/**** 
* Classes
****/ 
// Explosion class to represent the explosion effect
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.alpha > 0) {
			self.alpha -= 0.01;
		} else {
			self.destroy();
		}
	};
});
var Light = Container.expand(function () {
	var self = Container.call(this);
	var lightGraphics = self.attachAsset('light', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.state = 'red'; // Initial state
	self.setColor = function (color) {
		if (color === 'green') {
			lightGraphics.tint = 0x00FF00; // Green
		} else if (color === 'red') {
			lightGraphics.tint = 0xFF0000; // Red
		} else {
			lightGraphics.tint = 0x000000; // Off
		}
		self.state = color;
	};
});
// Meter class to represent the progress meter
var Meter = Container.expand(function () {
	var self = Container.call(this);
	var meterGraphics = self.attachAsset('meter', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		meterGraphics.width = score / 20 * 2048;
	};
});

/**** 
* Initialize Game
****/ 
//<Assets used in the game will automatically appear here>
var game = new LK.Game({
	backgroundColor: 0x000000 //Init game with black background 
});

/**** 
* Game Code
****/ 
var greenLightOnTime;
var redLight = game.addChild(new Light());
redLight.x = 2048 / 2;
redLight.y = 2732 / 2 - 300;
redLight.setColor('red');
var yellowLight = game.addChild(new Light());
yellowLight.x = 2048 / 2;
yellowLight.y = 2732 / 2;
yellowLight.setColor('red');
var greenLight = game.addChild(new Light());
greenLight.x = 2048 / 2;
greenLight.y = 2732 / 2 + 300;
greenLight.setColor('red');
var score = 0;
var explosion = game.addChild(new Explosion());
explosion.x = 2048 / 2;
explosion.y = 2732 / 2;
explosion.alpha = 0;
var meter = game.addChild(new Meter());
meter.x = 2048 / 2;
meter.y = 50;
var scoreTxt = new Text2('Score: 0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var canTap = false;
var changeLightTimeout;
// Function to change the light color
function changeLight() {
	if (redLight.state === 'red') {
		redLight.setColor('green');
		yellowLight.setColor('green');
		greenLight.setColor('green');
		canTap = true;
		greenLightOnTime = Date.now();
		changeLightTimeout = LK.setTimeout(function () {
			redLight.setColor('red');
			yellowLight.setColor('red');
			greenLight.setColor('red');
			canTap = false;
			changeLight();
		}, Math.random() * 2000 + 1000); // Random time between 1-3 seconds
	} else {
		redLight.setColor('red');
		yellowLight.setColor('red');
		greenLight.setColor('red');
		canTap = false;
		changeLightTimeout = LK.setTimeout(changeLight, Math.random() * 2000 + 1000);
	}
}
// Start the light change cycle
changeLight();
// Handle tap event
game.down = function (x, y, obj) {
	if (canTap && greenLight.state === 'green') {
		score++;
		var reactionTime = (Date.now() - greenLightOnTime) / 1000;
		scoreTxt.setText(('SCORE: ' + score + ', REACTION TIME: ' + reactionTime.toFixed(2) + 'S').toUpperCase());
		greenLight.setColor('red');
		canTap = false;
		LK.clearTimeout(changeLightTimeout);
		changeLight();
		if (score == 10) {
			LK.playMusic('1');
			explosion.alpha = 1;
		}
		if (score >= 10) {
			meter.update();
		}
	} else if (greenLight.state === 'red') {
		// Reset score to zero for incorrect tap
		score = 0;
		scoreTxt.setText(('SCORE: ' + score).toUpperCase());
		// Flash screen red for incorrect tap
		LK.effects.flashScreen(0xff0000, 500);
		// Stop the song when the light turns red
		LK.stopMusic();
	}
};
// Update function
game.update = function () {
	// Game logic updates can be added here if needed
};

===================================================================
--- original.js
+++ change.js
@@ -1,8 +1,22 @@
 /**** 
 * Classes
 ****/ 
-// Light class to represent the traffic light
+// Explosion class to represent the explosion effect
+var Explosion = Container.expand(function () {
+	var self = Container.call(this);
+	var explosionGraphics = self.attachAsset('explosion', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.update = function () {
+		if (self.alpha > 0) {
+			self.alpha -= 0.01;
+		} else {
+			self.destroy();
+		}
+	};
+});
 var Light = Container.expand(function () {
 	var self = Container.call(this);
 	var lightGraphics = self.attachAsset('light', {
 		anchorX: 0.5,
@@ -19,8 +33,19 @@
 		}
 		self.state = color;
 	};
 });
+// Meter class to represent the progress meter
+var Meter = Container.expand(function () {
+	var self = Container.call(this);
+	var meterGraphics = self.attachAsset('meter', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.update = function () {
+		meterGraphics.width = score / 20 * 2048;
+	};
+});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -45,8 +70,15 @@
 greenLight.x = 2048 / 2;
 greenLight.y = 2732 / 2 + 300;
 greenLight.setColor('red');
 var score = 0;
+var explosion = game.addChild(new Explosion());
+explosion.x = 2048 / 2;
+explosion.y = 2732 / 2;
+explosion.alpha = 0;
+var meter = game.addChild(new Meter());
+meter.x = 2048 / 2;
+meter.y = 50;
 var scoreTxt = new Text2('Score: 0', {
 	size: 100,
 	fill: 0xFFFFFF
 });
@@ -90,9 +122,13 @@
 		LK.clearTimeout(changeLightTimeout);
 		changeLight();
 		if (score == 10) {
 			LK.playMusic('1');
+			explosion.alpha = 1;
 		}
+		if (score >= 10) {
+			meter.update();
+		}
 	} else if (greenLight.state === 'red') {
 		// Reset score to zero for incorrect tap
 		score = 0;
 		scoreTxt.setText(('SCORE: ' + score).toUpperCase());