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

/**** 
* Classes
****/ 
// Enemy: Drone
var Drone = Container.expand(function () {
	var self = Container.call(this);
	var gfx = self.attachAsset('drone', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hp = 1;
	self.shootCooldown = 0;
	self.update = function () {
		self.x -= 8;
	};
	return self;
});
// Enemy bullet
var EnemyBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGfx = self.attachAsset('bullet_enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -18;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
// Explosion effect
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var gfx = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 1
	});
	// Animate fade out
	tween(gfx, {
		alpha: 0
	}, {
		duration: 400,
		easing: tween.linear,
		onFinish: function onFinish() {
			self.destroy();
		}
	});
	return self;
});
// Squad member: Medic
var Medic = Container.expand(function () {
	var self = Container.call(this);
	var gfx = self.attachAsset('medic', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hp = 3;
	self.role = 'medic';
	self.update = function () {};
	return self;
});
// Player bullet
var PlayerBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGfx = self.attachAsset('bullet_player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 32;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
// Powerup: Ammo
var PowerupAmmo = Container.expand(function () {
	var self = Container.call(this);
	var gfx = self.attachAsset('powerup_ammo', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.x -= 6;
	};
	return self;
});
// Powerup: Health
var PowerupHealth = Container.expand(function () {
	var self = Container.call(this);
	var gfx = self.attachAsset('powerup_health', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.x -= 6;
	};
	return self;
});
// Captain Rhea Morgan (player)
var Rhea = Container.expand(function () {
	var self = Container.call(this);
	var gfx = self.attachAsset('rhea', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hp = 5;
	self.shootCooldown = 0;
	self.update = function () {};
	return self;
});
// Squad member: Sniper
var Sniper = Container.expand(function () {
	var self = Container.call(this);
	var gfx = self.attachAsset('sniper', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hp = 2;
	self.role = 'sniper';
	self.shootCooldown = 0;
	self.update = function () {};
	return self;
});
// Enemy: Tank (mini-boss)
var Tank = Container.expand(function () {
	var self = Container.call(this);
	var gfx = self.attachAsset('tank', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.hp = 10;
	self.shootCooldown = 0;
	self.update = function () {
		self.x -= 4;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x222831
});

/**** 
* Game Code
****/ 
// World War I background image
var battlefieldBg = LK.getAsset('ww1_bg', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0,
	width: 2048,
	height: 2732,
	alpha: 0.35
});
game.addChild(battlefieldBg);
// Play music
// Main character: Captain Rhea Morgan
// Squad member: Medic
// Squad member: Sniper
// Enemy: Drone
// Enemy: Tank
// Bullet: Player
// Bullet: Enemy
// Powerup: Health
// Powerup: Ammo
// Explosion effect
// Sound effects
// Music
LK.playMusic('battle_theme');
// Game state variables
var rhea, medic, sniper;
var squad = [];
var playerBullets = [];
var enemyBullets = [];
var enemies = [];
var powerups = [];
var explosions = [];
var score = 0;
var resources = 0;
var gameOver = false;
var youWin = false;
var dragNode = null;
var lastTouchX = 0,
	lastTouchY = 0;
// UI
var scoreTxt = new Text2('0', {
	size: 100,
	fill: "#fff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var hpTxt = new Text2('HP: 5', {
	size: 70,
	fill: 0xFF5252
});
// Move HP text to the upper left, avoiding the top left 100x100 px reserved area
hpTxt.anchor.set(0, 0);
hpTxt.x = 110; // 10px right of reserved area
hpTxt.y = 10;
LK.gui.topLeft.addChild(hpTxt);
var resourceTxt = new Text2('Res: 0', {
	size: 70,
	fill: 0xFFD600
});
resourceTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(resourceTxt);
// Initialize player and squad
rhea = new Rhea();
rhea.x = 400;
rhea.y = 2732 / 2;
game.addChild(rhea);
medic = new Medic();
medic.x = rhea.x - 120;
medic.y = rhea.y + 120;
game.addChild(medic);
sniper = new Sniper();
sniper.x = rhea.x - 120;
sniper.y = rhea.y - 120;
game.addChild(sniper);
squad = [rhea, medic, sniper];
// Helper: spawn enemy
function spawnEnemy() {
	var type = LK.ticks % 300 === 0 ? 'tank' : 'drone';
	var enemy;
	if (type === 'drone') {
		enemy = new Drone();
		enemy.x = 2048 + 60;
		enemy.y = 300 + Math.floor(Math.random() * (2732 - 600));
	} else {
		enemy = new Tank();
		enemy.x = 2048 + 120;
		enemy.y = 400 + Math.floor(Math.random() * (2732 - 800));
	}
	enemies.push(enemy);
	game.addChild(enemy);
}
// Helper: spawn powerup
function spawnPowerup() {
	var type = Math.random() < 0.5 ? 'health' : 'ammo';
	var powerup;
	if (type === 'health') {
		powerup = new PowerupHealth();
	} else {
		powerup = new PowerupAmmo();
	}
	powerup.x = 2048 + 60;
	powerup.y = 300 + Math.floor(Math.random() * (2732 - 600));
	powerups.push(powerup);
	game.addChild(powerup);
}
// Helper: fire player bullet
function firePlayerBullet(from) {
	var bullet = new PlayerBullet();
	bullet.x = from.x + 70;
	bullet.y = from.y;
	// Stronger sniper: sniper bullets do more damage
	if (from.role === 'sniper') {
		bullet.damage = 6;
	} else {
		bullet.damage = 3;
	}
	playerBullets.push(bullet);
	game.addChild(bullet);
	LK.getSound('shoot_player').play();
}
// Helper: fire enemy bullet
function fireEnemyBullet(from) {
	var bullet = new EnemyBullet();
	bullet.x = from.x - 70;
	bullet.y = from.y;
	enemyBullets.push(bullet);
	game.addChild(bullet);
	LK.getSound('shoot_enemy').play();
}
// Helper: show explosion
function showExplosion(x, y) {
	var exp = new Explosion();
	exp.x = x;
	exp.y = y;
	explosions.push(exp);
	game.addChild(exp);
	LK.getSound('explosion').play();
}
// Helper: update UI
function updateUI() {
	scoreTxt.setText(score);
	hpTxt.setText('HP: ' + rhea.hp);
	resourceTxt.setText('Res: ' + resources);
}
// Handle dragging Rhea (player)
function handleMove(x, y, obj) {
	if (dragNode) {
		// Clamp to game area
		var minY = 120,
			maxY = 2732 - 120;
		dragNode.y = Math.max(minY, Math.min(maxY, y));
		lastTouchX = x;
		lastTouchY = y;
	}
}
game.move = handleMove;
game.down = function (x, y, obj) {
	// Only allow dragging Rhea
	if (!gameOver && !youWin) {
		if (Math.abs(x - rhea.x) < 120 && Math.abs(y - rhea.y) < 120) {
			dragNode = rhea;
			handleMove(x, y, obj);
		}
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};
// Main game update loop
game.update = function () {
	if (gameOver || youWin) return;
	// Player auto-fire
	if (rhea.shootCooldown > 0) rhea.shootCooldown--;
	if (rhea.shootCooldown === 0) {
		firePlayerBullet(rhea);
		rhea.shootCooldown = 10;
	}
	// Sniper auto-fire (slower)
	if (sniper.shootCooldown > 0) sniper.shootCooldown--;
	if (sniper.shootCooldown === 0) {
		firePlayerBullet(sniper);
		sniper.shootCooldown = 30;
	}
	// Medic follows Rhea
	medic.x += (rhea.x - 120 - medic.x) * 0.15;
	medic.y += (rhea.y + 120 - medic.y) * 0.15;
	// Sniper follows Rhea
	sniper.x += (rhea.x - 120 - sniper.x) * 0.15;
	sniper.y += (rhea.y - 120 - sniper.y) * 0.15;
	// Spawn enemies
	if (LK.ticks % 120 === 0) {
		spawnEnemy();
	}
	// Spawn powerups
	if (LK.ticks % 180 === 0) {
		spawnPowerup();
	}
	// Update player bullets
	for (var i = playerBullets.length - 1; i >= 0; i--) {
		var b = playerBullets[i];
		b.update();
		// Remove if off screen
		if (b.x > 2048 + 60) {
			b.destroy();
			playerBullets.splice(i, 1);
			continue;
		}
		// Hit enemy
		for (var j = enemies.length - 1; j >= 0; j--) {
			var e = enemies[j];
			if (b.intersects(e)) {
				var dmg = typeof b.damage === "number" ? b.damage : 3;
				e.hp -= dmg;
				showExplosion(b.x, b.y);
				b.destroy();
				playerBullets.splice(i, 1);
				if (e.hp <= 0) {
					showExplosion(e.x, e.y);
					score += e instanceof Tank ? 10 : 2;
					resources += e instanceof Tank ? 5 : 1;
					e.destroy();
					enemies.splice(j, 1);
				}
				updateUI();
				break;
			}
		}
	}
	// Update enemy bullets
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		var b = enemyBullets[i];
		b.update();
		if (b.x < -60) {
			b.destroy();
			enemyBullets.splice(i, 1);
			continue;
		}
		// Hit squad
		for (var j = 0; j < squad.length; j++) {
			var s = squad[j];
			if (b.intersects(s)) {
				s.hp--;
				showExplosion(b.x, b.y);
				b.destroy();
				enemyBullets.splice(i, 1);
				if (s.hp <= 0) {
					showExplosion(s.x, s.y);
					if (s === rhea) {
						// Game over
						gameOver = true;
						LK.effects.flashScreen(0xff0000, 1000);
						LK.showGameOver();
						return;
					} else {
						s.destroy();
						squad.splice(j, 1);
					}
				}
				updateUI();
				break;
			}
		}
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var e = enemies[i];
		e.update();
		// Remove if off screen
		if (e.x < -200) {
			e.destroy();
			enemies.splice(i, 1);
			continue;
		}
		// Enemy fire
		if (e.shootCooldown > 0) e.shootCooldown--;
		if (e.shootCooldown === 0) {
			// Only fire if on screen
			if (e.x < 2048 && e.x > 0) {
				fireEnemyBullet(e);
				e.shootCooldown = e instanceof Tank ? 30 : 60;
			}
		}
		// Collide with player
		if (e.intersects(rhea)) {
			rhea.hp -= 2;
			showExplosion(e.x, e.y);
			e.destroy();
			enemies.splice(i, 1);
			if (rhea.hp <= 0) {
				gameOver = true;
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
				return;
			}
			updateUI();
		}
	}
	// Update powerups
	for (var i = powerups.length - 1; i >= 0; i--) {
		var p = powerups[i];
		p.update();
		if (p.x < -60) {
			p.destroy();
			powerups.splice(i, 1);
			continue;
		}
		// Pickup by player
		if (p.intersects(rhea)) {
			if (p instanceof PowerupHealth) {
				rhea.hp = Math.min(rhea.hp + 2, 7);
			} else if (p instanceof PowerupAmmo) {
				// For MVP, just increase resources
				resources += 2;
			}
			LK.getSound('pickup').play();
			p.destroy();
			powerups.splice(i, 1);
			updateUI();
		}
	}
	// Win condition: score threshold
	if (score >= 50) {
		youWin = true;
		LK.effects.flashScreen(0x00ff00, 1000);
		// Show 'You are a Real Gamer' as a gesture
		var gamerTxt = new Text2('You are a Real Gamer', {
			size: 140,
			fill: 0xFFD700,
			font: "Impact, 'Arial Black', Tahoma"
		});
		gamerTxt.anchor.set(0.5, 0.5);
		gamerTxt.x = 2048 / 2;
		gamerTxt.y = 2732 / 2;
		game.addChild(gamerTxt);
		LK.showYouWin();
		return;
	}
};
// Initial UI update
updateUI();

===================================================================
--- original.js
+++ change.js
@@ -476,8 +476,18 @@
 	// Win condition: score threshold
 	if (score >= 50) {
 		youWin = true;
 		LK.effects.flashScreen(0x00ff00, 1000);
+		// Show 'You are a Real Gamer' as a gesture
+		var gamerTxt = new Text2('You are a Real Gamer', {
+			size: 140,
+			fill: 0xFFD700,
+			font: "Impact, 'Arial Black', Tahoma"
+		});
+		gamerTxt.anchor.set(0.5, 0.5);
+		gamerTxt.x = 2048 / 2;
+		gamerTxt.y = 2732 / 2;
+		game.addChild(gamerTxt);
 		LK.showYouWin();
 		return;
 	}
 };