PlayerController

using UnityEngine;
using System.Collections;

public class PlayerController : MonoBehaviour {

    public float speed = 6f;
    protected Rigidbody playerRB;

    protected Vector3 movement;
    protected Vector3 direction;


    protected void Start () {
        playerRB = GetComponent<Rigidbody>();
    }

    // Update is called once per frame
    void FixedUpdate () {
        Move();
    }

    protected void Move()
    {


        float x = Input.GetAxisRaw("Horizontal");
        float z = Input.GetAxisRaw("Vertical");
        Vector3 newPos = new Vector3(x, 0f, z);
        newPos = Camera.main.transform.TransformDirection(newPos);
        movement.Set(newPos.x, newPos.y, newPos.z);
        movement = movement.normalized * Time.deltaTime;

        direction = new Vector3(x, 0f, z);
        direction = Camera.main.transform.TransformDirection(direction);
        direction = direction.normalized;

        if (direction.sqrMagnitude > 0.01){
            playerRB.transform.rotation = Quaternion.Slerp(playerRB.transform.rotation, Quaternion.LookRotation(direction), Time.deltaTime);
        }

        playerRB.MovePosition(movement + transform.position);

    }
}