iiinova — where your digital self keeps evolving

Oh and here's all the logic so far for the modifier at the moment.

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I'm not sure why but I think she would have strong opinions about The Phantom Menace.

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Someone critiqued my last demo, so i took it to heart and tried to animate the snake better lol.

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The modifier so far. It's not using any volume constraints and instead relying on pressure.

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It is actually quite aggressive when viewed from the viewport.

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bevelled default cube 😎

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Snek3D @snek3d.bsky.social · 01/10/2026

Physics effect is a bit subtle. Probably not worth it for general animation.

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Still looking into. For general stretching & wrinkles the base Cloth Dynamics geo node is good enough. For squishing I'm running into issues as XPBD doesn't have a constraint to maintain volume and I don't have a good solution for this yet with geo nodes.

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Testing with animation of the body. Internal pressure still isn't right.

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From my basic understanding so far, the XPBD Solver just takes constraints and applies them to each vertex. Like forces, edge length limits, etc. So we might even be able to just extend the existing cloth dynamics node with what we need.

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XPBD Solver - Blender Developer Documentation

To be transparent, the heavy lifting is done by the "Cloth Dynamics" geometry node (Blender 5.2). Now, inside Cloth Dynamics is the XPBD Solver node. I think if you can understand this then you can solve everything... developer.blender.org/docs/feature...

developer.blender.org

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This is using the new Blender 5.2 Cloth Dynamics. It's like the old cloth physics but because it's Geometry Nodes I have far more control. I can dynamically control lots of things, apply forces, etc.

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Unfortunately, the road is long...

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I don't want to oversell this. I'm still very early into experimentation, and this could still fail... But I think this might be it...

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Excluding this funny glitch. I do already have the results I want but I'm not ready to share just yet...

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Also this isn't using the cloth physics I demo'd yesterday... this using something a bit more modern. *cough* 5.2 *cough*

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My coils don't jiggle jiggle... they fold.

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Maybe not so soon... The weight loss is going well though.

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[behind the scenes] I love trying to do things "in-camera" in Blender. You can fake similar effects in other software, but having everything exist as real 3D geometry makes some effects possible naturally.

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A few people asked so here's a download link for the coil_spin.blend project file. Feel free to modify, reupload or use for what ever you like.

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Link (Blender 5.2): mega.nz/file/rIdyBST...

mega.nz

20.22 MB file on MEGA

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Behind the scenes. The hypnosis effect is a world shader using the cameras coordinates.

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Behind the scenes. Spiral dynamically created with geometry nodes.

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The reason for using a secondary hidden mesh is so it can be lower poly and only effect the parts of the mesh we want.

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