applyExact()

void fl::TimeScale::applyExact ( uint32_t timeNow )

private

Definition at line 68 of file time.cpp.

                                           {
    uint32_t elapsedRealTime = timeNow - mLastRealTime;
    mLastRealTime = timeNow;
    int32_t diff = static_cast<int32_t>(elapsedRealTime * mTimeScale);
    if (diff == 0) {
        return;
    }
    if (diff >= 0) {
        mRelativeTime += diff;
        return;
    }
 
    // diff < 0
    uint32_t abs_diff = -diff;
    if (abs_diff > mRelativeTime) {
        // Protection against rollover.
        mRelativeTime = 0;
        mLastRealTime = timeNow;
        return;
    }
    mLastRealTime = timeNow;
    mRelativeTime -= abs_diff;
}

References mLastRealTime, mRelativeTime, and mTimeScale.

Referenced by update().

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