pal### [at] yahoocom <nomail@nomail> wrote:
> Maybee mine english is not good enough but Lightflow can do this effect.
> Right now I found some sample and rendering it (in Lightflow).

  Are you sure the sample scene is making flow calculations to get the
effect or just faking the effect with clever placement of objects?

-- 
plane{-x+y,-1pigment{bozo color_map{[0rgb x][1rgb x+y]}turbulence 1}}
sphere{0,2pigment{rgbt 1}interior{media{emission 1density{spherical
density_map{[0rgb 0][.5rgb<1,.5>][1rgb 1]}turbulence.9}}}scale
<1,1,3>hollow}text{ttf"timrom""Warp".1,0translate<-1,-.1,2>}//  - Warp -

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