public void OnTriggerEnter2D(Collider2D other)
    {
        if (other.tag == "Player")
        {
            SimplePlayer player = other.GetComponent <SimplePlayer>();

            TextRef.textBuilder.CreateText(transform.position, "+ATTACK SPEED", Color.red, Color.black);

            //player.attackSpeedPowerUp(duration, power);

            //Is now permanent power up
            player.PermAttackSpeedPowerUp(fractionalIncrease);
            Destroy(gameObject);
            au.Play();
        }
    }