Chris Huff <chr### [at] yahoocom> wrote:
: How about adding a "perturb_normal()" function instead?

  It may be one solution, but difficult to use if the object in question
has complex transformations (you would have to apply the same transformations
to the texture before calling perturb_normal()).

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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