我尝试改变帧值,我认为这是要走的路,但无法产生正确的结果.我不确定我有多近或有更简单的方法?
如何在可移动视图的边缘而不是最后一个像素处停止它?
//Container is self.slIDerContainer//Green Block is sender.vIEw which has a UIGesture applIEd var location = sender.locationInVIEw(self.vIEw) var newFrame = CGRectMake(0,self.slIDerContainer.frame.wIDth,self.slIDerContainer.frame.height) let obstacleVIEwFrame = self.vIEw.convertRect(self.slIDerContainer.frame,fromVIEw: self.slIDerContainer.supervIEw) // Check if the touch is insIDe the obstacle vIEw if CGRectContainsPoint(obstacleVIEwFrame,location) { sender.vIEw!.center.x = sender.vIEw!.center.x + translation.x sender.setTranslation(CGPointZero,inVIEw: self.vIEw) }解决方法 我建议以最简单的方式进行,不限制手势,只确保矩形不会越界:
let movingVIEw = sender.vIEw!let minCenterX = movingVIEw.frame.size.wIDth / 2let maxCenterX = self.slIDerContainer.frame.wIDth - movingVIEw.frame.size.wIDth / 2let newCenterX = movingVIEw.center.x + translation.xmovingVIEw.center.x = min(maxCenterX,max(minCenterX,newCenterX))总结
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