コード例 #1
0
        private OpenGlRenderer(ModelView mv)
        {
            if (mv == null)
            {
                throw new ArgumentNullException(nameof(mv));
            }

            GLDoubleBuffer = new GLDoubleBuffer(mv);

            _MView = mv;

            DoSetup();
            _Disposable = _MView.BufferSwapNotifyObservable().Subscribe(args =>
            {
                var time   = DateTime.Now;
                var layers =
                    GLDoubleBuffer.Front.GroupBy(o => o.Value.Item1)
                    .OrderBy(o => o.Key)
                    .Select(o => new { Index = o.Key, Renderables = o.Select(q => q.Value.Item2).ToList() })
                    .ToList();
                foreach (var layer in layers)
                {
                    // Clear the depth buffer after each subsequent layer. This
                    // will ensure that they are drawn on top of each other.
                    if (layer.Index != 0)
                    {
                        GL.Clear(ClearBufferMask.DepthBufferBit);
                    }
                    foreach (var r in layer.Renderables)
                    {
                        r.Render(time);
                    }
                }
            });
        }