#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)scaleAndOpcatityAnim{

    CAShapeLayer *sharLayer = [CAShapeLayer layer];

    sharLayer.backgroundColor = [UIColor redColor].CGColor;

    sharLayer.bounds = CGRectMake(, , , );

    sharLayer.position = CGPointMake(kWidth/, );

    sharLayer.cornerRadius = ;

    //    CABasicAnimation *scaleAnimation = [CABasicAnimation animationWithKeyPath:@"transform.scale"];

    //    scaleAnimation.toValue = @10;

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

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

    scaleAnimation.duration = ;

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

    opacityAnimation.fromValue = @;

    opacityAnimation.toValue = @;

    opacityAnimation.duration = ;

    CAAnimationGroup *group = [CAAnimationGroup animation];

    group.animations = @[scaleAnimation,opacityAnimation];

    group.duration = ;

    group.repeatCount = HUGE;

    [sharLayer addAnimation:group forKey:nil];

    CAReplicatorLayer *replayer = [CAReplicatorLayer layer];

    replayer.instanceDelay = 0.5;

    replayer.instanceCount = ;

    [replayer addSublayer:sharLayer];

    [self.view.layer addSublayer:replayer];

}