env_shake
From Valve Developer Community
This is a point entity available in all Source games.
Contents |
Entity description
An entity to control screen shake on players.Availability
This point-based entity is available in: all Source games.
In code it is represented by class CEnvShake, defined in EnvShake.cpp.
Keyvalues
Targetname:
- Name <string>
- The targetname other entities refer to this entity by.
Parentname:
- Parent
<targetname> - Specifies the targetname of this entity's movement parent. Entities with parents move with their parent.
- amplitude
- <float> The amount of noise in the screen shake. Should be a range between 0 and 16.
- radius
- <float> The radius around this entity in which to affect players.
- duration
- <float> The length of time in which to shake the player's screens.
- frequency
- <float> The frequency used to apply the screen shake. Should be a value between 0 and 255, where 0.1 = jerk, and 255.0 = rumble.
Flags
- 1 : Shake everywhere
- 4 : In Air
- Shakes objects even if they are not on the ground
- 8 : Physics
- Shakes physics
- 16 : Ropes
- Shakes ropes
- 32 : No view
- Don't shake view
- 64 : No rumble controller (New with Left 4 Dead)
- Don't shake rumble controller
Inputs
Targetname:
-
Kill - Removes this entity from the world.
-
KillHierarchy - Removes this entity and all its children from the world.
-
AddOutput <string> - Evaluates a keyvalue/output on this entity. It can be potentially very dangerous, use with care.
- Format:
<key> <value> - Format:
<output name> <targetname>:<inputname>:<parameter>:<delay>:<max times to fire, -1 means infinite> -
FireUser1toFireUser4 - Fire the
OnUseroutputs; see User Inputs and Outputs.
Parentname:
-
SetParent <targetname> - Move with this entity. See Entity Hierarchy (parenting).
-
SetParentAttachment <string> - Attach to a named attachment on the current parent. The entity will teleport so that the position of its root bone matches that of the attachment.
-
SetParentAttachmentMaintainOffset <string> - As above, but without teleporting. The entity retains its position relative to the attachment at the time of the input being received.
-
ClearParent - Removes this entity from its current movement hierarchy.
- Amplitude <float>
- Set the amplitude (0-16)
- Frequency <float>
- Set the frequency. Should be a value between 0 and 255, where 0.1 = jerk, and 255.0 = rumble.
- StartShake
- Start the shake.
- StopShake
- Stop the shake.
Outputs
Targetname:
-
OnUser1toOnUser4 - Fired in response to the
FireUserinputs; see User Inputs and Outputs. -
OnKilled(New with Left 4 Dead) - Fired when the entity is killed and removed from the game.

