/**** 
* Classes
****/ 
var CircularObstacle = Container.expand(function (starX, starY, radius, angleSpeed, initialAngle) {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.angle = initialAngle || 0;
	self.radius = radius;
	self.angleSpeed = angleSpeed * 0.75;
	self.starX = starX;
	self.starY = starY;
	self.updatePosition = function () {
		self.x = self.starX + Math.cos(self.angle) * self.radius;
		self.y = self.starY + Math.sin(self.angle) * self.radius;
		self.angle += self.angleSpeed * 0.35;
		obstacleGraphics.rotation += self.angleSpeed * 0.35;
	};
	self.moveDown = function (distance, dotY) {
		var speedMultiplier = dotY < 1200 ? 3 : dotY < 1400 ? 2 : dotY < 2000 ? 1.3 : 1.2;
		self.starY += distance * speedMultiplier;
	};
	self.updatePosition();
});
var Dot = Container.expand(function () {
	var self = Container.call(this);
	var dotGraphics = self.attachAsset('dot', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.destroyed = false;
	self.velocityY = 0;
	self.gravity = 0.7;
	self.bounce = -15;
	self._update_migrated = function () {
		var previousY = self.y;
		self.velocityY += self.gravity;
		self.y += self.velocityY;
		if (!self.firstTouch && !self.intersects(hand)) {
			self.y = 2732 - self.height / 2 - 500;
		} else if (self.intersects(hand)) {
			self.bounceUp();
		} else if (self.y > 2232 - self.height / 2 && self.firstTouch && !self.firstStarDestroyed) {
			self.velocityY = self.bounce;
		} else if (self.y > 2832 && !self.destroyed) {
			createDotParticleEffect(self.x, self.y);
			self.destroyed = true;
			self.destroy();
			LK.getSound('death').play(); // Play death sound
			LK.setTimeout(function () {
				LK.showGameOver();
			}, 1000);
		}
		self.movedDistance = self.y - previousY;
	};
	self.bounceUp = function () {
		if (!self.destroyed) {
			self.velocityY = self.bounce;
			self.firstTouch = true;
			if (!self.firstStarDestroyed) {
				self.firstStarDestroyed = true;
			}
		}
	};
});
var DotParticleEffect = Container.expand(function (x, y) {
	var self = Container.call(this);
	self.x = x;
	self.y = y;
	var particles = [];
	var angleIncrement = Math.PI * 2 / 20;
	var speed = 30;
	for (var i = 0; i < 20; i++) {
		var particle = self.attachAsset('dot', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		particle.scaleX = particle.scaleY = 0.5;
		particle.alpha = 1;
		var angle = i * angleIncrement;
		particle.vx = Math.cos(angle) * speed;
		particle.vy = Math.sin(angle) * speed;
		particles.push(particle);
	}
	self._update_migrated = function () {
		for (var i = particles.length - 1; i >= 0; i--) {
			particles[i].x += particles[i].vx;
			particles[i].y += particles[i].vy;
			particles[i].alpha -= 0.0167;
			if (particles[i].alpha <= 0) {
				particles[i].destroy();
				particles.splice(i, 1);
			}
		}
		if (particles.length === 0) {
			self.destroy();
		}
	};
	game.addChild(self);
});
// Add Hand asset below the dot
var Hand = Container.expand(function () {
	var self = Container.call(this);
	var handGraphics = self.attachAsset('hand', {
		anchorX: 0.5,
		anchorY: 0,
		alpha: 0.9
	});
	// Add 'TAP' text to the hand
	var tapText = new Text2('Tap', {
		size: 100,
		fill: '#000000',
		font: 'Arial',
		fontWeight: 'normal',
		anchorX: 0.5,
		anchorY: 0.5,
		dropShadow: true,
		dropShadowColor: '#888888',
		dropShadowBlur: 4,
		dropShadowAngle: Math.PI / 6,
		dropShadowDistance: 6
	});
	tapText.x = -tapText.width / 2;
	tapText.y = handGraphics.height / 2 - tapText.height / 2;
	self.addChild(tapText);
	self._update_migrated = function (distance) {
		if (distance) {
			self.y += distance;
		}
	};
});
var OrbitLine = Container.expand(function (starX, starY, radius) {
	var self = Container.call(this);
	self.starX = starX;
	self.starY = starY;
	self.radius = radius;
	var segments = 50;
	var angleIncrement = Math.PI * 2 / segments;
	for (var i = 0; i < segments; i++) {
		var angle = i * angleIncrement;
		var dot = self.attachAsset('smallObstacle', {
			x: starX + Math.cos(angle) * radius,
			y: starY + Math.sin(angle) * radius,
			anchorX: 0.5,
			anchorY: 0.5
		});
		if (i % 2 === 0) {
			dot.alpha = 0;
		}
	}
	self.moveDown = function (distance, dotY) {
		var speedMultiplier = dotY < 1200 ? 3 : dotY < 1400 ? 2 : dotY < 2000 ? 1.3 : dotY < 2300 ? 1.2 : 1;
		self.y += distance * speedMultiplier;
	};
});
var ParticleEffect = Container.expand(function (x, y) {
	var self = Container.call(this);
	self.x = x;
	self.y = y;
	var particles = [];
	for (var i = 0; i < 20; i++) {
		var particle = self.attachAsset('star', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		particle.scaleX = particle.scaleY = Math.random() * 0.5 + 0.5;
		particle.alpha = 0.7;
		particle.vx = (Math.random() - 0.5) * 10;
		particle.vy = (Math.random() - 0.5) * 10;
		particles.push(particle);
	}
	self._update_migrated = function () {
		for (var i = particles.length - 1; i >= 0; i--) {
			particles[i].x += particles[i].vx;
			particles[i].y += particles[i].vy;
			particles[i].alpha -= 0.02;
			if (particles[i].alpha <= 0) {
				particles[i].destroy();
				particles.splice(i, 1);
			}
		}
		if (particles.length === 0) {
			self.destroy();
		}
	};
	game.addChild(self);
});
var ScorePopup = Container.expand(function (x, y) {
	var self = Container.call(this);
	self.x = x;
	self.y = y;
	var scoreText = new Text2('+1', {
		size: 100,
		fill: 0xFFFFFF,
		anchorX: 0.5,
		anchorY: 0.5
	});
	scoreText.x = -scoreText.width / 2;
	scoreText.y = -scoreText.height / 2;
	self.addChild(scoreText);
	self.alpha = 1;
	var duration = 120;
	self._update_migrated = function () {
		duration--;
		self.y -= 2;
		self.alpha -= 1 / 120;
		if (duration <= 0) {
			self.destroy();
		}
	};
	game.addChild(self);
});
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.scaleDirection = 1;
	self.scaleSpeed = 0.005;
	self.minScale = 1;
	self.maxScale = 1.2;
	self.moveDown = function (distance, dotY) {
		var speedMultiplier = dotY < 1200 ? 3 : dotY < 1400 ? 2 : dotY < 2000 ? 1.3 : 1.2;
		self.y += distance * speedMultiplier;
		if (self.y > 2732 - self.height / 2) {
			self.y = -self.height / 2;
		}
	};
	self.updateScale = function () {
		if (self.scaleDirection === 1 && starGraphics.scale.x < self.maxScale) {
			starGraphics.scale.x += self.scaleSpeed;
			starGraphics.scale.y += self.scaleSpeed;
		} else if (self.scaleDirection === -1 && starGraphics.scale.x > self.minScale) {
			starGraphics.scale.x -= self.scaleSpeed;
			starGraphics.scale.y -= self.scaleSpeed;
		}
		if (starGraphics.scale.x >= self.maxScale || starGraphics.scale.x <= self.minScale) {
			self.scaleDirection *= -1;
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 // Ensure the background is black for the main menu
});

/**** 
* Game Code
****/ 
// The background music is now handled within the startGame function and game over sequence.
// This tick listener is no longer needed for starting the music.
// Import storage plugin and initialize high score if not present
var highScore = storage.highScore || 0;
// Initialize the offscreen threshold for destroying obstacles
var offscreenThreshold = 2732 + 1000;
function createParticleEffect(x, y) {
	var effect = new ParticleEffect(x, y);
	LK.on('tick', function () {
		effect._update_migrated();
	});
}
function createDotParticleEffect(x, y) {
	var effect = new DotParticleEffect(x, y);
	LK.on('tick', function () {
		effect._update_migrated();
	});
}
var obstacles = [];
function updateObstacles() {
	var obstacleCount = 5 + LK.getScore();
	while (obstacles.length < obstacleCount) {
		var obstacle = game.addChild(new Obstacle());
		obstacle.x = obstacle.direction === 1 ? -obstacle.width / 2 : 2048 + obstacle.width / 2;
		obstacle.y = Math.random() * (2732 - obstacle.height) + obstacle.height / 2;
		obstacles.push(obstacle);
	}
}
var scoreTxt = new Text2('', {
	size: 200,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
scoreTxt.x = 600; // Position relative to gui.top's anchor
LK.gui.top.addChild(scoreTxt);
// LK.gui.top.addChild(scoreTxt); // Removed duplicate line 
scoreTxt.visible = false; // Initially hidden
game.on('down', function (x, y, obj) {
	// This listener is for in-game bounces, start game is handled by a separate listener later
	if (!inMainMenu && dot) {
		dot.bounceUp();
		LK.getSound('bounce').play();
	}
});
var stars = [];
// Initial star and orbitLine will be created in startGame
// obstacles array is already declared: var obstacles = [];
// Modified spawnInitialObstacles to accept parameters
function spawnInitialObstacles(targetStar, radius, count) {
	var starX = targetStar.x;
	var starY = targetStar.y;
	var angleSpeed = 0.05; // Default angle speed for initial obstacles
	for (var i = 0; i < count; i++) {
		var obstacle = game.addChild(new CircularObstacle(starX, starY, radius, angleSpeed, Math.random() * Math.PI * 2)); // Added random initial angle
		obstacles.push(obstacle);
	}
}
// spawnInitialObstacles(); // Global call removed, will be called from startGame
LK.on('tick', function () {
	if (inMainMenu || !dot || dot.destroyed) return; // Ensure dot exists and is not destroyed
	dot._update_migrated();
	// Ensure dot still exists after its own update before processing obstacles and stars
	if (!dot || dot.destroyed) return;
	for (var i = 0; i < obstacles.length; i++) {
		if (obstacles[i] instanceof CircularObstacle) {
			obstacles[i].updatePosition();
		} else {
			// This branch seems to be for a different type of obstacle not currently in use for collisions
			// or movement in the same way as CircularObstacle or OrbitLine.
			// Ensuring it has _move_migrated and is visible if it were to be used.
			if (typeof obstacles[i]._move_migrated === 'function') {
				obstacles[i]._move_migrated();
			}
		}
		// Check dot again, as its state might change due to its own update logic (e.g., falling off screen)
		if (!dot || dot.destroyed) break; // Exit loop if dot is gone
		if (dot.y < 2300 && dot.movedDistance < 0) {
			// Vertical scrolling movement for obstacles
			if (typeof obstacles[i].moveDown === 'function') {
				// Ensure moveDown exists
				obstacles[i].moveDown(-dot.movedDistance, dot.y);
			}
		}
		if (dot.intersects(obstacles[i]) && !(obstacles[i] instanceof OrbitLine)) {
			if (!dot.destroyed) {
				// Check if not already destroyed (e.g. by multiple collisions in one frame)
				createDotParticleEffect(dot.x, dot.y);
				dot.destroyed = true; // Mark as destroyed in the dot's own state
				LK.getSound('death').play(); // Play death sound
			}
			// dot.destroy() and dot = null will be handled in the game over sequence triggered below
			// For now, just mark as destroyed to stop further interactions.
			// The actual destruction and game over sequence is triggered by dot._update_migrated or here.
			// If dot._update_migrated handles destruction (e.g. falling off screen), this is for collision.
			// Trigger game over sequence (which will destroy dot and set it to null)
			// This timeout was already here, now it's clear dot will be nulled inside it.
			var tempDot = dot; // temp reference for the timeout if needed.
			dot.destroy(); // Destroy the PIXI object
			dot = null; // Nullify the game's reference to stop further processing in this tick
			dot = null; // Set dot to null immediately after destruction
			LK.setTimeout(function () {
				// Update high score if needed
				if (LK.getScore() > highScore) {
					highScore = LK.getScore();
					storage.highScore = highScore;
				}
				// Show main menu again after game over
				mainMenuContainer.visible = true;
				highScoreText.setText('High Score: ' + highScore);
				inMainMenu = true;
				// Clean up game elements
				// dot is already destroyed and nulled
				if (hand && typeof hand.destroy === 'function') {
					hand.destroy();
				}
				hand = null;
				scoreTxt.visible = false;
				while (stars.length > 0) {
					var s = stars.pop();
					if (s && typeof s.destroy === 'function') {
						s.destroy();
					}
				}
				while (obstacles.length > 0) {
					var o = obstacles.pop();
					if (o && typeof o.destroy === 'function') {
						o.destroy();
					}
				}
				LK.showGameOver();
			}, 1000);
			// The duplicated high score update and main menu visibility logic below is redundant
			// as it's handled within the LK.setTimeout or by game reset.
			// Update high score if needed
			// if (LK.getScore() > highScore) {
			// highScore = LK.getScore();
			// storage.highScore = highScore;
			// }
			// Show main menu again after game over
			// mainMenuContainer.visible = true;
			// highScoreText.setText('High Score: ' + highScore);
			// inMainMenu = true;
		} else if (obstacles[i].y > offscreenThreshold) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
		}
	}
	for (var j = stars.length - 1; j >= 0; j--) {
		stars[j].updateScale();
		if (dot.intersects(stars[j])) {
			LK.getSound('star').play(); // Play star sound
			LK.setScore(LK.getScore() + 1);
			scoreTxt.setText(LK.getScore().toString());
			scoreTxt.alpha = 0;
			var originalY = scoreTxt.y;
			LK.on('tick', function updateScoreTextFadeIn() {
				scoreTxt.alpha += 0.05;
				scoreTxt.y = originalY - (1 - scoreTxt.alpha) * 50;
				if (scoreTxt.alpha >= 1) {
					scoreTxt.alpha = 1;
					LK.off('tick', updateScoreTextFadeIn);
				}
			});
			var oldStarY = stars[j].y;
			createParticleEffect(stars[j].x, stars[j].y);
			var scorePopup = new ScorePopup(stars[j].x, stars[j].y);
			LK.on('tick', function () {
				scorePopup._update_migrated();
			});
			stars[j].destroy();
			stars.splice(j, 1);
			var newStar = game.addChild(new Star());
			newStar.x = 2048 / 2;
			var additionalYOffset = LK.getScore() > 1 ? (LK.getScore() - 1) * 200 : 0;
			newStar.y = oldStarY - 2000 - additionalYOffset;
			stars.push(newStar);
			if (!handMoved && hand) {
				var handMoveDistance = 0;
				var handMoveInterval = LK.setInterval(function () {
					handMoveDistance += 1;
					hand._update_migrated(handMoveDistance);
					if (handMoveDistance >= 1000) {
						LK.clearInterval(handMoveInterval);
					}
				}, 10);
				handMoved = true;
			}
			// Increase the offscreen threshold for destroying obstacles
			offscreenThreshold += 300;
			// Add a cumulative number of CircularObstacles at random positions around the new star
			var cumulativeObstacles = 1 + LK.getScore();
			for (var k = 0; k < cumulativeObstacles; k++) {
				var randomAngle = Math.random() * Math.PI * 2; // Random angle in radians
				var radiusOffset = k * 100;
				var circularObstacle = game.addChild(new CircularObstacle(newStar.x, newStar.y, 300 + radiusOffset, 0.05 * (k % 2 === 0 ? 1 : -1), randomAngle));
				obstacles.push(circularObstacle);
			}
			// Add orbit line after creating all obstacles
			var orbitLine = game.addChild(new OrbitLine(newStar.x, newStar.y, 300 + radiusOffset));
			obstacles.push(orbitLine);
		} else if (dot.y < 2300 && dot.movedDistance < 0) {
			stars[j].moveDown(-dot.movedDistance, dot.y);
		}
	}
});
// Main menu state
var inMainMenu = true;
var mainMenuContainer = new Container();
var mainMenuBg = LK.getAsset('orbit', {
	anchorX: 0.5,
	anchorY: 0.5
});
mainMenuBg.x = 2048 / 2;
mainMenuBg.y = 2732 / 2;
mainMenuBg.scaleX = mainMenuBg.scaleY = 1.5;
mainMenuContainer.addChild(mainMenuBg);
var titleText = new Text2('Bounce Dot!', {
	size: 220,
	fill: 0xffffff,
	anchorX: 0.5,
	anchorY: 0.5,
	font: 'Arial Black'
});
titleText.x = 2048 / 2;
titleText.y = 700;
mainMenuContainer.addChild(titleText);
var tapToStartText = new Text2('Tap to Start', {
	size: 120,
	fill: 0xffff00,
	anchorX: 0.5,
	anchorY: 0.5,
	font: 'Arial'
});
tapToStartText.x = 2048 / 2;
tapToStartText.y = 1200;
mainMenuContainer.addChild(tapToStartText);
var highScoreText = new Text2('High Score: ' + highScore, {
	size: 100,
	fill: 0xffffff,
	anchorX: 0.5,
	anchorY: 0.5,
	font: 'Arial'
});
highScoreText.x = 2048 / 2;
highScoreText.y = 1000;
mainMenuContainer.addChild(highScoreText);
game.addChild(mainMenuContainer);
// Hide game elements until game starts
var dot,
	hand,
	handMoved = false;
function startGame() {
	if (!inMainMenu) return; // Don't start if already in game
	inMainMenu = false;
	mainMenuContainer.visible = false;
	// 1. Clean up previous game elements if any
	if (dot && typeof dot.destroy === 'function') {
		dot.destroy();
	}
	dot = null;
	if (hand && typeof hand.destroy === 'function') {
		hand.destroy();
	}
	hand = null;
	while (stars.length > 0) {
		var s = stars.pop();
		if (s && typeof s.destroy === 'function') {
			s.destroy();
		}
	}
	while (obstacles.length > 0) {
		var o = obstacles.pop();
		if (o && typeof o.destroy === 'function') {
			o.destroy();
		}
	}
	// 2. Reset score
	LK.setScore(0);
	scoreTxt.setText('0');
	scoreTxt.visible = true;
	// 3. Create new dot
	dot = game.addChild(new Dot());
	dot.x = 2048 / 2;
	dot.y = 2732 - dot.height / 2 - 200; // Initial position for dot
	// 4. Reset hand and create it
	handMoved = false;
	createHand(); // This function creates and adds hand to the game
	// 5. Spawn initial star
	var initialStar = game.addChild(new Star());
	initialStar.x = 2048 / 2;
	initialStar.y = 2732 / 2 - 500; // Position for the first star
	stars.push(initialStar);
	// 6. Spawn initial orbit line for the first star
	var initialOrbitLine = game.addChild(new OrbitLine(initialStar.x, initialStar.y, 300));
	obstacles.push(initialOrbitLine);
	// 7. Spawn initial circular obstacles around the first star
	spawnInitialObstacles(initialStar, 300, 20); // Pass star, radius, and count
	// 8. Reset other game state variables
	offscreenThreshold = 2732 + 1000; // Reset offscreen threshold
	// Ensure background music plays
	if (!LK.getSound('backgound').playing) {
		LK.getSound('backgound').play();
	}
}
function createHand() {
	hand = game.addChild(new Hand());
	hand.x = dot.x;
	hand.y = dot.y + dot.height / 2;
}
// Listen for tap to start
game.on('down', function (x, y, obj) {
	if (inMainMenu) {
		startGame();
		return;
	}
	if (dot) {
		dot.bounceUp();
		LK.getSound('bounce').play();
	}
});

===================================================================
--- original.js
+++ change.js
@@ -246,20 +246,16 @@
 /**** 
 * Initialize Game
 ****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
+	backgroundColor: 0x000000 // Ensure the background is black for the main menu
 });
 
 /**** 
 * Game Code
 ****/ 
-// Check if background music is playing, if not, then play it
-LK.on('tick', function () {
-	if (!LK.getSound('backgound').playing) {
-		LK.getSound('backgound').play();
-	}
-});
+// The background music is now handled within the startGame function and game over sequence.
+// This tick listener is no longer needed for starting the music.
 // Import storage plugin and initialize high score if not present
 var highScore = storage.highScore || 0;
 // Initialize the offscreen threshold for destroying obstacles
 var offscreenThreshold = 2732 + 1000;