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gamedev:textureproperties:emissivity_intensity

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Summary

Texture Property Nameemissivity.intensity
DescriptionDefines the intensity of emitted light
Excepted Data Source1 component value
Data Rangegreater than or equal to 0
Default Value1
Affected ModulesGraphic
Linked Propertiesemissivity

Description

The emissivity.intensity texture property is linked with the emissivity texture property. It defines the intensity of the emitted light. The emissivity texture property defines the color of the emitted light. The final emitted color is thus the emissivity texture property mulitplied component wise with this texture property. The intensity could also be stored directly into the emissivity texture property using a high definition range image. Using this texture property though the intensity can be modified at run-time using renderables. Switching emitting light on and off without changing the skin on an object is a typical use of this texture property.

The intensity value relates to real world light intensities not in a 1-to-1 scale but more in a rescale scale mapping a wel lit room to the value 1 for convenience. An intensity value of 1 thus equals roughly a 100W light bulb or a well lit room at night. 10 equals roughly an overcast day outside. 20 equals roughly a full bright sunny day out in plain sun.

The source is typically a single component value greater than or equal to 0.

The default value for this texture property is 1 which equals roughly a 100W light bulb or a well lit room.

Examples

( TODO: example image )

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gamedev/textureproperties/emissivity_intensity.1354465107.txt.gz · Last modified: 2012/12/02 16:18 by dragonlord