스와이프시 방향 감지 방법

DetectTouchDirection.swift

import UIKit
import AVFoundation

class ViewController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        addSwipe()
    }
    func addSwipe() {
        let directions: [UISwipeGestureRecognizerDirection] = [.right, .left, .up, .down]
        for direction in directions {
            let gesture = UISwipeGestureRecognizer(target: self, action: #selector(self.handleSwipe))
            gesture.direction = direction
            self.view.addGestureRecognizer(gesture)
        }
    }
    
    func handleSwipe(sender: UISwipeGestureRecognizer) {
        
        switch sender.direction {
        case UISwipeGestureRecognizerDirection.right:
            print("Swiped right")
        case UISwipeGestureRecognizerDirection.down:
            print("Swiped down")
        case UISwipeGestureRecognizerDirection.left:
            print("Swiped left")
        case UISwipeGestureRecognizerDirection.up:
            print("Swiped up")
        default:
            break
        }
    }
    
   
}