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

/**** 
* Classes
****/ 
// Coin (altın) kutusu
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGfx = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = coinGfx.width * 0.5;
	self.update = function () {
		// Hafifçe döndür
		coinGfx.rotation += 0.12;
	};
	return self;
});
// Düşman karakteri (AI)
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGfx = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = enemyGfx.width * 0.5;
	self.type = 1;
	self.speed = 3 + Math.random() * 2;
	self.dir = Math.random() * Math.PI * 2;
	self.shootCooldown = 60 + Math.floor(Math.random() * 60);
	self.targetX = 0;
	self.targetY = 0;
	self.maxHealth = 3 + Math.floor(Math.random() * 2); // 3-4 can
	self.health = self.maxHealth;
	self.takeDamage = function (amount) {
		self.health -= amount;
		LK.effects.flashObject(self, 0xffff00, 200);
		if (self.health <= 0) {
			// Destroy health bar if exists
			if (self._healthBar) {
				self._healthBar.destroy();
				self._healthBar = null;
			}
			self.destroy();
			// Skor boost varsa 2 puan ver
			if (player._superScoreBoost && player._scoreBoost > 0) {
				score += 10;
			} else if (player._scoreBoost && player._scoreBoost > 0) {
				score += 2;
			} else {
				score++;
			}
			updateScoreAndLevel();
			if (score > 0 && score % 10 === 0) {
				increaseDifficulty();
			}
			// Remove from enemies array in main loop
			self._shouldRemove = true;
		}
	};
	self.update = function () {
		if (self._frozen && self._frozen > 0) {
			// Donmuşsa titret
			self.x += Math.sin(self._frozen) * 2;
			self.y += Math.cos(self._frozen) * 2;
			return;
		}
		// Basit AI: Oyuncuya doğru hareket et
		var dx = player.x - self.x;
		var dy = player.y - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 1) {
			self.x += dx / dist * self.speed;
			self.y += dy / dist * self.speed;
		}
		// Ateş etme
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		} else {
			self.shootCooldown = 90 + Math.floor(Math.random() * 60);
			spawnEnemyBullet(self.x, self.y, player.x, player.y);
		}
	};
	return self;
});
// Düşman karakteri 2 (dairesel hareket, elips)
var Enemy2 = Container.expand(function () {
	var self = Container.call(this);
	var enemyGfx = self.attachAsset('enemy2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = enemyGfx.width * 0.5;
	self.type = 2;
	self.angle = Math.random() * Math.PI * 2;
	// Enemy2: Orbit around a random point in the arena, not the player
	self.centerX = 200 + Math.random() * 1648;
	self.centerY = 200 + Math.random() * 2332;
	self.orbitRadius = 400 + Math.random() * 200;
	self.speed = 0.012 + Math.random() * 0.008;
	self.shootCooldown = 120 + Math.floor(Math.random() * 60);
	self.maxHealth = 4 + Math.floor(Math.random() * 2); // 4-5 can
	self.health = self.maxHealth;
	self.takeDamage = function (amount) {
		self.health -= amount;
		LK.effects.flashObject(self, 0xffff00, 200);
		if (self.health <= 0) {
			// Destroy health bar if exists
			if (self._healthBar) {
				self._healthBar.destroy();
				self._healthBar = null;
			}
			self.destroy();
			if (player._scoreBoost && player._scoreBoost > 0) {
				score += 2;
			} else {
				score++;
			}
			updateScoreAndLevel();
			if (score > 0 && score % 10 === 0) {
				increaseDifficulty();
			}
			self._shouldRemove = true;
		}
	};
	self.update = function () {
		if (self._frozen && self._frozen > 0) {
			self.x += Math.sin(self._frozen) * 2;
			self.y += Math.cos(self._frozen) * 2;
			return;
		}
		self.angle += self.speed;
		self.x = self.centerX + Math.cos(self.angle) * self.orbitRadius;
		self.y = self.centerY + Math.sin(self.angle) * self.orbitRadius;
		// Ateş etme
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		} else {
			self.shootCooldown = 120 + Math.floor(Math.random() * 60);
			spawnEnemyBullet(self.x, self.y, player.x, player.y);
		}
	};
	return self;
});
// Düşman karakteri 3 (rastgele zıplama, mor kutu)
var Enemy3 = Container.expand(function () {
	var self = Container.call(this);
	var enemyGfx = self.attachAsset('enemy3', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = enemyGfx.width * 0.5;
	self.type = 3;
	self.jumpTimer = 60 + Math.floor(Math.random() * 60);
	self.targetX = 200 + Math.random() * 1648;
	self.targetY = 200 + Math.random() * 2332;
	self.speed = 12 + Math.random() * 6;
	self.shootCooldown = 100 + Math.floor(Math.random() * 60);
	self.maxHealth = 2 + Math.floor(Math.random() * 2); // 2-3 can
	self.health = self.maxHealth;
	self.takeDamage = function (amount) {
		self.health -= amount;
		LK.effects.flashObject(self, 0xffff00, 200);
		if (self.health <= 0) {
			// Destroy health bar if exists
			if (self._healthBar) {
				self._healthBar.destroy();
				self._healthBar = null;
			}
			self.destroy();
			if (player._scoreBoost && player._scoreBoost > 0) {
				score += 2;
			} else {
				score++;
			}
			updateScoreAndLevel();
			if (score > 0 && score % 10 === 0) {
				increaseDifficulty();
			}
			self._shouldRemove = true;
		}
	};
	self.update = function () {
		if (self._frozen && self._frozen > 0) {
			self.x += Math.sin(self._frozen) * 2;
			self.y += Math.cos(self._frozen) * 2;
			return;
		}
		self.jumpTimer--;
		if (self.jumpTimer <= 0) {
			self.targetX = 200 + Math.random() * 1648;
			self.targetY = 200 + Math.random() * 2332;
			self.jumpTimer = 60 + Math.floor(Math.random() * 60);
		}
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 1) {
			self.x += dx / dist * self.speed;
			self.y += dy / dist * self.speed;
		}
		// Ateş etme
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		} else {
			self.shootCooldown = 100 + Math.floor(Math.random() * 60);
			spawnEnemyBullet(self.x, self.y, player.x, player.y);
		}
	};
	return self;
});
// Düşman mermisi
var EnemyBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGfx = self.attachAsset('enemyBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = bulletGfx.width * 0.5;
	self.vx = 0;
	self.vy = 0;
	self.update = function () {
		self.x += self.vx;
		self.y += self.vy;
	};
	return self;
});
// Oyuncu karakteri
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGfx = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = playerGfx.width * 0.5;
	self.shootCooldown = 0;
	// Oyuncuya can ekle
	self.maxHealth = typeof playerMaxHealth !== "undefined" ? playerMaxHealth : 5;
	self.health = typeof playerHealth !== "undefined" ? playerHealth : self.maxHealth;
	self.update = function () {
		if (self.shootCooldown > 0) self.shootCooldown--;
	};
	return self;
});
// Oyuncu mermisi
var PlayerBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGfx = self.attachAsset('playerBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = bulletGfx.width * 0.5;
	self.vx = 0;
	self.vy = 0;
	self.update = function () {
		self.x += self.vx;
		self.y += self.vy;
	};
	return self;
});
// Güçlendirici (PowerUp) kutusu
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerGfx = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = powerGfx.width * 0.5;
	self.type = "power";
	// Sadece basit ve çalışan powerup efektleri
	var effects = ["rapid",
	// Hızlı ateş (fire rate)
	"triple",
	// Üçlü atış
	"shield",
	// Kalkan
	"heal" // Can doldur
	];
	self.effect = effects[Math.floor(Math.random() * effects.length)];
	self.update = function () {
		// Hafifçe döndür
		powerGfx.rotation += 0.08;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0074D9
});

/**** 
* Game Code
****/ 
// Coin asset
// Global değişkenler
var player;
var enemies = [];
var playerBullets = [];
var enemyBullets = [];
var powerUps = [];
var coins = []; // Coin objects
var coinCount = 0; // Collected coin count
var coinTxt = new Text2('₵ ' + coinCount, {
	size: 70,
	fill: 0xFFD700,
	font: "Impact"
});
coinTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(coinTxt);
coinTxt.y = 340;
var powerActive = false;
var powerTimer = 0;
var dragNode = null;
var lastPlayerPos = {
	x: 0,
	y: 0
};
var score = 0;
var level = 1;
var gameTick = 0;
var spawnTimer = 0;
var isGameOver = false;
// Combo variables
var comboCount = 0;
var comboTimer = 0;
var maxComboTime = 120; // 2 seconds (120 frames)
var maxCombo = 0;
// Combo GUI
var comboTxt = new Text2('', {
	size: 80,
	fill: 0xFFFA00,
	font: "Impact"
});
comboTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(comboTxt);
comboTxt.y = 260;
// Health bar variables
var playerMaxHealth = 10;
var playerHealth = playerMaxHealth;
// Health bar GUI
var healthTxt = new Text2('Health: ' + playerHealth, {
	size: 70,
	fill: 0xFF4444
});
healthTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(healthTxt);
healthTxt.y = 180;
// --- OYUNU BAŞLAT ---
function startGame() {
	// Oyun değişkenlerini sıfırla
	isInMainMenu = false; // Oyun başlarken menüden çık
	score = 0;
	level = 1;
	playerHealth = playerMaxHealth;
	enemies = [];
	playerBullets = [];
	enemyBullets = [];
	powerUps = [];
	coins = [];
	powerActive = false;
	powerTimer = 0;
	comboCount = 0;
	comboTimer = 0;
	maxCombo = 0;
	isGameOver = false;
	gameTick = 0;
	spawnTimer = 0;
	dragNode = null;
	lastPlayerPos = {
		x: 0,
		y: 0
	};
	// GUI güncelle
	updateScoreAndLevel();
	if (typeof coinTxt !== "undefined") coinTxt.setText('₵ ' + (typeof storage.coins === "number" ? storage.coins : 0));
	if (typeof player !== "undefined") {
		if (typeof player.maxHealth !== "undefined") player.maxHealth = playerMaxHealth;
		if (typeof player.health !== "undefined") player.health = playerHealth;
	}
	// Oyuncu konumunu sıfırla
	if (typeof player !== "undefined") {
		player.x = 2048 / 2;
		player.y = 2732 / 2;
	}
}
// Start game immediately
startGame();
// PowerUp oluşturucu
function spawnPowerUp() {
	var p = new PowerUp();
	// Güvenli alan içinde rastgele konum
	p.x = 200 + Math.random() * 1648;
	p.y = 200 + Math.random() * 2332;
	powerUps.push(p);
	game.addChild(p);
}
// Coin oluşturucu
function spawnCoin(x, y) {
	var c = new Coin();
	// Eğer x, y verilmişse oraya koy, yoksa rastgele
	if (typeof x === "number" && typeof y === "number") {
		c.x = x;
		c.y = y;
	} else {
		c.x = 200 + Math.random() * 1648;
		c.y = 200 + Math.random() * 2332;
	}
	coins.push(c);
	game.addChild(c);
}
// Skor ve seviye göstergesi
var scoreTxt = new Text2('Score: 0', {
	size: 90,
	fill: "#fff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var levelTxt = new Text2('Level: 1', {
	size: 60,
	fill: "#fff"
});
levelTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(levelTxt);
levelTxt.y = 100;
// Eğlenceli: Arena event popup
var eventPopupTxt = new Text2('', {
	size: 70,
	fill: 0xFFFA00,
	font: "Impact"
});
eventPopupTxt.anchor.set(0.5, 0.5);
eventPopupTxt.visible = false;
LK.gui.center.addChild(eventPopupTxt);
// Arena event popup fonksiyonu
function showArenaEventPopup(msg) {
	eventPopupTxt.setText(msg);
	eventPopupTxt.visible = true;
	eventPopupTxt.alpha = 1;
	tween(eventPopupTxt, {
		alpha: 0
	}, {
		duration: 1200,
		onFinish: function onFinish() {
			eventPopupTxt.visible = false;
		}
	});
}
// Oyuncu oluştur
player = new Player();
game.addChild(player);
player.x = 2048 / 2;
player.y = 2732 / 2;
// Düşman oluşturucu
function spawnEnemy() {
	var t = Math.random();
	var e;
	if (t < 0.4) {
		e = new Enemy();
	} else if (t < 0.7) {
		e = new Enemy2();
	} else {
		e = new Enemy3();
	}
	// Düşmanları güçlendir: seviye arttıkça SADECE can artsın, hız ve atış hızı sabit kalsın
	if (typeof e.maxHealth !== "undefined") {
		e.maxHealth += Math.floor(level / 3);
		e.health = e.maxHealth;
	}
	// Hız ve atış hızı artık artmıyor
	// Rastgele kenardan başlat
	var edge = Math.floor(Math.random() * 4);
	if (edge === 0) {
		// üst
		e.x = 200 + Math.random() * 1648;
		e.y = -100;
	} else if (edge === 1) {
		// sağ
		e.x = 2148;
		e.y = 200 + Math.random() * 2332;
	} else if (edge === 2) {
		// alt
		e.x = 200 + Math.random() * 1648;
		e.y = 2832;
	} else {
		// sol
		e.x = -100;
		e.y = 200 + Math.random() * 2332;
	}
	enemies.push(e);
	game.addChild(e);
}
// Düşman mermisi oluşturucu
function spawnEnemyBullet(sx, sy, tx, ty) {
	var b = new EnemyBullet();
	b.x = sx;
	b.y = sy;
	var dx = tx - sx;
	var dy = ty - sy;
	var dist = Math.sqrt(dx * dx + dy * dy);
	var speed = 18 + level * 2;
	b.vx = dx / dist * speed;
	b.vy = dy / dist * speed;
	enemyBullets.push(b);
	game.addChild(b);
}
// Oyuncu mermisi oluşturucu
function spawnPlayerBullet(sx, sy, tx, ty) {
	var b = new PlayerBullet();
	b.x = sx;
	b.y = sy;
	var dx = tx - sx;
	var dy = ty - sy;
	var dist = Math.sqrt(dx * dx + dy * dy);
	var speed = 32;
	b.vx = dx / dist * speed;
	b.vy = dy / dist * speed;
	playerBullets.push(b);
	game.addChild(b);
	LK.getSound('shoot').play();
}
// Skor ve seviye güncelle
function updateScoreAndLevel() {
	if (typeof scoreTxt !== "undefined" && scoreTxt && typeof scoreTxt.setText === "function") {
		scoreTxt.setText('Score: ' + score);
	}
	if (typeof levelTxt !== "undefined" && levelTxt && typeof levelTxt.setText === "function") {
		levelTxt.setText('Level: ' + level);
	}
	if (typeof healthTxt !== "undefined" && healthTxt && typeof healthTxt.setText === "function") {
		healthTxt.setText('Health: ' + playerHealth);
	}
	updateComboText();
}
// Kombo GUI güncelle
function updateComboText() {
	if (comboCount > 1) {
		comboTxt.setText("COMBO x" + comboCount + "!");
		comboTxt.visible = true;
		comboTxt.alpha = 1;
	} else {
		comboTxt.visible = false;
	}
}
// Oyun zorluğunu artır
function increaseDifficulty() {
	level++;
	updateScoreAndLevel();
}
// Oyun bitti
// Simple persistent upgrade shop
var shopContainer = null;
var shopUpgradeButtons = [];
var shopUpgrades = [{
	key: "maxHealth",
	label: "Max Health +1",
	cost: 10,
	apply: function apply() {
		if (typeof storage.upg_maxHealth !== "number") storage.upg_maxHealth = 0;
		storage.upg_maxHealth++;
		playerMaxHealth++;
		playerHealth = playerMaxHealth;
	}
}, {
	key: "powerupTime",
	label: "PowerUp Time +2s",
	cost: 15,
	apply: function apply() {
		if (typeof storage.upg_powerupTime !== "number") storage.upg_powerupTime = 0;
		storage.upg_powerupTime++;
		maxComboTime += 60; // +1s
	}
}, {
	key: "coinBoost",
	label: "Coin Boost +1",
	cost: 20,
	apply: function apply() {
		if (typeof storage.upg_coinBoost !== "number") storage.upg_coinBoost = 0;
		storage.upg_coinBoost++;
	}
}];
function showShop() {
	if (shopContainer) {
		shopContainer.visible = true;
		return;
	}
	shopContainer = new Container();
	shopContainer.x = 2048 / 2;
	shopContainer.y = 2732 / 2;
	// Background
	var bg = LK.getAsset('centerCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 8,
		scaleY: 6,
		tint: 0x222244
	});
	shopContainer.addChild(bg);
	// Title
	var title = new Text2("UPGRADE SHOP", {
		size: 120,
		fill: "#fff",
		font: "Impact"
	});
	title.anchor.set(0.5, 0);
	title.y = -500;
	shopContainer.addChild(title);
	// Coin display
	var shopCoinTxt = new Text2('₵ ' + coinCount, {
		size: 90,
		fill: 0xFFD700,
		font: "Impact"
	});
	shopCoinTxt.anchor.set(0.5, 0);
	shopCoinTxt.y = -400;
	shopContainer.addChild(shopCoinTxt);
	// Upgrades
	shopUpgradeButtons = [];
	for (var i = 0; i < shopUpgrades.length; i++) {
		(function (upg, idx) {
			var btnY = -200 + idx * 220;
			var btnBg = LK.getAsset('centerCircle', {
				anchorX: 0.5,
				anchorY: 0.5,
				scaleX: 5,
				scaleY: 1.2,
				tint: 0x444488
			});
			btnBg.y = btnY;
			shopContainer.addChild(btnBg);
			var btnTxt = new Text2(upg.label + " (" + upg.cost + "₵)", {
				size: 70,
				fill: "#fff",
				font: "Impact"
			});
			btnTxt.anchor.set(0.5, 0.5);
			btnTxt.y = btnY;
			shopContainer.addChild(btnTxt);
			// Show current upgrade level if any
			var upgLevel = typeof storage["upg_" + upg.key] === "number" ? storage["upg_" + upg.key] : 0;
			var lvlTxt = new Text2("Lv." + upgLevel, {
				size: 50,
				fill: 0x00FFCC
			});
			lvlTxt.anchor.set(0.5, 0.5);
			lvlTxt.x = 500;
			lvlTxt.y = btnY;
			shopContainer.addChild(lvlTxt);
			// Button logic
			btnBg.interactive = true;
			btnBg.down = function (x, y, obj) {
				if (coinCount >= upg.cost) {
					coinCount -= upg.cost;
					storage.coins = coinCount;
					upg.apply();
					// Update coin and level text
					if (typeof coinTxt !== "undefined") coinTxt.setText('₵ ' + coinCount);
					shopCoinTxt.setText('₵ ' + coinCount);
					lvlTxt.setText("Lv." + (typeof storage["upg_" + upg.key] === "number" ? storage["upg_" + upg.key] : 0));
				}
			};
			shopUpgradeButtons.push(btnBg);
		})(shopUpgrades[i], i);
	}
	// Play again button
	var playBtnBg = LK.getAsset('centerCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 4,
		scaleY: 1.2,
		tint: 0x22bb44
	});
	playBtnBg.y = 400;
	shopContainer.addChild(playBtnBg);
	var playBtnTxt = new Text2("PLAY AGAIN", {
		size: 90,
		fill: "#fff",
		font: "Impact"
	});
	playBtnTxt.anchor.set(0.5, 0.5);
	playBtnTxt.y = 400;
	shopContainer.addChild(playBtnTxt);
	playBtnBg.interactive = true;
	playBtnBg.down = function (x, y, obj) {
		shopContainer.visible = false;
		startGame();
	};
	LK.gui.center.addChild(shopContainer);
}
function gameOver() {
	if (isGameOver) return;
	isGameOver = true;
	LK.effects.flashScreen(0xff0000, 1000);
	LK.getSound('hit').play();
	// Show shop after a short delay for effect
	LK.setTimeout(function () {
		showShop();
	}, 900);
}
// Oyun kazandı
function youWin() {
	LK.showYouWin();
}
// Sürükleme ve ateş etme
function handleMove(x, y, obj) {
	if (dragNode) {
		// Hareket farkını uygula
		var dx = x - lastPlayerPos.x;
		var dy = y - lastPlayerPos.y;
		dragNode.x += dx;
		dragNode.y += dy;
		// Kullanıcı dostu: Oyuncunun ekran dışına çıkmasını engelle
		var minX = dragNode.radius + 20;
		var maxX = 2048 - dragNode.radius - 20;
		var minY = dragNode.radius + 20;
		var maxY = 2732 - dragNode.radius - 20;
		if (dragNode.x < minX) dragNode.x = minX;
		if (dragNode.x > maxX) dragNode.x = maxX;
		if (dragNode.y < minY) dragNode.y = minY;
		if (dragNode.y > maxY) dragNode.y = maxY;
		lastPlayerPos.x = x;
		lastPlayerPos.y = y;
	}
}
// Oyun alanı dışı kontrolü
function isOutOfBounds(obj) {
	return obj.x < -200 || obj.x > 2248 || obj.y < -200 || obj.y > 2932;
}
// Oyun ana döngüsü
game.update = function () {
	if (isGameOver) return;
	gameTick++;
	// Eğlenceli: Rastgele arena olayları (ör: meteor yağmuru, bonus yağmuru, düşman dondurma)
	// Her 15 saniyede bir rastgele bir olay tetiklenebilir
	if (gameTick % 900 === 0 && gameTick > 0) {
		var eventType = Math.floor(Math.random() * 3);
		if (eventType === 0) {
			// Meteor yağmuru: 10 hızlı mermi yukarıdan aşağıya düşer
			for (var m = 0; m < 10; m++) {
				var b = new EnemyBullet();
				b.x = 200 + Math.random() * 1648;
				b.y = -80 - m * 60;
				b.vx = 0;
				b.vy = 32 + Math.random() * 8;
				enemyBullets.push(b);
				game.addChild(b);
			}
			// Kısa efekt
			LK.effects.flashScreen(0xffa500, 400);
			showArenaEventPopup("Meteor Shower!");
		} else if (eventType === 1) {
			// Bonus rain: 5 powerUps drop at once
			for (var p = 0; p < 5; p++) {
				var pu = new PowerUp();
				pu.x = 200 + Math.random() * 1648;
				pu.y = 200 + Math.random() * 2332;
				powerUps.push(pu);
				game.addChild(pu);
			}
			LK.effects.flashScreen(0x00ffcc, 400);
			showArenaEventPopup("Bonus Rain!");
		} else if (eventType === 2) {
			// Enemies freeze for 3 seconds
			for (var i = 0; i < enemies.length; i++) {
				enemies[i]._frozen = 180; // 3 seconds
			}
			LK.effects.flashScreen(0x66ccff, 400);
			showArenaEventPopup("Enemies Frozen!");
		}
	}
	// Düşmanları dondurma efekti uygula
	for (var i = 0; i < enemies.length; i++) {
		if (enemies[i]._frozen && enemies[i]._frozen > 0) {
			enemies[i]._frozen--;
			continue; // update çağrılmasın, düşman hareket etmesin
		}
	}
	// Oyuncu update
	player.update();
	// Oyuncu canını playerHealth ile senkronize et
	if (typeof player.health !== "undefined" && typeof playerHealth !== "undefined" && player.health !== playerHealth) {
		player.health = playerHealth;
	}
	if (typeof player.maxHealth !== "undefined" && typeof playerMaxHealth !== "undefined" && player.maxHealth !== playerMaxHealth) {
		player.maxHealth = playerMaxHealth;
	}
	// Otomatik ateş etme (her 10 frame'de bir, rapid fire varsa daha hızlı)
	var shootInterval = powerActive ? 4 : 10;
	if (!isGameOver && gameTick % shootInterval === 0 && enemies.length > 0) {
		// En yakın düşmanı bul
		var minDist = Infinity;
		var targetEnemy = null;
		for (var i = 0; i < enemies.length; i++) {
			var e = enemies[i];
			var dx = e.x - player.x;
			var dy = e.y - player.y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < minDist) {
				minDist = dist;
				targetEnemy = e;
			}
		}
		if (targetEnemy) {
			// Triple shot powerup varsa üçlü mermi ateşle
			if (player._tripleShot && player._tripleShot > 0) {
				for (var s = -1; s <= 1; s++) {
					var angle = Math.atan2(targetEnemy.y - player.y, targetEnemy.x - player.x) + s * 0.18;
					var tx = player.x + Math.cos(angle) * 1000;
					var ty = player.y + Math.sin(angle) * 1000;
					spawnPlayerBullet(player.x, player.y, tx, ty);
				}
			} else {
				spawnPlayerBullet(player.x, player.y, targetEnemy.x, targetEnemy.y);
			}
		}
	}
	// Düşman update
	for (var i = enemies.length - 1; i >= 0; i--) {
		var e = enemies[i];
		e.update();
		// Can barı çizimi (her düşmanın üstünde)
		if (!e._healthBar) {
			e._healthBar = new Text2('', {
				size: 38,
				fill: 0xFF4444
			});
			e._healthBar.anchor.set(0.5, 1);
			game.addChild(e._healthBar);
		}
		if (typeof e.health !== "undefined" && typeof e.maxHealth !== "undefined") {
			e._healthBar.setText("♥" + e.health + "/" + e.maxHealth);
			e._healthBar.x = e.x;
			e._healthBar.y = e.y - e.radius - 10;
			e._healthBar.visible = true;
		} else {
			e._healthBar.visible = false;
		}
		// Çarpışma: oyuncu & düşman
		if (player.intersects(e)) {
			if (player._shield && player._shield > 0) {
				// Kalkan varsa hasar alma, kalkanı azalt
				player._shield--;
				LK.effects.flashObject(player, 0x00ffff, 400);
				if (player._shield === 0) {
					showArenaEventPopup("Shield Broken!");
				} else {
					showArenaEventPopup("Shield: " + player._shield + " hits left!");
				}
			} else {
				playerHealth--;
				if (typeof player.health !== "undefined") player.health = playerHealth;
				updateScoreAndLevel();
				LK.effects.flashObject(player, 0xff4444, 400);
				if (playerHealth <= 0) {
					gameOver();
					return;
				}
			}
			// Düşmanı yok et, can azalınca
			if (typeof e.takeDamage === "function") {
				e.takeDamage(e.health); // Tüm canı gitmeli
				if (e._shouldRemove) {
					if (e._healthBar) {
						e._healthBar.destroy();
					}
					// COIN: Düşman öldüğünde coin spawn et
					spawnCoin(e.x, e.y);
					enemies.splice(i, 1);
					// KOMBO: Düşman öldürünce kombo artır
					comboCount++;
					comboTimer = maxComboTime;
					if (comboCount > maxCombo) maxCombo = comboCount;
					updateComboText();
					continue;
				}
			} else {
				e.destroy();
				if (e._healthBar) {
					e._healthBar.destroy();
				}
				// COIN: Düşman öldüğünde coin spawn et
				spawnCoin(e.x, e.y);
				enemies.splice(i, 1);
				// KOMBO: Düşman öldürünce kombo artır
				comboCount++;
				comboTimer = maxComboTime;
				if (comboCount > maxCombo) maxCombo = comboCount;
				updateComboText();
				continue;
			}
		}
		// Düşman oyun dışıysa sil
		if (isOutOfBounds(e)) {
			if (e._healthBar) {
				e._healthBar.destroy();
			}
			e.destroy();
			enemies.splice(i, 1);
		}
	}
	// Oyuncu mermisi update
	for (var i = playerBullets.length - 1; i >= 0; i--) {
		var b = playerBullets[i];
		b.update();
		var hit = false;
		// Düşmanlara çarpma
		for (var j = enemies.length - 1; j >= 0; j--) {
			var e = enemies[j];
			if (b.intersects(e)) {
				LK.getSound('hit').play();
				if (typeof e.takeDamage === "function") {
					e.takeDamage(1);
					if (e._shouldRemove) {
						enemies.splice(j, 1);
					}
				}
				hit = true;
				break;
			}
		}
		if (hit || isOutOfBounds(b)) {
			b.destroy();
			playerBullets.splice(i, 1);
		}
	}
	// Düşman mermisi update
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		var b = enemyBullets[i];
		b.update();
		// Oyuncuya çarpma
		if (b.intersects(player)) {
			if (player._shield && player._shield > 0) {
				// Kalkan varsa hasar alma, kalkanı azalt
				player._shield--;
				LK.effects.flashObject(player, 0x00ffff, 400);
				if (player._shield === 0) {
					showArenaEventPopup("Shield Broken!");
				} else {
					showArenaEventPopup("Shield: " + player._shield + " hits left!");
				}
			} else {
				playerHealth--;
				if (typeof player.health !== "undefined") player.health = playerHealth;
				updateScoreAndLevel();
				LK.effects.flashObject(player, 0xff4444, 400);
				if (playerHealth <= 0) {
					b.destroy();
					enemyBullets.splice(i, 1);
					gameOver();
					return;
				}
			}
			b.destroy();
			enemyBullets.splice(i, 1);
			continue;
		}
		if (isOutOfBounds(b)) {
			b.destroy();
			enemyBullets.splice(i, 1);
		}
	}
	// KOMBO zamanlayıcı: Kombo süresi dolarsa sıfırla
	if (comboCount > 0) {
		comboTimer--;
		if (comboTimer <= 0) {
			comboCount = 0;
			updateComboText();
		}
	}
	// PowerUp update ve çarpışma
	for (var i = powerUps.length - 1; i >= 0; i--) {
		var p = powerUps[i];
		p.update();
		if (player.intersects(p)) {
			// PowerUp alındı
			var effect = p.effect;
			var popupMsg = "";
			if (effect === "rapid") {
				// Hızlı ateş: 10 saniye boyunca 2 kat hızlı ateş
				powerActive = true;
				powerTimer = 600;
				popupMsg = "RAPID FIRE! (10s)";
			} else if (effect === "triple") {
				// 10 seconds of triple shot
				player._tripleShot = 600;
				popupMsg = "TRIPLE SHOT! (10s)";
			} else if (effect === "shield") {
				// 5-hit shield
				player._shield = 5;
				popupMsg = "Shield (5 hits)!";
			} else if (effect === "heal") {
				// Restore all health
				playerHealth = playerMaxHealth;
				if (typeof player.health !== "undefined") player.health = playerHealth;
				updateScoreAndLevel();
				popupMsg = "Full Health!";
			}
			LK.effects.flashObject(player, 0x00ffcc, 400);
			showArenaEventPopup("PowerUp: " + popupMsg);
			p.destroy();
			powerUps.splice(i, 1);
		} else if (isOutOfBounds(p)) {
			p.destroy();
			powerUps.splice(i, 1);
		}
	}
	// Coin update ve toplama
	for (var i = coins.length - 1; i >= 0; i--) {
		var c = coins[i];
		c.update();
		if (player.intersects(c)) {
			coinCount++;
			coinTxt.setText('₵ ' + coinCount);
			// COIN: Save permanently
			storage.coins = coinCount;
			LK.effects.flashObject(player, 0xFFD700, 200);
			c.destroy();
			coins.splice(i, 1);
		} else if (isOutOfBounds(c)) {
			c.destroy();
			coins.splice(i, 1);
		}
	}
	// PowerUp etkisi süresi
	if (powerActive) {
		powerTimer--;
		if (powerTimer <= 0) {
			powerActive = false;
		}
	}
	// Triple shot süresi azalt
	if (player._tripleShot && player._tripleShot > 0) {
		player._tripleShot--;
		if (player._tripleShot <= 0) {
			player._tripleShot = 0;
		}
	}
	// PowerUp spawn (her 6 saniyede bir)
	if (gameTick % 360 === 0) {
		spawnPowerUp();
	}
	// COIN: Sık sık rastgele coin spawn et (her 60 frame'de bir, %60 olasılıkla)
	if (gameTick % 60 === 0) {
		if (Math.random() < 0.6) {
			spawnCoin();
		}
	}
	// Düşman spawn
	var spawnInterval = Math.max(60 - level * 2, 20);
	if (gameTick % spawnInterval === 0) {
		spawnEnemy();
	}
};
// Sürükleme başlat
game.down = function (x, y, obj) {
	// Oyuncuya tıklanırsa sürükle
	var px = player.x,
		py = player.y;
	var dx = x - px,
		dy = y - py;
	var dist = Math.sqrt(dx * dx + dy * dy);
	// Kullanıcı dostu: Oyuncunun üstüne dokunulduysa sürüklemeye başla, yoksa ateş et
	if (dist < player.radius + 80) {
		// daha geniş alan, daha kolay sürükleme
		dragNode = player;
		lastPlayerPos.x = x;
		lastPlayerPos.y = y;
		// Sürükleme başladığında ateş etme, yanlışlıkla ateşlemeyi önle
		// Drag threshold: set a flag to check if drag distance exceeds a threshold before firing
		dragNode._dragStarted = false;
		dragNode._dragStartX = x;
		dragNode._dragStartY = y;
		dragNode._dragStartTime = Date.now();
	} else {
		// Oyuncu mermisi ateşle
		// (Kaldırıldı: tap-to-shoot kodu artık yok)
	}
};
// Sürükleme bırak
game.up = function (x, y, obj) {
	if (dragNode && typeof dragNode._dragStarted !== "undefined") {
		// Eğer drag başlamadıysa ve kısa sürede bırakıldıysa, ateş et (tap-to-shoot)
		var dragDx = x - dragNode._dragStartX;
		var dragDy = y - dragNode._dragStartY;
		var dragDist = Math.sqrt(dragDx * dragDx + dragDy * dragDy);
		var dragTime = Date.now() - (dragNode._dragStartTime || 0);
		if (!dragNode._dragStarted && dragDist < 24 && dragTime < 200) {
			spawnPlayerBullet(player.x, player.y, x, y);
		}
		dragNode._dragStarted = false;
		dragNode._dragStartX = 0;
		dragNode._dragStartY = 0;
		dragNode._dragStartTime = 0;
	}
	dragNode = null;
	// Kullanıcı dostu: Sürükleme bırakıldığında son pozisyonu güncelle
	lastPlayerPos.x = 0;
	lastPlayerPos.y = 0;
};
// Sürükleme hareketi: Oyuncu mouse ile birlikte hareket etsin
game.move = function (x, y, obj) {
	// Oyuncu mouse ile birlikte hareket etsin
	if (player) {
		// Kullanıcı dostu: Oyuncunun ekran dışına çıkmasını engelle
		var minX = player.radius + 20;
		var maxX = 2048 - player.radius - 20;
		var minY = player.radius + 20;
		var maxY = 2732 - player.radius - 20;
		player.x = x;
		player.y = y;
		if (player.x < minX) player.x = minX;
		if (player.x > maxX) player.x = maxX;
		if (player.y < minY) player.y = minY;
		if (player.y > maxY) player.y = maxY;
	}
};
// Oyun başında skor, seviye ve canı sıfırla
score = 0;
level = 1;
playerHealth = playerMaxHealth;
// COIN: Kalıcı coin sayısını yükle
coinCount = typeof storage.coins === "number" ? storage.coins : 0;
if (typeof coinTxt !== "undefined") coinTxt.setText('₵ ' + coinCount);
if (typeof player !== "undefined") {
	if (typeof player.maxHealth !== "undefined") player.maxHealth = playerMaxHealth;
	if (typeof player.health !== "undefined") player.health = playerHealth;
}
updateScoreAndLevel();

===================================================================
--- original.js
+++ change.js
@@ -554,14 +554,156 @@
 	level++;
 	updateScoreAndLevel();
 }
 // Oyun bitti
+// Simple persistent upgrade shop
+var shopContainer = null;
+var shopUpgradeButtons = [];
+var shopUpgrades = [{
+	key: "maxHealth",
+	label: "Max Health +1",
+	cost: 10,
+	apply: function apply() {
+		if (typeof storage.upg_maxHealth !== "number") storage.upg_maxHealth = 0;
+		storage.upg_maxHealth++;
+		playerMaxHealth++;
+		playerHealth = playerMaxHealth;
+	}
+}, {
+	key: "powerupTime",
+	label: "PowerUp Time +2s",
+	cost: 15,
+	apply: function apply() {
+		if (typeof storage.upg_powerupTime !== "number") storage.upg_powerupTime = 0;
+		storage.upg_powerupTime++;
+		maxComboTime += 60; // +1s
+	}
+}, {
+	key: "coinBoost",
+	label: "Coin Boost +1",
+	cost: 20,
+	apply: function apply() {
+		if (typeof storage.upg_coinBoost !== "number") storage.upg_coinBoost = 0;
+		storage.upg_coinBoost++;
+	}
+}];
+function showShop() {
+	if (shopContainer) {
+		shopContainer.visible = true;
+		return;
+	}
+	shopContainer = new Container();
+	shopContainer.x = 2048 / 2;
+	shopContainer.y = 2732 / 2;
+	// Background
+	var bg = LK.getAsset('centerCircle', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		scaleX: 8,
+		scaleY: 6,
+		tint: 0x222244
+	});
+	shopContainer.addChild(bg);
+	// Title
+	var title = new Text2("UPGRADE SHOP", {
+		size: 120,
+		fill: "#fff",
+		font: "Impact"
+	});
+	title.anchor.set(0.5, 0);
+	title.y = -500;
+	shopContainer.addChild(title);
+	// Coin display
+	var shopCoinTxt = new Text2('₵ ' + coinCount, {
+		size: 90,
+		fill: 0xFFD700,
+		font: "Impact"
+	});
+	shopCoinTxt.anchor.set(0.5, 0);
+	shopCoinTxt.y = -400;
+	shopContainer.addChild(shopCoinTxt);
+	// Upgrades
+	shopUpgradeButtons = [];
+	for (var i = 0; i < shopUpgrades.length; i++) {
+		(function (upg, idx) {
+			var btnY = -200 + idx * 220;
+			var btnBg = LK.getAsset('centerCircle', {
+				anchorX: 0.5,
+				anchorY: 0.5,
+				scaleX: 5,
+				scaleY: 1.2,
+				tint: 0x444488
+			});
+			btnBg.y = btnY;
+			shopContainer.addChild(btnBg);
+			var btnTxt = new Text2(upg.label + " (" + upg.cost + "₵)", {
+				size: 70,
+				fill: "#fff",
+				font: "Impact"
+			});
+			btnTxt.anchor.set(0.5, 0.5);
+			btnTxt.y = btnY;
+			shopContainer.addChild(btnTxt);
+			// Show current upgrade level if any
+			var upgLevel = typeof storage["upg_" + upg.key] === "number" ? storage["upg_" + upg.key] : 0;
+			var lvlTxt = new Text2("Lv." + upgLevel, {
+				size: 50,
+				fill: 0x00FFCC
+			});
+			lvlTxt.anchor.set(0.5, 0.5);
+			lvlTxt.x = 500;
+			lvlTxt.y = btnY;
+			shopContainer.addChild(lvlTxt);
+			// Button logic
+			btnBg.interactive = true;
+			btnBg.down = function (x, y, obj) {
+				if (coinCount >= upg.cost) {
+					coinCount -= upg.cost;
+					storage.coins = coinCount;
+					upg.apply();
+					// Update coin and level text
+					if (typeof coinTxt !== "undefined") coinTxt.setText('₵ ' + coinCount);
+					shopCoinTxt.setText('₵ ' + coinCount);
+					lvlTxt.setText("Lv." + (typeof storage["upg_" + upg.key] === "number" ? storage["upg_" + upg.key] : 0));
+				}
+			};
+			shopUpgradeButtons.push(btnBg);
+		})(shopUpgrades[i], i);
+	}
+	// Play again button
+	var playBtnBg = LK.getAsset('centerCircle', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		scaleX: 4,
+		scaleY: 1.2,
+		tint: 0x22bb44
+	});
+	playBtnBg.y = 400;
+	shopContainer.addChild(playBtnBg);
+	var playBtnTxt = new Text2("PLAY AGAIN", {
+		size: 90,
+		fill: "#fff",
+		font: "Impact"
+	});
+	playBtnTxt.anchor.set(0.5, 0.5);
+	playBtnTxt.y = 400;
+	shopContainer.addChild(playBtnTxt);
+	playBtnBg.interactive = true;
+	playBtnBg.down = function (x, y, obj) {
+		shopContainer.visible = false;
+		startGame();
+	};
+	LK.gui.center.addChild(shopContainer);
+}
 function gameOver() {
 	if (isGameOver) return;
 	isGameOver = true;
 	LK.effects.flashScreen(0xff0000, 1000);
 	LK.getSound('hit').play();
-	LK.showGameOver();
+	// Show shop after a short delay for effect
+	LK.setTimeout(function () {
+		showShop();
+	}, 900);
 }
 // Oyun kazandı
 function youWin() {
 	LK.showYouWin();