Invisible <voi### [at] devnull> wrote:
> >> Clearly in this universe, something is fatally wrong with the laws of
> >> reflection. o_O
> >
> > Bah. Damned sign conventions...
>
> Incidentally, this is exactly the sort of thing that it's really hard to
> think up test cases for. I mean, if you build a ray tracer, and your
> spheres render inside-out, what have you done wrong? Is there a typo in
> your vector arithmetic? Have you got the direction of a ray backwards
> somewhere? Is there a glitch in your camera implementation? It's really
> hard to know where to start. And it's really hard to come up with actual
> test cases other than "make it render something and see if the result
> looks plausible"...

so I take it this is from a raytracer written by you?

be sure to implement those perfectly curved woman bodies as builtin shapes. ^_^

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