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

/**** 
* Classes
****/ 
// Class for the player character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 1.9,
		anchorY: 1.9
	});
});
// Class for the wall
var Wall = Container.expand(function () {
	var self = Container.call(this);
	var wallGraphics = self.attachAsset('wall1', {
		anchorX: 0.05,
		anchorY: 0.05
	});
});

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

/**** 
* Game Code
****/ 
// Add background to the game
var background = game.attachAsset('Background1', {
	anchorX: 0.5,
	anchorY: 1,
	x: 2048 / 2,
	y: 2732,
	scaleX: 2048 / 1000,
	scaleY: (2732 - LK.gui.top.height - 200) / 1000 // Scale down from the top by 200 pixels
});
// Set level to 1
game.level = 1;
// Initialize player
var player = new Player();
player.x = 2048;
player.y = 2732;
game.addChild(player);
// Initialize wall1
var wall1 = new Wall();
wall1.x = 2048 - wall1.width; // Move wall1 to the right edge of the screen
// Initialize wall2 first to get its height
var wall2 = new Wall();
wall2.x = 100; // Move wall2 a little bit more to the right
wall2.y = 0; // Position wall2 at the top of the screen
wall2.width = 100; // Make wall2 thinner
wall2.height = 200; // Keep wall2's height the same
game.addChild(wall2);
// Now we can use wall2.height
wall1.y = wall2.height; // Position wall1 below the top wall
wall1.width = 200; // Make wall1 thin vertically
wall1.height = 2732; // Make wall1 as tall as the screen
game.addChild(wall1);
// Initialize wall3 on the left side of the screen
var wall3 = new Wall();
wall3.x = 0; // Position wall3 at the left edge of the screen
wall3.y = wall2.height; // Position wall3 below the top wall
wall3.width = 100; // Make wall3 thinner
wall3.height = 2732; // Keep wall3's height the same
game.addChild(wall3);
// Initialize wall4 at the bottom of the screen
var wall4 = new Wall();
wall4.x = 0; // Position wall4 at the left edge of the screen
wall4.y = 2732 - wall4.height; // Position wall4 at the bottom of the screen
wall4.width = 2048; // Make wall4 as wide as the screen
wall4.height = 200; // Make wall4 taller horizontally
game.addChild(wall4);
// Initialize wall2
var wall2 = new Wall();
wall2.x = 100; // Move wall2 a little bit more to the right
wall2.y = 0; // Position wall2 at the top of the screen
wall2.width = 2048; // Make wall2 as wide as the screen
wall2.height = 200; // Make wall2 taller horizontally
game.addChild(wall2);
// Add Level 1 text on the top right
var levelText = new Text2('Level 1', {
	size: 100,
	fill: 0xFFFFFF,
	font: "'Time new roman'"
});
levelText.anchor.set(1, 0); // Sets anchor to the top right edge of the text.
LK.gui.topRight.addChild(levelText);
// Handle player movement
// Import tween plugin
game.down = function (x, y, obj) {};
game.move = function (x, y, obj) {
	player.x = x;
	player.y = y;
};

===================================================================
--- original.js
+++ change.js
@@ -70,8 +70,15 @@
 wall3.y = wall2.height; // Position wall3 below the top wall
 wall3.width = 100; // Make wall3 thinner
 wall3.height = 2732; // Keep wall3's height the same
 game.addChild(wall3);
+// Initialize wall4 at the bottom of the screen
+var wall4 = new Wall();
+wall4.x = 0; // Position wall4 at the left edge of the screen
+wall4.y = 2732 - wall4.height; // Position wall4 at the bottom of the screen
+wall4.width = 2048; // Make wall4 as wide as the screen
+wall4.height = 200; // Make wall4 taller horizontally
+game.addChild(wall4);
 // Initialize wall2
 var wall2 = new Wall();
 wall2.x = 100; // Move wall2 a little bit more to the right
 wall2.y = 0; // Position wall2 at the top of the screen