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Re: Bumpmaps, techy!! Bungie(MSN), enlighten pls..
Posted By: SpudBoy	Date: 2/21/02 2:25 p.m.
In Response To: Bumpmaps, techy!! Bungie(MSN), enlighten pls.. (DeAdLy_cOoKiE) : As you may know, bumpmapping can show visual : anomalities at the edges of textures/lightmaps, if not done properly. No, this is antialiasing. : But, it makes me wonder why the visual artefacts appear to diagonal and not : horizontal/vertical (edges of textures). Does it then have to do anything : with polygons (which are triangles)? How does that make sense? Well, a : wall, which we all know, is very flat, BUT, even a wall consists out of a : certain number polygons. In the most primitive form, two polygons (a cube : consists out of 12 polygons), but it works differently if a wall has a : door/passage/whatever, which translates to more use of triangles. Uh... Not sure what you're trying to say here. : Which raises a question: Are bumps calculated on a per-polygon basis? (Heh, : do I sound a lot like Carmack now?). One can never be certain. Yes one can definitely be certain. Polygons are calculated by the geometry of the mesh. Not the bump map. If your mesh has say 60 polygons and you slap a very extreme bump map on it, it will still only be 60 polygons. Of course rendering speed will take a major hit because it will take more processing time to deal with the increased shadows due to the texture. : Personally, I want to see the effect of bumpmapping with a 3D revelator. I posted about this a little higher on the board. You won't see much more with 3D glasses. -Spu

Message Index

A few random Halo questions and comments...	Liquidex	2/21/02 12:16 a.m.
Re: A few random Halo questions and comments...	NthDegree256	2/21/02 12:36 a.m.
Re: A few random Halo questions and comments...	Mark Levin	2/21/02 1:10 a.m.
Bumpmaps, techy!! Bungie(MSN), enlighten pls..	DeAdLy_cOoKiE	2/21/02 8:29 a.m.
Re: Bumpmaps, techy!! Bungie(MSN), enlighten pls..	Mark Levin	2/21/02 10:46 a.m.
Re: Bumpmaps, techy!! Bungie(MSN), enlighten pls..	SpudBoy	2/21/02 2:25 p.m.
Re: Bumpmaps, techy!! Bungie(MSN), enlighten pls..	DeAdLy_cOoKiE	2/21/02 4:41 p.m.
Re: Bumpmaps, techy!! Bungie(MSN), enlighten pls..	SpudBoy	2/21/02 8:43 p.m.
Re: Bumpmaps, techy!! Bungie(MSN), enlighten pls..	DeAdLy_cOoKiE	2/22/02 5:19 a.m.
Marathon Symbol	Malagigi	2/21/02 10:13 a.m.
Totally random tidbit	Louis Wu	2/23/02 1:43 p.m.