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

/**** 
* Classes
****/ 
var Note = Container.expand(function (trackIndex, isPowerNote) {
	var self = Container.call(this);
	self.trackIndex = trackIndex;
	self.isPowerNote = isPowerNote || false;
	self.speed = 4;
	self.hasBeenTapped = false;
	self.lastY = 0;
	var noteGraphics = self.attachAsset(self.isPowerNote ? 'powerNote' : 'note', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	if (self.isPowerNote) {
		noteGraphics.tint = 0xFFD93D;
		self.scale.set(1.2);
	}
	self.update = function () {
		if (self.lastY === undefined) self.lastY = self.y;
		if (self.lastInTargetZone === undefined) self.lastInTargetZone = false;
		// Check if note just entered target zone
		var targetY = 1600; // unifiedTargetZone.y
		var inTargetZone = Math.abs(self.y - targetY) <= 100; // Within target zone range
		// Additional check: ensure no other note is currently in target zone
		var otherNoteInZone = false;
		for (var k = 0; k < notes.length; k++) {
			var otherNote = notes[k];
			if (otherNote !== self && !otherNote.hasBeenTapped && Math.abs(otherNote.y - targetY) <= 100) {
				otherNoteInZone = true;
				break;
			}
		}
		if (!self.lastInTargetZone && inTargetZone && !self.hasBeenTapped && !otherNoteInZone) {
			// Note just entered target zone and no other note is present - trigger explosion
			self.triggerExplosion();
		}
		self.lastY = self.y;
		self.lastInTargetZone = inTargetZone;
		self.y += self.speed;
	};
	self.checkTiming = function () {
		var targetY = unifiedTargetZone.y;
		var distance = Math.abs(self.y - targetY);
		if (distance <= 30) {
			return 'perfect';
		} else if (distance <= 60) {
			return 'good';
		}
		return 'miss';
	};
	self.triggerExplosion = function () {
		if (self.hasBeenTapped) return;
		var timing = self.checkTiming();
		if (timing !== 'miss') {
			self.hasBeenTapped = true;
			var points = 0;
			if (timing === 'perfect') {
				points = self.isPowerNote ? 200 : 100;
				LK.getSound('perfect').play();
				createParticleEffect(self.x, self.y, self.isPowerNote ? 0xFFD93D : 0x00FF00);
			} else if (timing === 'good') {
				points = self.isPowerNote ? 100 : 50;
				LK.getSound('tap').play();
				createParticleEffect(self.x, self.y, 0x87CEEB);
			}
			updateScore(points);
			// Start background music on first successful hit
			if (!musicStarted) {
				LK.playMusic('bgmusic');
				musicStarted = true;
			}
			unifiedTargetZone.flash();
			// Trigger explosion animation on corresponding bottom object
			var bottomObjects = [leftObject, centerObject, rightObject];
			if (bottomObjects[self.trackIndex]) {
				var targetObject = bottomObjects[self.trackIndex];
				// Flash the bottom object
				var originalAlpha = targetObject.alpha;
				tween(targetObject, {
					alpha: 1.0
				}, {
					duration: 100,
					onFinish: function onFinish() {
						tween(targetObject, {
							alpha: originalAlpha
						}, {
							duration: 200
						});
					}
				});
				// Scale pulse effect
				var originalScale = targetObject.scaleX;
				tween(targetObject, {
					scaleX: originalScale * 1.1,
					scaleY: originalScale * 1.1
				}, {
					duration: 150,
					onFinish: function onFinish() {
						tween(targetObject, {
							scaleX: originalScale,
							scaleY: originalScale
						}, {
							duration: 150
						});
					}
				});
			}
			// Explode the note
			tween(self, {
				scaleX: 3,
				scaleY: 3,
				alpha: 0
			}, {
				duration: 200,
				onFinish: function onFinish() {
					self.destroy();
					for (var j = 0; j < notes.length; j++) {
						if (notes[j] === self) {
							notes.splice(j, 1);
							break;
						}
					}
				}
			});
		}
	};
	return self;
});
var TargetZone = Container.expand(function (trackIndex) {
	var self = Container.call(this);
	self.trackIndex = trackIndex;
	var zoneGraphics = self.attachAsset('targetZone', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	zoneGraphics.alpha = 0.9;
	self.flash = function () {
		zoneGraphics.alpha = 1.0;
		tween(zoneGraphics, {
			alpha: 0.9
		}, {
			duration: 200
		});
	};
	return self;
});
var Track = Container.expand(function (trackIndex) {
	var self = Container.call(this);
	self.trackIndex = trackIndex;
	var trackGraphics = self.attachAsset('track', {
		anchorX: 0.5,
		anchorY: 0
	});
	trackGraphics.alpha = 0.1;
	return self;
});

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

/**** 
* Game Code
****/ 
// Game variables
var notes = [];
var tracks = [];
var targetZones = [];
var numTracks = 3;
var trackWidth = 300;
var gameWidth = 2048;
var score = 0;
var noteSpawnTimer = 0;
var noteSpawnInterval = 120;
var gameSpeed = 1;
var difficultyTimer = 0;
// Note queue system to prevent simultaneous target zone entry
var noteQueue = [];
var lastTargetZoneEntry = 0;
var minTimeBetweenEntries = 80; // Further increased minimum frames between notes entering target zone
// Vertical spacing system to prevent notes from overlapping
var minVerticalSpacing = 250; // Increased minimum pixels between notes vertically
// Bottom objects for explosion effects
var leftObject, centerObject, rightObject;
// Strip line references for sway effects
var leftStripLine, centerStripLine, rightStripLine;
// UI elements
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0, 0);
scoreTxt.x = 120; // Position away from platform menu icon
scoreTxt.y = 120; // Move further down from top
LK.gui.topLeft.addChild(scoreTxt);
// Add background image
var background = LK.getAsset('background', {
	anchorX: 0,
	anchorY: 0
});
background.x = 0;
background.y = 0;
background.tint = 0x000000;
game.addChild(background);
// Initialize tracks and unified target zone
var startX = (gameWidth - numTracks * trackWidth) / 2 + trackWidth / 2;
for (var i = 0; i < numTracks; i++) {
	var track = new Track(i);
	track.x = startX + i * trackWidth;
	track.y = 0;
	tracks.push(track);
	game.addChild(track);
}
// Create single unified target zone covering all tracks
var unifiedTargetZone = new TargetZone(0);
unifiedTargetZone.x = gameWidth / 2; // Center of screen
unifiedTargetZone.y = 1600;
// Scale the target zone to cover all tracks
unifiedTargetZone.scale.x = numTracks * trackWidth / 350; // Scale to cover all track widths
targetZones.push(unifiedTargetZone);
// Add unified background covering entire play area
var unifiedBg = LK.getAsset('unifiedBackground', {
	anchorX: 0.5,
	anchorY: 0
});
unifiedBg.x = gameWidth / 2; // Center horizontally
unifiedBg.y = 0; // Start from top of screen
unifiedBg.width = gameWidth + 800; // Extend much further beyond screen width on both sides
unifiedBg.height = 3500; // Extend further downward beyond screen height
unifiedBg.alpha = 0.8; // Slightly transparent to show game elements clearly
game.addChild(unifiedBg);
// Re-add strip lines and unified target zone to foreground
for (var i = 0; i < numTracks; i++) {
	// Add strip line for each track (moved to foreground)
	var stripLine = LK.getAsset('stripLine', {
		anchorX: 0.5,
		anchorY: 0
	});
	stripLine.x = startX + i * trackWidth;
	stripLine.y = 0;
	stripLine.alpha = 0.8;
	game.addChild(stripLine);
	// Store references to strip lines
	if (i === 0) leftStripLine = stripLine;else if (i === 1) centerStripLine = stripLine;else if (i === 2) rightStripLine = stripLine;
}
// Add unified target zone to foreground
game.addChild(unifiedTargetZone);
// Create rounded border around unified target zone
var borderThickness = 8;
var targetZoneWidth = 350 * unifiedTargetZone.scale.x;
var targetZoneHeight = 200;
// Top border
var topBorder = LK.getAsset('stripLine', {
	anchorX: 0.5,
	anchorY: 0.5
});
topBorder.width = targetZoneWidth - borderThickness;
topBorder.height = borderThickness;
topBorder.x = unifiedTargetZone.x;
topBorder.y = unifiedTargetZone.y - targetZoneHeight / 2 - borderThickness / 2;
topBorder.alpha = 1.0;
game.addChild(topBorder);
// Bottom border
var bottomBorder = LK.getAsset('stripLine', {
	anchorX: 0.5,
	anchorY: 0.5
});
bottomBorder.width = targetZoneWidth - borderThickness;
bottomBorder.height = borderThickness;
bottomBorder.x = unifiedTargetZone.x;
bottomBorder.y = unifiedTargetZone.y + targetZoneHeight / 2 + borderThickness / 2;
bottomBorder.alpha = 1.0;
game.addChild(bottomBorder);
// Left border
var leftBorder = LK.getAsset('stripLine', {
	anchorX: 0.5,
	anchorY: 0.5
});
leftBorder.width = borderThickness;
leftBorder.height = targetZoneHeight - borderThickness;
leftBorder.x = unifiedTargetZone.x - targetZoneWidth / 2 - borderThickness / 2;
leftBorder.y = unifiedTargetZone.y;
leftBorder.alpha = 1.0;
game.addChild(leftBorder);
// Right border
var rightBorder = LK.getAsset('stripLine', {
	anchorX: 0.5,
	anchorY: 0.5
});
rightBorder.width = borderThickness;
rightBorder.height = targetZoneHeight - borderThickness;
rightBorder.x = unifiedTargetZone.x + targetZoneWidth / 2 + borderThickness / 2;
rightBorder.y = unifiedTargetZone.y;
rightBorder.alpha = 1.0;
game.addChild(rightBorder);
// Add rounded corners with ellipses
// Top-left corner
var topLeftCorner = LK.getAsset('cornerEllipse', {
	anchorX: 0.5,
	anchorY: 0.5
});
topLeftCorner.x = unifiedTargetZone.x - targetZoneWidth / 2;
topLeftCorner.y = unifiedTargetZone.y - targetZoneHeight / 2;
topLeftCorner.alpha = 1.0;
game.addChild(topLeftCorner);
// Top-right corner
var topRightCorner = LK.getAsset('cornerEllipse', {
	anchorX: 0.5,
	anchorY: 0.5
});
topRightCorner.x = unifiedTargetZone.x + targetZoneWidth / 2;
topRightCorner.y = unifiedTargetZone.y - targetZoneHeight / 2;
topRightCorner.alpha = 1.0;
game.addChild(topRightCorner);
// Bottom-left corner
var bottomLeftCorner = LK.getAsset('cornerEllipse', {
	anchorX: 0.5,
	anchorY: 0.5
});
bottomLeftCorner.x = unifiedTargetZone.x - targetZoneWidth / 2;
bottomLeftCorner.y = unifiedTargetZone.y + targetZoneHeight / 2;
bottomLeftCorner.alpha = 1.0;
game.addChild(bottomLeftCorner);
// Bottom-right corner
var bottomRightCorner = LK.getAsset('cornerEllipse', {
	anchorX: 0.5,
	anchorY: 0.5
});
bottomRightCorner.x = unifiedTargetZone.x + targetZoneWidth / 2;
bottomRightCorner.y = unifiedTargetZone.y + targetZoneHeight / 2;
bottomRightCorner.alpha = 1.0;
game.addChild(bottomRightCorner);
// Helper functions
function spawnNote() {
	var trackIndex = Math.floor(Math.random() * numTracks);
	var isPowerNote = Math.random() < 0.1;
	// Add to queue instead of spawning directly
	noteQueue.push({
		trackIndex: trackIndex,
		isPowerNote: isPowerNote,
		readyTime: LK.ticks + Math.max(0, lastTargetZoneEntry + minTimeBetweenEntries - LK.ticks)
	});
}
function processNoteQueue() {
	for (var i = noteQueue.length - 1; i >= 0; i--) {
		var queuedNote = noteQueue[i];
		if (LK.ticks >= queuedNote.readyTime) {
			// Check if any note is currently in or approaching target zone
			var canSpawn = true;
			var targetY = 1600;
			var spawnY = -50;
			var targetZoneBuffer = 200; // Extended buffer zone around target
			for (var j = 0; j < notes.length; j++) {
				var existingNote = notes[j];
				// Check if note is in extended target zone area (larger buffer for safety)
				if (Math.abs(existingNote.y - targetY) <= targetZoneBuffer) {
					canSpawn = false;
					break;
				}
				// Check if note will reach target zone soon (prediction based on speed)
				var timeToTarget = (targetY - existingNote.y) / existingNote.speed;
				if (timeToTarget > 0 && timeToTarget <= 50) {
					// Within 50 frames of reaching target
					canSpawn = false;
					break;
				}
				// Check vertical spacing collision - prevent notes from being too close vertically
				if (Math.abs(existingNote.y - spawnY) < minVerticalSpacing) {
					canSpawn = false;
					break;
				}
			}
			if (canSpawn) {
				// Spawn the note
				var note = new Note(queuedNote.trackIndex, queuedNote.isPowerNote);
				note.x = startX + queuedNote.trackIndex * trackWidth;
				note.y = spawnY;
				note.speed = 4 * gameSpeed;
				notes.push(note);
				game.addChild(note);
				lastTargetZoneEntry = LK.ticks;
				noteQueue.splice(i, 1);
			} else {
				// Delay this note by adding minimum time
				queuedNote.readyTime = LK.ticks + minTimeBetweenEntries;
			}
		}
	}
}
function updateScore(points) {
	score += points;
	scoreTxt.setText('Score: ' + score);
	LK.setScore(score);
}
function createParticleEffect(x, y, color) {
	// Create multiple layers of particles for enhanced effect
	var totalParticles = 100; // Increased particle count
	var primaryParticles = 60;
	var secondaryParticles = 25;
	var trailParticles = 15;
	// Primary burst particles - fast moving with enhanced visuals
	for (var i = 0; i < primaryParticles; i++) {
		var particle = LK.getAsset('particle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		particle.x = x;
		particle.y = y;
		// Enhanced color with gradient-like effect
		var colorVariation = 0x202020 * Math.random();
		particle.tint = (color || 0xFFD93D) + colorVariation;
		particle.alpha = 0.9 + Math.random() * 0.1;
		game.addChild(particle);
		// Calculate random direction and speed for each particle
		var angle = i / primaryParticles * Math.PI * 2 + (Math.random() - 0.5) * 1.8;
		var speed = 600 + Math.random() * 500; // Enhanced speed range
		var targetX = x + Math.cos(angle) * speed;
		var targetY = y + Math.sin(angle) * speed;
		// Enhanced particle scaling with better proportions
		particle.scaleX = 2.5 + Math.random() * 2.0; // Better balanced particle size
		particle.scaleY = particle.scaleX + (Math.random() - 0.5) * 0.5; // Slight asymmetry for organic feel
		// Animate particle flying outward with enhanced effects
		tween(particle, {
			x: targetX,
			y: targetY,
			alpha: 0,
			scaleX: 0.05,
			// Smoother scale transition
			scaleY: 0.05,
			rotation: (Math.random() - 0.5) * Math.PI * 12 // Enhanced rotation
		}, {
			duration: 800 + Math.random() * 700,
			// Optimized duration for better visual flow
			easing: tween.easeOut,
			onFinish: function onFinish() {
				particle.destroy();
			}
		});
	}
	// Secondary slower particles for depth with improved visuals
	for (var i = 0; i < secondaryParticles; i++) {
		var particle = LK.getAsset('particle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		particle.x = x + (Math.random() - 0.5) * 40; // Refined initial spread
		particle.y = y + (Math.random() - 0.5) * 40;
		// Enhanced secondary particle coloring
		var secondaryColor = color || 0xFFD93D;
		var brightness = 0.7 + Math.random() * 0.3;
		particle.tint = secondaryColor * brightness;
		particle.alpha = 0.75 + Math.random() * 0.25;
		game.addChild(particle);
		var angle = Math.random() * Math.PI * 2;
		var speed = 350 + Math.random() * 250; // Enhanced secondary particle speed
		var targetX = x + Math.cos(angle) * speed;
		var targetY = y + Math.sin(angle) * speed;
		// Enhanced secondary particle scaling
		particle.scaleX = 1.8 + Math.random() * 1.5; // Better proportioned secondary particles
		particle.scaleY = particle.scaleX * (0.8 + Math.random() * 0.4); // Varied proportions
		// Delayed animation for staggered effect with enhanced timing
		tween(particle, {
			x: targetX,
			y: targetY,
			alpha: 0,
			scaleX: 0.1,
			// Smoother scale transition
			scaleY: 0.1,
			rotation: (Math.random() - 0.5) * Math.PI * 10 // Enhanced rotation
		}, {
			duration: 1000 + Math.random() * 800,
			// Refined duration
			easing: tween.easeInOut,
			onFinish: function onFinish() {
				particle.destroy();
			}
		});
	}
	// Enhanced trail particles that move upward
	for (var i = 0; i < trailParticles; i++) {
		var particle = LK.getAsset('particle', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		particle.x = x + (Math.random() - 0.5) * 60; // Enhanced initial spread
		particle.y = y;
		// Enhanced trail particle coloring with glow effect
		var trailColor = color || 0xFFD93D;
		var glowIntensity = 0.8 + Math.random() * 0.2;
		particle.tint = trailColor * glowIntensity;
		particle.alpha = 0.6 + Math.random() * 0.3;
		game.addChild(particle);
		// Enhanced trail particle scaling with better proportions
		particle.scaleX = 3.0 + Math.random() * 2.0; // Better balanced trail particles
		particle.scaleY = particle.scaleX * (0.6 + Math.random() * 0.8); // More varied shapes
		// Animate upward with enhanced gravity-like effect
		tween(particle, {
			x: particle.x + (Math.random() - 0.5) * 200,
			// Enhanced horizontal spread
			y: y - 350 - Math.random() * 250,
			// Enhanced upward movement
			alpha: 0,
			scaleX: 0.2,
			// Smoother scale transition
			scaleY: 0.2,
			rotation: (Math.random() - 0.5) * Math.PI * 8 // Enhanced rotation
		}, {
			duration: 1200 + Math.random() * 900,
			// Optimized duration
			easing: tween.easeOut,
			onFinish: function onFinish() {
				particle.destroy();
			}
		});
	}
}
function checkNoteInTrack(trackIndex) {
	for (var i = 0; i < notes.length; i++) {
		var note = notes[i];
		if (note.trackIndex === trackIndex && !note.hasBeenTapped) {
			var timing = note.checkTiming();
			if (timing !== 'miss') {
				note.hasBeenTapped = true;
				var points = 0;
				if (timing === 'perfect') {
					points = note.isPowerNote ? 200 : 100;
					LK.getSound('perfect').play();
					createParticleEffect(note.x, note.y, note.isPowerNote ? 0xFFD93D : 0x00FF00);
				} else if (timing === 'good') {
					points = note.isPowerNote ? 100 : 50;
					LK.getSound('tap').play();
					createParticleEffect(note.x, note.y, 0x87CEEB);
				}
				updateScore(points);
				// Start background music on first successful hit
				if (!musicStarted) {
					LK.playMusic('bgmusic');
					musicStarted = true;
				}
				unifiedTargetZone.flash();
				note.destroy();
				notes.splice(i, 1);
				return true;
			}
		}
	}
	return false;
}
// Touch handlers
game.down = function (x, y, obj) {
	for (var i = 0; i < numTracks; i++) {
		var trackX = startX + i * trackWidth;
		if (x >= trackX - trackWidth / 2 && x <= trackX + trackWidth / 2) {
			if (!checkNoteInTrack(i)) {
				LK.getSound('miss').play();
			}
			break;
		}
	}
};
// Main game loop
game.update = function () {
	// Spawn notes
	noteSpawnTimer++;
	if (noteSpawnTimer >= noteSpawnInterval) {
		spawnNote();
		noteSpawnTimer = 0;
	}
	// Process note queue to ensure no simultaneous target zone entries
	processNoteQueue();
	// Update difficulty
	difficultyTimer++;
	if (difficultyTimer >= 1800) {
		// Every 30 seconds
		gameSpeed += 0.2;
		noteSpawnInterval = Math.max(20, noteSpawnInterval - 2);
		difficultyTimer = 0;
	}
	// Update notes
	for (var i = notes.length - 1; i >= 0; i--) {
		var note = notes[i];
		// Check if note missed target zone
		if (!note.hasBeenTapped && note.lastY <= 1700 && note.y > 1700) {
			note.destroy();
			notes.splice(i, 1);
			continue;
		}
		// Remove notes that are off screen
		if (note.y > 2800) {
			note.destroy();
			notes.splice(i, 1);
		}
	}
	// Create continuous particle effects around the three objects
	enhanceObjectVisuals();
	// Win condition
	if (score >= 10000) {
		LK.showYouWin();
	}
};
// Add 3 objects at bottom of target zone (left, center, right)
var targetBottomY = unifiedTargetZone.y + targetZoneHeight / 2 + 800; // Move objects much further down
var objectSpacing = targetZoneWidth / 1.5; // Increased spacing for better separation between objects
// Left object
leftObject = LK.getAsset('leftObjectAsset', {
	anchorX: 0.5,
	anchorY: 0.5
});
leftObject.x = unifiedTargetZone.x - objectSpacing;
leftObject.y = targetBottomY;
// Scale up the left object
leftObject.scaleX = 2.0;
leftObject.scaleY = 2.0;
// Animate color change for left object
tween(leftObject, {
	tint: 0xFFD700 // Change to gold color
}, {
	duration: 1500,
	easing: tween.easeInOut
});
leftObject.alpha = 0.8;
game.addChild(leftObject);
// Center object
centerObject = LK.getAsset('centerObjectAsset', {
	anchorX: 0.5,
	anchorY: 0.5
});
centerObject.x = unifiedTargetZone.x;
centerObject.y = targetBottomY;
// Scale up the center object
centerObject.scaleX = 2.0;
centerObject.scaleY = 2.0;
// Animate color change for center object
tween(centerObject, {
	tint: 0xFF1493 // Change to deep pink color
}, {
	duration: 1500,
	easing: tween.easeInOut
});
centerObject.alpha = 0.8;
game.addChild(centerObject);
// Right object
rightObject = LK.getAsset('rightObjectAsset', {
	anchorX: 0.5,
	anchorY: 0.5
});
rightObject.x = unifiedTargetZone.x + objectSpacing;
rightObject.y = targetBottomY;
// Scale up the right object
rightObject.scaleX = 2.0;
rightObject.scaleY = 2.0;
// Animate color change for right object
tween(rightObject, {
	tint: 0x9370DB // Change to medium purple color
}, {
	duration: 1500,
	easing: tween.easeInOut
});
rightObject.alpha = 0.8;
game.addChild(rightObject);
// Objects are now properly sized - no extreme scaling needed
// Move objects to topmost layer for better visibility
game.removeChild(leftObject);
game.addChild(leftObject);
game.removeChild(centerObject);
game.addChild(centerObject);
game.removeChild(rightObject);
game.addChild(rightObject);
// Add touch handlers to the 3 bottom objects
leftObject.down = function (x, y, obj) {
	// Create particle effect when touched
	createParticleEffect(leftObject.x, leftObject.y, 0xFFD700);
	// Add guitar string vibration effect to left track strip line
	if (leftStripLine) {
		// Store original position before vibration starts
		var originalX = leftStripLine.x;
		var _vibrateString = function vibrateString() {
			if (vibrationCount >= maxVibrations) {
				// Reset to original position when vibration completes
				tween(leftStripLine, {
					x: originalX
				}, {
					duration: 100,
					easing: tween.easeOut
				});
				return;
			}
			var amplitude = baseAmplitude * (1 - vibrationCount / maxVibrations);
			var direction = vibrationCount % 2 === 0 ? 1 : -1;
			tween(leftStripLine, {
				x: originalX + amplitude * direction
			}, {
				duration: 40,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					vibrationCount++;
					_vibrateString();
				}
			});
		};
		// Guitar string effect - rapid horizontal vibrations that decay
		var vibrationCount = 0;
		var maxVibrations = 15;
		var baseAmplitude = 25;
		_vibrateString();
	}
	// Check for notes in left track (track 0) within target zone
	for (var i = 0; i < notes.length; i++) {
		var note = notes[i];
		if (note.trackIndex === 0 && !note.hasBeenTapped) {
			var timing = note.checkTiming();
			if (timing !== 'miss') {
				// Explode the note
				note.hasBeenTapped = true;
				var points = 0;
				if (timing === 'perfect') {
					points = note.isPowerNote ? 200 : 100;
					LK.getSound('perfect').play();
					createParticleEffect(note.x, note.y, note.isPowerNote ? 0xFFD93D : 0x00FF00);
				} else if (timing === 'good') {
					points = note.isPowerNote ? 100 : 50;
					LK.getSound('tap').play();
					createParticleEffect(note.x, note.y, 0x87CEEB);
				}
				updateScore(points);
				// Start background music on first successful hit
				if (!musicStarted) {
					LK.playMusic('bgmusic');
					musicStarted = true;
				}
				unifiedTargetZone.flash();
				// Scale animation for explosion effect
				tween(note, {
					scaleX: 3,
					scaleY: 3,
					alpha: 0
				}, {
					duration: 200,
					onFinish: function onFinish() {
						note.destroy();
						for (var j = 0; j < notes.length; j++) {
							if (notes[j] === note) {
								notes.splice(j, 1);
								break;
							}
						}
					}
				});
				break;
			}
		}
	}
};
centerObject.down = function (x, y, obj) {
	// Create particle effect when touched
	createParticleEffect(centerObject.x, centerObject.y, 0xFF1493);
	// Add guitar string vibration effect to center track strip line
	if (centerStripLine) {
		// Store original position before vibration starts
		var originalX = centerStripLine.x;
		var _vibrateString2 = function vibrateString() {
			if (vibrationCount >= maxVibrations) {
				// Reset to original position when vibration completes
				tween(centerStripLine, {
					x: originalX
				}, {
					duration: 100,
					easing: tween.easeOut
				});
				return;
			}
			var amplitude = baseAmplitude * (1 - vibrationCount / maxVibrations);
			var direction = vibrationCount % 2 === 0 ? 1 : -1;
			tween(centerStripLine, {
				x: originalX + amplitude * direction
			}, {
				duration: 40,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					vibrationCount++;
					_vibrateString2();
				}
			});
		};
		// Guitar string effect - rapid horizontal vibrations that decay
		var vibrationCount = 0;
		var maxVibrations = 15;
		var baseAmplitude = 25;
		_vibrateString2();
	}
	// Check for notes in center track (track 1) within target zone
	for (var i = 0; i < notes.length; i++) {
		var note = notes[i];
		if (note.trackIndex === 1 && !note.hasBeenTapped) {
			var timing = note.checkTiming();
			if (timing !== 'miss') {
				// Explode the note
				note.hasBeenTapped = true;
				var points = 0;
				if (timing === 'perfect') {
					points = note.isPowerNote ? 200 : 100;
					LK.getSound('perfect').play();
					createParticleEffect(note.x, note.y, note.isPowerNote ? 0xFFD93D : 0x00FF00);
				} else if (timing === 'good') {
					points = note.isPowerNote ? 100 : 50;
					LK.getSound('tap').play();
					createParticleEffect(note.x, note.y, 0x87CEEB);
				}
				updateScore(points);
				// Start background music on first successful hit
				if (!musicStarted) {
					LK.playMusic('bgmusic');
					musicStarted = true;
				}
				unifiedTargetZone.flash();
				// Scale animation for explosion effect
				tween(note, {
					scaleX: 3,
					scaleY: 3,
					alpha: 0
				}, {
					duration: 200,
					onFinish: function onFinish() {
						note.destroy();
						for (var j = 0; j < notes.length; j++) {
							if (notes[j] === note) {
								notes.splice(j, 1);
								break;
							}
						}
					}
				});
				break;
			}
		}
	}
};
rightObject.down = function (x, y, obj) {
	// Create particle effect when touched
	createParticleEffect(rightObject.x, rightObject.y, 0x9370DB);
	// Add guitar string vibration effect to right track strip line
	if (rightStripLine) {
		// Store original position before vibration starts
		var originalX = rightStripLine.x;
		var _vibrateString3 = function vibrateString() {
			if (vibrationCount >= maxVibrations) {
				// Reset to original position when vibration completes
				tween(rightStripLine, {
					x: originalX
				}, {
					duration: 100,
					easing: tween.easeOut
				});
				return;
			}
			var amplitude = baseAmplitude * (1 - vibrationCount / maxVibrations);
			var direction = vibrationCount % 2 === 0 ? 1 : -1;
			tween(rightStripLine, {
				x: originalX + amplitude * direction
			}, {
				duration: 40,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					vibrationCount++;
					_vibrateString3();
				}
			});
		};
		// Guitar string effect - rapid horizontal vibrations that decay
		var vibrationCount = 0;
		var maxVibrations = 15;
		var baseAmplitude = 25;
		_vibrateString3();
	}
	// Check for notes in right track (track 2) within target zone
	for (var i = 0; i < notes.length; i++) {
		var note = notes[i];
		if (note.trackIndex === 2 && !note.hasBeenTapped) {
			var timing = note.checkTiming();
			if (timing !== 'miss') {
				// Explode the note
				note.hasBeenTapped = true;
				var points = 0;
				if (timing === 'perfect') {
					points = note.isPowerNote ? 200 : 100;
					LK.getSound('perfect').play();
					createParticleEffect(note.x, note.y, note.isPowerNote ? 0xFFD93D : 0x00FF00);
				} else if (timing === 'good') {
					points = note.isPowerNote ? 100 : 50;
					LK.getSound('tap').play();
					createParticleEffect(note.x, note.y, 0x87CEEB);
				}
				updateScore(points);
				// Start background music on first successful hit
				if (!musicStarted) {
					LK.playMusic('bgmusic');
					musicStarted = true;
				}
				unifiedTargetZone.flash();
				// Scale animation for explosion effect
				tween(note, {
					scaleX: 3,
					scaleY: 3,
					alpha: 0
				}, {
					duration: 200,
					onFinish: function onFinish() {
						note.destroy();
						for (var j = 0; j < notes.length; j++) {
							if (notes[j] === note) {
								notes.splice(j, 1);
								break;
							}
						}
					}
				});
				break;
			}
		}
	}
};
// Music will start when first note is hit
var musicStarted = false;
// Add continuous particle effects around the three bottom objects
function createContinuousParticleEffect(targetObject, color) {
	var particle = LK.getAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Enhanced positioning with better distribution
	var angle = Math.random() * Math.PI * 2;
	var radius = 100 + Math.random() * 120; // Enhanced radius range
	var startX = targetObject.x + Math.cos(angle) * radius;
	var startY = targetObject.y + Math.sin(angle) * radius;
	particle.x = startX;
	particle.y = startY;
	// Enhanced color with subtle variations
	var colorVariation = 0x151515 * (Math.random() - 0.5);
	particle.tint = color + colorVariation;
	particle.alpha = 0.6 + Math.random() * 0.4; // Enhanced alpha range
	// Enhanced particle scaling with better proportions
	particle.scaleX = 1.2 + Math.random() * 1.8; // Better balanced continuous particles
	particle.scaleY = particle.scaleX * (0.8 + Math.random() * 0.4); // Varied shapes for organic feel
	game.addChild(particle);
	// Enhanced orbital motion parameters
	var orbitAngle = angle;
	var orbitSpeed = 0.015 + Math.random() * 0.025; // Smoother orbital speed
	var orbitRadius = radius;
	var spiralRate = 0.997 + Math.random() * 0.002; // More varied spiral rates
	// Enhanced particle animation with better transitions
	tween(particle, {
		alpha: 0,
		scaleX: 0.3,
		// Smoother scale transition
		scaleY: 0.3,
		rotation: (Math.random() - 0.5) * Math.PI * 4 // Added rotation for visual interest
	}, {
		duration: 1800 + Math.random() * 1200,
		// Enhanced duration range
		easing: tween.easeOut,
		onFinish: function onFinish() {
			particle.destroy();
		}
	});
	// Enhanced orbital movement with smoother motion
	var orbitTimer = LK.setInterval(function () {
		if (particle.destroyed) {
			LK.clearInterval(orbitTimer);
			return;
		}
		orbitAngle += orbitSpeed;
		orbitRadius *= spiralRate; // Enhanced spiral effect
		// Enhanced orbital positioning with slight vertical oscillation
		var verticalOffset = Math.sin(orbitAngle * 3) * 10; // Subtle vertical movement
		particle.x = targetObject.x + Math.cos(orbitAngle) * orbitRadius;
		particle.y = targetObject.y + Math.sin(orbitAngle) * orbitRadius + verticalOffset;
	}, 16); // Maintained smooth 60fps updates
}
// Enhanced continuous particle system
var particleSpawnTimer = 0;
var particleSpawnInterval = 3; // Optimized spawn rate for smoother visual flow
// Enhanced visual effects function with better particle distribution
function enhanceObjectVisuals() {
	particleSpawnTimer++;
	if (particleSpawnTimer >= particleSpawnInterval) {
		// Enhanced particle creation with better visual balance
		// Create optimized particles around left object
		for (var i = 0; i < 6; i++) {
			createContinuousParticleEffect(leftObject, 0xFFD700);
		}
		// Create optimized particles around center object
		for (var i = 0; i < 6; i++) {
			createContinuousParticleEffect(centerObject, 0xFF1493);
		}
		// Create optimized particles around right object
		for (var i = 0; i < 6; i++) {
			createContinuousParticleEffect(rightObject, 0x9370DB);
		}
		particleSpawnTimer = 0;
	}
}

===================================================================
--- original.js
+++ change.js
@@ -199,9 +199,9 @@
 	fill: 0xFFFFFF
 });
 scoreTxt.anchor.set(0, 0);
 scoreTxt.x = 120; // Position away from platform menu icon
-scoreTxt.y = 80; // Move further down from top
+scoreTxt.y = 120; // Move further down from top
 LK.gui.topLeft.addChild(scoreTxt);
 // Add background image
 var background = LK.getAsset('background', {
 	anchorX: 0,