Spatial child = null;
Spatial child;
    public void drawBounds(Renderer r) {        r.drawBounds(getWorldBound());        Spatial child = null;        for (int i = 0, cSize = children.size(); i < cSize; i++) {            child = (Spatial) children.get(i);            if (child != null) child.onDrawBounds(r);        }    }