图层的一些基本动画效果

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

／／闪烁

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

／／移动

[self.testView.layer addAnimation:[self duration:3 move:[NSNumber numberWithInteger:200]] forKey:nil];

／／缩放

[self.testView.layer addAnimation:[self scale:[NSNumber numberWithInteger:1] orgin:[NSNumber numberWithInteger:3] durTimes:1 Rep:MAXFLOAT] forKey:nil] ;

／／组合

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

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

／／路径

CGMutablePathRef myPah = CGPathCreateMutable();

CGPathMoveToPoint(myPah, nil,30, 77);

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

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

／／旋转

[self.testView.layer addAnimation:[self rotation:2 degree:kRadianToDegrees(90) direction:1 repeatCount:MAXFLOAT] forKey:nil];

／／移除

[self.testView.layer removeAllAnimations];

#pragma mark === 闪烁 ======

- (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 *)duration:(float)time move:(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 = NO;

    animation.fillMode = kCAFillModeForwards;

    animation.repeatCount = repeatCount;

    animation.delegate = self;

    return animation;

}