haptic-input urgency var

import UIKit

class SortingGameViewController: UIViewController {
  // MARK: - Properties
  private let images = [
    "plastic-bottle",
    "metal-can",
    "cardboard-box",
    "other-trash"
  ]
  private let hapticFeedback = UIImpactFeedbackGenerator(style: .heavy)
  private var currentImageIndex = 0
  private var score = 0
  private var urgency = 0

  // MARK: - Outlets
  @IBOutlet weak var imageView: UIImageView!
  @IBOutlet weak var scoreLabel: UILabel!

  // MARK: - View Lifecycle
  override func viewDidLoad() {
    super.viewDidLoad()

    // Set the initial image and score
    imageView.image = UIImage(named: images[currentImageIndex])
    scoreLabel.text = "Score: 0"

    // Add a long press gesture recognizer to the image view
    let gestureRecognizer = UILongPressGestureRecognizer(target: self,
                                                         action: #selector(handleLongPress(gestureRecognizer:)))
    gestureRecognizer.minimumPressDuration = 0.1
    imageView.addGestureRecognizer(gestureRecognizer)
  }

  // MARK: - Private
  @objc private func handleLongPress(gestureRecognizer: UILongPressGestureRecognizer) {
    // Update the urgency value based on the pressure of the user's touch
    if gestureRecognizer.state == .began {
      urgency = Int(gestureRecognizer.pressure * 10)
      hapticFeedback.impactOccurred()
    } else if gestureRecognizer.state == .ended {
      // Check if the urgency value matches the correct answer for the current image
      let correctAnswer = urgency % images.count
      if correctAnswer == currentImageIndex {
        // Update the score and move on to the next image
        score += 1
        scoreLabel.text = "Score: \(score)"
        currentImageIndex = (currentImageIndex + 1) % images.count
        imageView.image = UIImage(named: images[currentImageIndex])
      } else {
        // Show an alert to inform the user that their answer was incorrect
        let alertController = UIAlertController(title: "Incorrect Answer",
                                                message: "Sorry, that was the wrong answer. Try again.",
                                                preferredStyle: .alert)
        let okAction = UIAlertAction(title: "OK", style: .default)
        alertController.addAction(okAction)
        present(alertController, animated: true)
      }

      // Reset the urgency value
      urgency = 0
    }
  }
}