Box rVal = new Box(name + "_clone", (Vector3f) center.clone(), xExtent,
Box rVal = new Box(getName() + "_clone", (Vector3f) center.clone(), xExtent,
	public Object clone() {		Box rVal = new Box(name + "_clone", (Vector3f) center.clone(), xExtent,				yExtent, zExtent);		return rVal;	}