Lights.rad: Difference between revisions

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'''Lights.rad''' is a plain text file that can be used to manipulate the way [[Vrad|VRAD]] handles given [[material]]s when compiling static lighting. It performs three functions:
{{disambig}}


#Makes a material applied to a [[brush]] surface '''emit light''' (numbers are [[RGBA]]).
{{file|lights|rad}} is a [[RAD file]] which is always automatically read by the lighting compilers. This is used to create texlights. In this file is a texture then an RGB value followed by a brightness value.  
#:<pre>lights/my_lightpanel 250 240 205 100</pre>
#'''Prevents static shadows''' from being cast on a material.
#:<pre>noshadow tree_deciduous_01a_branches.vmt</pre>
#Forces shadows ''of a [[model]]'' to be calculated '''using its material's [[$translucent|translucency]]''', as opposed to its polygons.
#:<pre>forcetextureshadow props_wasteland/interior_fence001a.mdl</pre>


{{todo|Can you force texture shadows on a material?}}
* For creation and use of <code>lights.rad</code> file, see the [[RAD file]] page.
* For a list of {{src|4.1}} games' <code>lights.rad</code> file, see the [[:Category:Source RAD files]] page.
* For a list of {{goldsrc|4.1}} games' <code>lights.rad</code> file, see the [[:Category:GoldSrc RAD files]] page.


== See Also ==
[[Category:RAD]]
* [[Vrad|VRAD]]
* [[Creating a Material]]
 
[[Category:Level design]]

Latest revision as of 12:57, 6 August 2025

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🖿lights.rad is a RAD file which is always automatically read by the lighting compilers. This is used to create texlights. In this file is a texture then an RGB value followed by a brightness value.

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