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Ragdoll problems with cloth physics

In the same moment you start to simulate physics on a skeletal mesh (ragdoll), the clothing on that skeletal mesh will stretch across the screen.

This happens immediately after simulating physics. You can see the clothes stretching around for 1-2 frames (looks a little bit like the clothing is flickering for a second) and after that the cloth physics react normal for the remaining ragdoll time..

You can simply reproduce this by starting ragdoll on a skeletal mesh with cloth

Since the build in clothing tools are still experimental, i guess this could be a bug?

Product Version: UE 4.17
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asked Sep 17 '17 at 07:40 PM in Bug Reports

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avatar image OmniMachina Sep 26 '17 at 03:44 PM

So I researched a little bit and I kinda fixed it

I dont know if this is the right way to fix it, but it looks much better now..

You can set the "cloth blend weight" of the skeletal mesh to 0 just before starting to ragdoll. After a short delay set the "cloth blend weight" back to 1. This Method will skip the frames when the flickering happens. Looks a little bit weird but it's ok.

I did not try to interp the "cloth blend weight" value yet. Maybe this will smooth the process even more

avatar image OmniMachina Oct 24 '17 at 05:41 PM

Unreal Engine 4.18 is available now.

Does anyone know if 4.18 fixed the flickering clothing bug?

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