Elevator Saga

gistfile1.js

{
  init: function(elevators, floors) {
    elevators.forEach(function(elevator) {    
      elevator.floorIsDestination = function(floorNum) {
        return elevator.destinationQueue.indexOf(floorNum) != -1;
      }
 
      elevator.on("floor_button_pressed", function(floorNum) {
        if (!elevator.floorIsDestination(floorNum)) {
          elevator.goToFloor(floorNum);
        }
      });
        
      elevator.on("passing_floor", function(floorNum, direction) {
        if (elevator.floorIsDestination(floorNum) && elevator.loadFactor() < 1) {
          elevator.destinationQueue = elevator.destinationQueue.filter(function(f) { return f != floorNum; });
          elevator.goToFloor(floorNum, true);
        }
      });
    });

    floors.forEach(function(floor) {
      floor.on("up_button_pressed down_button_pressed", function() {
        if (elevators.some(function(elevator) { return elevator.floorIsDestination(floor.floorNum()); })) {
          return;
        }
                
        var vator = elevators[0];
                
        for(var i = 0; i < elevators.length; i++)
          if (elevators[i].destinationQueue.length < vator.destinationQueue.length && elevators[i].loadFactor() < 1) {
            vator = elevators[i];
          }
          
          if (!vator.floorIsDestination(floor.floorNum())) {
            vator.goToFloor(floor.floorNum());
          }
        });
      });
    },
    update: function(dt, elevators, floors) { }
}