/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
// Define the Button class
var Button = Container.expand(function () {
	var self = Container.call(this);
	var buttonGraphics = self.attachAsset('button', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	return self;
});
// Define the Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5; // Initial speed
	// Update method for obstacle movement
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Define the Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('character', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.layer = 1; // Start on the middle layer
	self.speed = 10; // Initial speed
	// Method to move the player up a layer
	self.moveUp = function () {
		if (self.layer > 0) {
			self.layer--;
			tween(self, {
				y: self.y - 450
			}, {
				duration: 300,
				easing: tween.easeInOut
			});
		}
	};
	// Method to move the player down a layer
	self.moveDown = function () {
		if (self.layer < 2) {
			self.layer++;
			tween(self, {
				y: self.y + 450
			}, {
				duration: 300,
				easing: tween.easeInOut
			});
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0000FF //Init game with blue background
});

/**** 
* Game Code
****/ 
var background = game.attachAsset('background', {
	anchorX: 0.0,
	anchorY: 0.0
});
background.x = 0;
background.y = 0;
// Initialize player
var player = new Player();
player.x = 200;
player.y = 1366 - 450; // Start on the middle layer
game.addChild(player);
// Create a variable to keep track of the current character asset
var characterAssets = ['character', 'c2', 'c3', 'c4'];
var currentCharacterAsset = 0;
// Create a timer to change the character asset every 0.2 seconds
LK.setInterval(function () {
	// Remove the current character asset
	player.removeChild(player.children[0]);
	// Update the current character asset index
	currentCharacterAsset = (currentCharacterAsset + 1) % characterAssets.length;
	// Attach the new character asset
	player.attachAsset(characterAssets[currentCharacterAsset], {
		anchorX: 0.5,
		anchorY: 0.5
	});
}, 200);
// Initialize buttons
var buttonUp = new Button();
buttonUp.x = 1024;
buttonUp.y = 2732 - 600; // Position at the bottom of the screen
buttonUp.scale.set(2); // Increase the size of the button
game.addChild(buttonUp);
var buttonDown = new Button();
buttonDown.x = 1024;
buttonDown.y = 2732 - 300; // Position at the bottom of the screen
buttonDown.scale.set(2); // Increase the size of the button
buttonDown.rotation = Math.PI; // Rotate the button by 180 degrees
game.addChild(buttonDown);
// Initialize obstacles array
var obstacles = [];
// Initialize score
var score = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Function to create obstacles
function createObstacle() {
	var obstacle = new Obstacle();
	obstacle.x = 2048;
	obstacle.y = 1366 - 450 + (Math.floor(Math.random() * 3) - 1) * 450; // Random layer
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
// Function to update game speed
function updateSpeed() {
	player.speed += 0.02;
	obstacles.forEach(function (obstacle) {
		obstacle.speed += 0.02;
	});
}
// Handle swipe up and down
game.move = function (x, y, obj) {
	if (obj.event && obj.event.deltaY < 0) {
		player.moveUp();
	} else if (obj.event && obj.event.deltaY > 0) {
		player.moveDown();
	}
};
// Handle button presses
buttonUp.down = function (x, y, obj) {
	if (!buttonUp.cooldown && !buttonDown.cooldown) {
		player.moveUp();
		buttonUp.cooldown = true;
		buttonDown.cooldown = true;
		LK.setTimeout(function () {
			buttonUp.cooldown = false;
			buttonDown.cooldown = false;
		}, 310);
	}
};
buttonDown.down = function (x, y, obj) {
	if (!buttonUp.cooldown && !buttonDown.cooldown) {
		player.moveDown();
		buttonUp.cooldown = true;
		buttonDown.cooldown = true;
		LK.setTimeout(function () {
			buttonUp.cooldown = false;
			buttonDown.cooldown = false;
		}, 310);
	}
};
// Game update loop
game.update = function () {
	// Update obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].update();
		if (obstacles[i].x < -100) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
			score++;
			if (score % 10 === 0) {
				var key3 = LK.getAsset('key3', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				key3.x = Math.random() * 2048;
				key3.y = Math.random() * 2732;
				game.addChild(key3);
			}
			scoreTxt.setText(score);
		}
		if (obstacles[i].intersects(player)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	// Create new obstacles
	if (LK.ticks % 60 == 0) {
		createObstacle();
	}
	// Update speed
	updateSpeed();
};

===================================================================
--- original.js
+++ change.js
@@ -14,24 +14,8 @@
 		anchorY: 0.5
 	});
 	return self;
 });
-// Define the Key class
-var Key = Container.expand(function () {
-	var self = Container.call(this);
-	var keyTypes = ['key1', 'key2', 'key3'];
-	var randomKey = keyTypes[Math.floor(Math.random() * keyTypes.length)];
-	var keyGraphics = self.attachAsset(randomKey, {
-		anchorX: 0.5,
-		anchorY: 0.5
-	});
-	self.speed = 5; // Reduce the speed of keys 
-	// Update method for key movement
-	self.update = function () {
-		self.x -= self.speed;
-	};
-	return self;
-});
 // Define the Obstacle class
 var Obstacle = Container.expand(function () {
 	var self = Container.call(this);
 	var obstacleGraphics = self.attachAsset('bullet', {
@@ -132,11 +116,8 @@
 buttonDown.rotation = Math.PI; // Rotate the button by 180 degrees
 game.addChild(buttonDown);
 // Initialize obstacles array
 var obstacles = [];
-// Initialize keys array
-var keys = [];
-var keySpawned = false;
 // Initialize score
 var score = 0;
 var scoreTxt = new Text2('0', {
 	size: 150,
@@ -146,21 +127,13 @@
 LK.gui.top.addChild(scoreTxt);
 // Function to create obstacles
 function createObstacle() {
 	var obstacle = new Obstacle();
-	obstacle.x = 2048 * 1.5;
+	obstacle.x = 2048;
 	obstacle.y = 1366 - 450 + (Math.floor(Math.random() * 3) - 1) * 450; // Random layer
 	obstacles.push(obstacle);
 	game.addChild(obstacle);
 }
-// Function to create keys
-function createKey() {
-	var key = new Key();
-	key.x = 2048;
-	key.y = 1366 - 450 + (Math.floor(Math.random() * 3) - 1) * 450; // Random layer
-	keys.push(key);
-	game.addChild(key);
-}
 // Function to update game speed
 function updateSpeed() {
 	player.speed += 0.02;
 	obstacles.forEach(function (obstacle) {
@@ -206,48 +179,25 @@
 		if (obstacles[i].x < -100) {
 			obstacles[i].destroy();
 			obstacles.splice(i, 1);
 			score++;
+			if (score % 10 === 0) {
+				var key3 = LK.getAsset('key3', {
+					anchorX: 0.5,
+					anchorY: 0.5
+				});
+				key3.x = Math.random() * 2048;
+				key3.y = Math.random() * 2732;
+				game.addChild(key3);
+			}
 			scoreTxt.setText(score);
 		}
 		if (obstacles[i].intersects(player)) {
 			LK.effects.flashScreen(0xff0000, 1000);
 			LK.showGameOver();
 		}
 	}
-	// Update keys
-	for (var j = keys.length - 1; j >= 0; j--) {
-		keys[j].update();
-		if (keys[j].x < -100) {
-			keys[j].destroy();
-			keys.splice(j, 1);
-			LK.effects.flashScreen(0xff0000, 1000);
-			LK.showGameOver();
-		}
-		if (keys[j].intersects(player)) {
-			keys[j].destroy();
-			keys.splice(j, 1);
-		}
-	}
 	// Create new obstacles
-	if (score % 10 === 0 && score > 0) {
-		if (!game.bulletPause) {
-			game.bulletPause = true;
-			LK.setTimeout(function () {
-				game.bulletPause = false;
-			}, 3000);
-		}
-	} else if (!game.bulletPause && LK.ticks % 60 == 0) {
-		createObstacle();
-	}
-	// Create new key every 10 score
-	if (score > 0 && score % 10 === 0 && !keySpawned) {
-		createKey();
-		keySpawned = true;
-	} else if (score % 10 !== 0) {
-		keySpawned = false;
-	}
-	// Create new obstacles
 	if (LK.ticks % 60 == 0) {
 		createObstacle();
 	}
 	// Update speed