var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.createAsset('bullet', 'Bullet Graphics', .5, .5);
	self.speed = 10;
	self.tick = function () {
		if (!self.initialized) {
			self.rotationSpeed = -Math.PI / 60;
			self.rotationTicks = 30;
			self.initialized = true;
		}
		if (self.rotationTicks > 0) {
			bulletGraphics.rotation += self.rotationSpeed;
			self.rotationTicks--;
		}
		self.x += Math.cos(self.rotation) * self.speed;
		self.y += Math.sin(self.rotation) * self.speed;
	};
});
var HexagonElement = Container.expand(function () {
	var self = Container.call(this);
	self.fadeOut = function () {
		var fadeOutInterval = LK.setInterval(function () {
			elementGraphics.alpha -= 0.05;
			elementGraphics.scale.x += 0.05;
			elementGraphics.scale.y += 0.05;
			if (elementGraphics.alpha <= 0) {
				LK.clearInterval(fadeOutInterval);
				self.destroy();
			}
		}, 10);
	};
	var elementGraphics = self.createAsset('element', 'Element Graphics', .5, .5);
	var directions = [{
		x: 1,
		y: 0
	}, {
		x: -1,
		y: 0
	}, {
		x: 0.5,
		y: Math.sqrt(3) / 2
	}, {
		x: -0.5,
		y: Math.sqrt(3) / 2
	}, {
		x: 0.5,
		y: -Math.sqrt(3) / 2
	}, {
		x: -0.5,
		y: -Math.sqrt(3) / 2
	}];
	var chosenDirection = directions[Math.floor(Math.random() * directions.length)];
	self.speed = 2;
	self.tick = function () {
		self.x = (self.x + chosenDirection.x * self.speed + 2048) % 2048;
		self.y = (self.y + chosenDirection.y * self.speed + 2732) % 2732;
	};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var bullets = [];
	var elements = [];
	function startNextLevel() {
		bullets.forEach(function (bullet) {
			bullet.destroy();
		});
		bullets = [];
		elements.forEach(function (element) {
			element.destroy();
		});
		elements = [];
		for (var i = 0; i < 10; i++) {
			var hexagonElement = new HexagonElement();
			hexagonElement.x = Math.random() * 2048;
			hexagonElement.y = Math.random() * 2732;
			elements.push(hexagonElement);
			self.addChild(hexagonElement);
		}
	}
	self.startNextLevel = startNextLevel;
	startNextLevel();
	self.fireBulletsHexagon = function (position) {
		var directions = [{
			x: 1,
			y: 0
		}, {
			x: -1,
			y: 0
		}, {
			x: 0.5,
			y: Math.sqrt(3) / 2
		}, {
			x: -0.5,
			y: Math.sqrt(3) / 2
		}, {
			x: 0.5,
			y: -Math.sqrt(3) / 2
		}, {
			x: -0.5,
			y: -Math.sqrt(3) / 2
		}];
		directions.forEach(function (direction, index) {
			var bullet = new Bullet();
			bullet.x = position.x;
			bullet.y = position.y;
			bullet.rotation = Math.atan2(direction.y, direction.x);
			bullets.push(bullet);
			self.addChild(bullet);
		});
	};
	stage.on('down', function (obj) {
		var event = obj.event;
		var pos = event.getLocalPosition(self);
		self.fireBulletsHexagon(pos);
	});
	LK.on('tick', function () {
		for (var i = bullets.length - 1; i >= 0; i--) {
			bullets[i].tick();
			for (var j = elements.length - 1; j >= 0; j--) {
				if (bullets[i].intersects(elements[j])) {
					var pos = {
						x: elements[j].x,
						y: elements[j].y
					};
					elements[j].fadeOut();
					elements.splice(j, 1);
					self.fireBulletsHexagon(pos);
					break;
				}
			}
			if (bullets[i].x < 0 || bullets[i].x > 2048 || bullets[i].y < 0 || bullets[i].y > 2732) {
				bullets[i].destroy();
				bullets.splice(i, 1);
			}
		}
		for (var j = 0; j < elements.length; j++) {
			elements[j].tick();
		}
	});
});

===================================================================
--- original.js
+++ change.js
@@ -51,10 +51,10 @@
 	}];
 	var chosenDirection = directions[Math.floor(Math.random() * directions.length)];
 	self.speed = 2;
 	self.tick = function () {
-		self.x += chosenDirection.x * self.speed;
-		self.y += chosenDirection.y * self.speed;
+		self.x = (self.x + chosenDirection.x * self.speed + 2048) % 2048;
+		self.y = (self.y + chosenDirection.y * self.speed + 2732) % 2732;
 	};
 });
 var Game = Container.expand(function () {
 	var self = Container.call(this);