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

> Unreal Engine API Reference > Runtime > Engine > FParticleRibbonEmitterInstance > FParticleRibbonEmitterInstance::ResolveSourcePoint

Light Theme

Dark Theme

FParticleRibbonEmitterInstance::ResolveSourcePoint

Virtual void UpdateStartParticles(float DeltaTime, bool bFirstTime);

Windows

MacOS

Linux

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Public/ParticleEmitterInstances.h
Include	#include "ParticleEmitterInstances.h"
Source	/Engine/Source/Runtime/Engine/Private/Particles/ParticleTrail2EmitterInstance.cpp

Syntax

bool ResolveSourcePoint
(
    int32 InTrailIdx,
    FVector & OutPosition,
    FQuat & OutRotation,
    FVector & OutUp,
    FVector & OutTangent,
    float & OutTangentStrength
)

Remarks

Update the start particles of the trail, if needed

Resolve the source point for the given trail index.

Returns

bool true if successful, false if not

Parameters

Parameter	Description
InTrailIdx	The index of the trail to resolve
OutPosition	The position of the source
OutRotation	The rotation of the source
OutUp	The 'up' of the source (if required)
OutTangent	The tangent of the source
OutTangentStrength	The strength of the tangent of the source

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss