prop_thumper
prop_thumper is a point entity available in 
Half-Life 2, 
Half-Life 2: Episode One, 
Half-Life 2: Episode Two, and 
Half-Life 2: Deathmatch.
Entity description
An animated prop consisting of a cylinder that pounds the ground, to ward off antlions.
Note:This prop includes all the sounds and dust effects, no additional entities are needed.Keyvalues
- Name
(targetname)<string> - The name that other entities refer to this entity by, via Inputs/Outputs or other keyvalues (e.g.
parentnameortarget).
Also displayed in Hammer's 2D views and Entity Report.See also: Generic Keyvalues, Inputs and Outputs available to all entities
- Pitch Yaw Roll (Y Z X)
(angles)<angle> - This entity's orientation in the world. Pitch is rotation around the Y axis, yaw is the rotation around the Z axis, roll is the rotation around the X axis.
- World model
([todo internal name (i)])<model path> - Select the model for the thumper. (Suggested model: models/props_combine/CombineThumper002.mdl)
- Dust Scale
([todo internal name (i)])<choices> - Size of the dust.
Literal Value Description 128 Small Thumper 256 Large Thumper
Inputs
Enable- Enable Thumper.
Disable- Disable Thumper.
Outputs
OnThumped- Fired whenever the hammer hits the ground and triggers the effects.
