coreAnimation核心动画(一)CABasicAnimation

  1 //
  2 //  ViewController.m
  3 //  coreAnimation
  4 //
  5 //  Created by ys on 15/11/21.
  6 //  Copyright (c) 2015年 ys. All rights reserved.
  7 //
  8 
  9 #import "ViewController.h"
 10 
 11 @interface ViewController ()
 12 @property (nonatomic,strong)CALayer *layer;
 13 @end
 14 
 15 @implementation ViewController
 16 
 17 - (void)viewDidLoad
 18 {
 19     [super viewDidLoad];
 20     
 21     CALayer *layer = [CALayer layer];
 22     layer.position = CGPointMake(100, 100);
 23     layer.bounds = CGRectMake(0, 0, 100, 100);
 24     layer.backgroundColor = [UIColor redColor].CGColor;
 25     [self.view.layer addSublayer:layer];
 26     self.layer = layer;
 27 }
 28 
 29 - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
 30 {
 31 //    [self testTranslate];
 32 //    [self testRotate];
 33 //    [self testScale];
 34     [self testTransform];
 35 }
 36 
 37 - (void)testTransform
 38 {
 39     // 1.创建动画对象
 40     CABasicAnimation *anim = [CABasicAnimation animation];
 41     
 42     // 2.设置动画对象
 43     // keyPath决定了执行怎样的动画, 调整哪个属性来执行动画
 44     //    anim.keyPath = @"transform.rotation";
 45     //    anim.keyPath = @"transform.scale.x";
 46     anim.keyPath = @"transform.translation.x";
 47     anim.toValue = @(100);
 48     //    anim.toValue = [NSValue valueWithCGPoint:CGPointMake(100, 100)];
 49     anim.duration = 2.0;
 50     
 51     anim.removedOnCompletion = NO;
 52     anim.fillMode = kCAFillModeForwards;
 53     
 54     // 3.添加动画
 55     [self.layer addAnimation:anim forKey:nil];
 56 }
 57 
 58 - (void)testRotate
 59 {
 60     // 1.创建动画对象
 61     CABasicAnimation *anim = [CABasicAnimation animation];
 62     
 63     // 2.设置动画对象
 64     // keyPath决定了执行怎样的动画, 调整哪个属性来执行动画
 65     anim.keyPath = @"transform";
 66     //    anim.fromValue = [NSValue valueWithCGPoint:CGPointMake(0, 0)];
 67     anim.toValue = [NSValue valueWithCATransform3D:CATransform3DMakeRotation(M_PI, 1, -1, 0)];
 68     anim.duration = 2.0;
 69     
 70     anim.removedOnCompletion = NO;
 71     anim.fillMode = kCAFillModeForwards;
 72     
 73     // 3.添加动画
 74     [self.layer addAnimation:anim forKey:nil];
 75 }
 76 
 77 - (void)testScale
 78 {
 79     // 1.创建动画对象
 80     CABasicAnimation *anim = [CABasicAnimation animation];
 81     
 82     // 2.设置动画对象
 83     // keyPath决定了执行怎样的动画, 调整哪个属性来执行动画
 84     anim.keyPath = @"bounds";
 85     //    anim.fromValue = [NSValue valueWithCGPoint:CGPointMake(0, 0)];
 86     anim.toValue = [NSValue valueWithCGRect:CGRectMake(0, 0, 200, 200)];
 87     anim.duration = 2.0;
 88     
 89     /**让图层保持动画执行完毕后的状态**/
 90     // 动画执行完毕后不要删除动画
 91     anim.removedOnCompletion = NO;
 92     // 保持最新的状态
 93     anim.fillMode = kCAFillModeForwards;
 94     
 95     // 3.添加动画
 96     [self.layer addAnimation:anim forKey:nil];
 97 }
 98 
 99 
100 - (void)testTranslate
101 {
102     // 1.创建动画对象
103     CABasicAnimation *anim = [CABasicAnimation animation];
104     
105     // 2.设置动画对象
106     // keyPath决定了执行怎样的动画, 调整哪个属性来执行动画
107     anim.keyPath = @"position";
108     //    anim.fromValue = [NSValue valueWithCGPoint:CGPointMake(0, 0)];
109     // toValue : 最终变成什么值
110     // byValue : 增加多少值
111     anim.byValue = [NSValue valueWithCGPoint:CGPointMake(200, 300)];
112     anim.duration = 2.0;
113     
114     /**让图层保持动画执行完毕后的状态**/
115     // 动画执行完毕后不要删除动画
116     anim.removedOnCompletion = NO;
117     // 保持最新的状态
118     anim.fillMode = kCAFillModeForwards;
119     
120     // 3.添加动画
121     [self.layer addAnimation:anim forKey:nil];
122 }
123 
124 
125 
126 @end