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

/**** 
* Classes
****/ 
var BeatRing = Container.expand(function () {
	var self = Container.call(this);
	var ringGraphics = self.attachAsset('beatRing', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	ringGraphics.alpha = 0.3;
	ringGraphics.scaleX = 0.1;
	ringGraphics.scaleY = 0.1;
	self.animate = function () {
		tween(ringGraphics, {
			scaleX: 1.5,
			scaleY: 1.5,
			alpha: 0
		}, {
			duration: 1000,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	return self;
});
var Bubble = Container.expand(function (color, isGolden) {
	var self = Container.call(this);
	var bubbleAsset = isGolden ? 'goldenBubble' : 'bubble';
	var bubbleGraphics = self.attachAsset(bubbleAsset, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	if (!isGolden) {
		bubbleGraphics.tint = color;
	}
	self.isGolden = isGolden || false;
	self.color = color;
	self.noteIndex = Math.floor(Math.random() * 4);
	self.spawned = false;
	self.pulseTween = null;
	self.lastPulseTime = 0;
	self.floatTween = null;
	// Add floating motion
	self.startFloat = function () {
		if (self.floatTween) {
			tween.stop(self, {
				y: true
			});
		}
		var floatAmount = 20 + Math.random() * 30;
		var floatDuration = 2000 + Math.random() * 1000;
		self.floatTween = tween(self, {
			y: self.y - floatAmount
		}, {
			duration: floatDuration,
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				tween(self, {
					y: self.y + floatAmount
				}, {
					duration: floatDuration,
					easing: tween.easeInOut,
					onFinish: function onFinish() {
						if (!self.destroyed) {
							self.startFloat();
						}
					}
				});
			}
		});
	};
	// Enhanced pulsing effect with color changes
	self.startPulse = function () {
		self.lastPulseTime = LK.ticks;
		if (self.pulseTween) {
			tween.stop(bubbleGraphics, {
				scaleX: true,
				scaleY: true
			});
		}
		// Add glow effect on pulse
		var originalTint = bubbleGraphics.tint;
		tween(bubbleGraphics, {
			tint: 0xFFFFFF
		}, {
			duration: 150,
			onFinish: function onFinish() {
				tween(bubbleGraphics, {
					tint: originalTint
				}, {
					duration: 150
				});
			}
		});
		self.pulseTween = tween(bubbleGraphics, {
			scaleX: 1.3,
			scaleY: 1.3
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(bubbleGraphics, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 400,
					easing: tween.bounceOut
				});
			}
		});
	};
	self.pop = function () {
		var popSounds = ['pop1', 'pop2', 'pop3', 'pop4'];
		var soundToPlay = self.isGolden ? 'goldenPop' : popSounds[self.noteIndex];
		LK.getSound(soundToPlay).play();
		// Create particle explosion
		createParticleExplosion(self.x, self.y, self.color, self.isGolden);
		// Enhanced pop animation
		tween(bubbleGraphics, {
			scaleX: 2.0,
			scaleY: 2.0,
			alpha: 0,
			rotation: Math.PI * 2
		}, {
			duration: 300,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	self.down = function (x, y, obj) {
		var currentTime = LK.ticks;
		var beatInterval = 60;
		var beatPosition = currentTime % beatInterval;
		var timingWindow = 12; // Slightly larger timing window
		var isPerfectTiming = beatPosition <= timingWindow || beatPosition >= beatInterval - timingWindow;
		// Visual feedback on touch
		tween(bubbleGraphics, {
			scaleX: 0.8,
			scaleY: 0.8
		}, {
			duration: 100,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				tween(bubbleGraphics, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 100,
					easing: tween.easeOut
				});
			}
		});
		if (isPerfectTiming) {
			onBubblePopped(self, true);
		} else {
			onBubblePopped(self, false);
		}
	};
	return self;
});
var Particle = Container.expand(function (color, size) {
	var self = Container.call(this);
	var particleGraphics = self.attachAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	particleGraphics.tint = color || 0xFFFFFF;
	particleGraphics.scaleX = size || 1;
	particleGraphics.scaleY = size || 1;
	self.velocity = {
		x: 0,
		y: 0
	};
	self.gravity = 0.2;
	self.life = 60; // 1 second at 60fps
	self.update = function () {
		self.x += self.velocity.x;
		self.y += self.velocity.y;
		self.velocity.y += self.gravity;
		self.life--;
		// Fade out over time
		particleGraphics.alpha = self.life / 60;
		if (self.life <= 0) {
			self.destroy();
		}
	};
	return self;
});
var PerfectIndicator = Container.expand(function () {
	var self = Container.call(this);
	var indicator = self.attachAsset('perfectIndicator', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0
	});
	self.show = function (x, y) {
		self.x = x;
		self.y = y;
		indicator.alpha = 1;
		indicator.scaleX = 0.5;
		indicator.scaleY = 0.5;
		tween(indicator, {
			scaleX: 1,
			scaleY: 1,
			alpha: 0
		}, {
			duration: 500,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a2e
});

/**** 
* Game Code
****/ 
var gameState = 'start'; // 'start' or 'playing'
var bubbles = [];
var particles = [];
var beatRings = [];
var score = 0;
var combo = 0;
var health = 5;
var gameSpeed = 1;
var spawnTimer = 0;
var beatTimer = 0;
var perfectIndicators = [];
var bubbleColors = [0x4A90E2, 0xFF6B6B, 0x4ECDC4, 0xFFE66D, 0x95E1D3, 0xFF69B4, 0x32CD32, 0xFFA500];
var bestScore = storage.bestScore || 0;
// Particle explosion function
function createParticleExplosion(x, y, color, isGolden) {
	var particleCount = isGolden ? 15 : 8;
	var particleColors = isGolden ? [0xFFD700, 0xFFA500, 0xFFFF00] : [color, 0xFFFFFF];
	for (var i = 0; i < particleCount; i++) {
		var particle = new Particle(particleColors[Math.floor(Math.random() * particleColors.length)], 0.5 + Math.random() * 0.5);
		particle.x = x + (Math.random() - 0.5) * 40;
		particle.y = y + (Math.random() - 0.5) * 40;
		particle.velocity.x = (Math.random() - 0.5) * 8;
		particle.velocity.y = (Math.random() - 0.5) * 8 - 2;
		particles.push(particle);
		game.addChild(particle);
	}
}
// Create beat ring effect
function createBeatRing() {
	var ring = new BeatRing();
	ring.x = 2048 / 2;
	ring.y = 2732 / 2;
	beatRings.push(ring);
	game.addChild(ring);
	ring.animate();
}
// Enhanced background effects
function updateBackgroundEffects() {
	// Background pulse removed
}
// Start screen UI
var titleText = new Text2('START', {
	size: 200,
	fill: 0xFFD700
});
titleText.anchor.set(0.5, 0.5);
LK.gui.center.addChild(titleText);
var instructionsText = new Text2('Pop bubbles in rhythm with the music!\nTap to start playing', {
	size: 60,
	fill: 0xFFFFFF
});
instructionsText.anchor.set(0.5, 0.5);
instructionsText.y = 200;
LK.gui.center.addChild(instructionsText);
var startBestScoreText = new Text2('Best Score: ' + bestScore, {
	size: 80,
	fill: 0x4ECDC4
});
startBestScoreText.anchor.set(0.5, 0.5);
startBestScoreText.y = 350;
LK.gui.center.addChild(startBestScoreText);
// Game UI (initially hidden)
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
scoreText.visible = false;
LK.gui.top.addChild(scoreText);
var comboText = new Text2('Combo: 0', {
	size: 60,
	fill: 0xFFD700
});
comboText.anchor.set(0, 0);
comboText.x = 50;
comboText.y = 120;
comboText.visible = false;
LK.gui.top.addChild(comboText);
var healthText = new Text2('♥♥♥♥♥', {
	size: 70,
	fill: 0xFF4444
});
healthText.anchor.set(1, 0);
healthText.visible = false;
LK.gui.topRight.addChild(healthText);
var bestScoreText = new Text2('Best: ' + bestScore, {
	size: 50,
	fill: 0xFFFFFF
});
bestScoreText.anchor.set(0, 0);
bestScoreText.x = 50;
bestScoreText.y = 200;
bestScoreText.visible = false;
LK.gui.top.addChild(bestScoreText);
function startGame() {
	gameState = 'playing';
	// Hide start screen UI
	titleText.visible = false;
	instructionsText.visible = false;
	startBestScoreText.visible = false;
	// Show game UI
	scoreText.visible = true;
	comboText.visible = true;
	healthText.visible = true;
	bestScoreText.visible = true;
}
// Touch handler for starting game
game.down = function (x, y, obj) {
	if (gameState === 'start') {
		startGame();
	}
};
function updateUI() {
	scoreText.setText('Score: ' + score);
	comboText.setText('Combo: ' + combo);
	var hearts = '';
	for (var i = 0; i < health; i++) {
		hearts += '♥';
	}
	healthText.setText(hearts);
	// Update best score if current score is higher
	if (score > bestScore) {
		bestScore = score;
		storage.bestScore = bestScore;
		bestScoreText.setText('Best: ' + bestScore);
	}
}
function spawnBubble() {
	var isGolden = Math.random() < 0.15; // 15% chance for golden bubble
	var color = bubbleColors[Math.floor(Math.random() * bubbleColors.length)];
	var bubble = new Bubble(color, isGolden);
	// Better spawn positioning with grid-like distribution
	var attempts = 0;
	var maxAttempts = 20;
	do {
		bubble.x = Math.random() * (2048 - 300) + 150;
		bubble.y = Math.random() * (2732 - 600) + 300;
		attempts++;
	} while (isTooCloseToOthers(bubble) && attempts < maxAttempts);
	if (attempts < maxAttempts) {
		bubbles.push(bubble);
		game.addChild(bubble);
		bubble.spawned = true;
		bubble.lastPulseTime = LK.ticks;
		// Enhanced spawn animation with rotation and bounce
		bubble.alpha = 0;
		bubble.scaleX = 0;
		bubble.scaleY = 0;
		bubble.rotation = Math.PI * 2;
		bubble.y -= 100; // Start above final position
		tween(bubble, {
			alpha: 1,
			scaleX: 1.2,
			scaleY: 1.2,
			rotation: 0,
			y: bubble.y + 100
		}, {
			duration: 500,
			easing: tween.bounceOut,
			onFinish: function onFinish() {
				tween(bubble, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 200,
					easing: tween.easeOut
				});
				bubble.startFloat(); // Start floating animation
			}
		});
		// Add sparkle effect for golden bubbles
		if (isGolden) {
			createSparkleEffect(bubble);
		}
	} else {
		bubble.destroy();
	}
}
function isTooCloseToOthers(bubble) {
	for (var i = 0; i < bubbles.length; i++) {
		var distance = Math.sqrt(Math.pow(bubble.x - bubbles[i].x, 2) + Math.pow(bubble.y - bubbles[i].y, 2));
		if (distance < 200) {
			return true;
		}
	}
	return false;
}
function createSparkleEffect(bubble) {
	var sparkleTimer = LK.setInterval(function () {
		if (bubble.destroyed) {
			LK.clearInterval(sparkleTimer);
			return;
		}
		var sparkle = new Particle(0xFFD700, 0.3);
		sparkle.x = bubble.x + (Math.random() - 0.5) * 100;
		sparkle.y = bubble.y + (Math.random() - 0.5) * 100;
		sparkle.velocity.x = (Math.random() - 0.5) * 1;
		sparkle.velocity.y = (Math.random() - 0.5) * 1;
		sparkle.gravity = -0.05; // Float upward more slowly
		particles.push(sparkle);
		game.addChild(sparkle);
	}, 400);
}
function onBubblePopped(bubble, isPerfect) {
	var basePoints = bubble.isGolden ? 100 : 10;
	var points = isPerfect ? basePoints * 2 : basePoints;
	if (isPerfect) {
		combo++;
		points *= 1 + combo * 0.1;
		// Show perfect indicator
		var indicator = new PerfectIndicator();
		perfectIndicators.push(indicator);
		game.addChild(indicator);
		indicator.show(bubble.x, bubble.y);
		if (bubble.isGolden) {
			LK.effects.flashScreen(0xFFD700, 300);
		}
	} else {
		combo = 0;
	}
	score += Math.floor(points);
	// Remove bubble from array
	for (var i = 0; i < bubbles.length; i++) {
		if (bubbles[i] === bubble) {
			bubbles.splice(i, 1);
			break;
		}
	}
	bubble.pop();
	updateUI();
}
function missedBeat() {
	combo = 0;
	health--;
	LK.effects.flashScreen(0xFF0000, 200);
	LK.getSound('miss').play();
	if (health <= 0) {
		LK.showGameOver();
	}
	updateUI();
}
// Start background music
LK.playMusic('bgMusic');
game.update = function () {
	if (gameState === 'start') {
		// Update best score display on start screen
		startBestScoreText.setText('Best Score: ' + bestScore);
		// Animate start screen elements
		titleText.rotation = Math.sin(LK.ticks * 0.01) * 0.1;
		return;
	}
	beatTimer++;
	spawnTimer++;
	updateBackgroundEffects();
	// Enhanced beat visualization
	if (beatTimer % 60 === 0) {
		// Every second - create beat ring and pulse bubbles
		createBeatRing();
		for (var i = 0; i < bubbles.length; i++) {
			bubbles[i].startPulse();
		}
	}
	// Update particles
	for (var p = particles.length - 1; p >= 0; p--) {
		var particle = particles[p];
		if (particle.destroyed) {
			particles.splice(p, 1);
		}
	}
	// Clean up beat rings
	for (var r = beatRings.length - 1; r >= 0; r--) {
		if (beatRings[r].destroyed) {
			beatRings.splice(r, 1);
		}
	}
	// Check if 6 bubbles are on screen - game over condition (increased from 5)
	if (bubbles.length >= 6) {
		// Update best score before game over
		if (score > bestScore) {
			bestScore = score;
			storage.bestScore = bestScore;
		}
		// Screen shake effect before game over
		LK.effects.flashScreen(0xFF0000, 500);
		LK.showGameOver();
	}
	// Dynamic spawn rate based on score and combo
	var baseSpawnRate = Math.max(150 - Math.floor(score / 50) * 5, 80);
	var comboBonus = Math.min(combo * 5, 30);
	var spawnRate = baseSpawnRate - comboBonus;
	if (spawnTimer >= spawnRate && bubbles.length < 10) {
		spawnBubble();
		spawnTimer = 0;
	}
	// Remove bubbles that have been on screen too long
	for (var i = bubbles.length - 1; i >= 0; i--) {
		var bubble = bubbles[i];
		// Slightly longer lifetime for better gameplay
		if (bubble.spawned && LK.ticks - bubble.lastPulseTime > 1500) {
			// Warning effect before removal
			tween(bubble, {
				alpha: 0.3,
				scaleX: 0.8,
				scaleY: 0.8
			}, {
				duration: 300,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					if (!bubble.destroyed) {
						bubble.destroy();
						bubbles.splice(i, 1);
						missedBeat();
					}
				}
			});
		}
	}
	// Clean up perfect indicators
	for (var j = perfectIndicators.length - 1; j >= 0; j--) {
		if (perfectIndicators[j].destroyed) {
			perfectIndicators.splice(j, 1);
		}
	}
	// Increase difficulty
	gameSpeed = 1 + score / 1000;
	// Win condition
	if (score >= 3000) {
		LK.showYouWin();
	}
};
// Initialize UI
updateUI();

===================================================================
--- original.js
+++ change.js
@@ -246,9 +246,8 @@
 var beatTimer = 0;
 var perfectIndicators = [];
 var bubbleColors = [0x4A90E2, 0xFF6B6B, 0x4ECDC4, 0xFFE66D, 0x95E1D3, 0xFF69B4, 0x32CD32, 0xFFA500];
 var bestScore = storage.bestScore || 0;
-var backgroundPulse = 0;
 // Particle explosion function
 function createParticleExplosion(x, y, color, isGolden) {
 	var particleCount = isGolden ? 15 : 8;
 	var particleColors = isGolden ? [0xFFD700, 0xFFA500, 0xFFFF00] : [color, 0xFFFFFF];
@@ -272,11 +271,9 @@
 	ring.animate();
 }
 // Enhanced background effects
 function updateBackgroundEffects() {
-	backgroundPulse += 0.02;
-	var pulseValue = Math.sin(backgroundPulse) * 0.1 + 0.9;
-	game.setBackgroundColor(0x1a1a2e * pulseValue);
+	// Background pulse removed
 }
 // Start screen UI
 var titleText = new Text2('START', {
 	size: 200,