手势

- (void)viewDidLoad {

    [superviewDidLoad];

//// 创建一个长按手势

//    UILongPressGestureRecognizer *longPG = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPG)];

////   添加手势

//    [self.redView addGestureRecognizer:longPG];

//    

//    创建一个缩放手势

//    UIPinchGestureRecognizer *pinchPG = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinchPG:)];

////    添加缩放手势

//    [self.redView addGestureRecognizer:pinchPG];

    

////   创建一个点按手势

//    UITapGestureRecognizer *tapPG = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapPG:)];

//    

////    添加点按手势

//    [self.redView addGestureRecognizer:tapPG];

    

    

////    创建拖动手势

//    UIPanGestureRecognizer *panPG = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panPG:)];

////    添加拖动手势

//    [self.redView addGestureRecognizer:panPG];

    

////    创建一个旋转手势

//    UIRotationGestureRecognizer *rotePG = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rote:)];

////    添加一个旋转手势

//    [self.redView addGestureRecognizer:rotePG];

    

//  创建一个轻扫手势

    UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizeralloc] initWithTarget:selfaction:@selector(swipe:)];

//    添加一个轻扫手势

    [self.redViewaddGestureRecognizer:swipe];

    

}

// 实现轻扫手势  默认是向右时，调用此方法

- (void)swipe:(UISwipeGestureRecognizer *)swipe

{

    NSLog(@"%s",__func__);

}

// 实现旋转手势

- (void)rote:(UIRotationGestureRecognizer *)rotePG

{

    self.redView.transform =CGAffineTransformRotate(self.redView.transform, rotePG.rotation);

//    复位

    [rotePG setRotation:0];

}

// 实现拖动手势

- (void)panPG:(UIPanGestureRecognizer *)panPG

{

    CGPoint transP = [panPG translationInView:self.redView];

    

    self.redView.transform =CGAffineTransformTranslate(self.redView.transform, transP.x, transP.y);

// 复位

    [panPG setTranslation:CGPointZeroinView:self.redView];

}

// 点按手势

- (void)tapPG:(UITapGestureRecognizer *)tapPG

{

    

    NSLog(@"%s",__func__);

}

// 缩放手势

- (void)pinchPG:(UIPinchGestureRecognizer *)pinchPG

{

    self.redView.transform =CGAffineTransformScale(self.redView.transform, pinchPG.scale, pinchPG.scale);

//    复位

    [pinchPG setScale:1];

}

// 实现长按手势

- (void)longPG

{

    NSLog(@"%s",__func__);

}