"Charles C" <nomail@nomail> wrote:
> Warp <war### [at] tagpovrayorg> wrote:
>
> >   The cross-product itself checks for colinearity: If the points are
> > colinear, the result will be a zero vector.
>
>
> Good point.
> Charles

Thanks all, I already have a macro working which will translate a vector until
it collides with a solid and then get the normal of the surface where the
collision ocurred... now I need stuff to point to my normal :P I have a macro
for that too but no good. Check my newest thread please!!

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