/// <summary>
/// Draws the entire model: in this case trivial. Major axis and the square.
/// </summary>
/// <param name="graphicsDevice">this is the display area we need to draw to.</param>
public void Draw(GraphicsDevice graphicsDevice, ContentManager contentManager, Camera viewCamera)
{
mMajorAxis.Draw(graphicsDevice, contentManager, viewCamera, mTheStack);
mRoot.Draw(graphicsDevice, contentManager, viewCamera, mTheStack);
}
