IEnumerator KillEnemy(GameObject col)
    {
        if (col.GetComponent <Rigidbody2D>() != null)
        {
            Destroy(col.GetComponent <Rigidbody2D>());
        }
        if (col.GetComponent <BoxCollider2D>() != null)
        {
            Destroy(col.GetComponent <BoxCollider2D>());
        }

        FieldGenerator.ChEnemy("Enemies: " + (GameObject.FindGameObjectsWithTag("Enemy").Length - 1));
        FieldGenerator.ChScore(100);
        col.gameObject.GetComponent <Animator>().SetBool("IsDead", true);
        yield return(new WaitForSeconds(0.1f));

        Destroy(col);
    }