Coder's Guild Mailing List

RE: Two ?'s - Answer/Question about first

Posted by Eian on 2001-03-20

Hmm, not really sure why you are asking this question, but have you looked
at using matrix multiplication to scale your object at all? It would a quick
computation, without a bunch of overhead.

Eian

>
> Here's a mathematical question you can ask yourselves:  can you
> scale an object
> without using multiplication?  I have an object (coordinate plane
> kept at standard
> Windows with (0,0) as the upper left corner, and the y axis
> inverted) that I'd like to
> resize.  Because the resizing will be very small and gradual in
> amount, and important
> number changes would be lost to rounding, I'm wondering if it's
> possible to scale it up
> using addition and subtraction of the points....or would
> multiplication be easier?