Elevators

gistfile1.js

{
    init: function(elevators, floors) {

        // Find the closest elevator which isn't full
        var findSuitableElevator = function(floor) {
            var floorNum = floor.floorNum();
            var idealElevator = 
                _.chain(elevators)
                 .filter(function(elevator) {
                     return elevator.loadFactor() < 0.7;
                 })
                 .sortBy(function(elevator) {
                    return (elevator.currentFloor() - floorNum);
                 })
                 .first()
                 .value();
            
            var elevator = idealElevator || elevators[1];
            elevator.goToFloor(floorNum);
        };

        _.each(floors, function(floor) {
            floor.on("up_button_pressed down_button_pressed", function() {
                findSuitableElevator(floor);
            });
        });

        _.each(elevators, function(elevator) {
            // elevator.on("idle", function() {
            //     this.goToFloor(0);
            // });

            elevator.on("floor_button_pressed", function(floorNum) {
                this.goToFloor(floorNum);
            });
        });
    },
    update: function(dt, elevators, floors) {
        // We normally don't need to do anything here
    }
}