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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function (damage, target, assetType) {
	var self = Container.call(this);
	var bulletAsset = assetType || 'bullet';
	var bulletGraphics = self.attachAsset(bulletAsset, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.damage = damage || 10;
	self.target = target;
	self.speed = 8;
	self.update = function () {
		if (!self.target || !self.target.parent) {
			self.destroy();
			return;
		}
		var dx = self.target.x - self.x;
		var dy = self.target.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 10) {
			self.target.takeDamage(self.damage);
			// If this is a slow bullet (iceball), apply slow effect
			if (bulletAsset === 'iceball') {
				self.target.slowed = true;
				self.target.slowDuration = 240; // 4 seconds at 60fps
				// Apply ice tint effect to show enemy is slowed
				tween(self.target, {
					tint: 0x87CEEB
				}, {
					duration: 200
				});
			}
			// If this is a splash bullet, create persistent water damage area
			if (self.isSplash) {
				// Apply initial splash damage to nearby enemies
				for (var i = 0; i < enemies.length; i++) {
					var enemy = enemies[i];
					var splashDx = enemy.x - self.target.x;
					var splashDy = enemy.y - self.target.y;
					var splashDistance = Math.sqrt(splashDx * splashDx + splashDy * splashDy);
					if (splashDistance <= 80 && enemy !== self.target) {
						enemy.takeDamage(Math.floor(self.damage * 0.5)); // Half damage for splash
					}
				}
				// Only create persistent water damage area if flag is set (after 10 shots)
				if (self.createWaterDamage) {
					var waterDamage = new WaterDamage(self.target.x, self.target.y, Math.floor(self.damage * 0.3));
					waterDamageAreas.push(waterDamage);
					game.addChild(waterDamage);
				}
			}
			self.destroy();
			return;
		}
		var angle = Math.atan2(dy, dx);
		self.x += Math.cos(angle) * self.speed * gameSpeed;
		self.y += Math.sin(angle) * self.speed * gameSpeed;
		// Add rainbow color cycling to bullets for colorful effect
		var rainbowColors = [0xFF0000, 0xFF8C00, 0xFFD700, 0x00FF00, 0x00BFFF, 0x8A2BE2];
		var colorIndex = Math.floor(LK.ticks / 10 % rainbowColors.length);
		bulletGraphics.tint = rainbowColors[colorIndex];
	};
	return self;
});
var Enemy = Container.expand(function (enemyType) {
	var self = Container.call(this);
	self.enemyType = enemyType || 'basic';
	self.pathIndex = 0;
	self.health = 30;
	self.maxHealth = 30;
	self.speed = 2;
	self.reward = 10;
	self.slowed = false;
	self.slowDuration = 0;
	var enemyGraphics;
	if (self.enemyType === 'basic') {
		enemyGraphics = self.attachAsset('basicEnemy', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Increase health every 10 waves
		var healthBonus = Math.floor(wave / 10) * 10; // +10 health per 10 waves
		self.health = 30 + healthBonus;
		self.maxHealth = 30 + healthBonus;
		self.speed = 2;
		self.reward = 10;
	} else if (self.enemyType === 'fast') {
		enemyGraphics = self.attachAsset('fastEnemy', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Increase health every 11 waves
		var healthBonus = Math.floor(wave / 11) * 20; // +20 health per 11 waves
		self.health = 80 + healthBonus;
		self.maxHealth = 80 + healthBonus;
		self.speed = 4;
		self.reward = 15;
	} else if (self.enemyType === 'tank') {
		enemyGraphics = self.attachAsset('tankEnemy', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		// Increase health every 25 waves
		var healthBonus = Math.floor(wave / 25) * 100; // +100 health per 25 waves
		self.health = 400 + healthBonus;
		self.maxHealth = 400 + healthBonus;
		self.speed = 1;
		self.reward = 25;
	} else if (self.enemyType === 'gold') {
		enemyGraphics = self.attachAsset('goldEnemy', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.health = 50;
		self.maxHealth = 50;
		self.speed = 3;
		self.reward = 100; // High reward!
	}
	// Create health bar background
	var healthBarBg = LK.getAsset('pathTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.4,
		scaleY: 0.1
	});
	healthBarBg.y = -enemyGraphics.height / 2 - 20;
	healthBarBg.tint = 0x000000;
	self.addChild(healthBarBg);
	// Create health bar foreground
	var healthBarFg = LK.getAsset('grassTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.4,
		scaleY: 0.1
	});
	healthBarFg.y = -enemyGraphics.height / 2 - 20;
	healthBarFg.tint = 0x00FF00;
	self.addChild(healthBarFg);
	// Create health text to display current health as number
	var healthText = new Text2(self.health.toString(), {
		size: 30,
		fill: 0xFFFFFF
	});
	healthText.anchor.set(0.5, 0.5);
	healthText.y = -enemyGraphics.height / 2 - 20;
	self.addChild(healthText);
	self.healthBarBg = healthBarBg;
	self.healthBarFg = healthBarFg;
	self.healthText = healthText;
	self.updateHealthBar = function () {
		var healthPercent = self.health / self.maxHealth;
		self.healthBarFg.scaleX = 0.4 * healthPercent;
		// Update health text to show current health number
		self.healthText.setText(Math.max(0, self.health).toString());
		// Change color based on health
		if (healthPercent > 0.6) {
			self.healthBarFg.tint = 0x00FF00; // Green
		} else if (healthPercent > 0.3) {
			self.healthBarFg.tint = 0xFFFF00; // Yellow
		} else {
			self.healthBarFg.tint = 0xFF0000; // Red
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		self.updateHealthBar();
		// Add colorful damage flash effect
		var damageFlashColors = [0xFF4444, 0xFF8844, 0xFFFF44, 0x44FF44, 0x4444FF, 0xFF44FF];
		var flashColor = damageFlashColors[Math.floor(Math.random() * damageFlashColors.length)];
		tween(enemyGraphics, {
			tint: flashColor,
			scaleX: 1.2,
			scaleY: 1.2
		}, {
			duration: 120,
			onFinish: function onFinish() {
				tween(enemyGraphics, {
					tint: 0xFFFFFF,
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 180
				});
			}
		});
		LK.getSound('enemyHit').play();
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Basic enemies give 2 coins, others use their reward value
		var coinReward = self.enemyType === 'basic' ? 2 : self.reward;
		coins += coinReward;
		enemiesKilled++;
		killStreak++;
		LK.getSound('enemyDeath').play();
		for (var i = 0; i < enemies.length; i++) {
			if (enemies[i] === self) {
				enemies.splice(i, 1);
				break;
			}
		}
		self.destroy();
		updateUI();
	};
	self.update = function () {
		if (self.slowed) {
			self.slowDuration--;
			if (self.slowDuration <= 0) {
				self.slowed = false;
				// Remove ice tint when slow effect expires
				tween(self, {
					tint: 0xFFFFFF
				}, {
					duration: 200
				});
			}
		}
		if (self.pathIndex >= pathPoints.length - 1) {
			// Game over immediately when any enemy reaches the end
			showCustomGameOver();
			return;
		}
		var currentSpeed = self.slowed ? self.speed * 0.5 : self.speed;
		currentSpeed *= gameSpeed; // Apply game speed multiplier
		var target = pathPoints[self.pathIndex + 1];
		var dx = target.x - self.x;
		var dy = target.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < 10) {
			self.pathIndex++;
		} else {
			var angle = Math.atan2(dy, dx);
			self.x += Math.cos(angle) * currentSpeed;
			self.y += Math.sin(angle) * currentSpeed;
		}
	};
	// Initialize health bar display
	self.updateHealthBar();
	return self;
});
var Tower = Container.expand(function (towerType) {
	var self = Container.call(this);
	self.towerType = towerType || 'basic';
	self.level = 1;
	self.range = 120;
	self.damage = 10;
	self.fireRate = 60;
	self.cost = 50;
	self.upgradeCost = 30;
	self.lastShot = 0;
	self.shotCount = 0; // Track number of shots for splash tower
	var towerGraphics;
	if (self.towerType === 'basic') {
		towerGraphics = self.attachAsset('basicTower', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.damage = 15;
		self.range = 620;
		self.fireRate = 60;
		self.cost = 100;
	} else if (self.towerType === 'splash') {
		towerGraphics = self.attachAsset('splashTower', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.damage = 15;
		self.range = 600;
		self.fireRate = 90;
		self.cost = splashTowerCost;
	} else if (self.towerType === 'slow') {
		towerGraphics = self.attachAsset('slowTower', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.damage = 25;
		self.range = 640;
		self.fireRate = 30;
		self.cost = slowTowerCost;
	} else if (self.towerType === 'sniper') {
		towerGraphics = self.attachAsset('sniperTower', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		self.damage = 100;
		self.range = 1000;
		self.fireRate = 300;
		self.cost = sniperTowerCost;
	}
	self.canShoot = function () {
		return LK.ticks - self.lastShot >= Math.floor(self.fireRate / gameSpeed);
	};
	self.findTarget = function () {
		var closestEnemy = null;
		var closestDistance = self.range;
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var dx = enemy.x - self.x;
			var dy = enemy.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance <= self.range && distance < closestDistance) {
				closestEnemy = enemy;
				closestDistance = distance;
			}
		}
		return closestEnemy;
	};
	self.shoot = function (target) {
		if (!self.canShoot()) return;
		// Add colorful muzzle flash effect when shooting
		var flashColors = {
			'basic': 0xFFD700,
			'splash': 0x00AAFF,
			'slow': 0x87CEEB,
			'sniper': 0xFF4500
		};
		tween(towerGraphics, {
			scaleX: 1.2,
			scaleY: 1.2,
			tint: flashColors[self.towerType] || 0xFFFFFF
		}, {
			duration: 100,
			onFinish: function onFinish() {
				tween(towerGraphics, {
					scaleX: 1.0,
					scaleY: 1.0,
					tint: 0xFFFFFF
				}, {
					duration: 150
				});
			}
		});
		if (self.towerType === 'basic') {
			// Fire single bullet for basic tower
			var bullet = new Bullet(self.damage, target);
			bullet.x = self.x;
			bullet.y = self.y;
			bullets.push(bullet);
			game.addChild(bullet);
		} else if (self.towerType === 'splash') {
			// Splash tower fires waterball bullets and leaves watercharc damage
			var bullet = new Bullet(self.damage, target, 'waterball');
			bullet.x = self.x;
			bullet.y = self.y;
			bullet.isSplash = true; // Mark as splash bullet
			self.shotCount++; // Increment shot counter
			// Only create water damage after 10 shots
			if (self.shotCount >= 10) {
				bullet.createWaterDamage = true;
				self.shotCount = 0; // Reset counter
			}
			bullets.push(bullet);
			game.addChild(bullet);
		} else if (self.towerType === 'slow') {
			// Slow tower fires iceball bullets
			var bullet = new Bullet(self.damage, target, 'iceball');
			bullet.x = self.x;
			bullet.y = self.y;
			bullets.push(bullet);
			game.addChild(bullet);
		} else if (self.towerType === 'sniper') {
			// Sniper tower fires sniperball bullets
			var bullet = new Bullet(self.damage, target, 'sniperball');
			bullet.x = self.x;
			bullet.y = self.y;
			bullets.push(bullet);
			game.addChild(bullet);
		} else {
			// Other tower types fire single bullet
			var bullet = new Bullet(self.damage, target);
			bullet.x = self.x;
			bullet.y = self.y;
			bullets.push(bullet);
			game.addChild(bullet);
		}
		self.lastShot = LK.ticks;
		LK.getSound('shoot').play();
	};
	self.upgrade = function () {
		if (coins >= self.upgradeCost && self.level < 3) {
			coins -= self.upgradeCost;
			self.level++;
			self.damage = Math.floor(self.damage * 1.5);
			self.range += 20;
			self.upgradeCost = Math.floor(self.upgradeCost * 1.5);
			updateUI();
		}
	};
	self.update = function () {
		var target = self.findTarget();
		if (target) {
			self.shoot(target);
		}
	};
	self.down = function (x, y, obj) {
		selectedTower = self;
		showTowerMenu = true;
		updateUI();
	};
	return self;
});
var WaterDamage = Container.expand(function (x, y, damage) {
	var self = Container.call(this);
	var waterGraphics = self.attachAsset('watercharc', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = x;
	self.y = y;
	self.damage = damage || 5; // Damage per tick
	self.radius = 80; // Damage radius
	self.lifetime = 300; // 5 seconds at 60fps
	self.damageInterval = 30; // Damage every 0.5 seconds
	self.lastDamageTick = 0;
	waterGraphics.alpha = 0.7;
	waterGraphics.tint = 0x00AAFF;
	// Animate the water area appearance
	waterGraphics.scaleX = 0.5;
	waterGraphics.scaleY = 0.5;
	tween(waterGraphics, {
		scaleX: 1.0,
		scaleY: 1.0
	}, {
		duration: 200
	});
	self.update = function () {
		self.lifetime--;
		// Apply damage to enemies in range at intervals
		if (LK.ticks - self.lastDamageTick >= self.damageInterval) {
			for (var i = 0; i < enemies.length; i++) {
				var enemy = enemies[i];
				var dx = enemy.x - self.x;
				var dy = enemy.y - self.y;
				var distance = Math.sqrt(dx * dx + dy * dy);
				if (distance <= self.radius) {
					enemy.takeDamage(self.damage);
				}
			}
			self.lastDamageTick = LK.ticks;
		}
		// Fade out as lifetime decreases
		if (self.lifetime < 60) {
			// Start fading in last second
			waterGraphics.alpha = 0.7 * (self.lifetime / 60);
		}
		// Remove when lifetime expires
		if (self.lifetime <= 0) {
			self.destroy();
			// Remove from waterDamageAreas array
			for (var j = waterDamageAreas.length - 1; j >= 0; j--) {
				if (waterDamageAreas[j] === self) {
					waterDamageAreas.splice(j, 1);
					break;
				}
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x8b4513 // Brown color
});

/**** 
* Game Code
****/ 
// Game state management
var gameState = 'home'; // 'home', 'playing'
var homeScreen = null;
var gridSize = 100;
var gridWidth = 20;
var gridHeight = 27;
var pathPoints = [{
	x: 0,
	y: 400
}, {
	x: 300,
	y: 400
}, {
	x: 300,
	y: 800
}, {
	x: 700,
	y: 800
}, {
	x: 700,
	y: 1200
}, {
	x: 1100,
	y: 1200
}, {
	x: 1100,
	y: 1600
}, {
	x: 1500,
	y: 1600
}, {
	x: 1500,
	y: 2000
}, {
	x: 2048,
	y: 2000
}];
var gameGrid = [];
var towers = [];
var enemies = [];
var bullets = [];
var waterDamageAreas = [];
var coins = 200;
var lives = 20;
var wave = 1;
var enemiesKilled = 0;
var killStreak = 0;
var lastLives = 20;
var enemiesSpawned = 0;
var enemiesPerWave = 10;
var spawnTimer = 0;
var waveInProgress = false;
var selectedTower = null;
var showTowerMenu = false;
var towerMenuButtons = [];
var slowTowerCost = 500; // Track dynamic slow tower cost
var splashTowerCost = 350; // Track dynamic splash tower cost
var sniperTowerCost = 1000; // Track dynamic sniper tower cost
// Create grid
for (var y = 0; y < gridHeight; y++) {
	gameGrid[y] = [];
	for (var x = 0; x < gridWidth; x++) {
		gameGrid[y][x] = {
			x: x * gridSize + 50,
			y: y * gridSize + 50,
			occupied: false,
			isPath: false
		};
	}
}
// Mark path tiles
for (var i = 0; i < pathPoints.length - 1; i++) {
	var start = pathPoints[i];
	var end = pathPoints[i + 1];
	var steps = Math.max(Math.abs(end.x - start.x), Math.abs(end.y - start.y)) / gridSize;
	for (var step = 0; step <= steps; step++) {
		var x = Math.floor((start.x + (end.x - start.x) * step / steps) / gridSize);
		var y = Math.floor((start.y + (end.y - start.y) * step / steps) / gridSize);
		if (x >= 0 && x < gridWidth && y >= 0 && y < gridHeight) {
			gameGrid[y][x].isPath = true;
		}
	}
}
// Create visual grid
for (var y = 0; y < gridHeight; y++) {
	for (var x = 0; x < gridWidth; x++) {
		var tile;
		if (gameGrid[y][x].isPath) {
			tile = LK.getAsset('pathTile', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else {
			tile = LK.getAsset('grassTile', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		}
		tile.x = gameGrid[y][x].x;
		tile.y = gameGrid[y][x].y;
		tile.alpha = 0.3;
		game.addChild(tile);
	}
}
// UI Elements
var coinsText = new Text2('Coins: ' + coins, {
	size: 60,
	fill: 0xFFD700
});
coinsText.anchor.set(1, 0);
LK.gui.topRight.addChild(coinsText);
// Add continuous rainbow animation to coins text
function animateCoinsText() {
	var rainbowColors = [0xFFD700, 0xFF6B35, 0xF7931E, 0xFFD700, 0x00FF7F, 0x1E90FF, 0x9370DB];
	var colorIndex = Math.floor(LK.ticks / 30 % rainbowColors.length);
	tween(coinsText, {
		tint: rainbowColors[colorIndex],
		scaleX: 1.1,
		scaleY: 1.1
	}, {
		duration: 200,
		onFinish: function onFinish() {
			tween(coinsText, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 200
			});
		}
	});
}
var livesText = new Text2('Lives: ' + lives, {
	size: 50,
	fill: 0xFFFFFF
});
livesText.anchor.set(0, 0);
LK.gui.topRight.addChild(livesText);
var waveText = new Text2('Wave: ' + wave, {
	size: 50,
	fill: 0xFFFFFF
});
waveText.anchor.set(0.5, 0);
LK.gui.top.addChild(waveText);
var startWaveButton = new Text2('🚀 START WAVE 🚀', {
	size: 80,
	fill: 0x00FF00
});
startWaveButton.anchor.set(0.5, 1);
LK.gui.bottom.addChild(startWaveButton);
// Add colorful tween animation to make it more eye-catching
function animateStartButton() {
	tween(startWaveButton, {
		scaleX: 1.2,
		scaleY: 1.2
	}, {
		duration: 500,
		onFinish: function onFinish() {
			tween(startWaveButton, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 500,
				onFinish: animateStartButton
			});
		}
	});
}
animateStartButton();
// Show home screen instead of starting immediately
createHomeScreen();
// Tower selection buttons
var basicTowerButton = new Text2('Basic ($100)', {
	size: 80,
	fill: 0xFFFFFF
});
basicTowerButton.anchor.set(0, 1);
LK.gui.bottomLeft.addChild(basicTowerButton);
var splashTowerButton = new Text2('Splash ($' + splashTowerCost + ')', {
	size: 80,
	fill: 0xFFFFFF
});
splashTowerButton.anchor.set(0, 1);
LK.gui.bottomLeft.addChild(splashTowerButton);
var slowTowerButton = new Text2('Slow ($' + slowTowerCost + ')', {
	size: 80,
	fill: 0xFFFFFF
});
slowTowerButton.anchor.set(0, 1);
LK.gui.bottomLeft.addChild(slowTowerButton);
var sniperTowerButton = new Text2('Sniper ($' + sniperTowerCost + ')', {
	size: 80,
	fill: 0xFFFFFF
});
sniperTowerButton.anchor.set(0, 1);
LK.gui.bottomLeft.addChild(sniperTowerButton);
// Create shovel button for tower elimination
var shovelButton = new Text2('🔨', {
	size: 120,
	fill: 0xFFFFFF
});
shovelButton.anchor.set(0.5, 0.5);
LK.gui.right.addChild(shovelButton);
// Create restart button on the left center
var restartGameButton = new Text2('🔄', {
	size: 120,
	fill: 0xFFFFFF
});
restartGameButton.anchor.set(0.5, 0.5);
LK.gui.left.addChild(restartGameButton);
// Position tower buttons
basicTowerButton.y = -400;
splashTowerButton.y = -300;
slowTowerButton.y = -200;
sniperTowerButton.y = -100;
coinsText.y = 50;
livesText.y = 100;
var selectedTowerType = 'basic';
var shovelMode = false;
var isPaused = false;
var pauseMenu = null;
var pauseButton = null;
var restartButton = null;
var exitButton = null;
var musicButton = null;
var musicEnabled = true;
var gameOverMenu = null;
function createHomeScreen() {
	if (homeScreen) return; // Already created
	homeScreen = new Container();
	// Create animated background
	var background = LK.getAsset('pathTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 32,
		scaleY: 45
	});
	background.tint = 0x2c3e50;
	background.alpha = 0.95;
	background.x = 1024;
	background.y = 1366;
	homeScreen.addChild(background);
	// Create game title with shadow effect
	var shadowTitle = new Text2('TOWER DEFENSE', {
		size: 160,
		fill: 0x000000
	});
	shadowTitle.anchor.set(0.5, 0.5);
	shadowTitle.x = 1029; // Slight offset for shadow
	shadowTitle.y = 505;
	homeScreen.addChild(shadowTitle);
	var gameTitle = new Text2('TOWER DEFENSE', {
		size: 160,
		fill: 0xe74c3c
	});
	gameTitle.anchor.set(0.5, 0.5);
	gameTitle.x = 1024;
	gameTitle.y = 500;
	homeScreen.addChild(gameTitle);
	// Create subtitle
	var subtitle = new Text2('Defend Your Path!', {
		size: 80,
		fill: 0x3498db
	});
	subtitle.anchor.set(0.5, 0.5);
	subtitle.x = 1024;
	subtitle.y = 650;
	homeScreen.addChild(subtitle);
	// Create start button
	var startBg = LK.getAsset('basicTower', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 4,
		scaleY: 2
	});
	startBg.tint = 0x27ae60;
	startBg.x = 1024;
	startBg.y = 900;
	homeScreen.addChild(startBg);
	var startButton = new Text2('🎮 START GAME', {
		size: 90,
		fill: 0xffffff
	});
	startButton.anchor.set(0.5, 0.5);
	startButton.x = 1024;
	startButton.y = 900;
	homeScreen.addChild(startButton);
	// Create instructions
	var instructionsTitle = new Text2('HOW TO PLAY:', {
		size: 60,
		fill: 0xf39c12
	});
	instructionsTitle.anchor.set(0.5, 0.5);
	instructionsTitle.x = 1024;
	instructionsTitle.y = 1200;
	homeScreen.addChild(instructionsTitle);
	var instruction1 = new Text2('• Tap tower buttons to select type', {
		size: 45,
		fill: 0xffffff
	});
	instruction1.anchor.set(0.5, 0.5);
	instruction1.x = 1024;
	instruction1.y = 1300;
	homeScreen.addChild(instruction1);
	var instruction2 = new Text2('• Tap empty grass to place towers', {
		size: 45,
		fill: 0xffffff
	});
	instruction2.anchor.set(0.5, 0.5);
	instruction2.x = 1024;
	instruction2.y = 1350;
	homeScreen.addChild(instruction2);
	var instruction3 = new Text2('• Stop enemies from reaching the end!', {
		size: 45,
		fill: 0xffffff
	});
	instruction3.anchor.set(0.5, 0.5);
	instruction3.x = 1024;
	instruction3.y = 1400;
	homeScreen.addChild(instruction3);
	var instruction4 = new Text2('• Use speed x2 button to fast forward', {
		size: 45,
		fill: 0xffffff
	});
	instruction4.anchor.set(0.5, 0.5);
	instruction4.x = 1024;
	instruction4.y = 1450;
	homeScreen.addChild(instruction4);
	// Create decorative tower icons
	var basicIcon = LK.getAsset('basicTower', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	basicIcon.x = 300;
	basicIcon.y = 1600;
	homeScreen.addChild(basicIcon);
	var splashIcon = LK.getAsset('splashTower', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	splashIcon.x = 700;
	splashIcon.y = 1600;
	homeScreen.addChild(splashIcon);
	var slowIcon = LK.getAsset('slowTower', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	slowIcon.x = 1300;
	slowIcon.y = 1600;
	homeScreen.addChild(slowIcon);
	var sniperIcon = LK.getAsset('sniperTower', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	sniperIcon.x = 1700;
	sniperIcon.y = 1600;
	homeScreen.addChild(sniperIcon);
	// Add floating animation to icons
	tween(basicIcon, {
		y: basicIcon.y + 20
	}, {
		duration: 2000,
		loop: true,
		yoyo: true
	});
	tween(splashIcon, {
		y: splashIcon.y + 20
	}, {
		duration: 2200,
		loop: true,
		yoyo: true
	});
	tween(slowIcon, {
		y: slowIcon.y + 20
	}, {
		duration: 2400,
		loop: true,
		yoyo: true
	});
	tween(sniperIcon, {
		y: sniperIcon.y + 20
	}, {
		duration: 2600,
		loop: true,
		yoyo: true
	});
	// Add button event handler
	startButton.down = function () {
		tween(startButton, {
			scaleX: 0.9,
			scaleY: 0.9,
			tint: 0x2ecc71
		}, {
			duration: 100,
			onFinish: function onFinish() {
				startGame();
			}
		});
	};
	// Animate title pulsing
	function animateTitle() {
		tween(gameTitle, {
			scaleX: 1.1,
			scaleY: 1.1,
			tint: 0xff6b6b
		}, {
			duration: 2000,
			onFinish: function onFinish() {
				tween(gameTitle, {
					scaleX: 1.0,
					scaleY: 1.0,
					tint: 0xe74c3c
				}, {
					duration: 2000,
					onFinish: animateTitle
				});
			}
		});
	}
	animateTitle();
	// Animate start button
	function animateStartButton() {
		tween(startButton, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 1500,
			onFinish: function onFinish() {
				tween(startButton, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 1500,
					onFinish: animateStartButton
				});
			}
		});
	}
	animateStartButton();
	game.addChild(homeScreen);
}
function startGame() {
	gameState = 'playing';
	if (homeScreen) {
		homeScreen.destroy();
		homeScreen = null;
	}
	// Start playing background music
	LK.playMusic('bgmusic', {
		volume: 1.0
	});
}
function showCustomGameOver() {
	if (gameOverMenu) return; // Already showing
	isPaused = true;
	// Create game over menu container
	gameOverMenu = new Container();
	// Create animated background with gradient effect
	var background1 = LK.getAsset('pathTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 32,
		scaleY: 45
	});
	background1.tint = 0x1a1a2e;
	background1.alpha = 0.95;
	background1.x = 1024;
	background1.y = 1366;
	gameOverMenu.addChild(background1);
	// Create decorative border elements
	var borderTop = LK.getAsset('grassTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 30,
		scaleY: 1
	});
	borderTop.tint = 0xe74c3c;
	borderTop.x = 1024;
	borderTop.y = 300;
	gameOverMenu.addChild(borderTop);
	var borderBottom = LK.getAsset('grassTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 30,
		scaleY: 1
	});
	borderBottom.tint = 0xe74c3c;
	borderBottom.x = 1024;
	borderBottom.y = 2400;
	gameOverMenu.addChild(borderBottom);
	// Create large "GAME OVER" title with shadow effect
	var shadowText = new Text2('GAME OVER', {
		size: 140,
		fill: 0x000000
	});
	shadowText.anchor.set(0.5, 0.5);
	shadowText.x = 1029; // Slight offset for shadow
	shadowText.y = 605;
	gameOverMenu.addChild(shadowText);
	var titleText = new Text2('GAME OVER', {
		size: 140,
		fill: 0xe74c3c
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 1024;
	titleText.y = 600;
	gameOverMenu.addChild(titleText);
	// Create colorful stats display
	var statsContainer = new Container();
	// Stats background
	var statsBg = LK.getAsset('slowTower', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 12,
		scaleY: 8
	});
	statsBg.tint = 0x16213e;
	statsBg.alpha = 0.8;
	statsBg.x = 1024;
	statsBg.y = 1000;
	statsContainer.addChild(statsBg);
	// Wave reached text
	var waveReachedText = new Text2('Wave Reached: ' + wave, {
		size: 60,
		fill: 0x3498db
	});
	waveReachedText.anchor.set(0.5, 0.5);
	waveReachedText.x = 1024;
	waveReachedText.y = 850;
	statsContainer.addChild(waveReachedText);
	// Enemies killed text
	var killsText = new Text2('Enemies Defeated: ' + enemiesKilled, {
		size: 60,
		fill: 0x2ecc71
	});
	killsText.anchor.set(0.5, 0.5);
	killsText.x = 1024;
	killsText.y = 950;
	statsContainer.addChild(killsText);
	// Final score text
	var finalScore = wave * 100 + enemiesKilled * 10;
	var scoreText = new Text2('Final Score: ' + finalScore, {
		size: 60,
		fill: 0xf39c12
	});
	scoreText.anchor.set(0.5, 0.5);
	scoreText.x = 1024;
	scoreText.y = 1050;
	statsContainer.addChild(scoreText);
	// Best streak text
	var streakText = new Text2('Best Streak: ' + killStreak, {
		size: 60,
		fill: 0x9b59b6
	});
	streakText.anchor.set(0.5, 0.5);
	streakText.x = 1024;
	streakText.y = 1150;
	statsContainer.addChild(streakText);
	gameOverMenu.addChild(statsContainer);
	// Create animated restart button with glow effect
	var restartBg = LK.getAsset('basicTower', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 3,
		scaleY: 1.5
	});
	restartBg.tint = 0x27ae60;
	restartBg.x = 1024;
	restartBg.y = 1400;
	gameOverMenu.addChild(restartBg);
	var restartGameButton = new Text2('🔄 PLAY AGAIN', {
		size: 70,
		fill: 0xffffff
	});
	restartGameButton.anchor.set(0.5, 0.5);
	restartGameButton.x = 1024;
	restartGameButton.y = 1400;
	gameOverMenu.addChild(restartGameButton);
	// Create animated exit button
	var exitBg = LK.getAsset('sniperTower', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 3,
		scaleY: 1.5
	});
	exitBg.tint = 0xc0392b;
	exitBg.x = 1024;
	exitBg.y = 1600;
	gameOverMenu.addChild(exitBg);
	var exitGameButton = new Text2('❌ EXIT GAME', {
		size: 70,
		fill: 0xffffff
	});
	exitGameButton.anchor.set(0.5, 0.5);
	exitGameButton.x = 1024;
	exitGameButton.y = 1600;
	gameOverMenu.addChild(exitGameButton);
	// Add floating decorative elements
	for (var i = 0; i < 8; i++) {
		var decoration = LK.getAsset('waterball', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.3,
			scaleY: 0.3
		});
		decoration.tint = [0xe74c3c, 0x3498db, 0x2ecc71, 0xf39c12, 0x9b59b6][i % 5];
		decoration.alpha = 0.6;
		decoration.x = 200 + i * 225;
		decoration.y = 400 + Math.sin(i) * 100;
		gameOverMenu.addChild(decoration);
		// Animate decorations
		tween(decoration, {
			y: decoration.y + 50,
			rotation: Math.PI * 2
		}, {
			duration: 2000 + i * 200,
			loop: true,
			yoyo: true
		});
	}
	// Add button event handlers
	restartGameButton.down = function () {
		tween(restartGameButton, {
			scaleX: 0.9,
			scaleY: 0.9,
			tint: 0x2ecc71
		}, {
			duration: 100,
			onFinish: function onFinish() {
				LK.showGameOver();
			}
		});
	};
	exitGameButton.down = function () {
		tween(exitGameButton, {
			scaleX: 0.9,
			scaleY: 0.9,
			tint: 0xe74c3c
		}, {
			duration: 100,
			onFinish: function onFinish() {
				LK.showGameOver();
			}
		});
	};
	// Animate title text with pulsing effect
	function animateTitle() {
		tween(titleText, {
			scaleX: 1.1,
			scaleY: 1.1,
			tint: 0xff6b6b
		}, {
			duration: 1000,
			onFinish: function onFinish() {
				tween(titleText, {
					scaleX: 1.0,
					scaleY: 1.0,
					tint: 0xe74c3c
				}, {
					duration: 1000,
					onFinish: animateTitle
				});
			}
		});
	}
	animateTitle();
	// Animate stats container entrance
	statsContainer.alpha = 0;
	statsContainer.scaleX = 0.5;
	statsContainer.scaleY = 0.5;
	tween(statsContainer, {
		alpha: 1,
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 800,
		delay: 500
	});
	game.addChild(gameOverMenu);
}
// Create pause button in top right corner
pauseButton = new Text2('⏸', {
	size: 60,
	fill: 0xFFFFFF
});
pauseButton.anchor.set(0, 0);
pauseButton.x = 150; // Offset from top right to avoid overlap with coins
pauseButton.y = 0;
LK.gui.topRight.addChild(pauseButton);
// Create speed x2 button
var speedButton = new Text2('x1', {
	size: 50,
	fill: 0x00FF00
});
speedButton.anchor.set(0.5, 0);
speedButton.x = 0; // Center horizontally
speedButton.y = 80; // Position below wave text
LK.gui.top.addChild(speedButton);
// Game speed state
var gameSpeed = 1;
function createPauseMenu() {
	if (pauseMenu) return; // Already created
	// Create semi-transparent background
	pauseMenu = new Container();
	var background = LK.getAsset('pathTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 30,
		scaleY: 40
	});
	background.tint = 0x000000;
	background.alpha = 0.7;
	background.x = 1024;
	background.y = 1366;
	pauseMenu.addChild(background);
	// Create menu title
	var titleText = new Text2('PAUSED', {
		size: 80,
		fill: 0xFFFFFF
	});
	titleText.anchor.set(0.5, 0.5);
	titleText.x = 1024;
	titleText.y = 800;
	pauseMenu.addChild(titleText);
	// Create restart button
	restartButton = new Text2('RESTART', {
		size: 60,
		fill: 0x00FF00
	});
	restartButton.anchor.set(0.5, 0.5);
	restartButton.x = 1024;
	restartButton.y = 1000;
	pauseMenu.addChild(restartButton);
	// Create exit button
	exitButton = new Text2('EXIT', {
		size: 60,
		fill: 0xFF0000
	});
	exitButton.anchor.set(0.5, 0.5);
	exitButton.x = 1024;
	exitButton.y = 1200;
	pauseMenu.addChild(exitButton);
	// Create music toggle button
	musicButton = new Text2(musicEnabled ? 'MUSIC: ON' : 'MUSIC: OFF', {
		size: 60,
		fill: 0xFFFFFF
	});
	musicButton.tint = musicEnabled ? 0x00FFFF : 0x888888;
	musicButton.anchor.set(0.5, 0.5);
	musicButton.x = 1024;
	musicButton.y = 1400;
	pauseMenu.addChild(musicButton);
	// Create resume button
	var resumeButton = new Text2('RESUME', {
		size: 60,
		fill: 0xFFFF00
	});
	resumeButton.anchor.set(0.5, 0.5);
	resumeButton.x = 1024;
	resumeButton.y = 1600;
	pauseMenu.addChild(resumeButton);
	// Add event handlers
	restartButton.down = function () {
		LK.showGameOver(); // Restart the game
	};
	exitButton.down = function () {
		showCustomGameOver(); // Exit to custom game over screen
	};
	musicButton.down = function () {
		musicEnabled = !musicEnabled;
		if (musicEnabled) {
			LK.playMusic('bgmusic', {
				volume: 1.0
			});
			musicButton.setText('MUSIC: ON');
			musicButton.tint = 0x00FFFF;
		} else {
			LK.stopMusic();
			musicButton.setText('MUSIC: OFF');
			musicButton.tint = 0x888888;
		}
	};
	resumeButton.down = function () {
		togglePause();
	};
	game.addChild(pauseMenu);
}
function togglePause() {
	isPaused = !isPaused;
	if (isPaused) {
		createPauseMenu();
		pauseMenu.visible = true;
	} else {
		if (pauseMenu) {
			pauseMenu.visible = false;
		}
	}
}
function showExitButton() {
	isPaused = true;
	if (!exitButton) {
		// Create exit button if it doesn't exist
		exitButton = new Text2('EXIT GAME', {
			size: 60,
			fill: 0xFF0000
		});
		exitButton.anchor.set(0.5, 0.5);
		exitButton.x = 1024;
		exitButton.y = 1366;
		exitButton.down = function () {
			showCustomGameOver(); // Exit to custom game over screen
		};
		game.addChild(exitButton);
	} else {
		exitButton.visible = true;
	}
}
function updateUI() {
	var coinDisplay = 'Coins: ' + coins;
	coinsText.setText(coinDisplay);
	livesText.setText('Lives: ' + lives);
	waveText.setText('Wave: ' + wave);
	if (showTowerMenu && selectedTower) {
		// Show upgrade option
	}
}
function getGridPosition(x, y) {
	var gridX = Math.floor(x / gridSize);
	var gridY = Math.floor(y / gridSize);
	if (gridX >= 0 && gridX < gridWidth && gridY >= 0 && gridY < gridHeight) {
		return gameGrid[gridY][gridX];
	}
	return null;
}
function canPlaceTower(gridPos) {
	return gridPos && !gridPos.occupied && !gridPos.isPath;
}
function spawnEnemy() {
	var enemyType = 'basic';
	var rand = Math.random();
	// Every 15 waves is a golden enemy wave
	if (wave % 15 === 0) {
		enemyType = 'gold';
	} else if (wave === 1) {
		// Only basic enemies in wave 1
		enemyType = 'basic';
	} else {
		// 5% chance for gold enemy (high reward, low health)
		if (rand < 0.05) {
			enemyType = 'gold';
		} else if (wave >= 11) {
			if (rand < 0.3) enemyType = 'fast';else if (rand < 0.6) enemyType = 'tank';
		} else if (wave > 5) {
			if (rand < 0.3) enemyType = 'fast';
		} else if (wave >= 4) {
			if (rand < 0.2) enemyType = 'fast';
		}
	}
	var enemy = new Enemy(enemyType);
	enemy.x = pathPoints[0].x;
	enemy.y = pathPoints[0].y;
	enemies.push(enemy);
	game.addChild(enemy);
	enemiesSpawned++;
}
function startWave() {
	if (waveInProgress) return;
	if (waveInProgress) return;
	waveInProgress = true;
	enemiesSpawned = 0;
	enemiesPerWave = 10 + wave * 2;
	spawnTimer = 0;
	showTowerMenu = false;
	selectedTower = null;
	// Shovel mode can now be used continuously without resetting
	// Shovel mode never wears out and persists throughout the game
	// Display wave start message
	showWaveStartMessage();
}
function showWaveStartMessage() {
	// Create wave message container
	var waveMessage = new Container();
	waveMessage.x = 1024;
	waveMessage.y = 1366;
	// Create background for message
	var messageBg = LK.getAsset('pathTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 12,
		scaleY: 3
	});
	messageBg.tint = 0x2c3e50;
	messageBg.alpha = 0.9;
	waveMessage.addChild(messageBg);
	// Create wave start text
	var waveStartText = new Text2('WAVE ' + wave + ' STARTED!', {
		size: 80,
		fill: 0xf39c12
	});
	waveStartText.anchor.set(0.5, 0.5);
	waveMessage.addChild(waveStartText);
	// Create decorative elements
	var leftDecoration = LK.getAsset('waterball', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 0.5
	});
	leftDecoration.tint = 0xe74c3c;
	leftDecoration.x = -300;
	waveMessage.addChild(leftDecoration);
	var rightDecoration = LK.getAsset('waterball', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.5,
		scaleY: 0.5
	});
	rightDecoration.tint = 0x3498db;
	rightDecoration.x = 300;
	waveMessage.addChild(rightDecoration);
	// Add to game
	game.addChild(waveMessage);
	// Initial state for animation
	waveMessage.alpha = 0;
	waveMessage.scaleX = 0.5;
	waveMessage.scaleY = 0.5;
	waveStartText.scaleX = 0.8;
	waveStartText.scaleY = 0.8;
	// Animate message entrance
	tween(waveMessage, {
		alpha: 1,
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 300,
		easing: tween.easeOut
	});
	// Animate text pulsing
	tween(waveStartText, {
		scaleX: 1.2,
		scaleY: 1.2
	}, {
		duration: 400,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(waveStartText, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 300
			});
		}
	});
	// Animate decorations spinning
	tween(leftDecoration, {
		rotation: Math.PI * 2
	}, {
		duration: 1000
	});
	tween(rightDecoration, {
		rotation: -Math.PI * 2
	}, {
		duration: 1000
	});
	// Remove message after 2 seconds
	LK.setTimeout(function () {
		tween(waveMessage, {
			alpha: 0,
			scaleY: 0
		}, {
			duration: 400,
			onFinish: function onFinish() {
				waveMessage.destroy();
			}
		});
	}, 2000);
}
function showWaveCompletionMessage() {
	// Create wave completion message container
	var completionMessage = new Container();
	completionMessage.x = 1024;
	completionMessage.y = 1366;
	// Create background for message
	var messageBg = LK.getAsset('pathTile', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 14,
		scaleY: 4
	});
	messageBg.tint = 0x27ae60;
	messageBg.alpha = 0.9;
	completionMessage.addChild(messageBg);
	// Create wave completion text
	var completionText = new Text2('WAVE ' + (wave - 1) + ' COMPLETED!', {
		size: 70,
		fill: 0xffffff
	});
	completionText.anchor.set(0.5, 0.5);
	completionMessage.addChild(completionText);
	// Create bonus text
	var bonusText = new Text2('BONUS: +' + (50 + Math.floor(coins * 0.1)) + ' COINS', {
		size: 50,
		fill: 0xf1c40f
	});
	bonusText.anchor.set(0.5, 0.5);
	bonusText.y = 60;
	completionMessage.addChild(bonusText);
	// Create decorative victory elements
	var leftStar = LK.getAsset('waterball', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.4,
		scaleY: 0.4
	});
	leftStar.tint = 0xf39c12;
	leftStar.x = -350;
	completionMessage.addChild(leftStar);
	var rightStar = LK.getAsset('waterball', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.4,
		scaleY: 0.4
	});
	rightStar.tint = 0x9b59b6;
	rightStar.x = 350;
	completionMessage.addChild(rightStar);
	// Add sparkle effects
	for (var i = 0; i < 6; i++) {
		var sparkle = LK.getAsset('watercharc', {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 0.2,
			scaleY: 0.2
		});
		sparkle.tint = [0xe74c3c, 0x3498db, 0x2ecc71, 0xf39c12, 0x9b59b6, 0xe67e22][i];
		sparkle.alpha = 0.8;
		sparkle.x = -200 + i * 80;
		sparkle.y = -80 + Math.sin(i) * 40;
		completionMessage.addChild(sparkle);
		// Animate sparkles with rotation and scaling
		tween(sparkle, {
			rotation: Math.PI * 2,
			scaleX: 0.4,
			scaleY: 0.4
		}, {
			duration: 1500,
			easing: tween.easeInOut
		});
	}
	// Add to game
	game.addChild(completionMessage);
	// Initial state for animation
	completionMessage.alpha = 0;
	completionMessage.scaleX = 0.3;
	completionMessage.scaleY = 0.3;
	completionText.scaleX = 0.5;
	completionText.scaleY = 0.5;
	// Animate message entrance with bounce effect
	tween(completionMessage, {
		alpha: 1,
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 500,
		easing: tween.easeOut
	});
	// Animate main text with celebration effect
	tween(completionText, {
		scaleX: 1.3,
		scaleY: 1.3,
		tint: 0x2ecc71
	}, {
		duration: 600,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(completionText, {
				scaleX: 1.0,
				scaleY: 1.0,
				tint: 0xffffff
			}, {
				duration: 400
			});
		}
	});
	// Animate bonus text pulsing
	tween(bonusText, {
		scaleX: 1.2,
		scaleY: 1.2
	}, {
		duration: 300,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(bonusText, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 300
			});
		}
	});
	// Animate stars spinning and scaling
	tween(leftStar, {
		rotation: Math.PI * 3,
		scaleX: 0.8,
		scaleY: 0.8
	}, {
		duration: 2000,
		easing: tween.easeInOut
	});
	tween(rightStar, {
		rotation: -Math.PI * 3,
		scaleX: 0.8,
		scaleY: 0.8
	}, {
		duration: 2000,
		easing: tween.easeInOut
	});
	// Remove message after 2.5 seconds
	LK.setTimeout(function () {
		tween(completionMessage, {
			alpha: 0,
			scaleY: 0
		}, {
			duration: 500,
			onFinish: function onFinish() {
				completionMessage.destroy();
			}
		});
	}, 2500);
}
// Event handlers
startWaveButton.down = function () {
	// Add touch animation - scale down then back up
	tween(startWaveButton, {
		scaleX: 0.8,
		scaleY: 0.8,
		tint: 0x00AAFF
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(startWaveButton, {
				scaleX: 1.0,
				scaleY: 1.0,
				tint: 0xFFFFFF
			}, {
				duration: 150
			});
		}
	});
	startWave();
};
basicTowerButton.down = function () {
	// Add touch animation - scale down and tint, then back up
	tween(basicTowerButton, {
		scaleX: 0.8,
		scaleY: 0.8,
		tint: 0x00FF00
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(basicTowerButton, {
				scaleX: 1.0,
				scaleY: 1.0,
				tint: 0xFFFFFF
			}, {
				duration: 150
			});
		}
	});
	selectedTowerType = 'basic';
	showTowerMenu = false;
};
splashTowerButton.down = function () {
	// Add touch animation - scale down and tint, then back up
	tween(splashTowerButton, {
		scaleX: 0.8,
		scaleY: 0.8,
		tint: 0xe74c3c
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(splashTowerButton, {
				scaleX: 1.0,
				scaleY: 1.0,
				tint: 0xFFFFFF
			}, {
				duration: 150
			});
		}
	});
	selectedTowerType = 'splash';
	showTowerMenu = false;
};
slowTowerButton.down = function () {
	// Add touch animation - scale down and tint, then back up
	tween(slowTowerButton, {
		scaleX: 0.8,
		scaleY: 0.8,
		tint: 0x9b59b6
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(slowTowerButton, {
				scaleX: 1.0,
				scaleY: 1.0,
				tint: 0xFFFFFF
			}, {
				duration: 150
			});
		}
	});
	selectedTowerType = 'slow';
	showTowerMenu = false;
};
sniperTowerButton.down = function () {
	// Add touch animation - scale down and tint, then back up
	tween(sniperTowerButton, {
		scaleX: 0.8,
		scaleY: 0.8,
		tint: 0x2ecc71
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(sniperTowerButton, {
				scaleX: 1.0,
				scaleY: 1.0,
				tint: 0xFFFFFF
			}, {
				duration: 150
			});
		}
	});
	selectedTowerType = 'sniper';
	showTowerMenu = false;
};
pauseButton.down = function () {
	// Add touch animation
	tween(pauseButton, {
		scaleX: 0.8,
		scaleY: 0.8,
		tint: 0x00AAFF
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(pauseButton, {
				scaleX: 1.0,
				scaleY: 1.0,
				tint: 0xFFFFFF
			}, {
				duration: 150
			});
		}
	});
	showExitButton();
};
speedButton.down = function () {
	// Toggle speed between x1 and x2
	gameSpeed = gameSpeed === 1 ? 2 : 1;
	speedButton.setText('x' + gameSpeed);
	speedButton.tint = gameSpeed === 2 ? 0xFF6600 : 0x00FF00;
	// Add touch animation
	tween(speedButton, {
		scaleX: 0.8,
		scaleY: 0.8
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(speedButton, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 150
			});
		}
	});
};
shovelButton.down = function () {
	// Toggle shovel mode
	shovelMode = !shovelMode;
	shovelButton.tint = shovelMode ? 0xFF0000 : 0xFFFFFF;
	shovelButton.setText(shovelMode ? '🔨' : '🔨');
	// Add touch animation
	tween(shovelButton, {
		scaleX: 0.8,
		scaleY: 0.8
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(shovelButton, {
				scaleX: 1.0,
				scaleY: 1.0
			}, {
				duration: 150
			});
		}
	});
};
restartGameButton.down = function () {
	// Add touch animation
	tween(restartGameButton, {
		scaleX: 0.8,
		scaleY: 0.8,
		tint: 0x00AAFF
	}, {
		duration: 100,
		onFinish: function onFinish() {
			tween(restartGameButton, {
				scaleX: 1.0,
				scaleY: 1.0,
				tint: 0xFFFFFF
			}, {
				duration: 150
			});
		}
	});
	// Restart the game
	LK.showGameOver();
};
game.down = function (x, y, obj) {
	// Don't allow interactions during home screen
	if (gameState === 'home') {
		return;
	}
	if (showTowerMenu) {
		showTowerMenu = false;
		selectedTower = null;
		return;
	}
	// Prevent interactions during wave
	if (waveInProgress) {
		return;
	}
	// Handle shovel mode - eliminate towers
	if (shovelMode) {
		var gridPos = getGridPosition(x, y);
		if (gridPos && gridPos.occupied) {
			// Find and remove the tower at this position
			for (var i = towers.length - 1; i >= 0; i--) {
				var tower = towers[i];
				var towerGridX = Math.floor(tower.x / gridSize);
				var towerGridY = Math.floor(tower.y / gridSize);
				var clickGridX = Math.floor(x / gridSize);
				var clickGridY = Math.floor(y / gridSize);
				if (towerGridX === clickGridX && towerGridY === clickGridY) {
					// Give back half the tower cost
					var refund = Math.floor(tower.cost * 0.5);
					coins += refund;
					// Mark grid position as unoccupied
					gridPos.occupied = false;
					// Remove tower from arrays and game
					tower.destroy();
					towers.splice(i, 1);
					// Flash effect to show elimination
					LK.effects.flashObject(tower, 0xFF0000, 200);
					updateUI();
					break;
				}
			}
		}
		return;
	}
	var gridPos = getGridPosition(x, y);
	if (canPlaceTower(gridPos)) {
		var tower = new Tower(selectedTowerType);
		if (coins >= tower.cost) {
			coins -= tower.cost;
			tower.x = gridPos.x;
			tower.y = gridPos.y;
			gridPos.occupied = true;
			towers.push(tower);
			game.addChild(tower);
			// Increase slow tower cost by 40 coins after placing one
			if (selectedTowerType === 'slow') {
				slowTowerCost += 40;
				slowTowerButton.setText('Slow ($' + slowTowerCost + ')');
			}
			// Increase splash tower cost by 20 coins after placing one
			if (selectedTowerType === 'splash') {
				splashTowerCost += 20;
				splashTowerButton.setText('Splash ($' + splashTowerCost + ')');
			}
			// Increase sniper tower cost by 100 coins after placing one
			if (selectedTowerType === 'sniper') {
				sniperTowerCost += 100;
				sniperTowerButton.setText('Sniper ($' + sniperTowerCost + ')');
			}
			updateUI();
		}
	}
};
game.update = function () {
	// Don't update game logic if on home screen
	if (gameState === 'home') {
		return;
	}
	// Don't update game logic if paused
	if (isPaused) {
		return;
	}
	// Animate coins text with rainbow colors
	if (LK.ticks % 30 === 0) {
		animateCoinsText();
	}
	// Spawn enemies during wave
	if (waveInProgress && enemiesSpawned < enemiesPerWave) {
		spawnTimer += gameSpeed;
		if (spawnTimer >= 60) {
			spawnEnemy();
			spawnTimer = 0;
		}
	}
	// Reset kill streak if lives were lost
	if (lives < lastLives) {
		killStreak = 0;
		lastLives = lives;
	}
	// Check if wave is complete
	if (waveInProgress && enemiesSpawned >= enemiesPerWave && enemies.length === 0) {
		waveInProgress = false;
		wave++;
		// Wave completion bonus + interest on current money
		var waveBonus = 50;
		var interestBonus = Math.floor(coins * 0.1); // 10% interest
		coins += waveBonus + interestBonus;
		// Display wave completion message
		showWaveCompletionMessage();
		updateUI();
	}
	// Clean up bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		if (!bullet.parent) {
			bullets.splice(i, 1);
		}
	}
	// Clean up water damage areas
	for (var i = waterDamageAreas.length - 1; i >= 0; i--) {
		var waterArea = waterDamageAreas[i];
		if (!waterArea.parent) {
			waterDamageAreas.splice(i, 1);
		}
	}
	// Check win condition
	if (wave > 20) {
		LK.showYouWin();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -678,8 +678,15 @@
 	fill: 0xFFFFFF
 });
 shovelButton.anchor.set(0.5, 0.5);
 LK.gui.right.addChild(shovelButton);
+// Create restart button on the left center
+var restartGameButton = new Text2('🔄', {
+	size: 120,
+	fill: 0xFFFFFF
+});
+restartGameButton.anchor.set(0.5, 0.5);
+LK.gui.left.addChild(restartGameButton);
 // Position tower buttons
 basicTowerButton.y = -400;
 splashTowerButton.y = -300;
 slowTowerButton.y = -200;
@@ -1773,8 +1780,29 @@
 			});
 		}
 	});
 };
+restartGameButton.down = function () {
+	// Add touch animation
+	tween(restartGameButton, {
+		scaleX: 0.8,
+		scaleY: 0.8,
+		tint: 0x00AAFF
+	}, {
+		duration: 100,
+		onFinish: function onFinish() {
+			tween(restartGameButton, {
+				scaleX: 1.0,
+				scaleY: 1.0,
+				tint: 0xFFFFFF
+			}, {
+				duration: 150
+			});
+		}
+	});
+	// Restart the game
+	LK.showGameOver();
+};
 game.down = function (x, y, obj) {
 	// Don't allow interactions during home screen
 	if (gameState === 'home') {
 		return;