iOS简单动画效果：闪烁、移动、旋转、路径、组合

1. #define kDegreesToRadian(x) (M_PI * (x) / 180.0)  
2.    
3. #define kRadianToDegrees(radian) (radian*180.0)/(M_PI)  
4.    
5. - (void)viewDidLoad  
6. {  
7.     [superviewDidLoad];  
8.     self.title = @"测试动画";  
9.     self.view.backgroundColor = [UIColorlightGrayColor];  
10.       
11.       
12.     myTest1 = [[UILabelalloc]initWithFrame:CGRectMake(10, 100, 60, 40)];  
13.     myTest1.backgroundColor = [UIColorblueColor];  
14.     myTest1.textAlignment = NSTextAlignmentCenter;  
15.     myTest1.text = @"张明炜";  
16.     myTest1.textColor = [UIColorwhiteColor];  
17.     [self.viewaddSubview:myTest1];  
18.       
19.       //闪烁效果。  
20. //    [myTest1.layer addAnimation:[self opacityForever_Animation:0.5] forKey:nil];  
21.       ///移动的动画。  
22. //    [myTest1.layer addAnimation:[self moveX:1.0f X:[NSNumber numberWithFloat:200.0f]] forKey:nil];  
23.     //缩放效果。  
24. //    [myTest1.layer addAnimation:[self scale:[NSNumber numberWithFloat:1.0f] orgin:[NSNumber numberWithFloat:3.0f] durTimes:2.0f Rep:MAXFLOAT] forKey:nil];  
25.      //组合动画。  
26. //    NSArray *myArray = [NSArray arrayWithObjects:[self opacityForever_Animation:0.5],[self moveX:1.0f X:[NSNumber numberWithFloat:200.0f]],[self scale:[NSNumber numberWithFloat:1.0f] orgin:[NSNumber numberWithFloat:3.0f] durTimes:2.0f Rep:MAXFLOAT], nil];  
27. //    [myTest1.layer addAnimation:[self groupAnimation:myArray durTimes:3.0f Rep:MAXFLOAT] forKey:nil];  
28.     //路径动画。  
29. //    CGMutablePathRef myPah = CGPathCreateMutable();  
30. //    CGPathMoveToPoint(myPah, nil,30, 77);  
31. //    CGPathAddCurveToPoint(myPah, nil, 50, 50, 60, 200, 200, 200);//这里的是控制点。  
32. //    [myTest1.layer addAnimation:[self keyframeAnimation:myPah durTimes:5 Rep:MAXFLOAT] forKey:nil];  
33.     //旋转动画。  
34.     [myTest1.layeraddAnimation:[selfrotation:2degree:kRadianToDegrees(90) direction:1repeatCount:MAXFLOAT] forKey:nil];  
35.       
36.       
37. }  
38.    
39. #pragma mark === 永久闪烁的动画 ======  
40. -(CABasicAnimation *)opacityForever_Animation:(float)time  
41. {  
42.     CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"opacity"];//必须写opacity才行。  
43.     animation.fromValue = [NSNumber numberWithFloat:1.0f];  
44.     animation.toValue = [NSNumber numberWithFloat:0.0f];//这是透明度。  
45.     animation.autoreverses = YES;  
46.     animation.duration = time;  
47.     animation.repeatCount = MAXFLOAT;  
48.     animation.removedOnCompletion = NO;  
49.     animation.fillMode = kCAFillModeForwards;  
50.      animation.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];///没有的话是均匀的动画。  
51.     return animation;  
52. }  
53.    
54. #pragma mark =====横向、纵向移动===========  
55. -(CABasicAnimation *)moveX:(float)time X:(NSNumber *)x  
56. {  
57.     CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.translation.x"];///.y的话就向下移动。  
58.     animation.toValue = x;  
59.     animation.duration = time;  
60.     animation.removedOnCompletion = NO;//yes的话，又返回原位置了。  
61.     animation.repeatCount = MAXFLOAT;  
62.     animation.fillMode = kCAFillModeForwards;  
63.     return animation;  
64. }  
65.    
66. #pragma mark =====缩放-=============  
67. -(CABasicAnimation *)scale:(NSNumber *)Multiple orgin:(NSNumber *)orginMultiple durTimes:(float)time Rep:(float)repertTimes  
68. {  
69.     CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.scale"];  
70.     animation.fromValue = Multiple;  
71.     animation.toValue = orginMultiple;  
72.     animation.autoreverses = YES;  
73.     animation.repeatCount = repertTimes;  
74.     animation.duration = time;//不设置时候的话，有一个默认的缩放时间.  
75.     animation.removedOnCompletion = NO;  
76.     animation.fillMode = kCAFillModeForwards;  
77.     return  animation;  
78. }  
79.    
80. #pragma mark =====组合动画-=============  
81. -(CAAnimationGroup *)groupAnimation:(NSArray *)animationAry durTimes:(float)time Rep:(float)repeatTimes  
82. {  
83.     CAAnimationGroup *animation = [CAAnimationGroupanimation];  
84.     animation.animations = animationAry;  
85.     animation.duration = time;  
86.     animation.removedOnCompletion = NO;  
87.     animation.repeatCount = repeatTimes;  
88.     animation.fillMode = kCAFillModeForwards;  
89.     return animation;  
90. }  
91.    
92. #pragma mark =====路径动画-=============  
93. -(CAKeyframeAnimation *)keyframeAnimation:(CGMutablePathRef)path durTimes:(float)time Rep:(float)repeatTimes  
94. {  
95.     CAKeyframeAnimation *animation = [CAKeyframeAnimation animationWithKeyPath:@"position"];  
96.     animation.path = path;  
97.     animation.removedOnCompletion = NO;  
98.     animation.fillMode = kCAFillModeForwards;  
99.     animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];  
100.     animation.autoreverses = NO;  
101.     animation.duration = time;  
102.     animation.repeatCount = repeatTimes;  
103.     return animation;  
104. }  
105.    
106. #pragma mark ====旋转动画======  
107. -(CABasicAnimation *)rotation:(float)dur degree:(float)degree direction:(int)direction repeatCount:(int)repeatCount  
108. {  
109.     CATransform3D rotationTransform = CATransform3DMakeRotation(degree, 0, 0, direction);  
110.     CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform"];  
111.     animation.toValue = [NSValue valueWithCATransform3D:rotationTransform];  
112.     animation.duration  =  dur;  
113.     animation.autoreverses = NO;  
114.     animation.cumulative = NO;  
115.     animation.fillMode = kCAFillModeForwards;  
116.     animation.repeatCount = repeatCount;  
117.     animation.delegate = self;  
118.    
119.     return animation;  
120.    
121. }