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Game Development How to Make a Video Game Player Input and Cameras Gather Player Input

Code error

I am getting a code error when I try to play the video game. I followed word for word with the instructor. the problem is that the beginning script when opened is different. can this be the cause?

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

public class PlayerMovement : MonoBehaviour {

private Animator playerAnimator;
private float moveHorizontal;
private float moveVertical;
private Vector3 movement;

// Use this for initialization
void Start () {

}

// Update is called once per frame
void Update () {
    moveHorizontal = Input.GetAxisRaw ("Horizontal");
    moveVertical = Input.GetAxisRaw ("Vertical");

    movement = new Vector3 (moveHorizontal, 0.0f, moveVertical);
}

}