trigger_physics_trap

Visualization of disintegration effects, from left to right: Energy, Light electrical, Heavy Electrical

 trigger_physics_trap is a brush entity available in the Half-Life 2 series.

Entity description

A volumetric trigger that disintegrates entities. It is used extensively in Citadel levels of Half-Life 2 within Combine generators and ball spawners. It disintegrates physics objects and enemies that enter it's volume with a selected visual effect.

In code, it is represented by theCTriggerPhysicsTrapclass, defined in thehl2_dll\hl2_triggers.cppfile.

Keyvalues

Dissolve Type <choices>

Dissolve effect type.

• 0 : Energy
• 1 : Heavy electrical
• 2 : Light electrical

BaseTrigger:

Filter Name (filtername) <filter>

A filter entity to test potential activators against.

Start Disabled (StartDisabled) <boolean>

Stay dormant until activated (with theEnableinput).

Angles:

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.

Flags

BaseTrigger:

•  [1] : Clients (Survivors, Special Infected, Tanks )

•  [2] : NPCs (Common Infected ,Witches )

•  [4] : func_pushable

•  [8] : Physics Objects

•  [16] : Only player ally NPCs

•  [32] : Only clients in vehicles

•  [64] : Everything (not including physics debris)

•  [512] : Only clients *not* in vehicles

•  [1024] : Physics debris

•  [2048] : Only NPCs in vehicles (respects player ally flag)

•  [4096] : Disallow Bots

Inputs

BaseTrigger:

Toggle

Toggles this trigger between enabled and disabled states.

Enable

Enable trigger

Disable

Disable trigger

TouchTest  (in all games since )

Triggers either the OnTouching or OnNotTouching outputs for whether anything is touching this entity.

StartTouch  (in all games since ) !FGD

Behave as if the !caller entity had just entered the trigger volume. Accepts non-physical entities.

EndTouch  (in all games since ) !FGD

Behave as if !caller had just exited the trigger volume.

DisableAndEndTouch  (only in ())

Disables this trigger and calls EndTouch on all currently-touching entities.

Outputs

BaseTrigger:

OnStartTouch

Fired when a valid entity starts touching this trigger. !activator is whatever touches the trigger.

OnStartTouchAll

Fired when a valid entity starts touching this trigger, and no other entities are touching it. If there are any other entities touching the trigger when a new one begins to touch, only OnStartTouch will fire.

OnEndTouch

Fired when a valid entity stops touching this trigger.

Warning:This includes entities which are deleted while inside the trigger. In this case !activator will be invalid.

OnEndTouchAll

Fired when all valid entities stop touching this trigger.

OnTouching  (in all games since )

Fired if something is currently touching this trigger when TouchTest is fired.

OnNotTouching  (in all games since )

Fired if nothing is currently touching this trigger when TouchTest is fired.