"Tim Nikias" <tim### [at] gmx de> wrote in message
news:3CEC73CF.F75C3AC5@gmx.de...
<snip>
Yeh - IMHO it would be a nightmare to implement unless it was possible to return
the reflection component, etc. of a point.
Without this, any scene where you wanted to simulate a laser bouncing around
would require a very complex setup.
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