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> Unreal Engine API Reference > Runtime > AugmentedReality > UARBlueprintLibrary > UARBlueprintLibrary::LineTraceTrackedObjects

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UARBlueprintLibrary::LineTraceTrackedObjects

Perform a line trace against any real-world geometry as tracked by the AR system.

Windows

MacOS

Linux

References

Module	AugmentedReality
Header	/Engine/Source/Runtime/AugmentedReality/Public/ARBlueprintLibrary.h
Include	#include "ARBlueprintLibrary.h"
Source	/Engine/Source/Runtime/AugmentedReality/Private/ARBlueprintLibrary.cpp

Syntax

static TArray< FARTraceResult > LineTraceTrackedObjects
(
    const FVector2D ScreenCoord,
    bool bTestFeaturePoints,
    bool bTestGroundPlane,
    bool bTestPlaneExtents,
    bool bTestPlaneBoundaryPolygon
)

Remarks

Perform a line trace against any real-world geometry as tracked by the AR system.

Returns

a list of `FARTraceResult_ sorted by distance from camera.

Parameters

Parameter	Description
ScreenCoord	Coordinate of the point on the screen from which to cast a ray into the tracking space.

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