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Unreal Engine C++ API Reference > Runtime > Engine > FParticleRibbonEmitterInstance
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Public/ParticleEmitterInstances.h |
| Include | #include "ParticleEmitterInstances.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Particles/ParticleTrail2EmitterInstance.cpp |
bool ResolveSourcePoint
&40;
int32 InTrailIdx,
FVector & OutPosition,
FQuat & OutRotation,
FVector & OutUp,
FVector & OutTangent,
float & OutTangentStrength
&41;
Remarks
Update the start particles of the trail, if needed
Resolve the source point for the given trail index. bool true if successful, false if not
Parameters
| Name | 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 |