DeathAnimationFunction.ino

void deathDisplay() {

  // Note: DEATH_INTERVAL is 1000 (1 second animation)
  
  if (!deathTimer.isExpired()) {
    // then we are healing
    // 4 containers to remove energy from
    FOREACH_FACE(f) {
      long offset = DEATH_INTERVAL / 6;
      byte dist = (6 - f) % 6;
      byte phase;
      switch (dist) {
        case 0: phase = 3; break;
        case 1: phase = 2; break;
        case 2: phase = 1; break;
        case 3: phase = 0; break;
        case 4: phase = 1; break;
        case 5: phase = 2; break;
      }
      long t0 = (phase * offset) + (DEATH_INTERVAL - (offset * 3));
      long t1 = (phase * offset);
      long progress = deathTimer.getRemaining();
      byte brightness = map_m(progress, t0, t1, 255, 0);
      if (progress > t0) brightness = 0;
      if (progress < t1) brightness = 0;
      setFaceColor(f, makeColorHSB(currentHue, 255, brightness));
    }
  }
  else {
    FOREACH_FACE(f) {
      byte currentBrightness = random(50);

      if (f > 0) { //regular faces
        setColorOnFace(makeColorHSB(currentHue, 255, currentBrightness), f);
      } else {//face 0
        byte filamentBrightness = max(currentBrightness, 100);
        setColorOnFace(makeColorHSB(currentHue, 255, filamentBrightness), f);
      }
    }
  }

}