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Fix negative loop counts when dt is small.

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This commit is contained in:
James Turner 2016-01-05 23:18:41 -06:00
parent ac84115ac3
commit 3d9d44cf73
1 changed files with 1 additions and 0 deletions
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simgear/structure/subsystem_mgr.cxx
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@ -234,6 +234,7 @@ SGSubsystemGroup::update (double delta_time_sec)
if ((delta_time_sec > 0.0) && (_fixedUpdateTime > 0.0)) {
double localDelta = delta_time_sec + _updateTimeRemainder;
loopCount = SGMiscd::roundToInt(localDelta / _fixedUpdateTime);
loopCount = std::max(0, loopCount);
_updateTimeRemainder = delta_time_sec - (loopCount * _fixedUpdateTime);
delta_time_sec = _fixedUpdateTime;
}