Помогите найти ошибку в коде

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

public class circle : MonoBehaviour
{
    public Rigidbody2D rigidbody;
    public Vector2 direction;
    public float speed;
    public float baseSpeed;
    public float coefficientSpeed;
    public int points;
    public Player player;
    
    void Start()
    {
     direction = new Vector2(Random.Range(0.5f, 1), Random.Range(0.5f, 1)); 
     speed = baseSpeed;
     points = 0;
    }

    // Update is called once per frame
    void Update()
    {
      rigidbody.velocity = direction.normalized * speed;
    if (transform.position.x > player.transform.position.x + 1)  
    { Debug.Log("Вы проиграли");
    Start();
    }

private void OnCollisionEnter2D(Collision2D col) 
{
if (col.gameObject.CompareTag("Player"))
{
direction.x = -direction.x;
speed = speed * coefficientSpeed;
points = points +1;
Debug.Log("Вы набрали -" + points );
}
if (col.gameObject.CompareTag("up"))
{
 direction.y = -direction.y;
} 
if (col.gameObject.CompareTag("down"))
{
  direction.y = -direction.y;
}

if (col.gameObject.CompareTag("bock"))
{
  direction.x = -direction.x;
}
}
}
}