Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

UParticleModuleTrailSource

Choose your operating system:

Windows

macOS

Linux

Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UParticleModule

UParticleModuleTrailBase

UParticleModuleTrailSource

References

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

Syntax

class UParticleModuleTrailSource : public UParticleModuleTrailBase

Variables

	Name	Description
uint32: 1	bInheritRotation	Interhit particle rotation - only valid for SourceMethod of PET2SRCM_Particle.
uint32: 1	bLockSourceStength	Whether to lock the source to the life of the particle.
TEnumAsByte< en...	SelectionMethod	Particle selection method, when using the SourceMethod of Particle.
TEnumAsByte< en...	SourceMethod	The source method for the trail.
FName	SourceName	The name of the source - either the emitter or Actor.
int32	SourceOffsetCount	SourceOffsetCount The number of source offsets that can be expected to be found on the instance.
TArray< FVector...	SourceOffsetDefaults	Default offsets from the source(s).
FRawDistributio...	SourceStrength	The strength of the tangent from the source point for each Trail.

Constructors

	Name	Description
	UParticleModuleTrailSource ( const FObjectInitializer& ObjectIn... )

Functions

		Name	Description
	void	InitializeDefaults()	Initializes the default values for this property
	bool	ResolveSourceOffset ( int32 InTrailIdx, FParticleEmitterInstance* InEm..., FVector& OutSourceOffset )	Retrieve the SourceOffset for the given trail index.

Overridden from UParticleModule

		Name	Description
	void	AutoPopulateInstanceProperties ( UParticleSystemComponent* PSys... )	Helper function used by the editor to auto-populate a placed AEmitter with any instance parameters that are utilized.
	void	GetParticleSysParamsUtilized ( TArray< FString >& ParticleSysPara... )	Retrieve the ParticleSysParams associated with this module.

Overridden from UObject

		Name	Description
	void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyCha... )	Called when a property on this object has been modified externally
	void	PostInitProperties()	Called after the C++ constructor and after the properties have been initialized, including those loaded from config.