[Bf-gamedev] New Bullet version and Featherstone

[Jacob Merrill]

Where is the Bge mailing list?
On Nov 2, 2013 8:58 PM, "Daniel Stokes" <kupomail at gmail.com> wrote:

> As a reminder, this mailing list is not intended for requesting BGE
> specific features. It is more to discuss improvements to Blender for use in
> developing game assets.
>
> Regards,
> Daniel Stokes
>
>
> On Sat, Nov 2, 2013 at 2:10 PM, Jacob Merrill <blueprintrandom1 at gmail.com>wrote:
>
>> The new Bullet 2.82 SDK is available for download. It allows for higher
>> quality physics simulation, suitable for robotics, using the Featherstone
>> articulated body algorithm. The release also introduces a new Mixed Linear
>> Complementarity Problem (MLCP) solver interface, with various direct solver
>> implementations. Read more here.
>>
>> Our focus is now on integrating all Bullet 2.x features into the upcoming
>> Bullet 3.x SDK. You can learn more about its progress in our SIGGRAPH
>> course notes on GPU rigid body simulation at the Multithreading and VFX
>> website.
>>
>> So in 1 paragraph they talked about both multithreading and
>> Featherstone,  this may be why I was confused,
>>  On Nov 1, 2013 12:20 PM, "Arnaud Degroote" <arnaud.degroote at laas.fr>
>> wrote:
>>
>>> On 01/Nov - 09:53, Jacob Merrill wrote:
>>> > Featherstone allows for Inverse kinematics for 6dof chains in real
>>> time.
>>> > Allowing animation using objects that physically interact, or for
>>> robotics
>>> > control/ emulation
>>> > On Nov 1, 2013 9:50 AM, "Jacob Merrill" <blueprintrandom1 at gmail.com>
>>> wrote:
>>> >
>>> > > I have been using 6dof solvers to animate, and it works amazing but
>>> it's
>>> > > rather resource intensive, but is dynamic and can be pushed, yanked
>>> etc.
>>> > >
>>> > > http://www.youtube.com/watch?v=s57ipxhXBS4
>>> > > On Nov 1, 2013 9:41 AM, "Mitchell Stokes" <mogurijin at gmail.com>
>>> wrote:
>>> > >
>>> > >> Solving 6dof joint constraints is not a bottleneck (at least in any
>>> BGE
>>> > >> game I've looked at). So, it's not currently worth our time to spend
>>> > >> development resources speeding it up. That being said, you (or
>>> anyone else)
>>> > >> are more than welcome to create a patch.
>>> > >>
>>>
>>> Just to add we develop a robotic simulator using blender / game engine
>>> (morse.openrobots.org) and we will be really interested by this feature
>>> to simulate in a smarter way complex armature.
>>>
>>> Best regards,
>>>
>>> --
>>> Arnaud Degroote
>>> Postdoc
>>> RIA LAAS - CNRS
>>>
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>>>
>>>
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