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> Unreal Engine API Reference > Runtime > Engine > FParticleBeamTrailVertexFactory

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FParticleBeamTrailVertexFactory

Beam/Trail particle vertex factory.

Windows

MacOS

Linux

Inheritance Hierarchy

FRenderResource

FVertexFactory

FParticleVertexFactoryBase

FParticleBeamTrailVertexFactory

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Public/ParticleBeamTrailVertexFactory.h
Include	#include "ParticleBeamTrailVertexFactory.h"

Syntax

class FParticleBeamTrailVertexFactory : public FParticleVertexFactoryBase

Remarks

Beam/Trail particle vertex factory.

Constructors

	Name	Description
	FParticleBeamTrailVertexFactory ( ERHIFeatureLevel::Type InFeatureLev... )
	FParticleBeamTrailVertexFactory ( EParticleVertexFactoryType InType, ERHIFeatureLevel::Type InFeatureLev... )	Default constructor.

Functions

	Name	Description
FParticleBea...	GetBeamTrailUniformBuffer()	Retrieve the uniform buffer for this vertex factory.
uint32 &	GetFirstIndex()
FIndexBuffer...	GetIndexBuffer()
int32 &	GetOutTriangleCount()
void	ModifyCompilationEnvironment ( const FVertexFactoryShaderPermutati..., FShaderCompilerEnvironment& OutEnv... )	Can be overridden by FVertexFactory subclasses to modify their compile environment just before compilation occurs.
void	SetBeamTrailUniformBuffer ( FParticleBeamTrailUniformBufferRef ... )	Set the uniform buffer for this vertex factory.
void	SetDynamicParameterBuffer ( const FVertexBuffer* InDynamic..., uint32 StreamOffset, uint32 Stride )	Set the source vertex buffer that contains particle dynamic parameter data.
void	SetUsesDynamicParameter ( bool bInUsesDynamicParameter )
void	SetVertexBuffer ( const FVertexBuffer* InBuffer, uint32 StreamOffset, uint32 Stride )	Set the source vertex buffer.
bool	ShouldCompilePermutation ( const FVertexFactoryShaderPermutati... )	Should we cache the material's shadertype on this platform with this vertex factory?

Overridden from FVertexFactory

		Name	Description
	FVertexFacto...	GetType()

Overridden from FRenderResource

		Name	Description
	void	InitRHI()	Initialize the Render Hardware Interface for this vertex factory

Constants

Name	Description
StaticType

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