private static void Render(Camera camera) { GL.ClearColor(0f, 0f, 0f, 1f); GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit); foreach (var ls in camera.Graph.Root.Traverse().OfType <LineSegment <PathNode, Vec3> > ()) { _shader.DrawLinePath(ls.VertexBuffer); } }