/// <summary>
/// Adds this nodes bounding box (wireframe) to the RenderQueue.
/// </summary>
/// <param name="queue"></param>
public void AddBoundingBoxToQueue(RenderQueue queue)
{
if (wireBox == null)
{
wireBox = new WireBoundingBox();
}
// add the wire bounding box to the render queue
wireBox.InitAABB(worldAABB);
queue.AddRenderable(wireBox);
}