/// <summary>
/// Updates the scene graph.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="renderables">The renderables.</param>
/// <param name="results">Returns list of flattened scene graph with depth index as KeyValuePair.Key</param>
/// <returns></returns>
public virtual void UpdateSceneGraph(RenderContext context, FastList <SceneNode> renderables, FastList <KeyValuePair <int, SceneNode> > results)
{
renderables.PreorderDFT(context, updateFunc, results, stackCache1);
}
