Rhino Grasshopper adding spikes

I followed a tutorial called Kangaroo Physics Simulations - Chapter 11 | Bubble inflation | Rhino & Grasshopper Tutorial and was wondering if I can add some anchor points to it to add some spikes to it.
BALLOON 1.gh (25.1 KB)

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I don’t have a lot of experience with grasshopper, and I was surprised that you had two kangaroo solvers in series. I think that it’s not a good idea because your definition becomes too heavy. What I did was work with a very low poly mesh and then subdivided it. Hope it helps.


erase.gh (17.7 KB)

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Can not open your gh file, something exploding inside…

Haha, this is cute!

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Thank you for the help but I was wondering if you can show me how to activate the sphere and motions because I’m don’t have much experience with grasshopper.

Hey I was wondering if there’s a way to change the shape?