FParticleBeamTrailVertexFactory | Unreal Engine 5.7 Documentation

Beam/Trail particle vertex factory.


Name	FParticleBeamTrailVertexFactory
Type	class
Header File	/Engine/Source/Runtime/Engine/Public/ParticleBeamTrailVertexFactory.h
Include Path	#include "ParticleBeamTrailVertexFactory.h"

Syntax

class FParticleBeamTrailVertexFactory : public FParticleVertexFactoryBase

Name	Remarks	Include Path	Unreal Specifiers
FParticleBeamTrailVertexFactory ( ERHIFeatureLevel::Type InFeatureLevel )		ParticleBeamTrailVertexFactory.h
FParticleBeamTrailVertexFactory ( EParticleVertexFactoryType InType, ERHIFeatureLevel::Type InFeatureLevel )	Default constructor.	ParticleBeamTrailVertexFactory.h

Name	Type	Remarks	Include Path
StaticType	FVertexFactoryType		ParticleBeamTrailVertexFactory.h

Name	Type	Remarks	Include Path
BeamTrailUniformBuffer	FParticleBeamTrailUniformBufferRef	Uniform buffer with beam/trail parameters.	ParticleBeamTrailVertexFactory.h
bUsesDynamicParameter	bool		ParticleBeamTrailVertexFactory.h
FirstIndex	uint32		ParticleBeamTrailVertexFactory.h
IndexBuffer	FIndexBuffer *	Used to hold the index buffer allocation information when we call GDME more than once per frame.	ParticleBeamTrailVertexFactory.h
OutTriangleCount	int32		ParticleBeamTrailVertexFactory.h

Name	Remarks	Include Path
FParticleBeamTrailUniformBufferRef GetBeamTrailUniformBuffer()	Retrieve the uniform buffer for this vertex factory.	ParticleBeamTrailVertexFactory.h
uint32 & GetFirstIndex()		ParticleBeamTrailVertexFactory.h
FIndexBuffer *& GetIndexBuffer()		ParticleBeamTrailVertexFactory.h
int32 & GetOutTriangleCount()		ParticleBeamTrailVertexFactory.h
void SetBeamTrailUniformBuffer ( FParticleBeamTrailUniformBufferRef InSpriteUniformBuffer )	Set the uniform buffer for this vertex factory.	ParticleBeamTrailVertexFactory.h
void SetDynamicParameterBuffer ( const FVertexBuffer* InDynamicParameterBuffer, uint32 StreamOffset, uint32 Stride )	Set the source vertex buffer that contains particle dynamic parameter data.	ParticleBeamTrailVertexFactory.h
void SetUsesDynamicParameter ( bool bInUsesDynamicParameter )		ParticleBeamTrailVertexFactory.h
void SetVertexBuffer ( const FVertexBuffer* InBuffer, uint32 StreamOffset, uint32 Stride )	Set the source vertex buffer.	ParticleBeamTrailVertexFactory.h

Name	Remarks	Include Path	Unreal Specifiers
virtual FVertexFactoryType * GetType()		ParticleBeamTrailVertexFactory.h

Name	Remarks	Include Path	Unreal Specifiers
virtual void InitRHI ( FRHICommandListBase& RHICmdList )	Initialize the Render Hardware Interface for this vertex factory	ParticleBeamTrailVertexFactory.h

Name	Remarks	Include Path
static FRHIVertexDeclaration * GetPSOPrecacheVertexDeclaration ( bool bUsesDynamicParameter )		ParticleBeamTrailVertexFactory.h
static void GetPSOPrecacheVertexFetchElements ( EVertexInputStreamType VertexInputStreamType, FVertexDeclarationElementList& Elements )	Get vertex elements used when during PSO precaching materials using this vertex factory type	ParticleBeamTrailVertexFactory.h
static void ModifyCompilationEnvironment ( const FVertexFactoryShaderPermutationParameters& Parameters, FShaderCompilerEnvironment& OutEnvironment )	Can be overridden by FVertexFactory subclasses to modify their compile environment just before compilation occurs.	ParticleBeamTrailVertexFactory.h
static bool ShouldCompilePermutation ( const FVertexFactoryShaderPermutationParameters& Parameters )	Should we cache the material's shadertype on this platform with this vertex factory?	ParticleBeamTrailVertexFactory.h