什么是公式指向已知的起点，终点和距离 [英] whats the formula to point along line known starting point, ending point and distance

问题描述

我有个问题要找到线上点的x，y，z。我有开始和结束行的posint。如何根据距离计算线上（起点和终点之间）的任何点？示例图像如下。谢谢。

i have a question to find the x,y,z of point on the line. i have start and end posint of line. how to calculate any point on the line(between start and end points) by distance? an example image are bellow. Thanks.

推荐答案

我很确定有更好的方法来做到这一点。 =）

Create a normal and multiply it. I'm pretty sure there are better ways to do that though. =)

Vec3 BA = B - A;
BA.normalize(); // you have the direction
Vec3 Dist = BA.mult(distance);
Vec3 Result = A + Dist;

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