===================================================================
--- original.js
+++ change.js
@@ -22,8 +22,9 @@
 			tween(self, {
 				speedVariation: Math.random() * 2 - 1
 			}, {
 				duration: Math.random() * 1000,
+				// Random duration for the speed variation
 				easing: tween.easeInOut
 			});
 			self.x += self.speed + self.speedVariation;
 		}
@@ -32,37 +33,39 @@
 // HzBar class representing the Hz bar
 var HzBar = Container.expand(function () {
 	var self = Container.call(this);
 	var barGraphics = self.attachAsset('hzBar', {
-		width: 0,
+		width: 100,
 		anchorX: 0.0,
 		anchorY: 0.5
 	});
-	var maxPitch = 2000; // Maximum pitch expected
 	self.update = function () {
-		if (facekit.volume > 0.5 && facekit.mouthOpen) {
-			barGraphics.width = Math.min(1500, facekit.pitch / maxPitch * 1500);
-			self.tint = interpolateColor(0x87CEEB, 0xFF0000, facekit.pitch / maxPitch);
+		// Update the bar's width based on the pitch
+		// The maximum width is the screen width minus the starting position of the bar
+		// Multiply the pitch by the maximum width and divide by the maximum pitch (2000Hz)
+		barGraphics.width = facekit.pitch * ((2048 - hzBar.x) / 900);
+		// Update the bar's color based on the pitch
+		if (facekit.pitch < 500) {
+			self.tint = 0x4b0082; // Indigo for low pitch
+		} else {
+			self.tint = 0xFF0000; // Red for high pitch
 		}
 	};
-	function interpolateColor(color1, color2, factor) {
-		var r = Math.round((color1 >> 16) * (1 - factor) + (color2 >> 16) * factor);
-		var g = Math.round((color1 >> 8 & 0xFF) * (1 - factor) + (color2 >> 8 & 0xFF) * factor);
-		var b = Math.round((color1 & 0xFF) * (1 - factor) + (color2 & 0xFF) * factor);
-		return r << 16 | g << 8 | b;
-	}
 	return self;
 });
 // PlayerDuck class representing the player's duck
 var PlayerDuck = Container.expand(function () {
 	var self = Container.call(this);
+	// Create a playerDuck graphic and assign it to the playerDuck instance
 	var playerDuckGraphics = self.attachAsset('playerDuck', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
 	self.speed = 5;
 	self.update = function () {
 		if (countdown == 0 && facekit.volume > 0.5 && facekit.mouthOpen) {
+			// Move only if volume is above the threshold and the player is speaking
+			// Update the speed based on the pitch
 			self.speed = facekit.pitch / 100;
 			self.x += self.speed;
 		}
 	};
@@ -78,8 +81,9 @@
 
 /**** 
 * Game Code
 ****/ 
+// Initialize game elements
 var ducks = [];
 var countdown = 3;
 var countdownText = new Text2(countdown.toString(), {
 	size: 150,
@@ -88,49 +92,57 @@
 var volumeText = new Text2('Volume: 0', {
 	size: 50,
 	fill: 0xFFFFFF
 });
-var hzBar = game.addChild(new HzBar());
-hzBar.x = 50;
-hzBar.y = 50;
 volumeText.anchor.set(0.5, 0);
 LK.gui.top.addChild(volumeText);
 countdownText.anchor.set(0.5, 0);
-LK.gui.center.addChild(countdownText);
 var startX = 100;
+LK.gui.center.addChild(countdownText);
 for (var i = 0; i < 5; i++) {
 	var duck = game.addChild(new Duck());
-	duck.x = startX;
-	duck.y = 600 + i * 200 + i * 20;
+	duck.x = startX; // Starting position of the duck
+	duck.y = 600 + i * 200 + i * 20; // Aligned vertically
 	ducks.push(duck);
 }
 var playerDuck = game.addChild(new PlayerDuck());
 var finishLine = game.addChild(LK.getAsset('finishLine', {}));
 finishLine.x = 2048 - finishLine.width - 50;
 finishLine.y = 0;
+var hzBar = game.addChild(new HzBar());
+hzBar.x = 100; // Start a few cm from the left end of the screen
+hzBar.y = 100; // Start a little bit down from the top of the screen
 var lastDuck = ducks[ducks.length - 1];
 playerDuck.y = lastDuck.y + lastDuck.height + 100;
 playerDuck.x = startX;
+var score = 0;
+// Update function called every frame
 game.update = function () {
 	if (countdown > 0 && LK.ticks % 60 == 0) {
 		countdown--;
 		countdownText.setText(countdown.toString());
 		if (countdown == 0) {
 			LK.gui.center.removeChild(countdownText);
+			// Reset the duck's speed variation
+			for (var j = 0; j < ducks.length; j++) {
+				var duck = ducks[j];
+				duck.speedVariation = 0;
+			}
 		}
 	}
 	volumeText.setText('Volume: ' + Math.round(facekit.volume));
-	hzBar.update(); // Update the Hz bar each frame
 	if (playerDuck.x > finishLine.x) {
 		LK.showYouWin();
 		return;
 	}
 	if (LK.ticks % Math.floor(Math.random() * 60 + 60) == 0) {
 		LK.getSound('quack').play();
 	}
 	for (var j = 0; j < ducks.length; j++) {
-		ducks[j].update();
-		if (ducks[j].x > finishLine.x) {
+		var duck = ducks[j];
+		duck.update();
+		// Check if duck has reached the end of the track
+		if (duck.x > finishLine.x) {
 			LK.showGameOver();
 		}
 	}
 };
\ No newline at end of file