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  3. FParticleEmitterBuildInfo

FParticleEmitterBuildInfo

Unreal Engine C++ API Reference > Runtime > Engine

References

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

Syntax

struct FParticleEmitterBuildInfo

Variables

  Type Name Description
Public variable FComposableFloatDistribution AlphaScale The alpha scale of a particle over time.
Public variable bool bEnableCollision Enable collision?
Public variable uint32: 1 bLocalVectorFieldIgnoreComponentTransform If true, local vector fields ignore the component transform.
Public variable uint32: 1 bLocalVectorFieldTileX Tile vector field in x axis?
Public variable uint32: 1 bLocalVectorFieldTileY Tile vector field in y axis?
Public variable uint32: 1 bLocalVectorFieldTileZ Tile vector field in z axis?
Public variable uint32: 1 bLocalVectorFieldUseFixDT Use fix delta time in the simulation?
Public variable uint32: 1 bRemoveHMDRoll Particle alignment overrides
Public variable uint32: 1 bUseVelocityForMotionBlur  
Public variable uint8 CollisionMode  
Public variable float CollisionRadiusBias Bias applied to the collision radius.
Public variable float CollisionRadiusScale Radius scale applied to friction.
Public variable float CollisionRandomDistribution Random distribution across the reflection spreading cone when colliding.
Public variable float CollisionRandomSpread Factor reflection spreading cone when colliding.
Public variable uint8 CollisionResponse How particles respond to collision.
Public variable FComposableVectorDistribution ColorScale The color scale of a particle over time.
Public variable FVector ConstantAcceleration Constant acceleration to apply to particles.
Public variable FComposableFloatDistribution DragCoefficient Drag coefficient.
Public variable FComposableFloatDistribution DragScale Drag scale over life.
Public variable FRawDistributionFloat DynamicAlpha An additional alpha scale for allowing parameters to be used for ColorOverLife modules.
Public variable FRawDistributionFloat DynamicAlphaScale An additional alpha scale for allowing parameters to be used for ColorScaleOverLife modules.
Public variable FRawDistributionVector DynamicColor An additional color scale for allowing parameters to be used for ColorOverLife modules.
Public variable FRawDistributionVector DynamicColorScale An additional color scale for allowing parameters to be used for ColorScaleOverLife modules.
Public variable int32 EstimatedMaxActiveParticleCount The estimated maximum number of particles for this emitter.
Public variable float Friction Friction.
Public variable float GlobalVectorFieldScale Global vector field scale.
Public variable float GlobalVectorFieldTightness Global vector field tightness.
Public variable UVectorField * LocalVectorField Local vector field.
Public variable float LocalVectorFieldIntensity Local vector field intensity.
Public variable FVector LocalVectorFieldMaxInitialRotation Maximum initial rotation applied to local vector fields.
Public variable FVector LocalVectorFieldMinInitialRotation Minimum initial rotation applied to local vector fields.
Public variable FVector LocalVectorFieldRotationRate Local vector field rotation rate.
Public variable float LocalVectorFieldTightness Tightness tweak for local vector fields.
Public variable FTransform LocalVectorFieldTransform Local vector field transform.
Public variable float MaxFacingCameraBlendDistance  
Public variable float MaxLifetime The maximum lifetime of any particle that will spawn.
Public variable float MaxRotationRate The maximum rotation rate of particles.
Public variable FVector2D MaxSize The maximum size of a particle.
Public variable FVector2D MaxSizeScaleBySpeed The maximum amount by which to scale a particle based on its speed.
Public variable float MinFacingCameraBlendDistance  
Public variable FComposableVectorDistribution OrbitInitialRotation The accumulated orbit initial rotation.
Public variable FComposableVectorDistribution OrbitOffset The accumulated orbit offset.
Public variable FComposableVectorDistribution OrbitRotationRate The accumulated orbit rotation rate.
Public variable FVector2D PivotOffset An offset in UV space for the positioning of a sprites vertices.
Public variable FVector PointAttractorPosition Location of a point source attractor.
Public variable float PointAttractorRadius Radius of the point source attractor.
Public variable FComposableFloatDistribution PointAttractorStrength Strength of the point attractor.
Public variable UParticleModuleRequired * RequiredModule The required module.
Public variable FComposableFloatDistribution Resilience Collision damping factor.
Public variable FComposableFloatDistribution ResilienceScaleOverLife Collision damping factor scale over life.
Public variable int32 ScreenAlignment  
Public variable FComposableVectorDistribution SizeScale How to scale a particle's size over time.
Public variable FVector2D SizeScaleBySpeed How much to scale a particle's size based on its speed.
Public variable UParticleModuleSpawn * SpawnModule The spawn module.
Public variable TArray< class UParticleModule * > SpawnModules List of spawn modules that need to be invoked at runtime.
Public variable UParticleModuleSpawnPerUnit * SpawnPerUnitModule The spawn-per-unit module.
Public variable FComposableFloatDistribution SubImageIndex The sub-image index over the particle's life time.
Public variable FComposableFloatDistribution VectorFieldScale The per-particle vector field scale.
Public variable FComposableFloatDistribution VectorFieldScaleOverLife The per-particle vector field scale-over-life.

Constructors

  Type Name Description
Public function   Default constructor.

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