UUxtBoundsControlComponent

Manages a set of affordances that can be manipulated for changing the actor transform.

class UUxtBoundsControlComponent;

#include <Controls/UxtBoundsControlComponent.h>

Inheritance

Inherits from UUxtManipulatorComponent, UActorComponent

Public Functions

Name
UUxtBoundsControlComponent()
UUxtBoundsControlComponent(FVTableHelper & Helper)
~UUxtBoundsControlComponent()
AActor * GetBoundsControlActor() const
const TMap< UPrimitiveComponent *, FUxtAffordanceInstance > & GetPrimitiveAffordanceMap() const
bool GetInitBoundsFromActor() const
const FBox & GetBounds() const
UStaticMesh * GetAffordanceKindMesh(EUxtAffordanceKind Kind) const
void ComputeBoundsFromComponents()
UPrimitiveComponent * GetAffordancePrimitive(const EUxtAffordancePlacement Placement) const

Protected Functions

Name
virtual void BeginPlay() override
virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override
virtual void TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction * ThisTickFunction) override
void OnAffordanceEnterFarFocus(UUxtGrabTargetComponent * Grabbable, UUxtFarPointerComponent * Pointer)
void OnAffordanceEnterGrabFocus(UUxtGrabTargetComponent * Grabbable, UUxtNearPointerComponent * Pointer)
void OnAffordanceExitFarFocus(UUxtGrabTargetComponent * Grabbable, UUxtFarPointerComponent * Pointer)
void OnAffordanceExitGrabFocus(UUxtGrabTargetComponent * Grabbable, UUxtNearPointerComponent * Pointer)
void OnAffordanceBeginGrab(UUxtGrabTargetComponent * Grabbable, FUxtGrabPointerData GrabPointer)
void OnAffordanceUpdateGrab(UUxtGrabTargetComponent * Grabbable, FUxtGrabPointerData GrabPointer)
void OnAffordanceEndGrab(UUxtGrabTargetComponent * Grabbable, FUxtGrabPointerData GrabPointer)
virtual void OnExternalManipulationStarted() override
const FUxtGrabPointerData * FindGrabPointer(const FUxtAffordanceInstance * AffordanceInstance)
void TransformTarget(const FUxtAffordanceConfig & Affordance, const FUxtGrabPointerData & GrabPointer) const
void CreateAffordances()
void DestroyAffordances()
void UpdateAffordanceTransforms()
void UpdateAffordanceAnimation(float DeltaTime)
bool IsAffordanceGrabbed(const FUxtAffordanceInstance * Affordance) const
bool GetRelativeBoxTransform(const FBox & Box, const FBox & RelativeTo, FTransform & OutTransform)

Public Attributes

Name
UUxtBoundsControlConfig * Config
UStaticMesh * CenterAffordanceMesh
UStaticMesh * FaceAffordanceMesh
UStaticMesh * EdgeAffordanceMesh
UStaticMesh * CornerAffordanceMesh
UBoxComponent * CollisionBox
FName CollisionProfile
float AffordanceVisibilityDistance
float AffordanceTransitionDuration
FUxtBoundsControlManipulationStartedDelegate OnManipulationStarted
FUxtBoundsControlManipulationEndedDelegate OnManipulationEnded

Additional inherited members

Public Functions inherited from UUxtManipulatorComponent

Name
bool GetAutoDetectConstraints() const
void SetAutoDetectConstraints(bool bNewAutoDetectConstraints)
const TArray< FComponentReference > & GetSelectedConstraints() const
void AddConstraint(const FComponentReference & NewConstraint)
void RemoveConstraint(const FComponentReference & NewConstraint)
bool GetRelativeToInitialScale() const
void SetRelativeToInitialScale(const bool Value)
float GetMinScale() const
void SetMinScale(const float Value)
float GetMaxScale() const
void SetMaxScale(const float Value)

Protected Functions inherited from UUxtManipulatorComponent

Name
void InitializeConstraints(USceneComponent * NewTargetComponent)
void ApplyConstraints(FTransform & Transform, EUxtTransformMode TransformMode, bool bIsOneHanded, bool bIsNear) const

Public Functions Documentation

function UUxtBoundsControlComponent

UUxtBoundsControlComponent()

function UUxtBoundsControlComponent

UUxtBoundsControlComponent(
    FVTableHelper & Helper
)

function ~UUxtBoundsControlComponent

~UUxtBoundsControlComponent()

function GetBoundsControlActor

AActor * GetBoundsControlActor() const

function GetPrimitiveAffordanceMap

const TMap< UPrimitiveComponent *, FUxtAffordanceInstance > & GetPrimitiveAffordanceMap() const

Get the map between the affordance actors and their information.

function GetInitBoundsFromActor

bool GetInitBoundsFromActor() const

function GetBounds

const FBox & GetBounds() const

function GetAffordanceKindMesh

UStaticMesh * GetAffordanceKindMesh(
    EUxtAffordanceKind Kind
) const

Mesh for the given kind of affordance.

function ComputeBoundsFromComponents

void ComputeBoundsFromComponents()

Compute the bounding box based on the components of the bounding box actor.

function GetAffordancePrimitive

UPrimitiveComponent * GetAffordancePrimitive(
    const EUxtAffordancePlacement Placement
) const

Protected Functions Documentation

function BeginPlay

virtual void BeginPlay() override

Reimplements: UUxtManipulatorComponent::BeginPlay

function EndPlay

virtual void EndPlay(
    const EEndPlayReason::Type EndPlayReason
) override

function TickComponent

virtual void TickComponent(
    float DeltaTime,
    ELevelTick TickType,
    FActorComponentTickFunction * ThisTickFunction
) override

Reimplements: UUxtManipulatorComponent::TickComponent

function OnAffordanceEnterFarFocus

void OnAffordanceEnterFarFocus(
    UUxtGrabTargetComponent * Grabbable,
    UUxtFarPointerComponent * Pointer
)

Callback when an affordance is entering focus.

function OnAffordanceEnterGrabFocus

void OnAffordanceEnterGrabFocus(
    UUxtGrabTargetComponent * Grabbable,
    UUxtNearPointerComponent * Pointer
)

Callback when an affordance is entering focus.

function OnAffordanceExitFarFocus

void OnAffordanceExitFarFocus(
    UUxtGrabTargetComponent * Grabbable,
    UUxtFarPointerComponent * Pointer
)

Callback when an affordance is exiting focus.

function OnAffordanceExitGrabFocus

void OnAffordanceExitGrabFocus(
    UUxtGrabTargetComponent * Grabbable,
    UUxtNearPointerComponent * Pointer
)

Callback when an affordance is exiting focus.

function OnAffordanceBeginGrab

void OnAffordanceBeginGrab(
    UUxtGrabTargetComponent * Grabbable,
    FUxtGrabPointerData GrabPointer
)

Callback when an affordance is being grabbed.

function OnAffordanceUpdateGrab

void OnAffordanceUpdateGrab(
    UUxtGrabTargetComponent * Grabbable,
    FUxtGrabPointerData GrabPointer
)

Callback when an affordance is being grabbed.

function OnAffordanceEndGrab

void OnAffordanceEndGrab(
    UUxtGrabTargetComponent * Grabbable,
    FUxtGrabPointerData GrabPointer
)

Callback when an affordance is being released.

function OnExternalManipulationStarted

virtual void OnExternalManipulationStarted() override

function FindGrabPointer

const FUxtGrabPointerData * FindGrabPointer(
    const FUxtAffordanceInstance * AffordanceInstance
)

Look up the grab pointer data for an affordance. Returns null if the affordance is not currently grabbed.

function TransformTarget

void TransformTarget(
    const FUxtAffordanceConfig & Affordance,
    const FUxtGrabPointerData & GrabPointer
) const

Modify the target based on the current affordance interaction

function CreateAffordances

void CreateAffordances()

Create the BoundsControlActor and all affordances described in the config.

function DestroyAffordances

void DestroyAffordances()

Destroy the BoundsControlActor and affordance instances.

function UpdateAffordanceTransforms

void UpdateAffordanceTransforms()

Update the world transforms of affordance actors to match the current bounding box.

function UpdateAffordanceAnimation

void UpdateAffordanceAnimation(
    float DeltaTime
)

Update animated properties such as affordance highlights.

function IsAffordanceGrabbed

bool IsAffordanceGrabbed(
    const FUxtAffordanceInstance * Affordance
) const

Returns true if the affordance instance is currently bing grabbed.

function GetRelativeBoxTransform

static bool GetRelativeBoxTransform(
    const FBox & Box,
    const FBox & RelativeTo,
    FTransform & OutTransform
)

Compute the relative translation and scale between two boxes. Returns false if relative scale can not be computed.

Public Attributes Documentation

variable Config

UUxtBoundsControlConfig * Config;

Configuration of the bounds control affordances.

variable CenterAffordanceMesh

UStaticMesh * CenterAffordanceMesh;

Mesh used for a center affordance.

variable FaceAffordanceMesh

UStaticMesh * FaceAffordanceMesh;

Mesh used for a face affordances.

variable EdgeAffordanceMesh

UStaticMesh * EdgeAffordanceMesh;

Mesh used for a edge affordances.

variable CornerAffordanceMesh

UStaticMesh * CornerAffordanceMesh;

Mesh used for a corner affordances.

variable CollisionBox

UBoxComponent * CollisionBox;

Collision box that prevents pointer rays from passing through bounds control's box.

variable CollisionProfile

FName CollisionProfile = TEXT("UI");

The collision profile used by CollisionBox.

variable AffordanceVisibilityDistance

float AffordanceVisibilityDistance = 10.f;

Hand distance at which affordances become visible.

variable AffordanceTransitionDuration

float AffordanceTransitionDuration = 0.25f;

Duration of animated affordance transitions.

variable OnManipulationStarted

FUxtBoundsControlManipulationStartedDelegate OnManipulationStarted;

Event raised when a manipulation is started.

variable OnManipulationEnded

FUxtBoundsControlManipulationEndedDelegate OnManipulationEnded;

Event raised when a manipulation is ended.

Updated on 19 August 2021 at 17:42:51 Coordinated Universal Time