#include <Adafruit_NeoPixel.h>

#define PIN 2 // Define the pin where your NeoPixel matrix is connected
#define WIDTH 32
#define HEIGHT 8

Adafruit_NeoPixel strip = Adafruit_NeoPixel(WIDTH * HEIGHT, PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
}

void loop() {
  // Blink the first row in rainbow colors
  for (int i = 0; i < WIDTH; i++) {
    strip.setPixelColor(i, Wheel((i * 256 / WIDTH) & 255));
  }
  strip.show();
  delay(200);
  clearRow(0);
  strip.show();
  delay(200);

  // Fibonacci chase for the rest of the rows
  for (int row = 1; row < HEIGHT; row++) {
    fibonacciChase(row);
  }
}

void fibonacciChase(int row) {
  int a = 0, b = 1, fib = 0;
  uint32_t color = strip.Color(random(0, 256), random(0, 256), random(0, 256)); // Generate random color

  for (int i = 0; i < WIDTH; i++) {
    if (i == fib) {
      strip.setPixelColor(row * WIDTH + i, color);
      fib = a + b;
      a = b;
      b = fib;
    } else {
      strip.setPixelColor(row * WIDTH + i, 0); // Turn off other pixels
    }
  }

  strip.show();
  delay(200);

  // Reverse chase
  for (int i = WIDTH - 1; i >= 0; i--) {
    if (i == fib) {
      strip.setPixelColor(row * WIDTH + i, color);
      fib = a - b;
      a = b;
      b = fib;
    } else {
      strip.setPixelColor(row * WIDTH + i, 0);
    }
  }

  strip.show();
  delay(200);
}

void clearRow(int row) {
  for (int i = 0; i < WIDTH; i++) {
    strip.setPixelColor(row * WIDTH + i, 0); // Turn off all pixels in the row
  }
}

// Input a value 0 to 255 to get a color value.
// The colours are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
  WheelPos = 255 - WheelPos;
  if (WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  } else if (WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  } else {
    WheelPos -= 170;
    return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
  }
}