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两条线段的交点的计算

FPGA硅农发布时间：2022-02-15 18:57:00 ，浏览量：2

问题

已知线段P1P2和Q1Q2，判断它们是否有交点，若有，求出交点。

1.判断线段是否相交

如图，判断线段是否相交，可以通过一系列实验来进行。在这里插入图片描述

快速排斥实验

若以P1P2和Q1Q2为对角线的矩形不相交，则P1P2肯定不相交只有当 min(p1.x,p2.x)

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