===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,180 @@
-/****
+/**** 
+* Classes
+****/ 
+// Candy block class
+var CandyBlock = Container.expand(function () {
+	var self = Container.call(this);
+	self.type = 0; // 0-5 for different candy types
+	self.row = 0;
+	self.col = 0;
+	self.selected = false;
+	// Attach a colored box as the candy (use different colors for types)
+	var colors = [0xff6666, 0x66ccff, 0x66ff66, 0xffcc66, 0xcc66ff, 0xffffff];
+	self.candyAsset = self.attachAsset('candy_' + self.type, {
+		width: 180,
+		height: 180,
+		color: colors[self.type],
+		shape: 'box',
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Set candy type and update color
+	self.setType = function (type) {
+		self.type = type;
+		self.candyAsset.color = colors[type];
+	};
+	// Select/deselect visual
+	self.setSelected = function (selected) {
+		self.selected = selected;
+		self.candyAsset.alpha = selected ? 0.7 : 1;
+	};
+	return self;
+});
+// Match-3 grid class
+var CandyGrid = Container.expand(function () {
+	var self = Container.call(this);
+	self.rows = 9;
+	self.cols = 7;
+	self.cellSize = 200;
+	self.grid = [];
+	self.selectedBlock = null;
+	self.animating = false;
+	// Initialize grid with random candies
+	self.initGrid = function () {
+		for (var r = 0; r < self.rows; r++) {
+			self.grid[r] = [];
+			for (var c = 0; c < self.cols; c++) {
+				var block = new CandyBlock();
+				block.setType(Math.floor(Math.random() * 6));
+				block.row = r;
+				block.col = c;
+				block.x = c * self.cellSize + self.cellSize / 2;
+				block.y = r * self.cellSize + self.cellSize / 2;
+				self.addChild(block);
+				self.grid[r][c] = block;
+			}
+		}
+	};
+	// Swap two blocks
+	self.swapBlocks = function (blockA, blockB) {
+		var tempType = blockA.type;
+		blockA.setType(blockB.type);
+		blockB.setType(tempType);
+	};
+	// Check for matches and return array of matched blocks
+	self.findMatches = function () {
+		var matches = [];
+		// Horizontal
+		for (var r = 0; r < self.rows; r++) {
+			var count = 1;
+			for (var c = 1; c < self.cols; c++) {
+				if (self.grid[r][c].type === self.grid[r][c - 1].type) {
+					count++;
+				} else {
+					if (count >= 3) {
+						for (var k = 0; k < count; k++) {
+							matches.push(self.grid[r][c - 1 - k]);
+						}
+					}
+					count = 1;
+				}
+			}
+			if (count >= 3) {
+				for (var k = 0; k < count; k++) {
+					matches.push(self.grid[r][self.cols - 1 - k]);
+				}
+			}
+		}
+		// Vertical
+		for (var c = 0; c < self.cols; c++) {
+			var count = 1;
+			for (var r = 1; r < self.rows; r++) {
+				if (self.grid[r][c].type === self.grid[r - 1][c].type) {
+					count++;
+				} else {
+					if (count >= 3) {
+						for (var k = 0; k < count; k++) {
+							matches.push(self.grid[r - 1 - k][c]);
+						}
+					}
+					count = 1;
+				}
+			}
+			if (count >= 3) {
+				for (var k = 0; k < count; k++) {
+					matches.push(self.grid[self.rows - 1 - k][c]);
+				}
+			}
+		}
+		// Remove duplicates
+		var unique = [];
+		for (var i = 0; i < matches.length; i++) {
+			if (unique.indexOf(matches[i]) === -1) unique.push(matches[i]);
+		}
+		return unique;
+	};
+	// Remove matched blocks and drop above blocks
+	self.resolveMatches = function (matches) {
+		for (var i = 0; i < matches.length; i++) {
+			var block = matches[i];
+			// Drop above blocks
+			for (var r = block.row; r > 0; r--) {
+				self.grid[r][block.col].setType(self.grid[r - 1][block.col].type);
+			}
+			// New random at top
+			self.grid[0][block.col].setType(Math.floor(Math.random() * 6));
+		}
+	};
+	// Handle block selection and swapping
+	self.handleDown = function (x, y) {
+		if (self.animating) return;
+		var col = Math.floor(x / self.cellSize);
+		var row = Math.floor(y / self.cellSize);
+		if (row < 0 || row >= self.rows || col < 0 || col >= self.cols) return;
+		var block = self.grid[row][col];
+		if (!self.selectedBlock) {
+			self.selectedBlock = block;
+			block.setSelected(true);
+		} else if (block !== self.selectedBlock && Math.abs(block.row - self.selectedBlock.row) + Math.abs(block.col - self.selectedBlock.col) === 1) {
+			// Swap
+			self.swapBlocks(self.selectedBlock, block);
+			self.selectedBlock.setSelected(false);
+			self.selectedBlock = null;
+			// Check for matches
+			var matches = self.findMatches();
+			if (matches.length > 0) {
+				self.resolveMatches(matches);
+			}
+		} else {
+			self.selectedBlock.setSelected(false);
+			self.selectedBlock = block;
+			block.setSelected(true);
+		}
+	};
+	self.initGrid();
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
+// Center the grid
 var game = new LK.Game({
 	backgroundColor: 0x000000
-});
\ No newline at end of file
+});
+
+/**** 
+* Game Code
+****/ 
+// Center the grid
+var grid = new CandyGrid();
+grid.x = (2048 - grid.cols * grid.cellSize) / 2;
+grid.y = (2732 - grid.rows * grid.cellSize) / 2;
+game.addChild(grid);
+// Handle touch/click input
+game.down = function (x, y, obj) {
+	// Convert to grid-local coordinates
+	var localX = x - grid.x;
+	var localY = y - grid.y;
+	grid.handleDown(localX, localY);
+};
\ No newline at end of file