/**** 
* Classes
****/
// Firework particle class
var FireworkParticle = Container.expand(function () {
	var self = Container.call(this);
	var particleGraphics = self.createAsset('fireworkParticle', 'Firework particle', 0.5, 0.5);
	self.color = 0xFFFFFF; // Default color white
	particleGraphics.tint = self.color;
	self.speedX = 0;
	self.speedY = 0;
	self.alpha = 1;
	self.scaleX = 1;
	self.scaleY = 1;
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		self.alpha *= 0.98; // fade out more slowly
		self.scaleX *= 0.99;
		self.scaleY *= 0.99;
		if (self.alpha < 0.05) {
			self.destroy();
		}
	};
});
// Firework class
var Firework = Container.expand(function () {
	var self = Container.call(this);
	self.particles = [];
	self.explode = function (x, y) {
		var colors = [0xFF0000, 0x00FF00, 0x0000FF, 0xFFFF00, 0xFF00FF, 0x00FFFF];
		var randomColor = colors[Math.floor(Math.random() * colors.length)];
		for (var i = 0; i < 50; i++) {
			var particle = new FireworkParticle();
			var angle = Math.random() * Math.PI * 2;
			var speed = Math.random() * 5 + 2;
			particle.color = randomColor; // Assign random color to particle
			particle.speedX = Math.cos(angle) * speed;
			particle.speedY = Math.sin(angle) * speed;
			particle.x = x;
			particle.y = y;
			particle.createAsset('fireworkParticle', 'Firework particle', 0.5, 0.5).tint = particle.color; // Apply color tint to particle
			self.particles.push(particle);
			game.addChild(particle);
		}
	};
	self.update = function () {
		for (var i = self.particles.length - 1; i >= 0; i--) {
			self.particles[i].update();
			if (self.particles[i].alpha < 0.05) {
				self.particles.splice(i, 1);
			}
		}
	};
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x000000 // Init game with black background
});

/**** 
* Game Code
****/
// Initialize fireworks array
var fireworks = [];
// Event listener for mouse or touch down
game.on('down', function (obj) {
	var event = obj.event;
	var pos = event.getLocalPosition(game);
	var firework = new Firework();
	firework.explode(pos.x, pos.y);
	fireworks.push(firework);
});
// Update function for the game
LK.on('tick', function () {
	for (var i = fireworks.length - 1; i >= 0; i--) {
		fireworks[i].update();
		if (fireworks[i].particles.length === 0) {
			fireworks.splice(i, 1);
		}
	}
});

===================================================================
--- original.js
+++ change.js
@@ -4,8 +4,10 @@
 // Firework particle class
 var FireworkParticle = Container.expand(function () {
 	var self = Container.call(this);
 	var particleGraphics = self.createAsset('fireworkParticle', 'Firework particle', 0.5, 0.5);
+	self.color = 0xFFFFFF; // Default color white
+	particleGraphics.tint = self.color;
 	self.speedX = 0;
 	self.speedY = 0;
 	self.alpha = 1;
 	self.scaleX = 1;
@@ -25,16 +27,20 @@
 var Firework = Container.expand(function () {
 	var self = Container.call(this);
 	self.particles = [];
 	self.explode = function (x, y) {
+		var colors = [0xFF0000, 0x00FF00, 0x0000FF, 0xFFFF00, 0xFF00FF, 0x00FFFF];
+		var randomColor = colors[Math.floor(Math.random() * colors.length)];
 		for (var i = 0; i < 50; i++) {
 			var particle = new FireworkParticle();
 			var angle = Math.random() * Math.PI * 2;
 			var speed = Math.random() * 5 + 2;
+			particle.color = randomColor; // Assign random color to particle
 			particle.speedX = Math.cos(angle) * speed;
 			particle.speedY = Math.sin(angle) * speed;
 			particle.x = x;
 			particle.y = y;
+			particle.createAsset('fireworkParticle', 'Firework particle', 0.5, 0.5).tint = particle.color; // Apply color tint to particle
 			self.particles.push(particle);
 			game.addChild(particle);
 		}
 	};