class Pin
{
    public:
    int pinNr;
    int brightness;
      int cooldown;
    bool increase = false;

    Pin(int nr){
    pinNr = nr;
    brightness = 0;
    cooldown = random(100,1000); // ändra för cooldownen första gåongen (mellan 1-75 atm)
    pinMode(nr, OUTPUT);

    }
    Pin(){
        pinNr = 0;
        brightness = 0;
          cooldown = 0;
          increase = false;
    }

  void CheckTime() // check every loop
  {
    if (increase == true){
           if (brightness >= 100)
        {
          increase = false;
        }
          else
        {
          brightness = brightness +2;
        }
    }
    else if (increase == false)
    {
      if (brightness <= 0)
      {
        if (cooldown <= 0)
        {
            increase = true;
              cooldown = random(100,1000);
        }
        else {
            cooldown = cooldown -1;
        }
      }
      else{
          brightness = brightness -2;
      }
    }

    analogWrite(pinNr, brightness);
  }
};

Pin pinArray[] = {Pin(3),Pin(5),Pin(6),Pin(9),Pin(10),Pin(11)};

void setup() {
digitalWrite(13, HIGH);
}

void loop() {

  for (int i = 0; i < 6; i++) {
    pinArray[i].CheckTime();
  }

 delay(30);
}