手势滑动判断上下左右

moveDirection direction;//这个是个枚举

  • (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

//方向

UITouch *touch = [touches anyObject];

CGPoint translation = [touch locationInView:self.view];

self.translation = translation;

direction = kMoveDirectionNone;

}

  • (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

}

  • (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

UITouch *touch = [touches anyObject];

CGPoint translation = [touch locationInView:self.view];

self.translationT = translation;

CGFloat upx = self .translation.x > self .translationT.x ? self .translation.x - self .translationT.x:self .translationT.x - self.translation.x;

CGFloat upy = self .translation.y > self .translationT.y ? self .translation.y - self .translationT.y:self .translationT.y - self.translation.y;

//上

if ((self .translation.y > self .translationT.y) && (upx < (self .translation.y - self.translationT.y))) {

direction = kMoveDirectionUp;

//下

}else if (self .translation.y < self .translationT.y && (upx < (self .translationT.y - self.translation.y))) {

direction = kMoveDirectionDown;

//左

}else if (self .translation.x > self .translationT.x && (upy < (self .translation.x - self.translationT.x))) {

direction = kMoveDirectionLeft;

//右

}else if (self .translation.x < self .translationT.x && (upy < (self .translationT.x - self.translation.x))) {

direction = kMoveDirectionRight;

}else{

direction = kMoveDirectionNone;

}

switch (direction) {

case kMoveDirectionDown:

[self compTime:6];

break ;

case kMoveDirectionUp:

[self compTime:12];

break ;

case kMoveDirectionRight:

[self compTime:3];

break ;

case kMoveDirectionLeft:

[self compTime:9];

break ;

case kMoveDirectionNone:

default :

break ;

}

}