Move

.swift

override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
    guard let touch = touches.first else {
        return
    }
    if let view = touch.view as? UIImageView {
        selectedView = view
    }
}

override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent?) {

    guard let touch = touches.first else {
        return
    }
  
    if let view = selectedView {
        let location =  touch.location(in: boxDraw)
        if boxDraw.bounds.contains(location) {
            view.layer.position = location
        }
    }
}