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Wire Deformation Twitch

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ProceduralFrankie
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Hello everyone,

I am experimenting with wire deformer sop. I animated a line with a sine wave and deformed a snake geo with it. Now, the main problem i have is that there is a regular twitch (it can be seen better in wireframe mode ) that supposedly comes from the animation but i can't figure out how to eliminate it. Any ideas?


Many thanks
Francesco

Attachments:
Snakes_WireSim_Twitch.hipnc (1.6 MB)

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Mohanpugaz
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Had a look at your file.
It has few things to fix.
  • do not resample the curve after the point sop animation. (tip : use blendshapes sop to create a pose to match the snake pose after you point sop)
  • the point count on the rest and deforming ideally should be equal.
  • on your wire deform node > blending > set this to Biased or weighted

That it your snake wont have those weird twitch.

Thanks let me know if this helps
Edited by Mohanpugaz - Dec. 20, 2018 09:10:36

Attachments:
Snakes_WireSim_Twitch_fix.hipnc (1.7 MB)

Mohan Pugaz
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ProceduralFrankie
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Thank you Mohanpugaz,
the blendign mode made the trick!Thank you very much! Now to develop this further, how could i feed this into a simulation in order to make multiple snakes interact with each others and overlap?

Thank you again
Francesco
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