frustrumIntersects = r.getCamera().contains(worldBound);
frustrumIntersects = camera.contains(worldBound);
    public void onDraw(Renderer r) {        if (cullMode == CULL_ALWAYS) {            return;        }        // check to see if we can cull this node        frustrumIntersects = (parent != null ? parent.frustrumIntersects                : Camera.INTERSECTS_FRUSTUM);        if (cullMode == CULL_DYNAMIC && frustrumIntersects == Camera.INTERSECTS_FRUSTUM) {            frustrumIntersects = r.getCamera().contains(worldBound);        }        if (cullMode == CULL_NEVER || frustrumIntersects != Camera.OUTSIDE_FRUSTUM) {            draw(r);        }    }