Slime <fak### [at] emailaddress> wrote:
> > #if (A.x-B.x<Threshold &
> >       A.y-B.y<Threshold &
> >       A.z-B.z<Threshold)

> A simpler (though slower) option is

> #if ( vlength(A-B) < Threshold )

  Slower?-o

  There's much less to parse there. POV-Ray will spend 99% of the time
parsing that expression and 1% of the time calculating its result. You
do the math on which option is faster.

-- 
                                                          - Warp

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