try {
// detach the old colladaNode, if present.
_root.detachChild(colladaNode);
final long time = System.currentTimeMillis();
final ColladaImporter colladaImporter = new ColladaImporter();
// Load the collada scene
final ColladaStorage storage = colladaImporter.load(source);
colladaNode = storage.getScene();
setupSkins(storage);
setupAnimations(storage);