/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	coins: 0,
	unlockedSkins: ["candyRed"],
	selectedSkin: "candyRed"
});

/**** 
* Classes
****/ 
// Candy class
var Candy = Container.expand(function () {
	var self = Container.call(this);
	// Use selected skin or random unlocked skin
	var skin = storage.selectedSkin || 'candyRed';
	var candyAsset = self.attachAsset(skin, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = candyAsset.width;
	self.height = candyAsset.height;
	// Falling speed
	self.speed = 10 + Math.random() * 6;
	// For swipe detection
	self.collected = false;
	// For tracking last Y for off-screen detection
	self.lastY = self.y;
	// For tracking if already counted as missed
	self.missed = false;
	// For future: skin id
	self.skin = skin;
	// For future: coin drop
	self.hasCoin = Math.random() < 0.15; // 15% chance to drop a coin
	// Add coin visual if hasCoin
	if (self.hasCoin) {
		var coinAsset = self.attachAsset('coin', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.5,
			scaleY: 0.5,
			y: 30
		});
		coinAsset.alpha = 0.8;
	}
	// Animate in
	candyAsset.scaleX = 0.2;
	candyAsset.scaleY = 0.2;
	tween(candyAsset, {
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 300,
		easing: tween.elasticOut
	});
	// Update method
	self.update = function () {
		if (self.collected) return;
		self.y += self.speed;
	};
	return self;
});
// Coin collect animation
var CoinFly = Container.expand(function () {
	var self = Container.call(this);
	var coin = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = coin.width;
	self.height = coin.height;
	self.update = function () {};
	return self;
});
// Collector class (player's swipe area)
var Collector = Container.expand(function () {
	var self = Container.call(this);
	var collectorAsset = self.attachAsset('collector', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	collectorAsset.alpha = 0.18;
	self.width = collectorAsset.width;
	self.height = collectorAsset.height;
	self.update = function () {};
	return self;
});
// Shop item class
var ShopItem = Container.expand(function () {
	var self = Container.call(this);
	var box = self.attachAsset('shopItem', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.icon = null;
	self.price = 0;
	self.skinId = '';
	self.owned = false;
	self.setSkin = function (skinId, price, owned) {
		self.skinId = skinId;
		self.price = price;
		self.owned = owned;
		if (self.icon) self.removeChild(self.icon);
		self.icon = self.attachAsset(skinId, {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 1.1,
			scaleY: 1.1
		});
		self.icon.y = -20;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x222244
});

/**** 
* Game Code
****/ 
// Music
// Sounds
// Shop item placeholder
// Collector (player's swipe area)
// Coin
// Candies (different colors/shapes for future shop unlocks)
// Tabs: 0=Game, 1=Shop, 2=Leaderboard
var currentTab = 0;
// GUI tab buttons
var tabBtnGame, tabBtnShop, tabBtnLeaderboard;
// GUI overlays
var coinTxt,
	scoreTxt,
	shopCoinTxt,
	shopTitleTxt,
	shopItems = [],
	shopGroup,
	leaderboardGroup;
// Game state
var candies = [];
var collector;
var isDragging = false;
var dragOffsetX = 0,
	dragOffsetY = 0;
var score = 0;
var coins = storage.coins || 0;
var level = 1;
var candiesToCollect = 10;
var candiesCollected = 0;
var gameActive = true;
var candySpawnTimer = 0;
var candySpawnInterval = 36; // frames
// --- Health ---
var health = 3;
var healthTxt = new Text2('❤❤❤', {
	size: 90,
	fill: '#ff3b3b'
});
healthTxt.anchor.set(0, 0);
healthTxt.x = 120;
healthTxt.y = 0;
LK.gui.top.addChild(healthTxt);
// Shop data
var shopSkins = [{
	id: 'candyRed',
	price: 0
}, {
	id: 'candyGreen',
	price: 20
}, {
	id: 'candyBlue',
	price: 40
}, {
	id: 'candyYellow',
	price: 60
}, {
	id: 'candyPurple',
	price: 100
}];
// --- GUI Setup ---
// Coin display (top right)
coinTxt = new Text2(coins + '', {
	size: 90,
	fill: '#ffe23b'
});
coinTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(coinTxt);
// Score display (top center)
scoreTxt = new Text2('0', {
	size: 110,
	fill: '#fff'
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Tab buttons (bottom)
tabBtnGame = new Text2('Game', {
	size: 80,
	fill: '#fff'
});
tabBtnGame.anchor.set(0.5, 1);
tabBtnGame.x = 2048 / 6;
tabBtnGame.y = 0;
tabBtnGame.interactive = true;
tabBtnGame.buttonMode = true;
LK.gui.bottom.addChild(tabBtnGame);
tabBtnShop = new Text2('Shop', {
	size: 80,
	fill: '#fff'
});
tabBtnShop.anchor.set(0.5, 1);
tabBtnShop.x = 2048 / 2;
tabBtnShop.y = 0;
tabBtnShop.interactive = true;
tabBtnShop.buttonMode = true;
LK.gui.bottom.addChild(tabBtnShop);
tabBtnLeaderboard = new Text2('Leaderboard', {
	size: 80,
	fill: '#fff'
});
tabBtnLeaderboard.anchor.set(0.5, 1);
tabBtnLeaderboard.x = 2048 * 5 / 6;
tabBtnLeaderboard.y = 0;
tabBtnLeaderboard.interactive = true;
tabBtnLeaderboard.buttonMode = true;
LK.gui.bottom.addChild(tabBtnLeaderboard);
// Shop overlay group
shopGroup = new Container();
shopGroup.visible = false;
game.addChild(shopGroup);
// Shop title
shopTitleTxt = new Text2('Shop', {
	size: 120,
	fill: '#fff'
});
shopTitleTxt.anchor.set(0.5, 0);
shopTitleTxt.x = 2048 / 2;
shopTitleTxt.y = 180;
shopGroup.addChild(shopTitleTxt);
// Shop coin display
shopCoinTxt = new Text2('Coins: ' + coins, {
	size: 90,
	fill: '#ffe23b'
});
shopCoinTxt.anchor.set(1, 0);
shopCoinTxt.x = 2048 - 80;
shopCoinTxt.y = 180;
shopGroup.addChild(shopCoinTxt);
// Shop items
shopItems = [];
for (var i = 0; i < shopSkins.length; i++) {
	var item = new ShopItem();
	var skin = shopSkins[i];
	var owned = storage.unlockedSkins.indexOf(skin.id) !== -1;
	item.setSkin(skin.id, skin.price, owned);
	item.x = 2048 / 2 + (i - 2) * 320;
	item.y = 600;
	// Price/owned label
	var label = new Text2(owned ? 'Owned' : skin.price + ' coins', {
		size: 60,
		fill: owned ? '#3bff6e' : '#fff'
	});
	label.anchor.set(0.5, 0);
	label.y = 120;
	item.addChild(label);
	item.label = label;
	// Selection highlight
	var selectTxt = new Text2('Selected', {
		size: 50,
		fill: '#ffe23b'
	});
	selectTxt.anchor.set(0.5, 0);
	selectTxt.y = 170;
	selectTxt.visible = storage.selectedSkin === skin.id;
	item.addChild(selectTxt);
	item.selectTxt = selectTxt;
	// Touch handler
	(function (item, skin, label, selectTxt) {
		item.down = function (x, y, obj) {
			if (item.owned) {
				storage.selectedSkin = skin.id;
				for (var j = 0; j < shopItems.length; j++) {
					shopItems[j].selectTxt.visible = shopItems[j].skinId === skin.id;
				}
			} else if (coins >= skin.price) {
				coins -= skin.price;
				storage.coins = coins;
				storage.unlockedSkins.push(skin.id);
				item.owned = true;
				item.label.setText('Owned');
				item.label.fill = '#3bff6e';
				item.selectTxt.visible = true;
				storage.selectedSkin = skin.id;
				for (var j = 0; j < shopItems.length; j++) {
					if (shopItems[j] !== item) shopItems[j].selectTxt.visible = false;
				}
				shopCoinTxt.setText('Coins: ' + coins);
				coinTxt.setText(coins);
				LK.getSound('shopBuy').play();
			}
		};
	})(item, skin, label, selectTxt);
	shopGroup.addChild(item);
	shopItems.push(item);
}
// Leaderboard overlay group (placeholder)
leaderboardGroup = new Container();
leaderboardGroup.visible = false;
game.addChild(leaderboardGroup);
var leaderboardTitle = new Text2('Leaderboard', {
	size: 120,
	fill: '#fff'
});
leaderboardTitle.anchor.set(0.5, 0);
leaderboardTitle.x = 2048 / 2;
leaderboardTitle.y = 180;
leaderboardGroup.addChild(leaderboardTitle);
var leaderboardInfo = new Text2('Check your high score in the system leaderboard!', {
	size: 70,
	fill: '#fff'
});
leaderboardInfo.anchor.set(0.5, 0);
leaderboardInfo.x = 2048 / 2;
leaderboardInfo.y = 350;
leaderboardGroup.addChild(leaderboardInfo);
// --- Main Game Setup ---
function resetGame() {
	// Remove candies
	for (var i = candies.length - 1; i >= 0; i--) {
		candies[i].destroy();
		candies.splice(i, 1);
	}
	score = 0;
	candiesCollected = 0;
	candiesToCollect = 10 + (level - 1) * 2;
	candySpawnTimer = 0;
	scoreTxt.setText('0');
	gameActive = true;
	// Reset health
	health = 3;
	healthTxt.setText('❤❤❤');
	// Collector position
	collector.x = 2048 / 2;
	collector.y = 2732 - 220;
}
// Collector (player's swipe area)
collector = new Collector();
collector.x = 2048 / 2;
collector.y = 2732 - 220;
game.addChild(collector);
// --- Tab Switching ---
function setTab(tabIdx) {
	currentTab = tabIdx;
	// Game tab
	if (tabIdx === 0) {
		game.visible = true;
		shopGroup.visible = false;
		leaderboardGroup.visible = false;
		coinTxt.visible = true;
		scoreTxt.visible = true;
		collector.visible = true;
	}
	// Shop tab
	if (tabIdx === 1) {
		game.visible = true;
		shopGroup.visible = true;
		leaderboardGroup.visible = false;
		coinTxt.visible = false;
		scoreTxt.visible = false;
		collector.visible = false;
		shopCoinTxt.setText('Coins: ' + coins);
		for (var i = 0; i < shopItems.length; i++) {
			var owned = storage.unlockedSkins.indexOf(shopItems[i].skinId) !== -1;
			shopItems[i].owned = owned;
			shopItems[i].label.setText(owned ? 'Owned' : shopSkins[i].price + ' coins');
			shopItems[i].label.fill = owned ? '#3bff6e' : '#fff';
			shopItems[i].selectTxt.visible = storage.selectedSkin === shopItems[i].skinId;
		}
	}
	// Leaderboard tab
	if (tabIdx === 2) {
		game.visible = true;
		shopGroup.visible = false;
		leaderboardGroup.visible = true;
		coinTxt.visible = false;
		scoreTxt.visible = false;
		collector.visible = false;
	}
}
// Tab button handlers
tabBtnGame.down = function (x, y, obj) {
	setTab(0);
};
tabBtnShop.down = function (x, y, obj) {
	setTab(1);
};
tabBtnLeaderboard.down = function (x, y, obj) {
	setTab(2);
};
// --- Touch Controls ---
// Drag collector
game.down = function (x, y, obj) {
	if (currentTab !== 0 || !gameActive) return;
	// Only drag if touch is on collector
	var local = collector.toLocal({
		x: x,
		y: y
	});
	if (local.x > -collector.width / 2 && local.x < collector.width / 2 && local.y > -collector.height / 2 && local.y < collector.height / 2) {
		isDragging = true;
		dragOffsetX = collector.x - x;
		dragOffsetY = collector.y - y;
	}
};
game.up = function (x, y, obj) {
	if (currentTab !== 0 || !gameActive) return;
	isDragging = false;
};
game.move = function (x, y, obj) {
	if (currentTab !== 0 || !gameActive) return;
	if (isDragging) {
		collector.x = Math.max(collector.width / 2, Math.min(2048 - collector.width / 2, x + dragOffsetX));
		collector.y = Math.max(collector.height / 2 + 200, Math.min(2732 - collector.height / 2, y + dragOffsetY));
	}
	// Swipe detection: check for candies under finger
	for (var i = candies.length - 1; i >= 0; i--) {
		var candy = candies[i];
		if (!candy.collected && candy.visible) {
			var dx = candy.x - x;
			var dy = candy.y - y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < candy.width / 2 + 40) {
				collectCandy(candy);
			}
		}
	}
};
// --- Candy Collection ---
function collectCandy(candy) {
	if (candy.collected) return;
	candy.collected = true;
	candiesCollected++;
	score++;
	scoreTxt.setText(score);
	// Animate
	tween(candy, {
		scaleX: 1.4,
		scaleY: 1.4,
		alpha: 0
	}, {
		duration: 220,
		easing: tween.cubicIn,
		onFinish: function onFinish() {
			candy.destroy();
		}
	});
	LK.getSound('collect').play();
	// Coin drop
	if (candy.hasCoin) {
		coins++;
		storage.coins = coins;
		coinTxt.setText(coins);
		shopCoinTxt.setText('Coins: ' + coins);
		// Coin fly animation
		var coinFly = new CoinFly();
		coinFly.x = candy.x;
		coinFly.y = candy.y;
		game.addChild(coinFly);
		tween(coinFly, {
			x: 2048 - 120,
			y: 120,
			scaleX: 0.5,
			scaleY: 0.5,
			alpha: 0
		}, {
			duration: 600,
			easing: tween.cubicIn,
			onFinish: function onFinish() {
				coinFly.destroy();
			}
		});
		LK.getSound('coin').play();
	}
	// Remove from candies array
	for (var i = 0; i < candies.length; i++) {
		if (candies[i] === candy) {
			candies.splice(i, 1);
			break;
		}
	}
	// Win condition
	if (candiesCollected >= candiesToCollect) {
		// Save high score
		if (!storage.highScore || score > storage.highScore) {
			storage.highScore = score;
		}
		// Loop: advance to next level and reset game state
		level++;
		resetGame();
		setTab(0);
		return;
	}
}
// --- Game Update Loop ---
game.update = function () {
	if (currentTab !== 0 || !gameActive) return;
	// Spawn candies
	candySpawnTimer++;
	if (candies.length < candiesToCollect && candySpawnTimer >= candySpawnInterval) {
		candySpawnTimer = 0;
		var candy = new Candy();
		// Use selected skin
		candy.skin = storage.selectedSkin || 'candyRed';
		// Random X, avoid edges
		candy.x = 120 + Math.random() * (2048 - 240);
		candy.y = -80;
		// Randomize speed a bit
		candy.speed = 10 + Math.random() * 6 + level * 0.5;
		candies.push(candy);
		game.addChild(candy);
	}
	// Update candies
	for (var i = candies.length - 1; i >= 0; i--) {
		var candy = candies[i];
		candy.update();
		// Collector collision
		if (!candy.collected && collector.visible) {
			var dx = candy.x - collector.x;
			var dy = candy.y - collector.y;
			if (Math.abs(dx) < candy.width / 2 + collector.width / 2 - 30 && Math.abs(dy) < candy.height / 2 + collector.height / 2 - 30) {
				collectCandy(candy);
			}
		}
		// Off-screen (missed)
		if (!candy.collected && candy.y > 2732 + 80 && !candy.missed) {
			candy.missed = true;
			// Animate out
			tween(candy, {
				alpha: 0
			}, {
				duration: 200,
				onFinish: function onFinish() {
					candy.destroy();
				}
			});
			// Remove from candies array
			candies.splice(i, 1);
			// Decrease health and update display
			health--;
			var hearts = '';
			for (var h = 0; h < health; h++) hearts += '❤';
			healthTxt.setText(hearts);
			LK.effects.flashScreen(0xff0000, 600);
			if (health <= 0) {
				LK.showGameOver();
				gameActive = false;
			}
		}
	}
};
// --- Music ---
LK.playMusic('bgmusic');
// --- Game Over/Win Handlers ---
LK.on('gameover', function () {
	// Reset game state
	resetGame();
	setTab(0);
});
LK.on('youwin', function () {
	// Next level
	level++;
	resetGame();
	setTab(0);
});
// --- Initial State ---
resetGame();
setTab(0);

===================================================================
--- original.js
+++ change.js
@@ -155,8 +155,18 @@
 var candiesCollected = 0;
 var gameActive = true;
 var candySpawnTimer = 0;
 var candySpawnInterval = 36; // frames
+// --- Health ---
+var health = 3;
+var healthTxt = new Text2('❤❤❤', {
+	size: 90,
+	fill: '#ff3b3b'
+});
+healthTxt.anchor.set(0, 0);
+healthTxt.x = 120;
+healthTxt.y = 0;
+LK.gui.top.addChild(healthTxt);
 // Shop data
 var shopSkins = [{
 	id: 'candyRed',
 	price: 0
@@ -330,8 +340,11 @@
 	candiesToCollect = 10 + (level - 1) * 2;
 	candySpawnTimer = 0;
 	scoreTxt.setText('0');
 	gameActive = true;
+	// Reset health
+	health = 3;
+	healthTxt.setText('❤❤❤');
 	// Collector position
 	collector.x = 2048 / 2;
 	collector.y = 2732 - 220;
 }
@@ -536,12 +549,18 @@
 				}
 			});
 			// Remove from candies array
 			candies.splice(i, 1);
-			// Game over if missed
+			// Decrease health and update display
+			health--;
+			var hearts = '';
+			for (var h = 0; h < health; h++) hearts += '❤';
+			healthTxt.setText(hearts);
 			LK.effects.flashScreen(0xff0000, 600);
-			LK.showGameOver();
-			gameActive = false;
+			if (health <= 0) {
+				LK.showGameOver();
+				gameActive = false;
+			}
 		}
 	}
 };
 // --- Music ---