void GameLoop::Run()
{
_isRunning = true;
Timer timer;
micro_seconds current = timer.ElapsedMicroSeconds();
micro_seconds accumulator = current;
while (_isRunning)
{
current = timer.ElapsedMicroSeconds();
for (
int updateNumber = 0;
updateNumber < MAX_CONSECUTIVE_UPDATES && accumulator < current;
++updateNumber)
{
accumulator += _updateDelay;
InnerUpdate(_updateDelay);
}
// If the system is running too slow for the update to run at a consistent pace
// then we need to resync the accumulator past the current time so that we can
// calculate an interpolated value for the next draw call.
if (accumulator < current)
{
micro_seconds diff = current - accumulator;
micro_seconds updatesMissed = diff / _updateDelay + 1;
accumulator += updatesMissed * _updateDelay;
}
auto interpolation = 1.0 - (double(accumulator - current) / double(_updateDelay));
InnerDraw(interpolation);
}
// TODO win32 system exit code
//return static_cast<int>(exitCode);
}
