/**** 
* 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.speed += 0.05; // Acceleration
		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 (gameStarted) {
			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.y > 2732 - self.height / 2) {
				// Trigger game over if the player hits the bottom edge of the screen
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
			}
			if (self.isTouchingWall) {
				self.verticalSpeed = 0;
				self.slidingSpeed += playerSlidingAcceleration;
				self.y += self.slidingSpeed;
				// Add particle effects at the intersection between the player and the wall
				var particleEffect = LK.getAsset('particleEffect', {
					anchorX: 0.5,
					anchorY: 0.5,
					x: self.x,
					y: self.y
				});
				game.addChild(particleEffect);
				LK.effects.flashObject(particleEffect, 0xffffff, 500); // Flash effect for 500ms
			}
		}
	};
	self.jump = function () {
		if (self.isTouchingWall) {
			self.direction *= -1;
			self.verticalSpeed = -playerVerticalJumpSpeed; // Set 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 = 15;
// Declare global variables for player's horizontal, vertical and sliding speed
var playerHorizontalSpeed = 80;
var playerSlidingSpeed = 1;
var playerSlidingAcceleration = 0.04;
// Declare a global variable to track if the game has started
var gameStarted = false;
// Initialize player
var player = game.addChild(new Player());
player.verticalSpeed = 0;
player.x = 2048 / 2;
player.y = 2732 - 500;
// Initialize obstacles array
var obstacles = [];
// Function to spawn obstacles
function spawnObstacle() {
	var obstacle = new Obstacle();
	obstacle.x = Math.random() * (2048 - 500) + 250; // Add padding to the enemy spawner
	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) {
	if (!gameStarted) {
		gameStarted = true;
		player.direction = Math.random() < 0.5 ? -1 : 1;
	}
	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();
	if (player.y > 2732 - player.height / 2) {
		LK.effects.flashScreen(0xff0000, 1000);
		LK.showGameOver();
	}
	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
@@ -40,20 +40,14 @@
 				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;
-					game.addChild(particleEffects); // Trigger particle effects
-					particleEffects.x = self.x;
-					particleEffects.y = self.y;
 				}
 			} 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;
-					game.addChild(particleEffects); // Trigger particle effects
-					particleEffects.x = self.x;
-					particleEffects.y = self.y;
 				}
 			}
 			self.y += self.verticalSpeed; // Apply the vertical speed to the player's position
 			if (self.y < 0) {
@@ -66,12 +60,20 @@
 				LK.effects.flashScreen(0xff0000, 1000);
 				LK.showGameOver();
 			}
 			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;
+				// Add particle effects at the intersection between the player and the wall
+				var particleEffect = LK.getAsset('particleEffect', {
+					anchorX: 0.5,
+					anchorY: 0.5,
+					x: self.x,
+					y: self.y
+				});
+				game.addChild(particleEffect);
+				LK.effects.flashObject(particleEffect, 0xffffff, 500); // Flash effect for 500ms
 			}
 		}
 	};
 	self.jump = function () {
@@ -94,13 +96,8 @@
 
 /**** 
 * Game Code
 ****/ 
-// Declare a global particle effects variable
-var particleEffects = LK.getAsset('particleEffect', {
-	anchorX: 0.5,
-	anchorY: 0.5
-});
 var playerVerticalJumpSpeed = 15;
 // Declare global variables for player's horizontal, vertical and sliding speed
 var playerHorizontalSpeed = 80;
 var playerSlidingSpeed = 1;