#include <Adafruit_GFX.h>
#include <Adafruit_NeoMatrix.h>
#include <Adafruit_NeoPixel.h>

#define PIN 6   // Data pin connected to RGB matrix

// Matrix setup: 32 wide, 8 high
Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(
  32, 8, PIN,
  NEO_MATRIX_TOP + NEO_MATRIX_LEFT +
  NEO_MATRIX_ROWS + NEO_MATRIX_PROGRESSIVE,
  NEO_GRB + NEO_KHZ800
);

void setup() {
  matrix.begin();
  matrix.setBrightness(40); // Adjust brightness as needed
}

void loop() {
  // --- ART 1: Gradient stripes ---
  for (int x = 0; x < 32; x++) {
    uint16_t color = matrix.Color(x * 8, 255 - x * 8, (x * 4) % 255);
    for (int y = 0; y < 8; y++) {
      matrix.drawPixel(x, y, color);
    }
  }
  matrix.show();
  delay(2000);

  // --- ART 2: Checkerboard pattern ---
  matrix.fillScreen(0);
  for (int x = 0; x < 32; x++) {
    for (int y = 0; y < 8; y++) {
      if ((x + y) % 2 == 0) {
        matrix.drawPixel(x, y, matrix.Color(255, 0, 0)); // Red
      } else {
        matrix.drawPixel(x, y, matrix.Color(0, 0, 255)); // Blue
      }
    }
  }
  matrix.show();
  delay(2000);

  // --- ART 3: Diagonal rainbow ---
  matrix.fillScreen(0);
  for (int x = 0; x < 32; x++) {
    for (int y = 0; y < 8; y++) {
      uint16_t color = matrix.Color((x * 8) % 255, (y * 32) % 255, ((x + y) * 16) % 255);
      matrix.drawPixel(x, y, color);
    }
  }
  matrix.show();
  delay(2000);
}