const int redPin = 11;
const int greenPin = 10;
const int bluePin = 9;
const int buttonPin = 2;

int currentColor = 0;
int numColors = 7; // Change this to the number of colors you want to cycle through

void setup() {
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  pinMode(buttonPin, INPUT_PULLUP); // Enable the internal pull-up resistor
}

void loop() {
  int buttonState = digitalRead(buttonPin);

  if (buttonState == LOW) {
    // Button pressed, change to the next color
    currentColor = (currentColor + 1) % numColors;
    delay(200); // Debounce the button
  }

  // Call a function to set the LED color based on the current color index
  setRGBColor(currentColor);
}

void setRGBColor(int colorIndex) {
  // Define the RGB values for each color
  int colors[][3] = {
    {255, 0, 0},     // Red
    {0, 255, 0},     // Green
    {0, 0, 255},     // Blue
    {255, 255, 0},   // Yellow
    {0, 255, 255},   // Cyan
    {255, 0, 255},   // Magenta
    {255, 255, 255}  // White
    // Add more colors if needed
  };

  analogWrite(redPin, colors[colorIndex][0]);
  analogWrite(greenPin, colors[colorIndex][1]);
  analogWrite(bluePin, colors[colorIndex][2]);
}