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> Unreal Engine API Reference > Plugins > GoogleARCoreBase > UGoogleARCoreFrameFunctionLibrary

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UGoogleARCoreFrameFunctionLibrary

A function library that provides static/Blueprint functions associated with most recent GoogleARCore tracking frame.

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UBlueprintFunctionLibrary

UGoogleARCoreFrameFunctionLibrary

References

Module	GoogleARCoreBase
Header	/Engine/Plugins/Runtime/AR/Google/GoogleARCore/Source/GoogleARCoreBase/Public/GoogleARCoreFunctionLibrary.h
Include	#include "GoogleARCoreFunctionLibrary.h"

Syntax

[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)()
class UGoogleARCoreFrameFunctionLibrary : public UBlueprintFunctionLibrary

Remarks

A function library that provides static/Blueprint functions associated with most recent GoogleARCore tracking frame.

Functions

	Name	Description
EGoogleARCor...	AcquireCameraImage ( UGoogleARCoreCameraImage*& Out... )	Acquire a CPU-accessible camera image.
EGoogleARCor...	AcquirePointCloud ( UGoogleARCorePointCloud*& OutL... )	Acquires latest point cloud.
bool	ARCoreLineTrace ( UObject* WorldContextObject, const FVector2D& ScreenPosition, TSet< EGoogleARCoreLineTraceChannel..., TArray< FARTraceResult >& OutHitRe... )	Traces a ray from the user's device in the direction of the given location in the camera view.
bool	ARCoreLineTraceRay ( UObject* WorldContextObject, const FVector& Start, const FVector& End, TSet< EGoogleARCoreLineTraceChannel..., TArray< FARTraceResult >& OutHitRe... )	Traces a ray along the given line.
EGoogleARCor...	GetCameraImageIntrinsics ( UGoogleARCoreCameraIntrinsics*... )	Get the camera intrinsics for the camera image (CPU image).
UTexture ...	GetCameraTexture()	Get the pass-through camera texture that GoogleARCore plugin will use to render the passthrough camera background.
EGoogleARCor...	GetCameraTextureIntrinsics ( UGoogleARCoreCameraIntrinsics*... )	Get the camera intrinsics for the camera texture (GPU image).
void	GetLightEstimation ( FGoogleARCoreLightEstimate& OutLig... )	Gets the latest light estimation.
EGoogleARCor...	GetPointCloud ( UGoogleARCorePointCloud*& OutL... )	Gets the latest point cloud that will be only available for this frame.
void	GetPose ( FTransform& OutPose )	Gets the latest tracking pose of the ARCore device in Unreal AR Tracking Space
EGoogleARCor...	GetTrackingFailureReason()	Returns the reason when UARBlueprintLibrary::GetTrackingQuality() returns NotTracking, or UGoogleARCoreFrameFunctionLibrary::GetTrackingState returns Paused.
EGoogleARCor...	GetTrackingState()	Returns the current ARCore session status.
void	GetUpdatedARPins ( TArray< UARPin* >& OutAnchorL... )	Gets a list of UARPin objects that were changed in this frame.
void	GetUpdatedAugmentedFaces ( TArray< UGoogleARCoreAugmentedFace ... )	Gets a list of UGoogleARCoreAugmentedFace objects that were changed in this frame.
void	GetUpdatedAugmentedImages ( TArray< UGoogleARCoreAugmentedImage... )	Gets a list of UGoogleARCoreAugmentedImage objects that were changed in this frame.
void	GetUpdatedPlanes ( TArray< UARPlaneGeometry* >& ... )	Gets a list of UARPlaneGeometry objects that were changed in this frame.
void	GetUpdatedTrackable ( TArray< T* >& OutTrackableLis... )	Template function to get the updated trackables in this frame a given trackable type.
void	GetUpdatedTrackablePoints ( TArray< UARTrackedPoint* >& O... )	Gets a list of UARTrackedPoint objects that were changed in this frame.
void	TransformARCoordinates2D ( EGoogleARCoreCoordinates2DType Inpu..., const TArray< FVector2D >& InputCo..., EGoogleARCoreCoordinates2DType Outp..., TArray< FVector2D >& OutputCoordin... )	Transforms an array of 2D coordinates into a different 2D coordinate system.

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