CALayer

#import "ViewController.h"

@interface ViewController ()
@property (weak, nonatomic) IBOutlet UIImageView *imageView;
@property (weak, nonatomic) IBOutlet UIView *uiview;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
#pragma mark - layer层的一些常用属性
    //将视图设置为圆角
    self.imageView.layer.cornerRadius = 10;
    //注意:只设置上边一个属性是实现不了圆角效果的,还需要设置如下属性(这个属性也影响阴影的效果)
//    self.imageView.layer.masksToBounds = YES;
    //设置阴影
    self.imageView.layer.shadowOffset = CGSizeMake(-20, 10);
    //设置颜色
    self.imageView.layer.shadowColor = [UIColor redColor].CGColor;
    //设置透明度
    self.imageView.layer.shadowOpacity = 1.0;
    //阴影的模糊度
    self.imageView.layer.shadowRadius = 10;
    
    
//    self.uiview.layer.cornerRadius = 10;
//   // self.uiview.layer.masksToBounds = YES;
//    
//    self.uiview.layer.shadowOffset = CGSizeMake(10, 10);
//    
//    self.uiview.layer.shadowColor = [UIColor magentaColor].CGColor;
//    
//    self.uiview.layer.shadowOpacity = 1.0;
    
    
    
#pragma mark - 自定义layer
   // [self customLayer];
}
#pragma mark - CABasicAnimation按钮的响应方法
- (IBAction)CABasicAnimation:(UIButton *)sender {
    //1.创建动画对象
    CABasicAnimation *basicAnimation = [CABasicAnimation animation];
    //2.告诉系统需要执行什么样的动画,字符串不能随便给,必须是CALayer类中的一个属性
    basicAnimation.keyPath = @"position";
    //3.告诉动画从哪里开始到哪里
    basicAnimation.fromValue = [NSValue valueWithCGPoint:CGPointMake(100, 100)];
    basicAnimation.toValue = [NSValue valueWithCGPoint:CGPointMake(300, 300)];
#warning 如果不想让控件回到原来的位置,需要设置一下两个属性
    basicAnimation.removedOnCompletion = NO;
    //保存动画最新转态的属性
    basicAnimation.fillMode = kCAFillModeForwards;
    
    //4.动画的延续时间
    basicAnimation.duration = 3.0;
    //5.对控件的layer层添加动画
    [self.imageView.layer addAnimation:basicAnimation forKey:@"basic"];
    
    /******************实现翻转效果*****************/
    CABasicAnimation *basic = [CABasicAnimation animation];
    basic.keyPath = @"transform";
    basic.duration = 3.0;
    //翻转的一个角度设置,第一个是角度,后边三个是以哪个轴旋转
    basic.toValue = [NSValue valueWithCATransform3D:CATransform3DMakeRotation(M_2_PI, 1, 0, 0)];
    [self.imageView.layer addAnimation:basic forKey:@"basic1"];
    
    //移除不需要的动画,根据上面给的关键字移除
    [self.imageView.layer removeAnimationForKey:@"basic"];
}
#pragma mark - 帧动画
- (IBAction)CAkeyframeAnimation:(UIButton *)sender {
    //1.需要动画的对象
    CAKeyframeAnimation *keyFrameAnimation = [CAKeyframeAnimation animation];
    //2.设置动画轨迹,transform点后边的内容根据
    keyFrameAnimation.keyPath = @"transform.rotation";
    //3.设置要翻转的角度[计算弧度的公式:度数/180 * M_PI],下面的方法相当于上面的fromValue,toValue
    keyFrameAnimation.values = @[@(-45/180.0*M_PI),@(45/180.0*M_PI)];
    keyFrameAnimation.repeatCount = 1;
    //4.设置动画时长
    keyFrameAnimation.duration = 3;
    //5.添加到layer层上
    [self.imageView.layer addAnimation:keyFrameAnimation forKey:@"keyFrame"];
    
}

-(void)customLayer{
    //创建layer的一个对象
    CALayer *myLayer = [CALayer layer];
    //设置相关的位置和大小
    myLayer.bounds = CGRectMake(0, 0, 100, 100);
    //设置背景颜色
    myLayer.backgroundColor = [UIColor redColor].CGColor;
    //设置一个锚点
    myLayer.anchorPoint = CGPointMake(0, 0);
    //设置锚点的位置
    myLayer.position = CGPointMake(100, 100);
    //添加到父视图的layer
    [self.view.layer addSublayer:myLayer];

}
- (IBAction)animationGroup:(UIButton *)sender {
    //平移动画
    CABasicAnimation *basc1 = [CABasicAnimation animation];
    basc1.keyPath = @"transform.translation.y";
    basc1.toValue = @(400);
    
    //翻转动画(缩放)
    CABasicAnimation *basc2 = [CABasicAnimation animation];
    basc2.keyPath = @"transform.scale";
    basc2.toValue = @(0.2);
    
    //旋转动画
    CABasicAnimation *basic3 = [CABasicAnimation animation];
    basic3.keyPath = @"transform.rotation";
    basic3.toValue = @(M_PI_2);
    
    //需要创建存放以上三种动画的动画组
    CAAnimationGroup *animationGroup = [CAAnimationGroup animation];
    
    animationGroup.animations = @[basc1,basc2,basic3];
    
    animationGroup.duration = 3.0;
    
    [self.imageView.layer addAnimation:animationGroup forKey:@"animationGroup"];
}
#pragma mark - CATransition动画
- (IBAction)translationAnimation:(UIButton *)sender {
    //创建动画对象
    CATransition *transition = [CATransition animation];
    transition.type = @"cube";
    transition.subtype =  kCATransitionFade;
    transition.duration = 1;
    [self.imageView.layer addAnimation:transition forKey:@"transition"];
}
#pragma spring

- (IBAction)spring:(UIButton *)sender {
    //创建动画对象
    CASpringAnimation *spring = [CASpringAnimation animation];
    spring.keyPath = @"transform.scale";
    spring.fromValue = @1;
    spring.toValue = @0.75;
    spring.duration = 3;
    [self.imageView.layer addAnimation:spring forKey:@"spring"];
    
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end