Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

Light Theme

Dark Theme

ADecalActor

DecalActor contains a DecalComponent which can be used to render material modifications on top of existing geometry.

Windows

MacOS

Linux

Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

AActor

ADecalActor

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Engine/DecalActor.h
Include	#include "Engine/DecalActor.h"

Syntax

class ADecalActor : public AActor

Remarks

DecalActor contains a DecalComponent which can be used to render material modifications on top of existing geometry.

Constructors

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

Functions

	Name	Description
UMaterialIns...	CreateDynamicMaterialInstance()
UArrowCompon...	GetArrowComponent()	Returns ArrowComponent subobject
UDecalCompon...	GetDecal()	Returns Decal subobject
UMaterialInt...	GetDecalMaterial()
UBillboardCo...	GetSpriteComponent()	Returns SpriteComponent subobject
void	SetDecalMaterial ( UMaterialInterface* NewDecalMa... )	BEGIN DEPRECATED (use component functions now in level script)

Overridden from AActor

	Name	Description
void	EditorApplyScale ( const FVector& DeltaScale, const FVector* PivotLocation, bool bAltDown, bool bShiftDown, bool bCtrlDown )	Called by ApplyDeltaToActor to perform an actor class-specific operation based on widget manipulation.
bool	GetReferencedContentObjects ( TArray< UObject* >& Objects )	Used by the "Sync to Content Browser" right-click menu option in the editor.
void	PostEditMove ( bool bFinished )	Called after an actor has been moved in the editor

Overridden from UObject

	Name	Description
void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyCha... )	Called when a property on this object has been modified externally
void	PostLoad()	Do any object-specific cleanup required immediately after loading an object.
void	Serialize ( FArchive& Ar )	Handles reading, writing, and reference collecting using FArchive.