UE4 version 4.20.2 update and other performance and code updates

Author: Harrison1

ActorLineTrace/ActorLineTrace.cpp

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+// Harrison McGuire
+// UE4 Version 4.20.2
+// https://github.com/Harrison1/unrealcpp
+// https://severallevels.io
+// https://harrisonmcguire.com
+
+#include "ActorLineTrace.h"
+#include "ConstructorHelpers.h"
+#include "DrawDebugHelpers.h"
+
+// Sets default values
+AActorLineTrace::AActorLineTrace()
+{
+ 	// Set this actor to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
+	PrimaryActorTick.bCanEverTick = true;
+
+	// add cube to root
+    Cube = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("Visual Representation"));
+    RootComponent = Cube;
+
+    static ConstructorHelpers::FObjectFinder<UStaticMesh> CubeAsset(TEXT("/Game/StarterContent/Shapes/Shape_Cube.Shape_Cube"));
+
+	if (CubeAsset.Succeeded())
+    {
+        Cube->SetStaticMesh(CubeAsset.Object);
+        Cube->SetRelativeLocation(FVector(0.0f, 0.0f, 0.0f));
+        Cube->SetWorldScale3D(FVector(1.f));
+	}
+	
+	// add another component in the editor to the actor to overlap with the line trace to get the event to fire
+
+}
+
+// Called every frame
+void AActorLineTrace::Tick(float DeltaTime)
+{
+	Super::Tick(DeltaTime);
+
+	FHitResult OutHit;
+	FVector Start = GetActorLocation();
+
+	Start.Z += 50.f;
+	Start.X += 200.f;
+
+	FVector ForwardVector = GetActorForwardVector();
+	FVector End = ((ForwardVector * 500.f) + Start);
+	FCollisionQueryParams CollisionParams;
+	CollisionParams.bTraceComplex = true;
+	CollisionParams.AddIgnoredComponent(Cube);
+	// or use the below to ignore the component
+	// CollisionParams.AddIgnoredComponent_LikelyDuplicatedRoot(Cube);
+
+	DrawDebugLine(GetWorld(), Start, End, FColor::Green, false, 1, 0, 5);
+
+	if(ActorLineTraceSingle(OutHit, Start, End, ECC_WorldStatic, CollisionParams))
+	{
+		GEngine->AddOnScreenDebugMessage(-1, 1.f, FColor::Green, FString::Printf(TEXT("The Component Being Hit is: %s"), *OutHit.GetComponent()->GetName()));
+	}
+
+}

ActorLineTrace/ActorLineTrace.h

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+// Harrison McGuire
+// UE4 Version 4.20.2
+// https://github.com/Harrison1/unrealcpp
+// https://severallevels.io
+// https://harrisonmcguire.com
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "GameFramework/Actor.h"
+#include "ActorLineTrace.generated.h"
+
+UCLASS()
+class UNREALCPP_API AActorLineTrace : public AActor
+{
+	GENERATED_BODY()
+	
+public:	
+	// Sets default values for this actor's properties
+	AActorLineTrace();
+
+public:	
+	// Called every frame
+	virtual void Tick(float DeltaTime) override;
+	
+	UPROPERTY(EditAnywhere)
+	UStaticMeshComponent* Cube;
+};

AddBillboardComp/AddBillboardComp.cpp

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+// Harrison McGuire
+// UE4 Version 4.20.2
+// https://github.com/Harrison1/unrealcpp
+// https://severallevels.io
+// https://harrisonmcguire.com
+
+#include "AddBillboardComp.h"
+// include billboard comp
+#include "Components/BillboardComponent.h"
+
+// Sets default values
+AAddBillboardComp::AAddBillboardComp()
+{
+	MyBillboardComp = CreateDefaultSubobject<UBillboardComponent>(TEXT("Root Billboard Comp"));
+	MyBillboardComp->SetHiddenInGame(false, true);
+	RootComponent = MyBillboardComp;
+}

AddBillboardComp/AddBillboardComp.h

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+// Harrison McGuire
+// UE4 Version 4.20.2
+// https://github.com/Harrison1/unrealcpp
+// https://severallevels.io
+// https://harrisonmcguire.com
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "GameFramework/Actor.h"
+#include "AddBillboardComp.generated.h"
+
+UCLASS()
+class UNREALCPP_API AAddBillboardComp : public AActor
+{
+	GENERATED_BODY()
+	
+public:	
+	// Sets default values for this actor's properties
+	AAddBillboardComp();
+
+	// declare point billboard comp
+	UPROPERTY(VisibleAnywhere)
+	class UBillboardComponent* MyBillboardComp;
+	
+};