AlkaronEngine.Graphics3D.RenderManager.RenderFrame C# (CSharp) Метод

        internal void RenderFrame(bool shouldSleep = false)
        {
            long end = System.Diagnostics.Stopwatch.GetTimestamp();
            double seconds = (double)(end - frameCalcStart) / (double)System.Diagnostics.Stopwatch.Frequency;
            if (seconds >= 1.0f)
            {
                frameCalcStart = end;
                CurrentFPS = frameCounter;

                frameCounter = 0;
            }

            long now = System.Diagnostics.Stopwatch.GetTimestamp();
            // Delta time in seconds since the last rendering pass
            double delta = (double)(now - frameRenderStartTime) / (double)System.Diagnostics.Stopwatch.Frequency;

            if (maxFPS >= -1)
            {
                // Check maxFPS delay

                double minDelta = 1.0 / (double)maxFPS;
                if (delta < minDelta)
                {
                    if (shouldSleep)
                    {
                        Thread.Sleep(1);
                    }
                    return;
                }
            }

            frameRenderStartTime = System.Diagnostics.Stopwatch.GetTimestamp();

            Performance.Push("RenderManager.Draw");

            GraphicsDevice.DepthStencilState = DepthStencilState.Default;

            // Apply update before rendering (adding new rendering proxies,
            // updating existing proxies)
            ApplyPreFrame(delta);

            // Render all active proxies in rendering passes
            RenderRenderPasses();

            // Render the UI
            RenderUI();

            Performance.Pop();

            frameCounter++;

            // Don't fry the CPU
            Thread.Sleep(1);
        }