layer动画放大缩小

删除layer动画

[self.animationView.layer.mask removeFromSuperlayer];
[self.animationView.layer removeAllAnimations];

//上效果
下代码

渐变消失.gif

CABasicAnimation *animation = [CABasicAnimation animation];
        animation.delegate = self;
        [animation setDuration:2.0];
        animation.keyPath = @"opacity";
        animation.toValue = @(0);
        animation.removedOnCompletion = NO;
        animation.fillMode = kCAFillModeForwards;
        [self.animationView.layer addAnimation:animation forKey:nil];

渐变放大消失.gif

CAAnimationGroup *groupAnimation = [CAAnimationGroup animation];
        groupAnimation.delegate = self;
        [groupAnimation setDuration:2.0];
        
        CABasicAnimation *fadeAnimation = [CABasicAnimation animation];
        fadeAnimation.keyPath = @"opacity";
        fadeAnimation.toValue = @(0);
        
        CABasicAnimation *zoomInAnimation = [CABasicAnimation animation];
        zoomInAnimation.keyPath = @"transform.scale";
        zoomInAnimation.toValue = @(2.0);
        
        groupAnimation.animations = @[fadeAnimation,zoomInAnimation];
        
        groupAnimation.removedOnCompletion = NO;
        groupAnimation.fillMode = kCAFillModeForwards;
        
        [self.animationView.layer addAnimation:groupAnimation forKey:nil];

点圆放大消失.gif

CGSize screenSize = [UIScreen mainScreen].bounds.size;
        
        CAShapeLayer *maskLayer = [CAShapeLayer layer];
        self.animationView.layer.mask = maskLayer;
        
        CABasicAnimation *maskLayerAnimation = [CABasicAnimation animationWithKeyPath:@"path"];
        [maskLayerAnimation setDuration:2.0];
        maskLayerAnimation.delegate = self;
        
        UIBezierPath *beginPath = [UIBezierPath bezierPathWithRect:self.view.bounds];
        UIBezierPath *beginCirclePath = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:1 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        [beginPath appendPath:beginCirclePath];
        maskLayerAnimation.fromValue = (__bridge id)(beginPath.CGPath);
        
        UIBezierPath *endPath = [UIBezierPath bezierPathWithRect:self.view.bounds];
        UIBezierPath *endCirclePath = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:hypot(screenSize.height, screenSize.width)/2 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        [endPath appendPath:endCirclePath];
        maskLayerAnimation.toValue = (__bridge id)((endPath.CGPath));
        
        maskLayerAnimation.timingFunction = [CAMediaTimingFunction  functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
        
        maskLayerAnimation.removedOnCompletion = NO;
        maskLayerAnimation.fillMode = kCAFillModeForwards;
        
        [maskLayer addAnimation:maskLayerAnimation forKey:nil];

小圆画圆放大消失.gif

CAShapeLayer *maskLayer = [CAShapeLayer layer];
        self.animationView.layer.mask = maskLayer;
        
        CGSize screenSize = [UIScreen mainScreen].bounds.size;
        
        CAKeyframeAnimation *keyFrameAnimation = [CAKeyframeAnimation animationWithKeyPath:@"path"];
        [keyFrameAnimation setDuration:2.0];
        keyFrameAnimation.delegate = self;
        
        UIBezierPath *pathOne = [UIBezierPath bezierPathWithRect:self.view.bounds];
        UIBezierPath *pathOneCircle = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:1.0 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        [pathOne appendPath:pathOneCircle];
        
        UIBezierPath *pathTwo = [UIBezierPath bezierPathWithRect:self.view.bounds];
        UIBezierPath *pathTwoCircle = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:100 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        [pathTwo appendPath:pathTwoCircle];
        
        UIBezierPath *pathThree = [UIBezierPath bezierPathWithRect:self.view.bounds];
        UIBezierPath *pathThreeCircle = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:50 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        [pathThree appendPath:pathThreeCircle];
        
        UIBezierPath *pathFour = [UIBezierPath bezierPathWithRect:self.view.bounds];
        UIBezierPath *pathFourCircle = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:hypot(screenSize.height, screenSize.width)/2 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        [pathFour appendPath:pathFourCircle];
        
        keyFrameAnimation.values = @[(__bridge id)(pathOne.CGPath),(__bridge id)(pathTwo.CGPath),(__bridge id)(pathThree.CGPath),(__bridge id)(pathFour.CGPath)];
        //            keyFrameAnimation.keyTimes = @[@(0),@(0.3),@(0.6),@(1)];
        
        
        keyFrameAnimation.removedOnCompletion = NO;
        keyFrameAnimation.fillMode = kCAFillModeForwards;
        
        [maskLayer addAnimation:keyFrameAnimation forKey:nil];

缩小变成小圆消失.gif

CAShapeLayer *maskLayer = [CAShapeLayer layer];
        self.animationView.layer.mask = maskLayer;
        
        CGSize screenSize = [UIScreen mainScreen].bounds.size;
        
        CAKeyframeAnimation *keyFrameAnimation = [CAKeyframeAnimation animationWithKeyPath:@"path"];
        [keyFrameAnimation setDuration:2.0];
        keyFrameAnimation.delegate = self;
        
        UIBezierPath *pathOne = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:hypot(screenSize.height, screenSize.width)/2 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        
        UIBezierPath *pathTwo = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:screenSize.width/2*0.5 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        
        UIBezierPath *pathThree = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:screenSize.width/2*0.7 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        
        UIBezierPath *pathFour = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:1 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        
        keyFrameAnimation.values = @[(__bridge id)(pathOne.CGPath),(__bridge id)(pathTwo.CGPath),(__bridge id)(pathThree.CGPath),(__bridge id)(pathFour.CGPath)];
        keyFrameAnimation.keyTimes = @[@(0),@(0.5),@(0.9),@(1)];
        
        keyFrameAnimation.removedOnCompletion = NO;
        keyFrameAnimation.fillMode = kCAFillModeForwards;
        
        [maskLayer addAnimation:keyFrameAnimation forKey:nil];

圆缩小消失.gif

CAShapeLayer *maskLayer = [CAShapeLayer layer];
        self.animationView.layer.mask = maskLayer;
        
        CGSize screenSize = [UIScreen mainScreen].bounds.size;
        
        CABasicAnimation *maskLayerAnimation = [CABasicAnimation animationWithKeyPath:@"path"];
        [maskLayerAnimation setDuration:2.0];
        maskLayerAnimation.delegate = self;
        
        UIBezierPath *beginPath = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:hypot(screenSize.height, screenSize.width)/2 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        
        UIBezierPath *endPath = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.view.center.x, self.view.center.y) radius:1 startAngle:0 endAngle:2 * M_PI clockwise:NO];
        
        maskLayerAnimation.fromValue = (__bridge id)(beginPath.CGPath);
        maskLayerAnimation.toValue = (__bridge id)(endPath.CGPath);
        
        maskLayerAnimation.removedOnCompletion = NO;
        maskLayerAnimation.fillMode = kCAFillModeForwards;
        
        [maskLayer addAnimation:maskLayerAnimation forKey:nil];

layer动画放大缩小

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