Rotation pivot point error

[Riot]

Hi, when i try to turn my tank there it seems to pivot around a point at the end rather than turning in the middle here is a gif explaining what i mean

Gyazo

here is the bp

Gyazo

and here is the cpp and .h

cpp

// Fill out your copyright notice in the Description page of Project Settings.


#include "Tank.h"
#include "GameFramework/SpringArmComponent.h"
#include "Camera/CameraComponent.h"

void ATank::CalculateMoveInput(float Value)
{
    MoveDirection = FVector(Value * MoveSpeed * GetWorld()->DeltaTimeSeconds, 0, 0);
}

void ATank::CalculateRotateInput(float Value)
{
    float RotateAmount = Value * TurnSpeed * GetWorld()->DeltaTimeSeconds;
    FRotator Rotation = FRotator(0, RotateAmount, 0);
    RotationDirection = FQuat(Rotation);
}

void ATank::Move()
{
    AddActorLocalOffset(MoveDirection, true);
}

void ATank::Rotate()
{
    AddActorLocalRotation(RotationDirection, true);
}

ATank::ATank()
{
    SpringArm = CreateDefaultSubobject<USpringArmComponent>(TEXT("Spring Arm"));
    SpringArm->SetupAttachment(RootComponent);

    Camera = CreateDefaultSubobject<UCameraComponent>(TEXT("Camera"));
    Camera->SetupAttachment(SpringArm);
}

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

// Called every frame
void ATank::Tick(float DeltaTime)
{
    Super::Tick(DeltaTime);
    Rotate();
    Move();
}

// Called to bind functionality to input
void ATank::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
{
    Super::SetupPlayerInputComponent(PlayerInputComponent);
    PlayerInputComponent->BindAxis("MoveForward", this, &ATank::CalculateMoveInput);
    PlayerInputComponent->BindAxis("Turn", this, &ATank::CalculateRotateInput);
}

.h

// Fill out your copyright notice in the Description page of Project Settings.

#pragma once
#include "Camera/CameraComponent.h"
#include "CoreMinimal.h"
#include "GameFramework/SpringArmComponent.h"

#include "VehicleBase.h"
#include "Tank.generated.h"

/**
 * 
 */
UCLASS()
class TANKS_API ATank : public AVehicleBase
{
	GENERATED_BODY()
private:
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Components", meta = (AllowPrivateAccess = "true"))
	USpringArmComponent* SpringArm;

	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Components", meta = (AllowPrivateAccess = "true"))
	UCameraComponent* Camera;

	FVector MoveDirection;
	FQuat RotationDirection;

	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Movement", meta = (AllowPrivateAccess = "true"))
	float MoveSpeed = 500.f;
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Movement", meta = (AllowPrivateAccess = "true"))
	float TurnSpeed = 260.f;

	void CalculateMoveInput(float Value);
	void CalculateRotateInput(float Value);

	void Move();
	void Rotate();
public:
	ATank();
	virtual void Tick(float DeltaTime) override;
	virtual void SetupPlayerInputComponent(class UInputComponent* PlayerInputComponent) override;

protected:
	// Called when the game starts or when spawned
	virtual void BeginPlay() override;
};

Any ideas why this is happening?

[DanM]

What is the root component of the BasePawn? And could you show the list of components of the tank blueprint?

[Riot]

here

the capsule is the root i think