"Slime" <fak### [at] emailaddress> wrote:
> When a ray goes through a polygon, it thinks it's "inside" that polygon
> until it hits it again (which never happens). Usually this works for shapes
> like spheres, where the ray goes in and then comes out on the other side.
>
> You might try replacing your polygons with flat boxes, that might fix it.
>
>  - Slime
>  [ http://www.slimeland.com/ ]

Aah, thank you -- this makes good sense. Now my scene renders much faster!

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