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Unreal Engine C++ API Reference > Runtime > Engine > FParticleBeam2EmitterInstance
- FParticleEmitterInstance::GetBeamSourceTangent()
- FParticleBeam2EmitterInstance::GetBeamSourceTangent()
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Public/ParticleEmitterInstances.h |
| Include | #include "ParticleEmitterInstances.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Particles/ParticleBeam2EmitterInstance.cpp |
virtual bool GetBeamSourceTangent
&40;
int32 SourceIndex,
FVector & OutTangentPoint
&41; const
Remarks
Get the source tangent at the given index true SourceIndex is valid - OutSourceTangent is valid false SourceIndex is invalid - OutSourceTangent is invalid
Parameters
| Name | Description |
|---|---|
| SourceIndex | The index of the source point |
| OutSourceTangent | Value of of source tangent |