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Blender 3D 2.49 Architecture, Buildings, and Scenery by Allan Brito

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Radiosity

With Radiosity, we can generate good light for animations and games, because most of the illumination is processed just once, and stored as some kind of paint on the surfaces. Where can we use Radiosity? In Blender, this global illumination is primarily used for interactive presentations created with the Blender Game Engine.

Another interesting thing about Radiosity is that we don't use lamps to generate light for our environments. With this system, we use an object named "emitter" to generate light rays.

The way to create these so-called emitters is to change the Emit properties in the Shaders panel. For instance, if we want to create a plane, that generates light energy for Radiosity, we must apply a material to the plane and then change ...

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