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

/**** 
* Classes
****/ 
var BackgroundGrid = Container.expand(function () {
	var self = Container.call(this);
	// Create horizontal grid lines
	self.horizontalLines = [];
	for (var i = 0; i < 15; i++) {
		var line = self.attachAsset('gridLine', {
			anchorX: 0,
			anchorY: 0.5,
			alpha: 0.3
		});
		line.y = i * 200 - 400;
		self.horizontalLines.push(line);
	}
	// Create vertical grid lines
	self.verticalLines = [];
	for (var j = 0; j < 8; j++) {
		var vLine = self.attachAsset('gridLineVertical', {
			anchorX: 0.5,
			anchorY: 0,
			alpha: 0.2
		});
		vLine.x = j * 300;
		self.verticalLines.push(vLine);
	}
	self.update = function () {
		// Move horizontal lines down
		for (var i = 0; i < self.horizontalLines.length; i++) {
			var line = self.horizontalLines[i];
			line.y += 2;
			// Reset line position when it goes off screen
			if (line.y > 2800) {
				line.y = -100;
			}
			// Fade effect based on distance from center
			var distanceFromCenter = Math.abs(line.y - 1366);
			var maxDistance = 1366;
			line.alpha = 0.3 * (1 - distanceFromCenter / maxDistance);
		}
	};
	return self;
});
var Block = Container.expand(function () {
	var self = Container.call(this);
	var blockGraphics = self.attachAsset('block', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	self.speed = 8;
	self.lane = 0;
	self.caught = false;
	// Random neon colors
	var colors = [0xff00ff, 0x00ffff, 0xffff00, 0xff0066, 0x66ff00];
	blockGraphics.tint = colors[Math.floor(Math.random() * colors.length)];
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var BoosterBlock = Container.expand(function () {
	var self = Container.call(this);
	var boosterGraphics = self.attachAsset('booster', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.8,
		scaleY: 0.8
	});
	self.speed = 8;
	self.lane = 0;
	self.caught = false;
	// Distinctive golden/yellow color for booster
	boosterGraphics.tint = 0xFFD700;
	// Add pulsing animation to make it stand out
	tween(boosterGraphics, {
		scaleX: 1.0,
		scaleY: 1.0
	}, {
		duration: 500,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(boosterGraphics, {
				scaleX: 0.8,
				scaleY: 0.8
			}, {
				duration: 500,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Restart the pulsing animation
					if (!self.caught) {
						tween(boosterGraphics, {
							scaleX: 1.0,
							scaleY: 1.0
						}, {
							duration: 500,
							easing: tween.easeInOut
						});
					}
				}
			});
		}
	});
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Life = Container.expand(function () {
	var self = Container.call(this);
	var heartGraphics = self.attachAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.0,
		scaleY: 1.0
	});
	// Add neon glow effect with retrowave pink
	heartGraphics.tint = 0xff0066;
	self.setActive = function (active) {
		if (active) {
			heartGraphics.alpha = 1.0;
			heartGraphics.tint = 0xff0066; // Bright neon pink
		} else {
			heartGraphics.alpha = 0.3;
			heartGraphics.tint = 0x440022; // Dim dark pink
		}
	};
	return self;
});
var Ship = Container.expand(function (shipType) {
	var self = Container.call(this);
	// Use the provided shipType or default to classicShip
	var assetType = shipType || 'classicShip';
	var shipGraphics = self.attachAsset(assetType, {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 3.0,
		scaleY: 3.0
	});
	// Add glow effect
	shipGraphics.filters = [];
	self.currentLane = 1; // 0 = left, 1 = center, 2 = right
	self.targetX = 1024; // center position
	self.update = function () {
		// Smooth movement to target lane
		var diff = self.targetX - self.x;
		if (Math.abs(diff) > 2) {
			self.x += diff * 0.15;
		} else {
			self.x = self.targetX;
		}
	};
	self.moveToLane = function (lane) {
		self.currentLane = lane;
		if (lane === 0) {
			self.targetX = 341; // left lane
		} else if (lane === 1) {
			self.targetX = 1024; // center lane
		} else if (lane === 2) {
			self.targetX = 1707; // right lane
		}
		// Add movement animation
		tween(shipGraphics, {
			scaleX: 3.6,
			scaleY: 2.4
		}, {
			duration: 100,
			onFinish: function onFinish() {
				tween(shipGraphics, {
					scaleX: 3.0,
					scaleY: 3.0
				}, {
					duration: 100
				});
			}
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0a0a0a
});

/**** 
* Game Code
****/ 
// Create synthwave background with gradient effect
game.setBackgroundColor(0x270050);
// Create moving background grid
var backgroundGrid = game.addChild(new BackgroundGrid());
// Array of synthwave tracks for classic mode
var synthwaveTracks = ['synthwave1', 'synthwave2', 'synthwave3', 'lofitrack', 'retrowave'];
var currentTrackIndex = 0; // Index of currently playing track
var completedTracks = []; // Array to track which tracks have been completed
var musicStartTime = 0; // Time when current music track started
var trackDuration = 60000; // Approximate track duration in milliseconds (60 seconds)
// Game state
var gameMode = 'menu'; // 'menu', 'classic', 'microphone'
var ship;
var blocks = [];
var score = 0;
var combo = 0;
var bestCombo = 0;
var lives = 3;
var maxLives = 3;
var lifeDisplays = [];
var lastSpawnTime = 0;
var spawnInterval = 1000; // 1 second
var gameSpeed = 1.0; // Speed multiplier for the game
var baseBlockSpeed = 8; // Base speed for blocks
var currentMusicTrack = null; // Track current playing music
// Beat detection variables
var audioBuffer = [];
var beatThreshold = 0.4;
var lastBeatTime = 0;
var minBeatInterval = 200; // Minimum ms between beats
var volumeHistory = [];
var bufferSize = 10;
var beatSensitivity = 1.5;
// Lane positions - equal width lanes
var lanePositions = [341, 1024, 1707];
// UI Elements
var scoreTxt = new Text2('Score: 0', {
	size: 60,
	fill: 0x00FFFF
});
scoreTxt.anchor.set(0, 0);
scoreTxt.x = 50;
scoreTxt.y = 50;
LK.gui.topLeft.addChild(scoreTxt);
var comboTxt = new Text2('Combo: 0', {
	size: 50,
	fill: 0xFF00FF
});
comboTxt.anchor.set(0, 0);
comboTxt.x = 50;
comboTxt.y = 120;
LK.gui.topLeft.addChild(comboTxt);
// Create life display hearts in top right
for (var lifeIndex = 0; lifeIndex < maxLives; lifeIndex++) {
	var lifeHeart = new Life();
	lifeHeart.x = -80 - lifeIndex * 80; // Position from right edge
	lifeHeart.y = 60;
	lifeHeart.setActive(true);
	lifeDisplays.push(lifeHeart);
	LK.gui.topRight.addChild(lifeHeart);
}
// Create mode selection buttons with neon glow outline
var classicButton = new Text2('1. CLASSIC MODE\nBuilt-in synthwave music', {
	size: 60,
	fill: 0x00FFFF,
	stroke: 0x00FFFF,
	strokeThickness: 3
});
classicButton.anchor.set(0.5, 0.5);
classicButton.x = 0;
classicButton.y = -300;
LK.gui.center.addChild(classicButton);
var micButton = new Text2('2. MICROPHONE MODE\nSync with your music', {
	size: 60,
	fill: 0xFF00FF,
	stroke: 0xFF00FF,
	strokeThickness: 3
});
micButton.anchor.set(0.5, 0.5);
micButton.x = 0;
micButton.y = -100;
LK.gui.center.addChild(micButton);
var instructionTxt = new Text2('TAP A BUTTON TO SELECT MODE', {
	size: 50,
	fill: 0xFFFFFF
});
instructionTxt.anchor.set(0.5, 0.5);
instructionTxt.y = 100;
LK.gui.center.addChild(instructionTxt);
// Create lane dividers
var lane1 = game.addChild(LK.getAsset('lane1', {
	x: 682,
	y: 0
}));
var lane2 = game.addChild(LK.getAsset('lane2', {
	x: 1366,
	y: 0
}));
// Create ship
ship = game.addChild(new Ship());
ship.x = 1024;
ship.y = 2400;
function startGame(mode) {
	gameMode = mode;
	score = 0;
	combo = 0;
	bestCombo = 0;
	lives = 3;
	blocks = [];
	lastSpawnTime = 0;
	gameSpeed = 1.0; // Reset game speed
	currentTrackIndex = 0; // Reset track progression
	completedTracks = []; // Reset completed tracks
	musicStartTime = 0; // Reset music timer
	// Reset life display
	for (var i = 0; i < lifeDisplays.length; i++) {
		lifeDisplays[i].setActive(true);
	}
	// Reset beat detection variables
	audioBuffer = [];
	volumeHistory = [];
	lastBeatTime = 0;
	// Hide menu elements
	classicButton.visible = false;
	micButton.visible = false;
	instructionTxt.visible = false;
	// Destroy existing ship and create new one with appropriate asset
	if (ship) {
		ship.destroy();
	}
	// Create ship with mode-specific asset
	if (mode === 'classic') {
		ship = game.addChild(new Ship('classicShip'));
	} else {
		ship = game.addChild(new Ship('microphoneShip'));
	}
	ship.x = 1024;
	ship.y = 2400;
	// Start background music only in classic mode
	if (mode === 'classic') {
		// Start with first track in sequence
		currentMusicTrack = synthwaveTracks[currentTrackIndex];
		LK.playMusic(currentMusicTrack);
		musicStartTime = Date.now(); // Track when music started
	} else {
		// Stop background music in microphone mode to focus on external audio
		currentMusicTrack = null;
		LK.stopMusic();
	}
	updateUI();
}
function spawnBlock() {
	var block;
	// 15% chance to spawn a booster block
	if (Math.random() < 0.15) {
		block = new BoosterBlock();
	} else {
		block = new Block();
	}
	var lane;
	if (gameMode === 'microphone') {
		// Create more musical patterns based on audio intensity
		var intensity = facekit.volume;
		if (intensity > 0.8) {
			// High intensity - spawn in multiple lanes or center
			lane = Math.random() > 0.5 ? 1 : Math.floor(Math.random() * 3);
		} else if (intensity > 0.5) {
			// Medium intensity - prefer outer lanes
			lane = Math.random() > 0.5 ? 0 : 2;
		} else {
			// Low intensity - single random lane
			lane = Math.floor(Math.random() * 3);
		}
	} else {
		// Classic mode - random lane
		lane = Math.floor(Math.random() * 3);
	}
	block.lane = lane;
	block.x = lanePositions[lane];
	block.y = -50;
	block.speed = baseBlockSpeed * gameSpeed; // Apply game speed multiplier
	blocks.push(block);
	game.addChild(block);
}
function updateUI() {
	scoreTxt.setText('Score: ' + score);
	comboTxt.setText('Combo: ' + combo + ' (Best: ' + bestCombo + ')');
}
function checkCollisions() {
	for (var i = blocks.length - 1; i >= 0; i--) {
		var block = blocks[i];
		// Check if block is in ship's catch zone
		if (!block.caught && block.y >= ship.y - 100 && block.y <= ship.y + 100) {
			if (block.lane === ship.currentLane) {
				// Block caught!
				block.caught = true;
				// Check if it's a booster block
				if (block instanceof BoosterBlock) {
					// Booster effects
					score += 25 + combo * 3; // More points for booster
					combo += 2; // Extra combo bonus
					// Increase game speed (cap at 2.5x)
					gameSpeed = Math.min(gameSpeed + 0.2, 2.5);
					// Apply speed to all existing blocks
					for (var j = 0; j < blocks.length; j++) {
						blocks[j].speed = baseBlockSpeed * gameSpeed;
					}
					// Restart music with faster tempo (only in classic mode)
					if (gameMode === 'classic' && currentMusicTrack) {
						LK.stopMusic();
						// Small delay before restarting music to avoid audio glitches
						LK.setTimeout(function () {
							LK.playMusic(currentMusicTrack);
						}, 50);
					}
					// Special visual feedback for booster
					LK.effects.flashScreen(0xFFD700, 300);
					LK.effects.flashObject(ship, 0xFFD700, 500);
					// Play layered synthwave sounds for booster
					LK.getSound('synthBass').play();
					LK.setTimeout(function () {
						LK.getSound('synthLead').play();
					}, 100);
				} else {
					// Regular block
					score += 10 + combo * 2;
					combo++;
				}
				if (combo > bestCombo) {
					bestCombo = combo;
				}
				// Visual feedback
				LK.effects.flashObject(block, 0xffffff, 200);
				tween(block, {
					scaleX: 1.5,
					scaleY: 1.5,
					alpha: 0
				}, {
					duration: 200
				});
				// Play random synthwave sound effect
				var synthSounds = ['synthBass', 'synthLead', 'synthDrum', 'synthChord'];
				var randomSound = synthSounds[Math.floor(Math.random() * synthSounds.length)];
				LK.getSound(randomSound).play();
				updateUI();
				// Remove block
				block.destroy();
				blocks.splice(i, 1);
				continue;
			}
		}
		// Check if block missed (passed ship)
		if (!block.caught && block.y > ship.y + 150) {
			if (block.lane === ship.currentLane) {
				// Block missed - lose life and reset combo
				lives--;
				combo = 0;
				// Update life display
				if (lives >= 0 && lives < lifeDisplays.length) {
					lifeDisplays[lives].setActive(false);
					// Add life loss animation
					tween(lifeDisplays[lives], {
						scaleX: 1.5,
						scaleY: 1.5
					}, {
						duration: 200,
						onFinish: function onFinish() {
							tween(lifeDisplays[lives], {
								scaleX: 1.0,
								scaleY: 1.0
							}, {
								duration: 200
							});
						}
					});
				}
				LK.effects.flashScreen(0xff0000, 300);
				LK.getSound('miss').play();
				// Check for game over
				if (lives <= 0) {
					LK.showGameOver();
					return;
				}
				updateUI();
			}
			block.caught = true; // Mark as processed
		}
		// Remove blocks that are off screen
		if (block.y > 2800) {
			block.destroy();
			blocks.splice(i, 1);
		}
	}
}
function progressToNextTrack() {
	if (gameMode !== 'classic') return;
	// Mark current track as completed
	if (completedTracks.indexOf(synthwaveTracks[currentTrackIndex]) === -1) {
		completedTracks.push(synthwaveTracks[currentTrackIndex]);
	}
	// Move to next track
	currentTrackIndex++;
	// Check if all tracks have been completed
	if (currentTrackIndex >= synthwaveTracks.length) {
		// Player has completed all tracks - show victory with stats
		LK.showYouWin();
		return;
	}
	// Play next track
	currentMusicTrack = synthwaveTracks[currentTrackIndex];
	LK.playMusic(currentMusicTrack);
	musicStartTime = Date.now(); // Reset music timer
}
function detectBeat() {
	var currentVolume = facekit.volume;
	var currentTime = Date.now();
	// Add current volume to history buffer
	volumeHistory.push(currentVolume);
	if (volumeHistory.length > bufferSize) {
		volumeHistory.shift();
	}
	// Calculate average volume from buffer
	var avgVolume = 0;
	for (var i = 0; i < volumeHistory.length; i++) {
		avgVolume += volumeHistory[i];
	}
	avgVolume = avgVolume / volumeHistory.length;
	// Detect beat: current volume significantly higher than average
	var volumeSpike = currentVolume > avgVolume * beatSensitivity;
	var timeSinceLastBeat = currentTime - lastBeatTime;
	var beatDetected = volumeSpike && currentVolume > beatThreshold && timeSinceLastBeat > minBeatInterval;
	if (beatDetected) {
		lastBeatTime = currentTime;
		// Add visual feedback for beat detection
		LK.effects.flashScreen(0x440088, 100);
		return true;
	}
	return false;
}
function shouldSpawnBlock() {
	if (gameMode === 'microphone') {
		// Spawn based on beat detection from microphone input
		return detectBeat();
	} else {
		// Classic mode - spawn every second
		return LK.ticks - lastSpawnTime >= spawnInterval / (1000 / 60);
	}
}
// Button event handlers
classicButton.down = function (x, y, obj) {
	if (gameMode === 'menu') {
		// Add button press animation
		tween(classicButton, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 100,
			onFinish: function onFinish() {
				tween(classicButton, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 100
				});
			}
		});
		startGame('classic');
	}
};
micButton.down = function (x, y, obj) {
	if (gameMode === 'menu') {
		// Add button press animation
		tween(micButton, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 100,
			onFinish: function onFinish() {
				tween(micButton, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 100
				});
			}
		});
		startGame('microphone');
	}
};
// Touch controls for lane switching during gameplay
game.down = function (x, y, obj) {
	if (gameMode === 'menu') {
		return;
	}
	// Lane switching
	if (x < 1024) {
		// Left side tapped - move left
		if (ship.currentLane > 0) {
			ship.moveToLane(ship.currentLane - 1);
		}
	} else {
		// Right side tapped - move right
		if (ship.currentLane < 2) {
			ship.moveToLane(ship.currentLane + 1);
		}
	}
};
// Main game update
game.update = function () {
	if (gameMode === 'menu') {
		return;
	}
	// Check for track progression in classic mode
	if (gameMode === 'classic' && musicStartTime > 0) {
		var currentTime = Date.now();
		var timeElapsed = currentTime - musicStartTime;
		// Check if current track duration has been reached
		if (timeElapsed >= trackDuration) {
			progressToNextTrack();
		}
	}
	// Spawn blocks
	if (shouldSpawnBlock()) {
		spawnBlock();
		lastSpawnTime = LK.ticks;
	}
	// Check collisions
	checkCollisions();
};

===================================================================
--- original.js
+++ change.js
@@ -202,8 +202,12 @@
 // Create moving background grid
 var backgroundGrid = game.addChild(new BackgroundGrid());
 // Array of synthwave tracks for classic mode
 var synthwaveTracks = ['synthwave1', 'synthwave2', 'synthwave3', 'lofitrack', 'retrowave'];
+var currentTrackIndex = 0; // Index of currently playing track
+var completedTracks = []; // Array to track which tracks have been completed
+var musicStartTime = 0; // Time when current music track started
+var trackDuration = 60000; // Approximate track duration in milliseconds (60 seconds)
 // Game state
 var gameMode = 'menu'; // 'menu', 'classic', 'microphone'
 var ship;
 var blocks = [];
@@ -303,8 +307,11 @@
 	lives = 3;
 	blocks = [];
 	lastSpawnTime = 0;
 	gameSpeed = 1.0; // Reset game speed
+	currentTrackIndex = 0; // Reset track progression
+	completedTracks = []; // Reset completed tracks
+	musicStartTime = 0; // Reset music timer
 	// Reset life display
 	for (var i = 0; i < lifeDisplays.length; i++) {
 		lifeDisplays[i].setActive(true);
 	}
@@ -329,12 +336,12 @@
 	ship.x = 1024;
 	ship.y = 2400;
 	// Start background music only in classic mode
 	if (mode === 'classic') {
-		// Randomly select one of the three synthwave tracks
-		var randomTrack = synthwaveTracks[Math.floor(Math.random() * synthwaveTracks.length)];
-		currentMusicTrack = randomTrack;
-		LK.playMusic(randomTrack);
+		// Start with first track in sequence
+		currentMusicTrack = synthwaveTracks[currentTrackIndex];
+		LK.playMusic(currentMusicTrack);
+		musicStartTime = Date.now(); // Track when music started
 	} else {
 		// Stop background music in microphone mode to focus on external audio
 		currentMusicTrack = null;
 		LK.stopMusic();
@@ -483,8 +490,27 @@
 			blocks.splice(i, 1);
 		}
 	}
 }
+function progressToNextTrack() {
+	if (gameMode !== 'classic') return;
+	// Mark current track as completed
+	if (completedTracks.indexOf(synthwaveTracks[currentTrackIndex]) === -1) {
+		completedTracks.push(synthwaveTracks[currentTrackIndex]);
+	}
+	// Move to next track
+	currentTrackIndex++;
+	// Check if all tracks have been completed
+	if (currentTrackIndex >= synthwaveTracks.length) {
+		// Player has completed all tracks - show victory with stats
+		LK.showYouWin();
+		return;
+	}
+	// Play next track
+	currentMusicTrack = synthwaveTracks[currentTrackIndex];
+	LK.playMusic(currentMusicTrack);
+	musicStartTime = Date.now(); // Reset music timer
+}
 function detectBeat() {
 	var currentVolume = facekit.volume;
 	var currentTime = Date.now();
 	// Add current volume to history buffer
@@ -582,16 +608,21 @@
 game.update = function () {
 	if (gameMode === 'menu') {
 		return;
 	}
+	// Check for track progression in classic mode
+	if (gameMode === 'classic' && musicStartTime > 0) {
+		var currentTime = Date.now();
+		var timeElapsed = currentTime - musicStartTime;
+		// Check if current track duration has been reached
+		if (timeElapsed >= trackDuration) {
+			progressToNextTrack();
+		}
+	}
 	// Spawn blocks
 	if (shouldSpawnBlock()) {
 		spawnBlock();
 		lastSpawnTime = LK.ticks;
 	}
 	// Check collisions
 	checkCollisions();
-	// Game over condition (optional - can be removed for endless play)
-	if (score >= 500) {
-		LK.showYouWin();
-	}
 };
\ No newline at end of file