[Bf-committers] Question about external Blender interface

[Jacob Merrill]

If this allowed accelerometer data and dead reckoning it would allow for
old phones to become 3d mice....
On Apr 5, 2014 10:23 AM, "Toni Alatalo" <toni at playsign.net> wrote:

> i did this kind of thing a hundred years ago with py in the 2.25 game
> engine or so. i think it will work in current normal blender ui
> because i think there is now a way to hook a python function to be
> called periodically.
>
> in a periodically updated py func you can poll your socket for
> incoming data in an async/non-blocking way. that way you can handle
> input from external sources but still not block the main ui.
>
> python 3 seems to have a nice looking revised lib for that,
> https://docs.python.org/3.4/library/asyncio.html#module-asyncio . back
> in the ancient bge experiment i think i used just the basic socket
> api's select(). otherwise when doing this recently in a different app
> i used the Circuits Python library but I bet that asyncio is simple
> and nice with py 3 now.
>
> so given that you can hook blender to call your network-reader
> periodically it should be straightforward - i can try to help if there
> are trouble with the async socket reading. i wouldn't go via any DB
> system for things similar to mouse dragging & button clicks.
>
> ~Toni
>
> On Sat, Apr 5, 2014 at 2:57 AM, <pablo /> <pablojmuratore at gmail.com>
> wrote:
> > My original idea (crazy as it might be) was to develop an app in Android
> > that could be used to control Blender.
> > Imaging like dragging two fingers on the screen to rotate the screen, 3
> > fingers to rotate the element, buttons to do specific functions and the
> > like.
> > Mainly the screen and objects rotation would require high bandwidth which
> > I'm not sure using SQLite would cover, that's why I was asking if it
> could
> > be done using with a python add-on.
> > I really don't know if that's possible but wanted to know about it and
> > think it's a very interesting project.
> > If a blender add-on could start socket with python then I will start
> > digging into add-on development and find out the way.
> > Another advantage is that if Blender can expose a socket then users will
> > not need to install anything else on their computers to make the
> connection
> > with the devices.
> > This will allow a tablet/phone or whatever connect to the computer:socket
> > directly.
> >
> > Well that's my ideal, from there all I have to know what's possible (or
> > could be developed to make it possible) and what isn't.
> >
> > Cheers,
> > Pablo
> >
> >
> >
> > On Fri, Apr 4, 2014 at 6:00 PM, W. Nelson <indigitalspace at yahoo.com>
> wrote:
> >
> >> In #blenderpython on freenode.net a couple other coders and I have
> talked
> >> about similar ideas a few times recently.  When I get a chance to post
> my
> >> notes I will share them.
> >>
> >> We recently talked about PyQT as module and SQLite.  Using SQLite for a
> >> messaging system instead of using sockets.  Sockets are probably the
> best
> >> way to go though.
> >>
> >> The hardest part we decided was the messaging system and the timing of
> >> it.  Also keeping any C code additions to Blender to a minimum.
>  Hopefully
> >> it can all be done it Python.  That was the hope using SQLite
> transactions
> >> as a messaging system.
> >>
> >> I will add more when I have more time.  This is an interesting topic to
> me
> >> also.
> >>
> >> JTa
> >>
> >>
> >>
> >>
> >> ________________________________
> >>  From: "<pablo />" <pablojmuratore at gmail.com>
> >> To: bf-blender developers <bf-committers at blender.org>
> >> Sent: Friday, April 4, 2014 10:16 AM
> >> Subject: Re: [Bf-committers] Question about external Blender interface
> >>
> >>
> >> Thanks for answering!
> >> I don´t know anything (yet) about python dev inside Blender, could it be
> >> possible to implement it as a plugin?
> >> I´m interested and could dedicate some time in this topic and think
> doing
> >> it would help the project.
> >>
> >> Regards,
> >> Pablo
> >>
> >>
> >> On Fri, Apr 4, 2014 at 1:16 PM, Dalai Felinto <dfelinto at gmail.com>
> wrote:
> >>
> >> > Hi Pablo,
> >> >
> >> > This can be implemented via Python, but you will need to handle all
> >> > the socket connectivity part.
> >> >
> >> > It would be nice to have this built-in in Blender (maybe as new
> >> > bpy.app.handlers). But I don't think anyone is working on this it at
> >> > the moment.
> >> >
> >> > Dalai
> >> > --
> >> > blendernetwork.org/dalai-felinto
> >> > www.dalaifelinto.com
> >> >
> >> >
> >> > 2014-04-04 13:05 GMT-03:00 <pablo /> <pablojmuratore at gmail.com>:
> >> > > Hi,
> >> > >
> >> > > * My background:
> >> > >
> >> > > I started using Blender a couple of months ago, I´ve been always a
> fan
> >> of
> >> > > 3D and Blender in general since I think it´s an excellent product.
> >> > > I work as a Web and Android developer
> >> > >
> >> > > * The object of the email:
> >> > >
> >> > > Ultimately when using Blender, I thought about using all 5 mouse
> >> buttons
> >> > > then it came to me that I have a Joystick with 3d movement and lots
> of
> >> > > buttons would be interesting using it with blender.
> >> > > Finally I came to the idea of developing an Android application to
> >> > replace
> >> > > the main use of the keyboard.
> >> > >
> >> > > What I don´t know is if Blender allows any kind of connectivity out
> of
> >> > the
> >> > > app.
> >> > > For example, it could use a port or something to which apps could
> >> connect
> >> > > and send in commands, or something else you guys might think of.
> >> > > The possibilities are really big since virtually anything could be
> used
> >> > to
> >> > > control blender.
> >> > >
> >> > > I would like to know if this is possible and if there are already
> >> efforts
> >> > > towards it, I couldn´t find any info on the Web.
> >> > >
> >> > > If this is not the right place to post please let me know.
> >> > >
> >> > > Thanks!
> >> > > Pablo
> >> > > _______________________________________________
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> >> > > Bf-committers at blender.org
> >> > > http://lists.blender.org/mailman/listinfo/bf-committers
> >>
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