[Squeakland] spiral

[Kim Rose]

Hi, Randy/Alan --
Randy is indeed using the latest/greatest "Etoy/Squeakland" version. 
Both "theta" and "headingTheta" appear by default in the geometry 
category of an object's viewer in this version.
  -- Kim


At 4:24 PM -0500 12/7/04, Randy Heiland wrote:
>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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