From: "Bart Schaefer" <schaefer@candle.brasslantern.com>
To: zsh-users@sunsite.dk
Subject: Re: do I win the "most pointless use of ZSH" award? ;)
Date: Mon, 30 Apr 2001 15:15:53 -0700 [thread overview]
Message-ID: <010430151553.ZM9588@candle.brasslantern.com> (raw)
In-Reply-To: <20010430210517.A4840@idiocy.org>
On Apr 30, 9:05pm, Alan Third wrote:
>
> Hi, just for what it's worth, with the help of Bart Schaefer I've
> managed to optimise the code a bit! It also looks a bit more
> interesting whilst it's drawing than before... :)
Just one thing:
> #!/bin/zsh
>
> ((columns=COLUMNS-1, lines=LINES))
> ((colour=0))
>
> for ((b=-1.5;b<=1.5;b+=3.0/lines));do
> for ((a=-2.0;a<=1;a+=3.0/columns));do
>
> for (( p=0.0, q=0.0, i=0 ; p*p+q*q < 4 && i < 32 ; i++));do
> ((pnew=p*p-q*q+a, q=2*p*q+b, p=pnew))
> done
>
> ((colour=(i/4)%8))
>
> echo -n "\\e[4${colour}m "
> done
echo
> done
With that echo inserted, one can do e.g.
COLUMNS=60 LINES=20 zmandel
(or whatever you've called this) to draw the set smaller than the actual
screen size.
next prev parent reply other threads:[~2001-04-30 22:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-27 20:31 Alan Third
2001-04-27 20:52 ` Clint Adams
2001-04-30 19:41 ` David Terrell
2001-04-30 20:05 ` Alan Third
2001-04-30 20:23 ` Geoff Raye
2001-04-30 20:38 ` Alan Third
2001-04-30 22:19 ` Bart Schaefer
2001-04-30 22:15 ` Bart Schaefer [this message]
2001-05-02 17:30 ` Alan Third
2001-05-02 22:26 ` Bruce Stephens
2001-05-02 22:56 ` Bart Schaefer
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