#include <VectorField.h>

Public Member Functions
	FVectorFieldInstance ()

	~FVectorFieldInstance ()

void	Init (FVectorFieldResource *InResource, bool bInstanced)

void	UpdateTransforms (const FMatrix &LocalToWorld)

Public Attributes
TRefCountPtr< FVectorFieldResource >	Resource

FBox	WorldBounds

FMatrix	VolumeToWorldNoScale

FMatrix	WorldToVolume

FMatrix	VolumeToWorld

float	Tightness

float	Intensity

int32	Index

uint32	bTileX: 1

uint32	bTileY: 1

uint32	bTileZ: 1

uint32	bUseFixDT: 1

Detailed Description

An instance of a vector field.

Constructor & Destructor Documentation

◆ FVectorFieldInstance()

FVectorFieldInstance::FVectorFieldInstance ( )

inline

Default constructor.

◆ ~FVectorFieldInstance()

FVectorFieldInstance::~FVectorFieldInstance ( )

Destructor.

Member Function Documentation

◆ Init()

void FVectorFieldInstance::Init	(	FVectorFieldResource *	InResource,
		bool	bInstanced
	)

Initializes the instance for the given resource.

Parameters

InResource	- The resource to be used by this instance.
bInstanced	- true if the resource is instanced and ownership is being transferred.

◆ UpdateTransforms()

void FVectorFieldInstance::UpdateTransforms ( const FMatrix & LocalToWorld )

Update the transforms for this vector field instance.

Parameters

LocalToWorld - Transform from local space to world space.

Member Data Documentation

◆ bTileX

uint32 FVectorFieldInstance::bTileX

Tile vector field in x axis?

◆ bTileY

uint32 FVectorFieldInstance::bTileY

Tile vector field in y axis?

◆ bTileZ

uint32 FVectorFieldInstance::bTileZ

Tile vector field in z axis?

◆ bUseFixDT

uint32 FVectorFieldInstance::bUseFixDT

Use fix delta time in the simulation?

◆ Index

int32 FVectorFieldInstance::Index

Index of the vector field in the world.

◆ Intensity

float FVectorFieldInstance::Intensity

The amount by which to scale vectors for this instance of the field.

◆ Resource

TRefCountPtr<FVectorFieldResource> FVectorFieldInstance::Resource

The vector field resource. Kept an active ref count to manage release with UVectorFieldStatic.

◆ Tightness

float FVectorFieldInstance::Tightness

How tightly particles adhere to the vector field. 0: Vectors act like forces, 1: Vectors act like velocities.

◆ VolumeToWorld

FMatrix FVectorFieldInstance::VolumeToWorld

Transform from the vector field's local space to world space.

◆ VolumeToWorldNoScale

FMatrix FVectorFieldInstance::VolumeToWorldNoScale

Transform from the vector field's local space to world space, no scaling is applied.

◆ WorldBounds

FBox FVectorFieldInstance::WorldBounds

Bounds of the vector field in world space.

◆ WorldToVolume

FMatrix FVectorFieldInstance::WorldToVolume

Tra32nsform from world space to the vector field's local space.

The documentation for this class was generated from the following files:

Engine/Source/Runtime/Engine/Private/VectorField.h
Engine/Source/Runtime/Engine/Private/VectorField.cpp

Public Member Functions

Public Attributes