diff --git a/build/three.js b/build/three.js
index 0dffae1552557e5126df43a1704b104b9de885f8..3fb302c59f93896d6a623ccbc1cdabdf8383d1ca 100644
--- a/build/three.js
+++ b/build/three.js
@@ -26759,6 +26759,11 @@ THREE.WebGLProgram = ( function () {
 
 		}
 
+		// clean up
+
+		_gl.deleteShader( glVertexShader );
+		_gl.deleteShader( glFragmentShader );
+
 		// cache uniform locations
 
 		var identifiers = [
@@ -26823,13 +26828,8 @@ THREE.WebGLProgram = ( function () {
 		this.code = code;
 		this.usedTimes = 1;
 		this.program = program;
-		this.vertexShader = glVertexShader; // _gl.getShaderSource( glVertexShader );
-		this.fragmentShader = _gl.getShaderSource( glFragmentShader );
-
-		// clean up
-
-		_gl.deleteShader( glVertexShader );
-		_gl.deleteShader( glFragmentShader );
+		this.vertexShader = glVertexShader;
+		this.fragmentShader = glFragmentShader;
 
 		return this;
 
diff --git a/build/three.min.js b/build/three.min.js
index 1b506a4f8c76fcf3d5892761852e0574674ee9e1..9088a31b03286ea3d3c5f53adfe65586d50c065f 100644
--- a/build/three.min.js
+++ b/build/three.min.js
@@ -520,9 +520,8 @@ p:"",e.shadowMapDebug?"#define SHADOWMAP_DEBUG":"",e.shadowMapCascade?"#define S
 b=["precision "+e.precision+" float;","precision "+e.precision+" int;",e.bumpMap||e.normalMap?"#extension GL_OES_standard_derivatives : enable":"",r,"#define MAX_DIR_LIGHTS "+e.maxDirLights,"#define MAX_POINT_LIGHTS "+e.maxPointLights,"#define MAX_SPOT_LIGHTS "+e.maxSpotLights,"#define MAX_HEMI_LIGHTS "+e.maxHemiLights,"#define MAX_SHADOWS "+e.maxShadows,e.alphaTest?"#define ALPHATEST "+e.alphaTest:"",b.gammaInput?"#define GAMMA_INPUT":"",b.gammaOutput?"#define GAMMA_OUTPUT":"",e.useFog&&e.fog?"#define USE_FOG":
 "",e.useFog&&e.fogExp?"#define FOG_EXP2":"",e.map?"#define USE_MAP":"",e.envMap?"#define USE_ENVMAP":"",e.lightMap?"#define USE_LIGHTMAP":"",e.bumpMap?"#define USE_BUMPMAP":"",e.normalMap?"#define USE_NORMALMAP":"",e.specularMap?"#define USE_SPECULARMAP":"",e.vertexColors?"#define USE_COLOR":"",e.metal?"#define METAL":"",e.wrapAround?"#define WRAP_AROUND":"",e.doubleSided?"#define DOUBLE_SIDED":"",e.flipSided?"#define FLIP_SIDED":"",e.shadowMapEnabled?"#define USE_SHADOWMAP":"",e.shadowMapEnabled?
 "#define "+p:"",e.shadowMapDebug?"#define SHADOWMAP_DEBUG":"",e.shadowMapCascade?"#define SHADOWMAP_CASCADE":"","uniform mat4 viewMatrix;\nuniform vec3 cameraPosition;\n"].join("\n");h=new THREE.WebGLShader(f,f.VERTEX_SHADER,u+h);g=new THREE.WebGLShader(f,f.FRAGMENT_SHADER,b+g);f.attachShader(n,h);f.attachShader(n,g);void 0!==d&&f.bindAttribLocation(n,0,d);f.linkProgram(n);!1===f.getProgramParameter(n,f.LINK_STATUS)&&(console.error("Could not initialise shader"),console.error("gl.VALIDATE_STATUS",
-f.getProgramParameter(n,f.VALIDATE_STATUS)),console.error("gl.getError()",f.getError()));""!==f.getProgramInfoLog(n)&&console.error("gl.getProgramInfoLog()",f.getProgramInfoLog(n));d="viewMatrix modelViewMatrix projectionMatrix normalMatrix modelMatrix cameraPosition morphTargetInfluences".split(" ");e.useVertexTexture?(d.push("boneTexture"),d.push("boneTextureWidth"),d.push("boneTextureHeight")):d.push("boneGlobalMatrices");for(var q in k)d.push(q);k=d;q={};d=0;for(b=k.length;d<b;d++)p=k[d],q[p]=
-f.getUniformLocation(n,p);this.uniforms=q;d="position normal uv uv2 tangent color skinIndex skinWeight lineDistance".split(" ");for(k=0;k<e.maxMorphTargets;k++)d.push("morphTarget"+k);for(k=0;k<e.maxMorphNormals;k++)d.push("morphNormal"+k);for(var v in l)d.push(v);e=d;l={};v=0;for(k=e.length;v<k;v++)q=e[v],l[q]=f.getAttribLocation(n,q);this.attributes=l;this.id=a++;this.code=c;this.usedTimes=1;this.program=n;this.vertexShader=h;this.fragmentShader=f.getShaderSource(g);f.deleteShader(h);f.deleteShader(g);
-return this}}();THREE.WebGLShader=function(){var a=function(a){a=a.split("\n");for(var c=0;c<a.length;c++)a[c]=c+1+": "+a[c];return a.join("\n")};return function(b,c,d){c=b.createShader(c);b.shaderSource(c,d);b.compileShader(c);""!==b.getShaderInfoLog(c)&&(console.error("THREE.WebGLShader:","gl.getShaderInfoLog()",b.getShaderInfoLog(c)),console.error(a(d)));return c}}();THREE.RenderableVertex=function(){this.position=new THREE.Vector3;this.positionWorld=new THREE.Vector3;this.positionScreen=new THREE.Vector4;this.visible=!0};THREE.RenderableVertex.prototype.copy=function(a){this.positionWorld.copy(a.positionWorld);this.positionScreen.copy(a.positionScreen)};THREE.RenderableFace=function(){this.id=0;this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.v3=new THREE.RenderableVertex;this.normalModel=new THREE.Vector3;this.vertexNormalsModel=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];this.vertexNormalsLength=0;this.material=this.color=null;this.uvs=[[]];this.z=0};THREE.RenderableObject=function(){this.id=0;this.object=null;this.z=0};THREE.RenderableSprite=function(){this.id=0;this.object=null;this.rotation=this.z=this.y=this.x=0;this.scale=new THREE.Vector2;this.material=null};THREE.RenderableLine=function(){this.id=0;this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.vertexColors=[new THREE.Color,new THREE.Color];this.material=null;this.z=0};THREE.GeometryUtils={merge:function(a,b,c){var d,e,f=a.vertices.length,g=b instanceof THREE.Mesh?b.geometry:b,h=a.vertices,k=g.vertices,l=a.faces,n=g.faces;a=a.faceVertexUvs[0];g=g.faceVertexUvs[0];void 0===c&&(c=0);b instanceof THREE.Mesh&&(b.matrixAutoUpdate&&b.updateMatrix(),d=b.matrix,e=(new THREE.Matrix3).getNormalMatrix(d));b=0;for(var p=k.length;b<p;b++){var r=k[b].clone();d&&r.applyMatrix4(d);h.push(r)}b=0;for(p=n.length;b<p;b++){var k=n[b],s,u=k.vertexNormals,q=k.vertexColors,r=new THREE.Face3(k.a+
+f.getProgramParameter(n,f.VALIDATE_STATUS)),console.error("gl.getError()",f.getError()));""!==f.getProgramInfoLog(n)&&console.error("gl.getProgramInfoLog()",f.getProgramInfoLog(n));f.deleteShader(h);f.deleteShader(g);d="viewMatrix modelViewMatrix projectionMatrix normalMatrix modelMatrix cameraPosition morphTargetInfluences".split(" ");e.useVertexTexture?(d.push("boneTexture"),d.push("boneTextureWidth"),d.push("boneTextureHeight")):d.push("boneGlobalMatrices");for(var q in k)d.push(q);k=d;q={};d=
+0;for(b=k.length;d<b;d++)p=k[d],q[p]=f.getUniformLocation(n,p);this.uniforms=q;d="position normal uv uv2 tangent color skinIndex skinWeight lineDistance".split(" ");for(k=0;k<e.maxMorphTargets;k++)d.push("morphTarget"+k);for(k=0;k<e.maxMorphNormals;k++)d.push("morphNormal"+k);for(var v in l)d.push(v);e=d;l={};v=0;for(k=e.length;v<k;v++)q=e[v],l[q]=f.getAttribLocation(n,q);this.attributes=l;this.id=a++;this.code=c;this.usedTimes=1;this.program=n;this.vertexShader=h;this.fragmentShader=g;return this}}();THREE.WebGLShader=function(){var a=function(a){a=a.split("\n");for(var c=0;c<a.length;c++)a[c]=c+1+": "+a[c];return a.join("\n")};return function(b,c,d){c=b.createShader(c);b.shaderSource(c,d);b.compileShader(c);""!==b.getShaderInfoLog(c)&&(console.error("THREE.WebGLShader:","gl.getShaderInfoLog()",b.getShaderInfoLog(c)),console.error(a(d)));return c}}();THREE.RenderableVertex=function(){this.position=new THREE.Vector3;this.positionWorld=new THREE.Vector3;this.positionScreen=new THREE.Vector4;this.visible=!0};THREE.RenderableVertex.prototype.copy=function(a){this.positionWorld.copy(a.positionWorld);this.positionScreen.copy(a.positionScreen)};THREE.RenderableFace=function(){this.id=0;this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.v3=new THREE.RenderableVertex;this.normalModel=new THREE.Vector3;this.vertexNormalsModel=[new THREE.Vector3,new THREE.Vector3,new THREE.Vector3];this.vertexNormalsLength=0;this.material=this.color=null;this.uvs=[[]];this.z=0};THREE.RenderableObject=function(){this.id=0;this.object=null;this.z=0};THREE.RenderableSprite=function(){this.id=0;this.object=null;this.rotation=this.z=this.y=this.x=0;this.scale=new THREE.Vector2;this.material=null};THREE.RenderableLine=function(){this.id=0;this.v1=new THREE.RenderableVertex;this.v2=new THREE.RenderableVertex;this.vertexColors=[new THREE.Color,new THREE.Color];this.material=null;this.z=0};THREE.GeometryUtils={merge:function(a,b,c){var d,e,f=a.vertices.length,g=b instanceof THREE.Mesh?b.geometry:b,h=a.vertices,k=g.vertices,l=a.faces,n=g.faces;a=a.faceVertexUvs[0];g=g.faceVertexUvs[0];void 0===c&&(c=0);b instanceof THREE.Mesh&&(b.matrixAutoUpdate&&b.updateMatrix(),d=b.matrix,e=(new THREE.Matrix3).getNormalMatrix(d));b=0;for(var p=k.length;b<p;b++){var r=k[b].clone();d&&r.applyMatrix4(d);h.push(r)}b=0;for(p=n.length;b<p;b++){var k=n[b],s,u=k.vertexNormals,q=k.vertexColors,r=new THREE.Face3(k.a+
 f,k.b+f,k.c+f);r.normal.copy(k.normal);e&&r.normal.applyMatrix3(e).normalize();d=0;for(h=u.length;d<h;d++)s=u[d].clone(),e&&s.applyMatrix3(e).normalize(),r.vertexNormals.push(s);r.color.copy(k.color);d=0;for(h=q.length;d<h;d++)s=q[d],r.vertexColors.push(s.clone());r.materialIndex=k.materialIndex+c;l.push(r)}b=0;for(p=g.length;b<p;b++){c=g[b];e=[];d=0;for(h=c.length;d<h;d++)e.push(new THREE.Vector2(c[d].x,c[d].y));a.push(e)}},randomPointInTriangle:function(){var a=new THREE.Vector3;return function(b,
 c,d){var e=new THREE.Vector3,f=THREE.Math.random16(),g=THREE.Math.random16();1<f+g&&(f=1-f,g=1-g);var h=1-f-g;e.copy(b);e.multiplyScalar(f);a.copy(c);a.multiplyScalar(g);e.add(a);a.copy(d);a.multiplyScalar(h);e.add(a);return e}}(),randomPointInFace:function(a,b,c){return THREE.GeometryUtils.randomPointInTriangle(b.vertices[a.a],b.vertices[a.b],b.vertices[a.c])},randomPointsInGeometry:function(a,b){function c(a){function b(c,d){if(d<c)return c;var e=c+Math.floor((d-c)/2);return l[e]>a?b(c,e-1):l[e]<
 a?b(e+1,d):e}return b(0,l.length-1)}var d,e,f=a.faces,g=a.vertices,h=f.length,k=0,l=[],n,p,r;for(e=0;e<h;e++)d=f[e],n=g[d.a],p=g[d.b],r=g[d.c],d._area=THREE.GeometryUtils.triangleArea(n,p,r),k+=d._area,l[e]=k;d=[];for(e=0;e<b;e++)g=THREE.Math.random16()*k,g=c(g),d[e]=THREE.GeometryUtils.randomPointInFace(f[g],a,!0);return d},triangleArea:function(){var a=new THREE.Vector3,b=new THREE.Vector3;return function(c,d,e){a.subVectors(d,c);b.subVectors(e,c);a.cross(b);return 0.5*a.length()}}(),center:function(a){a.computeBoundingBox();