Joystick mobile

Eu to fazendo um jogo para Android de fps, script do joystick ta certo só que o player n se move e n tem erro
Acho que tenho que colocar alguma coisa no script do player só que eu n sei oque.

using UnityEngine;

public class Player : MonoBehaviour {

CharacterController controller;

Vector3 forward;
Vector3 strafe;
Vector3 vertical;

float forwardSpeed = 5f;
float strafeSpeed = 5f;

float gravity;
float jumpSpeed;
float maxJumpHeight = 2f;
float timeToMaxHeight = 0.5f;

public VirtualJoystick joystick;

void Start() {
controller = GetComponent<CharacterController>();

gravity = (-2 * maxJumpHeight) / (timeToMaxHeight * timeToMaxHeight);
jumpSpeed = (2 * maxJumpHeight) / timeToMaxHeight;

}

void Update() {

float forwardInput = Input.GetAxisRaw("Vertical");
float strafeInput = Input.GetAxisRaw("Horizontal");

// force = input * speed * direction
forward = forwardInput * forwardSpeed * transform.forward;
strafe = strafeInput * strafeSpeed * transform.right;

vertical += gravity * Time.deltaTime * Vector3.up;

if(controller.isGrounded) {
vertical = Vector3.down;
}

if(Input.GetKeyDown(KeyCode.Space) && controller.isGrounded) {
vertical = jumpSpeed * Vector3.up;
}

if (vertical.y > 0 && (controller.collisionFlags & CollisionFlags.Above) != 0) {
vertical = Vector3.zero;
}

Vector3 finalVelocity = forward + strafe + vertical;

controller.Move(finalVelocity * Time.deltaTime);

}
}

Script do joystick
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using System.Collections;

public class VirtualJoystick : MonoBehaviour, IDragHandler, IPointerUpHandler, IPointerDownHandler
{

private Image bgImg;
private Image joystickImg;
private Vector3 inputVector;

public GameObject player;
public float speed;

private void Start()
{
bgImg = GetComponent<Image>();
joystickImg = transform.GetChild(0).GetComponent<Image>();
}
public virtual void OnDrag(PointerEventData ped)
{

Vector2 pos;
if (RectTransformUtility.ScreenPointToLocalPointInRectangle(bgImg.rectTransform
, ped.position
, ped.pressEventCamera
, out pos))
{
pos.x = (pos.x / bgImg.rectTransform.sizeDelta.x);
pos.y = (pos.y / bgImg.rectTransform.sizeDelta.y);

inputVector = new Vector3(pos.x * 3, 0, pos.y * 3);
inputVector = (inputVector.magnitude > 1.0f) ? inputVector.normalized : inputVector;

// Move Joystick IMG
joystickImg.rectTransform.anchoredPosition =
new Vector3(inputVector.x * (bgImg.rectTransform.sizeDelta.x / 3)
, inputVector.z * (bgImg.rectTransform.sizeDelta.y / 3));
}
}

Tente este:

https://www.schultzgames.com/t8559-tutorial-joystick-virtual-para-mobile?highlight=joystick

super fácil aqui: