Env fog controller

Entity Description

The env_fog_controller entity controls fogging in a level. This has both aesthetic and functional purpose. Functionally, by adding fog to a level, you can hide a far clip plane, and reduce the amount of rendered geometry, improving game performance.

Keyvalues

• Template:Kv targetname
• Template:Kv angles
• Template:Kv dxlevelchoice
• fogcolor

<color255>

• fogcolor2

<color255>

• fogdir

<vector> A vector that determines the directions of the primary and secondary fog, relative to the env_fog_controller entity.

• fogstart

<float> How far from the point-of-view the fog should start.

• fogend

<float> How far from the point-of-view the view should be completely fogged.

• farz

<integer> This is the distance from the point-of-view that the level geometry should stop being drawn at. This can be used to control engine performance.

• fogenable

<boolean>

• fogblend

<boolean> This will enable blending between two fog colors, based on the direction the player is looking. It approximates the aesthetic effect of diffuse light filtering through the fog.

• use_angles

<boolean>

Inputs

• Template:I targetname
• SetStartDist <float>

Set the fog start distance.

• SetEndDist <float>

Set the fog end distance.

• TurnOn

Turn the fog on.

• TurnOff

Turn the fog off.

• SetColor <color255>

Set the primary fog color.

• SetColorSecondary <color255>

Set the secondary fog color.

• SetFarZ <integer>

Set the far clip plane distance.

• SetAngles <string>

Set the angles to use for the secondary fog direction.

Outputs

• Template:O targetname

See Also

• env_sun
• Environment Entities