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

/**** 
* Classes
****/ 
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.velocityX = 0;
	self.velocityY = 0;
	self.lifeTime = 0;
	self.maxLifeTime = 180; // 3 seconds at 60fps
	self.update = function () {
		self.x += self.velocityX;
		self.y += self.velocityY;
		self.lifeTime++;
		// Remove if off screen or too old
		if (self.x < -50 || self.x > 2098 || self.y < -50 || self.y > 2782 || self.lifeTime > self.maxLifeTime) {
			self.destroy();
			for (var i = bullets.length - 1; i >= 0; i--) {
				if (bullets[i] === self) {
					bullets.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});
var Joystick = Container.expand(function () {
	var self = Container.call(this);
	var base = self.attachAsset('joystickBase', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var knob = self.attachAsset('joystickKnob', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.isActive = false;
	self.startX = 0;
	self.startY = 0;
	self.deltaX = 0;
	self.deltaY = 0;
	self.distance = 0;
	self.angle = 0;
	self.maxDistance = 50;
	self.activate = function (x, y) {
		self.isActive = true;
		self.startX = x;
		self.startY = y;
		self.x = x;
		self.y = y;
		self.visible = true;
	};
	self.updatePosition = function (x, y) {
		if (self.isActive) {
			self.deltaX = x - self.startX;
			self.deltaY = y - self.startY;
			self.distance = Math.sqrt(self.deltaX * self.deltaX + self.deltaY * self.deltaY);
			self.angle = Math.atan2(self.deltaY, self.deltaX);
			if (self.distance > self.maxDistance) {
				self.deltaX = Math.cos(self.angle) * self.maxDistance;
				self.deltaY = Math.sin(self.angle) * self.maxDistance;
				self.distance = self.maxDistance;
			}
			knob.x = self.deltaX;
			knob.y = self.deltaY;
		}
	};
	self.deactivate = function () {
		self.isActive = false;
		self.visible = false;
		self.deltaX = 0;
		self.deltaY = 0;
		self.distance = 0;
		knob.x = 0;
		knob.y = 0;
	};
	self.getNormalizedInput = function () {
		if (self.distance === 0) {
			return {
				x: 0,
				y: 0
			};
		}
		return {
			x: self.deltaX / self.maxDistance,
			y: self.deltaY / self.maxDistance
		};
	};
	self.visible = false;
	base.alpha = 0.5;
	knob.alpha = 0.7;
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	var gunGraphics = self.attachAsset('gun', {
		anchorX: 0,
		anchorY: 0.5,
		x: 0,
		y: 0
	});
	self.health = 100;
	self.maxHealth = 100;
	self.ammo = 30;
	self.maxAmmo = 100;
	self.shootCooldown = 0;
	self.invulnerabilityTime = 0;
	self.gunRotation = 0;
	self.updateGunRotation = function (angle) {
		self.gunRotation = angle;
		gunGraphics.rotation = angle;
	};
	self.takeDamage = function (damage) {
		if (self.invulnerabilityTime <= 0) {
			self.health -= damage;
			self.invulnerabilityTime = 60; // 1 second at 60fps
			LK.getSound('playerHit').play();
			LK.effects.flashObject(self, 0xFF0000, 500);
			if (self.health <= 0) {
				LK.showGameOver();
			}
		}
	};
	self.update = function () {
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		}
		if (self.invulnerabilityTime > 0) {
			self.invulnerabilityTime--;
		}
	};
	return self;
});
var PowerUp = Container.expand(function (type) {
	var self = Container.call(this);
	self.type = type;
	var powerUpGraphics = self.attachAsset(type === 'health' ? 'healthPack' : 'ammoPack', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lifeTime = 0;
	self.maxLifeTime = 600; // 10 seconds at 60fps
	self.update = function () {
		self.lifeTime++;
		// Pulse effect
		var pulse = 1 + Math.sin(self.lifeTime * 0.1) * 0.1;
		powerUpGraphics.scaleX = pulse;
		powerUpGraphics.scaleY = pulse;
		// Check collision with player
		if (self.intersects(player)) {
			if (self.type === 'health') {
				player.health = Math.min(player.maxHealth, player.health + 25);
			} else {
				player.ammo = Math.min(player.maxAmmo, player.ammo + 15);
			}
			LK.getSound('pickup').play();
			self.destroy();
			for (var i = powerUps.length - 1; i >= 0; i--) {
				if (powerUps[i] === self) {
					powerUps.splice(i, 1);
					break;
				}
			}
		}
		// Remove if too old
		if (self.lifeTime > self.maxLifeTime) {
			self.destroy();
			for (var i = powerUps.length - 1; i >= 0; i--) {
				if (powerUps[i] === self) {
					powerUps.splice(i, 1);
					break;
				}
			}
		}
	};
	return self;
});
var Zombie = Container.expand(function () {
	var self = Container.call(this);
	var zombieGraphics = self.attachAsset('zombie', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = (1 + Math.random() * 0.5) * 2; // Double the speed
	self.health = 1;
	self.dodgeCooldown = 0;
	self.dodgeVelocityX = 0;
	self.dodgeVelocityY = 0;
	self.die = function () {
		// Store zombie position for power-up drop
		var zombieX = self.x;
		var zombieY = self.y;
		// Red disintegration effect
		tween(self, {
			tint: 0xFF0000,
			alpha: 0,
			scaleX: 0.3,
			scaleY: 0.3
		}, {
			duration: 300,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				self.destroy();
			}
		});
		// Chance to drop power-up
		if (Math.random() < 0.15) {
			// 15% chance
			var powerUpType = Math.random() < 0.6 ? 'health' : 'ammo';
			var powerUp = new PowerUp(powerUpType);
			powerUp.x = zombieX;
			powerUp.y = zombieY;
			powerUps.push(powerUp);
			game.addChild(powerUp);
		}
	};
	self.update = function () {
		// Reduce dodge cooldown
		if (self.dodgeCooldown > 0) {
			self.dodgeCooldown--;
		}
		// Check for nearby bullets to dodge
		var shouldDodge = false;
		var dodgeX = 0;
		var dodgeY = 0;
		if (self.dodgeCooldown <= 0) {
			for (var i = 0; i < bullets.length; i++) {
				var bullet = bullets[i];
				var bulletDx = bullet.x - self.x;
				var bulletDy = bullet.y - self.y;
				var bulletDistance = Math.sqrt(bulletDx * bulletDx + bulletDy * bulletDy);
				// Check if bullet is close and heading towards zombie
				if (bulletDistance < 120) {
					var bulletDirection = Math.atan2(bullet.velocityY, bullet.velocityX);
					var zombieDirection = Math.atan2(bulletDy, bulletDx);
					var angleDiff = Math.abs(bulletDirection - zombieDirection);
					// If bullet is roughly heading towards zombie
					if (angleDiff < 1.5 || angleDiff > Math.PI * 2 - 1.5) {
						shouldDodge = true;
						// Dodge perpendicular to bullet direction
						dodgeX = -bullet.velocityY;
						dodgeY = bullet.velocityX;
						var dodgeLength = Math.sqrt(dodgeX * dodgeX + dodgeY * dodgeY);
						if (dodgeLength > 0) {
							dodgeX = dodgeX / dodgeLength * self.speed * 1.5;
							dodgeY = dodgeY / dodgeLength * self.speed * 1.5;
						}
						break;
					}
				}
			}
		}
		if (shouldDodge) {
			self.dodgeVelocityX = dodgeX;
			self.dodgeVelocityY = dodgeY;
			self.dodgeCooldown = 30; // 0.5 second dodge cooldown
		}
		// Apply dodge movement if active
		if (self.dodgeCooldown > 20) {
			self.x += self.dodgeVelocityX;
			self.y += self.dodgeVelocityY;
		} else {
			// Normal movement towards player
			var dx = player.x - self.x;
			var dy = player.y - self.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 0) {
				self.x += dx / distance * self.speed;
				self.y += dy / distance * self.speed;
			}
		}
		// Check collision with player
		if (self.intersects(player)) {
			player.takeDamage(10);
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x2F4F2F
});

/**** 
* Game Code
****/ 
// Utility function to remove items from arrays
function removeFromArray(array, item) {
	for (var i = array.length - 1; i >= 0; i--) {
		if (array[i] === item) {
			array.splice(i, 1);
			break;
		}
	}
}
// Game variables
var player;
var zombies = [];
var bullets = [];
var powerUps = [];
var leftJoystick;
var rightJoystick;
var activeTouch = null;
var secondTouch = null;
var zombieSpawnTimer = 0;
var zombieSpawnRate = 120; // Start spawning every 2 seconds
var minSpawnRate = 30; // Minimum spawn rate (0.5 seconds)
var difficultyTimer = 0;
var score = 0;
// UI elements
var healthBar = LK.getAsset('healthPack', {
	anchorX: 0,
	anchorY: 0,
	scaleX: 10,
	scaleY: 1,
	x: 100,
	y: 50
});
var ammoText = new Text2('Ammo: 30', {
	size: 40,
	fill: 0xFFFFFF
});
ammoText.anchor.set(0, 0);
var scoreText = new Text2('Score: 0', {
	size: 50,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0.5, 0);
// Add UI to GUI
LK.gui.topLeft.addChild(healthBar);
LK.gui.topLeft.addChild(ammoText);
ammoText.x = 100;
ammoText.y = 100;
LK.gui.top.addChild(scoreText);
// Initialize player
player = game.addChild(new Player());
player.x = 1024;
player.y = 1366;
// Initialize joysticks
leftJoystick = game.addChild(new Joystick());
rightJoystick = game.addChild(new Joystick());
// Input handling
game.down = function (x, y, obj) {
	if (x < 1024) {
		// Left side - movement joystick
		if (!leftJoystick.isActive) {
			leftJoystick.activate(x, y);
			activeTouch = {
				x: x,
				y: y,
				side: 'left'
			};
		}
	} else {
		// Right side - shooting joystick
		if (!rightJoystick.isActive) {
			rightJoystick.activate(x, y);
			if (!activeTouch) {
				activeTouch = {
					x: x,
					y: y,
					side: 'right'
				};
			} else {
				secondTouch = {
					x: x,
					y: y,
					side: 'right'
				};
			}
		}
	}
};
game.move = function (x, y, obj) {
	if (activeTouch && activeTouch.side === 'left') {
		leftJoystick.updatePosition(x, y);
	} else if (activeTouch && activeTouch.side === 'right') {
		rightJoystick.updatePosition(x, y);
	}
	if (secondTouch && secondTouch.side === 'right') {
		rightJoystick.updatePosition(x, y);
	} else if (secondTouch && secondTouch.side === 'left') {
		leftJoystick.updatePosition(x, y);
	}
};
game.up = function (x, y, obj) {
	if (activeTouch && (activeTouch.side === 'left' && x < 1024 || activeTouch.side === 'right' && x >= 1024)) {
		if (activeTouch.side === 'left') {
			leftJoystick.deactivate();
		} else {
			rightJoystick.deactivate();
		}
		activeTouch = secondTouch;
		secondTouch = null;
	} else if (secondTouch && (secondTouch.side === 'left' && x < 1024 || secondTouch.side === 'right' && x >= 1024)) {
		if (secondTouch.side === 'left') {
			leftJoystick.deactivate();
		} else {
			rightJoystick.deactivate();
		}
		secondTouch = null;
	}
};
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;
	}
	zombies.push(zombie);
	game.addChild(zombie);
}
function fireBullet() {
	if (player.ammo > 0 && player.shootCooldown <= 0) {
		var bullet = new Bullet();
		bullet.x = player.x;
		bullet.y = player.y;
		var input = rightJoystick.getNormalizedInput();
		// Only fire if there's actual joystick input
		if (input.x !== 0 || input.y !== 0) {
			bullet.velocityX = input.x * bullet.speed;
			bullet.velocityY = input.y * bullet.speed;
			bullets.push(bullet);
			game.addChild(bullet);
			player.ammo--;
			player.shootCooldown = 15; // Quarter second cooldown
			LK.getSound('shoot').play();
		}
	}
}
;
game.update = function () {
	// Handle movement
	var moveInput = leftJoystick.getNormalizedInput();
	player.x += moveInput.x * 4;
	player.y += moveInput.y * 4;
	// Keep player in bounds
	player.x = Math.max(40, Math.min(2008, player.x));
	player.y = Math.max(40, Math.min(2692, player.y));
	// Handle shooting
	var shootInput = rightJoystick.getNormalizedInput();
	if (rightJoystick.distance > 0) {
		// Update gun rotation to point towards joystick direction
		var gunAngle = Math.atan2(shootInput.y, shootInput.x);
		player.updateGunRotation(gunAngle);
	}
	if (rightJoystick.distance > 30) {
		// Only shoot if joystick is pushed far enough
		fireBullet();
	}
	// Spawn zombies
	zombieSpawnTimer++;
	if (zombieSpawnTimer >= zombieSpawnRate) {
		spawnZombie();
		zombieSpawnTimer = 0;
	}
	// Increase difficulty over time
	difficultyTimer++;
	if (difficultyTimer >= 600) {
		// Every 10 seconds
		if (zombieSpawnRate > minSpawnRate) {
			zombieSpawnRate -= 5;
		}
		difficultyTimer = 0;
	}
	// Check bullet-zombie collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		for (var j = zombies.length - 1; j >= 0; j--) {
			var zombie = zombies[j];
			if (bullet.intersects(zombie)) {
				// Zombie hit
				LK.getSound('zombieHit').play();
				score += 10;
				LK.setScore(score);
				scoreText.setText('Score: ' + score);
				// Store zombie position for power-up drop
				var zombieX = zombie.x;
				var zombieY = zombie.y;
				// Remove zombie from array and game immediately
				zombies.splice(j, 1);
				// Red disintegration effect
				tween(zombie, {
					tint: 0xFF0000,
					alpha: 0,
					scaleX: 0.3,
					scaleY: 0.3
				}, {
					duration: 300,
					easing: tween.easeOut,
					onFinish: function onFinish() {
						zombie.destroy();
					}
				});
				// Chance to drop power-up
				if (Math.random() < 0.15) {
					// 15% chance
					var powerUpType = Math.random() < 0.6 ? 'health' : 'ammo';
					var powerUp = new PowerUp(powerUpType);
					powerUp.x = zombieX;
					powerUp.y = zombieY;
					powerUps.push(powerUp);
					game.addChild(powerUp);
				}
				// Remove bullet
				bullet.destroy();
				bullets.splice(i, 1);
				break;
			}
		}
	}
	// Update UI
	healthBar.scaleX = player.health / player.maxHealth * 10;
	ammoText.setText('Ammo: ' + player.ammo);
	// Change health bar color based on health
	if (player.health < 25) {
		healthBar.tint = 0xFF0000; // Red
	} else if (player.health < 50) {
		healthBar.tint = 0xFFFF00; // Yellow
	} else {
		healthBar.tint = 0x00FF00; // Green
	}
};
/*********************** 
* EK ÖZELLİKLER
***********************/ 
// Player movement speed
var PLAYER_SPEED = 4;
// Shooting threshold for joystick sensitivity
var SHOOT_THRESHOLD = 30;
// Zombi temel hızı
var ZOMBIE_BASE_SPEED = 2;
// Zombi türleri
var ZOMBIE_TYPES = [{
	type: 'normal',
	speed: ZOMBIE_BASE_SPEED,
	health: 1
}, {
	type: 'runner',
	speed: ZOMBIE_BASE_SPEED * 1.8,
	health: 0.5
}, {
	type: 'tank',
	speed: ZOMBIE_BASE_SPEED * 0.6,
	health: 3
}];
// Level up skorları
var LEVEL_THRESHOLDS = [0, 200, 500, 1000];
var currentLevel = 1;
/*********************** 
* LEVEL SYSTEM
***********************/ 
function checkLevelUp() {
	if (score >= LEVEL_THRESHOLDS[currentLevel]) {
		currentLevel++;
		zombieSpawnRate = Math.max(ZOMBIE_SPAWN_MIN, zombieSpawnRate - 10);
		showLevelUp(currentLevel);
	}
}
function showLevelUp(level) {
	var levelText = new Text2("LEVEL ".concat(level), {
		size: 100,
		fill: 0xFFD700
	});
	levelText.anchor.set(0.5);
	levelText.x = 1024;
	levelText.y = 1366;
	LK.gui.center.addChild(levelText);
	tween(levelText, {
		alpha: 0
	}, {
		duration: 2000,
		easing: tween.easeIn,
		onFinish: function onFinish() {
			return levelText.destroy();
		}
	});
}
/*********************** 
* GAME LOOP PATCH
***********************/ 
game.update = function () {
	var moveInput = leftJoystick.getNormalizedInput();
	player.x += moveInput.x * PLAYER_SPEED;
	player.y += moveInput.y * PLAYER_SPEED;
	player.x = Math.max(40, Math.min(2008, player.x));
	player.y = Math.max(40, Math.min(2692, player.y));
	var shootInput = rightJoystick.getNormalizedInput();
	if (rightJoystick.distance > 0) {
		player.updateGunRotation(Math.atan2(shootInput.y, shootInput.x));
	}
	if (rightJoystick.distance > SHOOT_THRESHOLD) fireBullet();
	zombieSpawnTimer++;
	if (zombieSpawnTimer >= zombieSpawnRate) {
		spawnZombie();
		zombieSpawnTimer = 0;
	}
	for (var _i = 0, _arr = [].concat(bullets); _i < _arr.length; _i++) {
		var bullet = _arr[_i];
		for (var _i2 = 0, _arr2 = [].concat(zombies); _i2 < _arr2.length; _i2++) {
			var zombie = _arr2[_i2];
			if (bullet.intersects(zombie)) {
				LK.getSound('zombieHit').play();
				score += 10;
				checkLevelUp(); // HER ZOMBİDE LEVEL KONTROL
				zombie.die();
				bullet.destroy();
				removeFromArray(bullets, bullet);
				removeFromArray(zombies, zombie);
				break;
			}
		}
	}
	updateUI();
};
function updateUI() {
	// Update health bar
	healthBar.scaleX = player.health / player.maxHealth * 10;
	ammoText.setText('Ammo: ' + player.ammo);
	scoreText.setText('Score: ' + score);
	// Change health bar color based on health
	if (player.health < 25) {
		healthBar.tint = 0xFF0000; // Red
	} else if (player.health < 50) {
		healthBar.tint = 0xFFFF00; // Yellow
	} else {
		healthBar.tint = 0x00FF00; // Green
	}
}

===================================================================
--- original.js
+++ change.js
@@ -199,8 +199,36 @@
 	self.health = 1;
 	self.dodgeCooldown = 0;
 	self.dodgeVelocityX = 0;
 	self.dodgeVelocityY = 0;
+	self.die = function () {
+		// Store zombie position for power-up drop
+		var zombieX = self.x;
+		var zombieY = self.y;
+		// Red disintegration effect
+		tween(self, {
+			tint: 0xFF0000,
+			alpha: 0,
+			scaleX: 0.3,
+			scaleY: 0.3
+		}, {
+			duration: 300,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				self.destroy();
+			}
+		});
+		// Chance to drop power-up
+		if (Math.random() < 0.15) {
+			// 15% chance
+			var powerUpType = Math.random() < 0.6 ? 'health' : 'ammo';
+			var powerUp = new PowerUp(powerUpType);
+			powerUp.x = zombieX;
+			powerUp.y = zombieY;
+			powerUps.push(powerUp);
+			game.addChild(powerUp);
+		}
+	};
 	self.update = function () {
 		// Reduce dodge cooldown
 		if (self.dodgeCooldown > 0) {
 			self.dodgeCooldown--;
@@ -272,8 +300,17 @@
 
 /**** 
 * Game Code
 ****/ 
+// Utility function to remove items from arrays
+function removeFromArray(array, item) {
+	for (var i = array.length - 1; i >= 0; i--) {
+		if (array[i] === item) {
+			array.splice(i, 1);
+			break;
+		}
+	}
+}
 // Game variables
 var player;
 var zombies = [];
 var bullets = [];