Le 17-04-09 à 21:24, Mike Horvath a écrit :
> Does anyone have a good looking code to generate the flame that exits a
> rocket in space? I found this:
>
>
http://news.povray.org/povray.binaries.images/thread/%3Cweb.4209345faad2f5b5a9431fb0@news.povray.org%3E/
>
>
> I like it (I prefer the blue flame to orange) but there is no code
> included.
>
> Thanks!
>
>
> Mike

Use some media in a container of the shape that you prefer. Usually, a 
cylinder or a cone are the best.
A blue flame, as that of hydrogen or light gas such as methane is mostly 
emissive that is directly caused by a chemical reaction, so, you need to 
use an emissive media. Adding some absorbing or scattering media may be 
needed, but mostly starting some distance from the nozle.
That flame is not uniform. You need some pattern. A cylindrical pattern 
is a good start. It can be combined with some kind of gradient or some 
other pattern.

Experiment untill you get something that you like.

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