/**** 
* Classes
****/ 
var Ball = Container.expand(function () {
	var self = Container.call(this);
	var ballGraphics = LK.getAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.addChild(ballGraphics);
	self.speed = {
		x: 20,
		y: -20
	};
	self._move_migrated = function () {
		self.x += self.speed.x;
		self.y += self.speed.y;
		if (self.x < 0 || self.x > 2048) {
			self.speed.x *= -1;
		}
	};
});
var Brick = Container.expand(function (i) {
	var self = Container.call(this);
	var brickGraphics = LK.getAsset('brick', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var colors = [0xFF0000, 0xFF7F00, 0xFFFF00, 0x00FF00, 0x0000FF, 0x4B0082, 0x8B00FF];
	brickGraphics.tint = colors[i % colors.length];
	self.addChild(brickGraphics);
});
var Paddle = Container.expand(function () {
	var self = Container.call(this);
	var paddleGraphics = LK.getAsset('paddle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.addChild(paddleGraphics);
	self.speed = 5;
	self._move_migrated = function (pos) {
		self.x = pos.x;
	};
});

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

/**** 
* Game Code
****/ 
// brick collision sound
game.setBackgroundColor(0x000040);
LK.playMusic('uzay', {
	volume: 0.05
});
// Calculate brick and area sizes
var brickRows = 10;
var brickColumns = 5;
var brickSample = new Brick(0);
var brickW = brickSample.width;
var brickH = brickSample.height;
var brickAreaWidth = brickRows * brickW;
var brickAreaHeight = brickColumns * brickH;
var brickAreaStartX = (2048 - brickAreaWidth) / 2;
var brickAreaStartY = 4 * brickH;
// Place building background so its windows match the brick grid
var buildingGraphics = LK.getAsset('building', {
	anchorX: 0,
	anchorY: 0
});
var building = new Container();
building.addChild(buildingGraphics);
// Scale and position building so its window grid matches the brick grid
var buildingOrigW = buildingGraphics.width;
var buildingOrigH = buildingGraphics.height;
var scaleX = brickAreaWidth / buildingOrigW;
var scaleY = brickAreaHeight / buildingOrigH;
buildingGraphics.scaleX = scaleX;
buildingGraphics.scaleY = scaleY;
building.x = brickAreaStartX;
building.y = brickAreaStartY;
// Optionally, if you want to add window overlays, you can do so here, but the building image itself should visually match the brick grid now
game.addChild(building);
var ball = game.addChild(new Ball());
var paddle = game.addChild(new Paddle());
var bricks = [];
var score = 0;
var scoreText = new Text2('0', {
	size: 150,
	fill: '#ffffff'
});
scoreText.anchor.set(.5, 0);
LK.gui.top.addChild(scoreText);
paddle.x = 2048 / 2;
paddle.y = 2732 - paddle.height;
ball.x = paddle.x;
ball.y = paddle.y - paddle.height / 2 - ball.height / 2;
var brickRows = 10;
var brickColumns = 5;
var brickAreaWidth = brickRows * new Brick().width;
var brickAreaStartX = (2048 - brickAreaWidth) / 2;
for (var i = 0; i < brickRows; i++) {
	for (var j = 0; j < brickColumns; j++) {
		var brick = game.addChild(new Brick(i + j));
		brick.x = brickAreaStartX + i * brick.width + brick.width / 2;
		brick.y = j * brick.height + brick.height / 2 + 4 * brick.height;
		bricks.push(brick);
	}
}
LK.on('tick', function () {
	ball._move_migrated();
	if (ball.intersects(paddle) && ball.speed.y > 0) {
		var hitPos = (ball.x - paddle.x) / paddle.width;
		ball.speed.x = hitPos * 20;
		ball.speed.y *= -1;
		LK.getSound('sound').play();
	}
	if (ball.y < 0) {
		ball.speed.y *= -1;
	}
	for (var i = 0; i < bricks.length; i++) {
		if (ball.intersects(bricks[i])) {
			ball.speed.y *= -1;
			LK.getSound('brickhit').play();
			bricks[i].destroy();
			bricks.splice(i, 1);
			i--;
			score++;
			LK.setScore(score);
			scoreText.setText(score.toString());
		}
	}
	if (ball.y > 2732 || bricks.length === 0) {
		LK.showGameOver();
	}
});
game.on('move', function (x, y, obj) {
	var pos = game.toLocal(obj.global);
	paddle._move_migrated(pos);
});

===================================================================
--- original.js
+++ change.js
@@ -57,35 +57,35 @@
 game.setBackgroundColor(0x000040);
 LK.playMusic('uzay', {
 	volume: 0.05
 });
-// Add a large building background with window cutouts aligned to bricks
-var buildingWidth = brickRows * new Brick().width + 100;
-var buildingHeight = (brickColumns + 2) * new Brick().height + 200;
-var buildingX = (2048 - buildingWidth) / 2;
-var buildingY = 3 * new Brick().height;
-var building = new Container();
-var buildingShape;
+// Calculate brick and area sizes
+var brickRows = 10;
+var brickColumns = 5;
+var brickSample = new Brick(0);
+var brickW = brickSample.width;
+var brickH = brickSample.height;
+var brickAreaWidth = brickRows * brickW;
+var brickAreaHeight = brickColumns * brickH;
+var brickAreaStartX = (2048 - brickAreaWidth) / 2;
+var brickAreaStartY = 4 * brickH;
+// Place building background so its windows match the brick grid
 var buildingGraphics = LK.getAsset('building', {
 	anchorX: 0,
 	anchorY: 0
 });
+var building = new Container();
 building.addChild(buildingGraphics);
-building.x = buildingX;
-building.y = buildingY;
-// Add window cutouts aligned to bricks
-for (var i = 0; i < brickRows; i++) {
-	for (var j = 0; j < brickColumns; j++) {
-		var windowShapeId = 'window_' + i + '_' + j;
-		var windowAsset = LK.getAsset(windowShapeId, {
-			anchorX: 0.5,
-			anchorY: 0.5
-		});
-		windowAsset.x = buildingX + i * new Brick().width + new Brick().width / 2;
-		windowAsset.y = buildingY + j * new Brick().height + new Brick().height / 2;
-		building.addChild(windowAsset);
-	}
-}
+// Scale and position building so its window grid matches the brick grid
+var buildingOrigW = buildingGraphics.width;
+var buildingOrigH = buildingGraphics.height;
+var scaleX = brickAreaWidth / buildingOrigW;
+var scaleY = brickAreaHeight / buildingOrigH;
+buildingGraphics.scaleX = scaleX;
+buildingGraphics.scaleY = scaleY;
+building.x = brickAreaStartX;
+building.y = brickAreaStartY;
+// Optionally, if you want to add window overlays, you can do so here, but the building image itself should visually match the brick grid now
 game.addChild(building);
 var ball = game.addChild(new Ball());
 var paddle = game.addChild(new Paddle());
 var bricks = [];