Simple Top Down Controller

PlayerMovement.cs

using System;
using System.Collections;
using System.Collections.Generic;
using MoreMountains.Feedbacks;
using UnityEngine;

[RequireComponent(typeof(Rigidbody))]
public class PlayerMovement : MonoBehaviour
{
    private float hor;
    private float vert;

    public float movementSpeed = 2f;
    private Rigidbody _rigidbody;
    
    private Vector3 movementVector;
    
    [Header("Smoothing")] 
    public float rotationSpeed;
    public bool isMoving;
    
    private bool disabled;
    private void Awake()
    {
        _rigidbody = GetComponent<Rigidbody>();
    }

    private void Update()
    {
        if(disabled)
            return;
        
        hor = Input.GetAxis("Horizontal");
        
        vert = Input.GetAxis("Vertical");

        isMoving = movementVector.magnitude > .01f;
        
        movementVector = new Vector3(hor, 0, vert).normalized;
        
        Move(); 
        HandleRotation();
    }

    private void HandleRotation()
    {
        if(!isMoving)
            return;
        
        var lookRot = Quaternion.LookRotation(movementVector);

        var rot = Quaternion.Slerp(transform.rotation, lookRot, rotationSpeed);

        transform.rotation = rot;
    }
    
    void Move()
    {
        _rigidbody.AddForce(movementSpeed * Time.deltaTime * movementVector);
    }

    public void DisableMovement()
    {
        _rigidbody.velocity = Vector3.zero;

        _rigidbody.isKinematic = true;

        disabled = true;

    }

    public void EnableMovement()
    {
        _rigidbody.isKinematic = false;
        
        disabled = false;
    }
}