I wrote PHP code, following step by step by top voted comment from this topic: Find intersection of two 3D lines
But something it's wrong and I can't find the solution. Sometimes, the result is correct, but not always.
It's my code:
I think, that the problem is because I do not understand this part:
Let l=(h/k)*e. Then one of M=C±l is the point of intersection
But h and k are vectors. How do divide vector by vector?
I was tried to divide for example
h->x by k->x (but what if k->x is equal to zero?). So in this case i tried to divide
h->y by k->y or
h->z by k->z (LINES 28 - 33).
So, for lines that are not pararell to any axies, the result is correct. But it's wrong for line for example like this:
Given by two Points: Point1: x: 1440 y: 2500 z: 4500 Point2 x: 1440 y: 700 z: 3500
Point1: x: 1520 y: 1406.86 z: 3892.70 Point2: x: 1440 y: 1326.86 z: 3848.26
Can anyone give me php solution for this problem or explain me, how to divide (h/k)? Thanks!