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DarkBASIC Professional Discussion / Specular Mapping in DBpro

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Bulleyes
21
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Joined: 3rd Nov 2002
Location: Cyberjaya, Malaysia
Posted: 23rd Nov 2002 13:01
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I had looked through the help files and manual, it seems that DBpro does not have support for specular mapping, i.e. I want to create specular highlighting like those on shiny surfaces.

Does anyone know how to simular specular mapping using the existing DBpro command?

Thanks a lot!
Bad Nose Entertainment - Where games are forged from the flames of talent and passion.

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Digital Awakening
AGK Developer
21
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Joined: 27th Aug 2002
Location: Sweden
Posted: 23rd Nov 2002 16:39
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I don't know for sure but I think you need a specular mapping pixel shader.

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Zero
21
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Joined: 28th Aug 2002
Location: Finland
Posted: 25th Nov 2002 09:56
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SET SPHERE MAPPING ON obj, img

load a bitmap containing black background and a white spot on it (half size might be good).

You can also make more complex reflections with white lines on the black background..

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Specs:- P3 550 Nvidia TNT2M64, 192Mb RAM
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Bulleyes
21
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Joined: 3rd Nov 2002
Location: Cyberjaya, Malaysia
Posted: 26th Nov 2002 14:08
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Sound interesting...

What if I want to be able to specify different specularity for different part on the mesh, does the gray values control the specularity on the mesh?

I had looked through some examples that came with DBpro about sphere mapping. It seems like it always uses a bitmap which is the 360 view of the surroundings as the sphere map. I am interested in how you use DBpro's sphere mapping for making specular mapping on a mesh?

Bad Nose Entertainment - Where games are forged from the flames of talent and passion.

http://www.badnose.com/
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