isActive()

bool fl::TimeRamp::isActive ( uint32_t now ) const

overridevirtual

Returns

true iff we're still within the latch period.

Implements fl::TimeAlpha.

Definition at line 61 of file time_alpha.cpp.

                                          {
 
    bool not_started = (mFinishedRisingTime == 0) && (mFinishedPlateauTime == 0) &&
                       (mFinishedFallingTime == 0);
    if (not_started) {
        // if we have not started, we are not active
        return false;
    }
 
    if (now < mStart) {
        // if the time is before the start, we are not active
        return false;
    }
 
    if (now > mFinishedFallingTime) {
        // if the time is after the finished rising, we are not active
        return false;
    }
 
    return true;
}

References mFinishedFallingTime, mFinishedPlateauTime, mFinishedRisingTime, and mStart.

Referenced by applyFancyEffect(), and update().

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