iOS开发音乐播放旋转效果

#import "ViewController.h"

@interface ViewController ()

@property (nonatomic,strong) UIImageView *imageView;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self.view addSubview:self.imageView];
}

- (UIImageView *)imageView {
    if (!_imageView) {
        _imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 200, 200)];
        _imageView.layer.cornerRadius = 100;
        _imageView.layer.masksToBounds = YES;
        _imageView.center = self.view.center;
        _imageView.image = [UIImage imageNamed:@"zrx4.jpg"];
        CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
        animation.duration = 10;
        animation.fromValue = [NSNumber numberWithFloat:0.f];
        animation.toValue = [NSNumber numberWithFloat: M_PI *2];
        animation.autoreverses = NO;
        animation.fillMode = kCAFillModeForwards;
        animation.repeatCount = MAXFLOAT;
        [_imageView.layer addAnimation:animation forKey:nil];
    }
    return _imageView;
}

@end

#import "ViewController.h"

@interface ViewController ()

@property (nonatomic,strong) UIImageView *imageView;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self.view addSubview:self.imageView];
    
    //        [self setUpAlphaAnimation];///闪烁效果
    
    //        [self setUpSharkAnimation];///单摆效果
    
    //        [self setUpCAKeyframeAnimationUseValues];///边缘跑圈效果
    
    //        [self setUpCAKeyframeAnimationUsePath];///矩形线路
    
    //        [self setUpCAKeyframeAnimationUsekeyTimes];///左右挪动效果
    
    [self setUpAnimationGroup];///旋转缩放动画组效果
}

- (UIImageView *)imageView {
    if (!_imageView) {
        _imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 200, 200)];
        _imageView.layer.cornerRadius = 100;
        _imageView.layer.masksToBounds = YES;
        _imageView.center = self.view.center;
        _imageView.image = [UIImage imageNamed:@"zrx4.jpg"];
    }
    return _imageView;
}

///闪烁效果
- (void)setUpAlphaAnimation {
    CABasicAnimation *animation =[CABasicAnimation animationWithKeyPath:@"opacity"];
    animation.fromValue = [NSNumber numberWithFloat:1.0f];
    animation.toValue = [NSNumber numberWithFloat:0.0f];
    animation.autoreverses = YES;//回退动画（动画可逆，即循环）
    animation.duration = 1.0f;
    animation.repeatCount = MAXFLOAT;
    animation.removedOnCompletion = NO;
    animation.fillMode = kCAFillModeForwards;//removedOnCompletion,fillMode配合使用保持动画完成效果
    animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
    [self.imageView.layer addAnimation:animation forKey:@"alpha"];
}

///单摆效果
- (void)setUpSharkAnimation {
    //设置旋转原点
    self.imageView.layer.anchorPoint = CGPointMake(0.5, 0);
    CABasicAnimation *rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
    //角度转弧度（这里用1，-1简单处理一下）
    rotationAnimation.toValue = [NSNumber numberWithFloat:1];
    rotationAnimation.fromValue = [NSNumber numberWithFloat:-1];
    rotationAnimation.duration = 1.0f;
    rotationAnimation.repeatCount = MAXFLOAT;
    rotationAnimation.removedOnCompletion = NO;
    rotationAnimation.autoreverses = YES;
    rotationAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
    rotationAnimation.fillMode = kCAFillModeForwards;
    [self.imageView.layer addAnimation:rotationAnimation forKey:@"shark"];
}

///边缘跑圈效果
- (void)setUpCAKeyframeAnimationUseValues {
    CAKeyframeAnimation *animation = [CAKeyframeAnimation animation];
    animation.keyPath = @"position";
    NSValue *value1 = [NSValue valueWithCGPoint:CGPointMake(50, 50)];
    NSValue *value2 = [NSValue valueWithCGPoint:CGPointMake([UIScreen mainScreen].bounds.size.width - 50, 50)];
    NSValue *value3 = [NSValue valueWithCGPoint:CGPointMake([UIScreen mainScreen].bounds.size.width - 50, [UIScreen mainScreen].bounds.size.height-50)];
    NSValue *value4 = [NSValue valueWithCGPoint:CGPointMake(50, [UIScreen mainScreen].bounds.size.height-50)];
    NSValue *value5 = [NSValue valueWithCGPoint:CGPointMake(50, 50)];
    animation.values = @[value1,value2,value3,value4,value5];
    animation.repeatCount = MAXFLOAT;
    animation.removedOnCompletion = NO;
    animation.fillMode = kCAFillModeForwards;
    animation.duration = 6.0f;
    animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
    [self.imageView.layer addAnimation:animation forKey:@"values"];
}

///矩形线路
- (void)setUpCAKeyframeAnimationUsePath {
    CAKeyframeAnimation *animation = [CAKeyframeAnimation animation];
    animation.keyPath = @"position";
    CGMutablePathRef path = CGPathCreateMutable();
    //矩形线路
    CGPathAddRect(path, NULL, CGRectMake(50,50, [UIScreen mainScreen].bounds.size.width - 100,[UIScreen mainScreen].bounds.size.height - 100));
    animation.path = path;
    CGPathRelease(path);
    animation.repeatCount = MAXFLOAT;
    animation.removedOnCompletion = NO;
    animation.fillMode = kCAFillModeForwards;
    animation.duration = 6.0f;
    animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
    [self.imageView.layer addAnimation:animation forKey:@"path"];
}

///左右挪动效果
- (void)setUpCAKeyframeAnimationUsekeyTimes {
    CAKeyframeAnimation *animation = [CAKeyframeAnimation animation];
    animation.keyPath = @"position.x";
    animation.values = @[@0, @20, @-20, @20, @0];
    animation.keyTimes = @[ @0, @(1 / 6.0), @(3 / 6.0), @(5 / 6.0), @1 ];
    animation.duration = 5;
    animation.additive = YES;
    [self.imageView.layer addAnimation:animation forKey:@"keyTimes"];
}

///旋转缩放动画组效果
- (void)setUpAnimationGroup {
    CABasicAnimation * animationScale = [CABasicAnimation animation];
    animationScale.keyPath = @"transform.scale";
    animationScale.toValue = @(0.1);
    
    CABasicAnimation *animationRota = [CABasicAnimation animation];
    animationRota.keyPath = @"transform.rotation";
    animationRota.toValue = @(M_PI_2);
    
    CAAnimationGroup * group = [[CAAnimationGroup alloc] init];
    group.duration = 3.0;
    group.fillMode = kCAFillModeForwards;
    group.removedOnCompletion = NO;
    group.repeatCount = MAXFLOAT;
    
    group.animations = @[animationScale,animationRota];
    [self.imageView.layer addAnimation:group forKey:nil];
}

@end