env_wind
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 class hierarchy
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CEnvWind defined in effects.cpp
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env_wind is a point entity available in all 
Source games. It creates wind throughout an entire map.
Note:In some/all multiplayer games, this is a preserved entity.
- On a new round, its properties including its position will intentionally not reset. You can use logic_auto to emulate resetting it.
- Killing it removes it forever, as it is not respawned on a new round.
- It cannot be spawned with a point_template.
Note:Wind direction is determined by env_wind's yaw value.Note:In most games that have $treeSway, this entity is required in order for the materials to simulate wind blowing on them. $treesway does not require env_wind if $treeswaystatic (
only) is used.
Bug:The wind effect in the client game will not change when a new map is loaded which does not contain an env_wind entity.Contents
Keyvalues
- Min normal speed
(minwind)<integer> - Minimum speed of the wind while idling.
- Max normal speed
(maxwind)<integer> - Maximum speed of the wind while idling.
- Min gust speed
(mingust)<integer> - Minimum speed of wind gusts.
- Max gust speed
(maxgust)<integer> - Maximum speed of wind gusts.
- Min gust delay
(mingustdelay)<integer> - Minimum time delay between random gusts.
- Max gust delay
(maxgustdelay)<integer> - Maximum time delay between random gusts.
- Gust Duration
(gustduration)<integer> - How long will the wind gust for.
- Max gust dir change (degrees)
(gustdirchange)<integer> - Maximum amount that the wind's direction changes due to a gust.
- Radius
(windradius)<float> (only in
) - The radius this entity applies wind effects to. -1 for global effect.
Targetname:
- Name
(targetname)<string> - The targetname that other entities refer to this entity by.
Inputs
Enable(only in
)- Turns the wind on
Disable(only in)- Turns the wind off
Outputs
OnGustStart- Fired when a wind gust begins. Bug:env_wind gusts can seemingly pile up and fire this output multiple times when a player first loads into a multiplayer map.
Workaround: Use AddOutput to add OnGustStart effects when players are already connected
Todo: Needs more testing, only observed in
OnGustEnd- Fired when a wind gust ends.
