protected override void OnLoad(EventArgs e)
        {
            var l = BuildLevel();

            var sp = GameObjectFactory.Instance.CreateSpawnPoint(new Vector2D(-50, -50), 6, 75);

            l.StaticGameObjects.Add(sp);

            GameObjectFactory.Instance.SaveLevel(l, "l1.level");

            var playerOne = GameObjectFactory.Instance.CreatePlayer("Some Guy", l.SpawnPoints[0]);

            _camera = new FirstPersonCamera(ref playerOne);

            _gi = new SandboxGameInstance(l);
            _gi.LivingGameObjects.Add(playerOne);

            _renderer = new Renderer(((GameInstance)_gi));

            base.OnLoad(e);
        }
        public void RenderScene(Camera c)
        {
            c.SetupCamera();
              c.UseCamera();

              foreach (var g in _gameInstance.CurrentLevel.Chunks)
              {
            DrawLevelChunk(g);
              }

              GL.PushMatrix();

              GL.Disable(EnableCap.Lighting);

              foreach (
            var g in
            (from g1 in
             (from g2 in _gameInstance.CurrentLevel.StaticGameObjects select g2 as GameObject).Union(
               (from g3 in _gameInstance.LivingGameObjects select g3 as GameObject)
              )
             orderby new Line2D(c.Position, g1.Position).Length descending
             where g1.IsVisible
             select g1))
              {

            if (g is DynamicGameObject)
            {

            }
            if (g is StaticGameObject)
            {
              // BillboardCheatSphericalBegin();

              GL.BindTexture(TextureTarget.Texture2D, ContentManager.Instance[g.TextureHandle].glID);

              GL.PushMatrix();

              GL.Translate(g.X, g.Z, g.Y);

              GL.Rotate(-c.Angle+90, 0, 1, 0);

              // GL.Disable(EnableCap.Texture2D);
              GL.Begin(BeginMode.Quads);

              GL.TexCoord2(1, 0);
              GL.Vertex2(.5, 1);

              GL.TexCoord2(0, 0);
              GL.Vertex2(-.5, 1);

              GL.TexCoord2(0, 1);
              GL.Vertex2(-.5, 0);

              GL.TexCoord2(1, 1);
              GL.Vertex2(.5, 0);

              GL.End();
              //GL.Enable(EnableCap.Texture2D);

              // BillboardEnd();

              GL.PopMatrix();
            }
              }

              GL.Enable(EnableCap.Lighting);
              GL.PopMatrix();
        }