В чём проблема? я не понимаю

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ObjectMove : MonoBehaviour
{
public float s;

private void Start()
{
s = 0.13f;
}

void FixedUpdate ()
{
transform.position = new Vector3(transform.position.x - s, transform.position.y , 0);
if (transform.position.x <= -17.5f)
}
}