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Re: Normal Maps?
[Re: ventilator]
#29607
06/29/04 02:05
06/29/04 02:05
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Joined: Oct 2001
Posts: 1,407 Helsinki, Finland
Phantom88
Expert
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Expert
Joined: Oct 2001
Posts: 1,407
Helsinki, Finland
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Quote:
normal mapping = (dot3) bump mapping = per pixel lighting
it's all the same...
Well acually normal mapping means that the normals are encoded in all 3 colors(RGB), but in DOT3 only the heights of the pixels are stored(That's the difference as i have understood it), so it yields more precise and faster results...
~Phantom88~
Programmer, Gamer
ICQ #: 157485106 | Xfire: Phantom1988 | MSN: lauri_andler@hotmail.com | AIM: FinPhantom | YAHOO: FinPhantom
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Re: Normal Maps?
[Re: ChrispiZ]
#29610
06/29/04 02:54
06/29/04 02:54
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Joined: Feb 2003
Posts: 2,826 Margaritaville (Redneck Rivier...
myrlyn68
Senior Expert
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Senior Expert
Joined: Feb 2003
Posts: 2,826
Margaritaville (Redneck Rivier...
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No - you could probably make the normal maps by hand...it just wouldn't be too easy.
As for how, it varies depending on which program you are using (there are a dozen or so that I can think of right now).
In most case you create your low polygon model and then create another high polygon one - which other than the details is the same basic form. You then open up the low ploygon model in the Normal Mapping program and then import the High polygon model over top of that. Click whatever button it has to generate normal maps and wait.
Depending on how fast you computer is, how high poly the high poly model is and a few other factors - you will have your normal map in a few seconds to a few minutes.
Now most of them allow you to preview the model too. This is very important, since you will often have seams in the normal maps that you will want to get rid of. Sometimes you can do that by adjusting the UVs, other times you will need to touch up the normal map by hand (takes a bit of practice...but not too hard).
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