/**** 
* Classes
****/ 
// No need to manually define assets, LK will handle this automatically.
// Define a simple class for the light indicator
var LightIndicator = Container.expand(function () {
	var self = Container.call(this);
	var light = self.attachAsset('light', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.setColor = function (color) {
		light.tint = color;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x808080 // Init game with a darker shade of gray
});

/**** 
* Game Code
****/ 
// Initialize variables
var lightIndicator;
var startTime;
var reactionTimeText;
var gameStarted = false;
var countdown = 5;
// Function to start the game
function startGame() {
	gameStarted = true;
	startTime = Date.now();
	var countdownInterval = LK.setInterval(function () {
		countdown--;
		if (countdown >= 0) {
			lightIndicators[5 - countdown - 1].setColor(0xFF0000); // Set light to red
			lightIndicators2[5 - countdown - 1].setColor(0xFF0000); // Set light to red
		}
		if (countdown === 0) {
			LK.clearInterval(countdownInterval);
			LK.setTimeout(turnOffLight, Math.random() * 3000 + 2000); // Turn off light after a random time between 2-5 seconds
		}
	}, 1000);
}
// Function to turn off the light
function turnOffLight() {
	lightIndicators.forEach(function (lightIndicator) {
		lightIndicator.setColor(0x9f9d9d); // Set light to offlight color
	});
	lightIndicators2.forEach(function (lightIndicator) {
		lightIndicator.setColor(0x9f9d9d); // Set light to offlight color
	});
	startTime = Date.now(); // Record the time when the light turns off
}
// Function to handle screen tap
function handleTap(x, y, obj) {
	if (!gameStarted) {
		startGame();
	} else {
		var reactionTime = Date.now() - startTime;
		reactionTimeText.setText("Reaction Time: " + reactionTime + " ms");
		gameStarted = false;
	}
}
// Initialize light indicators
var lightIndicators = [];
var lightIndicators2 = [];
var staticLightIndicators1 = [];
var staticLightIndicators2 = [];
for (var i = 0; i < 5; i++) {
	var lightBackground = game.addChild(LK.getAsset('lightbackground', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: 2048 / 2 + (i - 2) * 200,
		y: 2732 / 2 - 70
	}));
	var lightIndicator = game.addChild(new LightIndicator());
	lightIndicator.x = 2048 / 2 + (i - 2) * 200; // Position lights horizontally with some spacing
	lightIndicator.y = 2732 / 2;
	lightIndicator.setColor(0x9f9d9d); // Set initial light color to white
	lightIndicators.push(lightIndicator);
	var lightIndicator2 = game.addChild(new LightIndicator());
	lightIndicator2.x = 2048 / 2 + (i - 2) * 200; // Position lights horizontally with some spacing
	lightIndicator2.y = 2732 / 2 + 150; // Position the second line of lights 200px below the first line
	lightIndicator2.setColor(0x9f9d9d); // Set initial light color to white
	lightIndicators2.push(lightIndicator2);
	// Add static lights
	var staticLight1 = game.addChild(new LightIndicator());
	staticLight1.x = 2048 / 2 + (i - 2) * 200; // Position lights horizontally with some spacing
	staticLight1.y = 2732 / 2 - 150; // Position the first line of static lights 200px above the first line
	staticLight1.setColor(0x9f9d9d); // Set initial light color to white
	staticLightIndicators1.push(staticLight1);
	var staticLight2 = game.addChild(new LightIndicator());
	staticLight2.x = 2048 / 2 + (i - 2) * 200; // Position lights horizontally with some spacing
	staticLight2.y = 2732 / 2 - 300; // Position the second line of static lights 400px above the first line
	staticLight2.setColor(0x9f9d9d); // Set initial light color to white
	staticLightIndicators2.push(staticLight2);
}
// Initialize reaction time text
reactionTimeText = new Text2('Reaction Time: 0 ms', {
	size: 100,
	fill: "#ffffff"
});
reactionTimeText.anchor.set(0.5, 1);
LK.gui.bottom.addChild(reactionTimeText);
// Set up event listeners
game.down = handleTap;
game.update = function () {
	// No need for continuous updates in this simple game
};

===================================================================
--- original.js
+++ change.js
@@ -18,9 +18,9 @@
 /**** 
 * Initialize Game
 ****/ 
 var game = new LK.Game({
-	backgroundColor: 0xffffff // Init game with white background
+	backgroundColor: 0x808080 // Init game with a darker shade of gray
 });
 
 /**** 
 * Game Code