/**** 
* Classes
****/ 
// Bullet class for projectiles
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		self.y -= self.speed;
	};
});
// Enemy class representing foes in the game
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 50;
	self.attack = 5;
	self.update = function () {
		// Update logic for enemy
	};
});
// GoodMonster class representing friendly creatures in the game
var GoodMonster = Container.expand(function () {
	var self = Container.call(this);
	var goodMonsterGraphics = self.attachAsset('goodMonster', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 50;
	self.attack = 5;
	self.update = function () {
		// Update logic for good monster
		if (self.intersects(hero)) {
			hero.health -= self.attack;
			if (hero.health <= 0) {
				LK.showGameOver();
			}
		}
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Hero class representing the player's character
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 100;
	self.attack = 10;
	self.update = function () {
		// Update logic for hero
	};
});
// HeroAttack class representing the hero's attack
var HeroAttack = Container.expand(function () {
	var self = Container.call(this);
	var attackGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		self.y -= self.speed;
	};
});
// Laser class representing a laser attack to separate Roi from monsters
var Laser = Container.expand(function () {
	var self = Container.call(this);
	var laserGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 15;
	self.update = function () {
		self.y -= self.speed;
	};
});

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

/**** 
* Game Code
****/ 
// Initialize hero, enemies and good monsters
var hero = game.addChild(new Hero());
hero.x = 2048 / 2;
hero.y = 2732 - 200;
var enemies = [];
for (var i = 0; i < 5; i++) {
	var enemy = new Enemy();
	enemy.x = 400 + i * 300;
	enemy.y = 200;
	enemies.push(enemy);
	game.addChild(enemy);
}
var goodMonsters = [];
for (var i = 0; i < 5; i++) {
	var goodMonster = new GoodMonster();
	goodMonster.x = 400 + i * 300;
	goodMonster.y = 500;
	goodMonsters.push(goodMonster);
	game.addChild(goodMonster);
}
// Initialize hero's attack array
var heroAttacks = [];
// Handle game updates
game.update = function () {
	// Update enemies
	// Update good monsters
	for (var i = goodMonsters.length - 1; i >= 0; i--) {
		var goodMonster = goodMonsters[i];
		goodMonster.update();
	}
	hero.update();
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		enemy.update();
		// Check for collision with hero
		if (hero.intersects(enemy)) {
			hero.health -= enemy.attack;
			enemy.health -= hero.attack;
			if (hero.health <= 0) {
				LK.showGameOver();
			}
			if (enemy.health <= 0) {
				enemy.destroy();
				enemies.splice(i, 1);
			}
		}
	}
	// Update hero's attack
	for (var j = heroAttacks.length - 1; j >= 0; j--) {
		var attack = heroAttacks[j];
		attack.update();
		// Check for collision with enemies
		for (var k = enemies.length - 1; k >= 0; k--) {
			var enemy = enemies[k];
			if (attack.intersects(enemy)) {
				enemy.health -= hero.attack;
				attack.destroy();
				heroAttacks.splice(j, 1);
				if (enemy.health <= 0) {
					enemy.destroy();
					enemies.splice(k, 1);
				}
				break;
			}
		}
		// Check for collision with good monsters
		for (var l = goodMonsters.length - 1; l >= 0; l--) {
			var goodMonster = goodMonsters[l];
			if (attack.intersects(goodMonster)) {
				goodMonster.health -= hero.attack;
				attack.destroy();
				heroAttacks.splice(j, 1);
				if (goodMonster.health <= 0) {
					goodMonster.destroy();
					goodMonsters.splice(l, 1);
				}
				break;
			}
		}
		// Remove off-screen attacks
		if (attack.y < -50) {
			attack.destroy();
			heroAttacks.splice(j, 1);
		}
	}
	// Fire hero's attack
	if (LK.ticks % 30 == 0) {
		var newAttack = new HeroAttack();
		newAttack.x = hero.x;
		newAttack.y = hero.y - hero.height / 2;
		heroAttacks.push(newAttack);
		game.addChild(newAttack);
		// Fire laser attack to separate Roi from monsters
		var newLaser = new Laser();
		newLaser.x = hero.x;
		newLaser.y = hero.y - hero.height / 2;
		heroAttacks.push(newLaser);
		game.addChild(newLaser);
	}
};
// Handle touch events for hero movement
game.down = function (x, y, obj) {
	hero.x = x;
	hero.y = y;
	// Fire hero's attack on click
	var newAttack = new HeroAttack();
	newAttack.x = hero.x;
	newAttack.y = hero.y - hero.height / 2;
	heroAttacks.push(newAttack);
	game.addChild(newAttack);
};
game.move = function (x, y, obj) {
	hero.x = x;
	hero.y = y;
};
game.up = function (x, y, obj) {
	// Handle touch release if needed
};
// Display hero health
var healthTxt = new Text2('Health: ' + hero.health, {
	size: 100,
	fill: 0xFFFFFF
});
healthTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(healthTxt);
// Update health display
game.update = function () {
	healthTxt.setText('Health: ' + hero.health);
	if (hero.health <= 0) {
		LK.showGameOver();
	}
};
// Add the health text to the GUI overlay
LK.gui.top.addChild(healthTxt);

===================================================================
--- original.js
+++ change.js
@@ -71,8 +71,20 @@
 	self.update = function () {
 		self.y -= self.speed;
 	};
 });
+// Laser class representing a laser attack to separate Roi from monsters
+var Laser = Container.expand(function () {
+	var self = Container.call(this);
+	var laserGraphics = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 15;
+	self.update = function () {
+		self.y -= self.speed;
+	};
+});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -175,8 +187,14 @@
 		newAttack.x = hero.x;
 		newAttack.y = hero.y - hero.height / 2;
 		heroAttacks.push(newAttack);
 		game.addChild(newAttack);
+		// Fire laser attack to separate Roi from monsters
+		var newLaser = new Laser();
+		newLaser.x = hero.x;
+		newLaser.y = hero.y - hero.height / 2;
+		heroAttacks.push(newLaser);
+		game.addChild(newLaser);
 	}
 };
 // Handle touch events for hero movement
 game.down = function (x, y, obj) {