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所以在这里我有一个循环,使用一个数组在屏幕上创建一堆不同的方块,并且我添加了一个手势识别器来检测平底锅。事情是,我希望能够平滑地将一个物体滑到下一个物体上,而不会抬起我的手指。但是,用我现在的代码,我必须提起手指并单独滑过每个对象。有谁知道如何制作它,以便我可以平滑地将手指滑过每个物体,并让它们在滑过时执行其功能?这里是我的代码:检测多个对象的平移?
int numby = [squareLocations count];
for (int i = 0; i < numby; i++)
{
NSValue *pointLocation = [squareLocations objectAtIndex:i];
CGPoint tmpPoint = [pointLocation CGPointValue];
UIImage *theSquare = [UIImage imageNamed:@"square.png"];
UIButton *squareButton = [[UIButton alloc] init];
squareButton = [UIButton buttonWithType:UIButtonTypeCustom];
squareButton.frame = CGRectMake(tmpPoint.x, tmpPoint.y, theSquare.size.width, theSquare.size.height);
squareButton.tag = *(&i);
[squareButton setImage:theSquare forState:UIControlStateNormal];
UIPanGestureRecognizer *slide = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePan:)];
[squareButton addGestureRecognizer:slide];
[whereStuffActuallyHappens addSubview:squareButton];
}
}
- (void) handlePan:(UIPanGestureRecognizer *)slide {
[slide setTranslation:CGPointZero inView:slide.view];
NSInteger tag = slide.view.tag;
NSLog(@"Tag is: %i", tag);
[slide.view removeFromSuperview];
}
有没有办法使用touchesBegin检查正方形的标签?我在想,如果我可以使用它来检查广场的标签,我可以这样做吗? – 2013-03-17 05:41:11
我从来没有成功获得触摸开始工作,所以我可能是错的,但我不认为如果手指仍然在屏幕上,只是越过视图,它会被调用。 – Jsdodgers 2013-03-17 05:53:08
如果我将pan识别器塞入touchesbegin会怎么样? – 2013-03-17 06:44:57