/**** 
* Classes
****/
// Define the Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.createAsset('player', 'Player character', 0.5, 1);
	self.velocityY = 0;
	self.velocityX = 0;
	self.isOnGround = false;
	self.jump = function () {
		self.velocityY = -15; // Jump force
	};
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		self.velocityY += 0.5; // Gravity

		// Check for ground
		if (self.y > game.height - playerGraphics.height) {
			self.y = game.height - playerGraphics.height;
			self.velocityY = 0;
			self.isOnGround = true;
		}
	};
});
// Define the Platform class
var Platform = Container.expand(function () {
	var self = Container.call(this);
	var platformGraphics = self.createAsset('platform', 'Platform', 0.5, 1);
	self.setInitialPosition = function (x, y) {
		self.x = x;
		self.y = y;
	};
});

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

/**** 
* Game Code
****/
// Initialize important asset arrays
var platforms = [];
var player;

// Create the player
player = game.addChild(new Player());
player.x = game.width / 2;
player.y = game.height - 150;

// Create initial platforms
var initialPlatformY = game.height - 300;
for (var i = 0; i < 5; i++) {
	var platform = new Platform();
	var randomX = Math.random() * (game.width - platform.width) + platform.width / 2;
	platform.setInitialPosition(randomX, initialPlatformY - i * 200);
	platforms.push(platform);
	game.addChild(platform);
}

// Event listener for touch events on the game area
game.on('down', function (obj) {
	var touchPosition = obj.event.getLocalPosition(game);
	if (touchPosition.x < game.width / 2) {
		player.velocityX = -5;
	} else {
		player.velocityX = 5;
	}
	player.jump();
});
game.on('up', function (obj) {
	player.velocityX = 0;
});

// Main game update loop
LK.on('tick', function () {
	player.update();

	// Update platforms
	for (var i = 0; i < platforms.length; i++) {
		var platform = platforms[i];
		platform.y += 2; // Move platforms down

		// Recycle platforms
		if (platform.y > game.height) {
			var randomX = Math.random() * (game.width - platform.width) + platform.width / 2;
			platform.x = randomX;
			platform.y = -50;
		}

		// Check for collision with player
		if (player.intersects(platform) && player.velocityY > 0 && player.y + player.height < platform.y + 20) {
			player.isOnGround = true;
			player.velocityY = 0;
			player.y = platform.y - player.height;
		}
	}

	// Check for game over condition
	if (player.y < -player.height) {
		LK.showGameOver();
	}
});

===================================================================
--- original.js
+++ change.js
@@ -5,13 +5,15 @@
 var Player = Container.expand(function () {
 	var self = Container.call(this);
 	var playerGraphics = self.createAsset('player', 'Player character', 0.5, 1);
 	self.velocityY = 0;
+	self.velocityX = 0;
 	self.isOnGround = false;
 	self.jump = function () {
 		self.velocityY = -15; // Jump force
 	};
 	self.update = function () {
+		self.x += self.velocityX;
 		self.y += self.velocityY;
 		self.velocityY += 0.5; // Gravity
 
 		// Check for ground
@@ -62,10 +64,19 @@
 }
 
 // Event listener for touch events on the game area
 game.on('down', function (obj) {
+	var touchPosition = obj.event.getLocalPosition(game);
+	if (touchPosition.x < game.width / 2) {
+		player.velocityX = -5;
+	} else {
+		player.velocityX = 5;
+	}
 	player.jump();
 });
+game.on('up', function (obj) {
+	player.velocityX = 0;
+});
 
 // Main game update loop
 LK.on('tick', function () {
 	player.update();