static void Main(string[] args)
{
IntPtr win = IntPtr.Zero;
IntPtr ren = IntPtr.Zero;
SDL.SDL_Event e;
uint frameStart;
uint frameEnd;
uint deltaTimeInMilliseconds = 0;
if (!InitSDL(ref win, ref ren))
{
DestroySDL(ref win, ref ren);
return;
}
scene.Init(ref ren);
bool quit = false;
while (!quit)
{
frameStart = SDL.SDL_GetTicks();
while (SDL.SDL_PollEvent(out e) != 0)
{
switch (e.type)
{
case SDL.SDL_EventType.SDL_QUIT:
quit = true;
break;
case SDL.SDL_EventType.SDL_WINDOWEVENT:
if (e.window.windowEvent == SDL.SDL_WindowEventID.SDL_WINDOWEVENT_RESIZED)
{
int newWidth;
int newHeight;
SDL.SDL_GetWindowSize(win, out newWidth, out newHeight);
scene.Resize(newWidth, newHeight);
}
break;
case SDL.SDL_EventType.SDL_KEYDOWN:
case SDL.SDL_EventType.SDL_KEYUP:
{
if (e.key.keysym.sym == SDL.SDL_Keycode.SDLK_q)
{
quit = true;
}
else
{
//Pass event to the scene
}
}
break;
case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN:
case SDL.SDL_EventType.SDL_MOUSEBUTTONUP:
case SDL.SDL_EventType.SDL_MOUSEMOTION:
{
//Pass event to the scene
}
break;
default:
break;
}
}
SDL.SDL_SetRenderDrawColor(ren, 50, 50, 50, 255); //Set color to BLACK
SDL.SDL_RenderClear(ren); //Clear color buffer -> BLACK
Update(deltaTimeInMilliseconds); //Using previously computed deltaTimeInMilliseconds -> Variable Frame Rate Game Loop
Render(ref ren);
frameEnd = SDL.SDL_GetTicks();
deltaTimeInMilliseconds = frameEnd - frameStart;
}
DestroySDL(ref win, ref ren);
}