Does anyone know how to calculate framerates? altair altair734@yahoo.com crawlegend.iwarp.com

I created this class to handle fps for debug purposes:

//
// This class is for timeing the game and calculate framrate
//

class CLTIMER {

private:
float timeoffset;
DWORD currenttime, lasttime;
float updatefps;
int fps;
int frames ;

public:
CLTIMER :: CLTIMER() {
updatefps = 0.0f;
fps = 0;
frames = 0;
}

CLTIMER :: ~CLTIMER() {

}

void CLTIMER :: GetTimePassed() {
// if the game just started, set lasttime to the
// current time this prevents the game from
// thinking that several hours have passed from
// the last frame.
if (lasttime == 0) lasttime = timeGetTime();

// get the current time
currenttime = timeGetTime();

// calculate the offset
timeoffset = ((float(currenttime) - lasttime) / 1000);


updatefps += timeoffset;
frames += 1;

if (updatefps >= 0.2f) {
fps = (int)(frames / updatefps);
frames = 0;
updatefps = 0.0f;
}

// put the current time in the lasttime variable
lasttime = currenttime;

}

float CLTIMER :: TimePassed () {
return timeoffset;
}

int CLTIMER :: FrameRate() {
return (int)(fps);
}

};

CLTIMER timer;


Call timer.GetTimePassed() once every frame and when you want the fps just call timer.FrameRate()



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