GeometryNodes: Curves to Follow an Animated Character

Hi there,

I am trying to add curves to an animated character using Geometry Nodes. The curve lines should follow the movements of the character. The theme -VR drawing- is a good illustrative example of the effect I like to achieve.

I’m not sure if using Geometry Nodes is the right approach for this type of effect. I also thought about doing a hair simulation, but found it much more appealing to have everything without baking in one node tree.

I’ve started messing around, but I don’t understand how to link the curves to the character’s movements across the time dimension. As you can see, all the lines are straight fixed at one point of the character. I can deform them using a noise node, but at the image above you can see the current state.

If you are interested you can check out my .blend:

Also, I found a tutorial where someone animated a curve between points. I recreated it, but didn’t come to any insight for my own project.

Do you know a solution?

Geometry Nodes interop with armatures (or just the time domain in general) is still very limited…

Maybe Animation Nodes?

Good luck!

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you can check out this channel here: https://www.youtube.com/c/BLUEFOXCreations/videos

He made a “spline tracer node” for animation nodes (which is in many ways still more powerful than geometry nodes not only because you can build your own nodes with python) which does exactly what you want. But you would have to invest time to learn animation nodes (which is worth it)!

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