I probably shouldn't be going so OT here. We can/should discuss the implications of copying somebody's shader, for the purpose of improving it (a derivative work), elsewhere.

RV:

Your big post above about the GC and Clamp and such.

Clamp is simple: Clamp(x) = x, but no less than 0 and no more than 1.

And despite what you said/deduced/calculated, it does that on each element of the tuple.

You skipped a bunch of steps so I have to study what you did to arrive at your conclusion. You wrote a lot in one post which makes it really hard to dissect.

I'll dissect it.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)