FPS Script

public class FirstPersonScript : MonoBehaviour {

    //PublicVariables //PublicDeclerations
    public float MouseSensitivity = 7.0f;
    public float zMovementspeed = 8.0f;
    public float xMovementspeed = 9.0f;
    public float PovRange = 110.0f;
    public float RotationY = 0;

    void Start () {

        Screen.lockCursor = true;
    }

    // Update is called once per frame
    void Update () {


    //Rotation
    //Variables // Declerations
        float RotationX = Input.GetAxis ("Mouse X") * MouseSensitivity;
    //Callback
        transform.Rotate (0, RotationX, 0);
        RotationY -= Input.GetAxis ("Mouse Y") * MouseSensitivity;
        RotationY = Mathf.Clamp (RotationY, -PovRange, PovRange);
        Camera.main.transform.localRotation = Quaternion.Euler (RotationY, 0, 0);

    //Movement
    //Variables // Declerations
        float zAxispeed = Input.GetAxis ("Vertical") * zMovementspeed;
        float xAxispeed = Input.GetAxis ("Horizontal") * xMovementspeed;
        Vector3 zSpeed = new Vector3 (xAxispeed, 0, zAxispeed);
        CharacterController CharControl = GetComponent<CharacterController>();

    //Callback
        zSpeed = transform.rotation * zSpeed;
        CharControl.SimpleMove( zSpeed );

    }

    }