emitPulse()

void mood_ring::MoodPainter::emitPulse ( float strength, bool downbeat, fl::u32 nowMs )

private

Definition at line 146 of file mood_painter.cpp.

                                                                      {
    if (strength <= 0.02f)
        return;
    int slot = -1;
    for (int i = 0; i < kMaxPulses; ++i) {
        if (!mPulses[i].active) {
            slot = i;
            break;
        }
    }
    if (slot < 0) {
        // All busy: recycle the oldest. The newest hits are the ones the
        // eye is tracking.
        slot = 0;
        for (int i = 1; i < kMaxPulses; ++i) {
            if (mPulses[i].startMs < mPulses[slot].startMs)
                slot = i;
        }
    }
    mPulses[slot].startMs = nowMs;
    mPulses[slot].strength = strength;
    mPulses[slot].downbeat = downbeat;
    mPulses[slot].active = true;
}

References kMaxPulses, and mPulses.

Referenced by draw().

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