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Le 18-02-22 à 17:24, Mike Horvath a écrit :
> I'm trying to create a layer of clouds over my spherical planet. I am
> using a combination of wrinkles and onion patterns. I can scale the
> onion pattern to the thickness of the clouds, but I am not sure how to
> align the start of the onion to the surface of the planet.
>
> E.g.
>
> The planet radius is X units. The clouds start at X + M units and end at
> X + N units. What is the correct way to create this onion? Do I need to
> use frequency and phase modifiers?
>
> Thanks.
>
>
> Mike
Scale your onion pattern so that one period = hight of the athmosphere.
Next, use a colour_map that have a zero value outside of the cloud layer.
On the bottom, have a rapid transition, and a more gradual transition
toward the top.
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