/**** 
* Classes
****/ 
// Class for the game board
var Board = Container.expand(function () {
	var self = Container.call(this);
	self.grid = [];
	self.rows = 8;
	self.cols = 8;
	self.spacing = 10;
	var mesureGem = new Gem();
	self.gemSize = mesureGem.width + self.spacing;
	self.init = function () {
		for (var row = 0; row < self.rows; row++) {
			self.grid[row] = [];
			for (var col = 0; col < self.cols; col++) {
				var gem = new Gem();
				gem.x = gem.targetX = col * self.gemSize;
				gem.y = gem.targetY = row * self.gemSize;
				self.grid[row][col] = gem;
				self.addChild(gem);
			}
		}
	};
	// Method to swap two gems
	self.swapGems = function (gem1, gem2) {
		var temp = self.grid[gem1.row][gem1.col];
		self.grid[gem1.row][gem1.col] = self.grid[gem2.row][gem2.col];
		self.grid[gem2.row][gem2.col] = temp;
		var tempX = gem1.targetX;
		var tempY = gem1.targetY;
		gem1.targetX = gem2.targetX;
		gem1.targetY = gem2.targetY;
		gem2.targetX = tempX;
		gem2.targetY = tempY;
	};
});
//<Assets used in the game will automatically appear here>
// Class for a single gem
var Gem = Container.expand(function () {
	var self = Container.call(this);
	var gemGraphics = self.attachAsset('gem', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.targetX = 0;
	self.targetY = 0;
	self.type = Math.floor(Math.random() * 5); // Random type for the gem
	self.update = function () {
		// Update logic for the gem if needed
	};
	self.down = function (x, y, obj) {
		// Logic for selecting the gem
		game.selectGem(self, x, y);
	};
	self.update = function () {
		if (currentDragNode != self) {
			self.x += (self.targetX - self.x) / 10;
			self.y += (self.targetY - self.y) / 10;
		}
	};
});

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

/**** 
* Game Code
****/ 
var selectedGem = null;
var board = new Board();
board.x = (2048 - board.cols * board.gemSize + board.gemSize + board.spacing) / 2;
board.y = (2732 - board.rows * board.gemSize + board.gemSize + board.spacing) / 2;
board.init();
game.addChild(board);
var currentDragNode = undefined;
var currentDragNodeX = 0;
var currentDragNodeY = 0;
game.selectGem = function (gem, offsetX, offsetY) {
	currentDragNode = gem;
	currentDragNodeX = offsetX;
	currentDragNodeY = offsetY;
	board.addChild(gem);
};
game.move = function (x, y) {
	if (currentDragNode) {
		currentDragNode.x = x - board.x - currentDragNodeX;
		currentDragNode.y = y - board.y - currentDragNodeY;
		var offsetX = currentDragNode.targetX - currentDragNode.x;
		var offsetY = currentDragNode.targetY - currentDragNode.y;
		console.log(Math.round(offsetX), Math.round(offsetY));
	}
};
game.up = function () {
	currentDragNode = undefined;
};

===================================================================
--- original.js
+++ change.js
@@ -21,8 +21,20 @@
 				self.addChild(gem);
 			}
 		}
 	};
+	// Method to swap two gems
+	self.swapGems = function (gem1, gem2) {
+		var temp = self.grid[gem1.row][gem1.col];
+		self.grid[gem1.row][gem1.col] = self.grid[gem2.row][gem2.col];
+		self.grid[gem2.row][gem2.col] = temp;
+		var tempX = gem1.targetX;
+		var tempY = gem1.targetY;
+		gem1.targetX = gem2.targetX;
+		gem1.targetY = gem2.targetY;
+		gem2.targetX = tempX;
+		gem2.targetY = tempY;
+	};
 });
 //<Assets used in the game will automatically appear here>
 // Class for a single gem
 var Gem = Container.expand(function () {
@@ -71,14 +83,17 @@
 game.selectGem = function (gem, offsetX, offsetY) {
 	currentDragNode = gem;
 	currentDragNodeX = offsetX;
 	currentDragNodeY = offsetY;
-	game.addChild(currentDragNode);
+	board.addChild(gem);
 };
 game.move = function (x, y) {
 	if (currentDragNode) {
 		currentDragNode.x = x - board.x - currentDragNodeX;
 		currentDragNode.y = y - board.y - currentDragNodeY;
+		var offsetX = currentDragNode.targetX - currentDragNode.x;
+		var offsetY = currentDragNode.targetY - currentDragNode.y;
+		console.log(Math.round(offsetX), Math.round(offsetY));
 	}
 };
 game.up = function () {
 	currentDragNode = undefined;