Datasheet
6 Chapter 1: Working in 3D
Lights
ere are two methods of adding light to your 3D scenes: using computer representations
of real lights (standard lighting) or casting light from the environment and textures in
the scene (radiosity). e former is relatively easy to compute and delivers results more
quickly. e latter uses more-complex computation and slows the nished image but
results in lighting with more subtlety, nuance, and realism. Figure1.4 shows a simple
scene with standard lighting, and Figure1.5 shows that same scene using radiosity.
Figure1.3
A few examples of
possible textures
Figure1.4
A scene using standard 3D lights
Figure1.5
A scene using radiosity for lighting
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