I just tested my Tank game in Blitz 3D, and the game pauses when I alt-tab out of it from fullscreen, but not from windowed mode.
Maybe Millisecs() just doesn't increment? That seems like it would crash some people's code though if they had FPS counters and didn't check for divide by 0. So it must stop completely.
Maybe Millisecs() just doesn't increment? That seems like it would crash some people's code though if they had FPS counters and didn't check for divide by 0. So it must stop completely.