ios動畫旋轉方向

 CABasicAnimation *spin = [CABasicAnimationanimationWithKeyPath:@"transform.rotation.y"];//縱向旋轉

 CABasicAnimation *spin = [CABasicAnimationanimationWithKeyPath:@"transform.rotation.x"];//橫向旋轉

 CABasicAnimation *spin = [CABasicAnimationanimationWithKeyPath:@"transform.rotation"];圓圈旋轉

http://www.cocoachina.com/ios/20150105/10829.html