JumperMover

using UnityEngine;

[RequireComponent(typeof(Rigidbody2D))]
public class JumperMover : MonoBehaviour
{
    [SerializeField] private float _horizontalSpeedMove = 500f;
    private Rigidbody2D _rigidbody2D;
    private float _horizontalInput;
    private void Awake()
    {
        _rigidbody2D = GetComponent<Rigidbody2D>();
    }
    private void Update()
    {
        _horizontalInput = Input.GetAxis("Horizontal");
    }
    private void FixedUpdate()
    {
        _rigidbody2D.velocity = new Vector2(_horizontalInput * _horizontalSpeedMove * Time.fixedDeltaTime, _rigidbody2D.velocity.y);
    }
}