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Dots bouncing and changing color off collision

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Chad Ridgeway
Dots bouncing and changing color off collision
on Apr 28, 2020 at 6:34:59 pm

I'm trying to recreate this simulation from the Washington Post:

https://www.washingtonpost.com/graphics/2020/world/corona-simulator/

Where one ball eventually infects the rest. I'm using Newton for motion I just need the expression. And Newton can export keyframes for contact, though I need the color change to occur only on the first contact.

Thank you!


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