> Nice, i think Chris Huff was working on a similar patch too.  Does it
> generate smooth transits or are there steps in the pattern value?

it should be smooth transition : you give the number of samples you want,
and the pattern return (nb_samples_hit)/(nb_samples). It uses the same
hemisphere distribution than the blur for reflection

i was thinking about adding a max_distance, so that if the ray intersect the
object too far, it does not count as an intersection.

M

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