public HeadTalkState(TalkingHeadMachine curMachine, GameObject head, string name, string text)
 {
     machine   = curMachine;
     this.text = text;
     this.head = head;
     this.name = name;
 }
 public JustWaitState(TalkingHeadMachine curMachine, int sec)
 {
     this.machine = curMachine;
     waitSec      = sec;
 }