public void Start()
{
var startTime = DateTime.Now;
var deltaTime = 0f;
var lastFrameTime = startTime;
Input.Start();
while (true)
{
var sdlEvent = SdlWrapper.PollEvent();
var eventResult = HandleSdlEvent(sdlEvent);
if (eventResult == LoopDo.Continue)
{
continue;
}
if (eventResult == LoopDo.Break)
{
break;
}
deltaTime = (float)(DateTime.Now - lastFrameTime).TotalSeconds;
lastFrameTime = DateTime.Now;
Input.Update();
JustBeforeDraw?.Invoke(deltaTime);
Input.Clear();
_vulkan.DrawFrame();
}
Dispose();
}
/// <summary>
/// Returns false if user quit the application during initializtion
/// </summary>
public bool Initialize(List <GameObject> gameObjects, Camera mainCamera, string windowTitle, int windowPositionX, int windowPositionY, int windowWidth, int windowHeight)
{
_gameObjects = gameObjects;
_window = new Window(windowTitle + " - Initializing...", windowPositionX, windowPositionY, windowWidth, windowHeight, SDL_WindowFlags.SDL_WINDOW_RESIZABLE);
_vulkan = new VulkanRenderer(_window, gameObjects, mainCamera);
var tokenSrc = new CancellationTokenSource();
var initTask = _vulkan.InitializeAsync(tokenSrc.Token);
while (initTask.IsCompleted == false)
{
var sdlEvent = SdlWrapper.PollEvent();
if (sdlEvent.type == SDL_EventType.SDL_QUIT)
{
_logger.LogInfo("Cancelling initialization...");
tokenSrc.Cancel();
initTask.Wait();
_logger.LogInfo("Initialization cancelled");
return(false);
}
}
_window.Title = windowTitle;
return(true);
}
