ColladaLoader fixes.

* Fixed `ColladaLoader` and `Loader` url base extraction code.
* `ColladaLoader` now ignores non-joint nodes when constructing the skeleton. (Hopefuly, in a  year time, I'll find this fix stupid)

README.md

@@ -135,7 +135,7 @@ This code creates a camera, then creates a scene, adds a cube on it, creates a &
 
 ### Change Log ###
 
-2011 10 06 - **r45** (340.607 KB, gzip: 86.462 KB)
+2011 10 06 - **r45** (340.863 KB, gzip: 86.568 KB)
 
 * `Object/Scene.add*()` and `Object/Scene.remove*()` are now `Object/Scene.add()` and `Object/Scene.remove()`. ([mrdoob](http://github.com/mrdoob))
 * `LOD.add()` is now `LOD.addLevel()`. ([mrdoob](http://github.com/mrdoob))

src/extras/loaders/ColladaLoader.js

@@ -86,7 +86,7 @@ THREE.ColladaLoader = function () {
 
 			var parts = url.split( '/' );
 			parts.pop();
-			baseUrl = parts.join( '/' ) + '/';
+			baseUrl = parts.length < 1 ? '' : parts.join( '/' ) + '/';
 
 		}
 
@@ -369,6 +369,8 @@ THREE.ColladaLoader = function () {
 			var bone = bones[ i ];
 			var found = -1;
 
+			if ( bone.type != 'JOINT' ) continue;
+
 			for ( var j = 0; j < skin.joints.length; j ++ ) {
 
 				if ( bone.sid == skin.joints[ j ] ) {
@@ -408,7 +410,7 @@ THREE.ColladaLoader = function () {
 
 			} else {
 
-				throw "could not find joint!";
+				throw 'ColladaLoader: Could not find joint \'' + bone.sid + '\'.';
 
 			}
 
@@ -424,14 +426,14 @@ THREE.ColladaLoader = function () {
 
 		if ( !skinController || !skinController.skin ) {
 
-			console.log("could not find skin controller!");
+			console.log( 'ColladaLoader: Could not find skin controller.' );
 			return;
 
 		}
 
 		if ( !instanceCtrl.skeleton || !instanceCtrl.skeleton.length ) {
 
-			console.log("could not find the skeleton for the skin!");
+			console.log( 'ColladaLoader: Could not find the skeleton for the skin. ' );
 			return;
 
 		}
@@ -476,6 +478,8 @@ THREE.ColladaLoader = function () {
 
 			for ( i = 0; i < bones.length; i ++ ) {
 
+				if ( bones[ i ].type != 'JOINT' ) continue;
+
 				for ( j = 0; j < bones[ i ].weights.length; j ++ ) {
 
 					w = bones[ i ].weights[ j ];
@@ -576,7 +580,7 @@ THREE.ColladaLoader = function () {
 
 					}
 
-					console.log("DAE: morph-controller partially supported.");
+					console.log( 'ColladaLoader: Morph-controller partially supported.' );
 
 				default:
 					break;
@@ -2179,7 +2183,7 @@ THREE.ColladaLoader = function () {
 					break;
 
 				default:
-					//console.log(child.nodeName);
+					// console.log(child.nodeName);
 					break;
 
 			}
@@ -2227,7 +2231,7 @@ THREE.ColladaLoader = function () {
 
 				default:
 
-					console.log('Dae::Source:read dont know how to read ' + param.type);
+					console.log( 'ColladaLoader: Source: Read dont know how to read ' + param.type + '.' );
 					break;
 
 			}

src/extras/loaders/Loader.js

@@ -59,9 +59,9 @@ THREE.Loader.prototype = {
 
 	extractUrlbase: function ( url ) {
 
-		var chunks = url.split( "/" );
-		chunks.pop();
-		return chunks.length < 1 ? "." : chunks.join( "/" );
+		var parts = url.split( '/' );
+		parts.pop();
+		return parts.length < 1 ? '' : parts.join( '/' ) + '/';
 
 	},