[Edu-sig] xturtle online via processing.js !?

[Jurgis Pralgauskis]

Let's celebrate!!

not sure, how it's done under the hood, but it works
http://interactivepython.org/courselib/static/thinkcspy/PythonTurtle/helloturtle.html#iteration-simplifies-our-turtle-program

one can even code turtle online!
http://interactivepython.org/courselib/static/thinkcspy/PythonTurtle/helloturtle.html#exercises

ps.: found a link from http://pythontutor.com/ :)
and the source of magic seems to be  https://github.com/bnmnetp/runestone

On Sat, Feb 28, 2009 at 6:50 PM, Andre Roberge <andre.roberge at gmail.com> wrote:
> On Sat, Feb 28, 2009 at 11:07 AM, Jurgis Pralgauskis
> <jurgis.pralgauskis at gmail.com> wrote:
>> Hey, thats cute :)
>>
>
> Thanks. :-)
>
>> 1) I played around, and added Turtle.circle() to actions :)
>> in code its called called circle_forward(self, radius, extent=None)
>> and also aliased as circle
>> you can find it http://files.akl.lt/users/jurgis/python/crunchy/
>>
> Looks nice.
>
>> 1a) seems it would be best to use canvas interface methods,
>> which are already in graphics module (according to DRY phylosophy)
>> or at least decine upon method naming --
>>  which just generate code vs those that pass it to exec_js plugin
>>
>
> I agree... this was (and still is) just an experiment.
>
>> 1b) seems, like  polygons and filling also would not be a big problem
>> https://developer.mozilla.org/en/Canvas_tutorial/Drawing_shapes#section_9
>> for fill you'd just jave to collect the points and then repeat them
>> with fill() at end
>>
> Agreed.
>
>> 2) and also I'd like to make it convert all actions to javacript code at once
>> then it would be easier to implement turtel_js and graphics in other
>> projects --
>> easily escaping crunchy :D
>
> That's a good point.  However, the idea was to be able to control a
> turtle from an interpreter, typing one instruction at a time and
> seeing the result.
>
>> As now for asinchronous update, the server and session must be up all the time
>>
>> 2a) then probably time.sleep would be also good to interface directly to js
>> something like
>> http://groups.google.co.in/group/phpguru/browse_thread/thread/8215dcdc2ac7321c
>>
>> 3) how is it related to server_root/reborg js experiments?
>>
>
> It's not - at least not for now.  The reeborg experiment is an very
> early prototype of an implementation of rur-ple
> (http://rur-ple.sourceforge.net) inside Crunchy.  You can see a
> different version live at
> http://reeborg.world.googlepages.com/reeborg.html
>
> André
>
>> so I'll try sth more tomorrow or in a week-time
>>
>> On Sat, Feb 28, 2009 at 2:18 AM, Andre Roberge <andre.roberge at gmail.com> wrote:
>>> On Fri, Feb 27, 2009 at 6:06 PM, Jurgis Pralgauskis
>>>> but one more thing is I'd like to let access xturtle functionality online
>>>> - one possible way could be triggering tkinter to save its canvas to ps,
>>>> and then convert them with imagemagic and show via web (animated gif or static)
>>>
>>> There's probably a better way: use the html canvas.  I tried to
>>> implement a turtle module to be embedded with Crunchy
>>> (http://code.google.com/p/crunchy) - it is available as a demo
>>> experimental feature.  You could use this as a starting point if you
>>> want.
>>
>> --
>> Jurgis Pralgauskis
>> Don't worry, be happy and make things better ;)
>> http://sagemath.visiems.lt
>>



-- 
Jurgis Pralgauskis
tel: 8-616 77613;
Don't worry, be happy and make things better ;)
http://galvosukykla.lt