/**
* Checks whether the specified duration (dt) has passed since the last
* update. If yes, it updates the time stamp.
* @param now Current time
* @param dt The timestep in milliseconds
* @return
*/
bool check_advance(const fixed now, const fixed dt) {
if (check_reverse(now)) {
return false;
}
if (now >= last + dt) {
last = now;
return true;
} else
return false;
}
fixed delta_advance(const fixed now) {
fixed dt=now-last;
if (check_reverse(now)) {
return fixed_minus_one;
}
// check if time has advanced past dt
if (now-last>=dt) {
last= now;
return dt;
} else {
return fixed_zero;
}
}
double delta_advance(const double now) {
double dt=now-last;
if (check_reverse(now)) {
return -1;
}
// QUESTION TB: does that make sense?! seems to me like if(true) {...}
if (now-last>=dt) {
last= now;
return dt;
} else {
return 0;
}
}
