本文主要是介绍CABasicAnimation 几个常用的动画效果，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
来自：http://blog.sina.com.cn/s/blog_8a6c97b501010lcf.html
其他参考：http://tergol.blog.163.com/blog/static/1706950282010112811257949/
+(CABasicAnimation *)opacityForever_Animation:(float)time ／／永久闪烁的动画
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"opacity"];
animation.fromValue=[NSNumber numberWithFloat:1.0];
animation.toValue=[NSNumber numberWithFloat:0.0];
animation.autoreverses=YES;
animation.duration=time;
animation.repeatCount=FLT_MAX;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CABasicAnimation *)opacityTimes_Animation:(float)repeatTimes durTimes:(float)time; ／／有闪烁次数的动画
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"opacity"];
animation.fromValue=[NSNumber numberWithFloat:1.0];
animation.toValue=[NSNumber numberWithFloat:0.4];
animation.repeatCount=repeatTimes;
animation.duration=time;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
animation.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn];
animation.autoreverses=YES;
return animation;
}
+(CABasicAnimation *)moveX:(float)time X:(NSNumber *)x ／／横向移动
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"transform.translation.x"];
animation.toValue=x;
animation.duration=time;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CABasicAnimation *)moveY:(float)time Y:(NSNumber *)y ／／纵向移动
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"transform.translation.y"];
animation.toValue=y;
animation.duration=time;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CABasicAnimation *)scale:(NSNumber *)Multiple orgin:(NSNumber *)orginMultiple durTimes:(float)time Rep:(float)repeatTimes ／／缩放
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"transform.scale"];
animation.fromValue=orginMultiple;
animation.toValue=Multiple;
animation.duration=time;
animation.autoreverses=YES;
animation.repeatCount=repeatTimes;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CAAnimationGroup *)groupAnimation:(NSArray *)animationAry durTimes:(float)time Rep:(float)repeatTimes ／／组合动画
{
CAAnimationGroup *animation=[CAAnimationGroup animation];
animation.animations=animationAry;
animation.duration=time;
animation.repeatCount=repeatTimes;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CAKeyframeAnimation *)keyframeAniamtion:(CGMutablePathRef)path durTimes:(float)time Rep:(float)repeatTimes ／／路径动画
{
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;
}
+(CABasicAnimation *)movepoint:(CGPoint )point ／／点移动
{
CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"transform.translation"];
animation.toValue=[NSValue valueWithCGPoint:point];
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
return animation;
}
+(CABasicAnimation *)rotation:(float)dur degree:(float)degree direction:(int)direction repeatCount:(int)repeatCount ／／旋转
{
CATransform3D rotationTransform = CATransform3DMakeRotation(degree, 0, 0,direction);
CABasicAnimation* animation;
animation = [CABasicAnimation animationWithKeyPath:@"transform"];
animation.toValue= [NSValue valueWithCATransform3D:rotationTransform];
animation.duration= dur;
animation.autoreverses= NO;
animation.cumulative= YES;
animation.removedOnCompletion=NO;
animation.fillMode=kCAFillModeForwards;
animation.repeatCount= repeatCount;
animation.delegate= self;
return animation;
}
实现view放大再缩小的效果
- (void)viewDidLoad { [super viewDidLoad]; layer=[CALayer layer]; layer.frame=CGRectMake(50, 200, 50, 50); layer.backgroundColor=[UIColor orangeColor].CGColor; layer.cornerRadius=8.0f; CABasicAnimation *animation=[CABasicAnimation animationWithKeyPath:@"transform.translation.y"]; animation.duration=4.0f; animation.autoreverses=NO; animation.repeatCount=1; animation.toValue=[NSNumber numberWithInt:-10]; animation.fromValue=[NSNumber numberWithInt:200]; animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]; CABasicAnimation *animationZoomIn=[CABasicAnimation animationWithKeyPath:@"transform.scale"]; animationZoomIn.duration=2.0f; animationZoomIn.autoreverses=NO; animationZoomIn.repeatCount=1; animationZoomIn.toValue=[NSNumber numberWithFloat:1.56]; animationZoomIn.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseIn]; CABasicAnimation *animationZoomOut=[CABasicAnimation animationWithKeyPath:@"transform.scale"]; animationZoomOut.beginTime=2.0f; animationZoomOut.duration=2.0f; animationZoomOut.autoreverses=NO; animationZoomOut.repeatCount=1; animationZoomOut.toValue=[NSNumber numberWithFloat:.01]; animationZoomOut.timingFunction=[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseOut]; CAAnimationGroup *group=[CAAnimationGroup animation]; group.duration=4.0f; group.animations=[NSArray arrayWithObjects: animation, animationZoomIn, animationZoomOut,nil]; group.removedOnCompletion=NO; group.fillMode=kCAFillModeForwards; [layer addAnimation:group forKey:nil]; [self.view.layer addSublayer:layer]; //layer.hidden=YES; }
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