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using proxies for soft body simulations

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Fernando Huezo
using proxies for soft body simulations
on Mar 30, 2018 at 6:07:31 pm

Hi to all!

I am find a way to optimize the softbody simulation with a lot of objects in a cloner

Its possible create a simulation with a low poly objects, bake and after replace them for the high res mesh like Maya or Houdini?

I tried with a instance refering to the low poly mesh and sim, after bake I replace the reference for the high mesh but lost the softbody deformation

I share my scene

12304_softbodyproxyc4d.c4d.zip

Help please!


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Brian Jones
Re: using proxies for soft body simulations
on Mar 31, 2018 at 5:03:57 pm

yes it's possible but I'm out of time for the moment. You can use a Mesh Deformer but the order of the steps is very important. I'll post later when I'm back.


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Brian Jones
Re: using proxies for soft body simulations
on Mar 31, 2018 at 10:15:30 pm

Not sure if this is the right version of the file or not (or if there’s a better way) as I’m doing this off the phone and I domt remember if it’s saved at home or not...
If it’s working— in this example I used spheres as the deformation is easier to see. It uses a Mesh deformer to use the proxies shape and is a child of the proxy in the cloner to follow it. The order of putting it together is very important though
- both proxy and high need to be editable (the Mesh deformer needs that)
- the proxy has to be a bit bigger to contain the volume (at least in my testing) - a problem in the example since it’s a sphere and simpler, a bit more detail in the proxy would help but it will be dead easy for cubes I would think
- drop the proxy into the deformer’s Cages slot do not initialize yet
- cache the dynamics
- initialize the Mesh deformer
- fix the visibility (the deformer adds tags)

12306_softbodyproxyc4d.c4d.zip


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Fernando Huezo
Re: using proxies for soft body simulations
on Apr 1, 2018 at 10:51:19 pm

Hello Brian Jones!

First that all thank you very much this really works very well!

the method is a bit complicated compared to the workflow of Houdini or Maya, I think it might be possible using xRef or intance to be more procedural, I'm not sure but I'll try and tell you later

again thank you very much!!!! +100


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Brian Jones
Re: using proxies for soft body simulations
on Apr 1, 2018 at 10:52:28 pm

as I said it might not be the best way, hopefully there's a better one


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Fernando Huezo
Re: using proxies for soft body simulations
on Apr 1, 2018 at 11:10:46 pm

I just tried but it failed haha 😂

So I´ll keep using your method

thanks!!!


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