/**** 
* Classes
****/ 
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.destroy();
		}
	};
});
//<Assets used in the game will automatically appear here>
// Hero class representing the player
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.shoot = function () {
		var bullet = new HeroBullet();
		bullet.x = self.x;
		bullet.y = self.y - heroGraphics.height / 2;
		game.addChild(bullet);
		heroBullets.push(bullet);
	};
});
// HeroBullet class representing bullets shot by the hero
var HeroBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('heroBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.update = function () {
		self.y += self.speed;
		if (self.y < 0) {
			self.destroy();
		}
	};
});
// Create a joystick class
var Joystick = Container.expand(function () {
	var self = Container.call(this);
	var joystickGraphics = self.attachAsset('joystick', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = 200;
	self.y = 2532 - 200;
	self.radius = 100;
	self.isDown = false;
	self.down = function (x, y, obj) {
		self.isDown = true;
	};
	self.up = function (x, y, obj) {
		self.isDown = false;
	};
	self.move = function (x, y, obj) {
		if (self.isDown) {
			var dx = x - self.x;
			var dy = y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance < self.radius) {
				hero.x += dx;
				hero.y += dy;
			}
		}
	};
});
// Initialize the joystick
// MainVillain class representing the main villain
var MainVillain = Container.expand(function () {
	var self = Container.call(this);
	var mainVillainGraphics = self.attachAsset('mainVillain', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.destroy();
		}
	};
});

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

/**** 
* Game Code
****/ 
var hero = new Hero();
hero.x = 2048 / 2;
hero.y = 2732 - 150;
game.addChild(hero);
// Initialize the score text
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var enemies = [];
var heroBullets = [];
// Function to spawn enemies
function spawnEnemy() {
	var enemy = new Enemy();
	enemy.x = Math.random() * 2048;
	enemy.y = -50;
	game.addChild(enemy);
	enemies.push(enemy);
}
// Handle game updates
game.update = function () {
	// Update hero bullets
	for (var i = heroBullets.length - 1; i >= 0; i--) {
		heroBullets[i].update();
		if (heroBullets[i].y < 0) {
			heroBullets[i].destroy();
			heroBullets.splice(i, 1);
		}
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		if (enemies[j].y > 2732) {
			enemies[j].destroy();
			enemies.splice(j, 1);
			// Display a game over message and end the game
			LK.showGameOver("Game Over! Enemy reached the boundary.");
		}
	}
	// Check for collisions between hero bullets and enemies
	for (var k = heroBullets.length - 1; k >= 0; k--) {
		for (var l = enemies.length - 1; l >= 0; l--) {
			if (heroBullets[k].intersects(enemies[l])) {
				heroBullets[k].destroy();
				enemies[l].destroy();
				heroBullets.splice(k, 1);
				enemies.splice(l, 1);
				// Update the score
				LK.setScore(LK.getScore() + 1);
				scoreTxt.setText(LK.getScore());
				// Check if the score reaches 490
				if (LK.getScore() == 490) {
					// Spawn the main villain
					var mainVillain = new MainVillain();
					mainVillain.x = 2048 / 2;
					mainVillain.y = -50;
					game.addChild(mainVillain);
				}
				// Check if the score reaches 500
				else if (LK.getScore() >= 500) {
					// Display a winning message and end the game
					LK.showGameOver("Congratulations! You won the game!");
				}
				break;
			}
		}
	}
	// Check for collisions between hero and enemies
	for (var m = enemies.length - 1; m >= 0; m--) {
		if (hero.intersects(enemies[m])) {
			// Display a losing message and end the game
			LK.showGameOver("You died!");
			break;
		}
	}
};
// Initialize the joystick
var joystick = new Joystick();
game.addChild(joystick);
// Handle touch events for shooting
game.down = function (x, y, obj) {
	if (!joystick.isDown) {
		hero.shoot();
	}
};
game.move = function (x, y, obj) {
	if (!joystick.isDown) {
		var dx = x - hero.x;
		var dy = y - hero.y;
		var angle = Math.atan2(dy, dx);
		hero.rotation = angle;
	}
};
// Spawn enemies at intervals
var enemySpawnInterval = LK.setInterval(spawnEnemy, 1000);

===================================================================
--- original.js
+++ change.js
@@ -46,8 +46,38 @@
 			self.destroy();
 		}
 	};
 });
+// Create a joystick class
+var Joystick = Container.expand(function () {
+	var self = Container.call(this);
+	var joystickGraphics = self.attachAsset('joystick', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.x = 200;
+	self.y = 2532 - 200;
+	self.radius = 100;
+	self.isDown = false;
+	self.down = function (x, y, obj) {
+		self.isDown = true;
+	};
+	self.up = function (x, y, obj) {
+		self.isDown = false;
+	};
+	self.move = function (x, y, obj) {
+		if (self.isDown) {
+			var dx = x - self.x;
+			var dy = y - self.y;
+			var distance = Math.sqrt(dx * dx + dy * dy);
+			if (distance < self.radius) {
+				hero.x += dx;
+				hero.y += dy;
+			}
+		}
+	};
+});
+// Initialize the joystick
 // MainVillain class representing the main villain
 var MainVillain = Container.expand(function () {
 	var self = Container.call(this);
 	var mainVillainGraphics = self.attachAsset('mainVillain', {
@@ -150,18 +180,23 @@
 			break;
 		}
 	}
 };
+// Initialize the joystick
+var joystick = new Joystick();
+game.addChild(joystick);
 // Handle touch events for shooting
 game.down = function (x, y, obj) {
-	hero.shoot();
+	if (!joystick.isDown) {
+		hero.shoot();
+	}
 };
 game.move = function (x, y, obj) {
-	hero.x = x;
-	hero.y = y;
-	var dx = x - hero.x;
-	var dy = y - hero.y;
-	var angle = Math.atan2(dy, dx);
-	hero.rotation = angle;
+	if (!joystick.isDown) {
+		var dx = x - hero.x;
+		var dy = y - hero.y;
+		var angle = Math.atan2(dy, dx);
+		hero.rotation = angle;
+	}
 };
 // Spawn enemies at intervals
 var enemySpawnInterval = LK.setInterval(spawnEnemy, 1000);
\ No newline at end of file