如何让View一直沿z轴旋转

时间：2023-03-09 14:52:17
如何让View一直沿z轴旋转 
#import <QuartzCore/QuartzCore.h>
...

CABasicAnimation *rotationAni = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];

rotationAni.toValue = [NSNumber numberWithFloat:M_PI*];

rotationAni.duration = 0.5;

rotationAni.cumulative = YES;

rotationAni.repeatCount = ;

[indicatorView.layer addAnimation:rotationAni forKey:@"rotationAnimation1"];