平面与点之间的符号距离 [英] signed distance between plane and point

问题描述

我找不到用于找到点与平面之间的有符号距离的一致方法.给定一个定义为点和法线的平面，我该如何计算?

I cannot find a consistent method for finding the signed distance between a point and a plane. How can I calculate this given a plane defined as a point and a normal?

struct Plane
{
    Vec3 point;
    Vec3 normal;
} 

推荐答案

您使事情变得太复杂了.如果您的法线正常化，则可以执行以下操作:

You're making things much too complicated. If your normal is normalized, you can just do this:

float dist = dotProduct(p.normal, (vectorSubtract(point, p.point)));

这篇关于平面与点之间的符号距离的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！