Lightmap: Difference between revisions
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A lightmap is all the lighting data of each face. This light data is then applied | A lightmap is all the lighting data of each face. This light data is then applied additively to each face to produce the final lit effect. Especially common in [[BSP]] based engines, it's the method used for most lighting effects within the source engine. | ||
Determined during the [[vrad]] compile proccess lightmaps are only applied to brush faces as models are lit differently. The lightmap's scale refers to the number of texture pixels per light pixel (luxel). Smaller values means more luxels, thus a better quality but larger BSP size and compile times. The lightmap resolution can be viewed within [[Hammer]] by altering the viewmode in the top right to lightmap. It can also be viewed and edited from the [[Hammer_Face_Edit_Dialog|Face Edit Dialog]]. | Determined during the [[vrad]] compile proccess lightmaps are only applied to brush faces as models are lit differently. The lightmap's scale refers to the number of texture pixels per light pixel (luxel). Smaller values means more luxels, thus a better quality but larger BSP size and compile times. The lightmap resolution can be viewed within [[Hammer]] by altering the viewmode in the top right to lightmap. It can also be viewed and edited from the [[Hammer_Face_Edit_Dialog|Face Edit Dialog]]. | ||
Revision as of 16:56, 19 June 2006
A lightmap is all the lighting data of each face. This light data is then applied additively to each face to produce the final lit effect. Especially common in BSP based engines, it's the method used for most lighting effects within the source engine.
Determined during the vrad compile proccess lightmaps are only applied to brush faces as models are lit differently. The lightmap's scale refers to the number of texture pixels per light pixel (luxel). Smaller values means more luxels, thus a better quality but larger BSP size and compile times. The lightmap resolution can be viewed within Hammer by altering the viewmode in the top right to lightmap. It can also be viewed and edited from the Face Edit Dialog.
