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  3. UTransformGizmo

UTransformGizmo

[UTransformGizmo](API\Editor\EditorInteractiveToolsFramework\UTransformGizmo) provides standard Transformation Gizmo interactions, applied to a [UTransformProxy](API\Runtime\InteractiveToolsFramework\UTransformProxy) target object.

API > API/Editor > API/Editor/EditorInteractiveToolsFramework

UTransformGizmo provides standard Transformation Gizmo interactions, applied to a UTransformProxy target object. By default the Gizmo will be a standard XYZ translate/rotate Gizmo (axis and plane translation).

   
Name UTransformGizmo
Type class
Header File /Engine/Source/Editor/Experimental/EditorInteractiveToolsFramework/Public/EditorGizmos/TransformGizmo.h
Include Path #include "EditorGizmos/TransformGizmo.h"

Syntax

UCLASS (MinimalAPI)  
class UTransformGizmo :  
    public UInteractiveGizmo ,  
    public IHoverBehaviorTarget ,  
    public IClickDragBehaviorTarget

Inheritance Hierarchy

Implements Interfaces

Derived Classes

Structs

Name Remarks
FGizmoDebugData  
FGizmoStyle Contains all styling properties.

Typedefs

Name Type Remarks Include Path
FOnClearActiveTarget TMulticastDelegate_TwoParams< void, UTransformGizmo *, UTransformProxy * > Broadcast at the beginning of a ClearActiveTarget call, when the ActiveTarget is not yet disconnected. EditorGizmos/TransformGizmo.h
FOnSetActiveTarget TMulticastDelegate_TwoParams< void, UTransformGizmo *, UTransformProxy * > Broadcast at the end of a SetActiveTarget call. EditorGizmos/TransformGizmo.h

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
ActiveTarget TObjectPtr< UTransformProxy > The active target object for the Gizmo EditorGizmos/TransformGizmo.h  
bGridSizeIsExplicit bool Optional grid size which overrides the Context Grid EditorGizmos/TransformGizmo.h  
bInInteraction bool Whether gizmo is interacting. EditorGizmos/TransformGizmo.h  
bRotationGridSizeIsExplicit bool Optional grid size which overrides the Context Rotation Grid EditorGizmos/TransformGizmo.h  
bSnapToWorldGrid bool If true, then when using world frame, Axis and Plane translation snap to the world grid via the ContextQueriesAPI (in PositionSnapFunction) EditorGizmos/TransformGizmo.h  
bSnapToWorldRotGrid bool If true, then when using world frame, Axis and Plane translation snap to the world grid via the ContextQueriesAPI (in RotationSnapFunction) EditorGizmos/TransformGizmo.h  
bVisible bool Whether gizmo is visible. EditorGizmos/TransformGizmo.h  
ExplicitGridSize FVector   EditorGizmos/TransformGizmo.h  
ExplicitRotationGridSize FRotator   EditorGizmos/TransformGizmo.h  
GizmoElementRoot TObjectPtr< UGizmoElementGroup > Root of renderable gizmo elements EditorGizmos/TransformGizmo.h  
GizmoViewContext TObjectPtr< UGizmoViewContext > Gizmo view context, needed for screen space interactions EditorGizmos/TransformGizmo.h  
HitTarget TObjectPtr< UGizmoElementHitMultiTarget > The hit target object EditorGizmos/TransformGizmo.h  
MultiIndirectClickDragBehavior TObjectPtr< UMultiButtonClickDragBehavior > The multi button mouse click behavior is accessible so that it can be modified to use different mouse keys. EditorGizmos/TransformGizmo.h  
OnAboutToClearActiveTarget FOnClearActiveTarget   EditorGizmos/TransformGizmo.h  
OnSetActiveTarget FOnSetActiveTarget   EditorGizmos/TransformGizmo.h  
Style UTransformGizmo::FGizmoStyle   EditorGizmos/TransformGizmo.h  
TransformGizmoSource TScriptInterface< ITransformGizmoSource > Transform Gizmo Source EditorGizmos/TransformGizmo.h  

Protected

Name Type Remarks Include Path Unreal Specifiers
DebugData UTransformGizmo::FGizmoDebugData   EditorGizmos/TransformGizmo.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

virtual void ClearActiveTarget()

 Clear the active target object for the Gizmo EditorGizmos/TransformGizmo.h  

virtual void HandleWidgetModeChanged ( UE::Widget::EWidgetMode InWidgetMode
)

 Handle widget mode changed. EditorGizmos/TransformGizmo.h  

virtual void OnParametersChanged ( const FGizmosParameters& InParameters
)

 Handle user parameters changes EditorGizmos/TransformGizmo.h  

virtual void SetActiveTarget ( UTransformProxy* Target,
IToolContextTransactionProvider* TransactionProvider,
IGizmoStateTarget* InStateTarget
)

 Set the active target object for the Gizmo EditorGizmos/TransformGizmo.h  

void SetCustomizationFunction ( const TFunction< const FGizmoCustomization()>& InFunction
)

 Set customization function for this Gizmo EditorGizmos/TransformGizmo.h  

virtual void SetDisallowNegativeScaling ( bool bDisallow
)

 By default, the nonuniform scale components can scale negatively. EditorGizmos/TransformGizmo.h  

virtual void SetNewChildScale ( const FVector& NewChildScale
)

 Explicitly set the child scale. EditorGizmos/TransformGizmo.h  

virtual void SetVisibility ( bool bVisible
)

 Set visibility for this Gizmo EditorGizmos/TransformGizmo.h  

Overridden from UInteractiveGizmo

Name Remarks Include Path Unreal Specifiers

virtual void Render ( IToolsContextRenderAPI* RenderAPI
)

   EditorGizmos/TransformGizmo.h  

virtual void Setup()

   EditorGizmos/TransformGizmo.h  

virtual void Shutdown()

   EditorGizmos/TransformGizmo.h  

virtual void Tick ( float DeltaTime
)

   EditorGizmos/TransformGizmo.h  

Overridden from IHoverBehaviorTarget

Name Remarks Include Path Unreal Specifiers

virtual FInputRayHit BeginHoverSequenceHitTest ( const FInputDeviceRay& DevicePos
)

 IHoverBehaviorTarget implementation. EditorGizmos/TransformGizmo.h  

virtual void OnBeginHover ( const FInputDeviceRay& DevicePos
)

   EditorGizmos/TransformGizmo.h  

virtual void OnEndHover()

   EditorGizmos/TransformGizmo.h  

virtual bool OnUpdateHover ( const FInputDeviceRay& DevicePos
)

   EditorGizmos/TransformGizmo.h  

Overridden from IClickDragBehaviorTarget

Name Remarks Include Path Unreal Specifiers

virtual FInputRayHit CanBeginClickDragSequence ( const FInputDeviceRay& PressPos
)

 IClickDragBehaviorTarget implementation. EditorGizmos/TransformGizmo.h  

virtual void OnClickDrag ( const FInputDeviceRay& DragPos
)

   EditorGizmos/TransformGizmo.h  

virtual void OnClickPress ( const FInputDeviceRay& PressPos
)

   EditorGizmos/TransformGizmo.h  

virtual void OnClickRelease ( const FInputDeviceRay& ReleasePos
)

   EditorGizmos/TransformGizmo.h  

virtual void OnTerminateDragSequence()

   EditorGizmos/TransformGizmo.h  

Protected

Name Remarks Include Path Unreal Specifiers

virtual void ApplyRotateDelta ( const FQuat& InRotateDelta
)

 Apply rotate delta to transform proxy EditorGizmos/TransformGizmo.h  

virtual void ApplyScaleDelta ( const FVector& InScaleDelta
)

 Apply scale delta to transform proxy EditorGizmos/TransformGizmo.h  

virtual void ApplyTranslateDelta ( const FVector& InTranslateDelta
)

 Apply transform delta methods Apply translate delta to transform proxy EditorGizmos/TransformGizmo.h  

virtual void BeginTransformEditSequence()

 Called at the start of a sequence of gizmo transform edits EditorGizmos/TransformGizmo.h  

bool CanInteract ( const EViewportContext InViewportContext
) const

 Returns whether the gizmo can interact. Note that this can be true even if the gizmo is not visible to support indirect manipulation. EditorGizmos/TransformGizmo.h  

virtual FQuat ComputeAngularRotateDelta ( FQuat::FReal InStartAngle,
FQuat::FReal InEndAngle
)

 Compute rotate delta based on start/end angles EditorGizmos/TransformGizmo.h  

virtual FQuat ComputeAxisRotateDelta ( const double& InDeltaAngle
)

 Compute rotate delta based on screen-space angle delta (in degrees) EditorGizmos/TransformGizmo.h  

virtual double ComputeAxisRotateDeltaAngle ( const FVector2D& InStartPos,
const FInputDeviceRay& InDragPos
)

 Compute angle (degrees) delta based on screen-space start/end positions. EditorGizmos/TransformGizmo.h  

virtual FVector ComputeAxisTranslateDelta ( double InStartParam,
double InEndParam
)

 Compute translate axis delta based on start/end params EditorGizmos/TransformGizmo.h  

virtual FQuat ComputeGimbalRotateDelta ( const FVector2D& InStartPos,
const FVector2D& InEndPos
)

 Compute gimbal rotate delta based on screen-space start/end positions EditorGizmos/TransformGizmo.h  

virtual FVector ComputePlanarTranslateDelta ( const FVector& InStartPoint,
const FVector& InEndPoint
)

 Compute translate planar delta based on world space start/end points EditorGizmos/TransformGizmo.h  

virtual FVector ComputeScaleDelta ( const FVector2D& InStartPos,
const FVector2D& InEndPos,
FVector2D& OutScreenDelta
)

 Compute scale delta based on screen space start/end positions EditorGizmos/TransformGizmo.h  

virtual void EnableMode ( EGizmoTransformMode InGizmoMode,
EAxisList::Type InAxisListToDraw
)

 Enable the given mode with the specified axes, EAxisList::Type::None will hide objects associated with mode EditorGizmos/TransformGizmo.h  

virtual void EnablePlanarObjects ( bool bTranslate,
bool bEnableX,
bool bEnableY,
bool bEnableZ
)

 Enable planar handles used by translate and scale EditorGizmos/TransformGizmo.h  

virtual void EnableRotate ( EAxisList::Type InAxisListToDraw
)

 Enable rotate using specified axis list EditorGizmos/TransformGizmo.h  

virtual void EnableScale ( EAxisList::Type InAxisListToDraw
)

 Enable scale using specified axis list EditorGizmos/TransformGizmo.h  

virtual void EnableTranslate ( EAxisList::Type InAxisListToDraw
)

 Enable translate using specified axis list EditorGizmos/TransformGizmo.h  

virtual void EndTransformEditSequence()

 Called at the end of a sequence of gizmo transform edits. EditorGizmos/TransformGizmo.h  

ETransformGizmoPartIdentifier GetCurrentModeLastHitPart()

   EditorGizmos/TransformGizmo.h  

virtual FVector GetGimbalRotationAxis ( const int32 InAxis
) const

 Get gimbal rotation axis (InAxis is expected to be in [0,2] range) EditorGizmos/TransformGizmo.h  

virtual FTransform GetGizmoTransform()

 Get gizmo transform based on cached current transform. EditorGizmos/TransformGizmo.h  

virtual uint32 GetMaxPartIdentifier()

 Get max part identifier. EditorGizmos/TransformGizmo.h  

virtual float GetNearestRayParamToInteractionAxis ( const FInputDeviceRay& InRay
)

 Get nearest param along input ray to the current interaction axis EditorGizmos/TransformGizmo.h  

virtual bool GetRayParamIntersectionWithInteractionPlane ( const FInputDeviceRay& InRay,
FVector::FReal& OutHitParam
)

 Return true if input ray intersects current interaction plane and return param along ray in OutHitParam EditorGizmos/TransformGizmo.h  

const FRotationContext & GetRotationContext()

 Returns the current rotation context. EditorGizmos/TransformGizmo.h  

FVector2D GetScreenGimbalRotateAxisDir ( const FInputDeviceRay& InPressPos
)

 Get screen-space axis for gimbal rotation drag EditorGizmos/TransformGizmo.h  

FVector2D GetScreenRotateAxisDir ( const FInputDeviceRay& InPressPos
)

 Get screen-space axis for rotation drag EditorGizmos/TransformGizmo.h  

float GetSizeCoefficient()

   EditorGizmos/TransformGizmo.h  

virtual FVector GetWorldAxis ( const FVector& InAxis
) const

 Get current interaction axis EditorGizmos/TransformGizmo.h  

float GetWorldRadius ( const float InRadius
) const

 Get the arc ball sphere world radius EditorGizmos/TransformGizmo.h  

FVector2D GetWorldToScreenRotateAxisDir ( const FInputDeviceRay& InPressPos,
const FVector& InWorldAxis
)

 Get screen-space axis based on a world space axis EditorGizmos/TransformGizmo.h  

bool IsVisible ( const EViewportContext InViewportContext
) const

 Returns whether the gizmo is visible in the viewport. EditorGizmos/TransformGizmo.h  

virtual UGizmoElementCircle * MakeArcballCircleHandle ( ETransformGizmoPartIdentifier InPartId,
float InRadius,
const FLinearColor& InColor
)

 Construct arcball screen space handle EditorGizmos/TransformGizmo.h  

UGizmoElementTorus * MakeDefaultRotateAxis ( const ETransformGizmoPartIdentifier InPartId
)

 Construct the default rotate axis handle based on the ETransformGizmoPartIdentifier. EditorGizmos/TransformGizmo.h  

virtual UGizmoElementBox * MakePlanarHandle ( ETransformGizmoPartIdentifier InPartId,
const FVector& InUpDirection,
const FVector& InSideDirection,
const FVector& InPlaneNormal,
UMaterialInterface* InMaterial
)

 Construct planar axis handle EditorGizmos/TransformGizmo.h  

virtual UGizmoElementTorus * MakeRotateAxis ( ETransformGizmoPartIdentifier InPartId,
const FVector& TorusAxis0,
const FVector& TorusAxis1,
UMaterialInterface* InMaterial,
UMaterialInterface* InCurrentMaterial
)

 Construct rotate axis handle EditorGizmos/TransformGizmo.h  

virtual UGizmoElementCircle * MakeRotateCircleHandle ( ETransformGizmoPartIdentifier InPartId,
float InRadius,
const FLinearColor& InColor,
const EGizmoElementDrawType InDrawType,
const TOptional< FLinearColor >& InLineColorOverride
)

 Construct rotate screen space handle EditorGizmos/TransformGizmo.h  

virtual UGizmoElementArrow * MakeScaleAxis ( ETransformGizmoPartIdentifier InPartId,
const FVector& InAxisDir,
const FVector& InSideDir,
UMaterialInterface* InMaterial
)

 Construct scale axis handle EditorGizmos/TransformGizmo.h  

virtual UGizmoElementArrow * MakeTranslateAxis ( ETransformGizmoPartIdentifier InPartId,
const FVector& InAxisDir,
const FVector& InSideDir,
UMaterialInterface* InMaterial
)

 Construct translate axis handle EditorGizmos/TransformGizmo.h  

virtual UGizmoElementRectangle * MakeTranslateScreenSpaceHandle()

 Construct translate screen space handle EditorGizmos/TransformGizmo.h  

virtual UGizmoElementBox * MakeUniformScaleHandle()

 Construct uniform scale handle EditorGizmos/TransformGizmo.h  

virtual void OnClickDragArcBallRotate ( const FInputDeviceRay& DragPos
)

 Handle click drag for arc ball rotate EditorGizmos/TransformGizmo.h  

virtual void OnClickDragGimbalRotateAxis ( const FInputDeviceRay& InDragPos
)

 Handle click drag for gimbal rotate axis EditorGizmos/TransformGizmo.h  

virtual void OnClickDragRotateAxis ( const FInputDeviceRay& InDragPos
)

 Handle click drag for rotate axis EditorGizmos/TransformGizmo.h  

virtual void OnClickDragScale ( const FInputDeviceRay& DragPos
)

 Handle click drag for all scale EditorGizmos/TransformGizmo.h  

virtual void OnClickDragScaleAxis ( const FInputDeviceRay& DragPos
)

 Handle click drag for scale axes EditorGizmos/TransformGizmo.h  

virtual void OnClickDragScalePlanar ( const FInputDeviceRay& DragPos
)

 Handle click drag for scale planar EditorGizmos/TransformGizmo.h  

virtual void OnClickDragScaleXYZ ( const FInputDeviceRay& DragPos
)

 Handle click drag for uniform scale EditorGizmos/TransformGizmo.h  

virtual void OnClickDragScreenSpaceRotate ( const FInputDeviceRay& InDragPos
)

 Handle click drag for screen-space rotate EditorGizmos/TransformGizmo.h  

virtual void OnClickDragScreenSpaceTranslate ( const FInputDeviceRay& DragPos
)

 Handle click drag for screen-space translate EditorGizmos/TransformGizmo.h  

virtual void OnClickDragTranslateAxis ( const FInputDeviceRay& DragPos
)

 Handle click drag for translate axes EditorGizmos/TransformGizmo.h  

virtual void OnClickDragTranslatePlanar ( const FInputDeviceRay& DragPos
)

 Handle click drag for translate planar EditorGizmos/TransformGizmo.h  

virtual void OnClickPressArcBallRotate ( const FInputDeviceRay& PressPos
)

 Arc ball rotate interaction methods Handle click press for arc ball rotate EditorGizmos/TransformGizmo.h  

virtual void OnClickPressAxis ( const FInputDeviceRay& PressPos
)

 Handle click press for translate axes EditorGizmos/TransformGizmo.h  

virtual void OnClickPressGimbalRotateAxis ( const FInputDeviceRay& InPressPos
)

 Gimbal rotate interaction methods note that gimbal rotation release functions use OnClickReleaseRotateAxis Handle click press for any gimbal rotate axis EditorGizmos/TransformGizmo.h  

virtual void OnClickPressPlanar ( const FInputDeviceRay& PressPos
)

 Handle click press for generic planar EditorGizmos/TransformGizmo.h  

bool OnClickPressRotateArc ( const FInputDeviceRay& InPressPos,
const FVector& InPlaneNormal,
const FVector& InPlaneAxis1,
const FVector& InPlaneAxis2
)

 Prepares data for arc rotation. EditorGizmos/TransformGizmo.h  

virtual void OnClickPressRotateAxis ( const FInputDeviceRay& InPressPos
)

 Handle click press for any rotate axis EditorGizmos/TransformGizmo.h  

virtual void OnClickPressRotateXAxis ( const FInputDeviceRay& InPressPos
)

 Rotate interaction methods Handle click press for rotate X axis EditorGizmos/TransformGizmo.h  

virtual void OnClickPressRotateYAxis ( const FInputDeviceRay& InPressPos
)

 Handle click press for rotate Y axis EditorGizmos/TransformGizmo.h  

virtual void OnClickPressRotateZAxis ( const FInputDeviceRay& InPressPos
)

 Handle click press for rotate Z axis EditorGizmos/TransformGizmo.h  

virtual void OnClickPressScale ( const FInputDeviceRay& PressPos
)

 Handle click press for all scale methods EditorGizmos/TransformGizmo.h  

virtual void OnClickPressScaleXAxis ( const FInputDeviceRay& PressPos
)

 Scale click-drag handling methods Handle click press for scale X axis EditorGizmos/TransformGizmo.h  

virtual void OnClickPressScaleXYPlanar ( const FInputDeviceRay& PressPos
)

 Handle click press for scale XY planar EditorGizmos/TransformGizmo.h  

virtual void OnClickPressScaleXYZ ( const FInputDeviceRay& PressPos
)

 Handle click press for uniform scale EditorGizmos/TransformGizmo.h  

virtual void OnClickPressScaleXZPlanar ( const FInputDeviceRay& PressPos
)

 Handle click press for scale XZ planar EditorGizmos/TransformGizmo.h  

virtual void OnClickPressScaleYAxis ( const FInputDeviceRay& PressPos
)

 Handle click press for scale Y axis EditorGizmos/TransformGizmo.h  

virtual void OnClickPressScaleYZPlanar ( const FInputDeviceRay& PressPos
)

 Handle click press for scale YZ planar EditorGizmos/TransformGizmo.h  

virtual void OnClickPressScaleZAxis ( const FInputDeviceRay& PressPos
)

 Handle click press for scale Z axis EditorGizmos/TransformGizmo.h  

virtual void OnClickPressScreenSpaceRotate ( const FInputDeviceRay& PressPos
)

 Screen-space rotate interaction methods Handle click press for screen-space rotate EditorGizmos/TransformGizmo.h  

virtual void OnClickPressScreenSpaceTranslate ( const FInputDeviceRay& PressPos
)

 Screen-space translate interaction methods Handle click press for screen-space translate EditorGizmos/TransformGizmo.h  

virtual void OnClickPressTranslatePlanar ( const FInputDeviceRay& PressPos
)

 Handle click press for translate planar EditorGizmos/TransformGizmo.h  

virtual void OnClickPressTranslateXAxis ( const FInputDeviceRay& PressPos
)

 Translate axis click-drag handling methods Handle click press for translate X axis EditorGizmos/TransformGizmo.h  

virtual void OnClickPressTranslateXYPlanar ( const FInputDeviceRay& PressPos
)

 Translate and scale planar click-drag handling methods Handle click press for translate XY planar EditorGizmos/TransformGizmo.h  

virtual void OnClickPressTranslateXZPlanar ( const FInputDeviceRay& PressPos
)

 Handle click press for translate XZ planar EditorGizmos/TransformGizmo.h  

virtual void OnClickPressTranslateYAxis ( const FInputDeviceRay& PressPos
)

 Handle click press for translate Y axis EditorGizmos/TransformGizmo.h  

virtual void OnClickPressTranslateYZPlanar ( const FInputDeviceRay& PressPos
)

 Handle click press for translate YZ planar EditorGizmos/TransformGizmo.h  

virtual void OnClickPressTranslateZAxis ( const FInputDeviceRay& PressPos
)

 Handle click press for translate Z axis EditorGizmos/TransformGizmo.h  

virtual void OnClickReleaseArcBallRotate ( const FInputDeviceRay& ReleasePos
)

 Handle click release for arc ball rotate EditorGizmos/TransformGizmo.h  

virtual void OnClickReleaseRotateAxis ( const FInputDeviceRay& InReleasePos
)

 Handle click release for rotate axes EditorGizmos/TransformGizmo.h  

virtual void OnClickReleaseScaleAxis ( const FInputDeviceRay& ReleasePos
)

 Handle click release for scale axes EditorGizmos/TransformGizmo.h  

virtual void OnClickReleaseScalePlanar ( const FInputDeviceRay& ReleasePos
)

 Handle click release for scale planar EditorGizmos/TransformGizmo.h  

virtual void OnClickReleaseScaleXYZ ( const FInputDeviceRay& ReleasePos
)

 Handle click release for uniform scale EditorGizmos/TransformGizmo.h  

virtual void OnClickReleaseScreenSpaceRotate ( const FInputDeviceRay& ReleasePos
)

 Handle click release for screen-space rotate EditorGizmos/TransformGizmo.h  

virtual void OnClickReleaseScreenSpaceTranslate ( const FInputDeviceRay& ReleasePos
)

 Handle click release for screen-space translate EditorGizmos/TransformGizmo.h  

virtual void OnClickReleaseTranslateAxis ( const FInputDeviceRay& ReleasePos
)

 Handle click release for translate axes EditorGizmos/TransformGizmo.h  

virtual void OnClickReleaseTranslatePlanar ( const FInputDeviceRay& ReleasePos
)

 Handle click release for translate planar EditorGizmos/TransformGizmo.h  

bool PositionSnapFunction ( const FVector& WorldPosition,
FVector& SnappedPositionOut
) const

 Axis and Plane TransformSources use this function to execute worldgrid snap queries. EditorGizmos/TransformGizmo.h  

void RenderDebug ( IToolsContextRenderAPI* RenderAPI
)

 Renders various debug visualizations, if enabled. EditorGizmos/TransformGizmo.h  

virtual void ResetHoverStates ( const EGizmoTransformMode InMode
)

 Reset all hover states related to the transform mode to false EditorGizmos/TransformGizmo.h  

virtual void ResetInteractingStates ( const EGizmoTransformMode InMode
)

 Reset all interacting states related to the transform mode to false EditorGizmos/TransformGizmo.h  

FQuat RotationSnapFunction ( const FQuat& DeltaRotation
) const

   EditorGizmos/TransformGizmo.h  

void SetModeLastHitPart ( const EGizmoTransformMode InMode,
const ETransformGizmoPartIdentifier InIdentifier
)

   EditorGizmos/TransformGizmo.h  

virtual void SetupBehaviors()

 Setup behaviors EditorGizmos/TransformGizmo.h  

virtual void SetupIndirectBehaviors()

 Setup indirect behaviors EditorGizmos/TransformGizmo.h  

virtual void SetupMaterials()

 Setup materials EditorGizmos/TransformGizmo.h  

virtual void SetupOnClickFunctions()

 Setup on click functions EditorGizmos/TransformGizmo.h  

void SnapRotateAngleDelta ( double& InOutAngleDelta
) const

   EditorGizmos/TransformGizmo.h  

void SnapRotateDelta ( FQuat& InOutWorldDelta
) const

   EditorGizmos/TransformGizmo.h  

void SnapScaleDelta ( FVector& InOutLocalScaleDelta
) const

   EditorGizmos/TransformGizmo.h  

void SnapTranslateDelta ( FVector& InOutWorldDelta
) const

   EditorGizmos/TransformGizmo.h  

virtual void UpdateAllScaleAxis()

 Updates all scale axis handles with the current parameters (ie. size coefficient) EditorGizmos/TransformGizmo.h  

void UpdateCameraAxisSource()

 Internal function that updates CameraAxisSource by getting current view state from GizmoManager EditorGizmos/TransformGizmo.h  

virtual void UpdateElements()

 Updates all gizmo elements based on current parameters EditorGizmos/TransformGizmo.h  

virtual FInputRayHit UpdateHoveredPart ( const FInputDeviceRay& DevicePos
)

 Determine hit part and update hover state based on current input ray EditorGizmos/TransformGizmo.h  

virtual void UpdateHoverState ( const bool bInHover,
const ETransformGizmoPartIdentifier InPartId
)

 Update hover state for given part id EditorGizmos/TransformGizmo.h  

virtual void UpdateInteractingState ( const bool bInInteracting,
const ETransformGizmoPartIdentifier InPartId,
const bool bIdOnly
)

 Update interacting state for given part id EditorGizmos/TransformGizmo.h  

virtual void UpdateMode()

 Update current gizmo mode based on transform source EditorGizmos/TransformGizmo.h  

virtual void UpdatePlanarHandle ( UGizmoElementBox* InElement,
const FVector& InUpDirection,
const FVector& InSideDirection
)

 Updates the given uniform scale handle with the current parameters (ie. size coefficient) EditorGizmos/TransformGizmo.h  

virtual void UpdateRotateAxis ( UGizmoElementTorus* InElement
)

 Updates the given rotate axis handle with the current parameters (ie. size coefficient) EditorGizmos/TransformGizmo.h  

virtual void UpdateRotateCircleHandle ( UGizmoElementCircle* InElement,
float InRadius
)

 Updates the given rotate screen space handle with the current parameters (ie. size coefficient) EditorGizmos/TransformGizmo.h  

virtual void UpdateRotationMode()

 Update current gizmo rotation mode (default or gimbal) EditorGizmos/TransformGizmo.h  

virtual void UpdateScaleAxis ( UGizmoElementArrow* InElement,
const FVector& InAxisDir,
const FVector& InSideDir
)

 Updates the given scale axis handle with the current parameters (ie. size coefficient). EditorGizmos/TransformGizmo.h  

virtual void UpdateScaleAxis ( UGizmoElementArrow* InElement,
const EAxis::Type InAxis
)

 Updates the given scale axis handle with the current parameters (ie. size coefficient). EditorGizmos/TransformGizmo.h  

virtual void UpdateScaleAxis ( UGizmoElementArrow* InElement
)

 Updates the given scale axis handle with the current parameters (ie. size coefficient). EditorGizmos/TransformGizmo.h  

virtual void UpdateTranslateAxis ( UGizmoElementArrow* InElement
)

 Updates the given translate axis handle with the current parameters (ie. size coefficient) EditorGizmos/TransformGizmo.h  

virtual void UpdateTranslateAxis ( UGizmoElementArrow* InElement,
const FVector& InAxisDir,
const FVector& InSideDir
)

 Updates the given translate axis handle with the current parameters (ie. size coefficient) EditorGizmos/TransformGizmo.h  

virtual void UpdateTranslateAxis ( UGizmoElementArrow* InElement,
const EAxis::Type InAxis
)

 Updates the given translate axis handle with the current parameters (ie. size coefficient) EditorGizmos/TransformGizmo.h  

virtual void UpdateTranslateScreenSpaceHandle ( UGizmoElementRectangle* InElement
)

 Updates the given translate screen space handle with the current parameters (ie. size coefficient) EditorGizmos/TransformGizmo.h  

virtual void UpdateUniformScaleHandle ( UGizmoElementBox* InElement
)

 Updates the given uniform scale handle with the current parameters (ie. size coefficient) EditorGizmos/TransformGizmo.h  

virtual bool VerifyPartIdentifier ( uint32 InPartIdentifier
) const

 Verify part identifier is within recognized range of transform gizmo part ids. EditorGizmos/TransformGizmo.h  

Static

Name Remarks Include Path Unreal Specifiers

static FVector2D GetScreenProjectedAxis ( const UGizmoViewContext* View,
const FVector& InLocalAxis,
const FTransform& InLocalToWorld
)

 Screen-space helper method Returns 2D vector projection of input axis onto input view plane EditorGizmos/TransformGizmo.h  

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