Added option to ColladaLoader to recenter all Geometry so that they are...

Added option to ColladaLoader to recenter all Geometry so that they are centered around the local origin of their containing Mesh.

src/extras/GeometryUtils.js

@@ -488,6 +488,8 @@ THREE.GeometryUtils = {
 
 		geometry.computeBoundingBox();
 
+		return new THREE.Vector3( dx, dy, dz );
+
 	}
 
 

src/extras/loaders/ColladaLoader.js

@@ -28,6 +28,10 @@ THREE.ColladaLoader = function () {
 	var preferredShading = THREE.SmoothShading;
 
 	var options = {
+		// Force Geometry to always be centered at the local origin of the
+		// containing Mesh.
+		centerGeometry: false,
+
 		// Axis conversion is done for geometries, animations, and controllers.
 		// If we ever pull cameras or lights out of the COLLADA file, they'll
 		// need extra work.
@@ -795,6 +799,14 @@ THREE.ColladaLoader = function () {
 		obj.useQuaternion = true;
 		obj.scale = props[ 2 ];
 
+		if ( options.centerGeometry && obj.geometry ) {
+
+			var delta = THREE.GeometryUtils.center( obj.geometry );
+			obj.quaternion.multiplyVector3( delta.multiplySelf( obj.scale ) );
+			obj.position.subSelf( delta );
+
+		}
+
 		for ( i = 0; i < node.nodes.length; i ++ ) {
 
 			obj.add( createSceneGraph( node.nodes[i], node ) );