guo li

guoli

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gaozhou, China
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Houdini Skills

BEGINNER
Procedural Modeling  | Character Rigging  | Animation

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Recent Forum Posts

Building a Procedural Curve-Driven Lip Rig with Dynamic Weld April 17, 2026, 11:23 p.m.

jujoje
Wouldn't claim to be an expert in any way shape or form, but, off the top of my head:

  • The component or rig::ControlSpline / rig::SampleSplineTransforms nodes should be able to get you a lot of the way there in terms of driving your joints with a curve.
  • Procedural density should be doable (in the graph construction not the animate state). You're still going to have to do the weights though.
  • For closing the mouth sop::fuse should work pretty well for basic things. Just put it after the bone deformation and set it to pick up a group on the geometry to fuse. You might want some fancier logic to blend it in, but should give you a start.

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Big brother, you are a very great person, please accept my highest respect for you.

Also, could you share your document with everyone?
Thank you.

Is it possible to drive an animation with a control? April 12, 2026, 12:43 p.m.

william_harley
Hi, This is a little more advanced. But you can use channel prims to drive the animation.
If it's an arm, and the lower part has fingers, that would be too complicated, right?

Is there a simpler way?