Classes
 ClassDescription
 AmbientLight An ambient light source represents a fixed-intensity and fixed-color light source that affects all objects in the scene equally.
 DirectionalLight A directional light source illuminates all objects equally from a given direction, like an area light of infinite size and infinite distance from the scene; there is shading, but cannot be any distance falloff.
 OmniLight OmniLight is an attenuated light source placed at one point and spreads outward in all directions.
 SpotLight OmniLight is an attenuated light source placed at one point and spreads outward in a coned direction.