CAAnimation动画--(旋转/缩放/移动/闪烁)

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//

//  ViewController.m

//  animation

//

//  Created by xueshan on 16/12/15.

//  Copyright © 2016年 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