两种加载动效

image.png

- (void)animation1
{
    CAReplicatorLayer *layer = [[CAReplicatorLayer alloc] init];
    
    [layer setBounds:CGRectMake(0, 0, 160, 60)];
    [layer setPosition:self.view.center];
    [layer setBackgroundColor:[UIColor greenColor].CGColor];
    layer.instanceCount = 4;
    layer.instanceTransform = CATransform3DMakeTranslation(40.0, 0.0, 0.0);
    layer.instanceDelay = 0.33;
//    layer.masksToBounds = YES;
    [self.view.layer addSublayer:layer];
    
    CALayer *bar = [[CALayer alloc] init];
    [bar setBounds:CGRectMake(0, 0, 8, 40)];
    [bar setPosition:CGPointMake(10, 75)];  
    [bar setCornerRadius:2];
    [bar setBackgroundColor:[UIColor redColor].CGColor];
    [layer addSublayer:bar];
    
    CABasicAnimation *moveAnim = [CABasicAnimation animationWithKeyPath:@"position.y"];
    moveAnim.toValue = @(bar.position.y - 35.0);
    moveAnim.duration = 0.5;
    moveAnim.autoreverses = YES;
    moveAnim.repeatCount = MAXFLOAT;
    [bar addAnimation:moveAnim forKey:nil];
}

image.png

- (void)animation2
{
    CAReplicatorLayer *layer = [[CAReplicatorLayer alloc] init];
    
    [layer setBounds:CGRectMake(0, 0, 200, 200)];
    [layer setPosition:self.view.center];
    [layer setBackgroundColor:[UIColor colorWithWhite:0 alpha:0.75].CGColor];
    [layer setCornerRadius:10];
    layer.instanceColor = [UIColor redColor].CGColor;

//    layer.instanceCount = 3;
//    layer.instanceTransform = CATransform3DMakeTranslation(20.0, 0.0, 0.0);
//    layer.instanceDelay = 0.33;
    layer.masksToBounds = YES;
    [self.view.layer addSublayer:layer];
    
    CALayer *dot = [[CALayer alloc] init];
    
    dot.bounds =CGRectMake(0, 0, 14, 14) ;
    dot.position = CGPointMake(100, 40);
    dot.backgroundColor = [UIColor colorWithWhite:.8 alpha:1].CGColor;
    dot.borderColor = [UIColor colorWithWhite:1 alpha:1].CGColor;
    dot.cornerRadius = 7;
    
    [layer addSublayer:dot];
    
    NSInteger nrDots = 15;
    
    CFTimeInterval duration = 1.5;

    layer.instanceCount = nrDots;
    CGFloat angle = (CGFloat)(2*M_PI) / nrDots;
    layer.instanceTransform = CATransform3DMakeRotation(angle, 0.0, 0.0, 1.0);
    layer.instanceDelay = duration/nrDots;


    
    
    CABasicAnimation *shrink = [CABasicAnimation animationWithKeyPath:@"transform.scale"];
    shrink.fromValue = @(1.0);
    shrink.toValue = @(0.1);
    shrink.duration = duration;
    shrink.repeatCount = MAXFLOAT;
    
    [dot addAnimation:shrink forKey:nil];
}

输入框抖动动效

- (void)shake {
    CAKeyframeAnimation *keyFrame = [CAKeyframeAnimation animationWithKeyPath:@"position.x"];
    keyFrame.duration = 0.3;
    CGFloat x = self.layer.position.x;
    keyFrame.values = @[@(x - 30), @(x - 30), @(x + 20), @(x - 20), @(x + 10), @(x - 10), @(x + 5), @(x - 5)];
    [self.layer addAnimation:keyFrame forKey:@"shake"];

}

核心动效

#if 0
    //基础动画(放大缩小)
    CABasicAnimation *scaleAnimation = [CABasicAnimation new];
    scaleAnimation.fromValue = @(1.0);
    scaleAnimation.toValue = @(0.1);
    //scaleAnimation.duration = 2.0f;
    scaleAnimation.keyPath = @"transform.scale";
    
    //动画只能添加到图层之上
    //[self.imageView.layer addAnimation:scaleAnimation forKey:@"scale"];
    
    //移除动画
    //[self.imageView.layer removeAnimationForKey:@"scale"]
    
#endif
    
    
#if 0
    //(翻转)
    CABasicAnimation *rotationAnimation = [CABasicAnimation new];
    
    rotationAnimation.keyPath = @"transform.rotation";
    //旋转90读
    rotationAnimation.toValue = @(M_PI/2.0);
    //rotationAnimation.duration = 2.0f;
    
    //[self.imageView.layer addAnimation:rotationAnimation forKey:@"rotation"];
#endif
    
    
#if 0
    //平移
    CABasicAnimation *translationAnimation = [CABasicAnimation new];
    
    translationAnimation.keyPath = @"transform.translation.y";
    translationAnimation.toValue = @(200);
    //translationAnimation.duration = 2.0f;
    
    //[self.imageView.layer addAnimation:translationAnimation forKey:@"translation"];
    
#endif
    
    
#if 0
    //组合动画
    CAAnimationGroup *groupAnimation = [CAAnimationGroup new];
    
    groupAnimation.animations = @[scaleAnimation,rotationAnimation,translationAnimation];
    
    groupAnimation.repeatCount = MAXFLOAT;
    groupAnimation.duration = 2.0;
    
    [self.imageView.layer addAnimation:groupAnimation forKey:@"group"];
    
#endif
    
    
#if 0
    //关键帧动画
    CAKeyframeAnimation *keyFramAnimation = [CAKeyframeAnimation new];
    
    keyFramAnimation.keyPath = @"position";
    keyFramAnimation.duration = 3.0;
    keyFramAnimation.repeatCount = MAXFLOAT;
    
    NSValue *value1 = [NSValue valueWithCGPoint:CGPointMake(100, 300)];
    NSValue *value2 = [NSValue valueWithCGPoint:CGPointMake(200, 300)];
    NSValue *value3 = [NSValue valueWithCGPoint:CGPointMake(200, 400)];
    NSValue *value4 = [NSValue valueWithCGPoint:CGPointMake(100, 400)];
    NSValue *value5 = [NSValue valueWithCGPoint:CGPointMake(100, 300)];
    
    //设置移动的路径
    keyFramAnimation.values = @[value1,value2,value3,value4,value5];
    //设置动画永远处于最新的状态
    keyFramAnimation.fillMode = kCAFillModeForwards;
    //动画结束后不自动移除动画
    keyFramAnimation.removedOnCompletion = NO;
    
    //设置动画节奏
    keyFramAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
    
    [self.imageView.layer addAnimation:keyFramAnimation forKey:@"keyFramAnimation"];
    
#endif
    
#if 0
    //设置转圈
    CAKeyframeAnimation *keyFramAnimation = [CAKeyframeAnimation new];
    keyFramAnimation.duration = 3.0f;
    keyFramAnimation.repeatCount = MAXFLOAT;
    
    //创建一个路径
    CGPathRef path = CGPathCreateWithEllipseInRect(CGRectMake(100, 300, 200, 300), nil);
    
    //设置路径
    keyFramAnimation.path = path;
    //控制器动画的元素是位置点
    keyFramAnimation.keyPath = @"position";
    
    //设置动画永远处于最新的状态
    keyFramAnimation.fillMode = kCAFillModeForwards;
    //动画结束后不自动移除动画
    keyFramAnimation.removedOnCompletion = NO;
    
    //设置动画节奏
    keyFramAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut];
    
    [self.imageView.layer addAnimation:keyFramAnimation forKey:@"keyFramAnimation"];
    
#endif
    
    CAKeyframeAnimation *keyFramAnimation = [CAKeyframeAnimation new];
    
    keyFramAnimation.keyPath = @"transform.rotation";
    
    NSValue *value1 = @(M_PI_4);
    NSValue *value2 = @(-M_PI_4);
    
    keyFramAnimation.values =  @[value1,value2,value1];
    keyFramAnimation.duration = 0.1f;
    keyFramAnimation.repeatCount = MAXFLOAT;
    
    //设置动画永远处于最新的状态
    keyFramAnimation.fillMode = kCAFillModeForwards;
    //动画结束后不自动移除动画
    keyFramAnimation.removedOnCompletion = NO;
    
    [self.imageView.layer addAnimation:keyFramAnimation forKey:@"rotation"];

转场动画

- (IBAction)transitionAction:(id)sender {

    /**
     * {@"cube",@"suckEffect",@"oglFlip",@"rippleEffect",@"pageCurl",@"pageUnCurl",@"cameraIrisHollowOpen",@"cameraIrisHollowClose"};
     */
    
    //转场动画
    CATransition *transition = [CATransition new];
    //设置动画类型
    transition.type = @"oglFlip";
    //transition.subtype = kCATransitionFromLeft;
    transition.duration = 2.0f;
    
    //[self.imageView.layer addAnimation:transition forKey:@"transition"];
    
    //自定义转场动画
    [self.view.superview.layer addAnimation:transition forKey:@"transition"];
    
    UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
    ViewControllerA *ctlA = [storyboard instantiateViewControllerWithIdentifier:@"ViewControllerA"];
    [self presentViewController:ctlA animated:NO completion:nil];
 
}

进度条动画

-(instancetype)initWithFrame:(CGRect)frame{
    _trackLayer = [CAShapeLayer new];
        _trackLayer.fillColor = nil;
        _trackLayer.frame = self.bounds;
        [self.layer addSublayer:_trackLayer];
    
        _progressLayer = [CAShapeLayer new];
        _progressLayer.fillColor = nil;
        _progressLayer.lineCap = kCALineCapSquare;
        [self.layer addSublayer:_progressLayer];

        _progressLayer.frame = self.bounds;
        self.backgroundColor = [UIColor whiteColor];
        //默认为5
        self.progressWidth = 5;
        _progress = 0.0f;
}

-(void)setTrack{

    _trackPath = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.bounds.size.width/2, self.bounds.size.height/2) radius:(self.bounds.size.width - _progressWidth) / 2 startAngle:0 endAngle:M_PI * 2 clockwise:YES];
    _trackLayer.path = _trackPath.CGPath;

}

-(void)setProgress{
    _progressPath = [UIBezierPath bezierPathWithArcCenter:CGPointMake(self.bounds.size.width/2, self.bounds.size.height/2) radius:(self.bounds.size.width - _progressWidth) / 2 startAngle:0 endAngle:_progress clockwise:YES];
    _progressLayer.path = _progressPath.CGPath;
}