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> Unreal Engine API Reference > Plugins > MeshPaintingToolset > UMeshClickTool

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UMeshClickTool

[USingleClickTool](API\Runtime\InteractiveToolsFramework\BaseTools\USingleClickTool) is perhaps the simplest possible interactive tool.

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UInteractiveTool

USingleClickTool

UMeshClickTool

	UTextureAdapterClickTool
	UVertexAdapterClickTool

References

Module	MeshPaintingToolset
Header	/Engine/Plugins/MeshPainting/Source/MeshPaintingToolset/Public/MeshSelect.h
Include	#include "MeshSelect.h"

Syntax

[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)()
class UMeshClickTool :
public USingleClickTool,
public IMeshPaintSelectionInterface

Remarks

USingleClickTool is perhaps the simplest possible interactive tool. It simply reacts to default primary button clicks for the active device (eg left-mouse clicks).

The function ::IsHitByClick() determines what is clickable by this Tool. The default is to return true, which means the click will activate anywhere (the Tool itself has no notion of Actors, Components, etc). You can override this function to, for example, filter out clicks that don't hit a target object, etc.

The function ::OnClicked() implements the action that will occur when a click happens. You must override this to implement any kind of useful behavior.

Variables

		Name	Description
	UMeshPaintSelec...	SelectionMechanic

Constructors

	Name	Description
	UMeshClickTool()

Overridden from UInteractiveTool

		Name	Description
	void	Setup()	Register default primary-button-click InputBehaviors

Overridden from IClickBehaviorTarget

		Name	Description
	FInputRayHit	IsHitByClick ( const FInputDeviceRay& ClickPos )	Test if the Target is hit at this 2D position / 3D ray
	void	OnClicked ( const FInputDeviceRay& ClickPos )	Click the Target at this 2D position / 3D ray. Default behavior is to print debug string.

Overridden from IModifierToggleBehaviorTarget

		Name	Description
	void	OnUpdateModifierState ( int ModifierID, bool bIsOn )	Notify target of current modifier state

Overridden from IMeshPaintSelectionInterface

		Name	Description
	bool	AllowsMultiselect()
	bool	IsMeshAdapterSupported ( TSharedPtr< IMeshPaintComponentAdap... )

Constants

Name	Description
AdditiveSelectionModifier	Flags used to identify modifier keys/buttons

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