/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	coins: 0,
	bestDistance: 0,
	upgrade_fuel: 0,
	upgrade_armor: 0,
	upgrade_power: 0,
	upgrade_weapon: 0
});

/**** 
* Classes
****/ 
// Bullet (for armed vehicle)
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletSprite = self.attachAsset('fuelBarFG', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 36,
		height: 16
	});
	bulletSprite.tint = 0xffe066;
	self.width = bulletSprite.width;
	self.height = bulletSprite.height;
	self.speed = 22;
	self.damage = 20 + (storage.upgrade_weapon > 0 ? 20 * storage.upgrade_weapon : 0);
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
// Car (player vehicle)
var Car = Container.expand(function () {
	var self = Container.call(this);
	// --- Car Skin System ---
	function applyCarSkin(sprite) {
		// Defensive: always check storage
		var skinKey = storage && storage.selectedCarSkin ? storage.selectedCarSkin : "default";
		if (!skinKey) skinKey = "default";
		// Find skin definition
		var skinDef = null;
		var carSkinsArr = [{
			key: "default",
			asset: "car"
		}, {
			key: "red",
			asset: "car",
			tint: 0xff4444
		}, {
			key: "blue",
			asset: "car",
			tint: 0x4488ff
		}, {
			key: "green",
			asset: "car",
			tint: 0x44ff44
		}];
		for (var i = 0; i < carSkinsArr.length; ++i) {
			if (carSkinsArr[i].key === skinKey) {
				skinDef = carSkinsArr[i];
				break;
			}
		}
		if (!skinDef) skinDef = carSkinsArr[0];
		// Set tint if needed
		if (skinDef.tint) {
			sprite.tint = skinDef.tint;
		} else {
			sprite.tint = 0xffffff;
		}
	}
	// Always use selected skin
	var carSprite = self.attachAsset('car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	applyCarSkin(carSprite);
	self.width = carSprite.width;
	self.height = carSprite.height;
	self.fuel = 100;
	self.maxFuel = 100;
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 1.3;
	self.alive = true;
	// For drag
	self.isDragging = false;
	// For upgrades
	self.applyUpgrades = function () {
		self.maxFuel = 100 + storage.upgrade_fuel * 30;
		self.fuel = self.maxFuel;
		self.maxHealth = 100 + storage.upgrade_armor * 40;
		self.health = self.maxHealth;
		self.speed = 16 + storage.upgrade_power * 2;
		// Weapon upgrade: if purchased, enable weapon and set damage
		self.hasWeapon = storage.upgrade_weapon > 0;
		self.weaponDamage = 20 + (storage.upgrade_weapon > 0 ? 20 * storage.upgrade_weapon : 0);
		// Re-apply skin in case it changed
		applyCarSkin(carSprite);
	};
	self.takeDamage = function (amount) {
		self.health -= amount;
		if (self.health < 0) self.health = 0;
		if (self.health === 0) {
			self.alive = false;
		}
	};
	self.refuel = function (amount) {
		self.fuel += amount;
		if (self.fuel > self.maxFuel) self.fuel = self.maxFuel;
	};
	self.update = function () {
		// Move car forward if alive and runActive
		if (self.alive && typeof runActive !== "undefined" && runActive) {
			self.x += self.speed * 0.22;
			if (self.x > 800) self.x = 800;
		}
	};
	return self;
});
// Coin
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinSprite = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = coinSprite.width;
	self.height = coinSprite.height;
	self.speed = 1.5;
	self.collected = false;
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});
// Zombie
var Zombie = Container.expand(function () {
	var self = Container.call(this);
	var zombieSprite = self.attachAsset('zombie', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = zombieSprite.width;
	self.height = zombieSprite.height;
	self.speed = 0.7 + Math.random() * 0.3;
	self.alive = true;
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});
// Zombie2 (new type)
var Zombie2 = Container.expand(function () {
	var self = Container.call(this);
	var zombieSprite = self.attachAsset('zombie2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = zombieSprite.width;
	self.height = zombieSprite.height;
	// Slightly faster and smaller than regular zombie
	self.speed = 1.2 + Math.random() * 0.4;
	self.alive = true;
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});
// Zombie3 (can also come from the road)
var Zombie3 = Container.expand(function () {
	var self = Container.call(this);
	var zombieSprite = self.attachAsset('zombie3', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = zombieSprite.width;
	self.height = zombieSprite.height;
	// Speed and alive state
	self.speed = 1.0 + Math.random() * 0.5;
	self.alive = true;
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000
});

/**** 
* Game Code
****/ 
// Pause menu removed
// Sound effects
// Road
// Health Bar FG
// Health Bar BG
// Fuel Bar FG
// Fuel Bar BG
// Coin
// Zombie
// Car (player vehicle)
// Desert background
var desertBG = LK.getAsset('road', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0,
	width: 2048,
	height: 2732
});
desertBG.tint = 0xF7E9A0; // pale desert sand color
game.addChild(desertBG);
// Road
var road = LK.getAsset('road', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 2200
});
road.tint = 0xE2C97B; // sandy yellow tint for desert
game.addChild(road);
// Car
var car = new Car();
car.x = 400;
car.y = 2200 + 100; // Centered on road
car.applyUpgrades();
game.addChild(car);
// Arrays for zombies, coins, and bullets
var zombies = [];
var coins = [];
var bullets = [];
// Distance tracking
var distance = 0;
var runActive = true;
// Shooting state
var shootCooldown = 0;
// GUI: Speed (to the left of distance)
var speedTxt = new Text2('0 km/h', {
	size: 90,
	fill: 0xFFFFFF
});
speedTxt.anchor.set(1, 0); // right edge, top
speedTxt.x = -120; // move it further to the left of distanceTxt (will be set after distanceTxt is placed)
speedTxt.y = 0;
// GUI: Distance
var distanceTxt = new Text2('0 m', {
	size: 90,
	fill: 0xFFFFFF
});
distanceTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(distanceTxt);
LK.gui.top.addChild(speedTxt);
// GUI: Coins
var coinsTxt = new Text2(storage.coins + '', {
	size: 90,
	fill: 0xFFD700
});
coinsTxt.anchor.set(0.5, 0);
// Place coins counter next to distance counter (right side)
coinsTxt.x = 220;
coinsTxt.y = 0;
LK.gui.top.addChild(coinsTxt);
// Add 'Coins' label to the right of the coins counter
var coinsLabel = new Text2("Coins", {
	size: 38,
	fill: 0xFFD700
});
coinsLabel.anchor.set(0, 0); // left-top anchor
coinsLabel.x = coinsTxt.x + coinsTxt.width / 2 + 18; // 18px right of coins counter
coinsLabel.y = coinsTxt.y + 18; // align baseline with coinsTxt
LK.gui.top.addChild(coinsLabel);
// --- Bullet Counter GUI ---
// Show remaining bullets (right of coins, but before edge)
var bulletCounterTxt = new Text2("", {
	size: 48,
	fill: 0xFFE066
});
bulletCounterTxt.anchor.set(0.5, 0);
bulletCounterTxt.x = coinsLabel.x + coinsLabel.width + 140; // moved 40px to the right, now 40px more left
bulletCounterTxt.y = 18; // moved up a little bit
LK.gui.top.addChild(bulletCounterTxt);
// Pause menu removed
// GUI: Fuel Bar (moved to top left)
var fuelBarBG = LK.getAsset('fuelBarBG', {
	anchorX: 0,
	anchorY: 0.5,
	x: 60,
	// 60px from left edge, to avoid menu button
	y: 120
});
var fuelBarFG = LK.getAsset('fuelBarFG', {
	anchorX: 0,
	anchorY: 0.5,
	x: 60,
	y: 120
});
LK.gui.top.addChild(fuelBarBG);
LK.gui.top.addChild(fuelBarFG);
// Add 'Fuel' label next to the fuel bar (to the left)
var fuelLabel = new Text2("Fuel", {
	size: 60,
	fill: "#fff"
});
fuelLabel.anchor.set(1, 0.5);
fuelLabel.x = 50; // 10px left of the new bar's left edge
fuelLabel.y = 120;
LK.gui.top.addChild(fuelLabel);
// Add remaining fuel text to the right of the fuel bar
var fuelRemainTxt = new Text2("", {
	size: 48,
	fill: "#fff"
});
fuelRemainTxt.anchor.set(0, 0.5);
fuelRemainTxt.x = 60 + 400 + 18; // right of new bar + 18px
fuelRemainTxt.y = 120;
LK.gui.top.addChild(fuelRemainTxt);
// GUI: Health Bar (moved under fuel bar, top left)
var healthBarBG = LK.getAsset('healthBarBG', {
	anchorX: 0,
	anchorY: 0.5,
	x: 60,
	y: 200
});
var healthBarFG = LK.getAsset('healthBarFG', {
	anchorX: 0,
	anchorY: 0.5,
	x: 60,
	y: 200
});
LK.gui.top.addChild(healthBarBG);
LK.gui.top.addChild(healthBarFG);
// Add 'Health' label next to the health bar (to the left)
var healthLabel = new Text2("Health", {
	size: 60,
	fill: "#fff"
});
healthLabel.anchor.set(1, 0.5);
healthLabel.x = 50;
healthLabel.y = 200;
LK.gui.top.addChild(healthLabel);
// Add remaining health text to the right of the health bar
var healthRemainTxt = new Text2("", {
	size: 48,
	fill: "#fff"
});
healthRemainTxt.anchor.set(0, 0.5);
healthRemainTxt.x = 60 + 400 + 18; // right of new bar + 18px
healthRemainTxt.y = 200;
LK.gui.top.addChild(healthRemainTxt);
// PC controls: keyboard arrow keys or WASD for car movement
var keyState = {
	up: false,
	down: false
};
// Touch/click to shoot (mobile-friendly)
game.down = function (x, y, obj) {
	// Only shoot if car is alive, has weapon, run is active, and has bullets left
	if (car.alive && car.hasWeapon && runActive && shootCooldown <= 0 && car.bulletsLeft > 0) {
		var bullet = new Bullet();
		bullet.x = car.x + car.width / 2 + 30;
		bullet.y = car.y;
		bullets.push(bullet);
		game.addChild(bullet);
		shootCooldown = 12; // frames between shots (~0.2s at 60fps)
		car.bulletsLeft = Math.max(0, car.bulletsLeft - 1);
		if (typeof bulletCounterTxt !== "undefined") {
			bulletCounterTxt.setText("Bullets: " + car.bulletsLeft);
		}
	}
};
// Listen for keydown and keyup events using LK.on (simulated for PC)
// LK does not provide keyboard events, so we simulate with a global object for testing
// NOTE: In the FRVR/LK environment, keyboard events are not natively supported.
// For PC testing, you may need to use a custom event system or test with touch/mouse events.
// Here, we provide a fallback for environments that do support document events.
if (typeof document !== "undefined" && typeof document.addEventListener === "function") {
	document.addEventListener('keydown', function (e) {
		if (!runActive) return;
		if (e.code === 'ArrowUp' || e.code === 'KeyW') keyState.up = true;
		if (e.code === 'ArrowDown' || e.code === 'KeyS') keyState.down = true;
	});
	document.addEventListener('keyup', function (e) {
		if (e.code === 'ArrowUp' || e.code === 'KeyW') keyState.up = false;
		if (e.code === 'ArrowDown' || e.code === 'KeyS') keyState.down = false;
	});
}
// Spawn zombies
function spawnZombie() {
	// Randomly pick zombie type: 1/3 each
	var zombieType = Math.floor(Math.random() * 3);
	var zombie;
	if (zombieType === 0) {
		zombie = new Zombie();
	} else if (zombieType === 1) {
		zombie = new Zombie2();
	} else {
		zombie = new Zombie3();
	}
	zombie.x = 2048 + 100;
	// Random vertical position on road
	var minY = road.y + zombie.height / 2;
	var maxY = road.y + road.height - zombie.height / 2;
	zombie.y = minY + Math.random() * (maxY - minY);
	zombies.push(zombie);
	game.addChild(zombie);
}
// Spawn coins
function spawnCoin() {
	var coin = new Coin();
	coin.x = 2048 - 300;
	// Random vertical position on road
	var minY = road.y + coin.height / 2;
	var maxY = road.y + road.height - coin.height / 2;
	coin.y = minY + Math.random() * (maxY - minY);
	coins.push(coin);
	game.addChild(coin);
}
// Reset run
function startRun() {
	// Remove all zombies and coins
	for (var i = 0; i < zombies.length; ++i) zombies[i].destroy();
	for (var i = 0; i < coins.length; ++i) coins[i].destroy();
	zombies = [];
	coins = [];
	// Reset car
	car.applyUpgrades();
	car.x = 400;
	car.y = 2200 + 100;
	car.alive = true;
	// Set bullet count based on weapon level
	if (typeof car !== "undefined" && car.hasWeapon) {
		if (storage.upgrade_weapon === 1) {
			car.bulletsLeft = 5;
		} else if (storage.upgrade_weapon === 2) {
			car.bulletsLeft = 10;
		} else if (storage.upgrade_weapon === 3) {
			car.bulletsLeft = 15;
		} else if (storage.upgrade_weapon === 4) {
			car.bulletsLeft = 20;
		} else if (storage.upgrade_weapon >= 5) {
			car.bulletsLeft = 25;
		} else {
			car.bulletsLeft = 0;
		}
	} else {
		car.bulletsLeft = 0;
	}
	// Reset distance
	distance = 0;
	runActive = true;
	// Update GUI
	distanceTxt.setText('0 m');
	coinsTxt.setText(storage.coins + '');
	// Reset bars
	updateBars();
	// Play music
	LK.playMusic('bgmusic');
}
// Update fuel and health bars
function updateBars() {
	// Fuel
	var fuelFrac = car.fuel / car.maxFuel;
	if (fuelFrac < 0) fuelFrac = 0;
	if (fuelFrac > 1) fuelFrac = 1;
	fuelBarFG.width = 400 * fuelFrac;
	if (typeof fuelRemainTxt !== "undefined") {
		fuelRemainTxt.setText(Math.round(car.fuel) + " / " + car.maxFuel);
	}
	// Health
	var healthFrac = car.health / car.maxHealth;
	if (healthFrac < 0) healthFrac = 0;
	if (healthFrac > 1) healthFrac = 1;
	// Health bar should decrease as health decreases
	healthBarFG.width = 400 * healthFrac;
	if (typeof healthRemainTxt !== "undefined") {
		healthRemainTxt.setText(Math.round(car.health) + " / " + car.maxHealth);
	}
}
// Game update
game.update = function () {
	if (!runActive) return;
	// PC controls: move car up/down with keyboard
	var moveAmount = 18 + storage.upgrade_power * 1.5;
	if (keyState.up) {
		car.y -= moveAmount;
	}
	if (keyState.down) {
		car.y += moveAmount;
	}
	// Clamp car to road
	var minY = road.y + car.height / 2;
	var maxY = road.y + road.height - car.height / 2;
	if (car.y < minY) car.y = minY;
	if (car.y > maxY) car.y = maxY;
	// Move car forward
	car.x += car.speed * 0.22;
	if (car.x > 800) car.x = 800; // Car stays at 800, world scrolls
	// Scroll world: move all objects left by car.speed
	for (var i = 0; i < zombies.length; ++i) zombies[i].x -= car.speed * 0.13;
	for (var i = 0; i < coins.length; ++i) coins[i].x -= car.speed * 0.13;
	// Fuel consumption (depletes 1.5x faster)
	car.fuel -= (0.022 + 0.0015 * car.speed) * 1.5;
	if (car.fuel < 0) car.fuel = 0;
	// Distance
	distance += car.speed * 0.09;
	distanceTxt.setText(parseInt(distance / 10) + ' m');
	// Update speed text (show as integer, km/h style)
	if (typeof speedTxt !== "undefined") {
		speedTxt.setText(Math.round(car.speed * 7.5) + " km/h");
		// Position speedTxt further to the left of distanceTxt and vertically aligned
		speedTxt.x = distanceTxt.x - distanceTxt.width / 2 - 100;
		speedTxt.y = distanceTxt.y + 6;
	}
	// Spawn zombies
	if (LK.ticks % 45 === 0) {
		spawnZombie();
	}
	// Spawn coins
	if (LK.ticks % 70 === 0) {
		spawnCoin();
	}
	// Update zombies
	for (var i = zombies.length - 1; i >= 0; --i) {
		var z = zombies[i];
		z.update();
		// Remove if off screen
		if (z.x < -200) {
			z.destroy();
			zombies.splice(i, 1);
			continue;
		}
		// Bullet collision
		for (var j = bullets.length - 1; j >= 0; --j) {
			var b = bullets[j];
			if (z.alive && b && b.intersects(z)) {
				z.alive = false;
				tween(z, {
					alpha: 0
				}, {
					duration: 200,
					onFinish: function onFinish() {
						z.destroy();
					}
				});
				zombies.splice(i, 1);
				b.destroy();
				bullets.splice(j, 1);
				// Optionally, add a visual effect for weapon hit
				LK.effects.flashObject(z, 0xffff00, 200);
				break;
			}
		}
		// Collision with car
		if (car.alive && z.alive && car.intersects(z)) {
			z.alive = false;
			LK.getSound('zombiehit').play();
			tween(z, {
				alpha: 0
			}, {
				duration: 300,
				onFinish: function onFinish() {
					z.destroy();
				}
			});
			zombies.splice(i, 1);
			// Decrease car health when zombies hit the car
			if (car.hasWeapon) {
				// Instantly destroy zombie (already handled above), reduce car damage
				car.takeDamage(10); // Always decrease by 10
				// Optionally, add a visual effect for weapon hit
				LK.effects.flashObject(z, 0xffff00, 200); // Flash zombie yellow for weapon hit
			} else {
				// Normal damage
				car.takeDamage(10); // Always decrease by 10
			}
			// Flash car
			LK.effects.flashObject(car, 0xff0000, 300);
			// Bump car back
			tween(car, {
				x: car.x - 40
			}, {
				duration: 120,
				easing: tween.easeOut
			});
			// If car dead, end run
			if (!car.alive) {
				endRun();
				return;
			}
		}
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; --i) {
		var b = bullets[i];
		b.update();
		if (b.x > 2048 + 100) {
			b.destroy();
			bullets.splice(i, 1);
		}
	}
	// Update coins
	for (var i = coins.length - 1; i >= 0; --i) {
		var c = coins[i];
		c.update();
		// Remove if off screen
		if (c.x < -100) {
			c.destroy();
			coins.splice(i, 1);
			continue;
		}
		// Collect coin
		if (!c.collected && car.intersects(c)) {
			c.collected = true;
			LK.getSound('coin').play();
			storage.coins += 1;
			coinsTxt.setText(storage.coins + '');
			tween(c, {
				alpha: 0,
				scaleX: 1.5,
				scaleY: 1.5
			}, {
				duration: 200,
				onFinish: function onFinish() {
					c.destroy();
				}
			});
			coins.splice(i, 1);
		}
	}
	// Update bars
	updateBars();
	// Update bullet counter GUI
	if (typeof bulletCounterTxt !== "undefined" && typeof car !== "undefined" && car.hasWeapon) {
		bulletCounterTxt.setText("Bullets: " + car.bulletsLeft);
	} else if (typeof bulletCounterTxt !== "undefined") {
		bulletCounterTxt.setText("");
	}
	// Decrement shoot cooldown
	if (shootCooldown > 0) shootCooldown--;
	// Out of fuel
	if (car.fuel <= 0) {
		car.fuel = 0;
		endRun();
		return;
	}
};
// End run
function endRun() {
	runActive = false;
	// Save best distance
	var meters = parseInt(distance / 10);
	if (meters > storage.bestDistance) storage.bestDistance = meters;
	// Show game over
	LK.effects.flashScreen(0xff0000, 800);
	LK.showGameOver();
	LK.stopMusic();
}
// On game over, reset run
LK.on('gameover', function () {
	startRun();
});
// On you win (not used, but for completeness)
LK.on('youwin', function () {
	startRun();
});
// Garage menu logic
function showGarageMenu(onDone) {
	// Pause run and world when garage menu is open
	var wasActive = runActive;
	runActive = false;
	// Simple garage menu using Text2 and GUI overlay
	// Remove any previous garage UI
	if (typeof garageUI !== "undefined" && garageUI) {
		LK.gui.center.removeChild(garageUI);
		garageUI = null;
	}
	var garageUI = new Container();
	// Title
	var title = new Text2("Garage", {
		size: 120,
		fill: "#fff"
	});
	title.anchor.set(0.5, 0);
	title.x = 0;
	title.y = 0;
	garageUI.addChild(title);
	// Coin display
	var coinsLabel = new Text2("Coins: " + storage.coins, {
		size: 80,
		fill: 0xFFD700
	});
	coinsLabel.anchor.set(0.5, 0);
	coinsLabel.x = 0;
	coinsLabel.y = 140;
	garageUI.addChild(coinsLabel);
	// Upgrade buttons and labels
	var upgrades = [{
		key: "upgrade_fuel",
		label: "Fuel",
		cost: 10,
		y: 300,
		desc: "+30 max fuel"
	}, {
		key: "upgrade_armor",
		label: "Armor",
		cost: 15,
		y: 500,
		desc: "+40 max health"
	}, {
		key: "upgrade_power",
		label: "Power",
		cost: 20,
		y: 700,
		desc: "+2 speed"
	}, {
		key: "upgrade_weapon",
		label: "Weapon",
		cost: 30,
		y: 900,
		desc: "Add weapon, +damage to zombies",
		descSize: 54 // Make this description smaller
	}];
	var upgradeButtons = [];
	for (var i = 0; i < upgrades.length; ++i) {
		(function (i) {
			var upg = upgrades[i];
			// Label
			var labelSize = upg.key === "upgrade_weapon" && upg.descSize ? upg.descSize : 70;
			var upgLabel = new Text2(upg.label + " Lv." + (storage[upg.key] || 0) + " (" + upg.desc + ")", {
				size: labelSize,
				fill: "#fff"
			});
			upgLabel.anchor.set(0.5, 0);
			upgLabel.x = 0;
			upgLabel.y = upg.y;
			garageUI.addChild(upgLabel);
			// Cost
			var costLabel = new Text2("Cost: " + upg.cost, {
				size: 60,
				fill: 0xFFD700
			});
			costLabel.anchor.set(0.5, 0);
			costLabel.x = -200;
			costLabel.y = upg.y + 90;
			garageUI.addChild(costLabel);
			// Upgrade button
			var btn = LK.getAsset('fuelBarFG', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: 200,
				y: upg.y + 120,
				width: 220,
				height: 80
			});
			btn.tint = 0x44ff44;
			garageUI.addChild(btn);
			// Button label
			var btnLabel = new Text2("Upgrade", {
				size: 50,
				fill: "#222"
			});
			btnLabel.anchor.set(0.5, 0.5);
			btnLabel.x = btn.x;
			btnLabel.y = btn.y;
			garageUI.addChild(btnLabel);
			// Touch/click handler
			btn.interactive = true;
			btn.down = function (x, y, obj) {
				if (storage.coins >= upg.cost) {
					storage.coins -= upg.cost;
					storage[upg.key] = (storage[upg.key] || 0) + 1;
					coinsLabel.setText("Coins: " + storage.coins);
					upgLabel.setText(upg.label + " Lv." + storage[upg.key] + " (" + upg.desc + ")");
				}
			};
			upgradeButtons.push(btn);
		})(i);
	}
	// (Start Run button removed)
	// Back button for garage
	var garageBackBtn = LK.getAsset('fuelBarFG', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 1250,
		width: 400,
		height: 120
	});
	garageBackBtn.tint = 0xcccccc;
	garageUI.addChild(garageBackBtn);
	var garageBackLabel = new Text2("Back", {
		size: 70,
		fill: "#222"
	});
	garageBackLabel.anchor.set(0.5, 0.5);
	garageBackLabel.x = garageBackBtn.x;
	garageBackLabel.y = garageBackBtn.y;
	garageUI.addChild(garageBackLabel);
	garageBackBtn.interactive = true;
	garageBackBtn.down = function (x, y, obj) {
		LK.gui.center.removeChild(garageUI);
		garageUI = null;
		// Resume previous state (main menu or game paused)
		if (typeof onDone === "function") onDone();
	};
	// Center garage UI
	garageUI.x = 0;
	garageUI.y = -350; // Move the garage menu up by 350px (higher than before)
	LK.gui.center.addChild(garageUI);
}
// --- Main Menu UI ---
var mainMenuUI = new Container();
// Title
var mainTitle = new Text2("Drive to Survive", {
	size: 150,
	fill: 0xF7E9A0
});
mainTitle.anchor.set(0.5, 0);
mainTitle.x = 0;
mainTitle.y = 0;
mainMenuUI.addChild(mainTitle);
// Play Button
var playBtn = LK.getAsset('fuelBarFG', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 0,
	y: 400,
	width: 500,
	height: 140
});
playBtn.tint = 0x44bbff;
mainMenuUI.addChild(playBtn);
var playLabel = new Text2("Play", {
	size: 90,
	fill: "#fff"
});
playLabel.anchor.set(0.5, 0.5);
playLabel.x = playBtn.x;
playLabel.y = playBtn.y;
mainMenuUI.addChild(playLabel);
// Garage Button
var menuGarageBtn = LK.getAsset('fuelBarFG', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 0,
	y: 600,
	width: 500,
	height: 140
});
menuGarageBtn.tint = 0x8888ff;
mainMenuUI.addChild(menuGarageBtn);
var menuGarageLabel = new Text2("Garage", {
	size: 90,
	fill: "#fff"
});
menuGarageLabel.anchor.set(0.5, 0.5);
menuGarageLabel.x = menuGarageBtn.x;
menuGarageLabel.y = menuGarageBtn.y;
mainMenuUI.addChild(menuGarageLabel);
// Shop Button
var shopBtn = LK.getAsset('fuelBarFG', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 0,
	y: 800,
	width: 500,
	height: 140
});
shopBtn.tint = 0xffb347;
mainMenuUI.addChild(shopBtn);
var shopLabel = new Text2("Shop", {
	size: 90,
	fill: "#fff"
});
shopLabel.anchor.set(0.5, 0.5);
shopLabel.x = shopBtn.x;
shopLabel.y = shopBtn.y;
mainMenuUI.addChild(shopLabel);
// Settings Button
var settingsBtn = LK.getAsset('fuelBarFG', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 0,
	y: 1000,
	width: 500,
	height: 140
});
settingsBtn.tint = 0xcccccc;
mainMenuUI.addChild(settingsBtn);
var settingsLabel = new Text2("Settings", {
	size: 90,
	fill: "#222"
});
settingsLabel.anchor.set(0.5, 0.5);
settingsLabel.x = settingsBtn.x;
settingsLabel.y = settingsBtn.y;
mainMenuUI.addChild(settingsLabel);
// --- Shop Menu UI ---
var shopUI = new Container();
var shopTitle = new Text2("Car Skins", {
	size: 120,
	fill: "#fff"
});
shopTitle.anchor.set(0.5, 0);
shopTitle.x = 0;
shopTitle.y = -260; // moved up by 40px (was -220)
shopUI.addChild(shopTitle);
// Define available skins
var carSkins = [{
	key: "default",
	name: "Classic",
	asset: "car",
	price: 0
}, {
	key: "red",
	name: "Red Racer",
	asset: "car",
	price: 80,
	tint: 0xff4444
}, {
	key: "blue",
	name: "Blue Bolt",
	asset: "car",
	price: 120,
	tint: 0x4488ff
}, {
	key: "green",
	name: "Green Machine",
	asset: "car",
	price: 160,
	tint: 0x44ff44
}];
// Persistent storage for owned skins and selected skin
if (!storage.carSkins) storage.carSkins = {
	"default": true
};
if (!storage.selectedCarSkin) storage.selectedCarSkin = "default";
// Coin display in shop
var shopCoinsLabel = new Text2("Coins: " + storage.coins, {
	size: 80,
	fill: 0xFFD700
});
shopCoinsLabel.anchor.set(0.5, 0);
shopCoinsLabel.x = 0;
shopCoinsLabel.y = -120; // moved up by 60px (was -60)
shopUI.addChild(shopCoinsLabel);
// Skin buttons
var skinButtons = [];
for (var i = 0; i < carSkins.length; ++i) {
	(function (i) {
		var skin = carSkins[i];
		// Increase vertical spacing between skins
		var y = 60 + i * 220; // moved all skins up by 80px (was 140 + i * 220)
		// Car preview
		var preview = LK.getAsset(skin.asset, {
			anchorX: 0.5,
			anchorY: 0.5,
			x: -320,
			y: y,
			width: 320,
			height: 120
		});
		if (skin.tint) preview.tint = skin.tint;
		shopUI.addChild(preview);
		// Skin name
		var nameLabel = new Text2(skin.name, {
			size: skin.key === "green" ? 56 : 70,
			fill: "#fff"
		});
		nameLabel.anchor.set(0, 0.5);
		nameLabel.x = -120;
		nameLabel.y = y;
		shopUI.addChild(nameLabel);
		// Price or "Owned"
		var priceLabel = new Text2(storage.carSkins[skin.key] ? "Owned" : "Price: " + skin.price, {
			size: 60,
			fill: storage.carSkins[skin.key] ? "#44ff44" : "#FFD700"
		});
		priceLabel.anchor.set(0.5, 1);
		priceLabel.x = 400;
		priceLabel.y = y - 50; // 50px above the button
		shopUI.addChild(priceLabel);
		// Select/Buy button
		var btn = LK.getAsset('fuelBarFG', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 400,
			y: y,
			width: 220,
			height: 80
		});
		btn.tint = storage.selectedCarSkin === skin.key ? 0x44bbff : 0xcccccc;
		shopUI.addChild(btn);
		var btnLabel = new Text2(storage.carSkins[skin.key] ? storage.selectedCarSkin === skin.key ? "Selected" : "Select" : "Buy", {
			size: 50,
			fill: "#222"
		});
		btnLabel.anchor.set(0.5, 0.5);
		btnLabel.x = btn.x;
		btnLabel.y = btn.y;
		shopUI.addChild(btnLabel);
		btn.interactive = true;
		btn.down = function (x, y, obj) {
			if (storage.carSkins[skin.key]) {
				// Select skin
				storage.selectedCarSkin = skin.key;
				// Update all button tints and labels
				for (var j = 0; j < skinButtons.length; ++j) {
					var b = skinButtons[j];
					b.btn.tint = carSkins[j].key === skin.key ? 0x44bbff : 0xcccccc;
					b.btnLabel.setText(storage.carSkins[carSkins[j].key] ? carSkins[j].key === skin.key ? "Selected" : "Select" : "Buy");
				}
			} else if (storage.coins >= skin.price) {
				// Buy skin
				storage.coins -= skin.price;
				storage.carSkins[skin.key] = true;
				shopCoinsLabel.setText("Coins: " + storage.coins);
				priceLabel.setText("Owned");
				priceLabel.setStyle({
					fill: 0x44FF44
				});
				btnLabel.setText("Select");
			}
		};
		skinButtons.push({
			btn: btn,
			btnLabel: btnLabel
		});
	})(i);
}
// Back button for shop
var shopBackBtn = LK.getAsset('fuelBarFG', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 0,
	y: -20 + carSkins.length * 220,
	// moved up by 80px (was 60 + carSkins.length * 220)
	width: 400,
	height: 120
});
shopBackBtn.tint = 0xcccccc;
shopUI.addChild(shopBackBtn);
var shopBackLabel = new Text2("Back", {
	size: 70,
	fill: "#222"
});
shopBackLabel.anchor.set(0.5, 0.5);
shopBackLabel.x = shopBackBtn.x;
shopBackLabel.y = shopBackBtn.y;
shopUI.addChild(shopBackLabel);
shopBackBtn.interactive = true;
shopBackBtn.down = function (x, y, obj) {
	LK.gui.center.removeChild(shopUI);
	LK.gui.center.addChild(mainMenuUI);
};
// Music On/Off Button (in settings menu)
var settingsMenuUI = new Container();
var musicOn = true;
// Reset Button (above music)
var resetBtn = LK.getAsset('fuelBarFG', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 0,
	y: 60,
	// 140px above music button
	width: 400,
	height: 120
});
resetBtn.tint = 0xff4444;
settingsMenuUI.addChild(resetBtn);
var resetLabel = new Text2("Reset Progress", {
	size: 70,
	fill: "#fff"
});
resetLabel.anchor.set(0.5, 0.5);
resetLabel.x = resetBtn.x;
resetLabel.y = resetBtn.y;
settingsMenuUI.addChild(resetLabel);
resetBtn.interactive = true;
resetBtn.down = function (x, y, obj) {
	// Show confirmation dialog before resetting progress
	var confirmDialog = new Container();
	// Dialog background
	var dialogBG = LK.getAsset('fuelBarBG', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: 0,
		width: 900,
		height: 420
	});
	dialogBG.tint = 0x222222;
	confirmDialog.addChild(dialogBG);
	// Confirmation text
	var confirmText = new Text2("Are you sure?\nAll your progress will be reset", {
		size: 64,
		fill: "#fff"
	});
	confirmText.anchor.set(0.5, 0.5);
	confirmText.x = 0;
	confirmText.y = -60;
	confirmDialog.addChild(confirmText);
	// Yes button
	var yesBtn = LK.getAsset('fuelBarFG', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -180,
		y: 100,
		width: 300,
		height: 100
	});
	yesBtn.tint = 0xff4444;
	confirmDialog.addChild(yesBtn);
	var yesLabel = new Text2("Yes", {
		size: 60,
		fill: "#fff"
	});
	yesLabel.anchor.set(0.5, 0.5);
	yesLabel.x = yesBtn.x;
	yesLabel.y = yesBtn.y;
	confirmDialog.addChild(yesLabel);
	// No button
	var noBtn = LK.getAsset('fuelBarFG', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 180,
		y: 100,
		width: 300,
		height: 100
	});
	noBtn.tint = 0x44bbff;
	confirmDialog.addChild(noBtn);
	var noLabel = new Text2("No", {
		size: 60,
		fill: "#fff"
	});
	noLabel.anchor.set(0.5, 0.5);
	noLabel.x = noBtn.x;
	noLabel.y = noBtn.y;
	confirmDialog.addChild(noLabel);
	// Yes button handler
	yesBtn.interactive = true;
	yesBtn.down = function (x, y, obj) {
		// Reset all persistent progress
		storage.coins = 0;
		storage.bestDistance = 0;
		storage.upgrade_fuel = 0;
		storage.upgrade_armor = 0;
		storage.upgrade_power = 0;
		storage.upgrade_weapon = 0;
		storage.carSkins = {
			"default": true
		};
		storage.selectedCarSkin = "default";
		LK.effects.flashScreen(0xff4444, 400);
		// Remove dialog
		LK.gui.center.removeChild(confirmDialog);
	};
	// No button handler
	noBtn.interactive = true;
	noBtn.down = function (x, y, obj) {
		LK.gui.center.removeChild(confirmDialog);
	};
	// Center dialog
	confirmDialog.x = 0;
	confirmDialog.y = 0;
	LK.gui.center.addChild(confirmDialog);
};
// Music Button
var musicBtn = LK.getAsset('fuelBarFG', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 0,
	y: 200,
	width: 400,
	height: 120
});
musicBtn.tint = 0x44ff88;
settingsMenuUI.addChild(musicBtn);
var musicLabel = new Text2("Music: On", {
	size: 70,
	fill: "#222"
});
musicLabel.anchor.set(0.5, 0.5);
musicLabel.x = musicBtn.x;
musicLabel.y = musicBtn.y;
settingsMenuUI.addChild(musicLabel);
// Language selection button
var languageBtn = LK.getAsset('fuelBarFG', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 0,
	y: 340,
	width: 400,
	height: 120
});
languageBtn.tint = 0xffe066;
settingsMenuUI.addChild(languageBtn);
var languageOptions = ["English", "Türkçe"];
var languageIndex = 0;
var languageLabel = new Text2("Language: " + languageOptions[languageIndex], {
	size: 70,
	fill: "#222"
});
languageLabel.anchor.set(0.5, 0.5);
languageLabel.x = languageBtn.x;
languageLabel.y = languageBtn.y;
settingsMenuUI.addChild(languageLabel);
languageBtn.interactive = true;
languageBtn.down = function (x, y, obj) {
	languageIndex = (languageIndex + 1) % languageOptions.length;
	languageLabel.setText("Language: " + languageOptions[languageIndex]);
	// Here you could add logic to update UI text based on language selection
};
// Back button for settings
var settingsBackBtn = LK.getAsset('fuelBarFG', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 0,
	y: 520,
	width: 400,
	height: 120
});
settingsBackBtn.tint = 0xcccccc;
settingsMenuUI.addChild(settingsBackBtn);
var settingsBackLabel = new Text2("Back", {
	size: 70,
	fill: "#222"
});
settingsBackLabel.anchor.set(0.5, 0.5);
settingsBackLabel.x = settingsBackBtn.x;
settingsBackLabel.y = settingsBackBtn.y;
settingsMenuUI.addChild(settingsBackLabel);
// Center main menu UI
mainMenuUI.x = 0;
mainMenuUI.y = -350;
LK.gui.center.addChild(mainMenuUI);
// Hide all game UI and pause game while in menu
runActive = false;
// Play button handler
playBtn.interactive = true;
playBtn.down = function (x, y, obj) {
	LK.gui.center.removeChild(mainMenuUI);
	runActive = true;
	startRun();
};
// Garage button handler
menuGarageBtn.interactive = true;
menuGarageBtn.down = function (x, y, obj) {
	LK.gui.center.removeChild(mainMenuUI);
	showGarageMenu(function () {
		// After garage, return to main menu
		LK.gui.center.addChild(mainMenuUI);
		runActive = false;
	});
};
// Shop button handler
shopBtn.interactive = true;
shopBtn.down = function (x, y, obj) {
	LK.gui.center.removeChild(mainMenuUI);
	LK.gui.center.addChild(shopUI);
};
// Settings button handler
settingsBtn.interactive = true;
settingsBtn.down = function (x, y, obj) {
	LK.gui.center.removeChild(mainMenuUI);
	LK.gui.center.addChild(settingsMenuUI);
};
// Music on/off handler
musicBtn.interactive = true;
musicBtn.down = function (x, y, obj) {
	musicOn = !musicOn;
	if (musicOn) {
		musicLabel.setText("Music: On");
		LK.playMusic('bgmusic');
	} else {
		musicLabel.setText("Music: Off");
		LK.stopMusic();
	}
};
// Settings back button handler
settingsBackBtn.interactive = true;
settingsBackBtn.down = function (x, y, obj) {
	LK.gui.center.removeChild(settingsMenuUI);
	LK.gui.center.addChild(mainMenuUI);
};
// --- End Main Menu UI ---
// Remove original auto-start garage menu and run
// Show garage menu before starting run
// showGarageMenu(function () {
// startRun();
// });;

===================================================================
--- original.js
+++ change.js
@@ -525,9 +525,9 @@
 	if (LK.ticks % 45 === 0) {
 		spawnZombie();
 	}
 	// Spawn coins
-	if (LK.ticks % 90 === 0) {
+	if (LK.ticks % 70 === 0) {
 		spawnCoin();
 	}
 	// Update zombies
 	for (var i = zombies.length - 1; i >= 0; --i) {