/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Candy = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type;
	self.gridX = 0;
	self.gridY = 0;
	self.isAnimating = false;
	var candyGraphics = self.attachAsset('candy_' + type, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.setGridPosition = function (gridX, gridY) {
		self.gridX = gridX;
		self.gridY = gridY;
		var targetX = gridStartX + gridX * cellSize + cellSize / 2;
		var targetY = gridStartY + gridY * cellSize + cellSize / 2;
		self.x = targetX;
		self.y = targetY;
	};
	self.animateToPosition = function (targetX, targetY, duration, onComplete) {
		self.isAnimating = true;
		tween(self, {
			x: targetX,
			y: targetY
		}, {
			duration: duration || 300,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.isAnimating = false;
				if (onComplete) onComplete();
			}
		});
	};
	self.animateToGridPosition = function (gridX, gridY, duration, onComplete) {
		self.gridX = gridX;
		self.gridY = gridY;
		var targetX = gridStartX + gridX * cellSize + cellSize / 2;
		var targetY = gridStartY + gridY * cellSize + cellSize / 2;
		self.animateToPosition(targetX, targetY, duration, onComplete);
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2E8B57
});

/**** 
* Game Code
****/ 
var GRID_SIZE = 10;
var candyTypes = ['red', 'blue', 'green', 'yellow', 'purple', 'orange'];
var cellSize = 90;
var gridStartX = (2048 - GRID_SIZE * cellSize) / 2;
var gridStartY = (2732 - GRID_SIZE * cellSize) / 2;
var grid = [];
var selectedCandy = null;
var isProcessing = false;
var movesLeft = 30;
var targetScore = 1000;
var animatingCandies = 0;
// Initialize grid array
for (var i = 0; i < GRID_SIZE; i++) {
	grid[i] = [];
	for (var j = 0; j < GRID_SIZE; j++) {
		grid[i][j] = null;
	}
}
// UI Elements
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
scoreText.x = 0;
scoreText.y = 100;
LK.gui.top.addChild(scoreText);
var movesText = new Text2('Moves: ' + movesLeft, {
	size: 60,
	fill: 0xFFFFFF
});
movesText.anchor.set(0.5, 0);
movesText.x = 0;
movesText.y = 200;
LK.gui.top.addChild(movesText);
var targetText = new Text2('Target: ' + targetScore, {
	size: 50,
	fill: 0xFFFF00
});
targetText.anchor.set(0.5, 0);
targetText.x = 0;
targetText.y = 300;
LK.gui.top.addChild(targetText);
// Create grid background
var gridBg = game.attachAsset('grid_bg', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
// Create cell backgrounds
for (var i = 0; i < GRID_SIZE; i++) {
	for (var j = 0; j < GRID_SIZE; j++) {
		var cellBg = game.attachAsset('cell_bg', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: gridStartX + i * cellSize + cellSize / 2,
			y: gridStartY + j * cellSize + cellSize / 2
		});
	}
}
function getRandomCandyType() {
	return candyTypes[Math.floor(Math.random() * candyTypes.length)];
}
function createCandy(type, gridX, gridY) {
	var candy = new Candy(type);
	candy.setGridPosition(gridX, gridY);
	game.addChild(candy);
	return candy;
}
function fillGrid() {
	for (var x = 0; x < GRID_SIZE; x++) {
		for (var y = 0; y < GRID_SIZE; y++) {
			if (!grid[x][y]) {
				var type = getRandomCandyType();
				grid[x][y] = createCandy(type, x, y);
			}
		}
	}
}
function isValidPosition(x, y) {
	return x >= 0 && x < GRID_SIZE && y >= 0 && y < GRID_SIZE;
}
function areAdjacent(x1, y1, x2, y2) {
	var dx = Math.abs(x1 - x2);
	var dy = Math.abs(y1 - y2);
	return dx === 1 && dy === 0 || dx === 0 && dy === 1;
}
function swapCandies(x1, y1, x2, y2) {
	var candy1 = grid[x1][y1];
	var candy2 = grid[x2][y2];
	grid[x1][y1] = candy2;
	grid[x2][y2] = candy1;
	animatingCandies += 2;
	candy1.animateToGridPosition(x2, y2, 200, function () {
		animatingCandies--;
	});
	candy2.animateToGridPosition(x1, y1, 200, function () {
		animatingCandies--;
	});
}
function findMatches() {
	var matches = [];
	var visited = [];
	for (var i = 0; i < GRID_SIZE; i++) {
		visited[i] = [];
		for (var j = 0; j < GRID_SIZE; j++) {
			visited[i][j] = false;
		}
	}
	// Check horizontal matches
	for (var y = 0; y < GRID_SIZE; y++) {
		for (var x = 0; x < GRID_SIZE - 2; x++) {
			if (grid[x][y] && grid[x + 1][y] && grid[x + 2][y] && grid[x][y].type === grid[x + 1][y].type && grid[x][y].type === grid[x + 2][y].type) {
				var match = [];
				var type = grid[x][y].type;
				var startX = x;
				while (x < GRID_SIZE && grid[x][y] && grid[x][y].type === type) {
					if (!visited[x][y]) {
						match.push({
							x: x,
							y: y
						});
						visited[x][y] = true;
					}
					x++;
				}
				x--;
				if (match.length >= 3) {
					matches.push(match);
				}
			}
		}
	}
	// Check vertical matches
	for (var x = 0; x < GRID_SIZE; x++) {
		for (var y = 0; y < GRID_SIZE - 2; y++) {
			if (grid[x][y] && grid[x][y + 1] && grid[x][y + 2] && grid[x][y].type === grid[x][y + 1].type && grid[x][y].type === grid[x][y + 2].type) {
				var match = [];
				var type = grid[x][y].type;
				var startY = y;
				while (y < GRID_SIZE && grid[x][y] && grid[x][y].type === type) {
					if (!visited[x][y]) {
						match.push({
							x: x,
							y: y
						});
						visited[x][y] = true;
					}
					y++;
				}
				y--;
				if (match.length >= 3) {
					matches.push(match);
				}
			}
		}
	}
	return matches;
}
function clearMatches(matches) {
	var totalCleared = 0;
	for (var i = 0; i < matches.length; i++) {
		var match = matches[i];
		for (var j = 0; j < match.length; j++) {
			var pos = match[j];
			if (grid[pos.x][pos.y]) {
				grid[pos.x][pos.y].destroy();
				grid[pos.x][pos.y] = null;
				totalCleared++;
			}
		}
	}
	if (totalCleared > 0) {
		LK.getSound('match').play();
		LK.setScore(LK.getScore() + totalCleared * 10);
		scoreText.setText('Score: ' + LK.getScore());
	}
	return totalCleared;
}
function applyGravity() {
	var moved = false;
	for (var x = 0; x < GRID_SIZE; x++) {
		for (var y = GRID_SIZE - 1; y >= 0; y--) {
			if (!grid[x][y]) {
				// Find candy above to fall down
				for (var above = y - 1; above >= 0; above--) {
					if (grid[x][above]) {
						grid[x][y] = grid[x][above];
						grid[x][above] = null;
						animatingCandies++;
						grid[x][y].animateToGridPosition(x, y, 300, function () {
							animatingCandies--;
						});
						moved = true;
						break;
					}
				}
			}
		}
	}
	return moved;
}
function fillEmptySpaces() {
	for (var x = 0; x < GRID_SIZE; x++) {
		for (var y = 0; y < GRID_SIZE; y++) {
			if (!grid[x][y]) {
				var type = getRandomCandyType();
				grid[x][y] = createCandy(type, x, y - GRID_SIZE);
				animatingCandies++;
				grid[x][y].animateToGridPosition(x, y, 400, function () {
					animatingCandies--;
				});
			}
		}
	}
}
function processMatches() {
	if (isProcessing || animatingCandies > 0) return;
	var matches = findMatches();
	if (matches.length > 0) {
		isProcessing = true;
		clearMatches(matches);
		LK.setTimeout(function () {
			applyGravity();
			LK.setTimeout(function () {
				fillEmptySpaces();
				LK.setTimeout(function () {
					isProcessing = false;
				}, 500);
			}, 400);
		}, 200);
	}
}
function getCandyAtPosition(x, y) {
	var localX = x - gridStartX;
	var localY = y - gridStartY;
	if (localX < 0 || localY < 0 || localX >= GRID_SIZE * cellSize || localY >= GRID_SIZE * cellSize) {
		return null;
	}
	var gridX = Math.floor(localX / cellSize);
	var gridY = Math.floor(localY / cellSize);
	return grid[gridX][gridY];
}
function getGridPosition(x, y) {
	var localX = x - gridStartX;
	var localY = y - gridStartY;
	if (localX < 0 || localY < 0 || localX >= GRID_SIZE * cellSize || localY >= GRID_SIZE * cellSize) {
		return null;
	}
	var gridX = Math.floor(localX / cellSize);
	var gridY = Math.floor(localY / cellSize);
	return {
		x: gridX,
		y: gridY
	};
}
function checkWinCondition() {
	if (LK.getScore() >= targetScore) {
		LK.showYouWin();
	} else if (movesLeft <= 0) {
		LK.showGameOver();
	}
}
game.down = function (x, y, obj) {
	if (isProcessing || animatingCandies > 0) return;
	var candy = getCandyAtPosition(x, y);
	if (candy) {
		if (selectedCandy) {
			selectedCandy.alpha = 1.0;
		}
		selectedCandy = candy;
		selectedCandy.alpha = 0.7;
		LK.getSound('swap').play();
	}
};
game.up = function (x, y, obj) {
	if (isProcessing || animatingCandies > 0) return;
	var candy = getCandyAtPosition(x, y);
	if (selectedCandy && candy && selectedCandy !== candy) {
		var pos1 = {
			x: selectedCandy.gridX,
			y: selectedCandy.gridY
		};
		var pos2 = {
			x: candy.gridX,
			y: candy.gridY
		};
		if (areAdjacent(pos1.x, pos1.y, pos2.x, pos2.y)) {
			// Test swap
			var temp = grid[pos1.x][pos1.y];
			grid[pos1.x][pos1.y] = grid[pos2.x][pos2.y];
			grid[pos2.x][pos2.y] = temp;
			var matches = findMatches();
			// Revert test swap
			grid[pos2.x][pos2.y] = grid[pos1.x][pos1.y];
			grid[pos1.x][pos1.y] = temp;
			if (matches.length > 0) {
				swapCandies(pos1.x, pos1.y, pos2.x, pos2.y);
				movesLeft--;
				movesText.setText('Moves: ' + movesLeft);
				LK.setTimeout(function () {
					processMatches();
				}, 250);
			}
		}
		selectedCandy.alpha = 1.0;
		selectedCandy = null;
	} else if (selectedCandy) {
		selectedCandy.alpha = 1.0;
		selectedCandy = null;
	}
};
game.update = function () {
	if (animatingCandies === 0 && !isProcessing) {
		processMatches();
		checkWinCondition();
	}
};
// Initialize the game
fillGrid();

===================================================================
--- original.js
+++ change.js
@@ -57,9 +57,9 @@
 
 /**** 
 * Game Code
 ****/ 
-var GRID_SIZE = 8;
+var GRID_SIZE = 10;
 var candyTypes = ['red', 'blue', 'green', 'yellow', 'purple', 'orange'];
 var cellSize = 90;
 var gridStartX = (2048 - GRID_SIZE * cellSize) / 2;
 var gridStartY = (2732 - GRID_SIZE * cellSize) / 2;