/**** 
* Classes
****/ 
// Create an Exit class
var Exit = Container.expand(function () {
	var self = Container.call(this);
	var exitGraphics = self.attachAsset('Exit', {
		anchorX: 1,
		anchorY: 1,
		width: blockSize * 2,
		height: blockSize * 2
	});
});
// 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 = 5;
	self.update = function () {
		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 = game.height;
		}
		for (var i = 0; i < game.children.length; i++) {
			if (game.children[i] instanceof Wall && self.intersects(game.children[i])) {
				LK.showGameOver();
			}
		}
	};
});
//<Assets used in the game will automatically appear here>
// 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
	});
});

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

/**** 
* Game Code
****/ 
// Function to generate a static maze
var blockSize = 50;
var background = LK.getAsset('Background1', {
	anchorX: 0.5,
	anchorY: 0.5
});
background.width = game.width;
background.height = game.height;
background.x = game.width / 2;
background.y = game.height / 2;
game.addChildAt(background, 0);
function generateMaze() {
	var mazeWidth = Math.floor(game.width / blockSize);
	var mazeHeight = Math.floor(game.height / blockSize);
	for (var i = 0; i < mazeWidth; i++) {
		for (var j = 0; j < mazeHeight; j++) {
			if (i === 0 || i === mazeWidth - 1 || j === 0 || j === mazeHeight - 1 || i === 3 && j > 2 && j < 8 || i === 6 && j > 4 && j < 10 || i > 6 && i < 10 && j === 6 || i === 8 && j > 2 && j < 8 || i === 10 && j > 4 && j < 10 || i > 10 && i < 14 && j === 8 || i === 5 && j === 5 || i === 7 && j === 7 || i === 9 && j === 9 || i === 11 && j === 11 || i === 13 && j === 13) {
				var wall = LK.getAsset('wall', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				wall.width = blockSize;
				wall.height = blockSize;
				wall.x = i * blockSize + blockSize / 2;
				wall.y = j * blockSize + blockSize / 2;
				game.addChild(wall);
			}
		}
	}
}
generateMaze();
var player = game.addChild(new Player());
player.x = blockSize * 2;
player.y = game.height - blockSize * 2;
// Create an exit in the maze
var exit = game.addChild(new Exit());
exit.width = blockSize;
exit.height = blockSize;
exit.x = game.width - blockSize * 2;
exit.y = blockSize * 2;
// Add mouse down event to make player follow the cursor only when clicked and dragged
var dragNode = null;
game.down = function (x, y, obj) {
	dragNode = player;
};
game.move = function (x, y, obj) {
	if (dragNode) {
		dragNode.x = x - dragNode.width / 2;
		dragNode.y = y - dragNode.height / 2;
		if (player.intersects(exit)) {
			LK.showGameOver();
		}
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};

===================================================================
--- original.js
+++ change.js
@@ -35,10 +35,9 @@
 			self.y = game.height;
 		}
 		for (var i = 0; i < game.children.length; i++) {
 			if (game.children[i] instanceof Wall && self.intersects(game.children[i])) {
-				self.x -= self.speed * Math.sign(self.x - game.children[i].x);
-				self.y -= self.speed * Math.sign(self.y - game.children[i].y);
+				LK.showGameOver();
 			}
 		}
 	};
 });