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> Unreal Engine API Reference > Runtime > Engine > FParticleAnimTrailEmitterInstance > FParticleAnimTrailEmitterInstance::RecalculateTangentAndInterpolationParam

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FParticleAnimTrailEmitterInstance::RecalculateTangentAndInterpolationParam

Helper function for recalculating tangents and the spline interpolation parameter...

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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

virtual void RecalculateTangentAndInterpolationParam
(
    FBaseParticle * PrevParticle,
    FAnimTrailTypeDataPayload * PrevTrailData,
    FBaseParticle * CurrParticle,
    FAnimTrailTypeDataPayload * CurrTrailData,
    FBaseParticle * NextParticle,
    FAnimTrailTypeDataPayload * NextTrailData
)

Remarks

Helper function for recalculating tangents and the spline interpolation parameter...

Helper function for recalculating tangents and the interpolation parameter for this particle...

Parameters

Parameter	Description
PrevParticle	The previous particle in the trail
PrevTrailData	The payload of the previous particle in the trail
CurrParticle	The current particle in the trail
CurrTrailData	The payload of the current particle in the trail
NextParticle	The next particle in the trail
NextTrailData	The payload of the next particle in the trail
PrevParticle	The previous particle in the trail
PrevTrailData	The payload of the previous particle in the trail
CurrParticle	The current particle in the trail
CurrTrailData	The payload of the current particle in the trail
NextParticle	The next particle in the trail
NextTrailData	The payload of the next particle in the trail

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