$illumposition: Difference between revisions
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Note:$illumposition can be overridden per-entity on most entities (including prop_static) by using the lightingorigin KV.
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{{this is a|QC command|name=$illumposition}} It sets the lighting origin for the model, relative to its origin. By default the <code>$illumposition</code> is | {{this is a|QC command|name=$illumposition}} It sets the lighting origin for the model, relative to its origin. By default the <code>$illumposition</code> is the model's [[origin]]. | ||
When illuminating an animated or moving model in the engine, the lighting calculations are only done for the two brightest light sources. All the other lights, as well as bounced light from the environment, go into a simple single cubemap. This is the position the model uses for that cubemap. | When illuminating an animated or moving model in the engine, the lighting calculations are only done for the two brightest light sources. All the other lights, as well as bounced light from the environment, go into a simple single cubemap. This is the position the model uses for that cubemap. | ||
You can optionally specify a bone name for the illum position. If you do, the position specified will be interpreted as being relative to the specified bone. | You can optionally specify a bone name for the illum position. If you do, the position specified will be interpreted as being relative to the specified bone. | ||
{{note|$illumposition can be overridden per-entity on most entities (including [[prop_static]]) by using the {{code|lightingorigin}} [[KV]].}} | |||
== Syntax == | == Syntax == |
Revision as of 10:17, 3 September 2024
$illumposition
is a QC command available in all Source games. It sets the lighting origin for the model, relative to its origin. By default the
$illumposition
is the model's origin.
When illuminating an animated or moving model in the engine, the lighting calculations are only done for the two brightest light sources. All the other lights, as well as bounced light from the environment, go into a simple single cubemap. This is the position the model uses for that cubemap.
You can optionally specify a bone name for the illum position. If you do, the position specified will be interpreted as being relative to the specified bone.

Syntax
$illumposition (x) (y) (z) [optional bone name]
Examples
$illumposition 0.000 0.048 -0.115
$illumposition 0.000 9.21 4.00 ValveBiped.Bip01_Pelvis