/**** 
* Classes
****/ 
// BossEnemy class
var BossEnemy = Container.expand(function () {
	var self = Container.call(this);
	var bossGraphics = self.attachAsset('bulletonmy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0;
	self.update = function () {
		// Boss stays at the top part of the screen
		self.y = Math.min(self.y + self.speed, 200);
	};
	self.shoot = function () {
		var bullet = new EnemyBullet();
		bullet.x = self.x;
		bullet.y = self.y;
		game.addChild(bullet);
		enemyBullets.push(bullet);
	};
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('bulletonmy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.destroy();
		}
	};
});
// EnemyBullet class
var EnemyBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('enemyBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.destroy();
		}
	};
});
//<Assets used in the game will automatically appear here>
// Hero class
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.update = function () {
		// Update logic for hero
	};
	self.shoot = function () {
		if (heroBullets.length < 5) {
			var bullet = new HeroBullet();
			bullet.x = self.x;
			bullet.y = self.y;
			game.addChild(bullet);
			heroBullets.push(bullet);
			ammoTxt.setText('Ammo: ' + (6 - heroBullets.length));
		} else {
			if (!self.reloading) {
				self.reloading = true;
				var reloadText = new Text2('Reloading...', {
					size: 50,
					fill: "#ffffff"
				});
				reloadText.anchor.set(0.5, 0.5);
				reloadText.x = self.x;
				reloadText.y = self.y - 100;
				game.addChild(reloadText);
				LK.setTimeout(function () {
					self.reloading = false;
					heroBullets = [];
					ammoTxt.setText('Ammo: 5');
					game.removeChild(reloadText);
				}, 2000);
			}
		}
	};
});
// 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 < 0) {
			self.destroy();
		}
	};
});
var ShootButton = Container.expand(function () {
	var self = Container.call(this);
	var buttonGraphics = self.attachAsset('shootButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.down = function (x, y, obj) {
		hero.shoot();
	};
	self.containsPoint = function (point) {
		var localPoint = self.toLocal(point);
		return localPoint.x >= -self.width / 2 && localPoint.x <= self.width / 2 && localPoint.y >= -self.height / 2 && localPoint.y <= self.height / 2;
	};
});

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

/**** 
* Game Code
****/ 
// New sprite sheet for sci-fi space theme
// Call the drawGrid function to display the grid
// Function to draw an imaginary grid
function drawGrid() {
	var gridSize = 100; // Size of each grid cell
	var gridColor = 0x00FF00; // Color of the grid lines
	for (var x = 0; x <= 2048; x += gridSize) {
		var verticalLine = LK.getAsset('line', {
			width: 1,
			height: 2732,
			color: gridColor
		});
		verticalLine.x = x;
		game.addChild(verticalLine);
	}
	for (var y = 0; y <= 2732; y += gridSize) {
		var horizontalLine = LK.getAsset('line', {
			width: 2048,
			height: 1,
			color: gridColor
		});
		horizontalLine.y = y;
		game.addChild(horizontalLine);
	}
}
drawGrid();
// Initialize arrays and variables
// Update hero bullets
var heroBullets = [];
if (heroBullets && heroBullets.length) {
	for (var i = heroBullets.length - 1; i >= 0; i--) {
		heroBullets[i].update();
		for (var j = enemies.length - 1; j >= 0; j--) {
			if (heroBullets[i].intersects(enemies[j])) {
				enemies[j].destroy();
				heroBullets[i].destroy();
				enemies.splice(j, 1);
				heroBullets.splice(i, 1);
				kills += 1;
				kills += 1;
				killsTxt.setText('Kills: ' + kills);
				if (kills >= 30) {
					LK.showGameOver();
				}
				break;
			}
		}
	}
}
var hero;
var enemies = [];
var heroBullets = [];
var enemyBullets = [];
var enemiesMoved = false;
var bossSpawned = false;
var score = 0;
var kills = 0;
var kills = 0;
var gameDuration = 60000; // 1 minute in milliseconds
var startTime = Date.now();
var killsTxt = new Text2('Kills: 0', {
	size: 50,
	fill: "#ffffff"
});
killsTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(killsTxt);
var ammoTxt = new Text2('Ammo: 5', {
	size: 50,
	fill: "#ffffff"
});
ammoTxt.anchor.set(0.5, 0);
ammoTxt.x = 2048 / 2;
ammoTxt.y = 2732 - 100;
LK.gui.top.addChild(ammoTxt);
var timerTxt = new Text2('Time: 60', {
	size: 50,
	fill: "#ffffff"
});
timerTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(timerTxt);
// Initialize hero
hero = new Hero();
hero.x = 2048 / 2;
hero.y = 2732 - 400;
hero.reloading = false;
game.addChild(hero);
// Initialize shoot button
var shootButton = new ShootButton();
shootButton.x = 2048 - 200;
shootButton.y = 2732 - 200;
game.addChild(shootButton);
// Spawn enemies
function spawnEnemy() {
	var enemy = new Enemy();
	enemy.x = Math.random() * 2048;
	enemy.y = -100;
	game.addChild(enemy);
	enemies.push(enemy);
}
// Function to make half of the enemies come near the hero
function makeEnemiesComeNearHero() {
	var halfEnemies = Math.ceil(enemies.length / 2);
	for (var i = 0; i < halfEnemies; i++) {
		var enemy = enemies[i];
		enemy.x = hero.x;
		enemy.y = hero.y - 200; // Position them near the hero
	}
}
// Update game state
game.update = function () {
	// Update timer text
	var elapsedTime = Date.now() - startTime;
	var remainingTime = Math.max(0, Math.ceil((gameDuration - elapsedTime) / 1000));
	timerTxt.setText('Time: ' + remainingTime);
	if (elapsedTime >= 40000 && !bossSpawned) {
		var boss = new BossEnemy();
		boss.x = 2048 / 2;
		boss.y = -100;
		game.addChild(boss);
		bossSpawned = true;
		// Make the boss shoot periodically
		LK.setInterval(function () {
			boss.shoot();
		}, 1000);
	}
	if (elapsedTime >= 40000 && !enemiesMoved) {
		makeEnemiesComeNearHero();
		enemiesMoved = true;
	}
	if (elapsedTime >= gameDuration) {
		LK.showGameOver();
		alert("You Win! Your score: " + score);
		alert("Game Over! Your score: " + score);
		return;
	}
	// Update hero
	hero.update();
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
		if (enemies[i].intersects(hero)) {
			LK.showGameOver();
		}
	}
	for (var i = heroBullets.length - 1; i >= 0; i--) {
		heroBullets[i].update();
		for (var j = enemies.length - 1; j >= 0; j--) {
			if (heroBullets[i].intersects(enemies[j])) {
				var explosion = LK.getAsset('explosion', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				explosion.x = enemies[j].x;
				explosion.y = enemies[j].y;
				game.addChild(explosion);
				LK.setTimeout(function () {
					game.removeChild(explosion);
				}, 500);
				enemies[j].destroy();
				heroBullets[i].destroy();
				enemies.splice(j, 1);
				heroBullets.splice(i, 1);
				score += 100;
				kills += 1;
				killsTxt.setText('Kills: ' + kills);
				if (kills >= 30) {
					LK.showGameOver();
				}
				break;
			}
		}
	}
	// Update enemy bullets
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		enemyBullets[i].update();
		if (enemyBullets[i].intersects(hero)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	// Spawn enemies periodically
	if (LK.ticks % 60 == 0) {
		spawnEnemy();
	}
};
// Handle touch events
game.move = function (x, y, obj) {
	hero.x = x;
};
game.up = function (x, y, obj) {
	// No action needed on touch up
};

===================================================================
--- original.js
+++ change.js
@@ -245,9 +245,9 @@
 	// Update timer text
 	var elapsedTime = Date.now() - startTime;
 	var remainingTime = Math.max(0, Math.ceil((gameDuration - elapsedTime) / 1000));
 	timerTxt.setText('Time: ' + remainingTime);
-	if (elapsedTime >= 20000 && !bossSpawned) {
+	if (elapsedTime >= 40000 && !bossSpawned) {
 		var boss = new BossEnemy();
 		boss.x = 2048 / 2;
 		boss.y = -100;
 		game.addChild(boss);