将手势识别器添加到SKSpriteNode

Question

我有一个要求，我的视图对象必须检测各种动作，如Tap，Swipe，pinch，Pan。

如何在SKSpriteNode object上添加手势识别器？它甚至可能吗？

Answer 1

是的，这是可能的。 SKNode类有漂亮的UITouch方法。

- (CGPoint)locationInNode:(SKNode *)node;
- (CGPoint)previousLocationInNode:(SKNode *)node;

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例如

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    [super touchesBegan:touches withEvent:event];
    CGPoint beganT = [[touches anyObject]locationInNode:self];
    //do something
}
-(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
    [super touchesMoved:touches withEvent:event];
    CGPoint draggedT = [[touches anyObject]locationInNode:self];
    //do something
}
-(void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    [super touchesEnded:touches withEvent:event];
    CGPoint endedT = [[touches anyObject]locationInNode:self];
    //do something
}

确保您已启用userinteraction！

[self setUserInteractionEnabled:YES];