Frame Rate

**Tommaso** · 04-03-2003

Hello. I am having a problem with timing my frame rate for an animated sprite in my game. The sprite consists of 7 DirectX surfaces that I flip through to create the animation. The problem is that I want to pause between each frame, but let the rest of the programs main loop run at full speed. I was wondering if anyone could help me on this matter. I was thinking of using something like GetTickCount, but I can't seem to make just the frame rate pause without it slowing the entire loop. I would greatly apprciate any help, or a link to set me in the right direction.

**~~Silvercord~~** · 04-03-2003

I'm not entirely sure what you are saying, you only want to draw the object(s) a certain number of times per second? If you have GetTickCount, you are measuring in milliseconds. If you want to draw 20 times per second, 1000 / 20 = 50, therefore you only draw it every 50 ms.

Code:

//if more than 50ms has passed since last draw we draw the sprites
CurrentSpriteTime = GetTickCount();

if((CurrentSpriteTime - LastSpriteTime) >= 50) {
Render$$$$(); 
LastSpriteTime = CurrentSpriteTime;
}

does that seem correct to you? I honestly haven't done this before.

**~~frenchfry164~~** · 04-03-2003

I think he's saying he wants a pause between the frames of his animation. Basically you just need to store the time it takes to progress the frame, either as a constant or a variable. Then have a variable the stores the time when the last frame started. Before you draw the sprite, you check if the time has elapsed. If so, you draw the next frame instead of the old one.

**~~Silvercord~~** · 04-03-2003

doesn't mine do just that? If you are pausing between each animation frame, that means you are only drawing x amount of times per second.

**Tommaso** · 04-03-2003

Thanks for the help. Just seeing your code was all I needed. Sometimes I need a little push with the simple things. All is going well now, so thanks a million!

**~~Silvercord~~** · 04-04-2003

Sweet, glad I helped ya.

**~~frenchfry164~~** · 04-04-2003

I was just clarifying to you what he wanted

. The way you worded it was that you only displayed the animation every so often.

you only want to draw the object(s) a certain number of times per second?

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