Forums Technical Discussion Vellum Inflate.

Vellum Inflate.

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stardent2000
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Hi…
Just looking at the docs - how is the effect at the beginning of the video achieved?

http://www.sidefx.com/docs/houdini/shelf/vellumballoon.html#working-with-vellum-balloon [www.sidefx.com]

I can find no way of actually inflating/deflating Vellum.

Maybe we can get the hip file used?

Cheers!
Nick
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anon_user_37409885
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You can use vellumconstraintpropertyDOP to animate the Compression Stiffness.
Edited by anon_user_37409885 - 2019年1月21日 17:28:09

Attachments:
iNFLATE_DEFLATE.hipnc (638.0 KB)
Infalte_c.gif (708.2 KB)

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imagee
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Basically you have to add an additional force on each vertex that points in the direction of its normal. That's all inflation really is. there's a good thread on it somewhere, I'll see if I can find it
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