[Etoys] Avoiding batching of script execution

Karl Ramberg karlramberg at gmail.com
Sat Oct 11 13:42:09 EDT 2008

Bert Freudenberg wrote:
> Am 11.10.2008 um 16:34 schrieb Karl Ramberg:
>> Bert Freudenberg wrote:
>>> Am 11.10.2008 um 14:12 schrieb karl:
>>>> I have made a Lidenmayer drawing system (again) with branching,  
>>>> but  I'm
>>>> running into a issue where the script works fine on single step but
>>>> batch stuff together in ticking mode. Is there a way to force the   
>>>> update
>>>> between each tick ?
>>>> I've turned batching pentrails on and of but it does not seem to  
>>>> be  the
>>>> issue here.
>>> Should work ... can you upload the project somewhere?
>> http://wiki.laptop.org/images/c/c2/New_draw_system.011.pr
>> Press button 'Ellipse startRegenerate' then 'Ellipse startDrawing'  
>> this will batch the drawing.
>> Press button 'Ellipse startRegenerate' again then single step script  
>> 'Ellipse draw' in the viewer, this works.
> Nice project!
> That is indeed a mysterious bug. Holding down the exclamation button  
> indeed draws everything fine - even when setting generations to 1 or 2  
> before startRegenerating.
> And when setting generations to 1 another bug manifests: when setting  
> to tick, the ellipse jumps to the lower left at some point.
> I have no idea what's going on, or even how to debug this - will have  
> to wait to next week (we're writing a paper ...).
Thanks for looking at this.
The problem must be in my script that sets the new heading and location, 
it seems to ignore the changes to Ellipse all together.
I tested to change that script to do other stuff to Ellipse but the 
changes were ignored. I'm very curious to why
this happens...


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