CABasicAnimation-04-核心动画-day4
// // ViewController.m // 04-CABasicAnimation // // Created by mac on 16/4/18. // Copyright © 2016年 mac. All rights reserved. // #import "ViewController.h" @interface ViewController () @property (weak, nonatomic) IBOutlet UIImageView *imageView; @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // [self createBasicAnimation]; } - (void)createBasicAnimation { UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 50, 50)]; view.backgroundColor = [UIColor cyanColor]; [self.view addSubview:view]; //1. 初始化动画对象 : keyPath是在动画过程中,需要改变的值 CABasicAnimation *basicAnim = [CABasicAnimation animationWithKeyPath:@"position"]; //2. 设置属性改变的值 basicAnim.fromValue = [NSValue valueWithCGPoint:CGPointZero]; basicAnim.toValue = [NSValue valueWithCGPoint:CGPointMake(200, 200)]; //3. 持续时间 basicAnim.duration = 1; //4. 将动画添加到图层上 [view.layer addAnimation:basicAnim forKey:@"basic"]; } - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { // [self transitionAnimation]; [self scaleAnimation]; } - (void)transitionAnimation { //1. 初始化动画对象 : keyPath是在动画过程中,需要改变的值 CABasicAnimation *basicAnim = [CABasicAnimation animationWithKeyPath:@"position"]; //2. 设置属性改变的值 basicAnim.fromValue = [NSValue valueWithCGPoint:CGPointZero]; basicAnim.toValue = [NSValue valueWithCGPoint:CGPointMake(200, 200)]; basicAnim.byValue = [NSValue valueWithCGPoint:CGPointMake(100, 400)]; //3. 持续时间 basicAnim.duration = 1; //4. 将动画添加到图层上 [self.imageView.layer addAnimation:basicAnim forKey:@"basic"]; } - (void)scaleAnimation { CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"transform.scale"]; basic.fromValue = @1; basic.toValue = @5; basic.duration = 1.0f; //开启动画回放 basic.autoreverses = YES; [self.imageView.layer addAnimation:basic forKey:@"scaleAnimation"]; } @end
1 /** 2 * 缩放 3 */ 4 - (void)scaleAnimation { 5 6 CABasicAnimation *basic = [CABasicAnimation animationWithKeyPath:@"transform.scale"]; 7 8 basic.fromValue = @1; 9 basic.toValue = @5; 10 11 basic.duration = 1.0f; 12 13 //开启动画回放 14 basic.autoreverses = YES; 15 16 basic.repeatCount = 3; 17 basic.repeatDuration = 6; 18 basic.beginTime = CACurrentMediaTime() + 3; 19 20 /* kCAFillModeForwards //在动画结束播放之后,将图层保留结束为止 21 kCAFillModeBackwards //在动画没开始之前,将图层保留在起点位置 22 kCAFillModeBoth //上面两者集合 23 kCAFillModeRemoved //动画结束之后,移除动画效果,图层返回最初状态 24 */ 25 basic.removedOnCompletion = YES; 26 basic.fillMode = kCAFillModeBoth; 27 28 [self.imageView.layer addAnimation:basic forKey:@"scaleAnimation"]; 29 }
时光见证了成长,还很无知,我想一点点幼稚转为有知!