else if (node.equals(NodeResourcesManager.getResources().getString("Switch")))
return new SwitchNodeXith3D(parent);
else if (node.equals(NodeResourcesManager.getResources().getString("Sphere")))
return new SphereNodeXith3D(parent);
else if (node.equals(NodeResourcesManager.getResources().getString("Cube")))
return new CubeNodeXith3D(parent);
return null;