[ munch ]
>
>The first thing you need to do is decide whether you really DO need to
>normalize the vector in the first place.  For instance, if your ultimate
>objective were to draw lines from one point to another, or to calculate PWM
>duty-cycles (hard to believe that those two are equivalent problems, but they
>are), you could simply use the Bresenham algorithm, which requires no
>multiplications or divisions, let alone square-roots.

[ munch ]

>--
>Andrew Warren - fastfwd@ix.netcom.com
>Fast Forward Engineering, Vista, California


Ok Andy, what is the Bresenham algorithm?

--Maurice

----------------------
   Maurice Rabb
   Totem Consulting
   (312) 281-6003
   totem@mcs.com
----------------------