Mark Weyer wrote:
> 
> [...]
> 
> That's what I thought, except I expected the probability to be
> sin(theta)
> (or cos(theta), if theta is the angle between ray and TANGENT), implying
> fewer rays close to normal than close to tangent. Is this a typo?

I don't think so.

> Why is the lookup array fixed? It might be calculated at program start,
> allowing for varying length.

I'm sure if you come op with a method to generate a high quality
distribution within a fraction of a second or so everyone would be eager
to see it...

Christoph

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