public void SubMask(타겟 a) { if (!CheckMask(a)) { return; } targetMask = (targetMask - (1 << (int)a)); }
public bool CheckMask(타겟 a) { return((targetMask & (1 << (int)a)) == (1 << (int)a)); }
public void AddMask(타겟 a) { targetMask = (targetMask | (1 << (int)a)); }