Usefull-Unity-Scripts/3D/Movement/Basic Cube/CubeMovement.c#

using UnityEngine;

public class CubeMovement : MonoBehaviour
{
    public float movementSpeed = 5f;

    void Update()
    {
        // Get input from keyboard or arrow keys
        float horizontalInput = Input.GetAxis("Horizontal");
        float verticalInput = Input.GetAxis("Vertical");

        // Calculate the movement direction
        Vector3 movementDirection = new Vector3(horizontalInput, 0f, verticalInput).normalized;

        // Move the cube based on the input and movement speed
        transform.Translate(movementDirection * movementSpeed * Time.deltaTime);
    }
}