[Squeakland] spiral

[Randy Heiland]

Uh, I said "Squeak" backwards 3 times really fast? :)  It's possible that my
environment may be a bit screwy.  Early on I was using some full-blown
version of Squeak, but thought that I was currently using the Etoys version.
The world -> desktop menu -> help -> "about this system" tells me I'm
running Squeakland 3.8.5976 update #371

--Randy

> -----Original Message-----
> From: Alan Kay [mailto:alan.kay at squeakland.org]
> Sent: Tuesday, December 07, 2004 4:05 PM
> To: JOHN VOIKLIS; Randy Heiland
> Cc: squeakland at squeakland.org
> Subject: Re: [Squeakland] spiral
> 
> To John and Randy
> 
> By the way, headingTheta is part of the vector category in etoys, has a
> different purpose and orientation than "heading", and is not needed for
> making spirals or other LOGO like geometric figures. "headingTheta" (and
> the rest of the vector stuff) is usually not visible in a vanilla Etoy
> system. How did you get it to be visible in yours?
> 
> Cheers,
> 
> Alan
> 
> -----------
> 
> At 06:31 AM 12/7/2004, JOHN VOIKLIS wrote:
> >Hi Randy,
> >
> >Attached is a quick, if somewhat simple-minded, fix.
> >
> >Best,
> >
> >John
> >
> >
> >On Mon, 6 Dec 2004 14:57:50 -0500, Randy Heiland <heiland at indiana.edu>
> wrote:
> > > How might one create a script to draw a spiral?  I mistakenly thought
> that
> > > if I did something like:
> > >
> > > Fwd by 5
> > > Turn by <obj> headingTheta + 2
> > > penDown
> > >
> > > that I might accomplish it.  However, it seems that the headingTheta
> is not
> > > dynamically updated in this script, i.e. the heading never changes.
> > >
> > > Thanks, Randy
> > >
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> > >
> >
> >
> >--
> >***FOR ALL THOSE WHO INCLUDE ME IN THEIR ADDRESS BOOKS, PLEASE CHANGE
> >MY ADDRESS TO: voiklis @gmail.com***
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