private EntityMonster FindClosedTarget() { List <EntityMonster> lst = BattleMgr.GetEntityMonsters(); if (lst == null || lst.Count == 0) { return(null); } Vector3 self = GetPos(); EntityMonster targetMonster = null; float dis = 0; for (int i = 0; i < lst.Count; i++) { Vector3 target = lst[i].GetPos(); if (i == 0) { dis = Vector3.Distance(self, target); targetMonster = lst[0]; } else { float calcDis = Vector3.Distance(self, target); if (dis > calcDis) { dis = calcDis; targetMonster = lst[i]; } } } return(targetMonster); }