/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
// --- Bullet Class ---
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	// Attach bullet asset (yellow box)
	var bulletAsset = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Bullet speed (pixels per frame)
	self.speed = 40;
	// Direction in radians (set on creation)
	self.direction = 0;
	// Damage dealt by this bullet
	self.damage = 1;
	// Update method called every tick
	self.update = function () {
		self.x += Math.cos(self.direction) * self.speed;
		self.y += Math.sin(self.direction) * self.speed;
	};
	return self;
});
// --- Enemy Class ---
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	// Attach enemy asset (green ellipse)
	var enemyAsset = self.attachAsset('centerCircle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Enemy properties
	self.radius = 60 + Math.random() * 40; // for spawn distance
	self.speed = 3 + Math.random() * 2; // pixels per frame
	self.maxHp = 3 + Math.floor(Math.random() * 3); // 3-5 HP
	self.hp = self.maxHp;
	// Direction towards center (set on spawn)
	self.direction = 0;
	// Health bar (red background, green foreground)
	self.hpBarBg = self.addChild(LK.getAsset('character', {
		width: 80,
		height: 12,
		color: 0x880000,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5,
		y: -70
	}));
	self.hpBar = self.addChild(LK.getAsset('centerCircle', {
		width: 76,
		height: 8,
		color: 0x44de44,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5,
		y: -70
	}));
	// Update health bar width
	self.updateHpBar = function () {
		self.hpBar.width = 76 * (self.hp / self.maxHp);
	};
	// Update method called every tick
	self.update = function () {
		self.x += Math.cos(self.direction) * self.speed;
		self.y += Math.sin(self.direction) * self.speed;
	};
	// Take damage
	self.takeDamage = function (amount) {
		self.hp -= amount;
		if (self.hp < 0) self.hp = 0;
		self.updateHpBar();
	};
	// On death
	self.die = function () {
		// Flash effect
		LK.effects.flashObject(self, 0xffffff, 200);
	};
	// Initialize health bar
	self.updateHpBar();
	return self;
});
// --- Player Class ---
var Player = Container.expand(function () {
	var self = Container.call(this);
	// Attach player asset (red box)
	var playerAsset = self.attachAsset('character', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Player properties
	self.radius = 0; // always at center
	self.rotation = 0; // radians
	self.maxHp = 5;
	self.hp = self.maxHp;
	// Health bar (red background, green foreground)
	self.hpBarBg = self.addChild(LK.getAsset('character', {
		width: 120,
		height: 18,
		color: 0x880000,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5,
		y: 90
	}));
	self.hpBar = self.addChild(LK.getAsset('centerCircle', {
		width: 116,
		height: 12,
		color: 0x44de44,
		shape: 'box',
		anchorX: 0.5,
		anchorY: 0.5,
		y: 90
	}));
	// Update health bar width
	self.updateHpBar = function () {
		self.hpBar.width = 116 * (self.hp / self.maxHp);
	};
	// Take damage
	self.takeDamage = function (amount) {
		self.hp -= amount;
		if (self.hp < 0) self.hp = 0;
		self.updateHpBar();
	};
	// On death
	self.die = function () {
		LK.effects.flashObject(self, 0xff0000, 500);
	};
	// Initialize health bar
	self.updateHpBar();
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x181818
});

/**** 
* Game Code
****/ 
// --- Global Variables ---
var player;
var enemies = [];
var bullets = [];
var spawnTimer = 0;
var fireCooldown = 0;
var dragActive = false;
var lastTouchAngle = 0;
// --- Score Display ---
var scoreTxt = new Text2('0', {
	size: 120,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// --- Player Initialization ---
player = new Player();
player.x = 2048 / 2;
player.y = 2732 / 2;
game.addChild(player);
// --- Helper: Get angle from center to (x, y) ---
function getAngleToCenter(x, y) {
	var cx = 2048 / 2;
	var cy = 2732 / 2;
	return Math.atan2(y - cy, x - cx);
}
// --- Helper: Fire Bullet ---
function fireBullet(angle) {
	if (fireCooldown > 0) return;
	var bullet = new Bullet();
	bullet.x = player.x;
	bullet.y = player.y;
	bullet.direction = angle;
	bullets.push(bullet);
	game.addChild(bullet);
	fireCooldown = 10; // frames
	// Optionally: play sound
	// LK.getSound('shoot').play();
}
// --- Handle Touch/Drag to Rotate Player ---
game.down = function (x, y, obj) {
	dragActive = true;
	var angle = getAngleToCenter(x, y);
	lastTouchAngle = angle;
	// Instantly rotate player to this angle
	player.rotation = angle;
};
game.move = function (x, y, obj) {
	if (dragActive) {
		var angle = getAngleToCenter(x, y);
		player.rotation = angle;
		lastTouchAngle = angle;
	}
};
game.up = function (x, y, obj) {
	dragActive = false;
	// Fire bullet in the direction player is facing
	fireBullet(player.rotation);
};
// --- Enemy Spawning ---
function spawnEnemy() {
	var angle = Math.random() * Math.PI * 2;
	var distance = 1100 + Math.random() * 400;
	var ex = 2048 / 2 + Math.cos(angle) * distance;
	var ey = 2732 / 2 + Math.sin(angle) * distance;
	var enemy = new Enemy();
	enemy.x = ex;
	enemy.y = ey;
	// Set direction towards player center
	enemy.direction = Math.atan2(2732 / 2 - ey, 2048 / 2 - ex);
	enemies.push(enemy);
	game.addChild(enemy);
}
// --- Game Update Loop ---
game.update = function () {
	// --- Fire cooldown ---
	if (fireCooldown > 0) fireCooldown--;
	// --- Enemy spawn timer ---
	spawnTimer--;
	if (spawnTimer <= 0) {
		spawnEnemy();
		spawnTimer = 60 + Math.floor(Math.random() * 40); // spawn every 1-1.5s
	}
	// --- Update Bullets ---
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		bullet.update();
		// Remove if out of bounds
		if (bullet.x < -200 || bullet.x > 2048 + 200 || bullet.y < -200 || bullet.y > 2732 + 200) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check collision with enemies
		var hit = false;
		for (var j = enemies.length - 1; j >= 0; j--) {
			var enemy = enemies[j];
			if (bullet.intersects(enemy)) {
				enemy.takeDamage(bullet.damage);
				if (enemy.hp <= 0) {
					enemy.die();
					enemy.destroy();
					enemies.splice(j, 1);
					LK.setScore(LK.getScore() + 1);
					scoreTxt.setText(LK.getScore());
				}
				bullet.destroy();
				bullets.splice(i, 1);
				hit = true;
				break;
			}
		}
		if (hit) continue;
	}
	// --- Update Enemies ---
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		enemy.update();
		// Check collision with player
		if (enemy.intersects(player)) {
			player.takeDamage(1);
			enemy.die();
			enemy.destroy();
			enemies.splice(i, 1);
			// Flash screen
			LK.effects.flashScreen(0xff0000, 400);
			// Game over if player dead
			if (player.hp <= 0) {
				player.die();
				LK.showGameOver();
				return;
			}
		}
	}
};
// --- Score Initialization ---
LK.setScore(0);
scoreTxt.setText(LK.getScore());

===================================================================
--- original.js
+++ change.js