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Physics Simulation Export from blender #288066
09/03/09 21:30
09/03/09 21:30
Joined: Sep 2003
Posts: 5,900
Bielefeld, Germany
Pappenheimer Offline OP
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Pappenheimer  Offline OP
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Joined: Sep 2003
Posts: 5,900
Bielefeld, Germany
I was fiddling around with cloth physics in blender and tried to export it with the baked physics animation.
Neither with exporting it via fbx nor exporting it with ventilator's exporters to mdl does work for me.

Is there anyone who tried it yet?

Here is a link to the related blender page with example blend files:
http://wiki.blender.org/index.php/Doc:Manual/Physics/Clothes

I used a similar file to the flag example.

EDIT 2:

Just tested the examples on the mentioned page, and they are very slow.
Google for "continue_physics.blend", that's a blend file that is fast and easy to test the animation and baking etc.

Last edited by Pappenheimer; 09/04/09 10:31.
Re: Physics Simulation Export from blender [Re: Pappenheimer] #288704
09/08/09 09:00
09/08/09 09:00
Joined: Apr 2008
Posts: 2,488
ratchet Offline
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ratchet  Offline
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In fact you would need to export the animation resulting from the physics and not physics themselves.

I don't know any 3D engine having physics clothes easy to apply and working well on characters !

For A8 laugh ?

Re: Physics Simulation Export from blender [Re: ratchet] #288709
09/08/09 09:34
09/08/09 09:34
Joined: Sep 2003
Posts: 5,900
Bielefeld, Germany
Pappenheimer Offline OP
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Pappenheimer  Offline OP
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Bielefeld, Germany
Originally Posted By: ratchet
In fact you would need to export the animation resulting from the physics and not physics themselves.

That's exactly what I tried, I know that I can't export the physics themselves.

Re: Physics Simulation Export from blender [Re: Pappenheimer] #288746
09/08/09 12:21
09/08/09 12:21
Joined: Apr 2008
Posts: 2,488
ratchet Offline
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ratchet  Offline
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I think caus physics of clothes are not attached to an armature and bones !

Have you tried export in vertex mode only with Ventilator plugin ?

I think you should try to find some real time cloth physics solution : never seen in indie engines !

Best method :
Create some clothes having some bones and animate them.
It's not physic simulation, just faked animation, but it works and can look very good !

Re: Physics Simulation Export from blender [Re: ratchet] #288748
09/08/09 12:31
09/08/09 12:31
Joined: May 2002
Posts: 7,441
ventilator Offline
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ventilator  Offline
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i just tested it with continue_physics.blend and it works fine for me. you have to bake the cloth animation first and then export it as vertex animation with my mdl7 exporter.

Re: Physics Simulation Export from blender [Re: ventilator] #288749
09/08/09 12:33
09/08/09 12:33
Joined: Apr 2008
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ratchet Offline
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ratchet  Offline
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Great to know Ventilator laugh

I never used physics with Blender ,what is continue_physics.blend ?
Does the clothes bend well around character ?

Re: Physics Simulation Export from blender [Re: ratchet] #288753
09/08/09 12:46
09/08/09 12:46
Joined: Sep 2003
Posts: 5,900
Bielefeld, Germany
Pappenheimer Offline OP
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Pappenheimer  Offline OP
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Posts: 5,900
Bielefeld, Germany
continue_physics.blend is only an example file from the internet, because I don't want to bother anyone to build up an example with cloth physics to test my issue. You can use the feature cloth physics independently of that file.
Here is the related site:
http://wiki.blender.org/index.php/Doc:Manual/Physics/Clothes

Thanks, ventilator, I always seem to miss something simple - I'll try it again, although I thought, that I did it in that way, as well.

EDIT:
I probably doing somethin wrong with writing the animation in the exporter:
- I set a name in the action: "wind"
- in the exporter dialog I choose: export animation
- I write into name: "wind" (without quotation marks)
- I write into frames: "250" (without quotation marks)
- I choose "v" and export it
but there's only one frame in the mdl

Last edited by Pappenheimer; 09/08/09 13:00.
Re: Physics Simulation Export from blender [Re: Pappenheimer] #288757
09/08/09 13:09
09/08/09 13:09
Joined: Mar 2006
Posts: 3,538
WA, Australia
J
JibbSmart Offline
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JibbSmart  Offline
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J

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Posts: 3,538
WA, Australia
I'm sure Ventilator's exporter requires that each frame be indicated, so "250" will just export the 250th frame.

Jibb


Formerly known as JulzMighty.
I made KarBOOM!
Re: Physics Simulation Export from blender [Re: JibbSmart] #288758
09/08/09 13:18
09/08/09 13:18
Joined: May 2002
Posts: 7,441
ventilator Offline
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ventilator  Offline
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yes, it's a bit cumbersome to enter animation sequences.

export_gs_mdl7.py
here is an exporter version that supports entering animation sequences like that: 1:250:2 (start frame : end frame : step size)


Re: Physics Simulation Export from blender [Re: ventilator] #288769
09/08/09 13:52
09/08/09 13:52
Joined: May 2002
Posts: 7,441
ventilator Offline
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ventilator  Offline
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does anyone have an idea how cloth animation (for example a cape) that loops without jerks for walk and run cycles could be achieved? because otherwise using baked cloth animation for game characters is a bit useless if there are annoying jerks.

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