#import <QuartzCore/CALayer.h>

NS_ASSUME_NONNULL_BEGIN

CA_CLASS_AVAILABLE (10.6, 3.0, 9.0, 2.0)

@interface CAReplicatorLayer : CALayer

//指定图层重复制多少次

@property NSInteger instanceCount;

//设置为YES,图层将保持于CATransformLayer类似的性质和相同的限制

@property BOOL preservesDepth;

//复制延时，一般用在动画上

@property CFTimeInterval instanceDelay;

//3D变换

@property CATransform3D instanceTransform;

//设置多个复制图层的颜色,默认位白色

@property(nullable) CGColorRef instanceColor;

//设置每个复制图层相对上一个复制图层的红色、绿色、蓝色、透明度偏移量

@property float instanceRedOffset;

@property float instanceGreenOffset;

@property float instanceBlueOffset;

@property float instanceAlphaOffset;

@end

NS_ASSUME_NONNULL_END

- (void)cirAction{

    CAShapeLayer *sharLayer = [CAShapeLayer layer];

    sharLayer.backgroundColor = [UIColor redColor].CGColor;

    sharLayer.bounds = CGRectMake(, , , );

    sharLayer.position = CGPointMake(CScreenWidth/, );

    sharLayer.cornerRadius = ;

    CABasicAnimation *ani = [CABasicAnimation animationWithKeyPath:@"transform"];

    ani.toValue = [NSValue valueWithCATransform3D:CATransform3DMakeScale(, , )];

    ani.duration = ;

    CABasicAnimation *ani1 = [CABasicAnimation animationWithKeyPath:@"opacity"];

    ani1.fromValue = @;

    ani1.toValue = @;

    ani1.duration = ;

    CAAnimationGroup *group = [CAAnimationGroup animation];

    group.animations = @[ani,ani1];

    group.duration = ;

    group.repeatCount = HUGE;

    [sharLayer addAnimation:group forKey:nil];

    CAReplicatorLayer *replayer  =[CAReplicatorLayer layer];

    [replayer addSublayer:sharLayer];

    replayer.instanceCount = ;

    replayer.instanceDelay = 0.5;

    [self.showView.layer addSublayer:replayer];

}

- (void)alphaAction{

    CAShapeLayer *shapeLayer = [CAShapeLayer layer];

    shapeLayer.backgroundColor = [UIColor redColor].CGColor;

    shapeLayer.bounds = CGRectMake(, , , );

    shapeLayer.position = CGPointMake(CScreenWidth/, );

    shapeLayer.borderColor = [UIColor whiteColor].CGColor;

    shapeLayer.cornerRadius = ;

    shapeLayer.borderWidth = ;

    shapeLayer.transform = CATransform3DMakeScale(., ., .);

    CABasicAnimation *ani = [CABasicAnimation animationWithKeyPath:@"transform"];

    ani.duration = ;

    ani.repeatCount = HUGE;

    ani.fromValue = [NSValue valueWithCATransform3D:CATransform3DMakeScale(, , )];

    ani.toValue = [NSValue valueWithCATransform3D:CATransform3DMakeScale(., ., .)];

    [shapeLayer addAnimation:ani forKey:nil];

    CAReplicatorLayer *repLayer = [CAReplicatorLayer layer];

    repLayer.frame = CGRectMake(, , CScreenWidth, );

    [repLayer addSublayer:shapeLayer];

    repLayer.instanceCount = ;

    repLayer.instanceDelay = .;

    repLayer.instanceTransform = CATransform3DMakeRotation(M_PI/, , , );

    repLayer.instanceAlphaOffset = -0.05;

    [self.showView.layer addSublayer:repLayer];

}