no_delay_for_Kyle.txt

boolean goForward = true;

void loop() {
  static uint8_t hue = 0;
  static uint8_t count = 0;
  
  //if (goForward == true && count < NUM_LEDS) {
  if (goForward == true) {
    EVERY_N_MILLISECONDS(15){
      for(int i = 0; i < NUM_LEDS; i++) {
        leds[i] = CHSV((hue++ + 20), 255, 255);
        FastLED.show();
        fadeToBlackBy( leds, NUM_LEDS, 250);
      }
      count++;
    }
    if (count == NUM_LEDS) { goForward = false; }
  }
  
  if (goForward == false) {
    // Now go in the other direction.
    EVERY_N_MILLISECONDS(2){
      for(int i = (NUM_LEDS); i >= 0; i--) {
        leds[i] = CHSV((hue++ + 20), 255, 255);
        FastLED.show();
        fadeToBlackBy( leds, NUM_LEDS, 250);
      }
      count--;
      if (count == 0) { goForward = true; }
    }
  }
  
}//end of main loop