我有多个 Imageview,我正在划分 360 度/no.of.Imageviews 以获得旋转每个 Imageview 的角度。
#define angle ((2*M_PI)/13.0)
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
mainView.backgroundColor = [UIColor blackColor];
for(currentIndex = 0; currentIndex < 13; currentIndex++)
{
UIImageView *imageView = [self getCardsWithAngle:(currentIndex*angle)];
[mainView addSubview:imageView];
}
}
-(UIImageView *)getCardsWithAngle:(float)aAngle
{
CGRect frame = CGRectMake(mainView.center.x+50, mainView.center.y-100, 250,200);
CGPoint anchorPoint = CGPointMake(0.5,1.5);
imgView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"card_1.png"]];
imgView.frame = frame;
imgView.backgroundColor = [UIColor clearColor];
if(aAngle == 0.0)
{
imgView.layer.anchorPoint = anchorPoint;
return imgView;
}
imgView.layer.anchorPoint = anchorPoint;
CABasicAnimation* rotationAnimation;
rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
rotationAnimation.toValue = [NSNumber numberWithFloat:aAngle];
rotationAnimation.duration = 3.0;
rotationAnimation.removedOnCompletion = NO;
rotationAnimation.fillMode = kCAFillModeForwards;
rotationAnimation.delegate = self;
[rotationAnimation setValue:[NSNumber numberWithFloat:aAngle] forKey:@"finalAngle"];
[imgView.layer addAnimation:rotationAnimation forKey:@"rotationAnimation"];
return imgView;
}
在这里我的问题是所有的图像视图一次开始动画。我想将图像视图一个接一个地旋转到一个角度。
任何想法将不胜感激,谢谢大家