[Sugar-devel] Physics activity development

[Alex Levenson]

Oh, and I don't know if it's still around, but jhbuild was pretty useful if
you don't have an xo to work on.
Alex

On Tue, May 26, 2009 at 9:15 PM, Alex Levenson <alev742 at gwmail.gwu.edu>wrote:

> A little background information. In the process of creating x2o, I created
> Physics! sort of as a demo. So a lot of things are further along in x2o
> because Physics! was sort of my sandbox for creating x2o. So if you want to
> polish off Physics!, please take a look at what I did with x2o, which
> integrates with the journal.
> Alex
>
>
> On Tue, May 26, 2009 at 9:00 PM, Asaf Paris Mandoki <asafpm at gmail.com>wrote:
>
>> Hi,
>>
>> I would like to get started adding the play/pause button and the pin
>> button. Probably the next step is to integrate the activity with the
>> journal. The only problem is that I haven't been able to get my development
>> environment working. It seems there are some open issues with ubuntu. My
>> plan right now is to wait until the Ubuntu issues are fixed. Any suggestions
>> for a better setup? The only thing I have working now is a virtualbox
>> environment where i've been testing the activity and found some bugs. I saw
>> a commit with the "joystick" feature removed. Is the base code ready to
>> start adding the minor button changes?
>>
>> Thanks,
>> Asaf
>>
>>
>>
>> On Mon, May 25, 2009 at 2:17 AM, Brian Jordan <bcjordan at gmail.com> wrote:
>>
>>> On Sun, May 24, 2009 at 8:59 PM, Gary C Martin <gary at garycmartin.com>
>>> wrote:
>>> > Hi Brian,
>>> >
>>> > On 24 May 2009, at 18:36, Brian Jordan wrote:
>>> >
>>> >> Hey all,
>>> >>
>>> >> Gary -- when you get a chance, can you add me as a committer on
>>> >> git.sl.o?  I'd like to help clean things up!
>>> >
>>> > You're added! :-)
>>> >
>>> > Can I request we try and make small clean commits and try to let others
>>> know
>>> > what we are doing. If you want to hack, Gitorious supports quite a nice
>>> > 'Clone repository' and then 'Request merge' process (no commit rights
>>> needed
>>> > for the main project). The alternative, if you know what you are doing,
>>> is
>>> > just make your own local git branch to hack on, so you can take care of
>>> any
>>> > merge/conflict issues yourself when you fold it back into the current
>>> > master.
>>> >
>>> > I'm far from a git expert, but I can recommend some bed time reading
>>> at:
>>> >
>>> >        http://www.eecs.harvard.edu/~cduan/technical/git/<http://www.eecs.harvard.edu/%7Ecduan/technical/git/>
>>> >
>>> > and/or
>>> >
>>> >        http://gitready.com/
>>> >
>>>
>>> Thank you, will devote some to that!  Need to learn to keep my crazy
>>> features in branches.
>>>
>>> > I'd like to get on with Labyrinth work, if you're willing to have an
>>> initial
>>> > clean up of the Physics source in the next few days... so what was
>>> > 'joysitck' feature all about? ;-)
>>>
>>> This would probably be best to describe on the wiki page, the idea was
>>> to make a UI for assigning keys on the XO-1 to impulses or changes on
>>> certain objects, so simple 2 player physics based games could be made
>>> from within Physics.
>>>
>>> Agreed, though, I will rid that from the code so we have a nice base
>>> line for crazy-feature branches.
>>>
>>> > Once the dev.sugarlabs.org component is added we should add the
>>> > features/bugs in there to keep them all together. FWIW, from a UI point
>>> of
>>> > view I had in mind:
>>> >
>>> > 1) remove/disable 'joysitick' feature as I have no idea what it was
>>> meant to
>>> > be ;-)
>>> > 2) build tool buttons correctly using RadioToolButton so they display
>>> state
>>> > correctly
>>> > 3) use set_accelerator to define visible keyboard shortcuts for the
>>> tools
>>> >
>>> >> Asaf -- do you have a http://git.sugarlabs.org account yet?
>>> >>
>>> >> This is some feedback from Asaf (these could fit as enhancements in
>>> >> http://dev.sugarlabs.org/ ):
>>> >>
>>> >>> While playing with the activity I found a "pause" button to stop time
>>> >>> could be very useful. It's complicated to build elaborate
>>> contraptions
>>> >>> if everything keeps falling. Maybe while everything is paused,
>>> >>> positions an velocities of objects could be modified.
>>> >>>
>>> >>> A minor modification I suggest is to create a separate button for
>>> >>> adding push pins. It is not intuitive to add them using the link
>>> tool.
>>> >>> If there are plans about creating tutorial levels this isn't that
>>> >>> necessary although I don't see any harm on adding it.
>>> >>>
>>> >>> An other thing I think could be grate is to be able to create
>>> >>> attractors an repulsors. With stuff like this it gets pretty
>>> >>> interesting, we could have objects orbiting around the attractors.
>>> >
>>> > Yes, all good stuff, there's also a list on
>>> > http://wiki.laptop.org/go/Physics_%28activity%29 as well, but I'd vote
>>> for
>>> > cleaning up what we have first, perhaps adding a play/pause, and
>>> keeping
>>> > Journal state so kids can actually keep their Physics creations (and
>>> send
>>> > them to friends when using sugar 0.84).
>>>
>>> +1 +1 +1
>>>
>>> Brian
>>>
>>> >
>>> > Regards,
>>> > --Gary
>>> >
>>> >> Thanks
>>> >>
>>> >> Brian
>>> >>
>>> >> On Sun, May 24, 2009 at 4:17 PM, Gary C Martin <gary at garycmartin.com>
>>> >> wrote:
>>> >>>
>>> >>> Hey Brian,
>>> >>>
>>> >>> On 24 May 2009, at 13:57, Brian Jordan wrote:
>>> >>>
>>> >>>> Hey Gary,
>>> >>>>
>>> >>>> First, I'm attaching Asaf Paris Mandoki, who contacted me last week
>>> >>>> with an interest in developing on the Physics activity, and has
>>> great
>>> >>>> ideas of things to add.  This is a great opportunity!  :)
>>> >>>>
>>> >>>> I can handle getting Physics on gitorious, the bug tracker and
>>> a.sl.o.
>>> >>>> I will try to complete this by the end of today.
>>> >>>
>>> >>> Having chatted with Alex Levenson, I've already kicked off the
>>> migration
>>> >>> for
>>> >>> Physics (rep is now in Gitorious, trac request is in, and I've
>>> started to
>>> >>> poke at the code, running well at least in sugar-jhbuild and sugar
>>> 0.84).
>>> >>> X2o is next on my hit list once Physics is in a reasonable state.
>>> >>>
>>> >>>> The things I can use some help with are (1) integrating proper
>>> >>>> localization to the activity and
>>> >>>
>>> >>> Yep, I'm going to do a pass at the code and tidy up some partially
>>> >>> implemented / broken UI stuff, before requesting it's addition to
>>> pootle
>>> >>> (best to start with a reasonably stable set of strings). Would also
>>> like
>>> >>> to
>>> >>> get/text resolution independence (for non XO hardware) and get the
>>> scene
>>> >>> state saving to Journal...
>>> >>>
>>> >>> Want to get the basics out the way first before we break it again
>>> with
>>> >>> exciting new features ;-)
>>> >>>
>>> >>>> (2) figuring out a good way to include the pybox2d source in the git
>>> >>>> repository, while including an
>>> >>>> F9-compatible binary on a.sl.o (this was brought up w.r.t. Pippy a
>>> >>>> couple of times on the fedora devel lists, but I don't remember
>>> seeing
>>> >>>> a clear way of how to handle it).
>>> >>>
>>> >>> Yea I was worried this might be an issue needing resolved, it's not
>>> my
>>> >>> area
>>> >>> of speciality, I'll need to take a deeper look at the source.
>>> >>>
>>> >>>> Thanks for the ping and your help!!
>>> >>>
>>> >>> No, thank you! I was expecting a wall of silence :-)
>>> >>>
>>> >>> Regards,
>>> >>> --Gary
>>> >>>
>>> >>>> Brian
>>> >>>>
>>> >>>> On Sat, May 23, 2009 at 3:19 PM, Gary C Martin <
>>> gary at garycmartin.com>
>>> >>>> wrote:
>>> >>>>>
>>> >>>>> Hi Guys,
>>> >>>>>
>>> >>>>> I'm making contact to see if any of you are still interested in
>>> >>>>> developing
>>> >>>>> your great Physics activity? Most of the active activity
>>> development
>>> >>>>> has
>>> >>>>> now
>>> >>>>> moved over to Sugar Labs infrastructure, and we've been getting
>>> some
>>> >>>>> requests for localising Physics.
>>> >>>>>
>>> >>>>> We have a Gitorious based source repository (there's no admin
>>> request
>>> >>>>> procedure, you can just register an account and migrate/create a
>>> >>>>> project):
>>> >>>>>
>>> >>>>>      http://git.sugarlabs.org/
>>> >>>>>
>>> >>>>> Our bug-tracker trac is at:
>>> >>>>>
>>> >>>>>      http://dev.sugarlabs.org/
>>> >>>>>
>>> >>>>> For activity distribution, Sugar Labs is customising Mozilla
>>> addon's
>>> >>>>> web
>>> >>>>> front/back end (we're trying to encourage activity developers to
>>> post
>>> >>>>> there
>>> >>>>> activity bundles here), it's still a little ugly but the theme/UI
>>> is
>>> >>>>> still a
>>> >>>>> work in progress :-)
>>> >>>>>
>>> >>>>>      http://activities.sugarlabs.org/
>>> >>>>>
>>> >>>>> If no one is available to help, I'd be happy to migrate Physics
>>> over to
>>> >>>>> the
>>> >>>>> Sugar Labs infrastructure, get it added to pootle so we can start
>>> >>>>> localisation and make sure bundles get released for easy download
>>> and
>>> >>>>> inclusion in images/distrobutions. If someone finds they have some
>>> time
>>> >>>>> to
>>> >>>>> come back later just ping me and I can easily add extra commiters;
>>> >>>>> though
>>> >>>>> with Gitorious, any one can branch anything, hack a bit, then
>>> submit a
>>> >>>>> merge
>>> >>>>> request (great workflow for dipping in and out of projects).
>>> >>>>>
>>> >>>>> Kind Regards,
>>> >>>>> Gary C Martin
>>> >>>>> Sugar Labs Activity Team
>>> >>>>> http://wiki.sugarlabs.org/go/Activity_Team
>>> >>>>>
>>> >>>
>>> >>>
>>> >
>>> >
>>>
>>>
>>>
>>> --
>>> Brian Jordan
>>> OLPC Learning Team Technical Contractor
>>> Mobile Phone: +250 0783864924
>>> Skype: bcjordan
>>>
>>
>>
>
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