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我试图弄清楚如何在一个圆圈周围拖动一个 UIButton,同时保持它的方向,并沿着圆圈推动其余的按钮。基本上将其限制在圆的半径内。
如果您将 A 绕圈拖动,B 将停留在它的前面并绕圈转。有点像从侧面看摩天轮
提前致谢