2019獨角獸企業重金招聘Python工程師標準>>>

---實現圖片3D立體旋轉

-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

? ? CABasicAnimation* rotationAnimation;

? ? rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.y"];

? ? rotationAnimation.toValue = [NSNumber numberWithFloat: M_PI * 2.0 ];

? ? rotationAnimation.duration = 1;

? ? rotationAnimation.cumulative = YES;

? ? rotationAnimation.repeatCount = MAXFLOAT;

?? ?

? ? [imageView.layer addAnimation:rotationAnimation forKey:@"rotationAnimation"];

? ?}

?

---圖片旋轉

-(void) startAnimation

{

? ? [UIView beginAnimations:nil context:nil];

? ? [UIView setAnimationDuration:0.01];

? ? [UIView setAnimationDelegate:self];

? ? [UIView setAnimationDidStopSelector:@selector(endAnimation)];

? ? imageView.transform = CGAffineTransformMakeRotation(angle * (M_PI / 180.0f));

? ? [UIView commitAnimations];

}

?

-(void)endAnimation{

? ? angle += 10;

? ? [self startAnimation];

}

轉載于:https://my.oschina.net/u/2287505/blog/675734

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