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

/**** 
* Classes
****/ 
var AmmoBox = Container.expand(function () {
	var self = Container.call(this);
	var ammoGraphics = self.attachAsset('ammoBox', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.ammoAmount = 50;
	self.spawnTime = LK.ticks;
	self.lifespan = 600; // 10 seconds at 60fps
	self.update = function () {
		self.rotation += 0.02;
	};
	return self;
});
var AmmoPowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('ammoPowerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.ammoAmount = 100;
	self.spawnTime = LK.ticks;
	self.lifespan = 600; // 10 seconds at 60fps
	self.update = function () {
		self.rotation += 0.02;
		// Add pulsing effect
		self.scaleX = 1 + Math.sin(LK.ticks * 0.1) * 0.1;
		self.scaleY = 1 + Math.sin(LK.ticks * 0.1) * 0.1;
	};
	return self;
});
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 20;
	self.damage = 10;
	self.vx = 0;
	self.vy = 0;
	self.piercing = false;
	self.killHit = false;
	self.maxDistance = 800;
	self.travelDistance = 0;
	self.update = function () {
		var moveX = self.vx;
		var moveY = self.vy;
		var distance = Math.sqrt(moveX * moveX + moveY * moveY);
		self.travelDistance += distance;
		self.x += moveX;
		self.y += moveY;
	};
	return self;
});
var HealthPack = Container.expand(function () {
	var self = Container.call(this);
	var healthGraphics = self.attachAsset('healthPack', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.healAmount = 30;
	self.spawnTime = LK.ticks;
	self.lifespan = 600; // 10 seconds at 60fps
	self.update = function () {
		self.rotation += 0.02;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 100;
	self.maxHealth = 100;
	self.fireRate = 10;
	self.fireCooldown = 0;
	self.moveSpeed = 5;
	self.invulnerable = 0;
	self.takeDamage = function (amount) {
		if (self.invulnerable > 0) return;
		self.health -= amount;
		self.invulnerable = 60;
		LK.getSound('playerHurt').play();
		LK.effects.flashObject(self, 0xFF0000, 500);
		if (self.health <= 0) {
			self.health = 0;
			return true;
		}
		return false;
	};
	self.heal = function (amount) {
		self.health = Math.min(self.health + amount, self.maxHealth);
	};
	self.update = function () {
		if (self.fireCooldown > 0) self.fireCooldown--;
		if (self.invulnerable > 0) {
			self.invulnerable--;
			self.alpha = Math.floor(self.invulnerable / 5) % 2 ? 0.5 : 1;
		}
	};
	return self;
});
var TripleShot = Container.expand(function () {
	var self = Container.call(this);
	var tripleShotGraphics = self.attachAsset('tripleShot', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.spawnTime = LK.ticks;
	self.lifespan = 600; // 10 seconds at 60fps
	self.update = function () {
		self.rotation += 0.02;
		// Add pulsing effect
		self.scaleX = 1 + Math.sin(LK.ticks * 0.1) * 0.1;
		self.scaleY = 1 + Math.sin(LK.ticks * 0.1) * 0.1;
	};
	return self;
});
var Zoin = Container.expand(function () {
	var self = Container.call(this);
	var zoinGraphics = self.attachAsset('zoin', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.spawnTime = LK.ticks;
	self.lifespan = 600; // 10 seconds at 60fps
	self.update = function () {
		self.rotation += 0.05;
		// Add floating effect
		self.y += Math.sin(LK.ticks * 0.1) * 0.3;
	};
	return self;
});
var Zombie = Container.expand(function () {
	var self = Container.call(this);
	var zombieGraphics = self.attachAsset('zombie', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var baseSpeed = 1.5;
	var variation = baseSpeed * 0.25; // 25% variation
	self.speed = baseSpeed + (Math.random() - 0.5) * 2 * variation; // Random between baseSpeed ± 25%
	self.health = 20;
	self.maxHealth = 20; // Store base health for wave scaling
	self.damage = 10;
	self.baseDamage = 10; // Store base damage for wave scaling
	self.attackCooldown = 0;
	self.isDead = false;
	self.takeDamage = function (amount) {
		if (self.isDead) return false;
		self.health -= amount;
		if (self.health <= 0) {
			self.isDead = true;
			LK.getSound('zombieHit').play();
			return true;
		}
		zombieGraphics.tint = 0xFF0000;
		tween(zombieGraphics, {
			tint: 0xFFFFFF
		}, {
			duration: 200,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				zombieGraphics.tint = 0xFFFFFF;
			}
		});
		return false;
	};
	self.update = function () {
		if (self.isDead) return;
		if (self.attackCooldown > 0) self.attackCooldown--;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x1a1a1a
});

/**** 
* Game Code
****/ 
var player;
var zombies = [];
var bullets = [];
var pickups = [];
var wave = 1;
var zombiesPerWave = 5;
var zombiesSpawned = 0;
var zombiesKilled = 0;
var spawnTimer = 0;
var scoreMultiplier = 1;
var killStreak = 0;
var powerAmmo = 0;
var lastPowerUpSpawn = 0;
var killsSinceLastPowerUp = 0;
var powerUpList = ['ammoPowerUp', 'healthPack', 'ammoBox', 'tripleShot'];
var lastPowerUpType = null;
var hasTripleShot = false;
var tripleShotLevel = 0;
var maxTripleShotLevel = 5;
var zoins = storage.zoins || 0; // Persistent coin count
var moveControl;
var moveStick;
var isDraggingMove = false;
// UI Elements
var waveText = new Text2('Wave: 1', {
	size: 80,
	fill: 0xFFFFFF
});
waveText.anchor.set(0.5, 0);
LK.gui.top.addChild(waveText);
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: 0xFFFFFF
});
scoreText.anchor.set(1, 0);
scoreText.x = -20;
LK.gui.topRight.addChild(scoreText);
// Health bar background
var healthBarBg = LK.getAsset('ammoBox', {
	width: 1125,
	height: 84,
	anchorX: 0,
	anchorY: 0
});
healthBarBg.tint = 0x444444;
healthBarBg.x = 120;
healthBarBg.y = 20;
LK.gui.topLeft.addChild(healthBarBg);
// Health bar fill
var healthBarFill = LK.getAsset('ammoBox', {
	width: 1125,
	height: 84,
	anchorX: 0,
	anchorY: 0
});
healthBarFill.tint = 0xFF0000;
healthBarFill.x = 120;
healthBarFill.y = 20;
LK.gui.topLeft.addChild(healthBarFill);
var powerAmmoText = new Text2('Power Ammo: 0', {
	size: 45,
	fill: 0xFFD700
});
powerAmmoText.anchor.set(1, 1);
powerAmmoText.x = -20;
powerAmmoText.y = -80;
LK.gui.bottomRight.addChild(powerAmmoText);
var zoinText = new Text2('Zoins: ' + zoins, {
	size: 45,
	fill: 0xFFD700
});
zoinText.anchor.set(1, 1);
zoinText.x = -20;
zoinText.y = -140;
LK.gui.bottomRight.addChild(zoinText);
// Initialize player
player = game.addChild(new Player());
player.health = 1;
player.maxHealth = 1;
player.x = 1024;
player.y = 1366;
// Initialize controls
moveControl = LK.getAsset('moveControl', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0
});
moveControl.x = 300;
moveControl.y = 2432;
game.addChild(moveControl);
moveStick = LK.getAsset('moveControl', {
	anchorX: 0.5,
	anchorY: 0.5,
	scaleX: 0.3,
	scaleY: 0.3,
	alpha: 0
});
moveStick.x = moveControl.x;
moveStick.y = moveControl.y;
game.addChild(moveStick);
// Aim control removed - using automatic targeting
// Helper functions
function resetGame() {
	// Reset wave and zombies
	wave = 1;
	zombiesPerWave = 5;
	zombiesSpawned = 0;
	zombiesKilled = 0;
	spawnTimer = 0;
	// Reset score and multipliers
	LK.setScore(0);
	scoreMultiplier = 1;
	killStreak = 0;
	killsSinceLastPowerUp = 0;
	lastPowerUpSpawn = 0;
	lastPowerUpType = null;
	// Reset powerups
	powerAmmo = 0;
	hasTripleShot = false;
	tripleShotLevel = 0;
	// Reset player state
	player.health = player.maxHealth;
	player.fireCooldown = 0;
	player.invulnerable = 0;
	player.alpha = 1;
	// Clear all game objects
	for (var i = zombies.length - 1; i >= 0; i--) {
		zombies[i].destroy();
	}
	zombies = [];
	for (var i = bullets.length - 1; i >= 0; i--) {
		bullets[i].destroy();
	}
	bullets = [];
	for (var i = pickups.length - 1; i >= 0; i--) {
		pickups[i].destroy();
	}
	pickups = [];
	// Update UI
	waveText.setText('Wave: ' + wave);
	scoreText.setText('Score: ' + LK.getScore());
	// Update health bar
	var healthPercent = player.health / player.maxHealth;
	healthBarFill.width = 1125 * healthPercent;
	powerAmmoText.setText('Power Ammo: ' + powerAmmo);
	powerAmmoText.visible = false;
	// Reset player position
	player.x = 1024;
	player.y = 1366;
}
function spawnZombie() {
	var zombie = new Zombie();
	var side = Math.floor(Math.random() * 4);
	switch (side) {
		case 0:
			// Top
			zombie.x = Math.random() * 2048;
			zombie.y = -50;
			break;
		case 1:
			// Right
			zombie.x = 2098;
			zombie.y = Math.random() * 2732;
			break;
		case 2:
			// Bottom
			zombie.x = Math.random() * 2048;
			zombie.y = 2782;
			break;
		case 3:
			// Left
			zombie.x = -50;
			zombie.y = Math.random() * 2732;
			break;
	}
	zombie.speed *= 1 + wave * 0.1;
	zombie.health += wave * 5;
	zombie.damage += Math.floor(wave * 2); // Increase damage by 2 per wave
	zombie.scaleX = 0;
	zombie.scaleY = 0;
	zombie.alpha = 0;
	zombies.push(zombie);
	game.addChild(zombie);
	zombiesSpawned++;
	// Animate zombie spawn
	tween(zombie, {
		scaleX: 1,
		scaleY: 1,
		alpha: 1
	}, {
		duration: 300,
		easing: tween.easeOut
	});
}
function spawnPickup(x, y) {
	var shouldSpawn = false;
	var pickup;
	var powerUpType;
	// Force powerup spawn if 50+ kills without powerup
	if (killsSinceLastPowerUp >= 50) {
		shouldSpawn = true;
		// Create available powerup list excluding last spawned type
		var availablePowerUps = powerUpList.slice();
		if (lastPowerUpType !== null) {
			var index = availablePowerUps.indexOf(lastPowerUpType);
			if (index > -1) {
				availablePowerUps.splice(index, 1);
			}
		}
		powerUpType = availablePowerUps[Math.floor(Math.random() * availablePowerUps.length)];
		if (powerUpType === 'ammoPowerUp') {
			pickup = new AmmoPowerUp();
		} else if (powerUpType === 'ammoBox') {
			pickup = new AmmoBox();
		} else if (powerUpType === 'tripleShot') {
			pickup = new TripleShot();
		} else {
			pickup = new HealthPack();
		}
		lastPowerUpType = powerUpType;
		killsSinceLastPowerUp = 0;
		if (pickup instanceof AmmoPowerUp) {
			lastPowerUpSpawn = LK.ticks;
		}
	} else if (Math.random() < 0.3) {
		shouldSpawn = true;
		var rand = Math.random();
		if (rand < 0.1 && LK.ticks - lastPowerUpSpawn > 1800) {
			pickup = new AmmoPowerUp();
			powerUpType = 'ammoPowerUp';
			lastPowerUpSpawn = LK.ticks;
			killsSinceLastPowerUp = 0;
		} else if (rand < 0.15 && LK.ticks - lastPowerUpSpawn > 1800) {
			pickup = new TripleShot();
			powerUpType = 'tripleShot';
			lastPowerUpSpawn = LK.ticks;
			killsSinceLastPowerUp = 0;
		} else if (rand < 0.6) {
			pickup = new AmmoBox();
			powerUpType = 'ammoBox';
		} else {
			pickup = new HealthPack();
			powerUpType = 'healthPack';
		}
		lastPowerUpType = powerUpType;
	}
	if (shouldSpawn) {
		pickup.x = x;
		pickup.y = y;
		pickup.scaleX = 0;
		pickup.scaleY = 0;
		pickups.push(pickup);
		game.addChild(pickup);
		// Animate pickup spawn with bounce effect
		tween(pickup, {
			scaleX: 1,
			scaleY: 1
		}, {
			duration: 400,
			easing: tween.elasticOut
		});
	}
}
function fireBullet() {
	var fireRate = powerAmmo > 0 ? 80 : 10; // Much slower fire rate for power ammo (75% reduction)
	if (player.fireCooldown > 0) return;
	// Find closest zombie in range
	var closestZombie = null;
	var closestDistance = 500; // Maximum firing range
	for (var i = 0; i < zombies.length; i++) {
		var zombie = zombies[i];
		if (zombie.isDead) continue;
		var dx = zombie.x - player.x;
		var dy = zombie.y - player.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance < closestDistance) {
			closestDistance = distance;
			closestZombie = zombie;
		}
	}
	// Only fire if there's a zombie in range
	if (!closestZombie) return;
	var dx = closestZombie.x - player.x;
	var dy = closestZombie.y - player.y;
	var angle = Math.atan2(dy, dx);
	player.rotation = angle; // Rotate player to face target
	// Create bullets based on triple shot level
	var bulletCount = hasTripleShot ? 1 + tripleShotLevel * 2 : 1;
	var angleOffsets = [0]; // Always include center bullet
	if (hasTripleShot) {
		// Add bullets in pairs at increasing angles
		for (var level = 1; level <= tripleShotLevel; level++) {
			var angleOffset = level * 10 * Math.PI / 180;
			angleOffsets.push(-angleOffset); // Left bullet
			angleOffsets.push(angleOffset); // Right bullet
		}
	}
	for (var b = 0; b < bulletCount; b++) {
		var bullet = new Bullet();
		bullet.x = player.x;
		bullet.y = player.y;
		var bulletAngle = angle + angleOffsets[b];
		bullet.vx = Math.cos(bulletAngle) * bullet.speed;
		bullet.vy = Math.sin(bulletAngle) * bullet.speed;
		bullet.rotation = bulletAngle;
		if (powerAmmo > 0) {
			bullet.piercing = true;
			bullet.killHit = true;
			bullet.maxDistance = 1600; // 2x distance
			bullet.damage = 1000; // 1 hit kill
			if (b === 0) powerAmmo--; // Only consume one power ammo per shot
			// Visual effect for power bullet
			tween(bullet, {
				scaleX: 1.5,
				scaleY: 1.5
			}, {
				duration: 100
			});
			bullet.tint = 0xFFD700;
		} else {
			bullet.maxDistance = 800;
		}
		bullets.push(bullet);
		game.addChild(bullet);
	}
	player.fireCooldown = fireRate;
	LK.getSound('shoot').play();
}
// Event handlers
game.down = function (x, y, obj) {
	isDraggingMove = true;
	// Move moveControl to click position
	moveControl.x = x;
	moveControl.y = y;
	// Move moveStick to the same position (center of control)
	moveStick.x = x;
	moveStick.y = y;
	// Show control stick with smooth animation
	tween(moveControl, {
		alpha: 0.3
	}, {
		duration: 200,
		easing: tween.easeOut
	});
	tween(moveStick, {
		alpha: 0.6
	}, {
		duration: 200,
		easing: tween.easeOut
	});
};
game.move = function (x, y, obj) {
	if (isDraggingMove) {
		moveStick.x = Math.max(moveControl.x - 150, Math.min(moveControl.x + 150, x));
		moveStick.y = Math.max(moveControl.y - 150, Math.min(moveControl.y + 150, y));
	}
};
game.up = function (x, y, obj) {
	if (isDraggingMove) {
		isDraggingMove = false;
		moveStick.x = moveControl.x;
		moveStick.y = moveControl.y;
		// Hide control stick with smooth animation
		tween(moveControl, {
			alpha: 0
		}, {
			duration: 150,
			easing: tween.easeIn
		});
		tween(moveStick, {
			alpha: 0
		}, {
			duration: 150,
			easing: tween.easeIn
		});
	}
};
// Main game loop
game.update = function () {
	// Player movement
	if (isDraggingMove) {
		var moveX = (moveStick.x - moveControl.x) / 150;
		var moveY = (moveStick.y - moveControl.y) / 150;
		player.x += moveX * player.moveSpeed;
		player.y += moveY * player.moveSpeed;
		player.x = Math.max(40, Math.min(2008, player.x));
		player.y = Math.max(40, Math.min(2692, player.y));
	}
	// Auto-fire (fireBullet now handles range checking internally)
	fireBullet();
	// Spawn zombies
	if (zombiesSpawned < zombiesPerWave) {
		spawnTimer++;
		if (spawnTimer > 60) {
			spawnZombie();
			spawnTimer = 0;
		}
	} else if (zombies.length === 0) {
		// Next wave
		wave++;
		zombiesPerWave = 5 + wave * 2;
		zombiesSpawned = 0;
		zombiesKilled = 0;
		waveText.setText('Wave: ' + wave);
	}
	// Update zombies
	for (var i = zombies.length - 1; i >= 0; i--) {
		var zombie = zombies[i];
		// Skip dead zombies
		if (zombie.isDead) continue;
		// Move towards player
		var dx = player.x - zombie.x;
		var dy = player.y - zombie.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 0) {
			zombie.x += dx / dist * zombie.speed;
			zombie.y += dy / dist * zombie.speed;
			zombie.rotation = Math.atan2(dy, dx);
		}
		// Check collision with player
		if (zombie.intersects(player) && zombie.attackCooldown === 0) {
			if (player.takeDamage(zombie.damage)) {
				resetGame();
				LK.showGameOver();
			}
			zombie.attackCooldown = 60;
			killStreak = 0;
			scoreMultiplier = 1;
		}
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		// Check if bullet is off screen or traveled max distance
		if (bullet.x < -50 || bullet.x > 2098 || bullet.y < -50 || bullet.y > 2782 || bullet.travelDistance > bullet.maxDistance) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check collision with zombies
		var bulletDestroyed = false;
		for (var j = zombies.length - 1; j >= 0; j--) {
			var zombie = zombies[j];
			if (zombie.isDead) continue;
			if (bullet.intersects(zombie)) {
				if (zombie.takeDamage(bullet.damage)) {
					// Zombie died - add death animation
					spawnPickup(zombie.x, zombie.y);
					// 10% chance to drop a Zoin
					if (Math.random() < 0.1) {
						var zoin = new Zoin();
						zoin.x = zombie.x;
						zoin.y = zombie.y;
						zoin.scaleX = 0;
						zoin.scaleY = 0;
						pickups.push(zoin);
						game.addChild(zoin);
						// Animate zoin spawn
						tween(zoin, {
							scaleX: 1,
							scaleY: 1
						}, {
							duration: 300,
							easing: tween.easeOut
						});
					}
					var zombieToRemove = zombie; // Capture zombie reference for closure
					var zombieIndex = j; // Capture index for closure
					tween(zombie, {
						scaleX: 0,
						scaleY: 0,
						alpha: 0,
						rotation: zombie.rotation + Math.PI
					}, {
						duration: 300,
						easing: tween.easeIn,
						onFinish: function onFinish() {
							zombieToRemove.destroy();
							// Remove from zombies array after animation
							var currentIndex = zombies.indexOf(zombieToRemove);
							if (currentIndex !== -1) {
								zombies.splice(currentIndex, 1);
							}
						}
					});
					zombiesKilled++;
					killStreak++;
					killsSinceLastPowerUp++;
					if (killStreak % 5 === 0) {
						scoreMultiplier = Math.min(scoreMultiplier + 1, 5);
					}
					LK.setScore(LK.getScore() + 10 * scoreMultiplier);
					scoreText.setText('Score: ' + LK.getScore());
				}
				if (!bullet.piercing) {
					bullet.destroy();
					bullets.splice(i, 1);
					bulletDestroyed = true;
					break;
				}
			}
		}
		if (bulletDestroyed) continue;
	}
	// Update pickups
	for (var i = pickups.length - 1; i >= 0; i--) {
		var pickup = pickups[i];
		// Check if pickup has expired (10 seconds) - auto pickup regardless of distance (except Zoins)
		var age = LK.ticks - pickup.spawnTime;
		if (age >= pickup.lifespan) {
			// Zoins cannot be auto-collected and must be picked up manually - skip auto destruction
			if (pickup instanceof Zoin) {
				continue;
			}
			// Auto pickup other items when expiring
			if (pickup instanceof HealthPack) {
				player.heal(pickup.healAmount);
			} else if (pickup instanceof AmmoPowerUp) {
				powerAmmo += pickup.ammoAmount;
				LK.effects.flashObject(player, 0xFFD700, 500);
			} else if (pickup instanceof TripleShot) {
				if (!hasTripleShot) {
					hasTripleShot = true;
					tripleShotLevel = 1;
				} else if (tripleShotLevel < maxTripleShotLevel) {
					tripleShotLevel++;
				}
				LK.effects.flashObject(player, 0x00FF00, 500);
			}
			LK.getSound('pickup').play();
			// Animate pickup collection
			tween(pickup, {
				scaleX: 2,
				scaleY: 2,
				alpha: 0
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					pickup.destroy();
				}
			});
			pickups.splice(i, 1);
			continue;
		}
		// Manual pickup when touching
		if (pickup.intersects(player)) {
			if (pickup instanceof HealthPack) {
				player.heal(pickup.healAmount);
			} else if (pickup instanceof AmmoPowerUp) {
				powerAmmo += pickup.ammoAmount;
				LK.effects.flashObject(player, 0xFFD700, 500);
			} else if (pickup instanceof TripleShot) {
				if (!hasTripleShot) {
					hasTripleShot = true;
					tripleShotLevel = 1;
				} else if (tripleShotLevel < maxTripleShotLevel) {
					tripleShotLevel++;
				}
				LK.effects.flashObject(player, 0x00FF00, 500);
			} else if (pickup instanceof Zoin) {
				zoins++;
				storage.zoins = zoins; // Persist zoin count
				zoinText.setText('Zoins: ' + zoins);
				LK.effects.flashObject(player, 0xFFD700, 300);
			}
			LK.getSound('pickup').play();
			// Animate pickup collection
			tween(pickup, {
				scaleX: 2,
				scaleY: 2,
				alpha: 0
			}, {
				duration: 200,
				easing: tween.easeOut,
				onFinish: function onFinish() {
					pickup.destroy();
				}
			});
			pickups.splice(i, 1);
		}
	}
	// Update UI
	// Update health bar
	var healthPercent = player.health / player.maxHealth;
	healthBarFill.width = 1125 * healthPercent;
	powerAmmoText.setText('Power Ammo: ' + powerAmmo);
	// Hide/show power ammo counter based on availability
	powerAmmoText.visible = powerAmmo > 0;
	// Despawn distant pickups
	for (var i = pickups.length - 1; i >= 0; i--) {
		var pickup = pickups[i];
		var dx = player.x - pickup.x;
		var dy = player.y - pickup.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 2000) {
			pickup.destroy();
			pickups.splice(i, 1);
		}
	}
};
// Start music
LK.playMusic('battleMusic');

===================================================================
--- original.js
+++ change.js
@@ -233,10 +233,10 @@
 scoreText.x = -20;
 LK.gui.topRight.addChild(scoreText);
 // Health bar background
 var healthBarBg = LK.getAsset('ammoBox', {
-	width: 1000,
-	height: 75,
+	width: 1125,
+	height: 84,
 	anchorX: 0,
 	anchorY: 0
 });
 healthBarBg.tint = 0x444444;
@@ -244,10 +244,10 @@
 healthBarBg.y = 20;
 LK.gui.topLeft.addChild(healthBarBg);
 // Health bar fill
 var healthBarFill = LK.getAsset('ammoBox', {
-	width: 1000,
-	height: 75,
+	width: 1125,
+	height: 84,
 	anchorX: 0,
 	anchorY: 0
 });
 healthBarFill.tint = 0xFF0000;
@@ -337,9 +337,9 @@
 	waveText.setText('Wave: ' + wave);
 	scoreText.setText('Score: ' + LK.getScore());
 	// Update health bar
 	var healthPercent = player.health / player.maxHealth;
-	healthBarFill.width = 1000 * healthPercent;
+	healthBarFill.width = 1125 * healthPercent;
 	powerAmmoText.setText('Power Ammo: ' + powerAmmo);
 	powerAmmoText.visible = false;
 	// Reset player position
 	player.x = 1024;
@@ -779,9 +779,9 @@
 	}
 	// Update UI
 	// Update health bar
 	var healthPercent = player.health / player.maxHealth;
-	healthBarFill.width = 1000 * healthPercent;
+	healthBarFill.width = 1125 * healthPercent;
 	powerAmmoText.setText('Power Ammo: ' + powerAmmo);
 	// Hide/show power ammo counter based on availability
 	powerAmmoText.visible = powerAmmo > 0;
 	// Despawn distant pickups