void OnTriggerEnter2D(Collider2D other) { if (other.tag == "Bullet" || other.tag == "Knife") { HitScript HS = other.GetComponent <HitScript> (); if ((HS.GetOwner() == PCS.GetPlayerNum()) && HS.IsKnife) { AS.ReloadSec(); HS.KillBoomerang(); } } }