/**** 
* Classes
****/ 
// Create an Exit class
var Exit = Container.expand(function () {
	var self = Container.call(this);
	var exitGraphics = self.attachAsset('Exit', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: blockSize * 1.5,
		height: blockSize * 1.5
	});
});
//<Assets used in the game will automatically appear here>
// Create a Maze class
var Maze = Container.expand(function () {
	var self = Container.call(this);
	self.speed = 5;
	self.update = function () {
		if (self.y + self.height < game.height + blockSize) {
			self.y += self.speed;
		}
		if (self.y > game.height) {
			self.y = 0 - blockSize;
		}
	};
	// Generate a random maze with spaces
	for (var i = 0; i < game.width / blockSize; i++) {
		if (Math.random() < 0.3) {
			// 30% chance to spawn a wall block
			var wall = self.attachAsset('wall', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: i * blockSize,
				y: 0,
				width: blockSize,
				height: blockSize
			});
		} else {
			// 70% chance to spawn a space block
			var space = self.attachAsset('line', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: i * blockSize,
				y: 0,
				width: blockSize,
				height: blockSize
			});
		}
	}
});
// Create a Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: blockSize,
		height: blockSize
	});
	self.speed = 8;
	self.vx = 0;
	self.vy = 0;
	self.update = function () {
		var oldX = self.x;
		var oldY = self.y;
		self.x += self.vx;
		self.y += self.vy;
		if (self.x < 0) {
			self.x = 0;
		}
		if (self.y < 0) {
			self.y = 0;
		}
		if (self.x > game.width) {
			self.x = game.width;
		}
		if (self.y > game.height) {
			self.y = 0;
		}
		// Check for collision with wall and space
		for (var i = 0; i < game.children.length; i++) {
			if (game.children[i] instanceof Wall && self.intersects(game.children[i])) {
				// Add a push effect to the player when it collides with a wall
				self.x = oldX;
				self.y = game.children[i].y - self.height / 2;
				break;
			} else if (game.children[i] instanceof Space && self.intersects(game.children[i])) {
				// Allow the player to pass through spaces
				continue;
			} else if (game.children[i] instanceof Exit && self.intersects(game.children[i])) {
				// Allow the player to pass through the line
				continue;
			}
		}
		// Add Maze to the game
		if (LK.ticks % 60 == 0) {
			var maze = new Maze();
			game.addChild(maze);
		}
	};
});
// Create a Space class
var Space = Container.expand(function () {
	var self = Container.call(this);
	var spaceGraphics = self.attachAsset('line', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: blockSize,
		height: blockSize
	});
});
// Create a Wall class
var Wall = Container.expand(function () {
	var self = Container.call(this);
	var wallGraphics = self.attachAsset('wall', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: blockSize,
		height: blockSize
	});
});

/**** 
* Initialize Game
****/ 
// Check for collision with wall
// Function to generate a random maze
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Add move event to the game
game.move = function (x, y, obj) {
	// Move the player to the x position of the touch or mouse event
	player.x = x - player.width / 2;
};
var blockSize = 100;
// Add player to the bottom middle of the screen
var player = game.addChild(new Player());
player.x = game.width / 2;
player.y = game.height - player.height / 2;
;
game.down = function (x, y, obj) {
	// Start moving the player when touch or mouse down
	game.move(x, y, obj);
};
game.up = function (x, y, obj) {
	// Stop moving the player when touch or mouse up
	player.vx = 0;
};

===================================================================
--- original.js
+++ change.js
@@ -16,11 +16,14 @@
 var Maze = Container.expand(function () {
 	var self = Container.call(this);
 	self.speed = 5;
 	self.update = function () {
-		if (self.y + self.height < game.height) {
+		if (self.y + self.height < game.height + blockSize) {
 			self.y += self.speed;
 		}
+		if (self.y > game.height) {
+			self.y = 0 - blockSize;
+		}
 	};
 	// Generate a random maze with spaces
 	for (var i = 0; i < game.width / blockSize; i++) {
 		if (Math.random() < 0.3) {