• CAAnimation动画--(旋转/缩放/移动/闪烁)


    //

    //  ViewController.m

    //  animation

    //

    //  Created by xueshan on 16/12/15.

    //  Copyright © 2016 xueshan. All rights reserved.

    //

     

    #import "ViewController.h"

    #define kDegreesToRadian(x) (M_PI * (x) / 180.0)

     

    #define kRadianToDegrees(radian) (radian*180.0)/(M_PI)

     

    @interface ViewController ()

    {

        UILabel *myTest1;

    }

    @end

     

    @implementation ViewController

     

     

    - (void)viewDidLoad

    {

        [super viewDidLoad];

        self.title = @"测试动画";

        self.view.backgroundColor = [UIColor lightGrayColor];

        

        

        myTest1 = [[UILabel alloc]initWithFrame:CGRectMake(150, 100, 100, 100)];

        myTest1.backgroundColor = [UIColor blueColor];

        myTest1.textAlignment = NSTextAlignmentCenter;

        myTest1.text = @"张明炜";

        myTest1.textColor = [UIColor whiteColor];

        [self.view addSubview:myTest1];

        

        //闪烁效果。

        //    [myTest1.layer addAnimation:[self opacityForever_Animation:0.5] forKey:nil];

        ///移动的动画。

        //    [myTest1.layer addAnimation:[self moveX:1.0f X:[NSNumber numberWithFloat:200.0f]] forKey:nil];

        //缩放效果。

        //    [myTest1.layer addAnimation:[self scale:[NSNumber numberWithFloat:1.0f] orgin:[NSNumber numberWithFloat:3.0f] durTimes:2.0f Rep:MAXFLOAT] forKey:nil];

        //组合动画。

        //    NSArray *myArray = [NSArray arrayWithObjects:[self opacityForever_Animation:0.5],[self moveX:1.0f X:[NSNumber numberWithFloat:200.0f]],[self scale:[NSNumber numberWithFloat:1.0f] orgin:[NSNumber numberWithFloat:3.0f] durTimes:2.0f Rep:MAXFLOAT], nil];

        //    [myTest1.layer addAnimation:[self groupAnimation:myArray durTimes:3.0f Rep:MAXFLOAT] forKey:nil];

        //路径动画。

        //    CGMutablePathRef myPah = CGPathCreateMutable();

        //    CGPathMoveToPoint(myPah, nil,30, 77);

        //    CGPathAddCurveToPoint(myPah, nil, 50, 50, 60, 200, 200, 200);//这里的是控制点。

        //    [myTest1.layer addAnimation:[self keyframeAnimation:myPah durTimes:5 Rep:MAXFLOAT] forKey:nil];

        //旋转动画。

        [myTest1.layer addAnimation:[self rotation:1 degree:kRadianToDegrees(360) direction:1 repeatCount:MAXFLOAT] forKey:nil];

        

        

    }

     

    #pragma mark === 永久闪烁的动画 ======

    -(CABasicAnimation *)opacityForever_Animation:(float)time

    {

        CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"opacity"];//必须写opacity才行。

        animation.fromValue = [NSNumber numberWithFloat:1.0f];

        animation.toValue = [NSNumber numberWithFloat:0.0f];//这是透明度。

        animation.autoreverses = YES;

        animation.duration = time;

        animation.repeatCount = MAXFLOAT;

        animation.removedOnCompletion = NO;

        animation.fillMode = kCAFillModeForwards;

        animation.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];///没有的话是均匀的动画。

        return animation;

    }

     

    #pragma mark =====横向、纵向移动===========

    -(CABasicAnimation *)moveX:(float)time X:(NSNumber *)x

    {

        CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@"transform.translation.x"];///.y的话就向下移动。

        animation.toValue = x;

        animation.duration = time;

        animation.removedOnCompletion = NO;//yes的话,又返回原位置了。

        animation.repeatCount = MAXFLOAT;

        animation.fillMode = kCAFillModeForwards;

        return animation;

    }

     

    #pragma mark =====缩放-=============

    -(CABasicAnimation *)scale:(NSNumber *)Multiple orgin:(NSNumber *)orginMultiple durTimes:(float)time Rep:(float)repertTimes

    {

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

        animation.fromValue = Multiple;

        animation.toValue = orginMultiple;

        animation.autoreverses = YES;

        animation.repeatCount = repertTimes;

        animation.duration = time;//不设置时候的话,有一个默认的缩放时间.

        animation.removedOnCompletion = NO;

        animation.fillMode = kCAFillModeForwards;

        return  animation;

    }

     

    #pragma mark =====组合动画-=============

    -(CAAnimationGroup *)groupAnimation:(NSArray *)animationAry durTimes:(float)time Rep:(float)repeatTimes

    {

        CAAnimationGroup *animation = [CAAnimationGroup animation];

        animation.animations = animationAry;

        animation.duration = time;

        animation.removedOnCompletion = NO;

        animation.repeatCount = repeatTimes;

        animation.fillMode = kCAFillModeForwards;

        return animation;

    }

     

    #pragma mark =====路径动画-=============

    -(CAKeyframeAnimation *)keyframeAnimation:(CGMutablePathRef)path durTimes:(float)time Rep:(float)repeatTimes

    {

        CAKeyframeAnimation *animation = [CAKeyframeAnimation animationWithKeyPath:@"position"];

        animation.path = path;

        animation.removedOnCompletion = NO;

        animation.fillMode = kCAFillModeForwards;

        animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];

        animation.autoreverses = NO;

        animation.duration = time;

        animation.repeatCount = repeatTimes;

        return animation;

    }

     

    #pragma mark ====旋转动画======

    -(CABasicAnimation *)rotation:(float)dur degree:(float)degree direction:(int)direction repeatCount:(int)repeatCount

    {

        CATransform3D rotationTransform = CATransform3DMakeRotation(degree, 0, 0, direction);

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

        animation.toValue = [NSValue valueWithCATransform3D:rotationTransform];

        animation.duration  =  dur;

        animation.autoreverses = NO;

        animation.cumulative = YES;

        animation.fillMode = kCAFillModeForwards;

        animation.repeatCount = 100;

        animation.delegate = self;

        

        return animation;

        

        

        

        //以下两行同时设置才能保持移动后的位置状态不变

        

        //rotationAnimation.fillMode=kCAFillModeForwards;

        //rotationAnimation.removedOnCompletion = NO;

    }

     

     

    //图片旋转

    + (UIImageView *)rotate360DegreeWithImageView:(UIImageView *)imageView{

        CABasicAnimation *animation = [ CABasicAnimation

                                       animationWithKeyPath: @"transform" ];

        animation.fromValue = [NSValue valueWithCATransform3D:CATransform3DIdentity];

        

        //围绕Z轴旋转,垂直与屏幕

        animation.toValue = [ NSValue valueWithCATransform3D:

                             

                             CATransform3DMakeRotation(M_PI, 0.0, 0.0, 1.0) ];

        animation.duration = 0.5;

        //旋转效果累计,先转180度,接着再旋转180度,从而实现360旋转

        animation.cumulative = YES;

        animation.repeatCount = 1000;

        

        //在图片边缘添加一个像素的透明区域,去图片锯齿

        CGRect imageRrect = CGRectMake(0, 0,imageView.frame.size.width, imageView.frame.size.height);

        UIGraphicsBeginImageContext(imageRrect.size);

        [imageView.image drawInRect:CGRectMake(1,1,imageView.frame.size.width-2,imageView.frame.size.height-2)];

        imageView.image = UIGraphicsGetImageFromCurrentImageContext();

        UIGraphicsEndImageContext();

        

        [imageView.layer addAnimation:animation forKey:nil];

        return imageView;

    }

     

    //animation.repeatCount = 1000;

    //这个你要想一直旋转,设置一个无穷大就得了

    //

    //停止的话直接这样就停止了

    //[self.view.layer removeAllAnimates];

     

     

     

     

     

     

     

     

     

     

     

     

    - (void)didReceiveMemoryWarning {

        [super didReceiveMemoryWarning];

        // Dispose of any resources that can be recreated.

    }

     

    @end

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  • 原文地址:https://www.cnblogs.com/daxueshan/p/6184664.html
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