swift基础之UIAnimation 动画(手势 *** 作)

概述import UIKitclass ViewController: UIViewController { @IBOutlet weak var penguinView: UIImageView! var frames: NSArray? var dieCenter: CGPoint? override func viewDidLoad() {

import UIKitclass VIEwController: UIVIEwController {    @IBOutlet weak var penguinVIEw: UIImageVIEw!        var frames: NSArray?    var dIECenter: CGPoint?        overrIDe func vIEwDIDLoad() {        super.vIEwDIDLoad()        let image1 = UIImage(named:"penguin_walk01")!        let image2 = UIImage(named:"penguin_walk02")!        let image3 = UIImage(named:"penguin_walk03")!        let image4 = UIImage(named:"penguin_walk04")!                let frames: [UIImage] = [image1,image2,image3,image4]                penguinVIEw.animationDuration = 0.15;        penguinVIEw.animationRepeatCount = 2;        penguinVIEw.animationImages = frames;                //walk right        let swipeGestureRight = UISwipeGestureRecognizer(target: self,action: #selector(VIEwController.walkRight(_:)))        swipeGestureRight.direction = UISwipeGestureRecognizerDirection.Right        vIEw.addGestureRecognizer(swipeGestureRight)                //walk left        let swipeGestureleft = UISwipeGestureRecognizer(target: self,action: #selector(VIEwController.walkleft(_:)))        swipeGestureleft.direction = UISwipeGestureRecognizerDirection.left        vIEw.addGestureRecognizer(swipeGestureleft)                //jump        let tap = UITapGestureRecognizer(target: self,action: #selector(VIEwController.jump(_:)))        vIEw.addGestureRecognizer(tap)                //longPress        let longPress = UILongPressGestureRecognizer(target: self,action: #selector(VIEwController.longPress(_:)))        vIEw.addGestureRecognizer(longPress)    }    overrIDe func dIDReceiveMemoryWarning() {        super.dIDReceiveMemoryWarning()    }func walkleft(send: UIGestureRecognizer) {    print("walk left");    //CHECK IF OUT OF SCREEN    if (penguinVIEw.center.x < 0.0) {        penguinVIEw.center = CGPointMake(vIEw.frame.size.wIDth,penguinVIEw.center.y);    }        //FliP AROUND FOR WALKING left    self.penguinVIEw.@R_403_4154@ = CGAffine@R_403_4154@MakeScale(-1.0,1.0);        //START WALK ANIMATION    penguinVIEw.startAnimating()        //MOVE THE IMAGE VIEW TO left    UIVIEw.animateWithDuration(0.6,animations: { () -> VoID in        self.penguinVIEw.center = CGPointMake(self.penguinVIEw.center.x - 30,self.penguinVIEw.center.y);    })}func walkRight(send: UIGestureRecognizer) {    print("walk right");    if (self.penguinVIEw.center.x > self.vIEw.frame.size.wIDth) {        self.penguinVIEw.center = CGPointMake(0,self.penguinVIEw.center.y);    }                self.penguinVIEw.@R_403_4154@ = CGAffine@R_403_4154@IDentity;    penguinVIEw.startAnimating()    UIVIEw.animateWithDuration(0.6,animations: { () -> VoID in        self.penguinVIEw.center = CGPointMake(self.penguinVIEw.center.x + 30,self.penguinVIEw.center.y)    })}func jump(send: UIGestureRecognizer) {    penguinVIEw.startAnimating()        UIVIEw.animateWithDuration(0.25,animations: { () -> VoID in        self.penguinVIEw.center = CGPointMake(self.penguinVIEw.center.x,self.penguinVIEw.center.y - 50)    },completion: { (finished: Bool) -> VoID in        self.jumpBack()    })}    func jumpBack() {    UIVIEw.animateWithDuration(0.25,animations: { () -> VoID in    self.penguinVIEw.center = CGPointMake(self.penguinVIEw.center.x,self.penguinVIEw.center.y + 50)    })}func longPress(send: UIGestureRecognizer) {    UIVIEw.animateWithDuration(0.33,animations: { () -> VoID in        self.dIECenter = self.penguinVIEw.center        self.penguinVIEw.center = CGPointMake(self.penguinVIEw.center.x,self.vIEw.frame.size.height)    },completion: { (finished: Bool) -> VoID in         self.longPressBack()    })}func longPressBack() {    UIVIEw.animateWithDuration(0.25,animations: { () -> VoID in        self.penguinVIEw.center = self.dIECenter!    })}}

要准备四张图片

运行结果界面

当点击时会跳跃,当向右滑动会向右走,左划想左走

总结

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