[racket] How does Universe.ss paint? How is it so optimized with almost little to no flickring?

You're probably referring to double-buffering: paint everything in a hidden
bitmap, and once it is ready, simply copy it to the
canvas/screen/whatever-is-visible.

Laurent

On Thu, Sep 23, 2010 at 03:59, Mathew Kurian <bluejamesbond at gmail.com>wrote:

> Hey everybody,
>
> I was wondering how universe.ss is so optimized, there is
> no flickering (esp on faster pcs). What approach does it take?
>
> Thank you
>
> Sincerely,
>
> Mathew Kurian
>
> --
> Mathew Kurian
> Seven Lakes High School
> *“Do all the good you can, b**y all the means you can,*
> *In all the ways you can, in all the places you can,
> At all the times you can, to all the people you can,**As long as ever you
> can.” :) ---John Wesley*
> Please be sure to visit: SLHS RED CROSS <http://www.slhsredcross.com>
> *
> *
>
>
> _________________________________________________
>  For list-related administrative tasks:
>  http://lists.racket-lang.org/listinfo/users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.racket-lang.org/users/archive/attachments/20100923/0e6c19ee/attachment.html>