void OnTriggerEnter2D(Collider2D col)
{
Damageable dmgObj = null;
if ((dmgObj = col.GetComponent <Damageable>()) != null)
{
PlayerDamage player = null;
if ((player = (dmgObj as PlayerDamage)) != null)
{
player.SetKnockback(new Vector2(player.transform.position.x - transform.position.x, 1f));
}
dmgObj.Hurt(damage);
}
}