APixoVRHand is an actor class that represents a hand in the VR environment. More...

#include <PixoVRHand.h>

Inheritance diagram for APixoVRHand:

Public Member Functions
	APixoVRHand ()

void	DeactivateTouchCooldown ()
	Deactivates the touch cooldown of the hand.

bool	DenyDropping ()
	Deny dropping. If this is set to true the actor will not be dropped after releasing until set to false again.

bool	DenyGrippingPixoVR (UGripMotionControllerComponent *GrippingController)
	Deny gripping. If this is set to true the actor can't be gripped anymore until set the false again.

bool	DenyTriggerGripping ()
	Deny gripping after triggering grip.

bool	DisablePhysicsOnDrop ()
	Disable Physics on Drop. When this is set to 'true' if user drops object it will disable physics else it will use default.

TArray< FVector >	GetRelativePointsArray (USplineComponent *FingerSpline, float Precision)
	Retrieves an array of relative points along the finger spline.

void	GrabObject ()
	Grabs the object currently overlapped by grab sphere.

void	GripMode (EPixoVRGripModeEnum &GripMode)
	Will be used to determine how to do the grabbing. Using normal attachment or a physics constraint.

void	GripTriggerMode (EPixoVRGripTriggerModeEnum &GripTriggerMode)
	Will be used to determine how the gripping trigger should behave.

void	GripTriggerTransform (UGripMotionControllerComponent *GrippingController, bool &UseCustomTransform, FTransform &CustomTransform)
	This specified transformation will be used when flag is set and a grip is happening.

void	InitPixoVRHands (EControllerHand MotionSource, APixoVRCharacter *Character)

void	ManuallyPutActorToHand (AActor *ActorRef)
	Manually puts an actor into the hand. Hand will try to grab this actor.

void	OnGripObject (UGripMotionControllerComponent GrippingController, AActor GrippedActor)
	Will be called when user grabs an object.

void	OnGripObjectRelease (UGripMotionControllerComponent ReleasingController, AActor GrippedActor)
	Will be called when the user releases an object.

void	OnObjectPaused ()
	This event runs when the user "pauses" this object. Pausing should turn off visibility and functionality of this object.

void	OnObjectUnPaused ()
	This event runs when the user "unpauses" this object. Unpausing should turn on visibility and functionality of this object.

void	OnTouchWidget (UWidgetComponent WidgetComponent, UWidgetComponent PreviousWidgetComponent)
	Called when the hand touches a widget component.

void	OnTryGripObject (UGripMotionControllerComponent GrippingController, AActor GrippedActor)
	Will be called when user tried to grab the object.

void	ReleaseHeldObjectOnOtherHand (AActor *HeldActor)
	Releases the held object on the other hand.

void	ReleaseObject ()
	Releases the currently held object.

void	SetupFingerTracePoints ()
	Sets up the cache of relative points for finger tracing. This function should be called during initialization to precalculate the relative points along each finger spline.

virtual void	Tick (float DeltaTime) override

void	ToggleLaser (bool Visible)
	Toggles the visibility of the laser.

float	TraceFingerForObstacle (TArray< FVector > RelativePointsArray)
	Traces the finger along the given array of relative points to check for obstacles.

void	UpdateFingerData ()
	Updates the finger data by tracing each finger for obstacles and storing the normalized obstacle distances. This function should be when we trying to grip object.

Public Attributes
bool	ChangeHandAnimationNearInteractableObject = false
	UPROPERTY(EditDefaultsOnly, Category = "Animation")

FFingerData	FingerData
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Replicated, Category = "Animation")

USphereComponent *	GrabSphere
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Components")

EGrippableTypeChecker	GrippableTypeChecker = EGrippableTypeChecker::Default
	Flag that indicated near which objects should we change animation.

UObject *	HandHoldingObject
	UPROPERTY(BlueprintReadOnly, Replicated, Category = "PixoVR")

USkeletalMeshComponent *	HandMesh
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Components")

EControllerHand	HandMotionSource
	UPROPERTY(BlueprintReadWrite, Category = "Init", meta = (ExposeOnSpawn = "true"))

TArray< FVector >	IndexPositionCache

USplineComponent *	IndexSpline
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

bool	InteractableObjectNearHand = false

bool	IsObjectHighlightActive = false
	Show highlight if hand near object that we can grab.

UStaticMeshComponent *	LaserMesh
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Components")

USoundCue *	LaserSound
	UPROPERTY()

TArray< FVector >	MiddlePositionCache

USplineComponent *	MiddleSpline
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

UGripMotionControllerComponent *	MotionController
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Components")

AActor *	OverlapedActor = nullptr

APixoVRCharacter *	OwningCharacter
	UPROPERTY(BlueprintReadWrite, Category = "Init")

TArray< FVector >	PinkyPositionCache

USplineComponent *	PinkySpline
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

TArray< FVector >	RingPositionCache

USplineComponent *	RingSpline
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

USceneComponent *	Root
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Components")

TArray< FVector >	ThumbPositionCache

USplineComponent *	ThumbSpline
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

UWidgetInteractionComponent *	TouchComponent
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

bool	UseCustomAnimation = false
	UPROPERTY(BlueprintReadWrite, Category = "Animation")

Protected Member Functions
virtual void	BeginPlay () override

void	GetOverlappingActor (FOverlappingInfo &OverlappingInfo)
	Gets the info of actor currently overlapping with the grab sphere.

Protected Attributes
bool	TouchComponentCooldownActive

Private Member Functions
	GENERATED_BODY ()

Detailed Description

APixoVRHand is an actor class that represents a hand in the VR environment.

UCLASS()

Definition at line 98 of file PixoVRHand.h.

Constructor & Destructor Documentation

◆ APixoVRHand()

APixoVRHand::APixoVRHand ( )

Definition at line 12 of file PixoVRHand.cpp.

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Member Function Documentation

◆ BeginPlay()

void APixoVRHand::BeginPlay ( )

overrideprotectedvirtual

Definition at line 271 of file PixoVRHand.cpp.

◆ DeactivateTouchCooldown()

void APixoVRHand::DeactivateTouchCooldown ( )

BlueprintCallable

Deactivates the touch cooldown of the hand.

UFUNCTION(BlueprintCallable, Category = "TouchWidget")

Definition at line 137 of file PixoVRHand.cpp.

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◆ DenyDropping()

bool IPixoVRGripInterface::DenyDropping ( )

inheritedBlueprintCallableBlueprintNativeEvent

Deny dropping. If this is set to true the actor will not be dropped after releasing until set to false again.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ DenyGrippingPixoVR()

bool IPixoVRGripInterface::DenyGrippingPixoVR ( UGripMotionControllerComponent * GrippingController )

inheritedBlueprintCallableBlueprintNativeEvent

Deny gripping. If this is set to true the actor can't be gripped anymore until set the false again.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ DenyTriggerGripping()

bool IPixoVRGripInterface::DenyTriggerGripping ( )

inheritedBlueprintCallableBlueprintNativeEvent

Deny gripping after triggering grip.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ DisablePhysicsOnDrop()

bool IPixoVRGripInterface::DisablePhysicsOnDrop ( )

inheritedBlueprintCallableBlueprintNativeEvent

Disable Physics on Drop. When this is set to 'true' if user drops object it will disable physics else it will use default.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ GENERATED_BODY()

APixoVRHand::GENERATED_BODY ( )

private

◆ GetOverlappingActor()

void APixoVRHand::GetOverlappingActor ( FOverlappingInfo & OverlappingInfo )

protected

Gets the info of actor currently overlapping with the grab sphere.

Parameters

OverlappingInfo The struct to store the overlapping information.

Definition at line 395 of file PixoVRHand.cpp.

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◆ GetRelativePointsArray()

TArray< FVector > APixoVRHand::GetRelativePointsArray	(	USplineComponent *	FingerSpline,
		float	Precision )

BlueprintCallable

Retrieves an array of relative points along the finger spline.

Parameters

FingerSpline	The spline component representing the finger.
Precision	The number of points to generate along the spline.

Returns: An array of relative points along the finger spline.

UFUNCTION(BlueprintCallable, Category = "Animation")

Definition at line 183 of file PixoVRHand.cpp.

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◆ GrabObject()

void APixoVRHand::GrabObject ( )

Grabs the object currently overlapped by grab sphere.

UFUNCTION()

Definition at line 74 of file PixoVRHand.cpp.

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◆ GripMode()

void IPixoVRGripInterface::GripMode ( EPixoVRGripModeEnum & GripMode )

inheritedBlueprintCallableBlueprintNativeEvent

Will be used to determine how to do the grabbing. Using normal attachment or a physics constraint.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ GripTriggerMode()

void IPixoVRGripInterface::GripTriggerMode ( EPixoVRGripTriggerModeEnum & GripTriggerMode )

inheritedBlueprintCallableBlueprintNativeEvent

Will be used to determine how the gripping trigger should behave.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ GripTriggerTransform()

void IPixoVRGripInterface::GripTriggerTransform	(	UGripMotionControllerComponent *	GrippingController,
		bool &	UseCustomTransform,
		FTransform &	CustomTransform )

inheritedBlueprintCallableBlueprintNativeEvent

This specified transformation will be used when flag is set and a grip is happening.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ InitPixoVRHands()

void APixoVRHand::InitPixoVRHands	(	EControllerHand	MotionSource,
		APixoVRCharacter *	Character )

Definition at line 353 of file PixoVRHand.cpp.

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◆ ManuallyPutActorToHand()

void APixoVRHand::ManuallyPutActorToHand ( AActor * ActorRef )

Manually puts an actor into the hand. Hand will try to grab this actor.

Parameters

ActorRef The actor to put into the hand.

UFUNCTION()

Definition at line 116 of file PixoVRHand.cpp.

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◆ OnGripObject()

void IPixoVRGripInterface::OnGripObject	(	UGripMotionControllerComponent *	GrippingController,
		AActor *	GrippedActor )

inheritedBlueprintCallableBlueprintNativeEvent

Will be called when user grabs an object.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ OnGripObjectRelease()

void IPixoVRGripInterface::OnGripObjectRelease	(	UGripMotionControllerComponent *	ReleasingController,
		AActor *	GrippedActor )

inheritedBlueprintCallableBlueprintNativeEvent

Will be called when the user releases an object.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ OnObjectPaused()

void IPixoVRGripInterface::OnObjectPaused ( )

inheritedBlueprintCallableBlueprintNativeEvent

This event runs when the user "pauses" this object. Pausing should turn off visibility and functionality of this object.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ OnObjectUnPaused()

void IPixoVRGripInterface::OnObjectUnPaused ( )

inheritedBlueprintCallableBlueprintNativeEvent

This event runs when the user "unpauses" this object. Unpausing should turn on visibility and functionality of this object.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ OnTouchWidget()

void APixoVRHand::OnTouchWidget	(	UWidgetComponent *	WidgetComponent,
		UWidgetComponent *	PreviousWidgetComponent )

BlueprintCallable

Called when the hand touches a widget component.

Parameters

WidgetComponent	The widget component that was touched.
PreviousWidgetComponent	The previously touched widget component.

UFUNCTION(BlueprintCallable, Category = "TouchWidget")

Definition at line 126 of file PixoVRHand.cpp.

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◆ OnTryGripObject()

void IPixoVRGripInterface::OnTryGripObject	(	UGripMotionControllerComponent *	GrippingController,
		AActor *	GrippedActor )

inheritedBlueprintCallableBlueprintNativeEvent

Will be called when user tried to grab the object.

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "PixoVR | Grip Interface")

◆ ReleaseHeldObjectOnOtherHand()

void APixoVRHand::ReleaseHeldObjectOnOtherHand ( AActor * HeldActor )

Releases the held object on the other hand.

Parameters

HeldActor The actor that is being held.

UFUNCTION()

Definition at line 143 of file PixoVRHand.cpp.

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◆ ReleaseObject()

void APixoVRHand::ReleaseObject ( )

Releases the currently held object.

UFUNCTION()

Definition at line 101 of file PixoVRHand.cpp.

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◆ SetupFingerTracePoints()

void APixoVRHand::SetupFingerTracePoints ( )

BlueprintCallable

Sets up the cache of relative points for finger tracing. This function should be called during initialization to precalculate the relative points along each finger spline.

UFUNCTION(BlueprintCallable, Category = "Animation")

Definition at line 251 of file PixoVRHand.cpp.

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◆ Tick()

void APixoVRHand::Tick ( float DeltaTime )

overridevirtual

Definition at line 280 of file PixoVRHand.cpp.

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◆ ToggleLaser()

void APixoVRHand::ToggleLaser ( bool Visible )

BlueprintCallable

Toggles the visibility of the laser.

Parameters

Visible Indicates whether the laser should be visible or not.

UFUNCTION(BlueprintCallable)

Definition at line 176 of file PixoVRHand.cpp.

◆ TraceFingerForObstacle()

float APixoVRHand::TraceFingerForObstacle ( TArray< FVector > RelativePointsArray )

BlueprintCallable

Traces the finger along the given array of relative points to check for obstacles.

Parameters

RelativePointsArray The array of relative points along the finger spline.

Returns: The normalized distance along the finger spline where an obstacle is encountered. Returns 0 if no obstacles are found, 1 if the entire spline is obstructed.

UFUNCTION(BlueprintCallable, Category = "Animation")

Definition at line 207 of file PixoVRHand.cpp.

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◆ UpdateFingerData()

void APixoVRHand::UpdateFingerData ( )

BlueprintCallable

Updates the finger data by tracing each finger for obstacles and storing the normalized obstacle distances. This function should be when we trying to grip object.

UFUNCTION(BlueprintCallable, Category = "Animation")

Definition at line 261 of file PixoVRHand.cpp.

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Member Data Documentation

◆ ChangeHandAnimationNearInteractableObject

bool APixoVRHand::ChangeHandAnimationNearInteractableObject = false

EditDefaultsOnly

UPROPERTY(EditDefaultsOnly, Category = "Animation")

Definition at line 303 of file PixoVRHand.h.

◆ FingerData

FFingerData APixoVRHand::FingerData

ReplicatedBlueprintReadWriteEditAnywhere

UPROPERTY(EditAnywhere, BlueprintReadWrite, Replicated, Category = "Animation")

Definition at line 282 of file PixoVRHand.h.

◆ GrabSphere

USphereComponent* APixoVRHand::GrabSphere

VisibleAnywhereBlueprintReadWrite

UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 124 of file PixoVRHand.h.

◆ GrippableTypeChecker

EGrippableTypeChecker APixoVRHand::GrippableTypeChecker = EGrippableTypeChecker::Default

EditDefaultsOnly

Flag that indicated near which objects should we change animation.

UPROPERTY(EditDefaultsOnly, Category = "Animation", meta = (EditCondition = "ChangeHandAnimationNearInteractableObject == true", EditConditionHides))

Definition at line 311 of file PixoVRHand.h.

◆ HandHoldingObject

UObject* APixoVRHand::HandHoldingObject

ReplicatedBlueprintReadOnly

UPROPERTY(BlueprintReadOnly, Replicated, Category = "PixoVR")

Definition at line 228 of file PixoVRHand.h.

◆ HandMesh

USkeletalMeshComponent* APixoVRHand::HandMesh

VisibleAnywhereBlueprintReadWrite

UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 130 of file PixoVRHand.h.

◆ HandMotionSource

EControllerHand APixoVRHand::HandMotionSource

BlueprintReadWrite

UPROPERTY(BlueprintReadWrite, Category = "Init", meta = (ExposeOnSpawn = "true"))

Definition at line 352 of file PixoVRHand.h.

◆ IndexPositionCache

TArray<FVector> APixoVRHand::IndexPositionCache

Definition at line 324 of file PixoVRHand.h.

◆ IndexSpline

USplineComponent* APixoVRHand::IndexSpline

BlueprintReadWriteEditAnywhere

UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 148 of file PixoVRHand.h.

◆ InteractableObjectNearHand

bool APixoVRHand::InteractableObjectNearHand = false

Definition at line 320 of file PixoVRHand.h.

◆ IsObjectHighlightActive

bool APixoVRHand::IsObjectHighlightActive = false

EditDefaultsOnly

Show highlight if hand near object that we can grab.

UPROPERTY(EditDefaultsOnly, Category = "Animation", meta = (EditCondition = "ChangeHandAnimationNearInteractableObject == true", EditConditionHides))

Definition at line 319 of file PixoVRHand.h.

◆ LaserMesh

UStaticMeshComponent* APixoVRHand::LaserMesh

VisibleAnywhereBlueprintReadWrite

UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 136 of file PixoVRHand.h.

◆ LaserSound

USoundCue* APixoVRHand::LaserSound

UPROPERTY()

Definition at line 242 of file PixoVRHand.h.

◆ MiddlePositionCache

TArray<FVector> APixoVRHand::MiddlePositionCache

Definition at line 325 of file PixoVRHand.h.

◆ MiddleSpline

USplineComponent* APixoVRHand::MiddleSpline

BlueprintReadWriteEditAnywhere

UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 154 of file PixoVRHand.h.

◆ MotionController

UGripMotionControllerComponent* APixoVRHand::MotionController

VisibleAnywhereBlueprintReadWrite

UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 118 of file PixoVRHand.h.

◆ OverlapedActor

AActor* APixoVRHand::OverlapedActor = nullptr

Definition at line 321 of file PixoVRHand.h.

◆ OwningCharacter

APixoVRCharacter* APixoVRHand::OwningCharacter

BlueprintReadWrite

UPROPERTY(BlueprintReadWrite, Category = "Init")

Definition at line 358 of file PixoVRHand.h.

◆ PinkyPositionCache

TArray<FVector> APixoVRHand::PinkyPositionCache

Definition at line 327 of file PixoVRHand.h.

◆ PinkySpline

USplineComponent* APixoVRHand::PinkySpline

BlueprintReadWriteEditAnywhere

UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 166 of file PixoVRHand.h.

◆ RingPositionCache

TArray<FVector> APixoVRHand::RingPositionCache

Definition at line 326 of file PixoVRHand.h.

◆ RingSpline

USplineComponent* APixoVRHand::RingSpline

BlueprintReadWriteEditAnywhere

UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 160 of file PixoVRHand.h.

◆ Root

USceneComponent* APixoVRHand::Root

VisibleAnywhereBlueprintReadWrite

UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 112 of file PixoVRHand.h.

◆ ThumbPositionCache

TArray<FVector> APixoVRHand::ThumbPositionCache

Definition at line 323 of file PixoVRHand.h.

◆ ThumbSpline

USplineComponent* APixoVRHand::ThumbSpline

BlueprintReadWriteEditAnywhere

UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 142 of file PixoVRHand.h.

◆ TouchComponent

UWidgetInteractionComponent* APixoVRHand::TouchComponent

BlueprintReadWriteEditAnywhere

UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Components")

Definition at line 172 of file PixoVRHand.h.

◆ TouchComponentCooldownActive

bool APixoVRHand::TouchComponentCooldownActive

protected

Definition at line 339 of file PixoVRHand.h.

◆ UseCustomAnimation

bool APixoVRHand::UseCustomAnimation = false

BlueprintReadWrite

UPROPERTY(BlueprintReadWrite, Category = "Animation")

Should we use custom animation instead advanced grab.

Definition at line 297 of file PixoVRHand.h.

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

SDKDemo/Plugins/UnrealEngineSDK/PixoCore/Source/PixoCore/Public/PixoVRHand.h
SDKDemo/Plugins/UnrealEngineSDK/PixoCore/Source/PixoCore/Private/PixoVRHand.cpp

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Private Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ APixoVRHand()

Member Function Documentation

◆ BeginPlay()

◆ DeactivateTouchCooldown()

◆ DenyDropping()

◆ DenyGrippingPixoVR()

◆ DenyTriggerGripping()

◆ DisablePhysicsOnDrop()

◆ GENERATED_BODY()

◆ GetOverlappingActor()

◆ GetRelativePointsArray()

◆ GrabObject()

◆ GripMode()

◆ GripTriggerMode()

◆ GripTriggerTransform()

◆ InitPixoVRHands()

◆ ManuallyPutActorToHand()

◆ OnGripObject()

◆ OnGripObjectRelease()

◆ OnObjectPaused()

◆ OnObjectUnPaused()

◆ OnTouchWidget()

◆ OnTryGripObject()

◆ ReleaseHeldObjectOnOtherHand()

◆ ReleaseObject()

◆ SetupFingerTracePoints()

◆ Tick()

◆ ToggleLaser()

◆ TraceFingerForObstacle()

◆ UpdateFingerData()

Member Data Documentation

◆ ChangeHandAnimationNearInteractableObject

◆ FingerData

◆ GrabSphere

◆ GrippableTypeChecker

◆ HandHoldingObject

◆ HandMesh

◆ HandMotionSource

◆ IndexPositionCache

◆ IndexSpline

◆ InteractableObjectNearHand

◆ IsObjectHighlightActive

◆ LaserMesh

◆ LaserSound

◆ MiddlePositionCache

◆ MiddleSpline

◆ MotionController

◆ OverlapedActor

◆ OwningCharacter

◆ PinkyPositionCache

◆ PinkySpline

◆ RingPositionCache

◆ RingSpline

◆ Root

◆ ThumbPositionCache

◆ ThumbSpline

◆ TouchComponent

◆ TouchComponentCooldownActive

◆ UseCustomAnimation