CannonScript.Update C# (CSharp) Method

    void Update()
    {
        timer -= Time.deltaTime;
        if(timer < 0){
            shootReady = true;
            timer = shootSpeed;
        }
        if(shootReady){
            shootReady = false;
            GameObject cannonBallObj = Instantiate(cannonBall, shootSpot.transform.position, Quaternion.identity) as GameObject;
            cannonBallObj.GetComponent<Rigidbody2D>().AddForce(transform.right * -cannonBallSpeed);
            //cannonBallObj.GetComponent<Rigidbody2D>().AddTorque(1000);
        }
    }