/**** 
* 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 Key class
var Key = Container.expand(function () {
	var self = Container.call(this);
	var keyTypes = ['key1', 'key2', 'key3'];
	var keyType = keyTypes[Math.floor(Math.random() * keyTypes.length)];
	var keyGraphics = self.attachAsset(keyType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5; // Initial speed
	// 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', {
		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);
// Add squares to each layer
var layers = [-450, 0, 450];
layers.forEach(function (layer) {
	var square = LK.getAsset('box1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	square.x = 1024; // Center horizontally
	square.y = 1366 - 300 + layer; // Position based on layer, moved further down
	game.addChild(square);
});
// 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 lanes = [-450, 0, 450];
	var selectedLanes = [lanes[Math.floor(Math.random() * lanes.length)]];
	// 30% chance to spawn a second obstacle in a different lane
	if (Math.random() < 0.3) {
		var secondLane;
		do {
			secondLane = lanes[Math.floor(Math.random() * lanes.length)];
		} while (selectedLanes.includes(secondLane));
		selectedLanes.push(secondLane);
	}
	selectedLanes.forEach(function (lane) {
		var obstacle = new Obstacle();
		obstacle.x = 2048;
		obstacle.y = 1366 - 400 + lane;
		obstacles.push(obstacle);
		game.addChild(obstacle);
	});
}
// Function to update game speed
function updateSpeed() {
	var speedIncrease = score * 0.01; // Increase speed based on score
	player.speed += speedIncrease;
	obstacles.forEach(function (obstacle) {
		obstacle.speed += speedIncrease;
	});
}
// 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++;
			scoreTxt.setText(score);
		}
		if (score > 0 && score % 5 === 0 && LK.ticks % 120 == 0) {
			score++; // Increment score to avoid repeated key spawning
			var lanes = [-450, 0, 450];
			lanes.forEach(function (lane) {
				var key = new Key();
				key.x = 2048;
				key.y = 1366 - 450 + lane;
				game.addChild(key);
				obstacles.push(key);
			});
		}
		if (obstacles[i] instanceof Key && obstacles[i].intersects(player)) {
			var randomScore = Math.floor(Math.random() * 10) + 1;
			score += randomScore;
			scoreTxt.setText(score);
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		}
		if (obstacles[i] && obstacles[i].intersects(player)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	// Create new obstacles
	if (LK.ticks % 120 == 0) {
		createObstacle();
	}
	// Update speed
	updateSpeed();
};

===================================================================
--- original.js
+++ change.js
@@ -111,9 +111,9 @@
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
 	square.x = 1024; // Center horizontally
-	square.y = 1366 - 350 + layer; // Position based on layer, moved slightly higher
+	square.y = 1366 - 300 + layer; // Position based on layer, moved further down
 	game.addChild(square);
 });
 // Create a variable to keep track of the current character asset
 var characterAssets = ['character', 'c2', 'c3', 'c4'];
@@ -166,9 +166,9 @@
 	}
 	selectedLanes.forEach(function (lane) {
 		var obstacle = new Obstacle();
 		obstacle.x = 2048;
-		obstacle.y = 1366 - 300 + lane;
+		obstacle.y = 1366 - 400 + lane;
 		obstacles.push(obstacle);
 		game.addChild(obstacle);
 	});
 }