public float speed = 7f;
public float attackDelay = 3f;
public Projectile projectile;

private Animator animator;

public AudioClip attackSound;

void Start () {
    animator = GetComponent<Animator> ();

    if(attackDelay > 0){

        StartCoroutine(onAttack());
    }
}

void Update () {
    animator.SetInteger("AnimState", 0);
}

IEnumerator onAttack(){
    yield return new WaitForSeconds(attackDelay);
    fire();
    StartCoroutine(onAttack());
}

void fire(){
    animator.SetInteger("AnimState", 1);

    if(attackSound){
        AudioSource.PlayClipAtPoint(attackSound, transform.position);
    }
}
void onShoot(){
    if (projectile){
        Projectile clone = Instantiate(projectile, transform.position, Quaternion.identity)as Projectile;
        if(transform.localEulerAngles.z == 0){
            clone.rigidbody2D.velocity = new Vector2(0, transform.localScale.y) * speed * -1;
        }
        else if(Mathf.RoundToInt(transform.localEulerAngles.z) == 90){

            clone.rigidbody2D.velocity = new Vector2 (transform.localScale.x, 0) * speed;
        }
        else if(Mathf.RoundToInt(transform.localEulerAngles.z) == 180){
            clone.rigidbody2D.velocity = new Vector2 (0, transform.localScale.y) * speed;
        }
        else if(Mathf.RoundToInt(transform.localEulerAngles.z) == 270){
            clone.rigidbody2D.velocity = new Vector2(transform.localScale.x, 0) * speed * -1;
        }
}