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介绍的多边形裁剪算法采用了新的策略，对多边形与窗口的交点进行判断并连线，从而使裁剪算法既简单又高效，无论对凸多边形还是凹多边形都可以进行裁剪。
The introduced polygon clipping algorithm adopts a new strategy to judge and connect the intersection point of the polygon and the window, so that the clipping algorithm is simple and efficient, and can be cut both for the convex polygon and the concave polygon.