/**** 
* Classes
****/ 
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Hero class representing the player character
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		// Update logic for hero
	};
});
// Bullet class for hero's bullets
var HeroBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.update = function () {
		self.y += self.speed;
	};
});
// Zombie class representing enemy characters
var Zombie = Container.expand(function () {
	var self = Container.call(this);
	var zombieGraphics = self.attachAsset('zombie', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 1;
	self.speed = 5;
	self.update = function () {
		// Update logic for zombie
		self.y += self.speed;
		self.x = Math.max(0 + self.width / 2, Math.min(2048 - self.width / 2, self.x));
		// Check if zombie is hit by a bullet
		for (var i = bullets.length - 1; i >= 0; i--) {
			var bullet = bullets[i];
			if (bullet.intersects(self)) {
				// Destroy bullet
				bullet.destroy();
				bullets.splice(i, 1);
				// Increase score by 5
				LK.setScore(LK.getScore() + 5);
				// Update score display
				scoreText.setText(LK.getScore());
				// Destroy zombie
				self.destroy();
				zombies.splice(zombies.indexOf(self), 1);
				break;
			}
		}
	};
});

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

/**** 
* Game Code
****/ 
// Play background music
LK.playMusic('Zombi');
var background = game.attachAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
// Initialize hero
var hero = game.addChild(new Hero());
hero.x = 2048 / 2;
hero.y = 2732 - 100;
// Array to keep track of zombies
var zombies = [];
// Array to keep track of bullets
var bullets = [];
// Create score text and add it to the top right of the screen
var scoreText = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreText.anchor.set(1, 0); // Anchor to the top right
LK.gui.topRight.addChild(scoreText);
// Function to spawn a new zombie
function spawnZombie() {
	var zombie = new Zombie();
	do {
		zombie.x = Math.random() * 2048;
	} while (zombies.some(function (otherZombie) {
		return Math.abs(zombie.x - otherZombie.x) < zombie.width;
	}));
	zombie.y = -50;
	zombies.push(zombie);
	game.addChild(zombie);
	// Set zombie health based on score
	if (LK.getScore() >= 200) {
		zombie.health = 3;
	} else if (LK.getScore() >= 100) {
		zombie.health = 2;
	} else {
		zombie.health = 1;
	}
}
// Function to handle shooting
var lastShotTime = 0;
var shootInterval = 30; // Adjust this value to control shooting frequency
function shootBullet() {
	if (LK.ticks - lastShotTime >= shootInterval) {
		var bullet = new HeroBullet();
		bullet.x = hero.x;
		bullet.y = hero.y;
		bullets.push(bullet);
		game.addChild(bullet);
		lastShotTime = LK.ticks;
		// Play shooting sound
		LK.getSound('Mermi').play();
	}
}
// Game update loop
game.update = function () {
	// Update hero
	hero.update();
	// Update zombies
	for (var i = zombies.length - 1; i >= 0; i--) {
		var zombie = zombies[i];
		// Increase zombie speed every 100 points
		if (LK.getScore() >= 300) {
			zombie.speed = 10; // Increase speed
		} else if (LK.getScore() >= 200) {
			zombie.speed = 8; // Increase speed
		} else if (LK.getScore() >= 100) {
			zombie.speed = 6; // Increase speed
		} else {
			zombie.speed = 5; // Default speed
		}
		zombie.update();
		if (zombie.y > 2732) {
			// End the game if a zombie goes off the screen
			LK.showGameOver();
			break;
		}
	}
	// Update bullets
	for (var j = bullets.length - 1; j >= 0; j--) {
		var bullet = bullets[j];
		bullet.update();
		if (bullet.y < 0) {
			bullet.destroy();
			bullets.splice(j, 1);
		}
	}
	// Check for collisions between bullets and zombies
	for (var k = bullets.length - 1; k >= 0; k--) {
		var bullet = bullets[k];
		for (var l = zombies.length - 1; l >= 0; l--) {
			var zombie = zombies[l];
			if (bullet.intersects(zombie)) {
				bullet.destroy();
				bullets.splice(k, 1);
				zombie.destroy();
				zombies.splice(l, 1);
				break;
			}
		}
	}
	// Check for collisions between hero and zombies
	for (var m = zombies.length - 1; m >= 0; m--) {
		var zombie = zombies[m];
		if (hero.intersects(zombie)) {
			// End the game if the hero collides with a zombie
			LK.showGameOver();
			break;
		}
	}
	// Spawn new zombies periodically
	if (LK.ticks % 60 === 0) {
		var zombieCount = 1;
		if (LK.getScore() >= 300) {
			zombieCount = 4;
		} else if (LK.getScore() >= 200) {
			zombieCount = 3;
		} else if (LK.getScore() >= 100) {
			zombieCount = 2;
		}
		for (var i = 0; i < zombieCount; i++) {
			spawnZombie();
		}
	}
};
// Handle touch events for moving the hero
game.down = function (x, y, obj) {
	hero.x = x;
};
game.move = function (x, y, obj) {
	hero.x = Math.max(0 + hero.width / 2, Math.min(2048 - hero.width / 2, x));
};
// Handle shooting on touch release
game.up = function (x, y, obj) {
	shootBullet();
};

===================================================================
--- original.js
+++ change.js
@@ -95,9 +95,13 @@
 LK.gui.topRight.addChild(scoreText);
 // Function to spawn a new zombie
 function spawnZombie() {
 	var zombie = new Zombie();
-	zombie.x = Math.random() * 2048;
+	do {
+		zombie.x = Math.random() * 2048;
+	} while (zombies.some(function (otherZombie) {
+		return Math.abs(zombie.x - otherZombie.x) < zombie.width;
+	}));
 	zombie.y = -50;
 	zombies.push(zombie);
 	game.addChild(zombie);
 	// Set zombie health based on score