## arianne-general — General discussion

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Showing 4 results of 4

 Re: [Arianne-general] Ok, where are the guys that are experienced with Terrain creation??? From: leon.trole - 2003-04-13 22:21:25 ```the problem is that black or white has no color ... if the brightness is calculate like this : R+G+B = L if R,G,B is 8bits value then L is 10bits value If color is calculate like this : C1=R-G C2=R-B then C1 and C2 are 9bits values. then R=L/3+C1/3+C2/3 G=L/3-2C1/3+C2/3 B=L/3+C1/3-2C2/3 the prob are : L/3 is 8bits value C1/3 and C2/3 are 8bits values (with b1000... max) R is then a 9 bits value -> lake 1bit G and B are then a 11 bits value -> lake 3 bits it's a bit complicated ? > I dont think it would come natural to use red for height and green for > texture or similar, also you > wouldnt see much difference in the color. > > I wanted to compute the brightness from the three colors. > > Basicly, RGB is a 3D vector. > The length of the vector would be the height, and the normalized vector > the texture. > Thats the plan, now I just need someone to code that hehe.... > > Of course the texture would be computed from the color, if you use a > brownish pixel the texture > choosen would match that color somewhat, for example be a dirt road or > sand... > > Thats one plan, the other plan would be to have two images, as is > standard, one for the heightmap > and then one for the texture, but this will require us to have huge ass > textures, of course it prolly > would look better.... > > What you guys think?? > > SkyFlash _____________________________________________________________________ Envie de discuter en "live" avec vos amis ? Télécharger MSN Messenger http://www.ifrance.com/_reloc/m la 1ère messagerie instantanée de France ```
 Re: [Arianne-general] Ok, where are the guys that are experienced with Terrain creation??? From: Ikkakujyu - 2003-04-13 18:11:05 ```I like the first plan better. It would be tricky to get the textures matched up, but Blizzard did something like that in Warcraft III, and it looks great. Huge ass textures need a lot of RAM, or at least I think they do. I'd rather have something I can run on my computer. Then again, by the time this is done, I'll probably have a new computer anyways. And there will always be the 2D client. -Ikkakujyu ```
 RE: [Arianne-general] Ok, where are the guys that are experienced with Terrain creation??? From: SkyFlash - 2003-04-13 16:40:51 ```I dont think it would come natural to use red for height and green for texture or similar, also you wouldnt see much difference in the color. I wanted to compute the brightness from the three colors. Basicly, RGB is a 3D vector. The length of the vector would be the height, and the normalized vector the texture. Thats the plan, now I just need someone to code that hehe.... Of course the texture would be computed from the color, if you use a brownish pixel the texture choosen would match that color somewhat, for example be a dirt road or sand... Thats one plan, the other plan would be to have two images, as is standard, one for the heightmap and then one for the texture, but this will require us to have huge ass textures, of course it prolly would look better.... What you guys think?? SkyFlash > i think you may use a code in the rgb wether that use the > brightness beacause in the files the code is in rgb ... > ex: > use the red chanel for the height , > the blue for the type of texture , > the green for another think > > the broblem of the brightness is that it is a computation of > the red,blue,green ... ```
 Re: [Arianne-general] Ok, where are the guys that are experienced with Terrain creation??? From: leon.trole - 2003-04-13 09:29:34 ```i think you may use a code in the rgb wether that use the brightness beacause in the files the code is in rgb ... ex: use the red chanel for the height , the blue for the type of texture , the green for another think the broblem of the brightness is that it is a computation of the red,blue,green ... ----- Original Message ----- From: "SkyFlash" To: Sent: Saturday, April 12, 2003 10:22 PM Subject: [Arianne-general] Ok, where are the guys that are experienced with Terrain creation??? > > We really can use your help here... > > We need to be able to load a map from a graphics file and then construct > a terrain from it, > my basic idea was to have the brightness control the height as usual but > then maybe be able to > use the color of the pixel as indication which texture to use for that > area... > > You think thats possible? > > I really want to be able to create an overview map in photoshop that > will then be translated into > terrain and stretched across the whole Zone area on loading of the > zone.... > > As I have no 3D background thats like impossible for me to do right now, > so I need a professional opinion here > on how hard that is to program. > > PLIB does offer the possibility to construct terrain from a heightmap, > but it doesnt offer any image loading > code as far as I know right now, and it doesnt natively support > different textures for different heights, > although it does support changing textures and offers an API to do it, > just I have no clue how to use it. > > Any suggestions are welcome, we can btw also disregard PLIBs terrain and > draw our own using any OpenGL terrain > engine, but I think its prolly better to create our own version so we > can tailor it to Arianne. > > SkyFlash > > > > ------------------------------------------------------- > This SF.net email is sponsored by: Etnus, makers of TotalView, The debugger > for complex code. Debugging C/C++ programs can leave you feeling lost and > disoriented. TotalView can help you find your way. Available on major UNIX > and Linux platforms. Try it free. http://www.etnus.com > _______________________________________________ > Arianne-general mailing list > Arianne-general@... > https://lists.sourceforge.net/lists/listinfo/arianne-general > _____________________________________________________________________ > Envie de discuter en "live" avec vos amis ? Télécharger MSN Messenger > http://www.ifrance.com/_reloc/m la 1ère messagerie instantanée de France > _____________________________________________________________________ Envie de discuter en "live" avec vos amis ? Télécharger MSN Messenger http://www.ifrance.com/_reloc/m la 1ère messagerie instantanée de France ```

Showing 4 results of 4