var speed = 3.0;
var rotatespeed = 3.0;
var bullitPrefab:Transform;

function Update ()
{
           var controller : CharacterController = GetComponent(CharacterController);

           // Rotate around y - axis
           transform.Rotate(0, Input.GetAxis ("Horizontal") * rotatespeed, 0);

           // Move forward/backward
           var forward = transform.TransformDirection(Vector3.forward);
           var curSpeed = speed * Input.GetAxis ("Vertical");
           controller.SimpleMove(forward * curSpeed);

           if(Input.GetButtonDown("Jump"))
           {
             var bullit = Instantiate(bullitPrefab,
               GameObject.Find("SP").transform.position,
               Quaternion.identity);
             bullit.rigidbody.AddForce(transform.forward * 2000);
           }

}

@script RequireComponent(CharacterController)