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

/**** 
* Classes
****/ 
var Candy = Container.expand(function (type, row, col) {
	var self = Container.call(this);
	self.type = type;
	self.row = row;
	self.col = col;
	self.isSpecial = false;
	self.specialType = null;
	self.matchCount = 0;
	var assetMap = {
		'blue': 'blueCandy',
		'red': 'redCandy',
		'green': 'greenCandy',
		'orange': 'orangeCandy',
		'purple': 'purpleCandy'
	};
	var specialAssetMap = {
		'blueBomb': 'blueBomb',
		'redRocket': 'redRocket',
		'greenPentagon': 'greenPentagon',
		'orangeLollipop': 'orangeLollipop',
		'purpleBerry': 'purpleBerry',
		'discoBall': 'discoBall'
	};
	self.graphics = self.attachAsset(assetMap[type], {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	self.makeSpecial = function (specialType) {
		self.isSpecial = true;
		self.specialType = specialType;
		self.removeChild(self.graphics);
		self.graphics = self.attachAsset(specialAssetMap[specialType], {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.8,
			scaleY: 0.8
		});
	};
	self.explode = function () {
		tween(self, {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 0
		}, {
			duration: 300,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				if (self.parent) {
					self.parent.removeChild(self);
				}
			}
		});
	};
	return self;
});
var ShootingStar = Container.expand(function () {
	var self = Container.call(this);
	var star = LK.getAsset('gridLine', {
		width: 8,
		height: 8,
		color: 0xFFFFFF,
		shape: 'ellipse',
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.addChild(star);
	// Set random starting position at top of screen
	self.x = Math.random() * 2048;
	self.y = -50;
	// Set falling speed
	self.speed = Math.random() * 5 + 3;
	// Add trail effect
	self.alpha = 0.9;
	self.update = function () {
		self.y += self.speed;
		// Remove when off screen
		if (self.y > 2732 + 50) {
			if (self.parent) {
				self.parent.removeChild(self);
			}
		}
	};
	return self;
});
var StarField = Container.expand(function () {
	var self = Container.call(this);
	var stars = [];
	var numStars = 30; // Reduced from 100 to 30
	var twinkleTimer = 0;
	self.twinkle = function (star) {
		var targetAlpha = Math.random() * 0.8 + 0.2;
		var duration = Math.random() * 3000 + 2000; // Longer duration
		tween(star, {
			alpha: targetAlpha
		}, {
			duration: duration,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				// Add delay before next twinkle to reduce frequency
				LK.setTimeout(function () {
					self.twinkle(star);
				}, Math.random() * 1000 + 500);
			}
		});
	};
	// Create individual stars
	for (var i = 0; i < numStars; i++) {
		var star = LK.getAsset('gridLine', {
			width: Math.random() * 6 + 2,
			height: Math.random() * 6 + 2,
			color: 0xFFFFFF,
			shape: 'ellipse',
			anchorX: 0.5,
			anchorY: 0.5,
			x: Math.random() * 2048,
			y: Math.random() * 2732,
			alpha: Math.random() * 0.8 + 0.2
		});
		self.addChild(star);
		stars.push(star);
		// Start twinkling animation for each star with staggered timing
		LK.setTimeout(function () {
			self.twinkle(star);
		}, i * 100); // Stagger start times
	}
	// Track shooting stars
	var shootingStars = [];
	// Create shooting star occasionally
	self.createShootingStar = function () {
		var shootingStar = new ShootingStar();
		self.addChild(shootingStar);
		shootingStars.push(shootingStar);
	};
	self.update = function () {
		// Clean up shooting stars that are off screen - check less frequently
		if (LK.ticks % 30 === 0) {
			// Only check every 30 frames (0.5 seconds)
			for (var i = shootingStars.length - 1; i >= 0; i--) {
				if (shootingStars[i].y > 2732 + 50) {
					shootingStars.splice(i, 1);
				}
			}
		}
		// Randomly create shooting stars - reduced frequency
		if (Math.random() < 0.001 && shootingStars.length < 3) {
			// 0.1% chance per frame, max 3 shooting stars
			self.createShootingStar();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2E1065
});

/**** 
* Game Code
****/ 
var GRID_SIZE = 8;
var CELL_SIZE = 200;
var GRID_START_X = 224;
var GRID_START_Y = 566;
var COLORS = ['blue', 'red', 'green', 'orange', 'purple'];
var grid = [];
var selectedCandy = null;
var score = 0;
var level = 1;
var gold = storage.gold || 0;
var isProcessing = false;
var comboMultiplier = 1;
// Create animated starfield background
var starField = new StarField();
game.addChild(starField);
// Create grid background
var gridBg = game.attachAsset('gridBackground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1366
});
// Create grid lines
for (var i = 0; i <= GRID_SIZE; i++) {
	// Vertical lines
	var verticalLine = LK.getAsset('gridLine', {
		width: 4,
		height: GRID_SIZE * CELL_SIZE,
		color: 0x000000,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5,
		x: GRID_START_X + i * CELL_SIZE,
		y: GRID_START_Y + GRID_SIZE * CELL_SIZE / 2
	});
	game.addChild(verticalLine);
	// Horizontal lines
	var horizontalLine = LK.getAsset('gridLine', {
		width: GRID_SIZE * CELL_SIZE,
		height: 4,
		color: 0x000000,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5,
		x: GRID_START_X + GRID_SIZE * CELL_SIZE / 2,
		y: GRID_START_Y + i * CELL_SIZE
	});
	game.addChild(horizontalLine);
}
// Create UI elements
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: '#FFFFFF'
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
scoreText.y = 100;
var levelText = new Text2('Level: 1', {
	size: 60,
	fill: '#FFFFFF'
});
levelText.anchor.set(0, 0);
LK.gui.topLeft.addChild(levelText);
levelText.x = 120;
levelText.y = 100;
var goldText = new Text2('Gold: 0', {
	size: 60,
	fill: '#FFD700'
});
goldText.anchor.set(1, 0);
LK.gui.topRight.addChild(goldText);
goldText.x = -20;
goldText.y = 100;
// Create combo display text
var comboText = new Text2('', {
	size: 100,
	fill: '#FFFF00'
});
comboText.anchor.set(0.5, 0.5);
LK.gui.center.addChild(comboText);
comboText.alpha = 0; // Start invisible
// Create level progress bar
var progressBarBg = LK.getAsset('progressBarBg', {
	anchorX: 0.5,
	anchorY: 0.5
});
LK.gui.top.addChild(progressBarBg);
progressBarBg.y = 200;
var progressBarFill = LK.getAsset('progressBarFill', {
	anchorX: 0,
	anchorY: 0.5
});
progressBarBg.addChild(progressBarFill);
progressBarFill.x = -300; // Start from left edge of background
progressBarFill.scaleX = 0; // Start empty
// Initialize grid
function initializeGrid() {
	grid = [];
	for (var row = 0; row < GRID_SIZE; row++) {
		grid[row] = [];
		for (var col = 0; col < GRID_SIZE; col++) {
			var color;
			// Random colors for all positions
			color = COLORS[Math.floor(Math.random() * COLORS.length)];
			var candy = new Candy(color, row, col);
			candy.x = GRID_START_X + col * CELL_SIZE + CELL_SIZE / 2;
			candy.y = GRID_START_Y + row * CELL_SIZE + CELL_SIZE / 2;
			grid[row][col] = candy;
			game.addChild(candy);
		}
	}
}
function removeInitialMatches() {
	var hasMatches = true;
	while (hasMatches) {
		hasMatches = false;
		for (var row = 0; row < GRID_SIZE; row++) {
			for (var col = 0; col < GRID_SIZE; col++) {
				if (checkMatch(row, col).length >= 3) {
					hasMatches = true;
					var randomColor = COLORS[Math.floor(Math.random() * COLORS.length)];
					grid[row][col].type = randomColor;
					grid[row][col].removeChild(grid[row][col].graphics);
					var assetMap = {
						'blue': 'blueCandy',
						'red': 'redCandy',
						'green': 'greenCandy',
						'orange': 'orangeCandy',
						'purple': 'purpleCandy'
					};
					grid[row][col].graphics = grid[row][col].attachAsset(assetMap[randomColor], {
						anchorX: 0.5,
						anchorY: 0.5,
						scaleX: 0.8,
						scaleY: 0.8
					});
				}
			}
		}
	}
}
function getCandyAt(x, y) {
	var col = Math.floor((x - GRID_START_X) / CELL_SIZE);
	var row = Math.floor((y - GRID_START_Y) / CELL_SIZE);
	if (row >= 0 && row < GRID_SIZE && col >= 0 && col < GRID_SIZE) {
		return grid[row][col];
	}
	return null;
}
function swapCandies(candy1, candy2) {
	if (!candy1 || !candy2 || candy1 === candy2) return false;
	var row1 = candy1.row,
		col1 = candy1.col;
	var row2 = candy2.row,
		col2 = candy2.col;
	// Check if adjacent
	var dx = Math.abs(col1 - col2);
	var dy = Math.abs(row1 - row2);
	if (dx + dy !== 1) return false;
	// Swap in grid
	grid[row1][col1] = candy2;
	grid[row2][col2] = candy1;
	// Update candy properties
	candy1.row = row2;
	candy1.col = col2;
	candy2.row = row1;
	candy2.col = col1;
	// Animate swap
	tween(candy1, {
		x: GRID_START_X + col2 * CELL_SIZE + CELL_SIZE / 2,
		y: GRID_START_Y + row2 * CELL_SIZE + CELL_SIZE / 2
	}, {
		duration: 200
	});
	tween(candy2, {
		x: GRID_START_X + col1 * CELL_SIZE + CELL_SIZE / 2,
		y: GRID_START_Y + row1 * CELL_SIZE + CELL_SIZE / 2
	}, {
		duration: 200
	});
	return true;
}
function checkMatch(row, col) {
	if (!grid[row] || !grid[row][col]) return [];
	var candy = grid[row][col];
	var matches = [candy];
	var type = candy.type;
	// Check horizontal
	for (var c = col - 1; c >= 0 && grid[row][c] && grid[row][c].type === type; c--) {
		matches.unshift(grid[row][c]);
	}
	for (var c = col + 1; c < GRID_SIZE && grid[row][c] && grid[row][c].type === type; c++) {
		matches.push(grid[row][c]);
	}
	if (matches.length >= 3) return matches;
	// Check vertical
	matches = [candy];
	for (var r = row - 1; r >= 0 && grid[r][col] && grid[r][col].type === type; r--) {
		matches.unshift(grid[r][col]);
	}
	for (var r = row + 1; r < GRID_SIZE && grid[r][col] && grid[r][col].type === type; r++) {
		matches.push(grid[r][col]);
	}
	return matches.length >= 3 ? matches : [];
}
function findAllMatches() {
	var allMatches = [];
	var processed = [];
	for (var row = 0; row < GRID_SIZE; row++) {
		processed[row] = [];
		for (var col = 0; col < GRID_SIZE; col++) {
			processed[row][col] = false;
		}
	}
	for (var row = 0; row < GRID_SIZE; row++) {
		for (var col = 0; col < GRID_SIZE; col++) {
			if (!processed[row][col]) {
				var matches = checkMatch(row, col);
				if (matches.length >= 3) {
					allMatches.push(matches);
					for (var i = 0; i < matches.length; i++) {
						processed[matches[i].row][matches[i].col] = true;
					}
				}
			}
		}
	}
	return allMatches;
}
function processMatches() {
	var allMatches = findAllMatches();
	if (allMatches.length === 0) {
		comboMultiplier = 1;
		showComboDisplay(); // Hide combo display when combo ends
		isProcessing = false;
		return;
	}
	// Process matches and create special candies
	var totalScore = 0;
	var totalGold = 0;
	for (var m = 0; m < allMatches.length; m++) {
		var matches = allMatches[m];
		var matchScore = matches.length * 10 * comboMultiplier;
		var matchGold = matches.length * 5;
		if (comboMultiplier > 1) {
			matchGold += 50; // Combo bonus
		}
		totalScore += matchScore;
		totalGold += matchGold;
		// Check for special candy creation
		if (matches.length >= 6) {
			// Create disco ball with visual effect
			var centerCandy = matches[Math.floor(matches.length / 2)];
			centerCandy.makeSpecial('discoBall');
			// Add creation sparkle effect
			tween(centerCandy.graphics, {
				scaleX: 1.0,
				scaleY: 1.0,
				rotation: Math.PI
			}, {
				duration: 300,
				easing: tween.bounceOut
			});
			// Add continuous rotation to disco ball with optimized performance
			var _rotateDiscoBall = function rotateDiscoBall() {
				if (centerCandy.isSpecial && centerCandy.specialType === 'discoBall' && centerCandy.parent) {
					tween(centerCandy.graphics, {
						rotation: centerCandy.graphics.rotation + Math.PI * 2
					}, {
						duration: 4000,
						// Slower rotation for better performance
						easing: tween.linear,
						onFinish: function onFinish() {
							// Add delay before next rotation to reduce CPU load
							LK.setTimeout(_rotateDiscoBall, 100);
						}
					});
				}
			};
			_rotateDiscoBall();
			matches.splice(Math.floor(matches.length / 2), 1);
		} else if (matches.length === 5) {
			// Create special based on color with unique effects
			var centerCandy = matches[2];
			var color = centerCandy.type;
			var specialType;
			if (color === 'blue') {
				specialType = 'blueBomb';
			} else if (color === 'red') {
				specialType = 'redRocket';
			} else if (color === 'green') {
				specialType = 'greenPentagon';
			} else if (color === 'orange') {
				specialType = 'orangeLollipop';
			} else if (color === 'purple') {
				specialType = 'purpleBerry';
			}
			centerCandy.makeSpecial(specialType);
			matches.splice(2, 1);
		}
		// Explode remaining matches with staggered timing to reduce simultaneous animations
		for (var i = 0; i < matches.length; i++) {
			var candy = matches[i];
			grid[candy.row][candy.col] = null;
			// Stagger explosions to reduce simultaneous tween load
			(function (candyToExplode, delay) {
				LK.setTimeout(function () {
					candyToExplode.explode();
				}, delay);
			})(candy, i * 50);
		}
	}
	score += totalScore;
	gold += totalGold;
	comboMultiplier += 5;
	showComboDisplay(); // Show updated combo display
	// Update level
	var newLevel = Math.floor(score / 200) + 1;
	if (newLevel > level) {
		level = newLevel;
		// Level up animation - flash progress bar
		tween(progressBarFill, {
			tint: 0xFFFF00
		}, {
			duration: 200,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(progressBarFill, {
					tint: 0x00FF00
				}, {
					duration: 200,
					easing: tween.easeInOut
				});
			}
		});
		if (level % 5 === 0) {
			gold += 4000;
		}
	}
	updateUI();
	LK.getSound('match').play();
	// Drop candies and continue processing
	LK.setTimeout(function () {
		dropCandies();
		LK.setTimeout(function () {
			processMatches();
		}, 300);
	}, 400);
}
function dropCandies() {
	// Check if entire grid is empty (all candies destroyed)
	var totalCandies = 0;
	for (var checkRow = 0; checkRow < GRID_SIZE; checkRow++) {
		for (var checkCol = 0; checkCol < GRID_SIZE; checkCol++) {
			if (grid[checkRow][checkCol] !== null) {
				totalCandies++;
			}
		}
	}
	// If grid is completely empty, refill entire grid
	if (totalCandies === 0) {
		// Add big bonus for clearing entire grid
		score += 10000;
		gold += 5000;
		updateUI();
		LK.effects.flashScreen(0xFFD700, 1000); // Gold flash for grid clear bonus
		// Create new candies for entire grid
		for (var row = 0; row < GRID_SIZE; row++) {
			for (var col = 0; col < GRID_SIZE; col++) {
				var randomColor = COLORS[Math.floor(Math.random() * COLORS.length)];
				var candy = new Candy(randomColor, row, col);
				candy.x = GRID_START_X + col * CELL_SIZE + CELL_SIZE / 2;
				// Start all candies well above the visible grid area
				candy.y = GRID_START_Y - (GRID_SIZE + 2 - row) * CELL_SIZE;
				grid[row][col] = candy;
				game.addChild(candy);
				// Animate falling with staggered timing for natural cascade effect
				var fallDelay = col * 100 + row * 50;
				var fallDuration = 600 + row * 100;
				tween(candy, {
					y: GRID_START_Y + row * CELL_SIZE + CELL_SIZE / 2
				}, {
					duration: fallDuration,
					easing: tween.bounceOut
				});
			}
		}
		return; // Exit early since we refilled the entire grid
	}
	// Normal drop candy logic for partial empty spaces
	for (var col = 0; col < GRID_SIZE; col++) {
		var writeRow = GRID_SIZE - 1;
		// Move existing candies down
		for (var row = GRID_SIZE - 1; row >= 0; row--) {
			if (grid[row][col] !== null) {
				if (row !== writeRow) {
					grid[writeRow][col] = grid[row][col];
					grid[row][col] = null;
					grid[writeRow][col].row = writeRow;
					grid[writeRow][col].col = col;
					tween(grid[writeRow][col], {
						y: GRID_START_Y + writeRow * CELL_SIZE + CELL_SIZE / 2
					}, {
						duration: 200,
						easing: tween.easeOut
					});
				}
				writeRow--;
			}
		}
		// Create new candies for empty spaces - they fall from above
		var emptySpaces = writeRow + 1; // Number of empty spaces from top
		for (var row = writeRow; row >= 0; row--) {
			var randomColor = COLORS[Math.floor(Math.random() * COLORS.length)];
			var candy = new Candy(randomColor, row, col);
			candy.x = GRID_START_X + col * CELL_SIZE + CELL_SIZE / 2;
			// Start candies above the visible grid area
			var startRow = row - emptySpaces;
			candy.y = GRID_START_Y + startRow * CELL_SIZE + CELL_SIZE / 2;
			grid[row][col] = candy;
			game.addChild(candy);
			// Animate falling with bounce effect
			tween(candy, {
				y: GRID_START_Y + row * CELL_SIZE + CELL_SIZE / 2
			}, {
				duration: 300 + (emptySpaces - (writeRow - row)) * 50,
				easing: tween.bounceOut
			});
		}
	}
}
function explodeCandyWithScore(candy) {
	if (!candy || !candy.parent) return;
	// Add score and gold for each exploding candy
	var candyScore = 15 * comboMultiplier;
	var candyGold = 8;
	if (comboMultiplier > 1) {
		candyGold += 10; // Combo bonus
	}
	score += candyScore;
	gold += candyGold;
	// Explode the candy
	candy.explode();
}
function showComboDisplay() {
	if (comboMultiplier > 1) {
		// Update combo text
		comboText.setText('COMBO x' + comboMultiplier);
		// Show combo text with scale animation
		comboText.alpha = 1;
		comboText.scaleX = 0.5;
		comboText.scaleY = 0.5;
		tween(comboText, {
			scaleX: 1.2,
			scaleY: 1.2,
			alpha: 1
		}, {
			duration: 300,
			easing: tween.bounceOut
		});
	} else {
		// Hide combo text when combo ends
		tween(comboText, {
			alpha: 0,
			scaleX: 0.8,
			scaleY: 0.8
		}, {
			duration: 200,
			easing: tween.easeOut
		});
	}
}
function updateUI() {
	scoreText.setText('Score: ' + score);
	levelText.setText('Level: ' + level);
	goldText.setText('Gold: ' + gold);
	// Save gold to storage
	storage.gold = gold;
	// Update progress bar
	var currentLevelScore = (level - 1) * 200;
	var nextLevelScore = level * 200;
	var progress = (score - currentLevelScore) / (nextLevelScore - currentLevelScore);
	progress = Math.max(0, Math.min(1, progress)); // Clamp between 0 and 1
	// Animate progress bar fill
	tween(progressBarFill, {
		scaleX: progress
	}, {
		duration: 300,
		easing: tween.easeOut
	});
}
function activateSpecialCandy(candy) {
	if (!candy.isSpecial) return;
	var row = candy.row;
	var col = candy.col;
	switch (candy.specialType) {
		case 'blueBomb':
			// Destroy 3x3 area
			for (var r = Math.max(0, row - 1); r <= Math.min(GRID_SIZE - 1, row + 1); r++) {
				for (var c = Math.max(0, col - 1); c <= Math.min(GRID_SIZE - 1, col + 1); c++) {
					if (grid[r][c] && grid[r][c] !== candy) {
						explodeCandyWithScore(grid[r][c]);
						grid[r][c] = null;
					}
				}
			}
			break;
		case 'redRocket':
			// Clear entire row and column
			for (var c = 0; c < GRID_SIZE; c++) {
				if (grid[row][c] && grid[row][c] !== candy) {
					explodeCandyWithScore(grid[row][c]);
					grid[row][c] = null;
				}
			}
			for (var r = 0; r < GRID_SIZE; r++) {
				if (grid[r][col] && grid[r][col] !== candy) {
					explodeCandyWithScore(grid[r][col]);
					grid[r][col] = null;
				}
			}
			break;
		case 'greenPentagon':
			// Destroy candies in a plus pattern (5 directions)
			var directions = [[-2, 0], [-1, 0], [0, 0], [1, 0], [2, 0],
			// Horizontal line
			[0, -2], [0, -1], [0, 1], [0, 2] // Vertical line (excluding center)
			];
			for (var d = 0; d < directions.length; d++) {
				var newRow = row + directions[d][0];
				var newCol = col + directions[d][1];
				if (newRow >= 0 && newRow < GRID_SIZE && newCol >= 0 && newCol < GRID_SIZE) {
					if (grid[newRow][newCol] && grid[newRow][newCol] !== candy) {
						explodeCandyWithScore(grid[newRow][newCol]);
						grid[newRow][newCol] = null;
					}
				}
			}
			break;
		case 'orangeLollipop':
			// Destroy all candies of the same color as adjacent candies
			var adjacentColors = [];
			var adjacentPositions = [[-1, 0], [1, 0], [0, -1], [0, 1]];
			for (var a = 0; a < adjacentPositions.length; a++) {
				var adjRow = row + adjacentPositions[a][0];
				var adjCol = col + adjacentPositions[a][1];
				if (adjRow >= 0 && adjRow < GRID_SIZE && adjCol >= 0 && adjCol < GRID_SIZE) {
					if (grid[adjRow][adjCol] && adjacentColors.indexOf(grid[adjRow][adjCol].type) === -1) {
						adjacentColors.push(grid[adjRow][adjCol].type);
					}
				}
			}
			// Destroy all candies of adjacent colors with staggered timing
			var destroyIndex = 0;
			for (var r = 0; r < GRID_SIZE; r++) {
				for (var c = 0; c < GRID_SIZE; c++) {
					if (grid[r][c] && grid[r][c] !== candy && adjacentColors.indexOf(grid[r][c].type) !== -1) {
						(function (targetCandy, delay) {
							LK.setTimeout(function () {
								if (targetCandy.parent) {
									tween(targetCandy.graphics, {
										tint: 0xFFA500
									}, {
										duration: 100,
										onFinish: function onFinish() {
											explodeCandyWithScore(targetCandy);
											grid[targetCandy.row][targetCandy.col] = null;
										}
									});
								}
							}, delay);
						})(grid[r][c], destroyIndex * 30);
						destroyIndex++;
					}
				}
			}
			break;
		case 'purpleBerry':
			// Create a wave effect that spreads outward in rings
			var maxDistance = 3;
			for (var distance = 1; distance <= maxDistance; distance++) {
				(function (dist) {
					LK.setTimeout(function () {
						for (var r = Math.max(0, row - dist); r <= Math.min(GRID_SIZE - 1, row + dist); r++) {
							for (var c = Math.max(0, col - dist); c <= Math.min(GRID_SIZE - 1, col + dist); c++) {
								// Only destroy candies on the ring edge
								var actualDist = Math.max(Math.abs(r - row), Math.abs(c - col));
								if (actualDist === dist && grid[r][c] && grid[r][c] !== candy) {
									tween(grid[r][c].graphics, {
										tint: 0x9013fe,
										scaleX: 1.2,
										scaleY: 1.2
									}, {
										duration: 150,
										onFinish: function onFinish() {
											if (grid[r] && grid[r][c]) {
												explodeCandyWithScore(grid[r][c]);
												grid[r][c] = null;
											}
										}
									});
								}
							}
						}
					}, (dist - 1) * 200);
				})(distance);
			}
			break;
		case 'discoBall':
			// Check if we're combining with another disco ball
			var adjacentDiscoBalls = [];
			var adjacentPositions = [[-1, 0], [1, 0], [0, -1], [0, 1]];
			for (var a = 0; a < adjacentPositions.length; a++) {
				var adjRow = row + adjacentPositions[a][0];
				var adjCol = col + adjacentPositions[a][1];
				if (adjRow >= 0 && adjRow < GRID_SIZE && adjCol >= 0 && adjCol < GRID_SIZE) {
					if (grid[adjRow][adjCol] && grid[adjRow][adjCol].isSpecial && grid[adjRow][adjCol].specialType === 'discoBall') {
						adjacentDiscoBalls.push(grid[adjRow][adjCol]);
					}
				}
			}
			if (adjacentDiscoBalls.length > 0) {
				// Disco ball + disco ball combo: destroy ALL candies on the grid
				// Create massive visual effect
				tween(candy.graphics, {
					scaleX: 2.0,
					scaleY: 2.0,
					rotation: Math.PI * 4
				}, {
					duration: 800,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						// Destroy all candies in waves from center outward
						var allCandies = [];
						for (var r = 0; r < GRID_SIZE; r++) {
							for (var c = 0; c < GRID_SIZE; c++) {
								if (grid[r][c] && grid[r][c] !== candy) {
									// Calculate distance from center for wave effect
									var distance = Math.abs(r - row) + Math.abs(c - col);
									allCandies.push({
										candy: grid[r][c],
										distance: distance
									});
								}
							}
						}
						// Sort by distance for wave effect
						allCandies.sort(function (a, b) {
							return a.distance - b.distance;
						});
						// Destroy all candies with wave timing
						for (var i = 0; i < allCandies.length; i++) {
							(function (candyData, index) {
								LK.setTimeout(function () {
									var targetCandy = candyData.candy;
									if (targetCandy.parent) {
										// Flash the candy bright white before exploding
										tween(targetCandy.graphics, {
											tint: 0xFFFFFF,
											scaleX: 1.5,
											scaleY: 1.5
										}, {
											duration: 150,
											onFinish: function onFinish() {
												explodeCandyWithScore(targetCandy);
												grid[targetCandy.row][targetCandy.col] = null;
											}
										});
									}
								}, candyData.distance * 80 + index * 20);
							})(allCandies[i], i);
						}
						// Add screen flash effect when all candies are destroyed
						LK.setTimeout(function () {
							LK.effects.flashScreen(0xFFFFFF, 500);
						}, allCandies.length * 100);
					}
				});
			} else {
				// Normal disco ball activation
				// Create sparkle effect on disco ball before activation
				tween(candy.graphics, {
					scaleX: 1.2,
					scaleY: 1.2,
					rotation: Math.PI * 2
				}, {
					duration: 500,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						// Destroy 13 random candies
						var randomCandies = [];
						for (var r = 0; r < GRID_SIZE; r++) {
							for (var c = 0; c < GRID_SIZE; c++) {
								if (grid[r][c] && grid[r][c] !== candy) {
									randomCandies.push(grid[r][c]);
								}
							}
						}
						// Destroy candies with staggered timing for visual effect
						var destroyCount = Math.min(13, randomCandies.length);
						for (var i = 0; i < destroyCount; i++) {
							(function (index) {
								LK.setTimeout(function () {
									if (randomCandies.length > 0) {
										var randomIndex = Math.floor(Math.random() * randomCandies.length);
										var randomCandy = randomCandies[randomIndex];
										// Flash the candy white before exploding
										tween(randomCandy.graphics, {
											tint: 0xFFFFFF
										}, {
											duration: 100,
											onFinish: function onFinish() {
												explodeCandyWithScore(randomCandy);
												grid[randomCandy.row][randomCandy.col] = null;
											}
										});
										randomCandies.splice(randomIndex, 1);
									}
								}, index * 50);
							})(i);
						}
					}
				});
			}
			break;
	}
	candy.explode();
	grid[row][col] = null;
	updateUI(); // Update UI to show earned points
	LK.getSound('powerup').play();
	// Drop candies to fill empty spaces after special candy activation
	LK.setTimeout(function () {
		dropCandies();
		LK.setTimeout(function () {
			processMatches();
		}, 300);
	}, 400);
}
// Variables for swipe detection
var dragStartX = 0;
var dragStartY = 0;
var dragCandy = null;
var isDragging = false;
var SWIPE_THRESHOLD = 80; // Minimum distance for swipe
game.down = function (x, y, obj) {
	if (isProcessing) return;
	// Handle candy selection
	var candy = getCandyAt(x, y);
	if (!candy) {
		// Clear selection if clicking empty space
		if (selectedCandy) {
			selectedCandy.graphics.tint = 0xFFFFFF;
			tween(selectedCandy, {
				scaleX: 0.8,
				scaleY: 0.8
			}, {
				duration: 100
			});
			selectedCandy = null;
		}
		return;
	}
	// Click-to-select then click-to-swap mode
	if (selectedCandy === null) {
		// First click - select candy
		selectedCandy = candy;
		// Visual feedback for selected candy
		candy.graphics.tint = 0x00FF00; // Green tint for selection
		tween(candy, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 100
		});
	} else if (selectedCandy === candy) {
		// Clicking same candy - deselect
		selectedCandy.graphics.tint = 0xFFFFFF;
		tween(selectedCandy, {
			scaleX: 0.8,
			scaleY: 0.8
		}, {
			duration: 100
		});
		selectedCandy = null;
	} else {
		// Second click - try to swap with selected candy
		var tempSelectedCandy = selectedCandy;
		// Check if candies are adjacent
		var dx = Math.abs(tempSelectedCandy.col - candy.col);
		var dy = Math.abs(tempSelectedCandy.row - candy.row);
		if (dx + dy === 1) {
			// Adjacent candies - perform swap
			isProcessing = true;
			// Reset visual effects
			tempSelectedCandy.graphics.tint = 0xFFFFFF;
			tween(tempSelectedCandy, {
				scaleX: 0.8,
				scaleY: 0.8
			}, {
				duration: 100
			});
			selectedCandy = null;
			if (swapCandies(tempSelectedCandy, candy)) {
				LK.setTimeout(function () {
					// Check if swap creates matches
					var matches1 = checkMatch(tempSelectedCandy.row, tempSelectedCandy.col);
					var matches2 = checkMatch(candy.row, candy.col);
					if (matches1.length >= 3 || matches2.length >= 3 || tempSelectedCandy.isSpecial || candy.isSpecial) {
						// Valid move
						if (tempSelectedCandy.isSpecial) {
							activateSpecialCandy(tempSelectedCandy);
						}
						if (candy.isSpecial) {
							activateSpecialCandy(candy);
						}
						LK.setTimeout(function () {
							processMatches();
						}, 200);
					} else {
						// Invalid move, swap back with animation
						swapCandies(tempSelectedCandy, candy);
						isProcessing = false;
					}
				}, 250);
			}
		} else {
			// Not adjacent - switch selection to new candy
			tempSelectedCandy.graphics.tint = 0xFFFFFF;
			tween(tempSelectedCandy, {
				scaleX: 0.8,
				scaleY: 0.8
			}, {
				duration: 100
			});
			selectedCandy = candy;
			candy.graphics.tint = 0x00FF00;
			tween(candy, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 100
			});
		}
	}
	// Start drag tracking for drag mode (fallback)
	dragStartX = x;
	dragStartY = y;
	dragCandy = candy;
	isDragging = false;
};
game.move = function (x, y, obj) {
	if (isProcessing || !dragCandy) return;
	var deltaX = x - dragStartX;
	var deltaY = y - dragStartY;
	var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
	// Check if we've moved far enough to start dragging
	if (distance > SWIPE_THRESHOLD && !isDragging) {
		isDragging = true;
		// Add visual feedback - slightly scale up the dragged candy
		tween(dragCandy, {
			scaleX: 1.0,
			scaleY: 1.0
		}, {
			duration: 100
		});
		dragCandy.graphics.tint = 0xFFFF00; // Yellow tint during drag
	}
};
game.up = function (x, y, obj) {
	if (isProcessing || !dragCandy) return;
	var deltaX = x - dragStartX;
	var deltaY = y - dragStartY;
	var distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
	// Reset visual effects
	dragCandy.graphics.tint = 0xFFFFFF;
	tween(dragCandy, {
		scaleX: 0.8,
		scaleY: 0.8
	}, {
		duration: 100
	});
	if (distance > SWIPE_THRESHOLD) {
		// Determine swipe direction
		var targetCandy = null;
		var absX = Math.abs(deltaX);
		var absY = Math.abs(deltaY);
		if (absX > absY) {
			// Horizontal swipe
			if (deltaX > 0) {
				// Swipe right
				if (dragCandy.col < GRID_SIZE - 1) {
					targetCandy = grid[dragCandy.row][dragCandy.col + 1];
				}
			} else {
				// Swipe left
				if (dragCandy.col > 0) {
					targetCandy = grid[dragCandy.row][dragCandy.col - 1];
				}
			}
		} else {
			// Vertical swipe
			if (deltaY > 0) {
				// Swipe down
				if (dragCandy.row < GRID_SIZE - 1) {
					targetCandy = grid[dragCandy.row + 1][dragCandy.col];
				}
			} else {
				// Swipe up
				if (dragCandy.row > 0) {
					targetCandy = grid[dragCandy.row - 1][dragCandy.col];
				}
			}
		}
		// If we have a valid target, try to swap
		if (targetCandy) {
			var tempSelectedCandy = dragCandy;
			selectedCandy = null;
			isProcessing = true;
			if (swapCandies(tempSelectedCandy, targetCandy)) {
				LK.setTimeout(function () {
					// Check if swap creates matches
					var matches1 = checkMatch(tempSelectedCandy.row, tempSelectedCandy.col);
					var matches2 = checkMatch(targetCandy.row, targetCandy.col);
					if (matches1.length >= 3 || matches2.length >= 3 || tempSelectedCandy.isSpecial || targetCandy.isSpecial) {
						// Valid move
						if (tempSelectedCandy.isSpecial) {
							activateSpecialCandy(tempSelectedCandy);
						}
						if (targetCandy.isSpecial) {
							activateSpecialCandy(targetCandy);
						}
						LK.setTimeout(function () {
							processMatches();
						}, 200);
					} else {
						// Invalid move, swap back with animation
						swapCandies(tempSelectedCandy, targetCandy);
						isProcessing = false;
					}
				}, 250);
			}
		}
	}
	// Reset drag state
	dragCandy = null;
	dragStartX = 0;
	dragStartY = 0;
	isDragging = false;
	selectedCandy = null;
};
// Initialize the game
initializeGrid();
updateUI();
LK.playMusic('bgmusic');

===================================================================
--- original.js
+++ change.js
@@ -251,28 +251,8 @@
 });
 comboText.anchor.set(0.5, 0.5);
 LK.gui.center.addChild(comboText);
 comboText.alpha = 0; // Start invisible
-// Create disco ball purchase button
-var purchaseButton = LK.getAsset('discoBall', {
-	anchorX: 0.5,
-	anchorY: 0.5,
-	scaleX: 0.6,
-	scaleY: 0.6
-});
-LK.gui.topRight.addChild(purchaseButton);
-purchaseButton.x = -120;
-purchaseButton.y = 180;
-// Add purchase text
-var purchaseText = new Text2('50G', {
-	size: 40,
-	fill: '#FFD700'
-});
-purchaseText.anchor.set(0.5, 0.5);
-purchaseButton.addChild(purchaseText);
-purchaseText.y = 30;
-var purchaseMode = false;
-var purchaseModeText = null;
 // Create level progress bar
 var progressBarBg = LK.getAsset('progressBarBg', {
 	anchorX: 0.5,
 	anchorY: 0.5
@@ -680,16 +660,8 @@
 	}, {
 		duration: 300,
 		easing: tween.easeOut
 	});
-	// Update purchase button availability
-	if (gold >= 50) {
-		purchaseButton.alpha = 1.0;
-		purchaseText.setText('50G');
-	} else {
-		purchaseButton.alpha = 0.5;
-		purchaseText.setText('50G');
-	}
 }
 function activateSpecialCandy(candy) {
 	if (!candy.isSpecial) return;
 	var row = candy.row;
@@ -944,44 +916,8 @@
 var isDragging = false;
 var SWIPE_THRESHOLD = 80; // Minimum distance for swipe
 game.down = function (x, y, obj) {
 	if (isProcessing) return;
-	// Check if purchase button was clicked
-	var buttonGlobalPos = LK.gui.topRight.toGlobal({
-		x: purchaseButton.x,
-		y: purchaseButton.y
-	});
-	var buttonBounds = {
-		left: buttonGlobalPos.x - purchaseButton.width * purchaseButton.scaleX / 2,
-		right: buttonGlobalPos.x + purchaseButton.width * purchaseButton.scaleX / 2,
-		top: buttonGlobalPos.y - purchaseButton.height * purchaseButton.scaleY / 2,
-		bottom: buttonGlobalPos.y + purchaseButton.height * purchaseButton.scaleY / 2
-	};
-	if (x >= buttonBounds.left && x <= buttonBounds.right && y >= buttonBounds.top && y <= buttonBounds.bottom) {
-		if (gold >= 50 && !purchaseMode) {
-			purchaseMode = true;
-			// Visual feedback for purchase mode
-			tween(purchaseButton, {
-				scaleX: 0.7,
-				scaleY: 0.7,
-				tint: 0x00FF00
-			}, {
-				duration: 200
-			});
-			// Show instruction text
-			if (!purchaseModeText) {
-				purchaseModeText = new Text2('Select candy position', {
-					size: 50,
-					fill: '#00FF00'
-				});
-				purchaseModeText.anchor.set(0.5, 0);
-				LK.gui.top.addChild(purchaseModeText);
-				purchaseModeText.y = 300;
-			}
-			purchaseModeText.alpha = 1;
-		}
-		return;
-	}
 	// Handle candy selection
 	var candy = getCandyAt(x, y);
 	if (!candy) {
 		// Clear selection if clicking empty space
@@ -996,45 +932,8 @@
 			selectedCandy = null;
 		}
 		return;
 	}
-	// If in purchase mode, replace selected candy with disco ball
-	if (purchaseMode) {
-		if (candy) {
-			// Deduct gold and save to storage
-			gold -= 50;
-			storage.gold = gold;
-			updateUI();
-			// Remove existing candy
-			candy.explode();
-			// Create disco ball at same position
-			var discoBallCandy = new Candy(candy.type, candy.row, candy.col);
-			discoBallCandy.makeSpecial('discoBall');
-			discoBallCandy.x = candy.x;
-			discoBallCandy.y = candy.y;
-			grid[candy.row][candy.col] = discoBallCandy;
-			game.addChild(discoBallCandy);
-			// Exit purchase mode
-			purchaseMode = false;
-			tween(purchaseButton, {
-				scaleX: 0.6,
-				scaleY: 0.6,
-				tint: 0xFFFFFF
-			}, {
-				duration: 200
-			});
-			// Hide instruction text
-			if (purchaseModeText) {
-				tween(purchaseModeText, {
-					alpha: 0
-				}, {
-					duration: 300
-				});
-			}
-			LK.effects.flashScreen(0x00FF00, 500); // Green flash for purchase
-		}
-		return;
-	}
 	// Click-to-select then click-to-swap mode
 	if (selectedCandy === null) {
 		// First click - select candy
 		selectedCandy = candy;