public static void RunApplication(SpreadApplication app) { startTime = DateTime.Now; float lastFrameTime = GetTime(); while (WindowLayer.ShouldRender(app.ctx)) { WindowLayer.EnterRenderLoop(app.ctx); InternalRunners <HookUpdateAttribute>(app); app.Update(); UILayer.EnterUIFrame(); app.DrawUI(); UILayer.ExitUIFrame(); WindowLayer.ExitRenderLoop(app.ctx); app.time = GetTime(); app.deltaTime = GetTime() - lastFrameTime; lastFrameTime = GetTime(); } }