ArduinoButtonGameWIP

int buttons[] = {2,3,4};
int buttonState = 0;
int currentButton = 0;
float timer = 0;
int score = 0;
int gameState = 0;
int pinState = 0;
int currentPin = 0;
int allPins[] = {2,3,4,5,6,7,8,9,10,11,12,13};

void setup() {
  Serial.begin(9600);
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(4, INPUT);
  pinMode(3, INPUT);
  pinMode(2, INPUT);
  gameState = 1;
  currentButton = random(2,5);
}

void buttonSelect() {
    currentButton = random(2,5);
  }

void buttonCheck() {
  buttonState = digitalRead(currentButton);
  if (buttonState == HIGH && gameState == 1) {
    //pinState = HIGH;
    score += 1;
    digitalWrite(currentPin, LOW);
    buttonSelect();
    delay(500);
  } else {
    //pinState = LOW;
  }
}

void buttonToPin () {
  if (currentButton == 2) {
      currentPin = 13;
    }
  if (currentButton == 3) {
      currentPin = 12;
    }
  if (currentButton == 4) {
      currentPin = 11;
    }
  }

void loop() {
  if(timer >= 60) {
      timer = 0;
      //gameState = 0;
    } else {
      timer += 0.01;
      }
  buttonCheck();
  buttonToPin();
  digitalWrite(currentPin, HIGH);
  Serial.println(currentPin);
  Serial.println(currentButton);
  Serial.println(score);
  delay(10);
}