/**** 
* Classes
****/ 
// Board class to represent the game board
var Board = Container.expand(function () {
	var self = Container.call(this);
	self.board = [];
	self.boardWidth = 9;
	self.boardHeight = 9;
	self.candySize = (game.width - (self.boardWidth - 1) * 2) / self.boardWidth;
	self.difficulty = 'easy';
	self.selectedCandy = null;
	self.moves = 0;
	self.time = 0;
	self.draggingCandy = null;
	// Initialize the board with candies
	self.initializeBoard = function (difficulty) {
		self.difficulty = difficulty;
		self.moves = difficulty === 'medium' ? 30 : 0;
		self.time = difficulty === 'hard' ? 60 : 0;
		for (var i = 0; i < self.boardWidth; i++) {
			self.board[i] = [];
			for (var j = 0; j < self.boardHeight; j++) {
				self.createCandyAt(i, j);
			}
		}
		while (self.hasMatches()) {
			self.reshuffleBoard();
		}
	};
	// Create a candy at specific position
	self.createCandyAt = function (i, j) {
		var item;
		if (Math.random() < 0.1) {
			item = new PowerUp();
		} else {
			item = new Candy();
			if (self.difficulty === 'medium' && Math.random() < 0.1) {
				item.locked = true;
			} else if (self.difficulty === 'hard' && Math.random() < 0.2) {
				item.locked = true;
				item.immovable = true;
			}
		}
		item.x = i * (self.candySize + 2) + self.candySize / 2;
		item.y = j * (self.candySize + 2) + self.candySize / 2;
		item.boardX = i;
		item.boardY = j;
		self.board[i][j] = item;
		self.addChild(item);
		return item;
	};
	// Swap two candies on the board
	self.swapCandies = function (candy1, candy2) {
		if (!candy1 || !candy2 || candy1 === candy2) {
			return false;
		}
		if (candy1.locked || candy2.locked || candy1.immovable || candy2.immovable) {
			return false;
		}
		var dx = Math.abs(candy1.boardX - candy2.boardX);
		var dy = Math.abs(candy1.boardY - candy2.boardY);
		if (dx + dy !== 1) {
			return false;
		}
		var tempX = candy1.x,
			tempY = candy1.y;
		var tempBX = candy1.boardX,
			tempBY = candy1.boardY;
		candy1.x = candy2.x;
		candy1.y = candy2.y;
		candy1.boardX = candy2.boardX;
		candy1.boardY = candy2.boardY;
		candy2.x = tempX;
		candy2.y = tempY;
		candy2.boardX = tempBX;
		candy2.boardY = tempBY;
		self.board[candy1.boardX][candy1.boardY] = candy1;
		self.board[candy2.boardX][candy2.boardY] = candy2;
		return true;
	};
	// Check for matches on the board
	self.hasMatches = function () {
		for (var i = 0; i < self.boardWidth; i++) {
			for (var j = 0; j < self.boardHeight; j++) {
				if (self.checkMatchAt(i, j)) {
					return true;
				}
			}
		}
		return false;
	};
	// Check for a match at a specific position
	self.checkMatchAt = function (i, j) {
		var candy = self.board[i][j];
		if (!candy) {
			return false;
		}
		// Check horizontal match
		if (i < self.boardWidth - 2 && self.board[i + 1][j] && self.board[i + 2][j] && self.board[i + 1][j].constructor === candy.constructor && self.board[i + 2][j].constructor === candy.constructor) {
			return true;
		}
		// Check vertical match
		if (j < self.boardHeight - 2 && self.board[i][j + 1] && self.board[i][j + 2] && self.board[i][j + 1].constructor === candy.constructor && self.board[i][j + 2].constructor === candy.constructor) {
			return true;
		}
		return false;
	};
	return self;
});
// Candy class to represent individual candy pieces
var Candy = Container.expand(function () {
	var self = Container.call(this);
	// Attach a random candy asset to the candy object
	var candyGraphics = self.attachAsset('candy' + (Math.floor(Math.random() * 5) + 1), {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
// PowerUp class to represent special power-up pieces
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	// Attach a random candy asset to the power-up object
	var powerUpGraphics = self.attachAsset('candy' + (Math.floor(Math.random() * 5) + 1), {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
var gameBoard = new Board();
game.addChild(gameBoard);
gameBoard.initializeBoard('easy');
gameBoard.y = (game.height - gameBoard.candySize * gameBoard.boardHeight - 2 * (gameBoard.boardHeight - 1)) / 2;
gameBoard.x = (game.width - gameBoard.candySize * gameBoard.boardWidth - 2 * (gameBoard.boardWidth - 1)) / 2;
// Handle input events
game.down = function (x, y, obj) {
	gameBoard.draggingCandy = gameBoard.getCandyAtPosition(x, y);
};
game.up = function (x, y, obj) {
	if (gameBoard.draggingCandy) {
		var candyAtMouse = gameBoard.getCandyAtPosition(x, y);
		gameBoard.swapCandies(gameBoard.draggingCandy, candyAtMouse);
	}
	gameBoard.draggingCandy = null;
};
game.move = function (x, y, obj) {
	if (gameBoard.draggingCandy) {
		var candyAtMouse = gameBoard.getCandyAtPosition(x, y);
		if (candyAtMouse && gameBoard.draggingCandy !== candyAtMouse) {
			if (gameBoard.swapCandies(gameBoard.draggingCandy, candyAtMouse)) {
				gameBoard.draggingCandy = null;
			}
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -78,8 +78,35 @@
 		self.board[candy1.boardX][candy1.boardY] = candy1;
 		self.board[candy2.boardX][candy2.boardY] = candy2;
 		return true;
 	};
+	// Check for matches on the board
+	self.hasMatches = function () {
+		for (var i = 0; i < self.boardWidth; i++) {
+			for (var j = 0; j < self.boardHeight; j++) {
+				if (self.checkMatchAt(i, j)) {
+					return true;
+				}
+			}
+		}
+		return false;
+	};
+	// Check for a match at a specific position
+	self.checkMatchAt = function (i, j) {
+		var candy = self.board[i][j];
+		if (!candy) {
+			return false;
+		}
+		// Check horizontal match
+		if (i < self.boardWidth - 2 && self.board[i + 1][j] && self.board[i + 2][j] && self.board[i + 1][j].constructor === candy.constructor && self.board[i + 2][j].constructor === candy.constructor) {
+			return true;
+		}
+		// Check vertical match
+		if (j < self.boardHeight - 2 && self.board[i][j + 1] && self.board[i][j + 2] && self.board[i][j + 1].constructor === candy.constructor && self.board[i][j + 2].constructor === candy.constructor) {
+			return true;
+		}
+		return false;
+	};
 	return self;
 });
 // Candy class to represent individual candy pieces
 var Candy = Container.expand(function () {