Swift and swiftcode

Swift and swiftcode

Swift-RotateView

 

Effect

 

Source code

Https://github.com/YouXianMing/Swift-Animations

/// RotateView. swift // Swift-Animations // Created by YouXianMing on 16/8/14. // Copyright©2016 YouXianMing. all rights reserved. // import UIKit // MARK: Public class: RotateViewclass RotateView: UIView {// MARK: Properties. var rotateDuration: NSTimeInterval = 0.25 // MARK: Animation method. func changeToUpAnimated (animated: Bool) {UIView. animateWithDuration (animated = true? Self. rotateDuration: 0.0) {self. transform = self. defaultTransform} func changeToLeftAnimated (animated: Bool) {UIView. animateWithDuration (animated = true? Self. rotateDuration: 0.0) {self. transform = CGAffineTransformRotate (self. defaultTransform, CGFloat (-M_PI_2)} func changeToRightAnimated (animated: Bool) {UIView. animateWithDuration (animated = true? Self. rotateDuration: 0.0) {self. transform = CGAffineTransformRotate (self. defaultTransform, CGFloat (M_PI_2)} func changeToDownAnimated (animated: Bool) {UIView. animateWithDuration (animated = true? Self. rotateDuration: 0.0) {self. transform = CGAffineTransformRotate (self. defaultTransform, CGFloat (M_PI)} // MARK: Private value & func & system method. private var defaultTransform: CGAffineTransform! Override init (frame: CGRect) {super. init (frame: frame) defaultTransform = self. transform} required init? (Coder aDecoder: NSCoder) {fatalError ("init (coder :) has not been implemented ")}}