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Delay / Frames

Started by _sid Dec 18, 2004 at 4:14 AM 2 replies 600+ views

Original Post

Dec 18, 2004 at 4:14 AM

Hi all again :) Got a question: What'sa the best way to dalay a d3d prog? Or set frames per sec? I mean i need to reduce the number of frames per sec and the rendering speed. Dunno if there are some directX functions or properties of CreateDevice. So plz help :) Thx all.

hunta

Dec 18, 2004 at 4:24 AM

Hi!

You just do something like that:

const int FPS = 1000/30;void Mainloop(void){  DWORD dwStartTime = GetTickCount();  // render your stuff  while (GetTickCount()-dwStartTime < FPS)  {    // do nothing  }}

So if the rendering process finished before the given FPS count is reached, your application simply does nothing.

Bye, hunta

_sid

Author

_sid

Dec 18, 2004 at 6:53 AM

thx :)

Dookie

Dec 18, 2004 at 11:02 AM

You can do what hunta posted, or you can move that same routine to the 'render' function of your game. If 'render' is called and the timer hasn't expired, then simply return control to your main gameloop instead of rendering the scene. That way your gameloop can be processing input and sound instead of simply 'stopping' until the timer expires.

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