Trigger

Trigger creates a shape-based volume in the world that detects when other actors overlap it. These triggers are useful for gameplay logic like entering zones, starting scripted events, teleporting players, or detecting proximity. Supported shapes include spheres, boxes, and capsules. You can assign a Lua callback to respond to overlaps and optionally restrict which classes are allowed to trigger them

Tip

Trigger is an Actor so it inherits all functions from Actor

Constructor

Example

local trig = Trigger(
    Vector(0, 0, 200),
    Rotator(),
    Vector(100),
    TriggerType.Sphere,
    true,
    function(self, other) print(other:GetName()) end,
    Color(1, 0, 0, 0.5)
)

Name	Type	Default	Description
Location	Vector	(0,0,0)	World position for the trigger
Rotation	Rotator	(0,0,0)	World rotation
Extent	Vector	(100,100,100)	Shape extents (radius, box half-size, or capsule radius/height)
TriggerType	enum	TriggerType.Sphere	Shape of the volume — Sphere, Box, or Capsule
bVisible	boolean	false	If true, draws a semi-transparent debug shape
CallbackFunction	function	Required	Function called on actor overlap
Color	Color	(0,1,0,0.5)	Debug color if visible
OverlapOnlyClasses	table	{}	Optional array of UClass paths to restrict overlap (e.g. only /Script/Engine.Pawn)