public void Stop(double amount)
 {
     if (Ship != null)
     {
         StopAction sa = new StopAction(amount);
         if (IsEvent)
         {
             AddEvent(sa);
         }
         else
         {
             AddAction(sa);
         }
     }
 }
 public void Stop(double amount)
 {
     if (Ship != null)
     {
         StopAction sa = new StopAction(amount);
         if (IsEvent)
             AddEvent(sa);
         else
             AddAction(sa);
     }
 }