转自:http://blog.csdn.net/trandy/article/details/6626281
- -(UIImageView *) makeRotation:(UIImageView *)image speedX:(float)X speedY:(float)Y
- {
-
-
- if (Y<0) {
- image.transform = CGAffineTransformMakeRotation(atan(X/(-Y)));
- }else if(Y>0){
- image.transform = CGAffineTransformMakeRotation(atanf(X/(-Y))-PI);
- }
- return image;
- }
UIImageView旋转任意角度－－－实现方法
原文：http://www.cnblogs.com/allanliu/p/4191996.html
