===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,422 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1", {
+	highScore: 0,
+	totalPlays: 0
+});
+
+/**** 
+* Classes
+****/ 
+var HitEffect = Container.expand(function (rating) {
+	var self = Container.call(this);
+	// Create effect circle
+	var effect = self.attachAsset('hitEffect', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0.7
+	});
+	// Create rating text
+	var text = new Text2(rating, {
+		size: 60,
+		fill: 0xFFFFFF
+	});
+	text.anchor.set(0.5, 0.5);
+	self.addChild(text);
+	// Set initial scale
+	self.scale.set(0.8);
+	// Animate and destroy
+	tween(self, {
+		alpha: 0,
+		scaleX: 1.5,
+		scaleY: 1.5
+	}, {
+		duration: 500,
+		easing: tween.easeOut,
+		onFinish: function onFinish() {
+			self.destroy();
+		}
+	});
+	return self;
+});
+var MissEffect = Container.expand(function () {
+	var self = Container.call(this);
+	// Create miss effect
+	var effect = self.attachAsset('missEffect', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0.7
+	});
+	// Create X text
+	var text = new Text2("MISS", {
+		size: 60,
+		fill: 0xFFFFFF
+	});
+	text.anchor.set(0.5, 0.5);
+	self.addChild(text);
+	// Set initial scale
+	self.scale.set(0.8);
+	// Animate and destroy
+	tween(self, {
+		alpha: 0,
+		scaleX: 1.5,
+		scaleY: 1.5
+	}, {
+		duration: 500,
+		easing: tween.easeOut,
+		onFinish: function onFinish() {
+			self.destroy();
+		}
+	});
+	return self;
+});
+var Note = Container.expand(function (timing, lane) {
+	var self = Container.call(this);
+	self.timing = timing;
+	self.lane = lane;
+	self.active = true;
+	self.hit = false;
+	self.approaching = false;
+	// Create outer ring
+	var ring = self.attachAsset('targetRing', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0.7
+	});
+	// Create inner circle
+	var circle = self.attachAsset('targetCircle', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		alpha: 0.8
+	});
+	// Set initial scale for approach animation
+	self.scale.set(0.1);
+	// Define tap/click interaction
+	self.down = function (x, y, obj) {
+		if (!self.active || !self.approaching) {
+			return;
+		}
+		// Check timing
+		var currentTime = gameTime;
+		var timeDiff = Math.abs(currentTime - self.timing);
+		if (timeDiff <= PERFECT_TIMING) {
+			hitNote(self, "PERFECT", 100);
+		} else if (timeDiff <= GREAT_TIMING) {
+			hitNote(self, "GREAT", 75);
+		} else if (timeDiff <= GOOD_TIMING) {
+			hitNote(self, "GOOD", 50);
+		} else if (timeDiff <= OK_TIMING) {
+			hitNote(self, "OK", 25);
+		} else {
+			// Too early or too late
+			missNote(self);
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2c3e50
+});
+
+/**** 
+* Game Code
+****/ 
+// Constants
+var PERFECT_TIMING = 100; // ms
+var GREAT_TIMING = 150; // ms
+var GOOD_TIMING = 200; // ms
+var OK_TIMING = 250; // ms
+var APPROACH_TIME = 1500; // ms
+var START_DELAY = 3000; // ms
+// Game state variables
+var gameTime = 0;
+var isPlaying = false;
+var currentCombo = 0;
+var maxCombo = 0;
+var perfectCount = 0;
+var greatCount = 0;
+var goodCount = 0;
+var okCount = 0;
+var missCount = 0;
+// Notes and patterns
+var notes = [];
+var noteLanes = [{
+	x: 2048 * 0.2,
+	y: 2732 * 0.5
+}, {
+	x: 2048 * 0.4,
+	y: 2732 * 0.4
+}, {
+	x: 2048 * 0.6,
+	y: 2732 * 0.4
+}, {
+	x: 2048 * 0.8,
+	y: 2732 * 0.5
+}];
+// UI Elements
+var comboText = new Text2("", {
+	size: 120,
+	fill: 0xFFFFFF
+});
+comboText.anchor.set(0.5, 0.5);
+comboText.position.set(2048 / 2, 400);
+game.addChild(comboText);
+var scoreText = new Text2("SCORE: 0", {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreText.anchor.set(1.0, 0);
+scoreText.position.set(2048 - 50, 50);
+game.addChild(scoreText);
+var progressBarBackground = LK.getAsset('progressBar', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	tint: 0x34495e,
+	scaleX: 1,
+	scaleY: 1,
+	x: 2048 / 2,
+	y: 100
+});
+game.addChild(progressBarBackground);
+var progressBarFill = LK.getAsset('progressBar', {
+	anchorX: 0,
+	anchorY: 0.5,
+	tint: 0x9b59b6,
+	scaleX: 0,
+	scaleY: 1,
+	x: (2048 - 1800) / 2,
+	y: 100
+});
+game.addChild(progressBarFill);
+// Generate a sample beat pattern
+function generateBeatPattern() {
+	var pattern = [];
+	var songLength = 30000; // 30 seconds
+	var beatInterval = 500; // 500ms between beats
+	for (var time = START_DELAY; time < songLength; time += beatInterval) {
+		// Simple pattern: alternate between lanes
+		var lane = Math.floor(Math.random() * noteLanes.length);
+		pattern.push({
+			timing: time,
+			lane: lane
+		});
+		// Occasionally add a double note
+		if (Math.random() < 0.2) {
+			var secondLane = (lane + 1 + Math.floor(Math.random() * (noteLanes.length - 1))) % noteLanes.length;
+			pattern.push({
+				timing: time,
+				lane: secondLane
+			});
+		}
+	}
+	return pattern;
+}
+// Initialize game
+function initGame() {
+	gameTime = 0;
+	isPlaying = true;
+	currentCombo = 0;
+	maxCombo = 0;
+	perfectCount = 0;
+	greatCount = 0;
+	goodCount = 0;
+	okCount = 0;
+	missCount = 0;
+	// Clear previous notes
+	for (var i = 0; i < notes.length; i++) {
+		if (notes[i].parent) {
+			notes[i].parent.removeChild(notes[i]);
+		}
+	}
+	notes = [];
+	// Reset score
+	LK.setScore(0);
+	scoreText.setText("SCORE: 0");
+	comboText.setText("");
+	progressBarFill.scaleX = 0;
+	// Generate beat pattern
+	var pattern = generateBeatPattern();
+	for (var j = 0; j < pattern.length; j++) {
+		var noteInfo = pattern[j];
+		var note = new Note(noteInfo.timing, noteInfo.lane);
+		note.position.set(noteLanes[noteInfo.lane].x, noteLanes[noteInfo.lane].y);
+		notes.push(note);
+	}
+	// Start music after countdown
+	LK.setTimeout(function () {
+		LK.playMusic('gameMusic', {
+			loop: false
+		});
+	}, START_DELAY);
+}
+// Hit a note successfully
+function hitNote(note, rating, points) {
+	if (!note.active || note.hit) {
+		return;
+	}
+	note.active = false;
+	note.hit = true;
+	// Update combo
+	currentCombo++;
+	if (currentCombo > maxCombo) {
+		maxCombo = currentCombo;
+	}
+	// Update stats
+	switch (rating) {
+		case "PERFECT":
+			perfectCount++;
+			break;
+		case "GREAT":
+			greatCount++;
+			break;
+		case "GOOD":
+			goodCount++;
+			break;
+		case "OK":
+			okCount++;
+			break;
+	}
+	// Calculate score with combo multiplier
+	var comboMultiplier = Math.min(4, 1 + Math.floor(currentCombo / 10) * 0.1);
+	var finalPoints = Math.floor(points * comboMultiplier);
+	// Update score
+	LK.setScore(LK.getScore() + finalPoints);
+	scoreText.setText("SCORE: " + LK.getScore());
+	// Update combo display
+	comboText.setText("COMBO " + currentCombo);
+	tween(comboText, {
+		scaleX: 1.2,
+		scaleY: 1.2
+	}, {
+		duration: 100,
+		easing: tween.easeOut,
+		onFinish: function onFinish() {
+			tween(comboText, {
+				scaleX: 1.0,
+				scaleY: 1.0
+			}, {
+				duration: 100,
+				easing: tween.easeIn
+			});
+		}
+	});
+	// Play hit sound
+	LK.getSound('hitSound').play();
+	// Special effects for higher combos
+	if (currentCombo % 10 === 0) {
+		LK.getSound('comboSound').play();
+		LK.effects.flashScreen(0x9b59b6, 300);
+	}
+	// Create hit effect
+	var effect = new HitEffect(rating);
+	effect.position.set(note.x, note.y);
+	game.addChild(effect);
+	// Remove the note
+	if (note.parent) {
+		note.parent.removeChild(note);
+	}
+}
+// Miss a note
+function missNote(note) {
+	if (!note.active || note.hit) {
+		return;
+	}
+	note.active = false;
+	note.hit = true;
+	// Reset combo
+	currentCombo = 0;
+	missCount++;
+	// Play miss sound
+	LK.getSound('missSound').play();
+	// Update combo display
+	comboText.setText("");
+	// Create miss effect
+	var effect = new MissEffect();
+	effect.position.set(note.x, note.y);
+	game.addChild(effect);
+	// Remove the note
+	if (note.parent) {
+		note.parent.removeChild(note);
+	}
+}
+// Check for auto-miss (when a note passes without being tapped)
+function checkMissedNotes() {
+	for (var i = 0; i < notes.length; i++) {
+		var note = notes[i];
+		if (note.active && note.approaching && gameTime > note.timing + OK_TIMING) {
+			missNote(note);
+		}
+	}
+}
+// Update progress bar
+function updateProgressBar() {
+	var songLength = 30000; // 30 seconds
+	var progress = Math.min(1, gameTime / songLength);
+	progressBarFill.scaleX = progress;
+	if (progress >= 1 && isPlaying) {
+		endGame();
+	}
+}
+// End the game
+function endGame() {
+	isPlaying = false;
+	// Update high score
+	if (LK.getScore() > storage.highScore) {
+		storage.highScore = LK.getScore();
+	}
+	// Update total plays
+	storage.totalPlays = (storage.totalPlays || 0) + 1;
+	// Show game over
+	LK.setTimeout(function () {
+		LK.showGameOver();
+	}, 1000);
+}
+// Initialize the game
+initGame();
+// Game loop
+game.update = function () {
+	if (!isPlaying) {
+		return;
+	}
+	// Update game time
+	gameTime += 1000 / 60; // Approximate ms per frame at 60fps
+	// Update notes
+	for (var i = 0; i < notes.length; i++) {
+		var note = notes[i];
+		// Check if note should start approaching
+		if (note.active && !note.approaching && gameTime >= note.timing - APPROACH_TIME) {
+			note.approaching = true;
+			game.addChild(note);
+			// Animate note approaching
+			tween(note, {
+				scaleX: 1,
+				scaleY: 1
+			}, {
+				duration: APPROACH_TIME,
+				easing: tween.linear
+			});
+		}
+	}
+	// Check for auto-missed notes
+	checkMissedNotes();
+	// Update progress bar
+	updateProgressBar();
+};
+// Touch controls
+game.down = function (x, y, obj) {
+	// Check if any note was directly tapped
+	// Note: The Note class's down method will handle the hit logic
+};
+// Handle direct taps on the game area that aren't on notes
+game.move = function (x, y, obj) {
+	// Not needed for this game
+};
+game.up = function (x, y, obj) {
+	// Not needed for this game
+};
\ No newline at end of file