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=== Diffuse ===
Diffuse lighting (or [[diffuse reflection]]) is the direct illumination of an object by an even amount of light interacting with a [[Scattering|light-scattering]] surface.<ref name=":8"/><ref name=":10">{{Cite web|url=http://graphics.cs.cmu.edu/nsp/course/15-462/Spring04/slides/07-lighting.pdf|title=Lighting and Shading|last=Pollard|first=Nancy|author-link=Nancy Pollard|date=Spring 2004}}</ref> After light strikes an object, it is reflected as a function of the surface properties of the object as well as the angle of incoming light.<ref name=":10" /> This interaction is the primary contributor to the object's brightness and forms the basis for its color.<ref name=":83">{{Cite web|url=http://www.bcchang.com/immersive/ygbasics/lighting.html|title=Lighting in 3D Graphics|website=www.bcchang.com|access-date=2019-11-05}}</ref>
=== Ambient ===
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