Updated builds.

build/three.js

@@ -3551,7 +3551,7 @@ THREE.Euler.prototype = {
 
 		} else {
 
-			console.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order )
+			console.warn( 'THREE.Euler: .setFromRotationMatrix() given unsupported order: ' + order );
 
 		}
 
@@ -4056,8 +4056,6 @@ THREE.Box3.prototype = {
 
 	setFromArray: function ( array ) {
 
-		this.makeEmpty();
-
 		var minX = + Infinity;
 		var minY = + Infinity;
 		var minZ = + Infinity;
@@ -4066,7 +4064,7 @@ THREE.Box3.prototype = {
 		var maxY = - Infinity;
 		var maxZ = - Infinity;
 
-		for ( var i = 0, il = array.length; i < il; i += 3 ) {
+		for ( var i = 0, l = array.length; i < l; i += 3 ) {
 
 			var x = array[ i ];
 			var y = array[ i + 1 ];
@@ -11973,16 +11971,13 @@ THREE.BufferGeometry.prototype = {
 
 		var positions = this.attributes.position.array;
 
-		if ( positions ) {
+		if ( positions !== undefined ) {
 
 			this.boundingBox.setFromArray( positions );
 
-		}
-
-		if ( positions === undefined || positions.length === 0 ) {
+		} else {
 
-			this.boundingBox.min.set( 0, 0, 0 );
-			this.boundingBox.max.set( 0, 0, 0 );
+			this.boundingBox.makeEmpty();
 
 		}
 
@@ -27593,7 +27588,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 		state.activeTexture( _gl.TEXTURE0 + slot );
 		state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture );
 
-	};
+	}
 
 	function clampToMaxSize ( image, maxSize ) {
 
@@ -28000,7 +27995,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		return _currentRenderTarget;
 
-	}
+	};
 
 	this.setRenderTarget = function ( renderTarget ) {
 
@@ -28093,18 +28088,17 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 				var texture = renderTarget.texture;
 
-				if ( texture.format !== THREE.RGBAFormat
-					&& paramThreeToGL( texture.format ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {
+				if ( texture.format !== THREE.RGBAFormat && paramThreeToGL( texture.format ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) {
 
 					console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' );
 					return;
 
 				}
 
-				if ( texture.type !== THREE.UnsignedByteType
-					&& paramThreeToGL( texture.type ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE )
-					&& ! ( texture.type === THREE.FloatType && extensions.get( 'WEBGL_color_buffer_float' ) )
-					&& ! ( texture.type === THREE.HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {
+				if ( texture.type !== THREE.UnsignedByteType &&
+				     paramThreeToGL( texture.type ) !== _gl.getParameter( _gl.IMPLEMENTATION_COLOR_READ_TYPE ) &&
+				     ! ( texture.type === THREE.FloatType && extensions.get( 'WEBGL_color_buffer_float' ) ) &&
+				     ! ( texture.type === THREE.HalfFloatType && extensions.get( 'EXT_color_buffer_half_float' ) ) ) {
 
 					console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' );
 					return;

build/three.min.js

@@ -84,15 +84,15 @@ return this},makeEmpty:function(){this.min.x=this.min.y=Infinity;this.max.x=this
 this.max.addScalar(a);return this},containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y?!0:!1},getParameter:function(a,b){return(b||new THREE.Vector2).set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>
 this.max.y?!1:!0},clampPoint:function(a,b){return(b||new THREE.Vector2).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new THREE.Vector2;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&
 a.max.equals(this.max)}};THREE.Box3=function(a,b){this.min=void 0!==a?a:new THREE.Vector3(Infinity,Infinity,Infinity);this.max=void 0!==b?b:new THREE.Vector3(-Infinity,-Infinity,-Infinity)};
-THREE.Box3.prototype={constructor:THREE.Box3,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromArray:function(a){this.makeEmpty();for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.length;h<k;h+=3){var l=a[h],n=a[h+1],p=a[h+2];l<b&&(b=l);n<c&&(c=n);p<d&&(d=p);l>e&&(e=l);n>f&&(f=n);p>g&&(g=p)}this.min.set(b,c,d);this.max.set(e,f,g)},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b<c;b++)this.expandByPoint(a[b]);return this},
-setFromCenterAndSize:function(){var a=new THREE.Vector3;return function(b,c){var d=a.copy(c).multiplyScalar(.5);this.min.copy(b).sub(d);this.max.copy(b).add(d);return this}}(),setFromObject:function(){var a=new THREE.Vector3;return function(b){var c=this;b.updateMatrixWorld(!0);this.makeEmpty();b.traverse(function(b){var e=b.geometry;if(void 0!==e)if(e instanceof THREE.Geometry)for(var f=e.vertices,e=0,g=f.length;e<g;e++)a.copy(f[e]),a.applyMatrix4(b.matrixWorld),c.expandByPoint(a);else if(e instanceof
-THREE.BufferGeometry&&void 0!==e.attributes.position)for(f=e.attributes.position.array,e=0,g=f.length;e<g;e+=3)a.fromArray(f,e),a.applyMatrix4(b.matrixWorld),c.expandByPoint(a)});return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},makeEmpty:function(){this.min.x=this.min.y=this.min.z=Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<
-this.min.y||this.max.z<this.min.z},center:function(a){return(a||new THREE.Vector3).addVectors(this.min,this.max).multiplyScalar(.5)},size:function(a){return(a||new THREE.Vector3).subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||
-a.y<this.min.y||a.y>this.max.y||a.z<this.min.z||a.z>this.max.z?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&a.max.z<=this.max.z?!0:!1},getParameter:function(a,b){return(b||new THREE.Vector3).set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||
-a.min.y>this.max.y||a.max.z<this.min.z||a.min.z>this.max.z?!1:!0},intersectsSphere:function(){var a;return function(b){void 0===a&&(a=new THREE.Vector3);this.clampPoint(b.center,a);return a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){var b,c;0<a.normal.x?(b=a.normal.x*this.min.x,c=a.normal.x*this.max.x):(b=a.normal.x*this.max.x,c=a.normal.x*this.min.x);0<a.normal.y?(b+=a.normal.y*this.min.y,c+=a.normal.y*this.max.y):(b+=a.normal.y*this.max.y,c+=a.normal.y*this.min.y);
-0<a.normal.z?(b+=a.normal.z*this.min.z,c+=a.normal.z*this.max.z):(b+=a.normal.z*this.max.z,c+=a.normal.z*this.min.z);return b<=a.constant&&c>=a.constant},clampPoint:function(a,b){return(b||new THREE.Vector3).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new THREE.Vector3;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),getBoundingSphere:function(){var a=new THREE.Vector3;return function(b){b=b||new THREE.Sphere;b.center=this.center();b.radius=.5*
-this.size(a).length();return b}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);this.isEmpty()&&this.makeEmpty();return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},applyMatrix4:function(){var a=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];return function(b){if(this.isEmpty())return this;a[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(b);a[1].set(this.min.x,
-this.min.y,this.max.z).applyMatrix4(b);a[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(b);a[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(b);a[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(b);a[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(b);a[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(b);a[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(b);this.setFromPoints(a);return this}}(),translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&
+THREE.Box3.prototype={constructor:THREE.Box3,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromArray:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.length;h<k;h+=3){var l=a[h],n=a[h+1],p=a[h+2];l<b&&(b=l);n<c&&(c=n);p<d&&(d=p);l>e&&(e=l);n>f&&(f=n);p>g&&(g=p)}this.min.set(b,c,d);this.max.set(e,f,g)},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b<c;b++)this.expandByPoint(a[b]);return this},setFromCenterAndSize:function(){var a=
+new THREE.Vector3;return function(b,c){var d=a.copy(c).multiplyScalar(.5);this.min.copy(b).sub(d);this.max.copy(b).add(d);return this}}(),setFromObject:function(){var a=new THREE.Vector3;return function(b){var c=this;b.updateMatrixWorld(!0);this.makeEmpty();b.traverse(function(b){var e=b.geometry;if(void 0!==e)if(e instanceof THREE.Geometry)for(var f=e.vertices,e=0,g=f.length;e<g;e++)a.copy(f[e]),a.applyMatrix4(b.matrixWorld),c.expandByPoint(a);else if(e instanceof THREE.BufferGeometry&&void 0!==
+e.attributes.position)for(f=e.attributes.position.array,e=0,g=f.length;e<g;e+=3)a.fromArray(f,e),a.applyMatrix4(b.matrixWorld),c.expandByPoint(a)});return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},makeEmpty:function(){this.min.x=this.min.y=this.min.z=Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},
+center:function(a){return(a||new THREE.Vector3).addVectors(this.min,this.max).multiplyScalar(.5)},size:function(a){return(a||new THREE.Vector3).subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y||a.z<
+this.min.z||a.z>this.max.z?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&a.max.z<=this.max.z?!0:!1},getParameter:function(a,b){return(b||new THREE.Vector3).set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y||a.max.z<
+this.min.z||a.min.z>this.max.z?!1:!0},intersectsSphere:function(){var a;return function(b){void 0===a&&(a=new THREE.Vector3);this.clampPoint(b.center,a);return a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){var b,c;0<a.normal.x?(b=a.normal.x*this.min.x,c=a.normal.x*this.max.x):(b=a.normal.x*this.max.x,c=a.normal.x*this.min.x);0<a.normal.y?(b+=a.normal.y*this.min.y,c+=a.normal.y*this.max.y):(b+=a.normal.y*this.max.y,c+=a.normal.y*this.min.y);0<a.normal.z?(b+=a.normal.z*
+this.min.z,c+=a.normal.z*this.max.z):(b+=a.normal.z*this.max.z,c+=a.normal.z*this.min.z);return b<=a.constant&&c>=a.constant},clampPoint:function(a,b){return(b||new THREE.Vector3).copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=new THREE.Vector3;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),getBoundingSphere:function(){var a=new THREE.Vector3;return function(b){b=b||new THREE.Sphere;b.center=this.center();b.radius=.5*this.size(a).length();return b}}(),
+intersect:function(a){this.min.max(a.min);this.max.min(a.max);this.isEmpty()&&this.makeEmpty();return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},applyMatrix4:function(){var a=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];return function(b){if(this.isEmpty())return this;a[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(b);a[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(b);
+a[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(b);a[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(b);a[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(b);a[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(b);a[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(b);a[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(b);this.setFromPoints(a);return this}}(),translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&
 a.max.equals(this.max)}};THREE.Matrix3=function(){this.elements=new Float32Array([1,0,0,0,1,0,0,0,1]);0<arguments.length&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")};
 THREE.Matrix3.prototype={constructor:THREE.Matrix3,set:function(a,b,c,d,e,f,g,h,k){var l=this.elements;l[0]=a;l[1]=d;l[2]=g;l[3]=b;l[4]=e;l[5]=h;l[6]=c;l[7]=f;l[8]=k;return this},identity:function(){this.set(1,0,0,0,1,0,0,0,1);return this},clone:function(){return(new this.constructor).fromArray(this.elements)},copy:function(a){a=a.elements;this.set(a[0],a[3],a[6],a[1],a[4],a[7],a[2],a[5],a[8]);return this},setFromMatrix4:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[1],a[5],a[9],a[2],a[6],a[10]);
 return this},applyToVector3Array:function(){var a;return function(b,c,d){void 0===a&&(a=new THREE.Vector3);void 0===c&&(c=0);void 0===d&&(d=b.length);for(var e=0;e<d;e+=3,c+=3)a.fromArray(b,c),a.applyMatrix3(this),a.toArray(b,c);return b}}(),applyToBuffer:function(){var a;return function(b,c,d){void 0===a&&(a=new THREE.Vector3);void 0===c&&(c=0);void 0===d&&(d=b.length/b.itemSize);for(var e=0;e<d;e++,c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix3(this),b.setXYZ(a.x,a.y,a.z);return b}}(),
@@ -246,15 +246,15 @@ c.needsUpdate=!0),b.normalsNeedUpdate=!1);!0===b.colorsNeedUpdate&&(c=this.attri
 b.groups,b.groupsNeedUpdate=!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.indices.length&&(b=new (65535<a.vertices.length?Uint32Array:Uint16Array)(3*a.indices.length),
 this.setIndex((new THREE.BufferAttribute(b,1)).copyIndicesArray(a.indices)));this.groups=a.groups;for(var c in a.morphTargets){for(var b=[],d=a.morphTargets[c],e=0,f=d.length;e<f;e++){var g=d[e],h=new THREE.Float32Attribute(3*g.length,3);b.push(h.copyVector3sArray(g))}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(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);var a=this.attributes.position.array;a&&this.boundingBox.setFromArray(a);if(void 0===a||0===a.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){var d=this.boundingSphere.center;a.setFromArray(c);a.center(d);for(var e=0,f=0,g=c.length;f<
-g;f+=3)b.fromArray(c,f),e=Math.max(e,d.distanceToSquared(b));this.boundingSphere.radius=Math.sqrt(e);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.index,b=this.attributes,c=this.groups;if(b.position){var d=b.position.array;if(void 0===b.normal)this.addAttribute("normal",new THREE.BufferAttribute(new Float32Array(d.length),
-3));else for(var e=b.normal.array,f=0,g=e.length;f<g;f++)e[f]=0;var e=b.normal.array,h,k,l,n=new THREE.Vector3,p=new THREE.Vector3,m=new THREE.Vector3,q=new THREE.Vector3,r=new THREE.Vector3;if(a){a=a.array;0===c.length&&this.addGroup(0,a.length);for(var s=0,u=c.length;s<u;++s)for(f=c[s],g=f.start,h=f.count,f=g,g+=h;f<g;f+=3)h=3*a[f+0],k=3*a[f+1],l=3*a[f+2],n.fromArray(d,h),p.fromArray(d,k),m.fromArray(d,l),q.subVectors(m,p),r.subVectors(n,p),q.cross(r),e[h]+=q.x,e[h+1]+=q.y,e[h+2]+=q.z,e[k]+=q.x,
-e[k+1]+=q.y,e[k+2]+=q.z,e[l]+=q.x,e[l+1]+=q.y,e[l+2]+=q.z}else for(f=0,g=d.length;f<g;f+=9)n.fromArray(d,f),p.fromArray(d,f+3),m.fromArray(d,f+6),q.subVectors(m,p),r.subVectors(n,p),q.cross(r),e[f]=q.x,e[f+1]=q.y,e[f+2]=q.z,e[f+3]=q.x,e[f+4]=q.y,e[f+5]=q.z,e[f+6]=q.x,e[f+7]=q.y,e[f+8]=q.z;this.normalizeNormals();b.normal.needsUpdate=!0}},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,f=a.attributes[d],g=f.array,h=0,f=f.itemSize*b;h<g.length;h++,f++)e[f]=g[h];return this}},normalizeNormals:function(){for(var a=this.attributes.normal.array,b,c,d,e=0,f=a.length;e<f;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},toNonIndexed:function(){if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed."),
-this;var a=new THREE.BufferGeometry,b=this.index.array,c=this.attributes,d;for(d in c){for(var e=c[d],f=e.array,e=e.itemSize,g=new f.constructor(b.length*e),h=0,k=0,l=0,n=b.length;l<n;l++)for(var h=b[l]*e,p=0;p<e;p++)g[k++]=f[h++];a.addAttribute(d,new THREE.BufferAttribute(g,e))}return a},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 d=this.index;null!==d&&(b=Array.prototype.slice.call(d.array),a.data.index={type:d.array.constructor.name,array:b});d=this.attributes;for(c in d){var e=d[c],b=Array.prototype.slice.call(e.array);a.data.attributes[c]={itemSize:e.itemSize,type:e.array.constructor.name,array:b}}c=this.groups;0<c.length&&(a.data.groups=JSON.parse(JSON.stringify(c)));c=this.boundingSphere;null!==c&&(a.data.boundingSphere={center:c.center.toArray(),
-radius:c.radius});return a},clone:function(){return(new THREE.BufferGeometry).copy(this)},copy:function(a){var b=a.index;null!==b&&this.setIndex(b.clone());var b=a.attributes,c;for(c in b)this.addAttribute(c,b[c].clone());a=a.groups;c=0;for(b=a.length;c<b;c++){var d=a[c];this.addGroup(d.start,d.count,d.materialIndex)}return this},dispose:function(){this.dispatchEvent({type:"dispose"})}};THREE.EventDispatcher.prototype.apply(THREE.BufferGeometry.prototype);THREE.BufferGeometry.MaxIndex=65535;
+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(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);var a=this.attributes.position.array;void 0!==a?this.boundingBox.setFromArray(a):this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&
+console.error('THREE.BufferGeometry.computeBoundingBox: Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)},computeBoundingSphere: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){var d=this.boundingSphere.center;a.setFromArray(c);a.center(d);for(var e=0,f=0,g=c.length;f<g;f+=3)b.fromArray(c,f),e=Math.max(e,d.distanceToSquared(b));
+this.boundingSphere.radius=Math.sqrt(e);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.index,b=this.attributes,c=this.groups;if(b.position){var d=b.position.array;if(void 0===b.normal)this.addAttribute("normal",new THREE.BufferAttribute(new Float32Array(d.length),3));else for(var e=b.normal.array,
+f=0,g=e.length;f<g;f++)e[f]=0;var e=b.normal.array,h,k,l,n=new THREE.Vector3,p=new THREE.Vector3,m=new THREE.Vector3,q=new THREE.Vector3,r=new THREE.Vector3;if(a){a=a.array;0===c.length&&this.addGroup(0,a.length);for(var s=0,u=c.length;s<u;++s)for(f=c[s],g=f.start,h=f.count,f=g,g+=h;f<g;f+=3)h=3*a[f+0],k=3*a[f+1],l=3*a[f+2],n.fromArray(d,h),p.fromArray(d,k),m.fromArray(d,l),q.subVectors(m,p),r.subVectors(n,p),q.cross(r),e[h]+=q.x,e[h+1]+=q.y,e[h+2]+=q.z,e[k]+=q.x,e[k+1]+=q.y,e[k+2]+=q.z,e[l]+=q.x,
+e[l+1]+=q.y,e[l+2]+=q.z}else for(f=0,g=d.length;f<g;f+=9)n.fromArray(d,f),p.fromArray(d,f+3),m.fromArray(d,f+6),q.subVectors(m,p),r.subVectors(n,p),q.cross(r),e[f]=q.x,e[f+1]=q.y,e[f+2]=q.z,e[f+3]=q.x,e[f+4]=q.y,e[f+5]=q.z,e[f+6]=q.x,e[f+7]=q.y,e[f+8]=q.z;this.normalizeNormals();b.normal.needsUpdate=!0}},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,f=a.attributes[d],g=f.array,h=0,f=f.itemSize*b;h<g.length;h++,f++)e[f]=g[h];return this}},normalizeNormals:function(){for(var a=this.attributes.normal.array,b,c,d,e=0,f=a.length;e<f;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},toNonIndexed:function(){if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed."),this;var a=new THREE.BufferGeometry,
+b=this.index.array,c=this.attributes,d;for(d in c){for(var e=c[d],f=e.array,e=e.itemSize,g=new f.constructor(b.length*e),h=0,k=0,l=0,n=b.length;l<n;l++)for(var h=b[l]*e,p=0;p<e;p++)g[k++]=f[h++];a.addAttribute(d,new THREE.BufferAttribute(g,e))}return a},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 d=this.index;null!==d&&(b=Array.prototype.slice.call(d.array),a.data.index={type:d.array.constructor.name,array:b});d=this.attributes;for(c in d){var e=d[c],b=Array.prototype.slice.call(e.array);a.data.attributes[c]={itemSize:e.itemSize,type:e.array.constructor.name,array:b}}c=this.groups;0<c.length&&(a.data.groups=JSON.parse(JSON.stringify(c)));c=this.boundingSphere;null!==c&&(a.data.boundingSphere={center:c.center.toArray(),radius:c.radius});
+return a},clone:function(){return(new THREE.BufferGeometry).copy(this)},copy:function(a){var b=a.index;null!==b&&this.setIndex(b.clone());var b=a.attributes,c;for(c in b)this.addAttribute(c,b[c].clone());a=a.groups;c=0;for(b=a.length;c<b;c++){var d=a[c];this.addGroup(d.start,d.count,d.materialIndex)}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.addGroup=function(a,b,c){this.groups.push({start:a,count:b,instances:c})};
 THREE.InstancedBufferGeometry.prototype.copy=function(a){var b=a.index;null!==b&&this.setIndex(b.clone());var b=a.attributes,c;for(c in b)this.addAttribute(c,b[c].clone());a=a.groups;c=0;for(b=a.length;c<b;c++){var d=a[c];this.addGroup(d.start,d.count,d.instances)}return this};THREE.EventDispatcher.prototype.apply(THREE.InstancedBufferGeometry.prototype);
 THREE.Uniform=function(a,b){"string"===typeof a&&(console.warn("THREE.Uniform: Type parameter is no longer needed."),a=b);this.value=a;this.dynamic=!1};THREE.Uniform.prototype={constructor:THREE.Uniform,onUpdate:function(a){this.dynamic=!0;this.onUpdateCallback=a;return this}};THREE.AnimationClip=function(a,b,c){this.name=a||THREE.Math.generateUUID();this.tracks=c;this.duration=void 0!==b?b:-1;0>this.duration&&this.resetDuration();this.trim();this.optimize()};