// Define which Arduino pins are connected to the LED pins
int ledPins[] = {A0, A1, A2, A3, A4};  // Pins connected to the LEDs through resistors
int numLeds = 5;                       // Number of LEDs
//int runCount = 0;                      // Counter for the number of completed runs
//int maxRuns = 10;                      // Maximum number of runs

void setup() {
  // Initialize all the LED pins as output
  for (int i = 0; i < numLeds; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
}

void loop() {
  // Check if the maximum number of runs has been reached
 // if (runCount >= maxRuns) {
  //  return;  // Exit the loop function, ending the simulation
 // }

  // Forward direction: Light up each LED one by one
  for (int i = 0; i < numLeds; i++) {
    analogWrite(ledPins[i], 255);  // Turn on the LED
    delay(200);                    // Keep the LED on for 200 milliseconds
    analogWrite(ledPins[i], 0);    // Turn off the LED
  }

  // Reverse direction: Light up each LED one by one, except the first and last
  for (int i = numLeds - 2; i > 0; i--) {
    analogWrite(ledPins[i], 255);  // Turn on the LED
    delay(200);                    // Keep the LED on for 200 milliseconds
    analogWrite(ledPins[i], 0);    // Turn off the LED
  }

  // Increment the run count after each full sequence
 // runCount++;
}