void Awake()
    {
        gamelogic = GameObject.Find("Logic").GetComponent<GameLogic>();
        gamelogic.incrementLaunchedBirds ();

        Vector3 randomDir = ExtRandom<Vector3>.RandomSpread ((GameObject.Find("Bird Aimpoint").transform.position - gameObject.transform.position), spreadX, spreadY, spreadZ);
        rigidbody.AddForce (randomDir.normalized * velocity, ForceMode.Impulse);
    }