Room: elevator1
{

Event: "Go to 2nd floor" {
// When the elevator goes to 2nd floor, all items are moved to elevator2

foreach (allObjects as obj){
if (obj != this)
obj.moveTo(elevator2)
}
}
}

Room: elevator2
{

Event: "Go to 1st floor" {
// When the elevator goes to 1st floor, all items are moved to elevator1

foreach (allObjects as obj){
if (obj != this)
obj.moveTo(elevator1)
}
}
}