80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include "ARTypes.h"
|
|
#include "ARTraceResult.generated.h"
|
|
|
|
#define UE_API AUGMENTEDREALITY_API
|
|
|
|
class FARSupportInterface ;
|
|
|
|
/**
|
|
* A result of an intersection found during a hit-test.
|
|
*/
|
|
USTRUCT( BlueprintType, Category="AR AugmentedReality", meta=(Experimental))
|
|
struct FARTraceResult
|
|
{
|
|
GENERATED_BODY();
|
|
|
|
UE_API FARTraceResult();
|
|
|
|
UE_API FARTraceResult( const TSharedPtr<FARSupportInterface , ESPMode::ThreadSafe>& InARSystem, float InDistanceFromCamera, EARLineTraceChannels InTraceChannel, const FTransform& InLocalToTrackingTransform, UARTrackedGeometry* InTrackedGeometry );
|
|
|
|
UE_API float GetDistanceFromCamera() const;
|
|
|
|
UE_API void SetLocalToWorldTransform(const FTransform& LocalToWorldTransform);
|
|
|
|
UE_API FTransform GetLocalToTrackingTransform() const;
|
|
|
|
UE_API FTransform GetLocalToWorldTransform() const;
|
|
|
|
UE_API FTransform GetLocalTransform() const;
|
|
|
|
UE_API UARTrackedGeometry* GetTrackedGeometry() const;
|
|
|
|
UE_API EARLineTraceChannels GetTraceChannel() const;
|
|
|
|
struct FARTraceResultComparer
|
|
{
|
|
inline bool operator()(const FARTraceResult& A, const FARTraceResult& B) const
|
|
{
|
|
return A.GetDistanceFromCamera() < B.GetDistanceFromCamera();
|
|
}
|
|
};
|
|
|
|
private:
|
|
|
|
/** Distance (in Unreal Units) between the camera and the point where the line trace contacted tracked geometry. */
|
|
UPROPERTY()
|
|
float DistanceFromCamera;
|
|
|
|
/** The trace channel that generated this trace result. (used for filtering) */
|
|
UPROPERTY()
|
|
EARLineTraceChannels TraceChannel;
|
|
|
|
/**
|
|
* The transformation matrix that defines the intersection's rotation, translation and scale
|
|
* in AR system's local space.
|
|
*/
|
|
UPROPERTY()
|
|
FTransform LocalTransform;
|
|
|
|
/**
|
|
* A pointer to the geometry data that was intersected by this trace, if any.
|
|
*/
|
|
UPROPERTY()
|
|
TObjectPtr<UARTrackedGeometry> TrackedGeometry;
|
|
|
|
/** A reference to the AR system that creates this hit test result. */
|
|
TSharedPtr<FARSupportInterface , ESPMode::ThreadSafe> ARSystem;
|
|
};
|
|
|
|
UCLASS()
|
|
class UARTraceResultDummy : public UObject
|
|
{
|
|
GENERATED_BODY()
|
|
};
|
|
|
|
#undef UE_API
|