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> Unreal Engine API Reference > Runtime > FieldSystemEngine > Field > UFieldSystemComponent

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UFieldSystemComponent

UENUM(BlueprintType) enum class EChaosObjectType Chaos_Destruction UMETA(DisplayName = "Set Always", ToolTip = "The particle output value will be equal to Interior-value if the particle position is inside a sphere / Exterior-value otherwise."), Chaos_Rigid,

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UActorComponent

USceneComponent

UPrimitiveComponent

UFieldSystemComponent

References

Module	FieldSystemEngine
Header	/Engine/Source/Runtime/Experimental/FieldSystem/Source/FieldSystemEngine/Public/Field/FieldSystemComponent.h
Include	#include "Field/FieldSystemComponent.h"

Syntax

class UFieldSystemComponent : public UPrimitiveComponent

Remarks

UENUM(BlueprintType) enum class EChaosObjectType Chaos_Destruction UMETA(DisplayName = "Set Always", ToolTip = "The particle output value will be equal to Interior-value if the particle position is inside a sphere / Exterior-value otherwise."), Chaos_Rigid,

Chaos_Rban UMETA(DisplayName = "Merge Interior", ToolTip = "The particle output value will be equal to Interior-value if the particle position is inside the sphere or if the particle input value is already Interior-Value / Exterior-value otherwise."), Chaos_Cloth UMETA(DisplayName = "Merge Exterior", ToolTip = "The particle output value will be equal to Exterior-value if the particle position is outside the sphere or if the particle input value is already Exterior-Value / Interior-value otherwise."), //~~~ //256th entry Chaos_Objects_Max UMETA(Hidden) FieldSystemComponent

Variables

	Name	Description
bool	bHasPhysicsState	Boolean to check that the physics state has been built
bool	bIsChaosField	If enabled the field will be used by all the chaos solvers
bool	bIsWorldField	If enabled the field will be pushed to the world fields and will be available to materials and niagara
FFieldObjectCom...	BufferCommands	List of all the buffer command
FChaosSolversMo...	ChaosModule	Chaos module linked to that component
TArray< FFieldS...	ChaosPersistentFields	List of all the chaos peristent fields
FFieldObjectCom...	ConstructionCommands	List of all the construction command
TObjectPtr< UFi...	FieldSystem	Field system asset to be used to store the construction fields
TArray< FFieldS...	SetupConstructionFields	List of all the field used to setup chaos (anchor...)
TArray< TSoftOb...	SupportedSolvers	List of solvers this field will affect. An empty list makes this field affect all solvers.
TArray< FFieldS...	WorldCPUPersistentFields	List of the world CPU peristent fields created by this field component
TArray< FFieldS...	WorldGPUPersistentFields	List of the world GPU peristent fields created by this field component

Constructors

	Name	Description
	UFieldSystemComponent ( const FObjectInitializer& ObjectIn... )

Functions

	Name	Description
void	AddFieldCommand ( bool Enabled, EFieldPhysicsType Target, UFieldSystemMetaData* MetaData, UFieldNodeBase* Field )	AddConstructionField This function will dispatch a command to the physics thread to apply a generic evaluation of a user defined field network.
void	AddPersistentField ( bool Enabled, EFieldPhysicsType Target, UFieldSystemMetaData* MetaData, UFieldNodeBase* Field )	AddPersistentField This function will dispatch a command to the physics thread to apply a generic evaluation of a user defined field network.
void	ApplyLinearForce ( bool Enabled, FVector Direction, float Magnitude )	ApplyUniformForce This function will dispatch a command to the physics thread to apply a uniform linear force on each particle within the simulation.
void	ApplyPhysicsField ( bool Enabled, EFieldPhysicsType Target, UFieldSystemMetaData* MetaData, UFieldNodeBase* Field )	AddTransientField This function will dispatch a command to the physics thread to apply a generic evaluation of a user defined transient field network.
void	ApplyRadialForce ( bool Enabled, FVector Position, float Magnitude )	ApplyRadialForce This function will dispatch a command to the physics thread to apply a linear force that points away from a position.
void	ApplyRadialVectorFalloffForce ( bool Enabled, FVector Position, float Radius, float Magnitude )	FalloffRadialForce This function will dispatch a command to the physics thread to apply a linear force from a position in space.
void	ApplyStayDynamicField ( bool Enabled, FVector Position, float Radius )	SetDynamicState This function will dispatch a command to the physics thread to apply a kinematic to dynamic state change for the particles within the field.
void	ApplyStrainField ( bool Enabled, FVector Position, float Radius, float Magnitude, int32 Iterations )	ApplyExternalStran This function will dispatch a command to the physics thread to apply a strain field on a clustered set of geometry.
void	ApplyUniformVectorFalloffForce ( bool Enabled, FVector Position, FVector Direction, float Radius, float Magnitude )	FalloffUniformForce This function will dispatch a command to the physics thread to apply a linear force in a uniform direction.
void	BuildFieldCommand ( bool Enabled, EFieldPhysicsType Target, UFieldSystemMetaData* MetaData, UFieldNodeBase* Field, const bool IsTransient )	Build a physics field command and dispatch it
void	ClearFieldCommands()	Remove the persistent commands from chaos/world
void	DispatchFieldCommand ( const FFieldSystemCommand& InComma..., const bool IsTransient )	Dispatch the field command to chaos/world
const TArray...	GetConstructionFields()	Get all the construction fields
const UField...	GetFieldSystem()	Get the field system asset
TSet< FPhysS...	GetPhysicsScenes()	Get ell ethe supported physics scenes
TArray< Chao...	GetPhysicsSolvers()	Get ell the supported physics solvers
void	RemovePersistentFields()	RemovePersistentFields This function will remove all the field component persistent fields from chaos and from the world
void	ResetFieldSystem()	RemoveConstructionFields This function will remove all the field component construction fields from chaos and from the world
void	SetFieldSystem ( UFieldSystem* FieldSystemIn )	Set the field system asset

Overridden from UPrimitiveComponent

		Name	Description
	FPrimitiveSc...	CreateSceneProxy()	Creates a proxy to represent the primitive to the scene manager in the rendering thread.

Overridden from USceneComponent

		Name	Description
	bool	HasAnySockets()	Returns true if this component has any sockets

Overridden from UActorComponent

	Name	Description
bool	HasValidPhysicsState()	Used to check that DestroyPhysicsState() is working correctly
void	OnCreatePhysicsState()	Used to create any physics engine information for this component
void	OnDestroyPhysicsState()	Used to shut down and physics engine structure for this component
bool	ShouldCreatePhysicsState()	Return true if CreatePhysicsState() should be called.