Ron Parker <ron### [at] povrayorg> wrote:
: They're not really.  The fourth column is just a convenient way of specifying
: the translate component.  You could easily take that out, invert, and put 
: it back.

  But aren't the rays also translated with the inverse translation of the
object? Isn't the whole 4x4 matrix inverted?

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

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