Не работает скрипт на C#

движок Unity выдает вот такую ошибку

((46,16): error CS0116: A namespace cannot directly contain members such as fields or methods)

и вот такую

((63,11): error CS0116: A namespace cannot directly contain members such as fields or methods), как её решить

public float speed;
public float jumpForce;
 private float moveInput;
    private Rigidbody2D rb;
    private bool facingRight = true;
    private bool isGrounded;
    public Transform groundCheck;
    public float checkRadius;
    public LayerMask whatIsGround;
    private int extraJumps;
    public int extraJumpsValue;
    private void Start()
    {
        extraJumps = extraJumpsValue;
        rb = GetComponent<Rigidbody2D>();
    }

    private void FixedUpdate()
    {
        isGrounded = Physics2D.OverlapCircle(groundCheck.position, checkRadius, whatIsGround);
        moveInput = Input.GetAxis("Horizontal");
        rb.velocity = new Vector2(moveInput * speed, rb.velocity.y);

        if (facingRight == false && moveInput > 0)
        {
            Flip();
        }
        else if (facingRight == true && moveInput < 0)
        {
            Flip();
        }
    }
} 

  private void Update()
{
    if (isGrounded == true)
    {
        extraJumps = extraJumpsValue; 
    }

    if (Input.GetKeyDown(KeyCode.UpArrow) && extraJumps > 0)
    {
        rb.velocity = Vector2.up * jumpForce;
        extraJumps--; 
    }
    else if (Input.GetKeyDown(KeyCode.UpArrow) && extraJumps == 0 && isGrounded == true)
    {
        rb.velocity = Vector2.up * jumpForce; 
    }
} 
     void Flip()
{
    facingRight = !facingRight;
    Vector3 Scaler = transform.localScale;
    Scaler.x *= -1;
    transform.localScale = Scaler; 
}