[Squeakland] OLPC pen trails for turtle graphics

Scott Wallace scott.wallace at squeakland.org
Sat Oct 20 21:55:54 PDT 2007

Hi, Simon,

Set the "batch pen trails" option to false to get the behavior you're  
expecting.  This option can be found in the "pen trails" menu of any  
playfield, and also in the "world's" pen-trails menu.

Note that batch-pen-trails is turned off by default starting with  
etoys2.2 update level 1695.


   -- Scott

On Oct 20, 2007, at 11:10 AM, Simon Guest wrote:

> Hi,
> I'm just about to start my own kids off on some OLPC Etoys
> investigation, so I had a quick play, intending to make some turtle
> style polygons.  It didn't work as I expected.
> A simple script like this:
> Repeat 2 times
>     Star forward by 100
>     Star turn by 90
> did not leave an L shape trail as I expected, but a diagonal line from
> the start to the finish position.
> Is this how pen trails are supposed to work?  How do I draw a classic
> polygon, where the start and finish positions are the same?
> Currently no pen trail is left at all.
> cheers,
> Simon
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