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Moleculor Satyr
Fireflies!
Join date: 5 Jan 2004
Posts: 2,650
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09-09-2004 09:54
What do the bumpmap options of Brightness and Darkness do?
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feniks Stone
At the End of the World
Join date: 25 Nov 2002
Posts: 787
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09-09-2004 11:04
Its like an embossing kind of thing, for lack of the more tech def. Go check out the floor of bbc's build (in welsh I think, hope its still there).
When you have the right texture, its a really cool effect.
fen-
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the gypsy that remains..
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Erich Templar
Registered User
Join date: 21 Aug 2004
Posts: 23
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09-09-2004 11:30
Ah, now that's interesting. I've been playing about with those parameters, and can't see any difference at all. What kind of texture do they work with?
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Tiger Crossing
The Prim Maker
Join date: 18 Aug 2003
Posts: 1,560
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09-09-2004 12:49
It has to be a texture with a lot of contrast (dark and light bits) to work with.
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~ Tiger Crossing
~ (Nonsanity)
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Chosen Few
Alpha Channel Slave
Join date: 16 Jan 2004
Posts: 7,496
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09-09-2004 16:14
A brigtness bump makes the brightest areas of a textured surface appear to rise off the surface. Anything pure white will rise to maximum distance, anything pure black will not move, and anything inbetween will rise somewhat.
A darkeness bump does just the opposit. Black rises to maximum and white stays at zero.
It's worth mentioning btw that this will not work with 32 bit images. Add it to the list of SL's numerous difficulties rendering alphas.
As Tiger said, images with high contrast will produce the most noticeable effects.
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