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> Unreal Engine API Reference > Plugins > MagicLeap > UMagicLeapHeadTrackingNotificationsComponent

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UMagicLeapHeadTrackingNotificationsComponent

Provides head tracking map events to enable apps to cleanly handle it.

Windows

MacOS

Linux

Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UActorComponent

UVRNotificationsComponent

UMagicLeapHeadTrackingNotificationsComponent

References

Module	MagicLeap
Header	/Engine/Plugins/Lumin/MagicLeap/Source/MagicLeap/Public/MagicLeapHeadTrackingNotificationsComponent.h
Include	#include "MagicLeapHeadTrackingNotificationsComponent.h"

Syntax

[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(ClassGroup=MagicLeap, BlueprintType, Blueprintable, Meta=(BlueprintSpawnableComponent))
class UMagicLeapHeadTrackingNotificationsComponent : public UVRNotificationsComponent

Remarks

Provides head tracking map events to enable apps to cleanly handle it. The most important event to be aware of is when a map changes. In the case that a new map session begins, or recovery fails, all formerly cached transform and world reconstruction data (raycast, planes, mesh) is invalidated and must be updated.

Constructors

	Name	Description
	UMagicLeapHeadTrackingNotificationsComponent()

Functions

		Name	Description
	void	BindToOnHeadTrackingLostEvent ( const FVRNotificationsDelegate& Ev... )
	void	BindToOnHeadTrackingNewSessionStartedEvent ( const FVRNotificationsDelegate& Ev... )
	void	BindToOnHeadTrackingRecoveredEvent ( const FVRNotificationsDelegate& Ev... )
	void	BindToOnHeadTrackingRecoveryFailedEvent ( const FVRNotificationsDelegate& Ev... )
	void	UnbindOnHeadTrackingLostEvent()
	void	UnbindOnHeadTrackingNewSessionStartedEvent()
	void	UnbindOnHeadTrackingRecoveredEvent()
	void	UnbindOnHeadTrackingRecoveryFailedEvent()

Overridden from UActorComponent

		Name	Description
	void	TickComponent ( float DeltaTime, enum ELevelTick TickType, FActorComponentTickFunction* T... )	Function called every frame on this ActorComponent.

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