===================================================================
--- original.js
+++ change.js
@@ -1,307 +1,24 @@
 /**** 
-* Plugins
-****/ 
-var tween = LK.import("@upit/tween.v1");
-
-/**** 
 * Classes
 ****/ 
-// Note: All note types use the same asset for now, but can be extended for different shapes/colors.
+// Clase Note: crea una nota en una posición aleatoria de la pantalla
 var Note = Container.expand(function () {
 	var self = Container.call(this);
-	// Attach note asset (ellipse shape, color varies by lane)
-	var noteGraphics = self.attachAsset('note', {
+	// Crear y adjuntar el asset de la nota, centrado
+	var noteAsset = self.attachAsset('note', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	// Lane index (0-3)
-	self.lane = 0;
-	// Whether this note has been hit or missed
-	self.hit = false;
-	// Time (in ticks) when the note should reach the hit zone
-	self.targetTick = 0;
-	// For animation (optional)
-	self.update = function () {
-		// Notes move down at a constant speed, calculated from their spawn time and target time
-		// y is updated in the main game loop for precise timing
-	};
+	// Posición aleatoria dentro de los límites de la pantalla (dejando margen para que no salga)
+	var margin = 100;
+	self.x = margin + Math.random() * (2048 - 2 * margin);
+	self.y = margin + Math.random() * (2732 - 2 * margin);
 	return self;
 });
 
 /**** 
 * Initialize Game
 ****/ 
 var game = new LK.Game({
-	backgroundColor: 0x181830
-});
-
-/**** 
-* Game Code
-****/ 
-// --- CONFIGURATION ---
-// Number of lanes (columns)
-var NUM_LANES = 4;
-// Lane colors
-var LANE_COLORS = [0xff4b4b, 0x4bafff, 0x4bff7a, 0xffe14b];
-// Note color per lane
-var NOTE_COLORS = [0xffb3b3, 0xb3d1ff, 0xb3ffd1, 0xfff3b3];
-// Lane width (calculated)
-var LANE_WIDTH = Math.floor(2048 / NUM_LANES);
-// Hit zone Y position (from top)
-var HIT_ZONE_Y = 2400;
-// Hit window (in px)
-var HIT_WINDOW = 120;
-// Miss window (in px, below hit zone)
-var MISS_WINDOW = 80;
-// Note size
-var NOTE_SIZE = 180;
-// Timing
-var TICKS_PER_SECOND = 60;
-var SONG_BPM = 120; // beats per minute
-var BEAT_INTERVAL = Math.floor(60 / SONG_BPM * TICKS_PER_SECOND); // ticks per beat
-// Song length (in beats)
-var SONG_BEATS = 64;
-// --- ASSETS ---
-// Lane backgrounds
-for (var i = 0; i < NUM_LANES; i++) {}
-// Generic note asset (for class)
-// Hit zone
-// --- GAME STATE ---
-// Notes to be spawned (array of {lane, beat})
-var noteChart = [];
-// For MVP, generate a simple pattern: every beat, random lane
-for (var b = 0; b < SONG_BEATS; b++) {
-	// For more challenge, sometimes spawn two notes at once
-	if (b % 8 === 4) {
-		// Double note
-		var l1 = Math.floor(Math.random() * NUM_LANES);
-		var l2 = (l1 + 1 + Math.floor(Math.random() * (NUM_LANES - 1))) % NUM_LANES;
-		noteChart.push({
-			lane: l1,
-			beat: b
-		});
-		noteChart.push({
-			lane: l2,
-			beat: b
-		});
-	} else {
-		noteChart.push({
-			lane: Math.floor(Math.random() * NUM_LANES),
-			beat: b
-		});
-	}
-}
-// Active notes in play
-var notes = [];
-// For each lane, track the last note hit (for combo)
-var laneCombo = [0, 0, 0, 0];
-// Score and combo
-var score = 0;
-var combo = 0;
-var maxCombo = 0;
-var misses = 0;
-var MAX_MISSES = 10;
-// --- UI ELEMENTS ---
-// Lane backgrounds
-var laneNodes = [];
-for (var i = 0; i < NUM_LANES; i++) {
-	var laneNode = LK.getAsset('lane' + i, {
-		anchorX: 0,
-		anchorY: 0,
-		x: i * LANE_WIDTH + 4,
-		y: 0
-	});
-	game.addChild(laneNode);
-	laneNodes.push(laneNode);
-}
-// Hit zone (visual guide)
-var hitZoneNode = LK.getAsset('hitZone', {
-	anchorX: 0,
-	anchorY: 0.5,
-	x: 0,
-	y: HIT_ZONE_Y
-});
-hitZoneNode.alpha = 0.08;
-game.addChild(hitZoneNode);
-// Score text
-var scoreTxt = new Text2('Score: 0', {
-	size: 100,
-	fill: 0xFFFFFF
-});
-scoreTxt.anchor.set(0.5, 0);
-LK.gui.top.addChild(scoreTxt);
-// Combo text
-var comboTxt = new Text2('', {
-	size: 80,
-	fill: 0xFFE14B
-});
-comboTxt.anchor.set(0.5, 0);
-LK.gui.top.addChild(comboTxt);
-// Misses text
-var missTxt = new Text2('', {
-	size: 80,
-	fill: 0xFF4B4B
-});
-missTxt.anchor.set(0.5, 0);
-LK.gui.top.addChild(missTxt);
-// --- NOTE SPAWNING ---
-// For each note, calculate when to spawn so it reaches hit zone at the right beat
-// Notes fall from y = -NOTE_SIZE/2 to HIT_ZONE_Y
-var NOTE_TRAVEL_DISTANCE = HIT_ZONE_Y + NOTE_SIZE / 2;
-var NOTE_SPEED = 18; // px per tick (tune for feel)
-var NOTE_TRAVEL_TICKS = Math.floor(NOTE_TRAVEL_DISTANCE / NOTE_SPEED);
-// For each note in chart, add a spawnTick property
-for (var i = 0; i < noteChart.length; i++) {
-	var n = noteChart[i];
-	n.targetTick = n.beat * BEAT_INTERVAL;
-	n.spawnTick = n.targetTick - NOTE_TRAVEL_TICKS;
-}
-// --- GAMEPLAY ---
-var currentTick = 0;
-var nextNoteIndex = 0;
-var songEnded = false;
-// --- INPUT HANDLING ---
-// For touch, map x to lane
-function getLaneFromX(x) {
-	var lane = Math.floor(x / LANE_WIDTH);
-	if (lane < 0) lane = 0;
-	if (lane >= NUM_LANES) lane = NUM_LANES - 1;
-	return lane;
-}
-// On tap/click/touch
-game.down = function (x, y, obj) {
-	// Only allow input in the lower part of the screen (where hit zone is)
-	if (y < HIT_ZONE_Y - HIT_WINDOW * 2) return;
-	var lane = getLaneFromX(x);
-	// Find the closest note in this lane within the hit window
-	var bestNote = null;
-	var bestDist = HIT_WINDOW;
-	for (var i = 0; i < notes.length; i++) {
-		var note = notes[i];
-		if (note.lane !== lane || note.hit) continue;
-		var dist = Math.abs(note.y - HIT_ZONE_Y);
-		if (dist < bestDist) {
-			bestDist = dist;
-			bestNote = note;
-		}
-	}
-	if (bestNote) {
-		// Hit!
-		bestNote.hit = true;
-		// Animate note (pop and fade)
-		tween(bestNote, {
-			scaleX: 1.5,
-			scaleY: 1.5,
-			alpha: 0
-		}, {
-			duration: 180,
-			easing: tween.cubicOut,
-			onFinish: function onFinish() {
-				bestNote.destroy();
-			}
-		});
-		// Remove from notes array
-		for (var j = 0; j < notes.length; j++) {
-			if (notes[j] === bestNote) {
-				notes.splice(j, 1);
-				break;
-			}
-		}
-		// Scoring: closer = more points
-		var accuracy = Math.max(0, 1 - bestDist / HIT_WINDOW);
-		var points = 100 + Math.floor(accuracy * 100);
-		score += points;
-		combo += 1;
-		if (combo > maxCombo) maxCombo = combo;
-		scoreTxt.setText('Score: ' + score);
-		comboTxt.setText('Combo: ' + combo);
-		missTxt.setText('');
-		// Flash lane
-		LK.effects.flashObject(laneNodes[lane], 0xffffff, 120);
-	} else {
-		// Miss (tapped but no note)
-		combo = 0;
-		misses += 1;
-		comboTxt.setText('');
-		missTxt.setText('Miss!');
-		LK.effects.flashScreen(0xff4b4b, 200);
-		if (misses >= MAX_MISSES) {
-			LK.showGameOver();
-		}
-	}
-};
-// --- GAME LOOP ---
-game.update = function () {
-	if (songEnded) return;
-	// Spawn notes at correct time
-	while (nextNoteIndex < noteChart.length && noteChart[nextNoteIndex].spawnTick <= currentTick) {
-		var n = noteChart[nextNoteIndex];
-		// Create note
-		var note = new Note();
-		note.lane = n.lane;
-		note.targetTick = n.targetTick;
-		// Use lane-specific color
-		var noteAsset = note.children[0];
-		noteAsset.tint = NOTE_COLORS[n.lane];
-		// Position at top of lane
-		note.x = n.lane * LANE_WIDTH + LANE_WIDTH / 2;
-		note.y = -NOTE_SIZE / 2;
-		note.scaleX = 1;
-		note.scaleY = 1;
-		note.alpha = 1;
-		notes.push(note);
-		game.addChild(note);
-		nextNoteIndex++;
-	}
-	// Move notes
-	for (var i = notes.length - 1; i >= 0; i--) {
-		var note = notes[i];
-		if (note.hit) continue;
-		note.y += NOTE_SPEED;
-		// Check for miss (passed hit zone)
-		if (note.y > HIT_ZONE_Y + MISS_WINDOW) {
-			// Missed note
-			note.hit = true;
-			combo = 0;
-			misses += 1;
-			comboTxt.setText('');
-			missTxt.setText('Miss!');
-			LK.effects.flashObject(note, 0xff4b4b, 200);
-			// Animate fade out
-			tween(note, {
-				alpha: 0
-			}, {
-				duration: 200,
-				onFinish: function onFinish() {
-					note.destroy();
-				}
-			});
-			notes.splice(i, 1);
-			if (misses >= MAX_MISSES) {
-				LK.showGameOver();
-			}
-		}
-	}
-	// End of song
-	if (currentTick > SONG_BEATS * BEAT_INTERVAL + 60 && !songEnded) {
-		songEnded = true;
-		// Show win if not too many misses
-		if (misses < MAX_MISSES) {
-			LK.setScore(score);
-			LK.showYouWin();
-		} else {
-			LK.showGameOver();
-		}
-	}
-	currentTick++;
-};
-// --- UI POSITIONING ---
-// Position score at top center, combo below it, miss below combo
-scoreTxt.x = LK.gui.top.width / 2;
-scoreTxt.y = 10;
-comboTxt.x = LK.gui.top.width / 2;
-comboTxt.y = 120;
-missTxt.x = LK.gui.top.width / 2;
-missTxt.y = 200;
-// --- MUSIC (optional, not implemented in MVP) ---
-// (In future: LK.playMusic('song1');)
\ No newline at end of file
+	backgroundColor: 0x000000
+});
\ No newline at end of file