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

/**** 
* Classes
****/ 
// BigBoss class
var BigBoss = Container.expand(function () {
	var self = Container.call(this);
	var bossGraphics = self.attachAsset('bigBoss', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.health = 500; // Big boss has 500 health
	self.update = function () {
		// Move boss towards the hero
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.x += dx / distance * self.speed * 0.5;
			self.y += dy / distance * self.speed * 0.5;
		}
		// Boss can shoot bullets at the hero
		if (LK.ticks % 150 == 0) {
			var bullet = new Bullet();
			bullet.x = self.x;
			bullet.y = self.y;
			game.addChild(bullet);
		}
	};
	self.healthBar = self.addChild(LK.getAsset('lifebar', {
		anchorX: 0.5,
		anchorY: 1.0,
		y: -bossGraphics.height / 2 - 10
	}));
	self.damage = function (amount) {
		self.health -= amount;
		self.healthBar.scaleX = self.health / 2500; // Update health bar scale
		if (self.health <= 0) {
			self.destroy(); // Destroy the boss if health is 0 or less
		}
	};
});
// Bomb class
var Bomb = Container.expand(function () {
	var self = Container.call(this);
	var bombGraphics = self.attachAsset('bomb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.y += self.speed;
	};
});
// Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 15;
	self.update = function () {
		self.y -= self.speed;
	};
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.health = 100; // Initialize health for the enemy
	self.update = function () {
		// Move goblins towards the hero
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.x += dx / distance * self.speed * 0.5; // Move at half speed towards hero
			self.y += dy / distance * self.speed * 0.5;
		}
		// Throw bomb at hero
		if (LK.ticks % (300 + Math.floor(Math.random() * 120)) == 0) {
			// Throw a bomb every 5-7 seconds
			var bomb = new Bomb();
			bomb.x = self.x;
			bomb.y = self.y;
			game.addChild(bomb);
		}
	};
	self.damage = function (amount) {
		// Function to apply damage to the enemy
		self.health -= amount;
		if (self.health <= 0) {
			self.destroy(); // Destroy the enemy if health is 0 or less
		}
	};
});
// Golden Coin class
var GoldenCoin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.attachAsset('coin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.y += self.speed;
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Hero class
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		// Hero update logic
	};
	self.damage = function () {
		LK.showGameOver();
	};
});
// NewMonster class
var NewMonster = Container.expand(function () {
	var self = Container.call(this);
	var monsterGraphics = self.attachAsset('newMonster', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 7;
	self.health = 150;
	self.update = function () {
		// Move new monsters towards the hero
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.x += dx / distance * self.speed * 0.5;
			self.y += dy / distance * self.speed * 0.5;
		}
	};
	self.damage = function (amount) {
		self.health -= amount;
		if (self.health <= 0) {
			self.destroy();
		}
	};
});

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

/**** 
* Game Code
****/ 
//<Write imports for supported plugins here>
//<Assets used in the game will automatically appear here>
var background = game.attachAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
// Initialize hero
var hero = game.addChild(new Hero());
hero.x = 2048 / 2;
hero.y = 2732 - 200;
// Initialize enemies
var enemies = [];
for (var i = 0; i < 5; i++) {
	var enemy = new Enemy();
	enemy.x = Math.random() * 2048;
	enemy.y = Math.random() * 1000;
	enemies.push(enemy);
	game.addChild(enemy);
	// Add spawn effect to the enemy
	LK.effects.flashObject(enemy, 0xFFFFFF, 500);
}
// Initialize bullets
var bullets = [];
// Initialize golden coins
var goldenCoins = [];
// Initialize enemies killed count
var enemiesKilled = 0;
// Create score display
var scoreDisplay = new Text2('Score: ' + LK.getScore(), {
	size: 50,
	fill: 0xFFFFFF
});
scoreDisplay.anchor.set(1, 0); // Anchor to the top-right corner
LK.gui.topRight.addChild(scoreDisplay);
// Function to update and animate the score display
function updateScoreDisplay() {
	scoreDisplay.setText('Score: ' + LK.getScore());
	tween(scoreDisplay, {
		scaleX: 1.5,
		scaleY: 1.5
	}, {
		duration: 200,
		easing: tween.easeOut,
		onFinish: function onFinish() {
			tween(scoreDisplay, {
				scaleX: 1,
				scaleY: 1
			}, {
				duration: 200,
				easing: tween.easeIn
			});
		}
	});
}
// Initialize current wave
var currentWave = 0;
// Initialize level
var level = 1;
// Create game title
var gameTitle = new Text2('Tower Of End', {
	size: 50,
	fill: 0xFFFFFF
});
gameTitle.anchor.set(0, 0);
LK.gui.topLeft.addChild(gameTitle);
// Create level display
var levelDisplay = new Text2('Level: ' + level, {
	size: 50,
	fill: 0xFFFFFF
});
levelDisplay.anchor.set(0.5, 0);
LK.gui.top.addChild(levelDisplay);
// Game update logic
game.update = function () {
	// Update hero
	hero.update();
	// Define waves
	var waves = [{
		count: 5,
		type: 'enemy',
		speed: 5
	}, {
		count: 10,
		type: 'enemy',
		speed: 7
	}, {
		count: 15,
		type: 'enemy',
		speed: 10
	}];
	var currentWave = 0;
	var enemiesToSpawn = waves[currentWave].count;
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
		if (enemies[i].y > 2732) {
			enemies[i].destroy();
			enemies.splice(i, 1);
		}
	}
	// Spawn new enemies
	if (enemies.length == 0) {
		if (level === 10) {
			// Spawn BigBoss at level 10
			var bigBoss = new BigBoss();
			bigBoss.x = 2048 / 2;
			bigBoss.y = 100;
			enemies.push(bigBoss);
			game.addChild(bigBoss);
			LK.effects.flashObject(bigBoss, 0xFFFFFF, 500);
		} else if (level === 11) {
			// Change background and spawn new type of monsters
			background.texture = LK.getAsset('newBackground', {}).texture;
			enemiesToSpawn = 10;
			for (var i = 0; i < enemiesToSpawn; i++) {
				var newMonster = new NewMonster();
				newMonster.x = Math.random() * 2048;
				newMonster.y = Math.random() * 1000;
				enemies.push(newMonster);
				game.addChild(newMonster);
				LK.effects.flashObject(newMonster, 0xFFFFFF, 500);
			}
		} else {
			enemiesToSpawn = 10;
			for (var i = 0; i < enemiesToSpawn; i++) {
				var enemy = new Enemy();
				enemy.speed = waves[currentWave].speed;
				enemy.x = Math.random() * 2048;
				enemy.y = Math.random() * 1000;
				enemies.push(enemy);
				game.addChild(enemy);
				LK.effects.flashObject(enemy, 0xFFFFFF, 500);
			}
		}
		currentWave++;
		level++; // Increase the level
		levelDisplay.setText('Level: ' + level); // Update the level display
	}
	// Update bullets
	for (var j = bullets.length - 1; j >= 0; j--) {
		bullets[j].update();
		if (bullets[j].y < 0) {
			bullets[j].destroy();
			bullets.splice(j, 1);
		}
	}
	// Collision detection
	for (var k = bullets.length - 1; k >= 0; k--) {
		for (var l = enemies.length - 1; l >= 0; l--) {
			if (bullets[k].intersects(enemies[l])) {
				bullets[k].destroy();
				bullets.splice(k, 1);
				if (enemies[l] instanceof BigBoss) {
					enemies[l].damage(10); // Deal 10 damage to BigBoss
				} else if (enemies[l]) {
					// Check if enemy exists before accessing its properties
					var enemyX = enemies[l].x;
					var enemyY = enemies[l].y;
					enemies[l].destroy();
					enemies.splice(l, 1);
					enemiesKilled++;
					// Increase the score by 10
					LK.setScore(LK.getScore() + 10);
					updateScoreDisplay();
					// Spawn a golden coin with 20% probability
					if (Math.random() < 0.2) {
						var coin = new GoldenCoin();
						coin.x = enemyX;
						coin.y = enemyY;
						goldenCoins.push(coin);
						game.addChild(coin);
					}
				}
				break;
			}
		}
	}
};
// Handle game input
game.down = function (x, y, obj) {
	var bullet = new Bullet();
	bullet.x = hero.x;
	bullet.y = hero.y;
	bullets.push(bullet);
	game.addChild(bullet);
	// Add flash effect to hero when shooting
	LK.effects.flashObject(hero, 0xFFFFFF, 100);
};
game.move = function (x, y, obj) {
	hero.x = x;
	hero.y = y;
};
// Collision detection for bombs and hero
for (var i = game.children.length - 1; i >= 0; i--) {
	var child = game.children[i];
	if (child instanceof Bomb) {
		if (child.lastWasIntersecting === undefined) {
			child.lastWasIntersecting = false;
		}
		if (!child.lastWasIntersecting && child.intersects(hero)) {
			child.destroy();
			hero.damage(); // Call the damage method of the hero which will trigger game over
			LK.showGameOver(); // Ensure game over is shown when hero is hit by a bomb
		}
		child.lastWasIntersecting = child.intersects(hero);
	}
}
// Update golden coins and check for collision with the hero
for (var i = goldenCoins.length - 1; i >= 0; i--) {
	var coin = goldenCoins[i];
	coin.update();
	// Attraction logic
	var dx = hero.x - coin.x;
	var dy = hero.y - coin.y;
	var distance = Math.sqrt(dx * dx + dy * dy);
	if (distance < 200) {
		// Attraction range
		var attractionSpeed = 2;
		coin.x += dx / distance * attractionSpeed;
		coin.y += dy / distance * attractionSpeed;
	}
	if (coin.intersects(hero)) {
		coin.destroy();
		goldenCoins.splice(i, 1);
		// Increase the score
		LK.setScore(LK.getScore() + 1);
		updateScoreDisplay();
	}
}
// Collision detection
for (var k = bullets.length - 1; k >= 0; k--) {
	for (var l = enemies.length - 1; l >= 0; l--) {
		if (bullets[k].intersects(enemies[l])) {
			bullets[k].destroy();
			bullets.splice(k, 1);
			enemies[l].destroy();
			enemies.splice(l, 1);
			enemiesKilled++;
			// Increase the score by 10
			LK.setScore(LK.getScore() + 10);
			updateScoreDisplay();
			// Spawn a golden coin
			var coin = new GoldenCoin();
			coin.x = enemies[l].x;
			coin.y = enemies[l].y;
			goldenCoins.push(coin);
			game.addChild(coin);
			break;
		}
	}
}

===================================================================
--- original.js
+++ change.js