Light Directory Reference

Defines energy emitting entities.

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Files
	AAreaLight.cpp
	AAreaLight.h
	AGeometricLight.cpp
	AGeometricLight.h
	AIesAttenuatedLight.cpp
	AIesAttenuatedLight.h
	ALight.cpp
	ALight.h
	AModelLight.cpp
	AModelLight.h
	APointLight.cpp
	APointLight.h
	ARectangleLight.cpp
	ARectangleLight.h
	ASphereLight.cpp
	ASphereLight.h

Detailed Description

Defines energy emitting entities.

Without energy sources, you simply cannot take a picture of the scene. Light sources are essential for defining behaviors of radiant energy emission. Here I distinguish model and area sources by their emission profile: area sources have constant emission across its defined surface; whereas model sources are more general and allow texture mapped emission along with arbitrary geometry.