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

/**** 
* Classes
****/ 
var QuickTile = Container.expand(function (laneIndex) {
	var self = Container.call(this);
	var assetName = 'quickTile' + laneIndex;
	var graphics = self.attachAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 12;
	self.lane = laneIndex || 0;
	self.hit = false;
	self.missed = false;
	self.earlyPressed = false;
	self.update = function () {
		self.y += self.speed;
		// Check if tile is past hit line and not hit
		if (self.y > hitLineY + 80 && !self.hit && !self.missed) {
			self.missed = true;
			showFeedback('MISSED', self.lane);
			LK.getSound('miss').play();
			LK.showGameOver();
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a1a
});

/**** 
* Game Code
****/ 
var lanes = [];
var hitLineY = 2200;
var tiles = [];
var activeLanes = [false, false, false, false];
var comboCount = 0;
var tileSpawnTimer = 0;
var feedbackTexts = [];
var tileSpawnInterval = 45;
var gameSpeed = 1;
// Create lanes
for (var i = 0; i < 4; i++) {
	var lane = game.addChild(LK.getAsset('lane', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	lane.x = 256 + i * 512;
	lane.y = 1366;
	lanes.push(lane);
}
// Create hit line
var hitLine = game.addChild(LK.getAsset('hitLine', {
	anchorX: 0.5,
	anchorY: 0.5
}));
hitLine.x = 1024;
hitLine.y = hitLineY;
// Create lane dividers
for (var i = 1; i < 4; i++) {
	var divider = game.addChild(LK.getAsset('laneDivider', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	divider.x = i * 512;
	divider.y = 1366;
}
// Create UI
var scoreText = new Text2('Score: 0', {
	size: 80,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
var comboText = new Text2('Combo: 0', {
	size: 60,
	fill: 0xFFFF00
});
comboText.anchor.set(0.5, 0);
comboText.y = 100;
LK.gui.top.addChild(comboText);
function updateScoreDisplay() {
	scoreText.setText('Score: ' + LK.getScore());
	comboText.setText('Combo: ' + comboCount);
}
function showFeedback(text, laneIndex) {
	var assetName = 'feedback' + text.charAt(0).toUpperCase() + text.slice(1).toLowerCase();
	var feedbackImage = game.addChild(LK.getAsset(assetName, {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	feedbackImage.x = 1024; // Center of screen
	feedbackImage.y = 1366; // Center of screen vertically
	feedbackImage.alpha = 1;
	feedbackTexts.push(feedbackImage);
	// Add score display
	var scoreDisplay = game.addChild(LK.getAsset('scoreDisplay', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	scoreDisplay.x = 1024; // Center of screen
	scoreDisplay.y = 1450; // Below feedback
	scoreDisplay.alpha = 1;
	feedbackTexts.push(scoreDisplay);
	// Create score text overlay
	var scoreChangeText = new Text2('', {
		size: 60,
		fill: text === 'NICE' ? 0x00FF00 : 0xFF0000
	});
	scoreChangeText.anchor.set(0.5, 0.5);
	scoreChangeText.x = scoreDisplay.x;
	scoreChangeText.y = scoreDisplay.y;
	if (text === 'NICE') {
		scoreChangeText.setText('+10');
	} else if (text === 'EARLY') {
		scoreChangeText.setText('-5');
	} else if (text === 'MISSED') {
		scoreChangeText.setText('0');
	}
	game.addChild(scoreChangeText);
	feedbackTexts.push(scoreChangeText);
	tween(feedbackImage, {
		alpha: 0,
		y: feedbackImage.y - 100
	}, {
		duration: 1000,
		onFinish: function onFinish() {
			feedbackImage.destroy();
			var index = feedbackTexts.indexOf(feedbackImage);
			if (index > -1) feedbackTexts.splice(index, 1);
		}
	});
	tween(scoreDisplay, {
		alpha: 0,
		y: scoreDisplay.y - 100
	}, {
		duration: 1000,
		onFinish: function onFinish() {
			scoreDisplay.destroy();
			var index = feedbackTexts.indexOf(scoreDisplay);
			if (index > -1) feedbackTexts.splice(index, 1);
		}
	});
	tween(scoreChangeText, {
		alpha: 0,
		y: scoreChangeText.y - 100
	}, {
		duration: 1000,
		onFinish: function onFinish() {
			scoreChangeText.destroy();
			var index = feedbackTexts.indexOf(scoreChangeText);
			if (index > -1) feedbackTexts.splice(index, 1);
		}
	});
}
function spawnTile() {
	var laneIndex = Math.floor(Math.random() * 4);
	var tile = new QuickTile(laneIndex);
	tile.x = 256 + laneIndex * 512;
	tile.y = -100;
	tiles.push(tile);
	game.addChild(tile);
}
function getLaneFromX(x) {
	if (x < 512) return 0;
	if (x < 1024) return 1;
	if (x < 1536) return 2;
	return 3;
}
function activateLane(laneIndex) {
	if (laneIndex >= 0 && laneIndex < 4) {
		activeLanes[laneIndex] = true;
		lanes[laneIndex].removeChild(lanes[laneIndex].children[0]);
		var activeLane = LK.getAsset('laneActive', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		lanes[laneIndex].addChild(activeLane);
	}
}
function deactivateLane(laneIndex) {
	if (laneIndex >= 0 && laneIndex < 4) {
		activeLanes[laneIndex] = false;
		lanes[laneIndex].removeChild(lanes[laneIndex].children[0]);
		var normalLane = LK.getAsset('lane', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		lanes[laneIndex].addChild(normalLane);
	}
}
game.down = function (x, y, obj) {
	var laneIndex = getLaneFromX(x);
	activateLane(laneIndex);
	// Add lane press animation
	tween(lanes[laneIndex], {
		scaleX: 1.05,
		scaleY: 1.05
	}, {
		duration: 100,
		easing: tween.easeOut
	});
	// Check for quick tile hits
	var hitTile = false;
	for (var i = 0; i < tiles.length; i++) {
		var tile = tiles[i];
		if (tile instanceof QuickTile && tile.lane === laneIndex && !tile.hit && !tile.missed && !tile.earlyPressed) {
			var distance = Math.abs(tile.y - hitLineY);
			if (distance <= 80) {
				tile.hit = true;
				LK.setScore(LK.getScore() + 10);
				comboCount++;
				showFeedback('NICE', laneIndex);
				// Use random Piano1-Piano5 sounds for each tile hit
				var pianoSounds = ['Piano1', 'Piano2', 'Piano3', 'Piano4', 'Piano5'];
				var randomSound = pianoSounds[Math.floor(Math.random() * pianoSounds.length)];
				LK.getSound(randomSound).play();
				// Visual effect
				tween(tile, {
					alpha: 0,
					scaleX: 1.5,
					scaleY: 1.5
				}, {
					duration: 200,
					onFinish: function onFinish() {
						tile.destroy();
					}
				});
				updateScoreDisplay();
				hitTile = true;
				break;
			} else if (tile.y < hitLineY - 80) {
				// Early press
				tile.earlyPressed = true;
				showFeedback('EARLY', laneIndex);
				LK.getSound('early').play();
				LK.setScore(LK.getScore() - 5); // Deduct points for early press
				// Destroy tile immediately on early press
				tween(tile, {
					alpha: 0,
					scaleX: 0.5,
					scaleY: 0.5
				}, {
					duration: 200,
					onFinish: function onFinish() {
						tile.destroy();
					}
				});
				updateScoreDisplay();
				hitTile = true;
				break;
			}
		}
	}
};
game.up = function (x, y, obj) {
	var laneIndex = getLaneFromX(x);
	deactivateLane(laneIndex);
	// Add lane release animation
	tween(lanes[laneIndex], {
		scaleX: 1,
		scaleY: 1
	}, {
		duration: 100,
		easing: tween.easeOut
	});
};
// Start background music
LK.playMusic('Music');
game.update = function () {
	// Spawn tiles
	tileSpawnTimer++;
	if (tileSpawnTimer >= tileSpawnInterval) {
		spawnTile();
		tileSpawnTimer = 0;
		// Increase difficulty over time
		if (LK.ticks % 300 === 0) {
			gameSpeed += 0.15;
			tileSpawnInterval = Math.max(25, tileSpawnInterval - 1);
		}
	}
	// Clean up tiles
	for (var i = tiles.length - 1; i >= 0; i--) {
		var tile = tiles[i];
		if (tile.y > 2800 || tile.hit || tile.completed || tile.missed && tile.y > hitLineY + 200 || tile.earlyPressed && tile.y > 2800) {
			if (!tile.destroyed) {
				tile.destroy();
				tiles.splice(i, 1);
			}
		}
	}
	// Update tile speeds based on game speed
	for (var i = 0; i < tiles.length; i++) {
		tiles[i].speed = 12 * gameSpeed;
	}
};

===================================================================
--- original.js
+++ change.js
@@ -103,8 +103,34 @@
 	feedbackImage.x = 1024; // Center of screen
 	feedbackImage.y = 1366; // Center of screen vertically
 	feedbackImage.alpha = 1;
 	feedbackTexts.push(feedbackImage);
+	// Add score display
+	var scoreDisplay = game.addChild(LK.getAsset('scoreDisplay', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	}));
+	scoreDisplay.x = 1024; // Center of screen
+	scoreDisplay.y = 1450; // Below feedback
+	scoreDisplay.alpha = 1;
+	feedbackTexts.push(scoreDisplay);
+	// Create score text overlay
+	var scoreChangeText = new Text2('', {
+		size: 60,
+		fill: text === 'NICE' ? 0x00FF00 : 0xFF0000
+	});
+	scoreChangeText.anchor.set(0.5, 0.5);
+	scoreChangeText.x = scoreDisplay.x;
+	scoreChangeText.y = scoreDisplay.y;
+	if (text === 'NICE') {
+		scoreChangeText.setText('+10');
+	} else if (text === 'EARLY') {
+		scoreChangeText.setText('-5');
+	} else if (text === 'MISSED') {
+		scoreChangeText.setText('0');
+	}
+	game.addChild(scoreChangeText);
+	feedbackTexts.push(scoreChangeText);
 	tween(feedbackImage, {
 		alpha: 0,
 		y: feedbackImage.y - 100
 	}, {
@@ -114,8 +140,30 @@
 			var index = feedbackTexts.indexOf(feedbackImage);
 			if (index > -1) feedbackTexts.splice(index, 1);
 		}
 	});
+	tween(scoreDisplay, {
+		alpha: 0,
+		y: scoreDisplay.y - 100
+	}, {
+		duration: 1000,
+		onFinish: function onFinish() {
+			scoreDisplay.destroy();
+			var index = feedbackTexts.indexOf(scoreDisplay);
+			if (index > -1) feedbackTexts.splice(index, 1);
+		}
+	});
+	tween(scoreChangeText, {
+		alpha: 0,
+		y: scoreChangeText.y - 100
+	}, {
+		duration: 1000,
+		onFinish: function onFinish() {
+			scoreChangeText.destroy();
+			var index = feedbackTexts.indexOf(scoreChangeText);
+			if (index > -1) feedbackTexts.splice(index, 1);
+		}
+	});
 }
 function spawnTile() {
 	var laneIndex = Math.floor(Math.random() * 4);
 	var tile = new QuickTile(laneIndex);