1 import UIKit
  2
  3 fileprivate let buttonH: CGFloat = 200
  4
  5 class ViewController: UIViewController, UIGestureRecognizerDelegate {
  6
  7     @IBOutlet weak var segmentControl: UISegmentedControl!
  8     var randomBtn: UIButton!
  9     override func viewDidLoad() {
 10         super.viewDidLoad()
 11
 12         // Do any additional setup after loading the view.
 13
 14         setupUI()
 15     }
 16
 17
 18     @IBAction func segmentedControlAction(_ sender: UISegmentedControl) {
 19
 20         switch sender.selectedSegmentIndex {
 21         case 0:
 22             randomBtn.backgroundColor = UIColor.red
 23         case 1:
 24             randomBtn.backgroundColor = UIColor.green
 25         case 2:
 26             randomBtn.backgroundColor = UIColor.blue
 27         case 3:
 28             randomBtn.backgroundColor = UIColor.randomColor()
 29         default:
 30             randomBtn.backgroundColor = UIColor.yellow
 31         }
 32     }
 33
 34     override func didReceiveMemoryWarning() {
 35         super.didReceiveMemoryWarning()
 36         // Dispose of any resources that can be recreated.
 37     }
 38
 39
 40     /*
 41     // MARK: - Navigation
 42
 43     // In a storyboard-based application, you will often want to do a little preparation before navigation
 44     override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
 45         // Get the new view controller using segue.destinationViewController.
 46         // Pass the selected object to the new view controller.
 47     }
 48     */
 49
 50 }
 51
 52 extension ViewController {
 53     func setupUI() {
 54         // 添加背景色
 55         let backgroundLayer = CAGradientLayer()
 56         backgroundLayer.colors = [UIColor.yellow.cgColor, UIColor.white.cgColor]
 57         backgroundLayer.startPoint = CGPoint(x: 0.5, y: 0)
 58         backgroundLayer.endPoint = CGPoint(x: 0.5, y: 1)
 59         backgroundLayer.frame = self.view.bounds
 60         self.view.layer.addSublayer(backgroundLayer)
 61
 62         self.view.bringSubview(toFront: segmentControl)
 63
 64         // 添加 button
 65         self.randomBtn = UIButton()
 66         randomBtn.frame.size = CGSize(width: buttonH, height: buttonH)
 67         randomBtn.backgroundColor = UIColor.red
 68         randomBtn.center = self.view.center
 69         randomBtn.setTitle("MineCode", for: .normal)
 70         randomBtn.layer.cornerRadius = buttonH / 2
 71         randomBtn.titleLabel?.font = UIFont.systemFont(ofSize: 24)
 72         randomBtn.titleLabel?.textColor = UIColor.white
 73         self.view.addSubview(randomBtn)
 74
 75         addGesture()
 76     }
 77
 78     func addGesture() {
 79
 80         let singleTapGes = UITapGestureRecognizer(target: self, action:#selector(signleTapAction(_ :)))
 81         singleTapGes.numberOfTapsRequired = 1
 82         self.randomBtn.addGestureRecognizer(singleTapGes)
 83
 84         let longPressGes = UILongPressGestureRecognizer(target: self, action:#selector(longPressAction(_ :)))
 85         longPressGes.allowableMovement = 10
 86         longPressGes.minimumPressDuration = 1
 87         self.randomBtn.addGestureRecognizer(longPressGes)
 88
 89         let panGes = UIPanGestureRecognizer(target: self, action:#selector(panGesAction(_ :)))
 90         panGes.minimumNumberOfTouches = 1
 91         panGes.maximumNumberOfTouches = 1
 92         self.randomBtn.addGestureRecognizer(panGes)
 93
 94         let pinchGes = UIPinchGestureRecognizer(target: self, action:#selector(pinchAction(_ :)))
 95         pinchGes.delegate = self
 96         self.randomBtn.addGestureRecognizer(pinchGes)
 97
 98         let rotationGes = UIRotationGestureRecognizer(target: self, action:#selector(rotationAction(_ :)))
 99         rotationGes.delegate = self
100         self.randomBtn.addGestureRecognizer(rotationGes)
101     }
102 }
103
104 extension ViewController {
105     @objc func signleTapAction(_ tap: UITapGestureRecognizer) {
106
107         print("Tap click...")
108
109         let animation = CABasicAnimation(keyPath: "transform.rotation.z")
110
111         animation.duration = 0.08
112         animation.repeatCount = 4
113         animation.fromValue = (-M_1_PI)
114         animation.toValue = (M_1_PI)
115         animation.autoreverses = true
116         self.randomBtn.layer.anchorPoint = CGPoint(x: 0.5, y: 0.5)
117         self.randomBtn.layer.add(animation, forKey: "rotation.z")
118     }
119
120     @objc func longPressAction(_ longGes: UILongPressGestureRecognizer) {
121
122         print("Long Start...")
123
124         let animation = CAKeyframeAnimation(keyPath: "transform.translation.x")
125
126         animation.duration = 0.08
127         animation.repeatCount = 2
128
129         animation.values = [0, -self.randomBtn.frame.width / 4, self.randomBtn.frame.width / 4, 0]
130         animation.autoreverses = true
131         self.randomBtn.layer.anchorPoint = CGPoint(x: 0.5, y: 0.5)
132         self.randomBtn.layer.add(animation, forKey: "rotation.x")
133     }
134
135     @objc func panGesAction(_ panGes: UIPanGestureRecognizer) {
136
137         print("Pan Start")
138
139         let movePoint = panGes.translation(in: self.view)
140         var curPoint = self.randomBtn.center
141         curPoint.x += movePoint.x
142         curPoint.y += movePoint.y
143         self.randomBtn.center = curPoint
144
145         panGes.setTranslation(CGPoint.zero, in: self.view)
146     }
147
148     @objc func pinchAction(_ pinch: UIPinchGestureRecognizer) {
149
150         print("PinchAction start")
151
152         let pinchScale = pinch.scale
153         self.randomBtn.transform = self.randomBtn.transform.scaledBy(x: pinchScale, y: pinchScale)
154
155         pinch.scale = 1.0
156     }
157
158     @objc func rotationAction(_ rotation: UIRotationGestureRecognizer) {
159
160         print(("rotation Start"))
161
162         let rotationR = rotation.rotation
163         self.randomBtn.transform = self.randomBtn.transform.rotated(by: rotationR)
164
165         rotation.rotation = 0.0
166     }
167
168     func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
169         return true
170     }
171 }
172
173 extension UIColor {
174     convenience init(r: CGFloat, g: CGFloat, b: CGFloat) {
175         self.init(red: r / 255.0, green: g / 255.0, blue: b / 255.0, alpha: 1.0)
176     }
177
178     class func randomColor() -> UIColor {
179         return UIColor(r: CGFloat(arc4random_uniform(256)), g: CGFloat(arc4random_uniform(256)), b: CGFloat(arc4random_uniform(256)))
180     }
181 }