using UnityEngine;
using System.Collections;

public class EnemySound : MonoBehaviour
{
    AudioSource audio;

    //float timer = 0f;
    void Start ()
    {
        audio = GetComponent<AudioSource>();
        StartCoroutine(PlayPeriodicSound());
    }

    void Update ()
    {
    }

        IEnumerator PlayPeriodicSound()
        {
            float timer = 0;
            while (true)
            {

                if (MoveDown.enemies.Length > 20) //(over 20 bad guys)
                {
                    timer = Random.Range(0.5f, 1f);
                }
                else if (MoveDown.enemies.Length > 5) // (5 - 19 bad guys)
                {
                    timer = Random.Range(0.3f, .7f);
                }
                else if (MoveDown.enemies.Length > 1) // (2-5 bad guys)
                {
                    timer = Random.Range(0.1f, .3f);
                }
                if (MoveDown.enmies.Length <= 1)
                {
                    timer = 0.1f;
                }
                yield return new WaitForSeconds(timer);
                audio.Play();
            }
        }

}