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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/Particles > API/Runtime/Engine/Particles/SubUV > API/Runtime/Engine/Particles/SubUV/UParticleModuleSubUV
- UParticleModuleSubUV::DetermineImageIndex()
- UParticleModuleSubUVMovie::DetermineImageIndex()
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Classes/Particles/SubUV/ParticleModuleSubUV.h |
| Include | #include "Particles/SubUV/ParticleModuleSubUV.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Particles/ParticleModules.cpp |
virtual float DetermineImageIndex
&40;
FParticleEmitterInstance &42; Owner,
int32 Offset,
FBaseParticle &42; Particle,
EParticleSubUVInterpMethod InterpMethod,
FFullSubUVPayload & SubUVPayload,
float DeltaTime
&41;
Remarks
Determine the current image index to use... float The image index with interpolation amount as the fractional portion.
Parameters
| Name | Description |
|---|---|
| Owner | The emitter instance being updated. |
| Offset | The offset to the particle payload for this module. |
| Particle | The particle that the image index is being determined for. |
| InterpMethod | The EParticleSubUVInterpMethod method used to update the subUV. |
| SubUVPayload | The FFullSubUVPayload for this particle. |