public B_FleeState(StateMachine sm, NPC_B npc_b) : base(sm, npc_b) { _npc = npc_b; }
public B_PursuitState(StateMachine sm, NPC_B npc_b) : base(sm, npc_b) { _npc = npc_b; }
public B_State(StateMachine sm, NPC_B _npc_b) : base(sm) { npc_b = _npc_b; }