.a].add(h),d[c.b].add(h),d[c.c].add(h)}else for(a=0,b=this.faces.length;a<b;a++)c=this.faces[a],d[c.a].add(c.normal),d[c.b].add(c.normal),d[c.c].add(c.normal);b=0;for(c=this.vertices.length;b<c;b++)d[b].normalize();a=0;for(b=this.faces.length;a<b;a++)c=this.faces[a],e=c.vertexNormals,3===e.length?(e[0].copy(d[c.a]),e[1].copy(d[c.b]),e[2].copy(d[c.c])):(e[0]=d[c.a].clone(),
-e[1]=d[c.b].clone(),e[2]=d[c.c].clone())},computeMorphNormals:function(){var a,b,c,d,e;c=0;for(d=this.faces.length;c<d;c++)for(e=this.faces[c],e.__originalFaceNormal?e.__originalFaceNormal.copy(e.normal):e.__originalFaceNormal=e.normal.clone(),e.__originalVertexNormals||(e.__originalVertexNormals=[]),a=0,b=e.vertexNormals.length;a<b;a++)e.__originalVertexNormals[a]?e.__originalVertexNormals[a].copy(e.vertexNormals[a]):e.__originalVertexNormals[a]=e.vertexNormals[a].clone();var g=new THREE.Geometry;
-g.faces=this.faces;a=0;for(b=this.morphTargets.length;a<b;a++){if(!this.morphNormals[a]){this.morphNormals[a]={};this.morphNormals[a].faceNormals=[];this.morphNormals[a].vertexNormals=[];e=this.morphNormals[a].faceNormals;var f=this.morphNormals[a].vertexNormals,h,k;c=0;for(d=this.faces.length;c<d;c++)h=new THREE.Vector3,k={a:new THREE.Vector3,b:new THREE.Vector3,c:new THREE.Vector3},e.push(h),f.push(k)}f=this.morphNormals[a];g.vertices=this.morphTargets[a].vertices;g.computeFaceNormals();g.computeVertexNormals();
-c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],h=f.faceNormals[c],k=f.vertexNormals[c],h.copy(e.normal),k.a.copy(e.vertexNormals[0]),k.b.copy(e.vertexNormals[1]),k.c.copy(e.vertexNormals[2])}c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],e.normal=e.__originalFaceNormal,e.vertexNormals=e.__originalVertexNormals},computeTangents:function(){var a,b,c,d,e,g,f,h,k,l,n,p,m,q,s,t,u,x=[],v=[];c=new THREE.Vector3;var y=new THREE.Vector3,w=new THREE.Vector3,z=new THREE.Vector3,C=new THREE.Vector3;
-a=0;for(b=this.vertices.length;a<b;a++)x[a]=new THREE.Vector3,v[a]=new THREE.Vector3;a=0;for(b=this.faces.length;a<b;a++)e=this.faces[a],g=this.faceVertexUvs[0][a],d=e.a,u=e.b,e=e.c,f=this.vertices[d],h=this.vertices[u],k=this.vertices[e],l=g[0],n=g[1],p=g[2],g=h.x-f.x,m=k.x-f.x,q=h.y-f.y,s=k.y-f.y,h=h.z-f.z,f=k.z-f.z,k=n.x-l.x,t=p.x-l.x,n=n.y-l.y,l=p.y-l.y,p=1/(k*l-t*n),c.set((l*g-n*m)*p,(l*q-n*s)*p,(l*h-n*f)*p),y.set((k*m-t*g)*p,(k*s-t*q)*p,(k*f-t*h)*p),x[d].add(c),x[u].add(c),x[e].add(c),v[d].add(y),
-v[u].add(y),v[e].add(y);y=["a","b","c","d"];a=0;for(b=this.faces.length;a<b;a++)for(e=this.faces[a],c=0;c<Math.min(e.vertexNormals.length,3);c++)C.copy(e.vertexNormals[c]),d=e[y[c]],u=x[d],w.copy(u),w.sub(C.multiplyScalar(C.dot(u))).normalize(),z.crossVectors(e.vertexNormals[c],u),d=z.dot(v[d]),d=0>d?-1:1,e.vertexTangents[c]=new THREE.Vector4(w.x,w.y,w.z,d);this.hasTangents=!0},computeLineDistances:function(){for(var a=0,b=this.vertices,c=0,d=b.length;c<d;c++)0<c&&(a+=b[c].distanceTo(b[c-1])),this.lineDistances[c]=
-a},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);this.boundingBox.setFromPoints(this.vertices)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new THREE.Sphere);this.boundingSphere.setFromPoints(this.vertices)},merge:function(a,b,c){if(!1===a instanceof THREE.Geometry)console.error("THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.",a);else{var d,e=this.vertices.length,g=this.vertices,f=a.vertices,h=this.faces,
-k=a.faces,l=this.faceVertexUvs[0];a=a.faceVertexUvs[0];void 0===c&&(c=0);void 0!==b&&(d=(new THREE.Matrix3).getNormalMatrix(b));for(var n=0,p=f.length;n<p;n++){var m=f[n].clone();void 0!==b&&m.applyMatrix4(b);g.push(m)}n=0;for(p=k.length;n<p;n++){var f=k[n],q,s=f.vertexNormals,t=f.vertexColors,m=new THREE.Face3(f.a+e,f.b+e,f.c+e);m.normal.copy(f.normal);void 0!==d&&m.normal.applyMatrix3(d).normalize();b=0;for(g=s.length;b<g;b++)q=s[b].clone(),void 0!==d&&q.applyMatrix3(d).normalize(),m.vertexNormals.push(q);
-m.color.copy(f.color);b=0;for(g=t.length;b<g;b++)q=t[b],m.vertexColors.push(q.clone());m.materialIndex=f.materialIndex+c;h.push(m)}n=0;for(p=a.length;n<p;n++)if(c=a[n],d=[],void 0!==c){b=0;for(g=c.length;b<g;b++)d.push(c[b].clone());l.push(d)}}},mergeMesh:function(a){!1===a instanceof THREE.Mesh?console.error("THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.",a):(a.matrixAutoUpdate&&a.updateMatrix(),this.merge(a.geometry,a.matrix))},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,
-4),g,f;g=0;for(f=this.vertices.length;g<f;g++)d=this.vertices[g],d=Math.round(d.x*e)+"_"+Math.round(d.y*e)+"_"+Math.round(d.z*e),void 0===a[d]?(a[d]=g,b.push(this.vertices[g]),c[g]=b.length-1):c[g]=c[a[d]];a=[];g=0;for(f=this.faces.length;g<f;g++)for(e=this.faces[g],e.a=c[e.a],e.b=c[e.b],e.c=c[e.c],e=[e.a,e.b,e.c],d=0;3>d;d++)if(e[d]===e[(d+1)%3]){a.push(g);break}for(g=a.length-1;0<=g;g--)for(e=a[g],this.faces.splice(e,1),c=0,f=this.faceVertexUvs.length;c<f;c++)this.faceVertexUvs[c].splice(e,1);g=
-this.vertices.length-b.length;this.vertices=b;return g},toJSON:function(){function a(a,b,c){return c?a|1<<b:a&~(1<<b)}function b(a){var b=a.x.toString()+a.y.toString()+a.z.toString();if(void 0!==l[b])return l[b];l[b]=k.length/3;k.push(a.x,a.y,a.z);return l[b]}function c(a){var b=a.r.toString()+a.g.toString()+a.b.toString();if(void 0!==p[b])return p[b];p[b]=n.length;n.push(a.getHex());return p[b]}function d(a){var b=a.x.toString()+a.y.toString();if(void 0!==q[b])return q[b];q[b]=m.length/2;m.push(a.x,
-a.y);return q[b]}var e={metadata:{version:4.4,type:"Geometry",generator:"Geometry.toJSON"}};e.uuid=this.uuid;e.type=this.type;""!==this.name&&(e.name=this.name);if(void 0!==this.parameters){var g=this.parameters,f;for(f in g)void 0!==g[f]&&(e[f]=g[f]);return e}g=[];for(f=0;f<this.vertices.length;f++){var h=this.vertices[f];g.push(h.x,h.y,h.z)}var h=[],k=[],l={},n=[],p={},m=[],q={};for(f=0;f<this.faces.length;f++){var s=this.faces[f],t=void 0!==this.faceVertexUvs[0][f],u=0<s.normal.length(),x=0<s.vertexNormals.length,
-v=1!==s.color.r||1!==s.color.g||1!==s.color.b,y=0<s.vertexColors.length,w=0,w=a(w,0,0),w=a(w,1,!1),w=a(w,2,!1),w=a(w,3,t),w=a(w,4,u),w=a(w,5,x),w=a(w,6,v),w=a(w,7,y);h.push(w);h.push(s.a,s.b,s.c);t&&(t=this.faceVertexUvs[0][f],h.push(d(t[0]),d(t[1]),d(t[2])));u&&h.push(b(s.normal));x&&(u=s.vertexNormals,h.push(b(u[0]),b(u[1]),b(u[2])));v&&h.push(c(s.color));y&&(s=s.vertexColors,h.push(c(s[0]),c(s[1]),c(s[2])))}e.data={};e.data.vertices=g;e.data.normals=k;0<n.length&&(e.data.colors=n);0<m.length&&
-(e.data.uvs=[m]);e.data.faces=h;return e},clone:function(){return(new THREE.Geometry).copy(this)},copy:function(a){this.vertices=[];this.faces=[];this.faceVertexUvs=[[]];for(var b=a.vertices,c=0,d=b.length;c<d;c++)this.vertices.push(b[c].clone());b=a.faces;c=0;for(d=b.length;c<d;c++)this.faces.push(b[c].clone());c=0;for(d=a.faceVertexUvs.length;c<d;c++){b=a.faceVertexUvs[c];void 0===this.faceVertexUvs[c]&&(this.faceVertexUvs[c]=[]);for(var e=0,g=b.length;e<g;e++){for(var f=b[e],h=[],k=0,l=f.length;k<
-l;k++)h.push(f[k].clone());this.faceVertexUvs[c].push(h)}}return this},dispose:function(){this.dispatchEvent({type:"dispose"})},set groupsNeedUpdate(a){!0===a&&this.dispose()}};THREE.EventDispatcher.prototype.apply(THREE.Geometry.prototype);THREE.GeometryIdCount=0;
+this.verticesNeedUpdate=!0},rotateX:function(){var a;return function(b){void 0===a&&(a=new THREE.Matrix4);a.makeRotationX(b);this.applyMatrix(a);return this}}(),rotateY:function(){var a;return function(b){void 0===a&&(a=new THREE.Matrix4);a.makeRotationY(b);this.applyMatrix(a);return this}}(),rotateZ:function(){var a;return function(b){void 0===a&&(a=new THREE.Matrix4);a.makeRotationZ(b);this.applyMatrix(a);return this}}(),translate:function(){var a;return function(b,c,d){void 0===a&&(a=new THREE.Matrix4);
+a.makeTranslation(b,c,d);this.applyMatrix(a);return this}}(),scale:function(){var a;return function(b,c,d){void 0===a&&(a=new THREE.Matrix4);a.makeScale(b,c,d);this.applyMatrix(a);return this}}(),lookAt:function(){var a;return function(b){void 0===a&&(a=new THREE.Object3D);a.lookAt(b);a.updateMatrix();this.applyMatrix(a.matrix)}}(),fromBufferGeometry:function(a){var b=this,c=a.attributes,d=c.position.array,e=void 0!==c.index?c.index.array:void 0,g=void 0!==c.normal?c.normal.array:void 0,f=void 0!==
+c.color?c.color.array:void 0,h=void 0!==c.uv?c.uv.array:void 0,k=void 0!==c.uv2?c.uv2.array:void 0,l=void 0!==c.tangent?c.tangent.array:void 0;void 0!==k&&(this.faceVertexUvs[1]=[]);void 0!==l&&(this.hasTangents=!0);for(var n=[],p=[],m=[],q=[],s=c=0,t=0;c<d.length;c+=3,s+=2,t+=4)b.vertices.push(new THREE.Vector3(d[c],d[c+1],d[c+2])),void 0!==g&&n.push(new THREE.Vector3(g[c],g[c+1],g[c+2])),void 0!==f&&b.colors.push(new THREE.Color(f[c],f[c+1],f[c+2])),void 0!==h&&p.push(new THREE.Vector2(h[s],h[s+
+1])),void 0!==k&&m.push(new THREE.Vector2(k[s],k[s+1])),void 0!==l&&q.push(new THREE.Vector4(l[t],l[t+1],l[t+2],l[t+3]));t=function(a,c,d){var e=void 0!==g?[n[a].clone(),n[c].clone(),n[d].clone()]:[],s=void 0!==f?[b.colors[a].clone(),b.colors[c].clone(),b.colors[d].clone()]:[],e=new THREE.Face3(a,c,d,e,s);b.faces.push(e);void 0!==h&&b.faceVertexUvs[0].push([p[a].clone(),p[c].clone(),p[d].clone()]);void 0!==k&&b.faceVertexUvs[1].push([m[a].clone(),m[c].clone(),m[d].clone()]);void 0!==l&&e.vertexTangents.push(q[a].clone(),
+q[c].clone(),q[d].clone())};if(void 0!==e)if(d=a.drawcalls,0<d.length)for(c=0;c<d.length;c++)for(var s=d[c],u=s.start,x=s.count,v=s.index,s=u,u=u+x;s<u;s+=3)t(v+e[s],v+e[s+1],v+e[s+2]);else for(c=0;c<e.length;c+=3)t(e[c],e[c+1],e[c+2]);else for(c=0;c<d.length/3;c+=3)t(c,c+1,c+2);this.computeFaceNormals();null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone());null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone());return this},center:function(){this.computeBoundingBox();var a=
+this.boundingBox.center().negate();this.translate(a.x,a.y,a.z);return a},normalize:function(){this.computeBoundingSphere();var a=this.boundingSphere.center,b=this.boundingSphere.radius,b=0===b?1:1/b,c=new THREE.Matrix4;c.set(b,0,0,-b*a.x,0,b,0,-b*a.y,0,0,b,-b*a.z,0,0,0,1);this.applyMatrix(c);return this},computeFaceNormals:function(){for(var a=new THREE.Vector3,b=new THREE.Vector3,c=0,d=this.faces.length;c<d;c++){var e=this.faces[c],g=this.vertices[e.a],f=this.vertices[e.b];a.subVectors(this.vertices[e.c],
+f);b.subVectors(g,f);a.cross(b);a.normalize();e.normal.copy(a)}},computeVertexNormals:function(a){var b,c,d;d=Array(this.vertices.length);b=0;for(c=this.vertices.length;b<c;b++)d[b]=new THREE.Vector3;if(a){var e,g,f,h=new THREE.Vector3,k=new THREE.Vector3;a=0;for(b=this.faces.length;a<b;a++)c=this.faces[a],e=this.vertices[c.a],g=this.vertices[c.b],f=this.vertices[c.c],h.subVectors(f,g),k.subVectors(e,g),h.cross(k),d[c.a].add(h),d[c.b].add(h),d[c.c].add(h)}else for(a=0,b=this.faces.length;a<b;a++)c=
+this.faces[a],d[c.a].add(c.normal),d[c.b].add(c.normal),d[c.c].add(c.normal);b=0;for(c=this.vertices.length;b<c;b++)d[b].normalize();a=0;for(b=this.faces.length;a<b;a++)c=this.faces[a],e=c.vertexNormals,3===e.length?(e[0].copy(d[c.a]),e[1].copy(d[c.b]),e[2].copy(d[c.c])):(e[0]=d[c.a].clone(),e[1]=d[c.b].clone(),e[2]=d[c.c].clone())},computeMorphNormals:function(){var a,b,c,d,e;c=0;for(d=this.faces.length;c<d;c++)for(e=this.faces[c],e.__originalFaceNormal?e.__originalFaceNormal.copy(e.normal):e.__originalFaceNormal=
+e.normal.clone(),e.__originalVertexNormals||(e.__originalVertexNormals=[]),a=0,b=e.vertexNormals.length;a<b;a++)e.__originalVertexNormals[a]?e.__originalVertexNormals[a].copy(e.vertexNormals[a]):e.__originalVertexNormals[a]=e.vertexNormals[a].clone();var g=new THREE.Geometry;g.faces=this.faces;a=0;for(b=this.morphTargets.length;a<b;a++){if(!this.morphNormals[a]){this.morphNormals[a]={};this.morphNormals[a].faceNormals=[];this.morphNormals[a].vertexNormals=[];e=this.morphNormals[a].faceNormals;var f=
+this.morphNormals[a].vertexNormals,h,k;c=0;for(d=this.faces.length;c<d;c++)h=new THREE.Vector3,k={a:new THREE.Vector3,b:new THREE.Vector3,c:new THREE.Vector3},e.push(h),f.push(k)}f=this.morphNormals[a];g.vertices=this.morphTargets[a].vertices;g.computeFaceNormals();g.computeVertexNormals();c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],h=f.faceNormals[c],k=f.vertexNormals[c],h.copy(e.normal),k.a.copy(e.vertexNormals[0]),k.b.copy(e.vertexNormals[1]),k.c.copy(e.vertexNormals[2])}c=0;for(d=this.faces.length;c<
+d;c++)e=this.faces[c],e.normal=e.__originalFaceNormal,e.vertexNormals=e.__originalVertexNormals},computeTangents:function(){var a,b,c,d,e,g,f,h,k,l,n,p,m,q,s,t,u,x=[],v=[];c=new THREE.Vector3;var y=new THREE.Vector3,w=new THREE.Vector3,z=new THREE.Vector3,C=new THREE.Vector3;a=0;for(b=this.vertices.length;a<b;a++)x[a]=new THREE.Vector3,v[a]=new THREE.Vector3;a=0;for(b=this.faces.length;a<b;a++)e=this.faces[a],g=this.faceVertexUvs[0][a],d=e.a,u=e.b,e=e.c,f=this.vertices[d],h=this.vertices[u],k=this.vertices[e],
+l=g[0],n=g[1],p=g[2],g=h.x-f.x,m=k.x-f.x,q=h.y-f.y,s=k.y-f.y,h=h.z-f.z,f=k.z-f.z,k=n.x-l.x,t=p.x-l.x,n=n.y-l.y,l=p.y-l.y,p=1/(k*l-t*n),c.set((l*g-n*m)*p,(l*q-n*s)*p,(l*h-n*f)*p),y.set((k*m-t*g)*p,(k*s-t*q)*p,(k*f-t*h)*p),x[d].add(c),x[u].add(c),x[e].add(c),v[d].add(y),v[u].add(y),v[e].add(y);y=["a","b","c","d"];a=0;for(b=this.faces.length;a<b;a++)for(e=this.faces[a],c=0;c<Math.min(e.vertexNormals.length,3);c++)C.copy(e.vertexNormals[c]),d=e[y[c]],u=x[d],w.copy(u),w.sub(C.multiplyScalar(C.dot(u))).normalize(),
+z.crossVectors(e.vertexNormals[c],u),d=z.dot(v[d]),d=0>d?-1:1,e.vertexTangents[c]=new THREE.Vector4(w.x,w.y,w.z,d);this.hasTangents=!0},computeLineDistances:function(){for(var a=0,b=this.vertices,c=0,d=b.length;c<d;c++)0<c&&(a+=b[c].distanceTo(b[c-1])),this.lineDistances[c]=a},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);this.boundingBox.setFromPoints(this.vertices)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new THREE.Sphere);
+this.boundingSphere.setFromPoints(this.vertices)},merge:function(a,b,c){if(!1===a instanceof THREE.Geometry)console.error("THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.",a);else{var d,e=this.vertices.length,g=this.vertices,f=a.vertices,h=this.faces,k=a.faces,l=this.faceVertexUvs[0];a=a.faceVertexUvs[0];void 0===c&&(c=0);void 0!==b&&(d=(new THREE.Matrix3).getNormalMatrix(b));for(var n=0,p=f.length;n<p;n++){var m=f[n].clone();void 0!==b&&m.applyMatrix4(b);g.push(m)}n=0;for(p=k.length;n<
+p;n++){var f=k[n],q,s=f.vertexNormals,t=f.vertexColors,m=new THREE.Face3(f.a+e,f.b+e,f.c+e);m.normal.copy(f.normal);void 0!==d&&m.normal.applyMatrix3(d).normalize();b=0;for(g=s.length;b<g;b++)q=s[b].clone(),void 0!==d&&q.applyMatrix3(d).normalize(),m.vertexNormals.push(q);m.color.copy(f.color);b=0;for(g=t.length;b<g;b++)q=t[b],m.vertexColors.push(q.clone());m.materialIndex=f.materialIndex+c;h.push(m)}n=0;for(p=a.length;n<p;n++)if(c=a[n],d=[],void 0!==c){b=0;for(g=c.length;b<g;b++)d.push(c[b].clone());
+l.push(d)}}},mergeMesh:function(a){!1===a instanceof THREE.Mesh?console.error("THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.",a):(a.matrixAutoUpdate&&a.updateMatrix(),this.merge(a.geometry,a.matrix))},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,4),g,f;g=0;for(f=this.vertices.length;g<f;g++)d=this.vertices[g],d=Math.round(d.x*e)+"_"+Math.round(d.y*e)+"_"+Math.round(d.z*e),void 0===a[d]?(a[d]=g,b.push(this.vertices[g]),c[g]=b.length-1):c[g]=c[a[d]];a=[];g=0;for(f=this.faces.length;g<
+f;g++)for(e=this.faces[g],e.a=c[e.a],e.b=c[e.b],e.c=c[e.c],e=[e.a,e.b,e.c],d=0;3>d;d++)if(e[d]===e[(d+1)%3]){a.push(g);break}for(g=a.length-1;0<=g;g--)for(e=a[g],this.faces.splice(e,1),c=0,f=this.faceVertexUvs.length;c<f;c++)this.faceVertexUvs[c].splice(e,1);g=this.vertices.length-b.length;this.vertices=b;return g},toJSON:function(){function a(a,b,c){return c?a|1<<b:a&~(1<<b)}function b(a){var b=a.x.toString()+a.y.toString()+a.z.toString();if(void 0!==l[b])return l[b];l[b]=k.length/3;k.push(a.x,a.y,
+a.z);return l[b]}function c(a){var b=a.r.toString()+a.g.toString()+a.b.toString();if(void 0!==p[b])return p[b];p[b]=n.length;n.push(a.getHex());return p[b]}function d(a){var b=a.x.toString()+a.y.toString();if(void 0!==q[b])return q[b];q[b]=m.length/2;m.push(a.x,a.y);return q[b]}var e={metadata:{version:4.4,type:"Geometry",generator:"Geometry.toJSON"}};e.uuid=this.uuid;e.type=this.type;""!==this.name&&(e.name=this.name);if(void 0!==this.parameters){var g=this.parameters,f;for(f in g)void 0!==g[f]&&
+(e[f]=g[f]);return e}g=[];for(f=0;f<this.vertices.length;f++){var h=this.vertices[f];g.push(h.x,h.y,h.z)}var h=[],k=[],l={},n=[],p={},m=[],q={};for(f=0;f<this.faces.length;f++){var s=this.faces[f],t=void 0!==this.faceVertexUvs[0][f],u=0<s.normal.length(),x=0<s.vertexNormals.length,v=1!==s.color.r||1!==s.color.g||1!==s.color.b,y=0<s.vertexColors.length,w=0,w=a(w,0,0),w=a(w,1,!1),w=a(w,2,!1),w=a(w,3,t),w=a(w,4,u),w=a(w,5,x),w=a(w,6,v),w=a(w,7,y);h.push(w);h.push(s.a,s.b,s.c);t&&(t=this.faceVertexUvs[0][f],
+h.push(d(t[0]),d(t[1]),d(t[2])));u&&h.push(b(s.normal));x&&(u=s.vertexNormals,h.push(b(u[0]),b(u[1]),b(u[2])));v&&h.push(c(s.color));y&&(s=s.vertexColors,h.push(c(s[0]),c(s[1]),c(s[2])))}e.data={};e.data.vertices=g;e.data.normals=k;0<n.length&&(e.data.colors=n);0<m.length&&(e.data.uvs=[m]);e.data.faces=h;return e},clone:function(){return(new THREE.Geometry).copy(this)},copy:function(a){this.vertices=[];this.faces=[];this.faceVertexUvs=[[]];for(var b=a.vertices,c=0,d=b.length;c<d;c++)this.vertices.push(b[c].clone());
+b=a.faces;c=0;for(d=b.length;c<d;c++)this.faces.push(b[c].clone());c=0;for(d=a.faceVertexUvs.length;c<d;c++){b=a.faceVertexUvs[c];void 0===this.faceVertexUvs[c]&&(this.faceVertexUvs[c]=[]);for(var e=0,g=b.length;e<g;e++){for(var f=b[e],h=[],k=0,l=f.length;k<l;k++)h.push(f[k].clone());this.faceVertexUvs[c].push(h)}}return this},dispose:function(){this.dispatchEvent({type:"dispose"})},set groupsNeedUpdate(a){!0===a&&this.dispose()}};THREE.EventDispatcher.prototype.apply(THREE.Geometry.prototype);
+THREE.GeometryIdCount=0;
 THREE.DirectGeometry=function(){Object.defineProperty(this,"id",{value:THREE.GeometryIdCount++});this.uuid=THREE.Math.generateUUID();this.name="";this.type="DirectGeometry";this.indices=[];this.vertices=[];this.normals=[];this.colors=[];this.uvs=[];this.uvs2=[];this.tangents=[];this.morphTargets={};this.skinWeights=[];this.skinIndices=[];this.boundingSphere=this.boundingBox=null;this.tangentsNeedUpdate=this.uvsNeedUpdate=this.colorsNeedUpdate=this.normalsNeedUpdate=this.verticesNeedUpdate=!1};
 THREE.DirectGeometry.prototype={constructor:THREE.DirectGeometry,computeBoundingBox:THREE.Geometry.prototype.computeBoundingBox,computeBoundingSphere:THREE.Geometry.prototype.computeBoundingSphere,computeFaceNormals:function(){console.warn("THREE.DirectGeometry: computeFaceNormals() is not a method of this type of geometry.");return this},computeVertexNormals:function(){console.warn("THREE.DirectGeometry: computeVertexNormals() is not a method of this type of geometry.");return this},computeTangents:function(){console.warn("THREE.DirectGeometry: computeTangents() is not a method of this type of geometry.");
 return this},fromGeometry:function(a){var b=a.faces,c=a.vertices,d=a.faceVertexUvs,e=d[0]&&0<d[0].length,g=d[1]&&0<d[1].length,f=a.hasTangents,h=a.morphTargets,k=h.length;if(0<k){for(var l=[],n=0;n<k;n++)l[n]=[];this.morphTargets.position=l}var p=a.morphNormals,m=p.length;if(0<m){for(var q=[],n=0;n<m;n++)q[n]=[];this.morphTargets.normal=q}for(var s=a.skinIndices,t=a.skinWeights,u=s.length===c.length,x=t.length===c.length,n=0;n<b.length;n++){var v=b[n];this.vertices.push(c[v.a],c[v.b],c[v.c]);var y=
@@ -228,29 +230,31 @@ t[v.b],t[v.c])}this.verticesNeedUpdate=a.verticesNeedUpdate;this.normalsNeedUpda
 THREE.BufferGeometry=function(){Object.defineProperty(this,"id",{value:THREE.GeometryIdCount++});this.uuid=THREE.Math.generateUUID();this.name="";this.type="BufferGeometry";this.attributes={};this.morphAttributes={};this.drawcalls=[];this.boundingSphere=this.boundingBox=null};
 THREE.BufferGeometry.prototype={constructor:THREE.BufferGeometry,addAttribute:function(a,b,c){!1===b instanceof THREE.BufferAttribute&&!1===b instanceof THREE.InterleavedBufferAttribute?(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.attributes[a]={array:b,itemSize:c}):this.attributes[a]=b},getAttribute:function(a){return this.attributes[a]},removeAttribute:function(a){delete this.attributes[a]},get offsets(){console.warn("THREE.BufferGeometry: .offsets has been renamed to .drawcalls.");
 return this.drawcalls},addDrawCall:function(a,b,c){this.drawcalls.push({start:a,count:b,index:void 0!==c?c:0})},clearDrawCalls:function(){this.drawcalls=[]},applyMatrix:function(a){var b=this.attributes.position;void 0!==b&&(a.applyToVector3Array(b.array),b.needsUpdate=!0);b=this.attributes.normal;void 0!==b&&((new THREE.Matrix3).getNormalMatrix(a).applyToVector3Array(b.array),b.needsUpdate=!0);null!==this.boundingBox&&this.computeBoundingBox();null!==this.boundingSphere&&this.computeBoundingSphere()},
-center:function(){this.computeBoundingBox();var a=this.boundingBox.center().negate();this.applyMatrix((new THREE.Matrix4).setPosition(a));return a},setFromObject:function(a){var b=a.geometry;if(a instanceof THREE.PointCloud||a instanceof THREE.Line){a=new THREE.Float32Attribute(3*b.vertices.length,3);var c=new THREE.Float32Attribute(3*b.colors.length,3);this.addAttribute("position",a.copyVector3sArray(b.vertices));this.addAttribute("color",c.copyColorsArray(b.colors));b.lineDistances&&b.lineDistances.length===
-b.vertices.length&&(a=new THREE.Float32Attribute(b.lineDistances.length,1),this.addAttribute("lineDistance",a.copyArray(b.lineDistances)));null!==b.boundingSphere&&(this.boundingSphere=b.boundingSphere.clone());null!==b.boundingBox&&(this.boundingBox=b.boundingBox.clone())}else a instanceof THREE.Mesh&&b instanceof THREE.Geometry&&this.fromGeometry(b);return this},updateFromObject:function(a){var b=a.geometry;if(a instanceof THREE.Mesh){a=b.__directGeometry;if(void 0===a)return this.fromGeometry(b);
-a.verticesNeedUpdate=b.verticesNeedUpdate;a.normalsNeedUpdate=b.normalsNeedUpdate;a.colorsNeedUpdate=b.colorsNeedUpdate;a.uvsNeedUpdate=b.uvsNeedUpdate;a.tangentsNeedUpdate=b.tangentsNeedUpdate;b.verticesNeedUpdate=!1;b.normalsNeedUpdate=!1;b.colorsNeedUpdate=!1;b.uvsNeedUpdate=!1;b.tangentsNeedUpdate=!1;b=a}!0===b.verticesNeedUpdate&&(a=this.attributes.position,void 0!==a&&(a.copyVector3sArray(b.vertices),a.needsUpdate=!0),b.verticesNeedUpdate=!1);!0===b.normalsNeedUpdate&&(a=this.attributes.normal,
-void 0!==a&&(a.copyVector3sArray(b.normals),a.needsUpdate=!0),b.normalsNeedUpdate=!1);!0===b.colorsNeedUpdate&&(a=this.attributes.color,void 0!==a&&(a.copyColorsArray(b.colors),a.needsUpdate=!0),b.colorsNeedUpdate=!1);!0===b.tangentsNeedUpdate&&(a=this.attributes.tangent,void 0!==a&&(a.copyVector4sArray(b.tangents),a.needsUpdate=!0),b.tangentsNeedUpdate=!1);b.lineDistancesNeedUpdate&&(a=this.attributes.lineDistance,void 0!==a&&(a.copyArray(b.lineDistances),a.needsUpdate=!0),b.lineDistancesNeedUpdate=
-!1);return this},fromGeometry:function(a){a.__directGeometry=(new THREE.DirectGeometry).fromGeometry(a);return this.fromDirectGeometry(a.__directGeometry)},fromDirectGeometry:function(a){var b=new Float32Array(3*a.vertices.length);this.addAttribute("position",(new THREE.BufferAttribute(b,3)).copyVector3sArray(a.vertices));0<a.normals.length&&(b=new Float32Array(3*a.normals.length),this.addAttribute("normal",(new THREE.BufferAttribute(b,3)).copyVector3sArray(a.normals)));0<a.colors.length&&(b=new Float32Array(3*
-a.colors.length),this.addAttribute("color",(new THREE.BufferAttribute(b,3)).copyColorsArray(a.colors)));0<a.uvs.length&&(b=new Float32Array(2*a.uvs.length),this.addAttribute("uv",(new THREE.BufferAttribute(b,2)).copyVector2sArray(a.uvs)));0<a.uvs2.length&&(b=new Float32Array(2*a.uvs2.length),this.addAttribute("uv2",(new THREE.BufferAttribute(b,2)).copyVector2sArray(a.uvs2)));0<a.tangents.length&&(b=new Float32Array(4*a.tangents.length),this.addAttribute("tangent",(new THREE.BufferAttribute(b,4)).copyVector4sArray(a.tangents)));
-0<a.indices.length&&(b=new Uint16Array(3*a.indices.length),this.addAttribute("index",(new THREE.BufferAttribute(b,1)).copyIndicesArray(a.indices)));for(var c in a.morphTargets){for(var b=[],d=a.morphTargets[c],e=0,g=d.length;e<g;e++){var f=d[e],h=new THREE.Float32Attribute(3*f.length,3);b.push(h.copyVector3sArray(f))}this.morphAttributes[c]=b}0<a.skinIndices.length&&(c=new THREE.Float32Attribute(4*a.skinIndices.length,4),this.addAttribute("skinIndex",c.copyVector4sArray(a.skinIndices)));0<a.skinWeights.length&&
-(c=new THREE.Float32Attribute(4*a.skinWeights.length,4),this.addAttribute("skinWeight",c.copyVector4sArray(a.skinWeights)));null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone());null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone());return this},computeBoundingBox:function(){var a=new THREE.Vector3;return function(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);var b=this.attributes.position.array;if(b){var c=this.boundingBox;c.makeEmpty();for(var d=0,e=b.length;d<
-e;d+=3)a.fromArray(b,d),c.expandByPoint(a)}if(void 0===b||0===b.length)this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0);(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}}(),computeBoundingSphere:function(){var a=new THREE.Box3,b=new THREE.Vector3;return function(){null===this.boundingSphere&&
-(this.boundingSphere=new THREE.Sphere);var c=this.attributes.position.array;if(c){a.makeEmpty();for(var d=this.boundingSphere.center,e=0,g=c.length;e<g;e+=3)b.fromArray(c,e),a.expandByPoint(b);a.center(d);for(var f=0,e=0,g=c.length;e<g;e+=3)b.fromArray(c,e),f=Math.max(f,d.distanceToSquared(b));this.boundingSphere.radius=Math.sqrt(f);isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',
-this)}}}(),computeFaceNormals:function(){},computeVertexNormals:function(){var a=this.attributes;if(a.position){var b=a.position.array;if(void 0===a.normal)this.addAttribute("normal",new THREE.BufferAttribute(new Float32Array(b.length),3));else for(var c=a.normal.array,d=0,e=c.length;d<e;d++)c[d]=0;var c=a.normal.array,g,f,h,k=new THREE.Vector3,l=new THREE.Vector3,n=new THREE.Vector3,p=new THREE.Vector3,m=new THREE.Vector3;if(a.index){var q=a.index.array;0===this.drawcalls.length&&this.addDrawCall(0,
-q.length);for(var s=0,t=this.drawcalls.length;s<t;++s){e=this.drawcalls[s].start;g=this.drawcalls[s].count;for(var u=this.drawcalls[s].index,d=e,e=e+g;d<e;d+=3)g=3*(u+q[d]),f=3*(u+q[d+1]),h=3*(u+q[d+2]),k.fromArray(b,g),l.fromArray(b,f),n.fromArray(b,h),p.subVectors(n,l),m.subVectors(k,l),p.cross(m),c[g]+=p.x,c[g+1]+=p.y,c[g+2]+=p.z,c[f]+=p.x,c[f+1]+=p.y,c[f+2]+=p.z,c[h]+=p.x,c[h+1]+=p.y,c[h+2]+=p.z}}else for(d=0,e=b.length;d<e;d+=9)k.fromArray(b,d),l.fromArray(b,d+3),n.fromArray(b,d+6),p.subVectors(n,
-l),m.subVectors(k,l),p.cross(m),c[d]=p.x,c[d+1]=p.y,c[d+2]=p.z,c[d+3]=p.x,c[d+4]=p.y,c[d+5]=p.z,c[d+6]=p.x,c[d+7]=p.y,c[d+8]=p.z;this.normalizeNormals();a.normal.needsUpdate=!0}},computeTangents:function(){function a(a,b,c){p.fromArray(d,3*a);m.fromArray(d,3*b);q.fromArray(d,3*c);s.fromArray(g,2*a);t.fromArray(g,2*b);u.fromArray(g,2*c);x=m.x-p.x;v=q.x-p.x;y=m.y-p.y;w=q.y-p.y;z=m.z-p.z;C=q.z-p.z;A=t.x-s.x;B=u.x-s.x;S=t.y-s.y;I=u.y-s.y;D=1/(A*I-B*S);Q.set((I*x-S*v)*D,(I*y-S*w)*D,(I*z-S*C)*D);K.set((A*
-v-B*x)*D,(A*w-B*y)*D,(A*C-B*z)*D);k[a].add(Q);k[b].add(Q);k[c].add(Q);l[a].add(K);l[b].add(K);l[c].add(K)}function b(a){qa.fromArray(e,3*a);Z.copy(qa);ga=k[a];T.copy(ga);T.sub(qa.multiplyScalar(qa.dot(ga))).normalize();H.crossVectors(Z,ga);la=H.dot(l[a]);ea=0>la?-1:1;h[4*a]=T.x;h[4*a+1]=T.y;h[4*a+2]=T.z;h[4*a+3]=ea}if(void 0===this.attributes.index||void 0===this.attributes.position||void 0===this.attributes.normal||void 0===this.attributes.uv)console.warn("THREE.BufferGeometry: Missing required attributes (index, position, normal or uv) in BufferGeometry.computeTangents()");
-else{var c=this.attributes.index.array,d=this.attributes.position.array,e=this.attributes.normal.array,g=this.attributes.uv.array,f=d.length/3;void 0===this.attributes.tangent&&this.addAttribute("tangent",new THREE.BufferAttribute(new Float32Array(4*f),4));for(var h=this.attributes.tangent.array,k=[],l=[],n=0;n<f;n++)k[n]=new THREE.Vector3,l[n]=new THREE.Vector3;var p=new THREE.Vector3,m=new THREE.Vector3,q=new THREE.Vector3,s=new THREE.Vector2,t=new THREE.Vector2,u=new THREE.Vector2,x,v,y,w,z,C,
-A,B,S,I,D,Q=new THREE.Vector3,K=new THREE.Vector3,L,E,F,N,R;0===this.drawcalls.length&&this.addDrawCall(0,c.length);var U=this.drawcalls,n=0;for(E=U.length;n<E;++n){L=U[n].start;F=U[n].count;var O=U[n].index,f=L;for(L+=F;f<L;f+=3)F=O+c[f],N=O+c[f+1],R=O+c[f+2],a(F,N,R)}var T=new THREE.Vector3,H=new THREE.Vector3,qa=new THREE.Vector3,Z=new THREE.Vector3,ea,ga,la,n=0;for(E=U.length;n<E;++n)for(L=U[n].start,F=U[n].count,O=U[n].index,f=L,L+=F;f<L;f+=3)F=O+c[f],N=O+c[f+1],R=O+c[f+2],b(F),b(N),b(R)}},computeOffsets:function(a){void 0===
-a&&(a=THREE.BufferGeometry.MaxIndex);for(var b=this.attributes.index.array,c=this.attributes.position.array,d=b.length/3,e=new (65535<c.length/3&&65535<THREE.BufferGeometry.MaxIndex?Uint32Array:Uint16Array)(b.length),g=0,f=0,h=[{start:0,count:0,index:0}],k=h[0],l=0,n=0,p=new Int32Array(6),m=new Int32Array(c.length),q=new Int32Array(c.length),s=0;s<c.length;s++)m[s]=-1,q[s]=-1;for(c=0;c<d;c++){for(var t=n=0;3>t;t++)s=b[3*c+t],-1===m[s]?(p[2*t]=s,p[2*t+1]=-1,n++):m[s]<k.index?(p[2*t]=s,p[2*t+1]=-1,
-l++):(p[2*t]=s,p[2*t+1]=m[s]);if(f+n>k.index+a)for(k={start:g,count:0,index:f},h.push(k),n=0;6>n;n+=2)t=p[n+1],-1<t&&t<k.index&&(p[n+1]=-1);for(n=0;6>n;n+=2)s=p[n],t=p[n+1],-1===t&&(t=f++),m[s]=t,q[t]=s,e[g++]=t-k.index,k.count++}this.reorderBuffers(e,q,f);this.clearDrawCalls();for(a=0;a<h.length;a++)b=h[a],this.addDrawCall(b.start,b.count,b.index)},merge:function(a,b){if(!1===a instanceof THREE.BufferGeometry)console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",
-a);else{void 0===b&&(b=0);var c=this.attributes,d;for(d in c)if(void 0!==a.attributes[d])for(var e=c[d].array,g=a.attributes[d],f=g.array,h=0,g=g.itemSize*b;h<f.length;h++,g++)e[g]=f[h];return this}},normalizeNormals:function(){for(var a=this.attributes.normal.array,b,c,d,e=0,g=a.length;e<g;e+=3)b=a[e],c=a[e+1],d=a[e+2],b=1/Math.sqrt(b*b+c*c+d*d),a[e]*=b,a[e+1]*=b,a[e+2]*=b},reorderBuffers:function(a,b,c){var d={},e;for(e in this.attributes)"index"!==e&&(d[e]=new this.attributes[e].array.constructor(this.attributes[e].itemSize*
-c));for(var g=0;g<c;g++){var f=b[g];for(e in this.attributes)if("index"!==e)for(var h=this.attributes[e].array,k=this.attributes[e].itemSize,l=d[e],n=0;n<k;n++)l[g*k+n]=h[f*k+n]}this.attributes.index.array=a;for(e in this.attributes)"index"!==e&&(this.attributes[e].array=d[e],this.attributes[e].numItems=this.attributes[e].itemSize*c)},toJSON:function(){var a={metadata:{version:4.4,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};a.uuid=this.uuid;a.type=this.type;""!==this.name&&(a.name=this.name);
-if(void 0!==this.parameters){var b=this.parameters,c;for(c in b)void 0!==b[c]&&(a[c]=b[c]);return a}a.data={attributes:{}};var b=this.attributes,d=this.drawcalls,e=this.boundingSphere;for(c in b){var g=b[c],f=Array.prototype.slice.call(g.array);a.data.attributes[c]={itemSize:g.itemSize,type:g.array.constructor.name,array:f}}0<d.length&&(a.data.drawcalls=JSON.parse(JSON.stringify(d)));null!==e&&(a.data.boundingSphere={center:e.center.toArray(),radius:e.radius});return a},clone:function(){return(new THREE.BufferGeometry).copy(this)},
-copy:function(a){for(var b in a.attributes)this.addAttribute(b,a.attributes[b].clone());b=0;for(var c=a.drawcalls.length;b<c;b++){var d=a.drawcalls[b];this.addDrawCall(d.start,d.count,d.index)}return this},dispose:function(){this.dispatchEvent({type:"dispose"})}};THREE.EventDispatcher.prototype.apply(THREE.BufferGeometry.prototype);THREE.BufferGeometry.MaxIndex=65535;
-THREE.InstancedBufferGeometry=function(){THREE.BufferGeometry.call(this);this.type="InstancedBufferGeometry";this.maxInstancedCount=void 0};THREE.InstancedBufferGeometry.prototype=Object.create(THREE.BufferGeometry.prototype);THREE.InstancedBufferGeometry.prototype.constructor=THREE.InstancedBufferGeometry;THREE.InstancedBufferGeometry.prototype.addDrawCall=function(a,b,c,d){this.drawcalls.push({start:a,count:b,index:void 0!==c?c:0,instances:d})};
+rotateX:function(){var a;return function(b){void 0===a&&(a=new THREE.Matrix4);a.makeRotationX(b);this.applyMatrix(a);return this}}(),rotateY:function(){var a;return function(b){void 0===a&&(a=new THREE.Matrix4);a.makeRotationY(b);this.applyMatrix(a);return this}}(),rotateZ:function(){var a;return function(b){void 0===a&&(a=new THREE.Matrix4);a.makeRotationZ(b);this.applyMatrix(a);return this}}(),translate:function(){var a;return function(b,c,d){void 0===a&&(a=new THREE.Matrix4);a.makeTranslation(b,
+c,d);this.applyMatrix(a);return this}}(),scale:function(){var a;return function(b,c,d){void 0===a&&(a=new THREE.Matrix4);a.makeScale(b,c,d);this.applyMatrix(a);return this}}(),lookAt:function(){var a;return function(b){void 0===a&&(a=new THREE.Object3D);a.lookAt(b);a.updateMatrix();this.applyMatrix(a.matrix)}}(),center:function(){this.computeBoundingBox();var a=this.boundingBox.center().negate();this.translate(a.x,a.y,a.z);return a},setFromObject:function(a){var b=a.geometry;if(a instanceof THREE.PointCloud||
+a instanceof THREE.Line){a=new THREE.Float32Attribute(3*b.vertices.length,3);var c=new THREE.Float32Attribute(3*b.colors.length,3);this.addAttribute("position",a.copyVector3sArray(b.vertices));this.addAttribute("color",c.copyColorsArray(b.colors));b.lineDistances&&b.lineDistances.length===b.vertices.length&&(a=new THREE.Float32Attribute(b.lineDistances.length,1),this.addAttribute("lineDistance",a.copyArray(b.lineDistances)));null!==b.boundingSphere&&(this.boundingSphere=b.boundingSphere.clone());
+null!==b.boundingBox&&(this.boundingBox=b.boundingBox.clone())}else a instanceof THREE.Mesh&&b instanceof THREE.Geometry&&this.fromGeometry(b);return this},updateFromObject:function(a){var b=a.geometry;if(a instanceof THREE.Mesh){a=b.__directGeometry;if(void 0===a)return this.fromGeometry(b);a.verticesNeedUpdate=b.verticesNeedUpdate;a.normalsNeedUpdate=b.normalsNeedUpdate;a.colorsNeedUpdate=b.colorsNeedUpdate;a.uvsNeedUpdate=b.uvsNeedUpdate;a.tangentsNeedUpdate=b.tangentsNeedUpdate;b.verticesNeedUpdate=
+!1;b.normalsNeedUpdate=!1;b.colorsNeedUpdate=!1;b.uvsNeedUpdate=!1;b.tangentsNeedUpdate=!1;b=a}!0===b.verticesNeedUpdate&&(a=this.attributes.position,void 0!==a&&(a.copyVector3sArray(b.vertices),a.needsUpdate=!0),b.verticesNeedUpdate=!1);!0===b.normalsNeedUpdate&&(a=this.attributes.normal,void 0!==a&&(a.copyVector3sArray(b.normals),a.needsUpdate=!0),b.normalsNeedUpdate=!1);!0===b.colorsNeedUpdate&&(a=this.attributes.color,void 0!==a&&(a.copyColorsArray(b.colors),a.needsUpdate=!0),b.colorsNeedUpdate=
+!1);!0===b.tangentsNeedUpdate&&(a=this.attributes.tangent,void 0!==a&&(a.copyVector4sArray(b.tangents),a.needsUpdate=!0),b.tangentsNeedUpdate=!1);b.lineDistancesNeedUpdate&&(a=this.attributes.lineDistance,void 0!==a&&(a.copyArray(b.lineDistances),a.needsUpdate=!0),b.lineDistancesNeedUpdate=!1);return this},fromGeometry:function(a){a.__directGeometry=(new THREE.DirectGeometry).fromGeometry(a);return this.fromDirectGeometry(a.__directGeometry)},fromDirectGeometry:function(a){var b=new Float32Array(3*
+a.vertices.length);this.addAttribute("position",(new THREE.BufferAttribute(b,3)).copyVector3sArray(a.vertices));0<a.normals.length&&(b=new Float32Array(3*a.normals.length),this.addAttribute("normal",(new THREE.BufferAttribute(b,3)).copyVector3sArray(a.normals)));0<a.colors.length&&(b=new Float32Array(3*a.colors.length),this.addAttribute("color",(new THREE.BufferAttribute(b,3)).copyColorsArray(a.colors)));0<a.uvs.length&&(b=new Float32Array(2*a.uvs.length),this.addAttribute("uv",(new THREE.BufferAttribute(b,
+2)).copyVector2sArray(a.uvs)));0<a.uvs2.length&&(b=new Float32Array(2*a.uvs2.length),this.addAttribute("uv2",(new THREE.BufferAttribute(b,2)).copyVector2sArray(a.uvs2)));0<a.tangents.length&&(b=new Float32Array(4*a.tangents.length),this.addAttribute("tangent",(new THREE.BufferAttribute(b,4)).copyVector4sArray(a.tangents)));0<a.indices.length&&(b=new Uint16Array(3*a.indices.length),this.addAttribute("index",(new THREE.BufferAttribute(b,1)).copyIndicesArray(a.indices)));for(var c in a.morphTargets){for(var b=
+[],d=a.morphTargets[c],e=0,g=d.length;e<g;e++){var f=d[e],h=new THREE.Float32Attribute(3*f.length,3);b.push(h.copyVector3sArray(f))}this.morphAttributes[c]=b}0<a.skinIndices.length&&(c=new THREE.Float32Attribute(4*a.skinIndices.length,4),this.addAttribute("skinIndex",c.copyVector4sArray(a.skinIndices)));0<a.skinWeights.length&&(c=new THREE.Float32Attribute(4*a.skinWeights.length,4),this.addAttribute("skinWeight",c.copyVector4sArray(a.skinWeights)));null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone());
+null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone());return this},computeBoundingBox:function(){var a=new THREE.Vector3;return function(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);var b=this.attributes.position.array;if(b){var c=this.boundingBox;c.makeEmpty();for(var d=0,e=b.length;d<e;d+=3)a.fromArray(b,d),c.expandByPoint(a)}if(void 0===b||0===b.length)this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0);(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||
+isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}}(),computeBoundingSphere:function(){var a=new THREE.Box3,b=new THREE.Vector3;return function(){null===this.boundingSphere&&(this.boundingSphere=new THREE.Sphere);var c=this.attributes.position.array;if(c){a.makeEmpty();for(var d=this.boundingSphere.center,e=0,g=c.length;e<g;e+=3)b.fromArray(c,e),a.expandByPoint(b);
+a.center(d);for(var f=0,e=0,g=c.length;e<g;e+=3)b.fromArray(c,e),f=Math.max(f,d.distanceToSquared(b));this.boundingSphere.radius=Math.sqrt(f);isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}}(),computeFaceNormals:function(){},computeVertexNormals:function(){var a=this.attributes;if(a.position){var b=a.position.array;if(void 0===a.normal)this.addAttribute("normal",
+new THREE.BufferAttribute(new Float32Array(b.length),3));else for(var c=a.normal.array,d=0,e=c.length;d<e;d++)c[d]=0;var c=a.normal.array,g,f,h,k=new THREE.Vector3,l=new THREE.Vector3,n=new THREE.Vector3,p=new THREE.Vector3,m=new THREE.Vector3;if(a.index){var q=a.index.array;0===this.drawcalls.length&&this.addDrawCall(0,q.length);for(var s=0,t=this.drawcalls.length;s<t;++s){e=this.drawcalls[s].start;g=this.drawcalls[s].count;for(var u=this.drawcalls[s].index,d=e,e=e+g;d<e;d+=3)g=3*(u+q[d]),f=3*(u+
+q[d+1]),h=3*(u+q[d+2]),k.fromArray(b,g),l.fromArray(b,f),n.fromArray(b,h),p.subVectors(n,l),m.subVectors(k,l),p.cross(m),c[g]+=p.x,c[g+1]+=p.y,c[g+2]+=p.z,c[f]+=p.x,c[f+1]+=p.y,c[f+2]+=p.z,c[h]+=p.x,c[h+1]+=p.y,c[h+2]+=p.z}}else for(d=0,e=b.length;d<e;d+=9)k.fromArray(b,d),l.fromArray(b,d+3),n.fromArray(b,d+6),p.subVectors(n,l),m.subVectors(k,l),p.cross(m),c[d]=p.x,c[d+1]=p.y,c[d+2]=p.z,c[d+3]=p.x,c[d+4]=p.y,c[d+5]=p.z,c[d+6]=p.x,c[d+7]=p.y,c[d+8]=p.z;this.normalizeNormals();a.normal.needsUpdate=
+!0}},computeTangents:function(){function a(a,b,c){p.fromArray(d,3*a);m.fromArray(d,3*b);q.fromArray(d,3*c);s.fromArray(g,2*a);t.fromArray(g,2*b);u.fromArray(g,2*c);x=m.x-p.x;v=q.x-p.x;y=m.y-p.y;w=q.y-p.y;z=m.z-p.z;C=q.z-p.z;A=t.x-s.x;B=u.x-s.x;S=t.y-s.y;I=u.y-s.y;D=1/(A*I-B*S);Q.set((I*x-S*v)*D,(I*y-S*w)*D,(I*z-S*C)*D);K.set((A*v-B*x)*D,(A*w-B*y)*D,(A*C-B*z)*D);k[a].add(Q);k[b].add(Q);k[c].add(Q);l[a].add(K);l[b].add(K);l[c].add(K)}function b(a){qa.fromArray(e,3*a);Z.copy(qa);ga=k[a];T.copy(ga);T.sub(qa.multiplyScalar(qa.dot(ga))).normalize();
+H.crossVectors(Z,ga);la=H.dot(l[a]);ea=0>la?-1:1;h[4*a]=T.x;h[4*a+1]=T.y;h[4*a+2]=T.z;h[4*a+3]=ea}if(void 0===this.attributes.index||void 0===this.attributes.position||void 0===this.attributes.normal||void 0===this.attributes.uv)console.warn("THREE.BufferGeometry: Missing required attributes (index, position, normal or uv) in BufferGeometry.computeTangents()");else{var c=this.attributes.index.array,d=this.attributes.position.array,e=this.attributes.normal.array,g=this.attributes.uv.array,f=d.length/
+3;void 0===this.attributes.tangent&&this.addAttribute("tangent",new THREE.BufferAttribute(new Float32Array(4*f),4));for(var h=this.attributes.tangent.array,k=[],l=[],n=0;n<f;n++)k[n]=new THREE.Vector3,l[n]=new THREE.Vector3;var p=new THREE.Vector3,m=new THREE.Vector3,q=new THREE.Vector3,s=new THREE.Vector2,t=new THREE.Vector2,u=new THREE.Vector2,x,v,y,w,z,C,A,B,S,I,D,Q=new THREE.Vector3,K=new THREE.Vector3,L,E,F,N,R;0===this.drawcalls.length&&this.addDrawCall(0,c.length);var U=this.drawcalls,n=0;
+for(E=U.length;n<E;++n){L=U[n].start;F=U[n].count;var O=U[n].index,f=L;for(L+=F;f<L;f+=3)F=O+c[f],N=O+c[f+1],R=O+c[f+2],a(F,N,R)}var T=new THREE.Vector3,H=new THREE.Vector3,qa=new THREE.Vector3,Z=new THREE.Vector3,ea,ga,la,n=0;for(E=U.length;n<E;++n)for(L=U[n].start,F=U[n].count,O=U[n].index,f=L,L+=F;f<L;f+=3)F=O+c[f],N=O+c[f+1],R=O+c[f+2],b(F),b(N),b(R)}},computeOffsets:function(a){void 0===a&&(a=THREE.BufferGeometry.MaxIndex);for(var b=this.attributes.index.array,c=this.attributes.position.array,
+d=b.length/3,e=new (65535<c.length/3&&65535<THREE.BufferGeometry.MaxIndex?Uint32Array:Uint16Array)(b.length),g=0,f=0,h=[{start:0,count:0,index:0}],k=h[0],l=0,n=0,p=new Int32Array(6),m=new Int32Array(c.length),q=new Int32Array(c.length),s=0;s<c.length;s++)m[s]=-1,q[s]=-1;for(c=0;c<d;c++){for(var t=n=0;3>t;t++)s=b[3*c+t],-1===m[s]?(p[2*t]=s,p[2*t+1]=-1,n++):m[s]<k.index?(p[2*t]=s,p[2*t+1]=-1,l++):(p[2*t]=s,p[2*t+1]=m[s]);if(f+n>k.index+a)for(k={start:g,count:0,index:f},h.push(k),n=0;6>n;n+=2)t=p[n+
+1],-1<t&&t<k.index&&(p[n+1]=-1);for(n=0;6>n;n+=2)s=p[n],t=p[n+1],-1===t&&(t=f++),m[s]=t,q[t]=s,e[g++]=t-k.index,k.count++}this.reorderBuffers(e,q,f);this.clearDrawCalls();for(a=0;a<h.length;a++)b=h[a],this.addDrawCall(b.start,b.count,b.index)},merge:function(a,b){if(!1===a instanceof THREE.BufferGeometry)console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",a);else{void 0===b&&(b=0);var c=this.attributes,d;for(d in c)if(void 0!==a.attributes[d])for(var e=
+c[d].array,g=a.attributes[d],f=g.array,h=0,g=g.itemSize*b;h<f.length;h++,g++)e[g]=f[h];return this}},normalizeNormals:function(){for(var a=this.attributes.normal.array,b,c,d,e=0,g=a.length;e<g;e+=3)b=a[e],c=a[e+1],d=a[e+2],b=1/Math.sqrt(b*b+c*c+d*d),a[e]*=b,a[e+1]*=b,a[e+2]*=b},reorderBuffers:function(a,b,c){var d={},e;for(e in this.attributes)"index"!==e&&(d[e]=new this.attributes[e].array.constructor(this.attributes[e].itemSize*c));for(var g=0;g<c;g++){var f=b[g];for(e in this.attributes)if("index"!==
+e)for(var h=this.attributes[e].array,k=this.attributes[e].itemSize,l=d[e],n=0;n<k;n++)l[g*k+n]=h[f*k+n]}this.attributes.index.array=a;for(e in this.attributes)"index"!==e&&(this.attributes[e].array=d[e],this.attributes[e].numItems=this.attributes[e].itemSize*c)},toJSON:function(){var a={metadata:{version:4.4,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};a.uuid=this.uuid;a.type=this.type;""!==this.name&&(a.name=this.name);if(void 0!==this.parameters){var b=this.parameters,c;for(c in b)void 0!==
+b[c]&&(a[c]=b[c]);return a}a.data={attributes:{}};var b=this.attributes,d=this.drawcalls,e=this.boundingSphere;for(c in b){var g=b[c],f=Array.prototype.slice.call(g.array);a.data.attributes[c]={itemSize:g.itemSize,type:g.array.constructor.name,array:f}}0<d.length&&(a.data.drawcalls=JSON.parse(JSON.stringify(d)));null!==e&&(a.data.boundingSphere={center:e.center.toArray(),radius:e.radius});return a},clone:function(){return(new THREE.BufferGeometry).copy(this)},copy:function(a){for(var b in a.attributes)this.addAttribute(b,
+a.attributes[b].clone());b=0;for(var c=a.drawcalls.length;b<c;b++){var d=a.drawcalls[b];this.addDrawCall(d.start,d.count,d.index)}return this},dispose:function(){this.dispatchEvent({type:"dispose"})}};THREE.EventDispatcher.prototype.apply(THREE.BufferGeometry.prototype);THREE.BufferGeometry.MaxIndex=65535;THREE.InstancedBufferGeometry=function(){THREE.BufferGeometry.call(this);this.type="InstancedBufferGeometry";this.maxInstancedCount=void 0};THREE.InstancedBufferGeometry.prototype=Object.create(THREE.BufferGeometry.prototype);
+THREE.InstancedBufferGeometry.prototype.constructor=THREE.InstancedBufferGeometry;THREE.InstancedBufferGeometry.prototype.addDrawCall=function(a,b,c,d){this.drawcalls.push({start:a,count:b,index:void 0!==c?c:0,instances:d})};
 THREE.InstancedBufferGeometry.prototype.clone=function(){var a=new THREE.InstancedBufferGeometry,b;for(b in this.attributes)a.addAttribute(b,this.attributes[b].clone());b=0;for(var c=this.drawcalls.length;b<c;b++){var d=this.drawcalls[b];a.addDrawCall(d.start,d.count,d.index,d.instances)}return a};THREE.EventDispatcher.prototype.apply(THREE.InstancedBufferGeometry.prototype);
 THREE.Camera=function(){THREE.Object3D.call(this);this.type="Camera";this.matrixWorldInverse=new THREE.Matrix4;this.projectionMatrix=new THREE.Matrix4};THREE.Camera.prototype=Object.create(THREE.Object3D.prototype);THREE.Camera.prototype.constructor=THREE.Camera;THREE.Camera.prototype.getWorldDirection=function(){var a=new THREE.Quaternion;return function(b){b=b||new THREE.Vector3;this.getWorldQuaternion(a);return b.set(0,0,-1).applyQuaternion(a)}}();
 THREE.Camera.prototype.lookAt=function(){var a=new THREE.Matrix4;return function(b){a.lookAt(this.position,b,this.up);this.quaternion.setFromRotationMatrix(a)}}();THREE.Camera.prototype.clone=function(){return(new THREE.Camera).copy(this)};THREE.Camera.prototype.copy=function(a){THREE.Object3D.prototype.copy.call(this,a);this.matrixWorldInverse.copy(a.matrixWorldInverse);this.projectionMatrix.copy(a.projectionMatrix);return this};
@@ -400,8 +404,8 @@ B=l.ray.origin.distanceTo(A),B<l.near||B>l.far||(q=z/3,s=q+1,t=q+2,n.push({dista
 object:this}))}}}}();THREE.Mesh.prototype.clone=function(){return(new THREE.Mesh(this.geometry,this.material)).copy(this)};THREE.Mesh.prototype.copy=function(a){THREE.Object3D.prototype.copy.call(this,a);return this};
 THREE.Mesh.prototype.toJSON=function(a){var b=THREE.Object3D.prototype.toJSON.call(this,a);void 0===a.geometries[this.geometry.uuid]&&(a.geometries[this.geometry.uuid]=this.geometry.toJSON(a));void 0===a.materials[this.material.uuid]&&(a.materials[this.material.uuid]=this.material.toJSON(a));b.object.geometry=this.geometry.uuid;b.object.material=this.material.uuid;return b};THREE.Bone=function(a){THREE.Object3D.call(this);this.type="Bone";this.skin=a};THREE.Bone.prototype=Object.create(THREE.Object3D.prototype);
 THREE.Bone.prototype.constructor=THREE.Bone;THREE.Bone.prototype.clone=function(){return(new THREE.Bone(this.skin)).copy(this)};THREE.Bone.prototype.copy=function(a){THREE.Object3D.prototype.copy.call(this,a);this.skin=a.skin;return this};
-THREE.Skeleton=function(a,b,c){this.useVertexTexture=void 0!==c?c:!0;this.identityMatrix=new THREE.Matrix4;a=a||[];this.bones=a.slice(0);this.useVertexTexture?(a=THREE.Math.nextPowerOfTwo(Math.sqrt(4*this.bones.length)),0===a&&(a=2),this.boneTextureHeight=this.boneTextureWidth=a,this.boneMatrices=new Float32Array(this.boneTextureWidth*this.boneTextureHeight*4),this.boneTexture=new THREE.DataTexture(this.boneMatrices,this.boneTextureWidth,this.boneTextureHeight,THREE.RGBAFormat,THREE.FloatType),this.boneTexture.minFilter=
-THREE.NearestFilter,this.boneTexture.magFilter=THREE.NearestFilter,this.boneTexture.generateMipmaps=!1,this.boneTexture.flipY=!1):this.boneMatrices=new Float32Array(16*this.bones.length);if(void 0===b)this.calculateInverses();else if(this.bones.length===b.length)this.boneInverses=b.slice(0);else for(console.warn("THREE.Skeleton bonInverses is the wrong length."),this.boneInverses=[],b=0,a=this.bones.length;b<a;b++)this.boneInverses.push(new THREE.Matrix4)};
+THREE.Skeleton=function(a,b,c){this.useVertexTexture=void 0!==c?c:!0;this.identityMatrix=new THREE.Matrix4;a=a||[];this.bones=a.slice(0);this.useVertexTexture?(a=Math.sqrt(4*this.bones.length),a=THREE.Math.nextPowerOfTwo(Math.ceil(a)),this.boneTextureHeight=this.boneTextureWidth=a=Math.max(a,4),this.boneMatrices=new Float32Array(this.boneTextureWidth*this.boneTextureHeight*4),this.boneTexture=new THREE.DataTexture(this.boneMatrices,this.boneTextureWidth,this.boneTextureHeight,THREE.RGBAFormat,THREE.FloatType),
+this.boneTexture.minFilter=THREE.NearestFilter,this.boneTexture.magFilter=THREE.NearestFilter,this.boneTexture.generateMipmaps=!1,this.boneTexture.flipY=!1):this.boneMatrices=new Float32Array(16*this.bones.length);if(void 0===b)this.calculateInverses();else if(this.bones.length===b.length)this.boneInverses=b.slice(0);else for(console.warn("THREE.Skeleton bonInverses is the wrong length."),this.boneInverses=[],b=0,a=this.bones.length;b<a;b++)this.boneInverses.push(new THREE.Matrix4)};
 THREE.Skeleton.prototype.calculateInverses=function(){this.boneInverses=[];for(var a=0,b=this.bones.length;a<b;a++){var c=new THREE.Matrix4;this.bones[a]&&c.getInverse(this.bones[a].matrixWorld);this.boneInverses.push(c)}};
 THREE.Skeleton.prototype.pose=function(){for(var a,b=0,c=this.bones.length;b<c;b++)(a=this.bones[b])&&a.matrixWorld.getInverse(this.boneInverses[b]);b=0;for(c=this.bones.length;b<c;b++)if(a=this.bones[b])a.parent?(a.matrix.getInverse(a.parent.matrixWorld),a.matrix.multiply(a.matrixWorld)):a.matrix.copy(a.matrixWorld),a.matrix.decompose(a.position,a.quaternion,a.scale)};
 THREE.Skeleton.prototype.update=function(){var a=new THREE.Matrix4;return function(){for(var b=0,c=this.bones.length;b<c;b++)a.multiplyMatrices(this.bones[b]?this.bones[b].matrixWorld:this.identityMatrix,this.boneInverses[b]),a.flattenToArrayOffset(this.boneMatrices,16*b);this.useVertexTexture&&(this.boneTexture.needsUpdate=!0)}}();THREE.Skeleton.prototype.clone=function(){return new THREE.Skeleton(this.bones,this.boneInverses,this.useVertexTexture)};
@@ -825,10 +829,10 @@ b[e+2]=h.z;this.addAttribute("position",new THREE.BufferAttribute(b,3))}else if(
 h+1]=b[1],c[m]=!0,h++)}b=new Float32Array(6*h);a=0;for(l=h;a<l;a++)for(p=0;2>p;p++)e=6*a+3*p,h=k[2*a+p],b[e+0]=g.getX(h),b[e+1]=g.getY(h),b[e+2]=g.getZ(h)}else for(g=a.attributes.position.array,h=g.length/3,k=h/3,b=new Float32Array(6*h),a=0,l=k;a<l;a++)for(p=0;3>p;p++)e=18*a+6*p,k=9*a+3*p,b[e+0]=g[k],b[e+1]=g[k+1],b[e+2]=g[k+2],h=9*a+(p+1)%3*3,b[e+3]=g[h],b[e+4]=g[h+1],b[e+5]=g[h+2];this.addAttribute("position",new THREE.BufferAttribute(b,3))}};THREE.WireframeGeometry.prototype=Object.create(THREE.BufferGeometry.prototype);
 THREE.WireframeGeometry.prototype.constructor=THREE.WireframeGeometry;THREE.AxisHelper=function(a){a=a||1;var b=new Float32Array([0,0,0,a,0,0,0,0,0,0,a,0,0,0,0,0,0,a]),c=new Float32Array([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1]);a=new THREE.BufferGeometry;a.addAttribute("position",new THREE.BufferAttribute(b,3));a.addAttribute("color",new THREE.BufferAttribute(c,3));b=new THREE.LineBasicMaterial({vertexColors:THREE.VertexColors});THREE.LineSegments.call(this,a,b)};THREE.AxisHelper.prototype=Object.create(THREE.LineSegments.prototype);
 THREE.AxisHelper.prototype.constructor=THREE.AxisHelper;
-THREE.ArrowHelper=function(){var a=new THREE.Geometry;a.vertices.push(new THREE.Vector3(0,0,0),new THREE.Vector3(0,1,0));var b=new THREE.CylinderGeometry(0,.5,1,5,1);b.applyMatrix((new THREE.Matrix4).makeTranslation(0,-.5,0));return function(c,d,e,g,f,h){THREE.Object3D.call(this);void 0===g&&(g=16776960);void 0===e&&(e=1);void 0===f&&(f=.2*e);void 0===h&&(h=.2*f);this.position.copy(d);this.line=new THREE.Line(a,new THREE.LineBasicMaterial({color:g}));this.line.matrixAutoUpdate=!1;this.add(this.line);
-this.cone=new THREE.Mesh(b,new THREE.MeshBasicMaterial({color:g}));this.cone.matrixAutoUpdate=!1;this.add(this.cone);this.setDirection(c);this.setLength(e,f,h)}}();THREE.ArrowHelper.prototype=Object.create(THREE.Object3D.prototype);THREE.ArrowHelper.prototype.constructor=THREE.ArrowHelper;
-THREE.ArrowHelper.prototype.setDirection=function(){var a=new THREE.Vector3,b;return function(c){.99999<c.y?this.quaternion.set(0,0,0,1):-.99999>c.y?this.quaternion.set(1,0,0,0):(a.set(c.z,0,-c.x).normalize(),b=Math.acos(c.y),this.quaternion.setFromAxisAngle(a,b))}}();THREE.ArrowHelper.prototype.setLength=function(a,b,c){void 0===b&&(b=.2*a);void 0===c&&(c=.2*b);this.line.scale.set(1,a-b,1);this.line.updateMatrix();this.cone.scale.set(c,b,c);this.cone.position.y=a;this.cone.updateMatrix()};
-THREE.ArrowHelper.prototype.setColor=function(a){this.line.material.color.set(a);this.cone.material.color.set(a)};THREE.BoxHelper=function(a){var b=new THREE.BufferGeometry;b.addAttribute("position",new THREE.BufferAttribute(new Float32Array(72),3));THREE.LineSegments.call(this,b,new THREE.LineBasicMaterial({color:16776960}));void 0!==a&&this.update(a)};THREE.BoxHelper.prototype=Object.create(THREE.LineSegments.prototype);THREE.BoxHelper.prototype.constructor=THREE.BoxHelper;
+THREE.ArrowHelper=function(){var a=new THREE.Geometry;a.vertices.push(new THREE.Vector3(0,0,0),new THREE.Vector3(0,1,0));var b=new THREE.CylinderGeometry(0,.5,1,5,1);b.translate(0,-.5,0);return function(c,d,e,g,f,h){THREE.Object3D.call(this);void 0===g&&(g=16776960);void 0===e&&(e=1);void 0===f&&(f=.2*e);void 0===h&&(h=.2*f);this.position.copy(d);this.line=new THREE.Line(a,new THREE.LineBasicMaterial({color:g}));this.line.matrixAutoUpdate=!1;this.add(this.line);this.cone=new THREE.Mesh(b,new THREE.MeshBasicMaterial({color:g}));
+this.cone.matrixAutoUpdate=!1;this.add(this.cone);this.setDirection(c);this.setLength(e,f,h)}}();THREE.ArrowHelper.prototype=Object.create(THREE.Object3D.prototype);THREE.ArrowHelper.prototype.constructor=THREE.ArrowHelper;THREE.ArrowHelper.prototype.setDirection=function(){var a=new THREE.Vector3,b;return function(c){.99999<c.y?this.quaternion.set(0,0,0,1):-.99999>c.y?this.quaternion.set(1,0,0,0):(a.set(c.z,0,-c.x).normalize(),b=Math.acos(c.y),this.quaternion.setFromAxisAngle(a,b))}}();
+THREE.ArrowHelper.prototype.setLength=function(a,b,c){void 0===b&&(b=.2*a);void 0===c&&(c=.2*b);this.line.scale.set(1,a-b,1);this.line.updateMatrix();this.cone.scale.set(c,b,c);this.cone.position.y=a;this.cone.updateMatrix()};THREE.ArrowHelper.prototype.setColor=function(a){this.line.material.color.set(a);this.cone.material.color.set(a)};
+THREE.BoxHelper=function(a){var b=new THREE.BufferGeometry;b.addAttribute("position",new THREE.BufferAttribute(new Float32Array(72),3));THREE.LineSegments.call(this,b,new THREE.LineBasicMaterial({color:16776960}));void 0!==a&&this.update(a)};THREE.BoxHelper.prototype=Object.create(THREE.LineSegments.prototype);THREE.BoxHelper.prototype.constructor=THREE.BoxHelper;
 THREE.BoxHelper.prototype.update=function(){var a=new THREE.Box3;return function(b){a.setFromObject(b);if(!a.empty()){b=a.min;var c=a.max,d=this.geometry.attributes.position.array;d[0]=c.x;d[1]=c.y;d[2]=c.z;d[3]=b.x;d[4]=c.y;d[5]=c.z;d[6]=b.x;d[7]=c.y;d[8]=c.z;d[9]=b.x;d[10]=b.y;d[11]=c.z;d[12]=b.x;d[13]=b.y;d[14]=c.z;d[15]=c.x;d[16]=b.y;d[17]=c.z;d[18]=c.x;d[19]=b.y;d[20]=c.z;d[21]=c.x;d[22]=c.y;d[23]=c.z;d[24]=c.x;d[25]=c.y;d[26]=b.z;d[27]=b.x;d[28]=c.y;d[29]=b.z;d[30]=b.x;d[31]=c.y;d[32]=b.z;d[33]=
 b.x;d[34]=b.y;d[35]=b.z;d[36]=b.x;d[37]=b.y;d[38]=b.z;d[39]=c.x;d[40]=b.y;d[41]=b.z;d[42]=c.x;d[43]=b.y;d[44]=b.z;d[45]=c.x;d[46]=c.y;d[47]=b.z;d[48]=c.x;d[49]=c.y;d[50]=c.z;d[51]=c.x;d[52]=c.y;d[53]=b.z;d[54]=b.x;d[55]=c.y;d[56]=c.z;d[57]=b.x;d[58]=c.y;d[59]=b.z;d[60]=b.x;d[61]=b.y;d[62]=c.z;d[63]=b.x;d[64]=b.y;d[65]=b.z;d[66]=c.x;d[67]=b.y;d[68]=c.z;d[69]=c.x;d[70]=b.y;d[71]=b.z;this.geometry.attributes.position.needsUpdate=!0;this.geometry.computeBoundingSphere()}}}();
 THREE.BoundingBoxHelper=function(a,b){var c=void 0!==b?b:8947848;this.object=a;this.box=new THREE.Box3;THREE.Mesh.call(this,new THREE.BoxGeometry(1,1,1),new THREE.MeshBasicMaterial({color:c,wireframe:!0}))};THREE.BoundingBoxHelper.prototype=Object.create(THREE.Mesh.prototype);THREE.BoundingBoxHelper.prototype.constructor=THREE.BoundingBoxHelper;THREE.BoundingBoxHelper.prototype.update=function(){this.box.setFromObject(this.object);this.box.size(this.scale);this.box.center(this.position)};
@@ -848,17 +852,16 @@ THREE.FaceNormalsHelper.prototype.update=function(){var a=new THREE.Vector3,b=ne
 d.setXYZ(f,a.x,a.y,a.z);f+=1;d.setXYZ(f,b.x,b.y,b.z);f+=1}d.needsUpdate=!0;return this}}();
 THREE.GridHelper=function(a,b){var c=new THREE.Geometry,d=new THREE.LineBasicMaterial({vertexColors:THREE.VertexColors});this.color1=new THREE.Color(4473924);this.color2=new THREE.Color(8947848);for(var e=-a;e<=a;e+=b){c.vertices.push(new THREE.Vector3(-a,0,e),new THREE.Vector3(a,0,e),new THREE.Vector3(e,0,-a),new THREE.Vector3(e,0,a));var g=0===e?this.color1:this.color2;c.colors.push(g,g,g,g)}THREE.LineSegments.call(this,c,d)};THREE.GridHelper.prototype=Object.create(THREE.LineSegments.prototype);
 THREE.GridHelper.prototype.constructor=THREE.GridHelper;THREE.GridHelper.prototype.setColors=function(a,b){this.color1.set(a);this.color2.set(b);this.geometry.colorsNeedUpdate=!0};
-THREE.HemisphereLightHelper=function(a,b){THREE.Object3D.call(this);this.light=a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.colors=[new THREE.Color,new THREE.Color];var c=new THREE.SphereGeometry(b,4,2);c.applyMatrix((new THREE.Matrix4).makeRotationX(-Math.PI/2));for(var d=0;8>d;d++)c.faces[d].color=this.colors[4>d?0:1];d=new THREE.MeshBasicMaterial({vertexColors:THREE.FaceColors,wireframe:!0});this.lightSphere=new THREE.Mesh(c,d);this.add(this.lightSphere);
-this.update()};THREE.HemisphereLightHelper.prototype=Object.create(THREE.Object3D.prototype);THREE.HemisphereLightHelper.prototype.constructor=THREE.HemisphereLightHelper;THREE.HemisphereLightHelper.prototype.dispose=function(){this.lightSphere.geometry.dispose();this.lightSphere.material.dispose()};
+THREE.HemisphereLightHelper=function(a,b){THREE.Object3D.call(this);this.light=a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.colors=[new THREE.Color,new THREE.Color];var c=new THREE.SphereGeometry(b,4,2);c.rotateX(-Math.PI/2);for(var d=0;8>d;d++)c.faces[d].color=this.colors[4>d?0:1];d=new THREE.MeshBasicMaterial({vertexColors:THREE.FaceColors,wireframe:!0});this.lightSphere=new THREE.Mesh(c,d);this.add(this.lightSphere);this.update()};
+THREE.HemisphereLightHelper.prototype=Object.create(THREE.Object3D.prototype);THREE.HemisphereLightHelper.prototype.constructor=THREE.HemisphereLightHelper;THREE.HemisphereLightHelper.prototype.dispose=function(){this.lightSphere.geometry.dispose();this.lightSphere.material.dispose()};
 THREE.HemisphereLightHelper.prototype.update=function(){var a=new THREE.Vector3;return function(){this.colors[0].copy(this.light.color).multiplyScalar(this.light.intensity);this.colors[1].copy(this.light.groundColor).multiplyScalar(this.light.intensity);this.lightSphere.lookAt(a.setFromMatrixPosition(this.light.matrixWorld).negate());this.lightSphere.geometry.colorsNeedUpdate=!0}}();
 THREE.PointLightHelper=function(a,b){this.light=a;this.light.updateMatrixWorld();var c=new THREE.SphereGeometry(b,4,2),d=new THREE.MeshBasicMaterial({wireframe:!0,fog:!1});d.color.copy(this.light.color).multiplyScalar(this.light.intensity);THREE.Mesh.call(this,c,d);this.matrix=this.light.matrixWorld;this.matrixAutoUpdate=!1};THREE.PointLightHelper.prototype=Object.create(THREE.Mesh.prototype);THREE.PointLightHelper.prototype.constructor=THREE.PointLightHelper;
 THREE.PointLightHelper.prototype.dispose=function(){this.geometry.dispose();this.material.dispose()};THREE.PointLightHelper.prototype.update=function(){this.material.color.copy(this.light.color).multiplyScalar(this.light.intensity)};
 THREE.SkeletonHelper=function(a){this.bones=this.getBoneList(a);for(var b=new THREE.Geometry,c=0;c<this.bones.length;c++)this.bones[c].parent instanceof THREE.Bone&&(b.vertices.push(new THREE.Vector3),b.vertices.push(new THREE.Vector3),b.colors.push(new THREE.Color(0,0,1)),b.colors.push(new THREE.Color(0,1,0)));b.dynamic=!0;c=new THREE.LineBasicMaterial({vertexColors:THREE.VertexColors,depthTest:!1,depthWrite:!1,transparent:!0});THREE.LineSegments.call(this,b,c);this.root=a;this.matrix=a.matrixWorld;
 this.matrixAutoUpdate=!1;this.update()};THREE.SkeletonHelper.prototype=Object.create(THREE.LineSegments.prototype);THREE.SkeletonHelper.prototype.constructor=THREE.SkeletonHelper;THREE.SkeletonHelper.prototype.getBoneList=function(a){var b=[];a instanceof THREE.Bone&&b.push(a);for(var c=0;c<a.children.length;c++)b.push.apply(b,this.getBoneList(a.children[c]));return b};
 THREE.SkeletonHelper.prototype.update=function(){for(var a=this.geometry,b=(new THREE.Matrix4).getInverse(this.root.matrixWorld),c=new THREE.Matrix4,d=0,e=0;e<this.bones.length;e++){var g=this.bones[e];g.parent instanceof THREE.Bone&&(c.multiplyMatrices(b,g.matrixWorld),a.vertices[d].setFromMatrixPosition(c),c.multiplyMatrices(b,g.parent.matrixWorld),a.vertices[d+1].setFromMatrixPosition(c),d+=2)}a.verticesNeedUpdate=!0;a.computeBoundingSphere()};
-THREE.SpotLightHelper=function(a){THREE.Object3D.call(this);this.light=a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;a=new THREE.CylinderGeometry(0,1,1,8,1,!0);a.applyMatrix((new THREE.Matrix4).makeTranslation(0,-.5,0));a.applyMatrix((new THREE.Matrix4).makeRotationX(-Math.PI/2));var b=new THREE.MeshBasicMaterial({wireframe:!0,fog:!1});this.cone=new THREE.Mesh(a,b);this.add(this.cone);this.update()};THREE.SpotLightHelper.prototype=Object.create(THREE.Object3D.prototype);
-THREE.SpotLightHelper.prototype.constructor=THREE.SpotLightHelper;THREE.SpotLightHelper.prototype.dispose=function(){this.cone.geometry.dispose();this.cone.material.dispose()};
-THREE.SpotLightHelper.prototype.update=function(){var a=new THREE.Vector3,b=new THREE.Vector3;return function(){var c=this.light.distance?this.light.distance:1E4,d=c*Math.tan(this.light.angle);this.cone.scale.set(d,d,c);a.setFromMatrixPosition(this.light.matrixWorld);b.setFromMatrixPosition(this.light.target.matrixWorld);this.cone.lookAt(b.sub(a));this.cone.material.color.copy(this.light.color).multiplyScalar(this.light.intensity)}}();
+THREE.SpotLightHelper=function(a){THREE.Object3D.call(this);this.light=a;this.light.updateMatrixWorld();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;a=new THREE.CylinderGeometry(0,1,1,8,1,!0);a.translate(0,-.5,0);a.rotateX(-Math.PI/2);var b=new THREE.MeshBasicMaterial({wireframe:!0,fog:!1});this.cone=new THREE.Mesh(a,b);this.add(this.cone);this.update()};THREE.SpotLightHelper.prototype=Object.create(THREE.Object3D.prototype);THREE.SpotLightHelper.prototype.constructor=THREE.SpotLightHelper;
+THREE.SpotLightHelper.prototype.dispose=function(){this.cone.geometry.dispose();this.cone.material.dispose()};THREE.SpotLightHelper.prototype.update=function(){var a=new THREE.Vector3,b=new THREE.Vector3;return function(){var c=this.light.distance?this.light.distance:1E4,d=c*Math.tan(this.light.angle);this.cone.scale.set(d,d,c);a.setFromMatrixPosition(this.light.matrixWorld);b.setFromMatrixPosition(this.light.target.matrixWorld);this.cone.lookAt(b.sub(a));this.cone.material.color.copy(this.light.color).multiplyScalar(this.light.intensity)}}();
 THREE.VertexNormalsHelper=function(a,b,c,d){this.object=a;this.size=void 0!==b?b:1;a=void 0!==c?c:16711680;d=void 0!==d?d:1;b=0;c=this.object.geometry;c instanceof THREE.Geometry?b=3*c.faces.length:c instanceof THREE.BufferGeometry&&(b=c.attributes.normal.count);c=new THREE.BufferGeometry;b=new THREE.Float32Attribute(6*b,3);c.addAttribute("position",b);THREE.LineSegments.call(this,c,new THREE.LineBasicMaterial({color:a,linewidth:d}));this.matrixAutoUpdate=!1;this.normalMatrix=new THREE.Matrix3;this.update()};
 THREE.VertexNormalsHelper.prototype=Object.create(THREE.LineSegments.prototype);THREE.VertexNormalsHelper.prototype.constructor=THREE.VertexNormalsHelper;
 THREE.VertexNormalsHelper.prototype.update=function(){var a=new THREE.Vector3,b=new THREE.Vector3;return function(){var c=["a","b","c"];this.object.updateMatrixWorld(!0);this.normalMatrix.getNormalMatrix(this.object.matrixWorld);var d=this.object.matrixWorld,e=this.geometry.attributes.position,g=this.object.geometry;if(g instanceof THREE.Geometry)for(var f=g.vertices,h=g.faces,k=g=0,l=h.length;k<l;k++)for(var n=h[k],p=0,m=n.vertexNormals.length;p<m;p++){var q=n.vertexNormals[p];a.copy(f[n[c[p]]]).applyMatrix4(d);