animation

 

animation keyPath

structure Field	description
transform.rotation.x	角度，x轴（ [NSNumber numberWithFloat:1.0]; ）
transform.rotation.y	角度，y轴（）
transform.rotation.z	角度，z轴
transform.rotation	角度
scale.x	范围，x轴
scale.y	范围，y轴
scale.z	范围，z轴
scale	范围
position.x	x轴的位置
position.y	y轴的位置
position.z	z轴的位置
position	位置（[NSValue valueWithCGPoint:groupLayer.position] ）

 //演员初始化

    CALayer* groupLayer = [[CALayeralloc]init];

    groupLayer.frame = CGRectMake(60, 340+100+kYOffset,50,50);

    groupLayer.cornerRadius = 10;

    groupLayer.backgroundColor = [UIColorcolorWithPatternImage:[UIImageimageNamed:@"heart.png"]].CGColor;

    [self.view.layeraddSublayer:groupLayer];

//设定剧本

    CABasicAnimation* moveAnimation =                  

    [CABasicAnimationanimationWithKeyPath:@"position.x"];

    moveAnimation.fromValue = [NSNumbernumberWithFloat:groupLayer.position.x];

    moveAnimation.toValue = [NSNumbernumberWithFloat:300];

    moveAnimation.autoreverses = YES;

    moveAnimation.repeatCount =MAXFLOAT;

    moveAnimation.duration = 2;

   

 /*

    CABasicAnimation* moveAnimation = [CABasicAnimation animationWithKeyPath:@"position"];

    moveAnimation.fromValue = [NSValue valueWithCGPoint:groupLayer.position];

    moveAnimation.toValue = [NSValue valueWithCGPoint:CGPointMake(320-80, groupLayer.position.y)];

    moveAnimation.autoreverses = YES;

    moveAnimation.repeatCount =MAXFLOAT;

    moveAnimation.duration = 2;

    [groupLayer addAnimation:moveAnimation forKey:@"scaleAnimation"];

    */

//开演

    [groupLayer addAnimation:moveAnimation forKey:@"scaleAnimation"];