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Rolling Clouds Simulation Using Smoke

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Hey there, I recently saw a breakdown that Main Road Post did at last year's SIGGRAPH and I have been trying to recreate their cloud simulation but to no avail. Currently I'm using particle velocity to drive the smoke velocity in hopes of generating shapes similar to their video which I've attached here as a reference along with my scenefile. I'm hoping someone could take a look and maybe give me some pointers. I would love to get close to what their reference is. I really love how they achieved a rolling cloud look. Thank you.



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Shouldn't be too hard. Just source smoke from points on a grid, (it looks like he used a disc), give them some initial velocity, add turbulence and some disturbance at the right time, a little bit of bouyancy and some gravity (or a high cooling rate) and you are done.

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