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#include <SDL/SDL.h>
int desiredfps = 300; //holds desired frames per second
Uint32 starttime,endtime;
Uint32 desired_frame_time;
void Init_Timer(void)
{
desired_frame_time = 1000/desiredfps;
starttime = SDL_GetTicks();
}
void Init_Special_Timer(int t)
{
desired_frame_time = 1000/t;
starttime = SDL_GetTicks();
}
void Wait_Frame (void)
{
static Uint32 addNextTime = 0;
Uint32 timetaken;
for (;;) {
endtime = SDL_GetTicks();
timetaken = addNextTime + endtime - starttime;
if (timetaken >= desired_frame_time) break;
SDL_Delay(1);
}
addNextTime = timetaken - desired_frame_time;
if (addNextTime > desired_frame_time) addNextTime = desired_frame_time;
starttime = endtime;
}
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