int tick(float winwidth, float winheight, float pixratio, float seconds)
{
current_time = seconds;
fbsize.x = winwidth * pixratio;
fbsize.y = winheight * pixratio;
parg_zcam_tick(winwidth / winheight, seconds);
if (mode_demo_start) {
double t = (current_time - mode_demo_start) / DEMO_DURATION;
if (t >= 1) {
mode_demo_start = 0;
}
float scrolldelta = mode_demo_direction ? -3 : 3;
parg_zcam_grab_update(TARGETPOS.x, TARGETPOS.y, scrolldelta);
}
return parg_zcam_has_moved();
}
int tick(float winwidth, float winheight, float pixratio, float seconds)
{
parg_zcam_tick(winwidth / winheight, seconds);
return 1;
}