const dungeon = new Dungeon({
  // The dungeon's grid size
  width: 40,
  height: 40,
  rooms: {
    // Random range for the width of a room (grid units)
    width: {
      min: 5,
      max: 10
    },
    // Random range for the height of a room (grid units)
    height: {
      min: 8,
      max: 20
    },
    // Cap the area of a room - e.g. this will prevent large rooms like 10 x 20
    maxArea: 150,
    // Max rooms to place
    maxRooms: 10
  }
});