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Re: How would you go about recreating this effect within After Effects? (Maybe Particular?)

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Steve Bentley
Re: How would you go about recreating this effect within After Effects? (Maybe Particular?)
on Mar 7, 2018 at 8:38:07 am

Thats definitely stock footage of rolling fog/smoke (probably man made) And its not a custom element they shot for it because you can see the loop point and its not been handled very well (if it was custom it would have been closer to the right length). But based on the content and the noise that might even be back in the optical days.

I doubt you could get there with Particular without killing your machine with a billion particles.

Shooting is the best way to get that in short order - no render times and you keep wafting your smoke until you get what you want.
But for those without a camera and without Tubulence FD you can get there with fractal noise. The trick is the masking. If you make feathered masks that move and roll like you want the fog to (do this first before you get into working with the noise and then you can see the rough shapes moving about), then erode the edges of the masks with one set of moving noise and then pass another set of moving noise through these eroded masks. Make a few layers and composite them over each other - try not to use "screen" as that just ends up blooming everything to washed-out eventually. Also try different speeds of noise that drift and evolve with the direction of travel of the masks. Dont forget to tint your fog - it may seem like its white but its actually a tint of the background color.

Finally if you have it, Turbulence FD, Houdini and even Blender can get you there but there is a lot of non intuitive experimentation to "direct" that prima donna fog, and there can be long render times if you don't want the noise to show (high sample rates).

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