ios 旋转手势

// UIRotationGestureRecognizer *rota =[[UIRotationGestureRecognizer alloc]initWithTarget:self action:@selector(toucheAction:)];
// [self.view addGestureRecognizer:rota];

// UIRotationGestureRecognizer *IDD= ID;
// float hudu =IDD.rotation ;
// float jiaodu =IDD.rotation *180/M_PI;
// //角度=
弧度 *180/π
// if (hudu>0) {
// NSLog(@"顺时针转===");
// }else if (hudu<0){
// NSLog(@"逆时针转动");
// }
// NSLog(@"弧度%f,角度%f,volicatiy%f",hudu,jiaodu,IDD.velocity);