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> Unreal Engine API Reference > Runtime > Engine > Particles > DECLARE_DYNAMIC_MULTICAST_DELEGATE_NineParams

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DECLARE_DYNAMIC_MULTICAST_DELEGATE_NineParams

Fires when a particle dies

Windows

MacOS

Linux

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Particles/Emitter.h
Include	#include "Particles/Emitter.h"

Syntax

DECLARE_DYNAMIC_MULTICAST_DELEGATE_NineParams
(
    FParticleCollisionSignature,
    FName,
    EventName,
    float,
    EmitterTime,
    int32,
    ParticleTime,
    FVector,
    Location,
    FVector,
    Velocity,
    FVector,
    Direction,
    FVector,
    Normal,
    FName,
    BoneName,
    UPhysicalMaterial *,
    PhysMat
)

Remarks

Fires when a particle dies

Parameters

Parameter	Description
EventName	Custom event name for the Collision Event.
EmitterTime	The emitter time when the event occured.
ParticleTime	How long the particle had been alive at the time of the event.
Location	Location of the collision.
Velocity	Velocity of the particle at the point of collision.
Direction	Direction of the particle at the point of collision.
Normal	Normal to the surface with which collision occurred.
BoneName-	Name of the bone that the particle collided with. (Only valid if collision was with a Skeletal Mesh)
PhysMat	Physical Material for this collision.

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