We are using "Skin and Bones" using Java3D GeometryUpdate interface and
By-Ref geometry. That means only the transforms are animated and the
geometry is transformed in the GeometryUpdater based on it's bones
transforms.
The animation's data is procedural and keyframe based using
interpolators (ours not Java3D) and animation data files. The
animations are built in Maya. The models and built in Creator and Maya
and import using our OpenFLT loader.
As far as motion capture, for gaming that is the way to go. But Java
doesn't need to know anything about where the animation data came from.
The motion capture data is processed (mapped, cleaned up. etc.) in
Maya and then output to the same animation file used for "regular"
animations, which is the position and rotational keyframes.
Hope that helps.
Liming CHEN wrote:
> Hi, Shawn,
>
> I am concerned about how to animate 3D characters (built from Java3D) in a virtual
> environment. What approaches have you used in your project? Do you use 3DS to VRML
> to Java playback or directly apply motion capture data to the Java4D skeletal
> model?
>
> cheers
>
> Liming
>
> Kendall wrote:
>
>
>> We are right in the middle of such a project. We have very basic skinning
>> using the GeometryUpdater interface. The internal version of our OpenFLT
>> loader now supports Java3D Morph nodes, which we use for facial animation and
>> hands etc. However, we do not have an animation playback system yet. Current,
>> the users of our system are students whose assignment is to code the animation
>> so they learn about scene graph structure, matrices etc.
>>
>> So an animation playback system is next on our list for this year.
>> I would be interested in any group doing this with java3D.
>>
>> Yan Laporte wrote:
>>
>>
>>> I know this subject has been discussed a few times over in this list but I
>>> haven't been able to find a suitable clear answer.
>>>
>>> Is there a framework to work with 3D avatars or characters in Java3D?
>>>
>>> I am aware of the H-Anim and MPEG4 specs but as far as I am concerned those
>>> are file formats. What I'd like to know is is there some Java3D code that
>>> manages 3D characters? Of course it would be better if it was using those
>>> standards.
>>>
>>> I have a small toolkit for working with 3D avatars myself.. I want to find
>>> an established one to make my next version so I can concertrate on the AI
>>> and speech instead of managing the geometry.
>>>
>>> I hope something comes out of this...
>>>
>>> If no one has anything, I'd be interested to form a team so we can get done
>>> with it.
>>
>
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--
___________________________________________________________
Shawn Kendall Full Sail Real World Education
Course Director 3300 University BLVD
Real Time 3D for Gaming Winter Park FL 32792
[EMAIL PROTECTED] http://www.fullsail.com
___________________________________________________________
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