im trying to follow the roll a boll tutorial but the script isnt working please help also heres the script i am using
using UnityEngine;
using System.Collections;
public class playercontroller : MonoBehaviour
{
void FixedUpdate ()
{
float moveHorizontal = Input.GetAxis ("Horizontal");
float moveVertical = Input.GetAxis ("Vertical");
Vector3 movement = new Vector3 (moveHorizontal ,0.0f, moveVertical );
rigidbody .AddForce (movement);
}