diff --git a/build/three.js b/build/three.js
index e1994beeb665af3881032a4d00d9fcfa67366723..9484ccf52e3abb9f12144d8e98d9232535afed81 100644
--- a/build/three.js
+++ b/build/three.js
@@ -11472,11 +11472,15 @@ THREE.Loader.prototype = {
 			mpars.blending = THREE[ m.blending ];
 
 		}
-
-		if ( m.transparent !== undefined || m.opacity < 1.0 ) {
+		
+		if ( m.transparent !== undefined ) {
 
 			mpars.transparent = m.transparent;
 
+		} else if ( m.opacity < 1.0 ) {
+
+			mpars.transparent = true;
+
 		}
 
 		if ( m.depthTest !== undefined ) {
@@ -11555,14 +11559,14 @@ THREE.Loader.prototype = {
 
 		// modifiers
 
-		if ( m.transparency ) {
+		if ( m.transparency !== undefined ) {
 
 			console.warn( 'THREE.Loader: transparency has been renamed to opacity' );
-			mpars.opacity = m.transparency;
+			m.opacity = m.transparency;
 
 		}
 
-		if ( m.opacity ) {
+		if ( m.opacity !== undefined ) {
 
 			mpars.opacity = m.opacity;
 
diff --git a/build/three.min.js b/build/three.min.js
index f4814682742294cc8bb89d1b303493261363096d..dfc847dadbedb580944d455a755f0c889674267c 100644
--- a/build/three.min.js
+++ b/build/three.min.js
@@ -254,10 +254,10 @@ THREE.Loader.prototype={constructor:THREE.Loader,crossOrigin:void 0,addStatusEle
 "%"):b+((a.loaded/1024).toFixed(2)+" KB");this.statusDomElement.innerHTML=b},extractUrlBase:function(a){a=a.split("/");if(1===a.length)return"./";a.pop();return a.join("/")+"/"},initMaterials:function(a,b){for(var c=[],d=0;d<a.length;++d)c[d]=this.createMaterial(a[d],b);return c},needsTangents:function(a){for(var b=0,c=a.length;b<c;b++)if(a[b]instanceof THREE.ShaderMaterial)return!0;return!1},createMaterial:function(a,b){function c(a){a=Math.log(a)/Math.LN2;return Math.pow(2,Math.round(a))}function d(a,
 d,e,g,h,k,r){var u=b+e,v,x=THREE.Loader.Handlers.get(u);null!==x?v=x.load(u):(v=new THREE.Texture,x=f.imageLoader,x.crossOrigin=f.crossOrigin,x.load(u,function(a){if(!1===THREE.Math.isPowerOfTwo(a.width)||!1===THREE.Math.isPowerOfTwo(a.height)){var b=c(a.width),d=c(a.height),e=document.createElement("canvas");e.width=b;e.height=d;e.getContext("2d").drawImage(a,0,0,b,d);v.image=e}else v.image=a;v.needsUpdate=!0}));v.sourceFile=e;g&&(v.repeat.set(g[0],g[1]),1!==g[0]&&(v.wrapS=THREE.RepeatWrapping),
 1!==g[1]&&(v.wrapT=THREE.RepeatWrapping));h&&v.offset.set(h[0],h[1]);k&&(e={repeat:THREE.RepeatWrapping,mirror:THREE.MirroredRepeatWrapping},void 0!==e[k[0]]&&(v.wrapS=e[k[0]]),void 0!==e[k[1]]&&(v.wrapT=e[k[1]]));r&&(v.anisotropy=r);a[d]=v}function e(a){return(255*a[0]<<16)+(255*a[1]<<8)+255*a[2]}var f=this,g="MeshLambertMaterial",h={color:15658734,opacity:1,map:null,lightMap:null,normalMap:null,bumpMap:null,wireframe:!1};if(a.shading){var k=a.shading.toLowerCase();"phong"===k?g="MeshPhongMaterial":
-"basic"===k&&(g="MeshBasicMaterial")}void 0!==a.blending&&void 0!==THREE[a.blending]&&(h.blending=THREE[a.blending]);if(void 0!==a.transparent||1>a.opacity)h.transparent=a.transparent;void 0!==a.depthTest&&(h.depthTest=a.depthTest);void 0!==a.depthWrite&&(h.depthWrite=a.depthWrite);void 0!==a.visible&&(h.visible=a.visible);void 0!==a.flipSided&&(h.side=THREE.BackSide);void 0!==a.doubleSided&&(h.side=THREE.DoubleSide);void 0!==a.wireframe&&(h.wireframe=a.wireframe);void 0!==a.vertexColors&&("face"===
-a.vertexColors?h.vertexColors=THREE.FaceColors:a.vertexColors&&(h.vertexColors=THREE.VertexColors));a.colorDiffuse?h.color=e(a.colorDiffuse):a.DbgColor&&(h.color=a.DbgColor);a.colorSpecular&&(h.specular=e(a.colorSpecular));a.colorEmissive&&(h.emissive=e(a.colorEmissive));a.transparency&&(console.warn("THREE.Loader: transparency has been renamed to opacity"),h.opacity=a.transparency);a.opacity&&(h.opacity=a.opacity);a.specularCoef&&(h.shininess=a.specularCoef);a.mapDiffuse&&b&&d(h,"map",a.mapDiffuse,
-a.mapDiffuseRepeat,a.mapDiffuseOffset,a.mapDiffuseWrap,a.mapDiffuseAnisotropy);a.mapLight&&b&&d(h,"lightMap",a.mapLight,a.mapLightRepeat,a.mapLightOffset,a.mapLightWrap,a.mapLightAnisotropy);a.mapBump&&b&&d(h,"bumpMap",a.mapBump,a.mapBumpRepeat,a.mapBumpOffset,a.mapBumpWrap,a.mapBumpAnisotropy);a.mapNormal&&b&&d(h,"normalMap",a.mapNormal,a.mapNormalRepeat,a.mapNormalOffset,a.mapNormalWrap,a.mapNormalAnisotropy);a.mapSpecular&&b&&d(h,"specularMap",a.mapSpecular,a.mapSpecularRepeat,a.mapSpecularOffset,
-a.mapSpecularWrap,a.mapSpecularAnisotropy);a.mapAlpha&&b&&d(h,"alphaMap",a.mapAlpha,a.mapAlphaRepeat,a.mapAlphaOffset,a.mapAlphaWrap,a.mapAlphaAnisotropy);a.mapBumpScale&&(h.bumpScale=a.mapBumpScale);a.mapNormalFactor&&(h.normalScale=new THREE.Vector2(a.mapNormalFactor,a.mapNormalFactor));g=new THREE[g](h);void 0!==a.DbgName&&(g.name=a.DbgName);return g}};
+"basic"===k&&(g="MeshBasicMaterial")}void 0!==a.blending&&void 0!==THREE[a.blending]&&(h.blending=THREE[a.blending]);void 0!==a.transparent?h.transparent=a.transparent:1>a.opacity&&(h.transparent=!0);void 0!==a.depthTest&&(h.depthTest=a.depthTest);void 0!==a.depthWrite&&(h.depthWrite=a.depthWrite);void 0!==a.visible&&(h.visible=a.visible);void 0!==a.flipSided&&(h.side=THREE.BackSide);void 0!==a.doubleSided&&(h.side=THREE.DoubleSide);void 0!==a.wireframe&&(h.wireframe=a.wireframe);void 0!==a.vertexColors&&
+("face"===a.vertexColors?h.vertexColors=THREE.FaceColors:a.vertexColors&&(h.vertexColors=THREE.VertexColors));a.colorDiffuse?h.color=e(a.colorDiffuse):a.DbgColor&&(h.color=a.DbgColor);a.colorSpecular&&(h.specular=e(a.colorSpecular));a.colorEmissive&&(h.emissive=e(a.colorEmissive));void 0!==a.transparency&&(console.warn("THREE.Loader: transparency has been renamed to opacity"),a.opacity=a.transparency);void 0!==a.opacity&&(h.opacity=a.opacity);a.specularCoef&&(h.shininess=a.specularCoef);a.mapDiffuse&&
+b&&d(h,"map",a.mapDiffuse,a.mapDiffuseRepeat,a.mapDiffuseOffset,a.mapDiffuseWrap,a.mapDiffuseAnisotropy);a.mapLight&&b&&d(h,"lightMap",a.mapLight,a.mapLightRepeat,a.mapLightOffset,a.mapLightWrap,a.mapLightAnisotropy);a.mapBump&&b&&d(h,"bumpMap",a.mapBump,a.mapBumpRepeat,a.mapBumpOffset,a.mapBumpWrap,a.mapBumpAnisotropy);a.mapNormal&&b&&d(h,"normalMap",a.mapNormal,a.mapNormalRepeat,a.mapNormalOffset,a.mapNormalWrap,a.mapNormalAnisotropy);a.mapSpecular&&b&&d(h,"specularMap",a.mapSpecular,a.mapSpecularRepeat,
+a.mapSpecularOffset,a.mapSpecularWrap,a.mapSpecularAnisotropy);a.mapAlpha&&b&&d(h,"alphaMap",a.mapAlpha,a.mapAlphaRepeat,a.mapAlphaOffset,a.mapAlphaWrap,a.mapAlphaAnisotropy);a.mapBumpScale&&(h.bumpScale=a.mapBumpScale);a.mapNormalFactor&&(h.normalScale=new THREE.Vector2(a.mapNormalFactor,a.mapNormalFactor));g=new THREE[g](h);void 0!==a.DbgName&&(g.name=a.DbgName);return g}};
 THREE.Loader.Handlers={handlers:[],add:function(a,b){this.handlers.push(a,b)},get:function(a){for(var b=0,c=this.handlers.length;b<c;b+=2){var d=this.handlers[b+1];if(this.handlers[b].test(a))return d}return null}};THREE.XHRLoader=function(a){this.manager=void 0!==a?a:THREE.DefaultLoadingManager};
 THREE.XHRLoader.prototype={constructor:THREE.XHRLoader,load:function(a,b,c,d){var e=this,f=THREE.Cache.get(a);void 0!==f?b&&b(f):(f=new XMLHttpRequest,f.open("GET",a,!0),f.addEventListener("load",function(c){THREE.Cache.add(a,this.response);b&&b(this.response);e.manager.itemEnd(a)},!1),void 0!==c&&f.addEventListener("progress",function(a){c(a)},!1),void 0!==d&&f.addEventListener("error",function(a){d(a)},!1),void 0!==this.crossOrigin&&(f.crossOrigin=this.crossOrigin),void 0!==this.responseType&&(f.responseType=
 this.responseType),f.send(null),e.manager.itemStart(a))},setResponseType:function(a){this.responseType=a},setCrossOrigin:function(a){this.crossOrigin=a}};THREE.ImageLoader=function(a){this.manager=void 0!==a?a:THREE.DefaultLoadingManager};