public override void OnDraw(Graphics2D graphics2D)
        {
            if (count++ == 20)
            {
                StencilCSG csgTest = new StencilCSG(300, 300);
                AddChild(csgTest);
            }
            this.NewGraphics2D().Clear(new RGBA_Bytes(255, 255, 255));

            base.OnDraw(graphics2D);
        }
        public override void OnDraw(Graphics2D graphics2D)
        {
            if (count++ == 20)
            {
                StencilCSG csgTest = new StencilCSG(300, 300);
                AddChild(csgTest);
            }
            this.NewGraphics2D().Clear(new RGBA_Bytes(255, 255, 255));

            base.OnDraw(graphics2D);
        }