/**** 
* Classes
****/ 
/**** * Classes
****/ 
var Ball = Container.expand(function () {
	var self = Container.call(this);
} // ... (Ball class code remains the same) ...
);
var Brick = Container.expand(function () {
	var self = Container.call(this);
} // ... (Brick class code remains the same) ...
);

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

/**** 
* Game Code
****/ 
/**** * Game Code
****/ 
// Define GAME_WIDTH constant
var GAME_WIDTH = 2048; // Assuming the virtual resolution width
// Define BALL_COST constant
var BALL_COST = 50; // Assuming a default cost for a normal ball
// ... (Constants and Game Variables remain the same) ...
// HUD Setup
var topHud = new Container();
LK.gui.top.addChild(topHud);
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0, 0);
scoreTxt.x = 20;
scoreTxt.y = 20;
topHud.addChild(scoreTxt);
var levelTxt = new Text2('Level: 1', {
	size: 60,
	fill: 0xFFFFFF
});
levelTxt.anchor.set(0.5, 0);
levelTxt.x = GAME_WIDTH / 2 - levelTxt.width / 2;
levelTxt.y = 20;
topHud.addChild(levelTxt);
// Bottom HUD for Upgrades and Ball Purchases
var bottomHud = new Container();
LK.gui.bottom.addChild(bottomHud);
// Buy Normal Ball Button
var buyNormalButton = LK.getAsset('BuyBall50', {
	size: 80,
	fill: 0xFFFFFF,
	anchorX: 0.5,
	anchorY: 1,
	y: -20,
	x: -GAME_WIDTH / 2 + 150
});
var normalCostText = new Text2(BALL_COST.toString(), {
	size: 50,
	fill: 0xFFFFFF
});
normalCostText.anchor.set(0.5, 0);
normalCostText.y = 100;
buyNormalButton.addChild(normalCostText);
buyNormalButton.addChild(buyNormalButton.attachAsset('ball', {
	anchorX: 0.5,
	anchorY: -0.5,
	scaleX: 0.5,
	scaleY: 0.5
}));
buyNormalButton.down = function () {
	if (score >= BALL_COST) {
		score -= BALL_COST;
		scoreTxt.setText('Score: ' + score.toString());
		createBall('normal');
	}
};
bottomHud.addChild(buyNormalButton);
// Buy Splash Ball Button
var buySplashButton = LK.getAsset('BuyBall50', {
	size: 80,
	fill: 0xFFFFFF,
	anchorX: 0.5,
	anchorY: 1,
	y: -20,
	x: -GAME_WIDTH / 2 + 300
});
var splashCostText = new Text2(upgrades.splashBallCost.toString(), {
	size: 50,
	fill: 0xFFFFFF
});
splashCostText.anchor.set(0.5, 0);
splashCostText.y = 100;
buySplashButton.addChild(splashCostText);
buySplashButton.addChild(buySplashButton.attachAsset('splashBall', {
	anchorX: 0.5,
	anchorY: -0.5,
	scaleX: 0.5,
	scaleY: 0.5
}));
buySplashButton.down = function () {
	if (score >= upgrades.splashBallCost) {
		score -= upgrades.splashBallCost;
		scoreTxt.setText('Score: ' + score.toString());
		createBall('splash');
	}
};
bottomHud.addChild(buySplashButton);
// Upgrade Buttons
function createUpgradeButton(label, x, costKey, upgradeKey, increment, updateFn) {
	var button = LK.getAsset('BuyBall50', {
		size: 80,
		fill: 0xFFFFFF,
		anchorX: 0.5,
		anchorY: 1,
		y: -20,
		x: x
	});
	var costText = new Text2(upgrades[costKey].toString(), {
		size: 50,
		fill: 0xFFFFFF
	});
	costText.anchor.set(0.5, 0);
	costText.y = 100;
	button.addChild(costText);
	var labelText = new Text2(label, {
		size: 20,
		fill: 0xFFFFFF
	});
	labelText.anchor.set(0.5, -0.5);
	button.addChild(labelText);
	button.down = function () {
		if (score >= upgrades[costKey]) {
			score -= upgrades[costKey];
			upgrades[upgradeKey] += increment;
			upgrades[costKey] *= 1.1; // Cost increases by 10%
			costText.setText(Math.floor(upgrades[costKey]).toString());
			scoreTxt.setText('Score: ' + score.toString());
			updateFn();
		}
	};
	bottomHud.addChild(button);
}
createUpgradeButton('Spd N', -GAME_WIDTH / 2 + 450, 'speedCost', 'normalSpeed', 0.5, function () {
	return balls.forEach(function (b) {
		if (b.type === 'normal') {
			b.speed = upgrades.normalSpeed;
		}
	});
});
createUpgradeButton('Pwr N', -GAME_WIDTH / 2 + 600, 'powerCost', 'normalPower', 1, function () {
	return balls.forEach(function (b) {
		if (b.type === 'normal') {
			b.power = upgrades.normalPower;
		}
	});
});
createUpgradeButton('Spd S', -GAME_WIDTH / 2 + 750, 'speedCost', 'splashSpeed', 0.5, function () {
	return balls.forEach(function (b) {
		if (b.type === 'splash') {
			b.speed = upgrades.splashSpeed;
		}
	});
});
createUpgradeButton('Pwr S', -GAME_WIDTH / 2 + 900, 'powerCost', 'splashPower', 1, function () {
	return balls.forEach(function (b) {
		if (b.type === 'splash') {
			b.power = upgrades.splashPower;
		}
	});
});
createUpgradeButton('Tap', -GAME_WIDTH / 2 + 1050, 'tapCost', 'tapDamage', 1, function () {});
// ... (Helper Functions and Game Logic remain the same) ...
// Initialize game elements
createBricks();
createBall();

===================================================================
--- original.js
+++ change.js
@@ -27,8 +27,10 @@
 /**** * Game Code
 ****/ 
 // Define GAME_WIDTH constant
 var GAME_WIDTH = 2048; // Assuming the virtual resolution width
+// Define BALL_COST constant
+var BALL_COST = 50; // Assuming a default cost for a normal ball
 // ... (Constants and Game Variables remain the same) ...
 // HUD Setup
 var topHud = new Container();
 LK.gui.top.addChild(topHud);