Mottled shower doors and frosted glass are easy to do now.
Have you ever heard the phrase "surface normals".

K.Tyler

Roland Mas wrote:

> Dan Connelly <djc### [at] flashnet> writes:
>
>  Wallaces wrote:
>  >
>  > How about a finish option that blurs light coming through it?  (As seen in
>  > frosted glass, some glass shower doors, etc)  Now that we have the ability
>  > to do this with the camera (focus), it might be easier to code.
>
>
>   I think it would be hard to code and very time-consuming: you would
> have to cast many new rays for each incoming ray, average them and take
> this average as a parameter for the colour of your frosted glass. Of course,
> you could keep some things in memory, but it then comes close to radiosity.
> Maybe a modification in the radiosity code could do it?
>
>   Anyway, why not?
>
> Roland.

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