Star pattern for Fibonacci256: https://www.tindie.com/products/19429

fibonacciStars

// Fibonacci Stars pattern by Jason Coon
// For Fibonacci256: https://www.tindie.com/products/19429
// Meant for use in this sketch: https://github.com/jasoncoon/esp8266-fastled-webserver/tree/fibonacci256

// Draws shooting stars radiating outward from the center, along Fibonacci spiral lines.

void fibonacciStarsWithOffset(uint16_t stars[], uint8_t starCount, uint8_t offset = 21, bool setup = false, bool move = false) {
  // use a number from the Fibonacci sequence for offset to follow a spiral out from the center

  for (uint8_t i = 0; i < starCount; i++) {
    if (setup || stars[i] >= NUM_LEDS) { 
      // reset star
      stars[i] = random8(offset - 1);
    }

    uint16_t index = fibonacciToPhysical[stars[i]];

    // draw the star
    leds[index] = ColorFromPalette(currentPalette, stars[i] + gHue); // i * (240 / starCount)
  }

  // move the stars
  if(move) {
    for (uint8_t i = 0; i < starCount; i++) {
      stars[i] = stars[i] + offset;
    }
  }
}

const uint8_t starCount = 4;

void fibonacciStars13(bool setup = false, bool move = false) {
  static uint16_t stars[starCount];
  fibonacciStarsWithOffset(stars, starCount, 13, setup, move);
}

void fibonacciStars21(bool setup = false, bool move = false) {
  static uint16_t stars[starCount];
  fibonacciStarsWithOffset(stars, starCount, 21, setup, move);
}

void fibonacciStars34(bool setup = false, bool move = false) {
  static uint16_t stars[starCount];
  fibonacciStarsWithOffset(stars, starCount, 34, setup, move);
}

// called from Arduino loop
void fibonacciStars() {
  bool move = false;
  static bool setup = true;
  fadeToBlackBy( leds, NUM_LEDS, 8);

  EVERY_N_MILLIS(60) {
    move = true;
  }

  fibonacciStars13(setup, move);
  fibonacciStars21(setup, move);
  fibonacciStars34(setup, move);
  setup = false;
}