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- The amount of direct light that diffuses from an object depends upon the
- angle at which it hits the surface. When light hits at a shallow angle it
- illuminates less. When it is directly above a surface it illuminates more.
- The 'brilliance' keyword can be used in a finish statement to vary the way
- light falls off depending upon the angle of incidence. This controls the
- tightness of the basic diffuse illumination on objects and slightly adjusts
- the appearance of surface shininess. Objects may appear more metallic by
- increasing their brilliance. The default value is 1.0. Higher values from
- 3.0 to about 10.0 cause the light to fall off less at medium to low angles.
- There are no limits to the brilliance value. Experiment to see what works
- best for a particular situation. This is best used in concert with high-
- lighting.
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