using UnityEngine;

[RequireComponent(typeof(Rigidbody))]
public class PlayerController : MonoBehaviour {

    Rigidbody rb;
    public Camera mainCam;
    public float speed = 5f;
    public float sensitivity = 3f;

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

    void Update ()
    {
        //Movement
        float xMov = Input.GetAxisRaw("Horizontal");
        float zMov = Input.GetAxisRaw("Vertical");

        Vector3 movHorizontal = transform.right * xMov;
        Vector3 movVertical = transform.forward * zMov;

        Vector3 velocity = (movHorizontal + movVertical).normalized * speed;

        if(velocity != Vector3.zero)
        {
            rb.MovePosition(rb.position + velocity * Time.deltaTime);
        }

        //Camera
        float yRot = Input.GetAxisRaw("Mouse X");
        float xRot = Input.GetAxisRaw("Mouse Y");

        Vector3 yRotation = new Vector3(0, yRot, 0) * sensitivity;
        Vector3 xRotation = new Vector3(xRot, 0, 0) * sensitivity;

        rb.MoveRotation(rb.rotation * Quaternion.Euler (yRotation));
        mainCam.transform.Rotate(-xRotation);
    }
}