[osg-users] osgAnimation Help

Cedric Pinson mornifle at plopbyte.net
Sat Mar 28 18:02:34 PDT 2009


Hi Ugras,
There is no IK a the moment, for all others points Alberto tells 
everything i would say.
If you want to add IK to osgAnimation i will be happy to discuss about 
it with you.

Cheers,
Cedric

Ugras Erdogan wrote:
> Thanks for your replies Alberto, I'll take a look at the bundled examples and contact with Cedric Pinson for the IK issue...
> Regards,
> Ugras
>
>
>
>
> ________________________________
> From: Alberto Luaces <aluaces at udc.es>
> To: OpenSceneGraph Users <osg-users at lists.openscenegraph.org>
> Sent: Saturday, March 28, 2009 4:31:23 PM
> Subject: Re: [osg-users] osgAnimation Help
>
> Hello Ugras,
>
> El Sábado 28 Marzo 2009ES 13:20:44 Ugras Erdogan escribió:
>   
>> Dear all,
>>       I've been trying to perform a skeletal based animation for a mesh
>> model and rather new to osgAnimation nodekit. 
>> 1) Is it possible with 
>> osgAnimation toolkit? Or should I refer to osgCal wrapper?
>>     
>
> Yes, you can do it with osgAnimation.
>
>   
>> 2) Should I 
>> prepare the bone hierarchy and attach it to the mesh model in a software
>> (skinning) such as 3DS max and then import in osg or all these can be
>> readily done in osg?
>>     
>
> You can do it in both ways.. 
>
>   
>> 3) If the above procedures can readily be done via 
>> osgAnimation, what is the deformation rule for the models ie. how do the
>> inverse kinematics are calculated? And for the deformations while animation
>> is it just enough to control the bone positions? 
>>     
>
> I think IK is not implemented yet. Cedric Pinson can tell you more about this.
> As for the deformations, they are calculated with the weights of the mesh plus 
> the bone transformations.
>
>   
>> 4) Is there any good 
>> tutorial on the subject besides the bundled osg codes for a new starter in
>> osgAnimation nodekit I'll be very pleased if you reply...
>>     
>
> I'm afraid this is the only documentation available, in addition to the 
> doxygen guides. However I must say that the osgAnimation examples are very 
> instructive.
>
> Regards,
>
> Alberto
>
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-- 
+33 (0) 6 63 20 03 56  Cedric Pinson mailto:mornifle at plopbyte.net http://www.plopbyte.net





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