计算机图形学点在多边形内/外的判断，给出了一个例子，可以画任意的多边形，判断点是否在多边形内，可直接运行。-Computer graphics point in polygon inside/outside of the judge is given an example, you can draw an arbitrary polygon, point to determine whether the polygon can be directly run.

Computer graphics point in polygon inside/outside of the judge is given an example, you can draw an arbitrary polygon, point to determine whether the polygon can be directly run.