render()

void mood_ring::BreathLayer::render	(	const RoomSense &	s,
		const MoodPalette &	pal,
		float	dtSec,
		RingCanvas &	c )

Definition at line 59 of file layers.cpp.

                                                     {
    (void)s;
    mBreath += kTwoPi * kBreathHz * dtSec;
    while (mBreath > kTwoPi)
        mBreath -= kTwoPi;
    mPosA = advance(mPosA, kBreathDriftTurnsPerSec, dtSec);
    mPosB = advance(mPosB, -kBreathDriftTurnsPerSec * 0.7f, dtSec);
 
    // Whole-ring breath between floor and a restrained ceiling.
    const float breath =
        kBreathFloor + 0.25f * (0.5f + 0.5f * fl::sin(mBreath));
    c.fill(paletteColor(pal, 0.0f), breath);
 
    // Two blobs on opposite ends of the family, each breathing out of phase.
    const float aGain = 0.35f + 0.25f * (0.5f + 0.5f * fl::sin(mBreath + 1.2f));
    const float bGain = 0.35f + 0.25f * (0.5f + 0.5f * fl::sin(mBreath + 3.6f));
    c.lobe(mPosA, kBreathSigma, paletteColor(pal, 0.35f), aGain);
    c.lobe(mPosB, kBreathSigma, paletteColor(pal, 1.0f), bGain);
}

References mood_ring::RingCanvas::fill(), mood_ring::RingCanvas::lobe(), mBreath, mPosA, mPosB, mood_ring::paletteColor(), and fl::sin().

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