/* Initialize the framerate manager. 
Initialize the framerate manager, set default framerate of 30Hz and reset delay interpolation. */
void SDL_initFramerate(FPSmanager *manager)
/* Initialize the framerate manager. 
Initialize the framerate manager, set default framerate of 30Hz and reset delay interpolation. */
void SDL_initFramerate(FPSmanager *manager)
{
	manager->framecount = 0;
	manager->rate = FPS_DEFAULT;
	manager->rateticks = (1000.0f / (float) FPS_DEFAULT);
	manager->baseticks = _getTicks();
	manager->lastticks = manager->baseticks;
}