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Author Topic: Animation Mesh Deforms  (Read 4530 times)
blade
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« on: May 28, 2009, 06:19:48 AM »

Hi,

I'm new at this, I managed to export from 3dmax an animation into TVA file.

However, when I run the animation in truevision, the mesh deforms, like the actor is dragging itself, it looks like sharp triangles pointing in opposite direction as actor moves.

Is there anything I should change or look into?

Many thanks for your help.
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pabloescobar
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« Reply #1 on: May 28, 2009, 08:00:40 AM »

I had this problem some time ago. You must be sure ALL vertex have 100% bone influence, otherwise those vertexes will stand in same place, while other vertex will animate with the bone (causing this odd effect).
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blade
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« Reply #2 on: May 28, 2009, 09:40:36 AM »

Pablo,

Thanks for your response, I think you are right, but maybe you can explain what I need to do?

In 3D max it looks good, no problems. I checked it now in the Model Viewer (.x and tva) and here it is the same problem as in my TrueVision app.

How do I check 100% bone influence for all vertex? As you can guess, I'm also new with 3D max.

Thanks and regards.

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pabloescobar
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« Reply #3 on: May 30, 2009, 01:14:47 PM »

Dont have any function that do this for you.. its a very boring task. So, its better you do correcly first, to avoid this later.

The way i do:
Normally, just after i use the Skin modifier, i just set all vertex to 0 (zero) influence... then i start, bone by bone, ajusting the influences until i get 100%... at end, all vertex are ok.
I have abit more work this way, but im 100% sure all vertex are fine and also i have more "freedom" to do fine-tunning on some parts of model.
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SylvainTV
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« Reply #4 on: June 01, 2009, 06:52:51 AM »

Make sure also that there is no more than 4 bone influences per vertex.

With the skin modifier, you can have a table with all bone influences in MAX as far as I know, you can see if one vertex hasn't any influence or too many.
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Regards

Sylvain Dupont
TrueVision3D Developer
sylvain@truevision3d.com

TV3D IRC at http://chat.truevision3d.com or on server irc.truevision3d.com #Truevision3D. Come talk with us !
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