self.highScore { self.highScore = self.score highScoreLabel.text = "Highscore: \(self.highScore)" UserDefaults.standard.set(self.highScore, forKey: "highscore") } // Alert let alert = UIAlertController(title: "Time is Over", message: "Do you want to play again?", preferredStyle: UIAlertController.Style.alert) let ok = UIAlertAction(title: "OK", style: UIAlertAction.Style.cancel, handler: nil) let replay = UIAlertAction(title: "Replay", style: UIAlertAction.Style.default) { (UIAlertAction) in // REPLAY ACTION self.score = 0 self.scoreLabel.text = "Score: \(self.score)" self.counter = 30 self.timeLabel.text = String(self.counter) self.time = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(self.countBack), userInfo: nil, repeats: true) self.hideTimer = Timer.scheduledTimer(timeInterval: 0.5, target: self, selector: #selector(self.hideKendy), userInfo: nil, repeats: true) } alert.addAction(ok) alert.addAction(replay) self.present(alert, animated: true, completion: nil) } } ">

// Variables
var score = 0
var counter = 0
var time = Timer()
var hideTimer = Timer()
var imageArray = [UIImageView] ()
var highScore = 0

// Views
@IBOutlet weak var timeLabel: UILabel!
@IBOutlet weak var scoreLabel: UILabel!
@IBOutlet weak var highScoreLabel: UILabel!
@IBOutlet weak var image1: UIImageView!
@IBOutlet weak var image2: UIImageView!
@IBOutlet weak var image3: UIImageView!
@IBOutlet weak var image4: UIImageView!
@IBOutlet weak var image5: UIImageView!
@IBOutlet weak var image6: UIImageView!
@IBOutlet weak var image7: UIImageView!
@IBOutlet weak var image8: UIImageView!
@IBOutlet weak var image9: UIImageView!


override func viewDidLoad() {
    super.viewDidLoad()
    
    scoreLabel.text = "Score: \(score)"
    
    // High Score Check
    let storedHighScore = UserDefaults.standard.object(forKey: "highscore")
    
    if storedHighScore == nil {
        highScore = 0
        highScoreLabel.text = "Highscore: \(highScore)"
    }
    
    if let newScore = storedHighScore as? Int {
        highScore = newScore
        highScoreLabel.text = "Highscore: \(highScore)"
    }
    
    image1.isUserInteractionEnabled = true
    image2.isUserInteractionEnabled = true
    image3.isUserInteractionEnabled = true
    image4.isUserInteractionEnabled = true
    image5.isUserInteractionEnabled = true
    image6.isUserInteractionEnabled = true
    image7.isUserInteractionEnabled = true
    image8.isUserInteractionEnabled = true
    image9.isUserInteractionEnabled = true
    
    let recognize1 = UITapGestureRecognizer(target: self, action: #selector(ViewController.increaseScore))
    let recognize2 = UITapGestureRecognizer(target: self, action: #selector(ViewController.increaseScore))
    let recognize3 = UITapGestureRecognizer(target: self, action: #selector(ViewController.increaseScore))
    let recognize4 = UITapGestureRecognizer(target: self, action: #selector(ViewController.increaseScore))
    let recognize5 = UITapGestureRecognizer(target: self, action: #selector(ViewController.increaseScore))
    let recognize6 = UITapGestureRecognizer(target: self, action: #selector(ViewController.increaseScore))
    let recognize7 = UITapGestureRecognizer(target: self, action: #selector(ViewController.increaseScore))
    let recognize8 = UITapGestureRecognizer(target: self, action: #selector(ViewController.increaseScore))
    let recognize9 = UITapGestureRecognizer(target: self, action: #selector(ViewController.increaseScore))
    
    imageArray = [image1, image2, image3, image4, image5, image6, image7, image8, image9]
    
    //imageArray.append(image1)
    image1.addGestureRecognizer(recognize1)
    image2.addGestureRecognizer(recognize2)
    image3.addGestureRecognizer(recognize3)
    image4.addGestureRecognizer(recognize4)
    image5.addGestureRecognizer(recognize5)
    image6.addGestureRecognizer(recognize6)
    image7.addGestureRecognizer(recognize7)
    image8.addGestureRecognizer(recognize8)
    image9.addGestureRecognizer(recognize9)
   
    //TIMER
    counter = 30
    timeLabel.text = String(counter)
    
    time = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(countBack), userInfo: nil, repeats: true)
    hideTimer =  Timer.scheduledTimer(timeInterval: 0.5, target: self, selector: #selector(hideKendy), userInfo: nil, repeats: true)

    //CALL FUNCTION
    hideKendy()
    
}

@objc func hideKendy() { // Hide the images when it clicked
    
    for kendy in imageArray {
        kendy.isHidden = true
    }
    
    // Rastgele sayı oluşturmak
    let random = Int(arc4random_uniform(UInt32(imageArray.count - 1)))
    imageArray[random].isHidden = false
}

@objc func increaseScore() { // When we click to image
    
    score = score + 1
    scoreLabel.text = "Score: \(score)"
}

@objc func countBack() { // Need to count the time
    
    counter = counter - 1
    timeLabel.text = String(counter)
    
    if counter == 0 {
        time.invalidate() // Time was stoped
        hideTimer.invalidate()
        
        for kendy in imageArray {
            kendy.isHidden = true
        }
        
        // High Score
        if self.score > self.highScore {
            self.highScore = self.score
            highScoreLabel.text = "Highscore: \(self.highScore)"
            UserDefaults.standard.set(self.highScore, forKey: "highscore")
        }
        
        // Alert
        let alert = UIAlertController(title: "Time is Over", message: "Do you want to play again?", preferredStyle: UIAlertController.Style.alert)
        
        let ok = UIAlertAction(title: "OK", style: UIAlertAction.Style.cancel, handler: nil)
        
        let replay = UIAlertAction(title: "Replay", style: UIAlertAction.Style.default) { (UIAlertAction) in
            
            // REPLAY ACTION
            self.score = 0
            self.scoreLabel.text = "Score: \(self.score)"
            self.counter = 30
            self.timeLabel.text = String(self.counter)
            
            self.time = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(self.countBack), userInfo: nil, repeats: true)
            self.hideTimer =  Timer.scheduledTimer(timeInterval: 0.5, target: self, selector: #selector(self.hideKendy), userInfo: nil, repeats: true)
            
        }
        
        alert.addAction(ok)
        alert.addAction(replay)
        self.present(alert, animated: true, completion: nil)
        
    }
}