confettiandsinelon.ino

void confettiandsinelon()
{
  // a colored dot sweeping back and forth, with fading trails
  fadeToBlackBy( leds, NUM_LEDS, 10);
  int pos1 = beatsin16(4, 0, NUM_LEDS - 1); //beats_per_minute, uint16_t lowest=0, uint16_t highest=65535, uint32_t timebase=0, uint16_t phase_offset=0
  leds[pos1] += CHSV( gHue, 255, 192);
  int pos2 = random16(NUM_LEDS);
  int pos3 = random16(NUM_LEDS);
  int pos4 = random16(NUM_LEDS);
  EVERY_N_MILLIS(200) {
    leds[pos2] += CHSV( gHue + random8(64), 200, 255);
    leds[pos3] += CHSV( gHue + random8(64), 200, 255);
    leds[pos4] += CHSV( gHue + random8(64), 200, 255);
  }
}