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W0RLDBUILDER wrote:
> I'm trying to animate turbulence going from 1 to 0 and back to 1 over the course
> of an animation, with clock going from 0 to 1. The reason I need this is because
> I'm animating a rotating planet with POV (textured with one of the maps from
> TextureGen) and I'd like to have moving clouds. The code for the animated
> turbulence shouldn't be too long; I'm going to use it three times, each for
> separate cloud layers. I'd also like to make three cloud layers identical to the
> first three but with turbulence going from 0 to 1 to 0.
Was this indended as a question? If yes, what is the problem?
If you really want turbulence from 0 to 1 to 0 all you have to
do is add "turbulence 1-abs(2*clock-1)". However, that will
probably not look very convincing. You could scale it to move
over a smaller interval.
You can also try to rotate your cloud spheres at different speeds,
and possibly split them into bands the rotate at different speeds
to emulate the wind patterns caused by convection cells, see, e.g.
http://www.mhhe.com/biosci/genbio/tlw3/eBridge/Chp29/animations/ch29/global_wind_circulation.swf
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