public void Play(GUIStage firstStage, int maxFPS = 30)
{
LoadStage(firstStage);
this.Show();
Graphics frontFrame = Graphics.FromHwnd(this.Handle);
DateTime lastFrameTime = DateTime.Now;
double timePerFrame = 1000 / maxFPS;
while (true)
{
if (!this.Created)
{
break;
}
if (NextStage != null)
{
CurrentStage = NextStage;
NextStage = null;
CurrentStage.Start();
}
float dt = (float)(DateTime.Now - lastFrameTime).TotalSeconds;
lastFrameTime = DateTime.Now;
CurrentStage.Update(dt);
CurrentStage.ClearBackFrame();
CurrentStage.Render();
CurrentStage.PasteToFrontBuffor(frontFrame, new Rectangle(0, 0, this.ClientSize.Width, this.ClientSize.Height));
Application.DoEvents();
double pause = timePerFrame - (DateTime.Now - lastFrameTime).TotalMilliseconds;
if (pause > 0)
{
System.Threading.Thread.Sleep((int)pause);
}
}
}
public static void LoadStage(GUIStage newStage)
{
NextStage = newStage;
}
