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DarkBASIC Professional Discussion / bump mapping

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FINN MAN
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Posted: 12th Jul 2005 06:35
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How do I create a bump map texture? Do I need any special software?
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James Morgan
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Posted: 12th Jul 2005 06:52
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MSPaint would do, its basically a black and white picture file using the different shades between white and black to cause the bump effect

Hello!
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RiiDii
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Posted: 12th Jul 2005 06:53
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I'll be interested to see the responses to this one as well. It looks like all bump mapping does is add lighting/shading to a textured object to help make the texture itself seem to have far more polygon detail than it actually does. Take a flower pot for example. A fairly decent looking pot could be made using two "conified" cylinders. Not a high poly count. Add a photo-realistic flower pot texture, and it looks a ton better. Add a bump map texture and it get a greater 3D look, where the rough edges of the pot come out, maybe a crack looks like it actually goes into the pot. All that can be make the object look like it was made with billions of polygons, but it actually is just an effect. How one goes about making a bump map texture, I have no clue.

"Droids don't rip your arms off when they lose." -H. Solo
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FINN MAN
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Posted: 12th Jul 2005 07:04
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James Morgan Then how come when i see bump map files the look like they're a rambow of color?
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MikeS
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Posted: 12th Jul 2005 14:05
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DBP's bump mapping usually comes out better using a normal map(The rainbow colored thing ).

Here's a thread I created a while ago that might have some helpful pointers.
http://forum.thegamecreators.com/?m=forum_view&t=55174&b=1



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FINN MAN
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Posted: 13th Jul 2005 06:13
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MikeS Thanks, That was helpful. How do I creat a Normal map, is there software out there for it. And is there a better bump mapping shader then the one that comes with DBP?
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MikeS
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Posted: 13th Jul 2005 08:14
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The bump mapping shader works just fine with DBP. There might be a few .fx files floating around that give better results(I don't really know).

Download gimp 2.0 and the nVidia normal map filter to create your normal maps(both are free).



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FINN MAN
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Posted: 13th Jul 2005 09:29
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MikeS Thanks a lot.
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Stab in the Dark software
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Posted: 13th Jul 2005 10:25
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Ati also has a free bump map generator her is the link to the page
http://www.ati.com/developer/sdk/radeonSDK/html/Tools/ToolsPlugIns.html

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Stab in the Dark software
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Posted: 13th Jul 2005 10:26
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[href]http://www.ati.com/developer/sdk/radeonSDK/html/Tools/ToolsPlugIns.html

HomeBuiltintelceleron,2.4GHz,1024mb,ATI radeon9200128mb,XPSP2,Dx9.0c

The coffee is lovely dark and deep,and I have code to write before I sleep,and I have code to write before I sleep.
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STALKER
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Posted: 13th Jul 2005 11:43
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Yay nVidia
Boo Ati

>>>>>>>>>>>MIRAGE STUDIOS<<<<<<<<<<<
>>MEDIEVAL CARNIVAL<->GLADIATOR ARENA<<
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Ianhfar
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Posted: 13th Jul 2005 18:17
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Don't forget my Normal map generator !

http://forum.thegamecreators.com/?m=forum_view&t=56688&b=5

Ianhfar
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