var Line = Container.expand(function () {
	var self = Container.call(this);
	var lineGraphics = self.createAsset('line', 'Line Graphics', 0, 0.5);
	self.setLength = function (length) {
		lineGraphics.width = length;
	};
	return self;
});
var Dot = Container.expand(function () {
	var self = Container.call(this);
	var dotGraphics = self.createAsset('dot', 'Dot Graphics', .5, .5);
	self.connect = function () {};
});
var Square = Container.expand(function () {
	var self = Container.call(this);
	var squareGraphics = self.createAsset('square', 'Square Graphics', .5, .5);
	self.collectGift = function () {};
});
var PlayerIcon = Container.expand(function (playerNumber) {
	var self = Container.call(this);
	var iconAsset = playerNumber === 1 ? 'player1Icon' : 'player2Icon';
	var playerIconGraphics = self.createAsset(iconAsset, 'Player ' + playerNumber + ' Icon', 0.5, 0.5);
	return self;
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var player1Icon = self.addChild(new PlayerIcon(1));
	player1Icon.x = 2048 * 0.25;
	player1Icon.y = 200;
	var player2Icon = self.addChild(new PlayerIcon(2));
	player2Icon.x = 2048 * 0.75;
	player2Icon.y = 200;
	var dots = [];
	var squares = [];
	var gifts = 0;
	var boardSize = 6 * 300;
	var offsetX = (2048 - boardSize) / 2;
	var offsetY = (2732 - boardSize) / 2 + 150;
	for (var i = 0; i < 7; i++) {
		for (var j = 0; j < 7; j++) {
			var dot = new Dot();
			dot.x = offsetX + i * 300;
			dot.y = offsetY + j * 300;
			dots.push(dot);
			self.addChild(dot);
		}
	}
	dots.forEach(function (dot) {
		dot.on('down', function (obj) {
			var event = obj.event;
			var pos = event.getLocalPosition(self);
		});
	});
	LK.on('tick', function () {
		squares.forEach(function (square) {
			if (square.isComplete()) {
				gifts++;
				square.collectGift();
			}
		});
	});
});

===================================================================
--- original.js
+++ change.js
@@ -1,4 +1,12 @@
+var Line = Container.expand(function () {
+	var self = Container.call(this);
+	var lineGraphics = self.createAsset('line', 'Line Graphics', 0, 0.5);
+	self.setLength = function (length) {
+		lineGraphics.width = length;
+	};
+	return self;
+});
 var Dot = Container.expand(function () {
 	var self = Container.call(this);
 	var dotGraphics = self.createAsset('dot', 'Dot Graphics', .5, .5);
 	self.connect = function () {};