/**** 
* Classes
****/ 
// Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.75,
		scaleY: 0.75
	});
	self.speed = -10;
	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,
		scaleX: 2.0,
		scaleY: 2.0
	});
	self.speed = 2;
	self.update = function () {
		// Enemy movement logic goes here
	};
});
// The assets will be automatically created and loaded by the LK engine
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2.0,
		scaleY: 2.0
	});
	self.speed = 5;
	self.update = function () {
		// Player movement logic goes here
	};
});
// PowerUp class
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.0,
		scaleY: 1.0
	});
	self.speed = 3;
	self.update = function () {
		self.y += self.speed;
	};
});

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

/**** 
* Game Code
****/ 
// Initialize player, bullets and enemies
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 100;
var bullets = [];
var enemies = [];
var score = 0;
var lives = 3;
var scoreText = new Text2('Score: 0', {
	size: 50,
	fill: "#ffffff"
});
scoreText.x = 20;
scoreText.y = 20;
game.addChild(scoreText);
var livesText = new Text2('Lives: 3', {
	size: 50,
	fill: "#ffffff"
});
livesText.x = 20;
livesText.y = 80;
game.addChild(livesText);
// Game update function
game.update = function () {
	// Player movement logic
	game.move = function (x, y, obj) {
		player.x = x;
		player.y = y;
	};
	// Shooting logic
	game.down = function (x, y, obj) {
		var bullet = new Bullet();
		bullet.x = player.x;
		bullet.y = player.y;
		bullets.push(bullet);
		game.addChild(bullet);
	};
	// Enemy and power-up spawning logic
	if (LK.ticks % 120 == 0) {
		var enemy = new Enemy();
		enemy.x = Math.random() * 2048;
		enemy.y = 0;
		enemies.push(enemy);
		game.addChild(enemy);
		// Randomly throw power-ups
		if (Math.random() < 0.3) {
			// 30% chance to throw a power-up
			var powerUp = new PowerUp();
			powerUp.x = enemy.x;
			powerUp.y = enemy.y;
			game.addChild(powerUp);
		}
	}
	if (LK.ticks % 10 == 0) {
		var star = LK.getAsset('star', {
			x: Math.random() * 2048,
			y: 0
		});
		game.addChild(star);
	}
	// Bullet and enemy update logic
	for (var i = bullets.length - 1; i >= 0; i--) {
		if (bullets[i].y < 0) {
			bullets[i].destroy();
			bullets.splice(i, 1);
		}
	}
	for (var i = enemies.length - 1; i >= 0; i--) {
		if (enemies[i].y > 2732) {
			enemies[i].destroy();
			enemies.splice(i, 1);
		}
	}
	// Collision detection
	for (var i = bullets.length - 1; i >= 0; i--) {
		for (var j = enemies.length - 1; j >= 0; j--) {
			if (bullets[i].intersects(enemies[j])) {
				bullets[i].destroy();
				bullets.splice(i, 1);
				enemies[j].destroy();
				enemies.splice(j, 1);
				score += 10;
				scoreText.setText('Score: ' + score);
				break;
			}
		}
	}
	// Power-up collection
	for (var i = 0; i < game.children.length; i++) {
		var child = game.children[i];
		if (child instanceof PowerUp && player.intersects(child)) {
			child.destroy();
			// Implement power-up effect here, e.g., increase player speed
			player.speed += 1;
		}
	}
	// Increase enemy speed over time
	if (LK.ticks % 600 == 0) {
		// Every 10 seconds
		for (var i = 0; i < enemies.length; i++) {
			enemies[i].speed += 0.5;
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -43,8 +43,22 @@
 	self.update = function () {
 		// Player movement logic goes here
 	};
 });
+// PowerUp class
+var PowerUp = Container.expand(function () {
+	var self = Container.call(this);
+	var powerUpGraphics = self.attachAsset('powerUp', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		scaleX: 1.0,
+		scaleY: 1.0
+	});
+	self.speed = 3;
+	self.update = function () {
+		self.y += self.speed;
+	};
+});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -80,13 +94,10 @@
 // Game update function
 game.update = function () {
 	// Player movement logic
 	game.move = function (x, y, obj) {
-		if (x < player.x) {
-			player.x -= player.speed;
-		} else if (x > player.x) {
-			player.x += player.speed;
-		}
+		player.x = x;
+		player.y = y;
 	};
 	// Shooting logic
 	game.down = function (x, y, obj) {
 		var bullet = new Bullet();
@@ -94,15 +105,23 @@
 		bullet.y = player.y;
 		bullets.push(bullet);
 		game.addChild(bullet);
 	};
-	// Enemy and star spawning logic
+	// Enemy and power-up spawning logic
 	if (LK.ticks % 120 == 0) {
 		var enemy = new Enemy();
 		enemy.x = Math.random() * 2048;
 		enemy.y = 0;
 		enemies.push(enemy);
 		game.addChild(enemy);
+		// Randomly throw power-ups
+		if (Math.random() < 0.3) {
+			// 30% chance to throw a power-up
+			var powerUp = new PowerUp();
+			powerUp.x = enemy.x;
+			powerUp.y = enemy.y;
+			game.addChild(powerUp);
+		}
 	}
 	if (LK.ticks % 10 == 0) {
 		var star = LK.getAsset('star', {
 			x: Math.random() * 2048,
@@ -136,5 +155,21 @@
 				break;
 			}
 		}
 	}
+	// Power-up collection
+	for (var i = 0; i < game.children.length; i++) {
+		var child = game.children[i];
+		if (child instanceof PowerUp && player.intersects(child)) {
+			child.destroy();
+			// Implement power-up effect here, e.g., increase player speed
+			player.speed += 1;
+		}
+	}
+	// Increase enemy speed over time
+	if (LK.ticks % 600 == 0) {
+		// Every 10 seconds
+		for (var i = 0; i < enemies.length; i++) {
+			enemies[i].speed += 0.5;
+		}
+	}
 };
\ No newline at end of file