Help with home work

using UnityEngine;
using UnityEngine.UIElements;

public class SquareMovingAround : MonoBehaviour
{
    [SerializeField]
    private Vector2 direction; // Direction du mouvement
    private float speed = 1.5f; // Vitesse du mouvement
    [SerializeField]
    private float minX, maxX, minY, maxY; // Limites horizontales et verticales

    // Update is called once per frame
    void Update()
    {
        // On déplace le carré
        transform.Translate(speed * Time.deltaTime * direction);

        // Si la limite est atteinte, on change de direction
        if (transform.localPosition.x >= maxX)
        {
            //direction.y = -direction.y;
            transform.localPosition = new Vector2(transform.localPosition.x, maxY);
            direction.y = -direction.y;
        }
        if (transform.localPosition.x <= minX)
        {
            transform.localPosition = new Vector2(minX, transform.localPosition.y);
            speed = -speed;
            
        }
       

        /*if (transform.localPosition.y >= maxY || transform.localPosition.y <= minY)
        {
            float limitHorizontal = Mathf.Clamp(transform.localPosition.y, minX, maxX);
            transform.localPosition = new Vector2(transform.localPosition.x, limitHorizontal);
        }
        */

    }
}

using UnityEngine;
using UnityEngine.UIElements;

public class SquareMovingAround : MonoBehaviour
{
    [SerializeField]
    private Vector2 direction; // Direction du mouvement
    private float speed = 1.5f; // Vitesse du mouvement
    [SerializeField]
    private float minX, maxX, minY, maxY; // Limites horizontales et verticales

    // Update is called once per frame
    void Update()
    {
        // On déplace le carré
        transform.Translate(speed * Time.deltaTime * direction);

        // Si la limite est atteinte, on change de direction
        if (transform.localPosition.x >= maxX)
        {
            //direction.y = -direction.y;
            transform.localPosition = new Vector2(transform.localPosition.x, maxY);
            direction.y = -direction.y;
        }
        if (transform.localPosition.x <= minX)
        {
            transform.localPosition = new Vector2(minX, transform.localPosition.y);
            speed = -speed;
            
        }
       

        /*if (transform.localPosition.y >= maxY || transform.localPosition.y <= minY)
        {
            float limitHorizontal = Mathf.Clamp(transform.localPosition.y, minX, maxX);
            transform.localPosition = new Vector2(transform.localPosition.x, limitHorizontal);
        }
        */

    }
}