/**** 
* Classes
****/
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.createAsset('player', 'Player character', 0.5, 0.5);
	self.speed = 5;
	self.moveLeft = function () {
		self.x = Math.max(self.width / 2, self.x - self.speed);
	};
	self.moveRight = function () {
		self.x = Math.min(2048 - self.width / 2, self.x + self.speed);
	};
	self.update = function () {
		// Player update logic
	};
});
// Arrow class
var Arrow = Container.expand(function (direction) {
	var self = Container.call(this);
	var arrowGraphics = self.createAsset('arrow_' + direction, 'Arrow for ' + direction + ' movement', 0.5, 0);
	arrowGraphics.height = 2732 * 2;
	self.direction = direction;
	self.on('down', function () {
		self.isHeld = true;
	});
	self.on('up', function () {
		self.isHeld = false;
	});
	self.on('out', function () {
		self.isHeld = false;
	});
	self.update = function (player) {
		if (self.isHeld) {
			if (self.direction === 'left') {
				player.moveLeft();
			} else if (self.direction === 'right') {
				player.moveRight();
			}
		}
		// Check if player's y position is less than arrow's y position
		self.alpha = 0; // Make arrow completely see-through
	};
});
// Stopwatch class
var Stopwatch = Container.expand(function () {
	var self = Container.call(this);
	var timeText = new Text2('00:00', {
		size: 100,
		fill: '#ffffff'
	});
	timeText.anchor.set(0.5, 0);
	LK.gui.top.addChild(timeText);
	var startTime = Date.now();
	self.updateTime = function () {
		var elapsed = Date.now() - startTime;
		var minutes = Math.floor(elapsed / 60000).toString().padStart(2, '0');
		var seconds = (Math.floor(elapsed / 1000) % 60).toString().padStart(2, '0');
		timeText.setText(minutes + ':' + seconds);
	};
});
// BlockObstacle class
var BlockObstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.createAsset('block_obstacle', 'Block obstacle', 0.5, 1);
	self.speed = Math.random() * 3 + 2; // Random speed between 2 and 5
	self.speedMultiplier = 1;
	self.increaseSpeed = function () {
		self.speedMultiplier += 0.001;
	};
	self.move = function () {
		self.speedMultiplier += 0.001;
		self.y += self.speed * self.speedMultiplier;
	};
});
// GameStats class to keep track of game statistics
var GameStats = Container.expand(function () {
	var self = Container.call(this);
	self.gamesPlayed = 0;
	self.incrementGamesPlayed = function () {
		self.gamesPlayed++;
	};
	self.getGamesPlayed = function () {
		return self.gamesPlayed;
	};
});

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

/**** 
* Game Code
****/
// Game variables
var player = game.addChild(new Player());
player.x = 1024; // Center of the screen
player.y = 2732 - 100; // Near the bottom of the screen
var obstacles = [];
var isGameOver = false;
var gameStats = game.addChild(new GameStats());
var stopwatch = game.addChild(new Stopwatch());
// Create left and right arrow objects
var leftArrow = game.addChild(new Arrow('left'));
leftArrow.width = 1024; // Half of the screen width
leftArrow.x = leftArrow.width / 2;
leftArrow.y = player.y - player.height * 3 - leftArrow.height / 2;
var rightArrow = game.addChild(new Arrow('right'));
rightArrow.width = 1024; // Half of the screen width
rightArrow.x = 2048 - rightArrow.width / 2;
rightArrow.y = player.y - player.height * 3 - rightArrow.height / 2;
// Touch event handlers

// Add touch event listener to the game

// Game tick event
LK.on('tick', function () {
	if (isGameOver) {
		LK.effects.flashScreen(0x00ff00, 1000);
		LK.showGameOver();
		return;
	}

	// Update player and arrows
	player.update();
	leftArrow.update(player);
	rightArrow.update(player);
	stopwatch.updateTime();

	// Generate obstacles
	if (LK.ticks % 60 == 0) {
		// Every 1 second
		var newObstacle = new BlockObstacle();
		newObstacle.x = Math.random() * (2048 - newObstacle.width) + newObstacle.width / 2;
		newObstacle.y = -newObstacle.height;
		obstacles.push(newObstacle);
		game.addChild(newObstacle);
	}
	// Move obstacles and check for collisions
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].move();
		obstacles[i].increaseSpeed();
		if (obstacles[i].y > 2732) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		} else if (player.intersects(obstacles[i])) {
			isGameOver = true;
			gameStats.incrementGamesPlayed();
		}
	}
});

===================================================================
--- original.js
+++ change.js
@@ -19,9 +19,9 @@
 // Arrow class
 var Arrow = Container.expand(function (direction) {
 	var self = Container.call(this);
 	var arrowGraphics = self.createAsset('arrow_' + direction, 'Arrow for ' + direction + ' movement', 0.5, 0);
-	arrowGraphics.height = 2732;
+	arrowGraphics.height = 2732 * 2;
 	self.direction = direction;
 	self.on('down', function () {
 		self.isHeld = true;
 	});