Real-time 3D Scene Design – Project Details

Posted on Tuesday, 13 March 2007

The producers of a computer graphics research project entrusted with a key element of their demo: the 3D Scene Design, Modeling, Texturing and Lighting.

Working in dialogue with the researchers, the 3D scene design for demo was created from scratch. The scene takes place in an art gallery, and contains a variety of objects and stands. With a basic design idea approved, the real work began modeling and lighting each individual object, using prelighted textures then polished up by hand.

Other touches include light sources in the shape of point lights, with specific shaders. As the scene was designed for real-time use, the size of textures needed to be limited and models needed to be low-polygon. I studied a few real galleries and museums, one in Edinburgh and one in Sheffield, to take in as much inspiration as possible in terms of suitable design and style of a gallery scene. There was some plans to create image-based modelling, but because of the lack of suitable reference pictures, this idea was abandoned pretty early on. Perhaps for my next project.

Finally, all the models, light sources, textures and materials was transfered into a scene file, where the whole seen was assembled for the first time, it was nice to write this scene file script code using XML, as it allowed for instancing objects to further optimize the scene. Light sources, objects and materials, they where all defined in a scene file, together with material files for the objects.

More information will follow in the next few weeks…


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