/**** 
* Classes
****/ 
var Bubble = Container.expand(function () {
	var self = Container.call(this);
	self.isRed = false;
	self.speed = {
		x: 0,
		y: 0
	};
	self.bubbleGraphics = null;
	self.setup = function (isRed) {
		self.isRed = isRed;
		// Choose asset based on bubble type
		var assetId = isRed ? 'R0' : 'B0';
		self.bubbleGraphics = self.attachAsset(assetId, {
			anchorX: 0.5,
			anchorY: 0.5,
			scaleX: 1.5,
			scaleY: 1.5
		});
		// Set random speed
		self.speed = {
			x: Math.random() * 4 - 2,
			y: Math.random() * 4 - 2
		};
	};
	self.update = function () {
		// Move bubble
		self.x += self.speed.x;
		self.y += self.speed.y;
		// Bounce off walls
		if (self.x < 0 || self.x > 2048) {
			self.speed.x *= -1;
		}
		if (self.y < 0 || self.y > 2732) {
			self.speed.y *= -1;
		}
	};
	// Handle tap/click on bubble
	self.down = function (x, y, obj) {
		if (self.isRed) {
			// Play lose sound effect when red bubble is tapped
			LK.getSound('Lse').play();
			LK.effects.flashScreen(0xff0000, 500);
			LK.showGameOver();
			return;
		}
		// Play bubble pop sound immediately after tap
		LK.getSound('Bubpop').play();
		// Increase score if blue bubble is popped
		LK.setScore(LK.getScore() + 1);
		scoreTxt.setText(LK.getScore());
		// Remove this bubble
		self.destroy();
		// Find and remove from bubbles array
		var index = bubbles.indexOf(self);
		if (index > -1) {
			bubbles.splice(index, 1);
		}
		// If all blue bubbles are popped, create a new wave
		if (bubbles.length === 1 && bubbles[0].isRed) {
			createBubbleWave();
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
game.setBackgroundColor(0x87CEEB); // Light blue background
// Track game state
var gameStarted = false;
// Array to hold all bubble instances
var bubbles = [];
// Create score text
var scoreTxt = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Create welcome message
var welcomeTxt = new Text2('Tap to Start', {
	size: 120,
	fill: 0xFFFFFF
});
welcomeTxt.anchor.set(0.5, 0.5);
LK.gui.center.addChild(welcomeTxt);
// Function to create a new wave of bubbles
function createBubbleWave() {
	// Clear existing bubbles if any
	for (var i = bubbles.length - 1; i >= 0; i--) {
		bubbles[i].destroy();
	}
	bubbles = [];
	// Determine number of bubbles based on score
	var numBubbles = Math.min(5 + Math.floor(LK.getScore() / 5), 20);
	// Helper to avoid overlapping bubbles at spawn
	function getNonOverlappingPosition(existingBubbles, radius) {
		var maxTries = 100;
		for (var t = 0; t < maxTries; t++) {
			var x = Math.random() * (2048 - 2 * radius - 100) + radius + 50;
			var y = Math.random() * (2732 - 2 * radius - 100) + radius + 50;
			var overlap = false;
			for (var j = 0; j < existingBubbles.length; j++) {
				var dx = x - existingBubbles[j].x;
				var dy = y - existingBubbles[j].y;
				var dist = Math.sqrt(dx * dx + dy * dy);
				if (dist < radius * 2 + 10) {
					// 10px buffer
					overlap = true;
					break;
				}
			}
			if (!overlap) return {
				x: x,
				y: y
			};
		}
		// fallback: just return a random position
		return {
			x: Math.random() * (2048 - 2 * radius - 100) + radius + 50,
			y: Math.random() * (2732 - 2 * radius - 100) + radius + 50
		};
	}
	// Get bubble radius from asset size (assuming all bubbles same size)
	var tempBubble = new Bubble();
	tempBubble.setup(false);
	var bubbleRadius = tempBubble.bubbleGraphics.width * 1.5 / 2;
	tempBubble.destroy();
	// Create blue bubbles
	for (var i = 0; i < numBubbles - 1; i++) {
		var bubble = new Bubble();
		bubble.setup(false); // false = blue bubble
		var pos = getNonOverlappingPosition(bubbles, bubbleRadius);
		bubble.x = pos.x;
		bubble.y = pos.y;
		game.addChild(bubble);
		bubbles.push(bubble);
	}
	// Create one red bubble
	var redBubble = new Bubble();
	redBubble.setup(true); // true = red bubble
	var posRed = getNonOverlappingPosition(bubbles, bubbleRadius);
	redBubble.x = posRed.x;
	redBubble.y = posRed.y;
	game.addChild(redBubble);
	bubbles.push(redBubble);
}
// Update game every frame
game.update = function () {
	// Only update and create bubbles if game has started
	if (gameStarted) {
		// Update all bubbles
		for (var i = 0; i < bubbles.length; i++) {
			bubbles[i].update();
		}
		// Create bubbles if none exist
		if (bubbles.length === 0) {
			createBubbleWave();
		}
	}
	// Play lose sound effect when game over message is shown
	if (typeof LK !== "undefined" && typeof LK.isGameOver === "function" && LK.isGameOver()) {
		if (!game._loseSoundPlayed) {
			LK.getSound('De').play();
			LK.stopMusic();
			game._loseSoundPlayed = true;
		}
	} else {
		game._loseSoundPlayed = false;
	}
};
// Create instructions text
var instructionsTxt = new Text2('Pop the BLUE bubbles\nAvoid the RED one!', {
	size: 80,
	fill: 0xFFFFFF
});
instructionsTxt.anchor.set(0.5, 1);
LK.gui.bottom.addChild(instructionsTxt);
// Hide instructions until game starts
instructionsTxt.alpha = 0;
// Add click event to start game
game.down = function (x, y, obj) {
	if (!gameStarted) {
		gameStarted = true;
		welcomeTxt.alpha = 0;
		instructionsTxt.alpha = 1;
		// Play background music
		LK.playMusic('Jb');
		// Start the game
		createBubbleWave();
		// Hide instructions after 3 seconds
		LK.setTimeout(function () {
			instructionsTxt.alpha = 0;
		}, 3000);
	}
};

===================================================================
--- original.js
+++ change.js
@@ -40,9 +40,9 @@
 	// Handle tap/click on bubble
 	self.down = function (x, y, obj) {
 		if (self.isRed) {
 			// Play lose sound effect when red bubble is tapped
-			LK.getSound('De').play();
+			LK.getSound('Lse').play();
 			LK.effects.flashScreen(0xff0000, 500);
 			LK.showGameOver();
 			return;
 		}