diff --git a/build/three.js b/build/three.js
index b09e3ec35a17e3c1c5978a575b55a0163c87b97b..36e9bdc141bd23194f3d196aba33042bcb63a723 100644
--- a/build/three.js
+++ b/build/three.js
@@ -23289,9 +23289,9 @@ THREE.Scene = function () {
 THREE.Scene.prototype = Object.create( THREE.Object3D.prototype );
 THREE.Scene.prototype.constructor = THREE.Scene;
 
-THREE.Scene.prototype.copy = function ( source ) {
+THREE.Scene.prototype.copy = function ( source, recursive ) {
 
-	THREE.Object3D.prototype.copy.call( this, source );
+	THREE.Object3D.prototype.copy.call( this, source, recursive );
 
 	if ( source.fog !== null ) this.fog = source.fog.clone();
 	if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone();
diff --git a/build/three.min.js b/build/three.min.js
index df4334d49801dd43cd9e06f6b96815c77ff8b4df..e8a261ece9db68edc1bfb96f0cfe1802e3fb4e90 100644
--- a/build/three.min.js
+++ b/build/three.min.js
@@ -514,7 +514,7 @@ THREE.LensFlare=function(a,b,c,d,e){THREE.Object3D.call(this);this.lensFlares=[]
 THREE.LensFlare.prototype.add=function(a,b,c,d,e,f){void 0===b&&(b=-1);void 0===c&&(c=0);void 0===f&&(f=1);void 0===e&&(e=new THREE.Color(16777215));void 0===d&&(d=THREE.NormalBlending);c=Math.min(c,Math.max(0,c));this.lensFlares.push({texture:a,size:b,distance:c,x:0,y:0,z:0,scale:1,rotation:0,opacity:f,color:e,blending:d})};
 THREE.LensFlare.prototype.updateLensFlares=function(){var a,b=this.lensFlares.length,c,d=2*-this.positionScreen.x,e=2*-this.positionScreen.y;for(a=0;a<b;a++)c=this.lensFlares[a],c.x=this.positionScreen.x+d*c.distance,c.y=this.positionScreen.y+e*c.distance,c.wantedRotation=c.x*Math.PI*.25,c.rotation+=.25*(c.wantedRotation-c.rotation)};
 THREE.LensFlare.prototype.copy=function(a){THREE.Object3D.prototype.copy.call(this,a);this.positionScreen.copy(a.positionScreen);this.customUpdateCallback=a.customUpdateCallback;for(var b=0,c=a.lensFlares.length;b<c;b++)this.lensFlares.push(a.lensFlares[b]);return this};THREE.Scene=function(){THREE.Object3D.call(this);this.type="Scene";this.overrideMaterial=this.fog=null;this.autoUpdate=!0};THREE.Scene.prototype=Object.create(THREE.Object3D.prototype);THREE.Scene.prototype.constructor=THREE.Scene;
-THREE.Scene.prototype.copy=function(a){THREE.Object3D.prototype.copy.call(this,a);null!==a.fog&&(this.fog=a.fog.clone());null!==a.overrideMaterial&&(this.overrideMaterial=a.overrideMaterial.clone());this.autoUpdate=a.autoUpdate;this.matrixAutoUpdate=a.matrixAutoUpdate;return this};THREE.Fog=function(a,b,c){this.name="";this.color=new THREE.Color(a);this.near=void 0!==b?b:1;this.far=void 0!==c?c:1E3};THREE.Fog.prototype.clone=function(){return new THREE.Fog(this.color.getHex(),this.near,this.far)};
+THREE.Scene.prototype.copy=function(a,b){THREE.Object3D.prototype.copy.call(this,a,b);null!==a.fog&&(this.fog=a.fog.clone());null!==a.overrideMaterial&&(this.overrideMaterial=a.overrideMaterial.clone());this.autoUpdate=a.autoUpdate;this.matrixAutoUpdate=a.matrixAutoUpdate;return this};THREE.Fog=function(a,b,c){this.name="";this.color=new THREE.Color(a);this.near=void 0!==b?b:1;this.far=void 0!==c?c:1E3};THREE.Fog.prototype.clone=function(){return new THREE.Fog(this.color.getHex(),this.near,this.far)};
 THREE.FogExp2=function(a,b){this.name="";this.color=new THREE.Color(a);this.density=void 0!==b?b:2.5E-4};THREE.FogExp2.prototype.clone=function(){return new THREE.FogExp2(this.color.getHex(),this.density)};THREE.ShaderChunk={};THREE.ShaderChunk.alphamap_fragment="#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif\n";THREE.ShaderChunk.alphamap_pars_fragment="#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif\n";THREE.ShaderChunk.alphatest_fragment="#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif\n";
 THREE.ShaderChunk.ambient_pars="uniform vec3 ambientLightColor;\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\treturn PI * ambientLightColor;\n}\n";THREE.ShaderChunk.aomap_fragment="#ifdef USE_AOMAP\n\treflectedLight.indirectDiffuse *= ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n#endif\n";THREE.ShaderChunk.aomap_pars_fragment="#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif";THREE.ShaderChunk.begin_vertex="\nvec3 transformed = vec3( position );\n";
 THREE.ShaderChunk.beginnormal_vertex="\nvec3 objectNormal = vec3( normal );\n";THREE.ShaderChunk.bsdfs="float calcLightAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tif ( decayExponent > 0.0 ) {\n\t  return pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = alpha * alpha;\n\tfloat gl = dotNL + pow( a2 + ( 1.0 - a2 ) * dotNL * dotNL, 0.5 );\n\tfloat gv = dotNV + pow( a2 + ( 1.0 - a2 ) * dotNV * dotNV, 0.5 );\n\treturn 1.0 / ( gl * gv );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = alpha * alpha;\n\tfloat denom = dotNH * dotNH * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / ( denom * denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = roughness * roughness;\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNL = saturate( dot( geometry.normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_Smith( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec3 BRDF_Specular_GGX_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 AB = vec2( -1.04, 1.04 ) * a004 + r.zw;\n\treturn specularColor * AB.x + AB.y;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / square( ggxRoughness + 0.0001 ) - 2.0 );\n}";