public VacuumEnvironment()
        {
            var r = new Random();

            envState = new VacuumEnvironmentState(
                0 == r.Next(2) ? LocationState.Clean : LocationState.Dirty,
                0 == r.Next(2) ? LocationState.Clean : LocationState.Dirty);
        }
 public VacuumEnvironment(LocationState locAState, LocationState locBState)
 {
     envState = new VacuumEnvironmentState(locAState, locBState);
 }