Did ya make any macros about line segment intersecting?

Tor Olav Kristensen wrote:

> Ben Chambers wrote:
> >
> > I know I can solve this one, but I was wondering if anyone knows of any
> > quick / easy methods that might not be intuitive to me.
>
> Here is an extract from one of many such intersection macros I once made:
>
> #declare pIsect = pLine + vLine*vdot(pPlane - pLine, vPlane)/vdot(vLine, vPlane);
>
> pLine is any point on the line
> vLine is any vector parallel to the line
>
> pPlane is any point on the plane
> vPlane is any vector that is normal to the plane
>
> Tor Olav

--
Have Fun!

Post a reply to this message