// Define the pin numbers
int reds[] = {13, 10, 7, 4};
int greens[] = {12, 9, 6, 3};
int blues[] = {11, 8, 5, 2};
int potPins[] = {A0, A1, A2}; // Connect your potentiometers to analog pins A0, A1, and A2

void setup() {
  // Set all the pins as OUTPUT
  for (int i = 0; i < 4; i++) {
    pinMode(reds[i], OUTPUT);
    pinMode(greens[i], OUTPUT);
    pinMode(blues[i], OUTPUT);
  }
}

void loop() {
  // Read the potentiometer values
  int potValue0 = analogRead(potPins[0]);
  int potValue1 = analogRead(potPins[1]);
  int potValue2 = analogRead(potPins[2]);

  // Map the first potentiometer value to the number of LEDs
  int numLEDs = map(potValue0, 0, 1023, 0, 4);

  // Map the second potentiometer value to a color
  int color = map(potValue1, 0, 1023, 0, 3);

  // Map the third potentiometer value to a delay time
  int delayTime = map(potValue2, 0, 1023, 50, 1000);

  // Turn off all LEDs
  for (int i = 0; i < 4; i++) {
    digitalWrite(reds[i], LOW);
    digitalWrite(greens[i], LOW);
    digitalWrite(blues[i], LOW);
  }

  // Turn on the selected LEDs with the selected color
  for (int i = 0; i < numLEDs; i++) {
    if (color == 0) {
      digitalWrite(reds[i], HIGH);
    } else if (color == 1) {
      digitalWrite(greens[i], HIGH);
    } else if (color == 2) {
      digitalWrite(blues[i], HIGH);
    }
    delay(delayTime);
    digitalWrite(reds[i], LOW);
    digitalWrite(greens[i], LOW);
    digitalWrite(blues[i], LOW);
  }
}