Script movimentação de personagem Unity3D

Movimentacao.cs

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

public class Movimentacao : MonoBehaviour
{
 
    public Rigidbody rb;
    public Animator anim;
    public float moveSpeed = 20.0f;
    Vector3 movement;


    void Update()
    {
        float xAxis = Input.GetAxisRaw("Horizontal");
        float zAxis = Input.GetAxisRaw("Vertical");
        movement = new Vector3(xAxis,0,zAxis) * moveSpeed * Time.deltaTime;
        rb.MovePosition(transform.position + movement);

        if(movement.x !=0 || movement.z !=0){
                
                anim.SetBool("Run", true);

        }else{
                anim.SetBool("Run", false);

        }
     
        if(xAxis == 1){
        
	        transform.rotation = Quaternion.Slerp(transform.rotation,Quaternion.Euler(0,90,0) , moveSpeed);

        }

	if(xAxis == -1){
        
	        transform.rotation = Quaternion.Slerp(transform.rotation,Quaternion.Euler(0,-90,0) , Time.deltaTime * moveSpeed);

        }
        
	if(zAxis == 1){
	        transform.rotation = Quaternion.Slerp(transform.rotation,Quaternion.Euler(0,0,0), Time.deltaTime * moveSpeed);
        }

        
	if(zAxis == -1){
        
	        transform.rotation = Quaternion.Slerp(transform.rotation,Quaternion.Euler(0,-180,0), Time.deltaTime * moveSpeed);

        }
    }
}