Raydium 3D Game Engine

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 Post subject: Re: Open Gl light
PostPosted: Thu Oct 16, 2008 10:45 pm 
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Joined: Thu Sep 29, 2005 2:59 pm
Posts: 828
Blender already can render both texture and radiosity in the same mesh and, if i'm not wrong, you can export all that in the same step.
However right now I have no time to explain. Tomorrow I'll post the steps.


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 Post subject: Re: Open Gl light
PostPosted: Sun Oct 19, 2008 5:07 pm 
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Joined: Sun Mar 16, 2003 2:53 am
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Location: gnniiiii (Scrat)
ouille, juste have a look at "output.tri" ("willou.exe --model output.tri" for instance). You'll see how it's build: regular diffuse map with a "mixed" lightmap. This is multitexturing, and Raydium handles it.

vicente : warning, having diffuse and lightmap on the same texture is, most of the time, unusable (except for very small models), because you'll need huge textures to cover the whole scene with enough details (diffuse map UV coords are shared with lightmap UV coords). When using multitexturing (separate UV coords for diffuse and light maps), you don't have this trouble, and the lightmap needs way more details (and can be very blurry without any trouble).


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