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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 26;
	self.targetX = 0;
	self.targetY = 0;
	self.directionX = 0;
	self.directionY = 0;
	self.update = function () {
		self.x += self.directionX * self.speed;
		self.y += self.directionY * self.speed;
	};
	return self;
});
var Note = Container.expand(function () {
	var self = Container.call(this);
	var noteGraphics = self.attachAsset('note', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.lane = 0;
	self.hasTriggered = false;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Add floating gun
	var gun = self.attachAsset('gun', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 0,
		y: -50
	});
	self.gun = gun;
	// Method to rotate gun towards target with smooth animation
	self.aimGunAt = function (targetX, targetY) {
		var dx = targetX - self.x;
		var dy = targetY - (self.y - 50); // Account for gun offset
		var targetRotation = Math.atan2(dy, dx);
		// Smooth rotation animation
		tween(self.gun, {
			rotation: targetRotation
		}, {
			duration: 150,
			easing: tween.easeOut
		});
	};
	return self;
});
var TargetBox = Container.expand(function () {
	var self = Container.call(this);
	var targetGraphics = self.attachAsset('targetBox', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lane = 0;
	self.isActive = false;
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xF0F8FF
});

/**** 
* Game Code
****/ 
// Game variables
var player;
var bullets = [];
var notes = [];
var targetBoxes = [];
var staffLines = [];
var score = 0;
var mouseX = 1024;
var noteSpawnTimer = 0;
var noteSpawnInterval = 90; // frames between note spawns
var pianoSounds = ['piano_c', 'piano_d', 'piano_e', 'piano_f']; // Map lanes to piano notes
// Setup staff lines
var staffY = 400;
var staffSpacing = 80;
for (var i = 0; i < 5; i++) {
	var staffLine = game.addChild(LK.getAsset('staffLine', {
		anchorX: 0,
		anchorY: 0.5,
		x: 0,
		y: staffY + i * staffSpacing
	}));
	staffLines.push(staffLine);
}
// Setup target boxes
var targetY = staffY + 4 * staffSpacing + 120;
var targetBoxPositions = [512, 853, 1194, 1536]; // 4 evenly spaced positions
for (var i = 0; i < 4; i++) {
	var targetBox = game.addChild(new TargetBox());
	targetBox.x = targetBoxPositions[i];
	targetBox.y = targetY;
	targetBox.lane = i;
	targetBoxes.push(targetBox);
}
// Setup player
player = game.addChild(new Player());
player.x = 1024;
player.y = 2500;
// Setup score display
var scoreTxt = new Text2('Score: 0', {
	size: 80,
	fill: 0x000000
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Input handling
game.move = function (x, y, obj) {
	mouseX = x;
	player.x = x;
	// Continuously aim gun at mouse position
	player.aimGunAt(x, y);
};
game.down = function (x, y, obj) {
	// Check if clicking on any target box
	for (var i = 0; i < targetBoxes.length; i++) {
		var targetBox = targetBoxes[i];
		var dx = x - targetBox.x;
		var dy = y - targetBox.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		// If clicking within target box area (radius of about 80 pixels)
		if (distance < 80) {
			// Play piano sound for this lane
			LK.getSound(pianoSounds[targetBox.lane]).play();
			// Visual feedback
			LK.effects.flashObject(targetBox, 0x00FFFF, 300);
			// Check if there's a note in timing window for this lane
			var hitNote = null;
			for (var k = 0; k < notes.length; k++) {
				var note = notes[k];
				if (note.lane === targetBox.lane && !note.hasTriggered && isNoteInTimingWindow(note, targetBox)) {
					hitNote = note;
					break;
				}
			}
			if (hitNote) {
				// Perfect hit!
				score += 100;
				hitNote.hasTriggered = true;
				LK.effects.flashObject(targetBox, 0x00FF00, 500);
				LK.getSound('hit').play();
				// Remove the note
				hitNote.destroy();
				var noteIndex = notes.indexOf(hitNote);
				if (noteIndex > -1) {
					notes.splice(noteIndex, 1);
				}
			} else {
				// Miss - clicked target but no note in timing
				score = Math.max(0, score - 10); // Reduced penalty for piano mode
			}
			// Update score display
			scoreTxt.setText('Score: ' + score);
			LK.setScore(score);
			break;
		}
	}
};
// Spawn notes
function spawnNote() {
	var lane = Math.floor(Math.random() * 4);
	var note = game.addChild(new Note());
	var targetBoxPositions = [512, 853, 1194, 1536]; // Match target box positions
	note.x = targetBoxPositions[lane];
	note.y = staffY + lane * staffSpacing - 200;
	note.lane = lane;
	notes.push(note);
}
// Check if note is in timing window
function isNoteInTimingWindow(note, targetBox) {
	var noteTop = note.y - 35; // Top of note (note height is 70, so 35 from center)
	var noteBottom = note.y + 35; // Bottom of note
	var targetTop = targetBox.y - 65; // Expanded target area (target height is 130, so 65 from center)
	var targetBottom = targetBox.y + 65; // Expanded target area
	// Check if any part of the note overlaps with the expanded target area
	return noteBottom >= targetTop && noteTop <= targetBottom;
}
// Game update loop
game.update = function () {
	// Spawn notes
	noteSpawnTimer++;
	if (noteSpawnTimer >= noteSpawnInterval) {
		spawnNote();
		noteSpawnTimer = 0;
	}
	// Clean up any remaining bullets (in case there are any)
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		// Remove bullets that go off screen
		if (bullet.x < -50 || bullet.x > 2098 || bullet.y < -50 || bullet.y > 2782) {
			bullet.destroy();
			bullets.splice(i, 1);
		}
	}
	// Update and check notes
	for (var i = notes.length - 1; i >= 0; i--) {
		var note = notes[i];
		// Remove notes that go off screen
		if (note.y > 2800) {
			if (!note.hasTriggered) {
				// Missed note penalty
				score = Math.max(0, score - 50);
				scoreTxt.setText('Score: ' + score);
				LK.setScore(score);
			}
			note.destroy();
			notes.splice(i, 1);
		}
	}
	// Increase difficulty over time
	if (LK.ticks % 1800 === 0) {
		// Every 30 seconds
		noteSpawnInterval = Math.max(30, noteSpawnInterval - 5);
		// Increase note speed slightly
		for (var i = 0; i < notes.length; i++) {
			notes[i].speed = Math.min(6, notes[i].speed + 0.1);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -96,8 +96,9 @@
 var score = 0;
 var mouseX = 1024;
 var noteSpawnTimer = 0;
 var noteSpawnInterval = 90; // frames between note spawns
+var pianoSounds = ['piano_c', 'piano_d', 'piano_e', 'piano_f']; // Map lanes to piano notes
 // Setup staff lines
 var staffY = 400;
 var staffSpacing = 80;
 for (var i = 0; i < 5; i++) {
@@ -137,23 +138,51 @@
 	// Continuously aim gun at mouse position
 	player.aimGunAt(x, y);
 };
 game.down = function (x, y, obj) {
-	// Aim gun at target position
-	player.aimGunAt(x, y);
-	// Create bullet from gun position
-	var bullet = game.addChild(new Bullet());
-	bullet.x = player.x;
-	bullet.y = player.y - 50; // Spawn from gun position
-	// Calculate direction to mouse position
-	var dx = x - player.x;
-	var dy = y - (player.y - 50); // Account for gun offset
-	var distance = Math.sqrt(dx * dx + dy * dy);
-	if (distance > 0) {
-		bullet.directionX = dx / distance;
-		bullet.directionY = dy / distance;
+	// Check if clicking on any target box
+	for (var i = 0; i < targetBoxes.length; i++) {
+		var targetBox = targetBoxes[i];
+		var dx = x - targetBox.x;
+		var dy = y - targetBox.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		// If clicking within target box area (radius of about 80 pixels)
+		if (distance < 80) {
+			// Play piano sound for this lane
+			LK.getSound(pianoSounds[targetBox.lane]).play();
+			// Visual feedback
+			LK.effects.flashObject(targetBox, 0x00FFFF, 300);
+			// Check if there's a note in timing window for this lane
+			var hitNote = null;
+			for (var k = 0; k < notes.length; k++) {
+				var note = notes[k];
+				if (note.lane === targetBox.lane && !note.hasTriggered && isNoteInTimingWindow(note, targetBox)) {
+					hitNote = note;
+					break;
+				}
+			}
+			if (hitNote) {
+				// Perfect hit!
+				score += 100;
+				hitNote.hasTriggered = true;
+				LK.effects.flashObject(targetBox, 0x00FF00, 500);
+				LK.getSound('hit').play();
+				// Remove the note
+				hitNote.destroy();
+				var noteIndex = notes.indexOf(hitNote);
+				if (noteIndex > -1) {
+					notes.splice(noteIndex, 1);
+				}
+			} else {
+				// Miss - clicked target but no note in timing
+				score = Math.max(0, score - 10); // Reduced penalty for piano mode
+			}
+			// Update score display
+			scoreTxt.setText('Score: ' + score);
+			LK.setScore(score);
+			break;
+		}
 	}
-	bullets.push(bullet);
 };
 // Spawn notes
 function spawnNote() {
 	var lane = Math.floor(Math.random() * 4);
@@ -180,57 +209,16 @@
 	if (noteSpawnTimer >= noteSpawnInterval) {
 		spawnNote();
 		noteSpawnTimer = 0;
 	}
-	// Update and check bullets
+	// Clean up any remaining bullets (in case there are any)
 	for (var i = bullets.length - 1; i >= 0; i--) {
 		var bullet = bullets[i];
 		// Remove bullets that go off screen
 		if (bullet.x < -50 || bullet.x > 2098 || bullet.y < -50 || bullet.y > 2782) {
 			bullet.destroy();
 			bullets.splice(i, 1);
-			continue;
 		}
-		// Check collision with target boxes
-		for (var j = 0; j < targetBoxes.length; j++) {
-			var targetBox = targetBoxes[j];
-			if (bullet.intersects(targetBox)) {
-				// Check if there's a note in timing window for this lane
-				var hitNote = null;
-				for (var k = 0; k < notes.length; k++) {
-					var note = notes[k];
-					if (note.lane === targetBox.lane && !note.hasTriggered && isNoteInTimingWindow(note, targetBox)) {
-						hitNote = note;
-						break;
-					}
-				}
-				if (hitNote) {
-					// Perfect hit!
-					score += 100;
-					hitNote.hasTriggered = true;
-					LK.effects.flashObject(targetBox, 0x00FF00, 500);
-					LK.getSound('hit').play();
-					// Remove the note
-					hitNote.destroy();
-					var noteIndex = notes.indexOf(hitNote);
-					if (noteIndex > -1) {
-						notes.splice(noteIndex, 1);
-					}
-				} else {
-					// Miss - hit target but no note in timing
-					score = Math.max(0, score - 25);
-					LK.effects.flashObject(targetBox, 0xFF0000, 300);
-					LK.getSound('miss').play();
-				}
-				// Remove bullet
-				bullet.destroy();
-				bullets.splice(i, 1);
-				// Update score display
-				scoreTxt.setText('Score: ' + score);
-				LK.setScore(score);
-				break;
-			}
-		}
 	}
 	// Update and check notes
 	for (var i = notes.length - 1; i >= 0; i--) {
 		var note = notes[i];