[Robotics] Python control of armature in the GE

[Florian Lier]

Hey,

Benoit EXCELLET work - currently I'm about to finish my master thesis - 
in the "old fashioned" way.
I wish I'd the time to test your build...MAYBE I can find some time, if 
so I'll let you know directly!

Cheers, Florian

Benoit Bolsee wrote:
> Hi,
>  
> I have added support for controlling armatures through Python in the 
> GE. This is provided through the new proxy class BL_ArmatureChannel 
> that corresponds to the pose channel structure. Most attributes match 
> directly the Blender bPoseChannel structure but I added a 
> 'joint_rotation' attribute that gives direct access to joint angles. 
> You can use this attribute to set the joint angles from external data 
> or your own calculation and the armature will move according to it. If 
> the armature is controlled by IK, you can read the joint angles 
> computed by the algorithm. Full details is provided in the BPY 
> documentation included in the packages below. Download them if you 
> want to know more about it.
>  
> Other fix in this build is correct matrix operation with MathUtils: 
> http://lists.blender.org/pipermail/bf-blender-cvs/2009-September/022245.html
>  
> For those who want to experiment, I made two builds on graphicall:
>  
> Linux: 
> http://graphicall.org/builds/builds/showbuild.php?action=show&id=1082 
> <http://graphicall.org/builds/builds/showbuild.php?action=show&id=1082>
> Windows: 
> http://graphicall.org/builds/builds/showbuild.php?action=show&id=1080 
> <http://graphicall.org/builds/builds/showbuild.php?action=show&id=1080>
>  
> If your system is not in this list, you can check out the itasc branch 
> and compile. For those interested in the implementation, look at 
> the BL_ArmatureChannel.cpp module in source/gameengine/converter. If 
> you have some ideas to extend the API, you are welcome to make your 
> own additions and send me the diff, I will review and commit them to SVN.
>  
> The itasc branch will be merged with 2.5 in the coming days, it would 
> be nice to get some feedback before I start the merge.
>  
> /benoit.
>  
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