Ruch 2D (Old Input system)

using UnityEngine;

public class PlayerMovement : MonoBehaviour
{
    [SerializeField] float speed = 5f;
    void Update()
    {
        MovePlayer();
    }

    void MovePlayer()
    {
        Vector2 movement = new(Input.GetAxisRaw("Horizontal"), Input.GetAxisRaw("Vertical"));
        movement.Normalize();
        transform.Translate(Time.deltaTime * speed * movement);
    }
}

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

public class PlayerMovementRb : MonoBehaviour
{
    [SerializeField] float speed = 5f;
    Rigidbody2D rb;

    Vector2 movement;

    private void Awake()
    {
        rb = GetComponent<Rigidbody2D>();
    }

    void Update()
    {
        movement = new(Input.GetAxisRaw("Horizontal"), Input.GetAxisRaw("Vertical"));
    }

    private void FixedUpdate()
    {
        movement.Normalize();
        rb.velocity = movement * speed;
    }
}