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  • 图片360°旋转动画(

    + (UIImageView *)rotate360DegreeWithImageView:(UIImageView *)imageView{
        CABasicAnimation *animation = [ CABasicAnimation
                                       animationWithKeyPath: @"transform" ];
        animation.fromValue = [NSValue valueWithCATransform3D:CATransform3DIdentity];
        
        //围绕Z轴旋转,垂直与屏幕
        animation.toValue = [ NSValue valueWithCATransform3D: 
                             
                             CATransform3DMakeRotation(M_PI, 0.0, 0.0, 1.0) ];
        animation.duration = 0.5;
        //旋转效果累计,先转180度,接着再旋转180度,从而实现360旋转
        animation.cumulative = YES;
        animation.repeatCount = 1000;
        
        //在图片边缘添加一个像素的透明区域,去图片锯齿
        CGRect imageRrect = CGRectMake(0, 0,imageView.frame.size.width, imageView.frame.size.height);
        UIGraphicsBeginImageContext(imageRrect.size); 
        [imageView.image drawInRect:CGRectMake(1,1,imageView.frame.size.width-2,imageView.frame.size.height-2)];
        imageView.image = UIGraphicsGetImageFromCurrentImageContext();
        UIGraphicsEndImageContext();
        
        [imageView.layer addAnimation:animation forKey:nil];
        return imageView;
    }
     
     animation.repeatCount = 1000;
    旋转次数
    [self.view.layer removeAllAnimates];
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  • 原文地址:https://www.cnblogs.com/sgdkg/p/6419711.html
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