アクタが仰角方向にうまく転移してくれない

Development Programming & Scripting C++
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1

ある球体を自分の周りに仰角、方位角方向に15度刻みでテレポーテーションさせるアクタを作っています

方位角方向には３６０度きれいに回ってくれるのですが、
仰角方向に関しては135度付近で進んだり戻ったりを繰り返してしまいます。

どうかご助力お願いします。

挙動部分のプログラムは以下のようにコンポーネントを使用しております。

<.cpp>

#include "SoundLocation.h"
#include "Engine/World.h"
#include "Engine/Engine.h"


// Sets default values
ASoundLocation::ASoundLocation(const class FObjectInitializer& PCIP) : Super(PCIP)
{
 	// 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;

	AActor *actor = GetOwner();
	

	Scene = PCIP.CreateDefaultSubobject<USceneComponent>(this, TEXT("SLBaseScene"));
	Scene->SetRelativeLocation(RelativeLocation);
	Scene->AttachToComponent(RootComponent, FAttachmentTransformRules::KeepRelativeTransform);

	SphereComponent = PCIP.CreateDefaultSubobject<USphereComponent>(this, TEXT("RootComponent"));
	RootComponent = SphereComponent;
	SphereComponent->InitSphereRadius(40.0f);
	SphereComponent->SetCollisionProfileName(TEXT("Pawn"));

	
	SphereVisual = PCIP.CreateDefaultSubobject<UStaticMeshComponent>(this, TEXT("VisualRepresentation"));
	SphereVisual->SetupAttachment(RootComponent);
	static ConstructorHelpers::FObjectFinder<UStaticMesh> SphereVisualAsset(TEXT("/Game/StarterContent/Shapes/Shape_Sphere.Shape_Sphere"));
	if (SphereVisualAsset.Succeeded())
	{
		SphereVisual->SetStaticMesh(SphereVisualAsset.Object);
		SphereVisual->SetRelativeLocation(FVector(320.0f, 0.0f, 110.0f));
		SphereVisual->SetWorldScale3D(FVector(0.8f));

	}
}

// Called when the game starts or when spawned
void ASoundLocation::BeginPlay()
{
	Super::BeginPlay();

	APlayerController* PlayerController = Cast<APlayerController>(GetWorld()->GetFirstPlayerController()->GetPawn()->GetController());

	if (PlayerController) {
		EnableInput(PlayerController);
		InputComponent->BindAction("Transfar_Y", IE_Pressed, this, &ASoundLocation::ObjectTransportation_y);
		InputComponent->BindAction("Transfar_P", IE_Pressed, this, &ASoundLocation::ObjectTransportation_p);
	
	}

}


void ASoundLocation::ObjectTransportation_y()
{

	FRotator NewRot = GetActorRotation();
	
	NewRot.Yaw = NewRot.Yaw+15;
	
	SetActorRotation(NewRot);

}

void ASoundLocation::ObjectTransportation_p()
{
	
	FRotator NewRot = GetActorRotation();

	NewRot.Pitch = NewRot.Pitch + 15;

	SetActorRotation(NewRot);

}

以上、よろしくです