Lightgrid - Revision history

VorteX at 20:41, 30 July 2012

2012-07-30T20:41:34Z

2012-07-30T20:40:58Z

2012-07-27T11:09:33Z

2012-07-27T11:06:54Z

2012-07-26T16:38:54Z

2012-07-26T16:31:48Z

2012-07-25T10:38:14Z

‎Console variables

2012-07-24T09:48:28Z

‎How it works

2012-07-24T09:48:10Z

‎How it works

2012-07-24T09:19:23Z

← Older revision		Revision as of 20:41, 30 July 2012
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	A three-dimensional data structure used to store static lighting on models. Lightgrid are created during [[LIGHT phase]] each time map is compiled.		A three-dimensional data structure used to store static lighting on models. Lightgrid are created during [[LIGHT phase]] each time map is compiled.

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 A three-dimensional data structure used to store static lighting on models. Lightgrid are created during [[LIGHT phase]] each time map is compiled.
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 [[Category:Darkplaces engine]]
 [[Category:Lighting]]
 __NOTOC__

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 * [[Lightmap]]
 * [[Vertex lighting]]
 [[Category:Glossary]]

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 ==Console variables==
-* r_ambient - adds intensity to lightmap and lightgrid. Positive values makes map brighter (note: manual edit of this cvar via console does not work in Blood Omnicide, as cvar is controlled by gamecode).
+{{cvar|r_ambient|adds intensity to lightmap and lightgrid. Positive values makes map brighter (note: manual edit of this cvar via console does not work in Blood Omnicide, as cvar is controlled by gamecode).}}
-* r_fullbright - disables static lighting.
+{{cvar|r_fullbright|disables static lighting.}}
 ==See also==
 * [[Lightmap]]
 [[Category:Glossary]]
 __NOTOC__

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 A three-dimensional data structure used to store static lighting on models. Lightgrid are created during [[LIGHT phase]] each time map is compiled.
-===How it works===
+====How it works====
 Each cell of lightgrid stores this information:
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 When rendered, entity sample it's position at lightgrid and get average ambient and diffuse components to be applied during shading. Any entity that doesnt use lightmaps and not fullbright, is, by default, lit with lightgrid.
-===Resolution===
+====Resolution====
 Lightgrid resolution on a particular map comes from it's bounds and cell size.
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 Often map bounds is much bigger than the space players and NPC can walk in. To not waste memory and reduce map compile time, level designer should place a brush covered by [[Common materials | common/lightgrid]] material. That brush will set the area where lightgrid will be calculated and applied.
-===Corrections===
+====Corrections====
 Sometimes lightgrid is lighter or darker that the rest of environments which makes entities to look out of the place.

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 == Console variables ==
-* r_ambient - adds intensity to lightmap and lightgrid. Positive values makes map brighter (note: does not work on some Blood Omnicide locations).
+* r_ambient - adds intensity to lightmap and lightgrid. Positive values makes map brighter (note: manual edit of this cvar via console does not work in Blood Omnicide, as cvar is controlled by gamecode).
 * r_fullbright - disables static lighting.

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 * Diffuse RGB
-When rendered, entity sample it's position at lightgrid and get average ambient and diffuse components to be applied during shading. Any entity that doesnt use lightmaps and not fullbright is, by default, lit with lightgrid.
+When rendered, entity sample it's position at lightgrid and get average ambient and diffuse components to be applied during shading. Any entity that doesnt use lightmaps and not fullbright, is, by default, lit with lightgrid.
 === Resolution ===

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 Lightgrid resolution on a particular map comes from it's bounds and cell size.
-Default lightgrid cell size in game units is '64 64 128'. It can be customized with "gridsize" worldspawn key. Most of Blood Omnicide maps using lightgrid size '32 32 32' or '32 32 64'.
+Default lightgrid cell size in game units is '64 64 128'. It can be customized with "gridsize" [[worldspawn]] key. Most of Blood Omnicide maps using lightgrid size '32 32 32' or '32 32 64'.
 '''IMPORTANT NOTE''': Do not use too small cell size because amount on memory and time it takes to calculate grows geometrically.