2011

Type Controls how light diminishes over distance. The farther away an object
is from a spotlight, the darker the object appears. Attenuation is also known
as decay.
■ Inverse Linear (Standard lights only). Sets attenuation to be the inverse of
the linear distance from the light. For example, at a distance of 2 units,
light is half as strong as at the point light; at a distance of 4 units, light is
one quarter as strong. The default value for inverse linear is half the
maximum intensity.
■ Inverse Square (Photometric lights). Sets attenuation to be the inverse of
the square of the distance from the light. For example, at a distance of 2
units, light is one quarter as strong as at the spotlight; at a distance of 4
units, light is one sixteenth as strong.
■ None (Standard lights only). Sets no attenuation. Objects far from the
point light are as bright as objects close to the light.
Use Limits (Standard lights only) Specifies whether to use limits. The default
is No.
Start Limit Offset (Standard lights only) Specifies the point where light
starts as an offset from the center of the light. The default is 1.
End Limit Offset (Standard lights only) Specifies the point where light ends
as an offset from the center of the light. No light is cast beyond this point.
Rendered Shadow Details
Under the Rendered Shadow Details panel, the following property settings
are available:
Type Specifies the type of shadow cast by the light.
■ Soft (shadow map). Sets the type to Soft. This selection activates additional
options for Map size and Softness.
■ Sharp (default). Sets the rendered shadow to sharp.
■ Soft (sampled). Sets attenuation to be the inverse of the square of the
distance from the light. For example, at a distance of 2 units, light is one
quarter as strong as at the spotlight; at a distance of 4 units, light is one
sixteenth as strong.
Map Size (Soft shadow map type only) Specifies the size of the shadow map.
Softness (Soft shadow map type only) Specifies the softness or fuzziness of
the shadow-mapped shadow.
Lighting Properties | 1545