/**** 
* Classes
****/ 
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	self.health = 20;
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Enemies move every 2 seconds
		if (LK.ticks % 120 == 0) {
			var newX = self.x + Math.random() * 200 - 100; // Random horizontal movement
			var newY = self.y + Math.random() * 200 - 100; // Random vertical movement
			// Animate the movement over 2 seconds
			var dx = (newX - self.x) / 120;
			var dy = (newY - self.y) / 120;
			for (var i = 0; i < 120; i++) {
				LK.setTimeout(function () {
					self.x += dx;
					self.y += dy;
				}, i * (1000 / 60)); // 60FPS
			}
		}
		// Enemies lower every 1 second
		if (LK.ticks % 60 == 0) {
			var newY = self.y + 50; // Lower the enemy
			// Animate the lowering over 1 second
			var dy = (newY - self.y) / 60;
			for (var i = 0; i < 60; i++) {
				LK.setTimeout(function () {
					self.y += dy;
				}, i * (1000 / 60)); // 60FPS
			}
		}
	};
});
// Assets will be automatically created and loaded by the LK engine based on usage in the game code.
// Hero class
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.shoot = function () {
		var bullet = new HeroBullet();
		bullet.x = self.x;
		bullet.y = self.y;
		game.addChild(bullet);
		bullets.push(bullet);
	};
});
// HeroBullet class
var HeroBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('heroBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -10;
	self.update = function () {
		self.y += self.speed;
		if (self.y < -50) {
			self.destroy();
			bullets.splice(bullets.indexOf(self), 1);
		}
	};
});
// Particle class
var Particle = Container.expand(function () {
	var self = Container.call(this);
	var particleGraphics = self.attachAsset('particle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = Math.random() * 10 - 5; // Random horizontal speed
	self.speedY = Math.random() * 10 - 5; // Random vertical speed
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		self.alpha -= 0.01; // Fade out
		if (self.alpha <= 0) {
			self.destroy();
		}
	};
});

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

/**** 
* Game Code
****/ 
// Generate particles at a given position
function generateParticles(x, y) {
	for (var i = 0; i < 100; i++) {
		var particle = new Particle();
		particle.x = x;
		particle.y = y;
		game.addChild(particle);
	}
}
var background = game.attachAsset('background', {
	anchorX: 0,
	anchorY: 0
});
var hero;
var bullets = [];
var enemies = [];
// Initialize hero
function initHero() {
	hero = new Hero();
	hero.x = 1024; // Center horizontally
	hero.y = 2732 - 200; // Position from the bottom
	game.addChild(hero);
}
// Initialize enemies
function initEnemies() {
	for (var i = 0; i < 5; i++) {
		var enemy = new Enemy();
		enemy.x = 100 + i * 400; // Spread enemies horizontally
		enemy.y = 200; // Position enemies from the top
		game.addChild(enemy);
		enemies.push(enemy);
	}
}
// Game touch event to shoot
game.down = function (x, y, obj) {
	hero.shoot();
};
// Check for bullet collisions with enemies
game.update = function () {
	bullets.forEach(function (bullet) {
		enemies.forEach(function (enemy, index) {
			if (bullet.intersects(enemy)) {
				bullet.destroy();
				bullets.splice(bullets.indexOf(bullet), 1);
				enemy.health -= 1;
				if (enemy.health <= 0) {
					enemy.destroy();
					enemies.splice(index, 1);
					generateParticles(enemy.x, enemy.y);
				}
			}
		});
	});
	// Optionally, add logic to spawn more enemies or handle game over state
};
// Initialize game elements
initHero();
initEnemies();

===================================================================
--- original.js
+++ change.js
@@ -68,8 +68,26 @@
 			bullets.splice(bullets.indexOf(self), 1);
 		}
 	};
 });
+// Particle class
+var Particle = Container.expand(function () {
+	var self = Container.call(this);
+	var particleGraphics = self.attachAsset('particle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speedX = Math.random() * 10 - 5; // Random horizontal speed
+	self.speedY = Math.random() * 10 - 5; // Random vertical speed
+	self.update = function () {
+		self.x += self.speedX;
+		self.y += self.speedY;
+		self.alpha -= 0.01; // Fade out
+		if (self.alpha <= 0) {
+			self.destroy();
+		}
+	};
+});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -79,8 +97,17 @@
 
 /**** 
 * Game Code
 ****/ 
+// Generate particles at a given position
+function generateParticles(x, y) {
+	for (var i = 0; i < 100; i++) {
+		var particle = new Particle();
+		particle.x = x;
+		particle.y = y;
+		game.addChild(particle);
+	}
+}
 var background = game.attachAsset('background', {
 	anchorX: 0,
 	anchorY: 0
 });
@@ -118,8 +145,9 @@
 				enemy.health -= 1;
 				if (enemy.health <= 0) {
 					enemy.destroy();
 					enemies.splice(index, 1);
+					generateParticles(enemy.x, enemy.y);
 				}
 			}
 		});
 	});