/**** 
* Classes
****/ 
// Define the Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = obstacleGraphics.width;
	self.height = obstacleGraphics.height;
	self.speed = 10;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + self.height / 2) {
			self.destroy();
		}
	};
	return self;
});
//<Assets used in the game will automatically appear here>
// Define the Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = playerGraphics.width;
	self.height = playerGraphics.height;
	self.speed = playerHorizontalSpeed;
	self.slidingSpeed = playerSlidingSpeed; // Add sliding speed property
	self.direction = 1; // 1: right, -1: left
	self.isTouchingWall = true; // true: player is touching a wall, false: player is in mid air
	self.update = function () {
		if (self.direction === -1 && self.x > self.width / 2) {
			self.x -= self.speed;
			if (self.x <= self.width / 2) {
				self.x = self.width / 2; // Prevent the player from going past the left edge of the screen
				self.isTouchingWall = true;
			}
		} else if (self.direction === 1 && self.x < 2048 - self.width / 2) {
			self.x += self.speed;
			if (self.x >= 2048 - self.width / 2) {
				self.x = 2048 - self.width / 2; // Prevent the player from going past the right edge of the screen
				self.isTouchingWall = true;
			}
		}
		self.y += self.verticalSpeed; // Apply the vertical speed to the player's position
		if (self.y < 0) {
			// Prevent the player from going off the top of the screen
			self.y = 0;
			self.verticalSpeed = 0;
		}
		if (self.isTouchingWall) {
			// Reset the vertical speed and apply the sliding speed when the player touches a wall
			self.verticalSpeed = 0;
			self.slidingSpeed += playerSlidingAcceleration;
			self.y += self.slidingSpeed;
		}
	};
	self.jump = function () {
		if (self.isTouchingWall) {
			self.direction *= -1;
			self.verticalSpeed -= playerVerticalJumpSpeed; // Decrease the vertical speed when jumping
			self.slidingSpeed = playerSlidingSpeed; // Reset the sliding speed
			self.isTouchingWall = false;
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var playerVerticalJumpSpeed = 10;
// Declare global variables for player's horizontal, vertical and sliding speed
var playerHorizontalSpeed = 40;
var playerSlidingSpeed = 3;
var playerSlidingAcceleration = 0.02;
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 200;
// Initialize obstacles array
var obstacles = [];
// Function to spawn obstacles
function spawnObstacle() {
	var obstacle = new Obstacle();
	obstacle.x = Math.random() * 2048;
	obstacle.y = -obstacle.height / 2;
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
// Set interval to spawn obstacles
var obstacleInterval = LK.setInterval(spawnObstacle, 1000);
// Handle touch events
game.down = function (x, y, obj) {
	player.jump();
};
game.up = function (x, y, obj) {
	// player.stop(); // This function does not exist in the Player class
};
// Update game logic
game.update = function () {
	player.update();
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].update();
		if (player.intersects(obstacles[i])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -83,9 +83,9 @@
 ****/ 
 var playerVerticalJumpSpeed = 10;
 // Declare global variables for player's horizontal, vertical and sliding speed
 var playerHorizontalSpeed = 40;
-var playerSlidingSpeed = 2;
+var playerSlidingSpeed = 3;
 var playerSlidingAcceleration = 0.02;
 // Initialize player
 var player = game.addChild(new Player());
 player.x = 2048 / 2;