Eric Buddington <ebu### [at] wesleyan edu> wrote:
> I can't quite figure how
> (in the FAQ's example) a distance of 10^5 is enough to cause these
> artefacts
It's not the distance alone. It's in conjunction with the really small
camera angle. Even though alone both numbers are very accurate in 64-bit
floating point representation, when they are combined and the results
used for the ray-sphere intersection calculations, the inaccuracies
start showing themselves.
--
- Warp
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