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

/**** 
* Classes
****/ 
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 9 + Math.random() * 4.5; // Increase base speed and range
	self.health = 1;
	self.lastWasIntersecting = false;
	self.update = function () {
		// Move towards the player's current position
		self.x += self.vx;
		self.y += self.vy;
		// Check collision with player
		var isIntersecting = self.intersects(player);
		// Only deal damage if enemy collides with the white part of the player (not the headDot)
		// Since headDot is not a child, calculate its global position based on player's position and rotation
		var headDotOffset = 90; // Distance from player center to nose (approximate, based on player asset height/2 - headDot radius)
		var headDotLocalX = 0;
		var headDotLocalY = -headDotOffset;
		var sin = 0,
			cos = 1,
			headDotGlobal = {
				x: 0,
				y: 0
			};
		if (typeof player !== "undefined" && player && typeof player.rotation !== "undefined") {
			sin = Math.sin(player.rotation);
			cos = Math.cos(player.rotation);
			headDotGlobal = {
				x: player.x + (headDotLocalX * cos - headDotLocalY * sin),
				y: player.y + (headDotLocalX * sin + headDotLocalY * cos)
			};
		}
		var enemyGlobal = self.toGlobal({
			x: 0,
			y: 0
		});
		var dx = headDotGlobal.x - enemyGlobal.x;
		var dy = headDotGlobal.y - enemyGlobal.y;
		var distToHead = Math.sqrt(dx * dx + dy * dy);
		// The headDot has a radius of 12, so if the enemy is within 24px of the headDot center, it's hitting the head
		var isHittingHead = distToHead < 24;
		if (!self.lastWasIntersecting && isIntersecting && !isHittingHead) {
			player.takeDamage(10);
			self.destroy();
			var index = enemies.indexOf(self);
			if (index > -1) {
				enemies.splice(index, 1);
			}
		}
		self.lastWasIntersecting = isIntersecting;
		// Check if the enemy has exited the screen without colliding with the player
		if (!isIntersecting && (self.x < -self.width || self.x > 2048 + self.width || self.y < -self.height || self.y > 2732 + self.height)) {
			LK.setScore(LK.getScore() + 10);
			self.destroy();
			var index = enemies.indexOf(self);
			if (index > -1) {
				enemies.splice(index, 1);
			}
		}
	};
	self.takeDamage = function (amount) {
		self.health -= amount;
		if (self.health <= 0) {
			LK.getSound('explosion').play();
			LK.effects.flashObject(self, 0xFFFFFF, 100);
			self.destroy();
			var index = enemies.indexOf(self);
			if (index > -1) {
				enemies.splice(index, 1);
			}
			LK.setScore(LK.getScore() + 10);
		}
	};
	return self;
});
// Set background color
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// The headDot is not added to the player, so the red ellipse is not visible
	self.health = 100;
	self.rotation = 0;
	self.shootCooldown = 0;
	// Store targetX and targetY for movement and aiming
	self.targetX = 2048 / 2;
	self.targetY = 2732 / 2;
	self.update = function () {
		if (self.shootCooldown > 0) {
			self.shootCooldown--;
		}
		// Move player towards target position
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 1) {
			self.x += dx / dist * 8; // Slightly increased speed for faster movement
			self.y += dy / dist * 8; // Slightly increased speed for faster movement
		}
		// Rotate player so the head (red dot) points away from the target
		self.rotation = Math.atan2(self.targetY - self.y, self.targetX - self.x) + Math.PI / 2;
	};
	self.shoot = function () {
		// Shooting functionality removed
	};
	self.takeDamage = function (amount) {
		self.health -= 20;
		LK.getSound('damage').play();
		LK.effects.flashObject(self, 0xFF0000, 300);
		healthBarForeground.width = self.health / 100 * 400; // Update health bar width to match new size
		// Update health text
		healthText.setText(self.health);
		// Calculate the gray overlay intensity based on remaining health
		var grayIntensity = 1 - self.health / 100;
		LK.effects.flashScreen(0x808080, 300, {
			alpha: grayIntensity
		});
		if (self.health <= 0) {
			LK.effects.flashScreen(0xFF0000, 1000);
			LK.showGameOver();
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// --- MAIN MENU & SETTINGS UI ---
var mainMenuContainer = new Container();
var menuBg = LK.getAsset('healthBarBackground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1366,
	width: 900,
	height: 900
});
menuBg.alpha = 0.92;
mainMenuContainer.addChild(menuBg);
// Title
var menuTitle = new Text2('Uçak Oyunu', {
	size: 120,
	fill: 0xffffff,
	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
});
menuTitle.anchor.set(0.5, 0);
menuTitle.x = 1024;
menuTitle.y = 600;
mainMenuContainer.addChild(menuTitle);
// Start Button
var startBtn = LK.getAsset('healthBarForeground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1100,
	width: 500,
	height: 120
});
startBtn.interactive = true;
startBtn.buttonMode = true;
mainMenuContainer.addChild(startBtn);
var startBtnText = new Text2('Oyunu Başlat', {
	size: 70,
	fill: 0x000000,
	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
});
startBtnText.anchor.set(0.5, 0.5);
startBtnText.x = 1024;
startBtnText.y = 1100;
mainMenuContainer.addChild(startBtnText);
// Settings Button
var settingsBtn = LK.getAsset('healthBarForeground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1270,
	width: 500,
	height: 120
});
settingsBtn.interactive = true;
settingsBtn.buttonMode = true;
mainMenuContainer.addChild(settingsBtn);
var settingsBtnText = new Text2('Ayarlar', {
	size: 70,
	fill: 0x000000,
	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
});
settingsBtnText.anchor.set(0.5, 0.5);
settingsBtnText.x = 1024;
settingsBtnText.y = 1270;
mainMenuContainer.addChild(settingsBtnText);
// Add menu to GUI center
LK.gui.center.addChild(mainMenuContainer);
// --- SETTINGS POPUP ---
var settingsContainer = new Container();
var settingsBg = LK.getAsset('healthBarBackground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1366,
	width: 800,
	height: 700
});
settingsBg.alpha = 0.96;
settingsContainer.addChild(settingsBg);
var settingsTitle = new Text2('Ayarlar', {
	size: 90,
	fill: 0xffffff,
	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
});
settingsTitle.anchor.set(0.5, 0);
settingsTitle.x = 1024;
settingsTitle.y = 800;
settingsContainer.addChild(settingsTitle);
// Music Volume
var musicLabel = new Text2('Müzik Sesi', {
	size: 50,
	fill: 0xffffff,
	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
});
musicLabel.anchor.set(0, 0.5);
musicLabel.x = 700;
musicLabel.y = 1100;
settingsContainer.addChild(musicLabel);
var musicVolume = 1;
var musicSliderBg = LK.getAsset('healthBarBackground', {
	anchorX: 0,
	anchorY: 0.5,
	x: 950,
	y: 1100,
	width: 300,
	height: 30
});
settingsContainer.addChild(musicSliderBg);
var musicSliderFg = LK.getAsset('healthBarForeground', {
	anchorX: 0,
	anchorY: 0.5,
	x: 950,
	y: 1100,
	width: 300,
	height: 30
});
settingsContainer.addChild(musicSliderFg);
function updateMusicSlider() {
	musicSliderFg.width = 300 * musicVolume;
}
updateMusicSlider();
musicSliderBg.interactive = true;
musicSliderBg.buttonMode = true;
musicSliderBg.down = function (x, y, obj) {
	var localX = x - musicSliderBg.x;
	musicVolume = Math.max(0, Math.min(1, localX / 300));
	updateMusicSlider();
	LK.setMusicVolume(musicVolume);
};
// Sound Volume
var soundLabel = new Text2('Ses Efekti', {
	size: 50,
	fill: 0xffffff,
	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
});
soundLabel.anchor.set(0, 0.5);
soundLabel.x = 700;
soundLabel.y = 1200;
settingsContainer.addChild(soundLabel);
var soundVolume = 1;
var soundSliderBg = LK.getAsset('healthBarBackground', {
	anchorX: 0,
	anchorY: 0.5,
	x: 950,
	y: 1200,
	width: 300,
	height: 30
});
settingsContainer.addChild(soundSliderBg);
var soundSliderFg = LK.getAsset('healthBarForeground', {
	anchorX: 0,
	anchorY: 0.5,
	x: 950,
	y: 1200,
	width: 300,
	height: 30
});
settingsContainer.addChild(soundSliderFg);
function updateSoundSlider() {
	soundSliderFg.width = 300 * soundVolume;
}
updateSoundSlider();
soundSliderBg.interactive = true;
soundSliderBg.buttonMode = true;
soundSliderBg.down = function (x, y, obj) {
	var localX = x - soundSliderBg.x;
	soundVolume = Math.max(0, Math.min(1, localX / 300));
	updateSoundSlider();
	LK.setSoundVolume(soundVolume);
};
// Close Settings Button
var closeSettingsBtn = LK.getAsset('healthBarForeground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 1024,
	y: 1400,
	width: 400,
	height: 100
});
closeSettingsBtn.interactive = true;
closeSettingsBtn.buttonMode = true;
settingsContainer.addChild(closeSettingsBtn);
var closeSettingsBtnText = new Text2('Kapat', {
	size: 60,
	fill: 0x000000,
	font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
});
closeSettingsBtnText.anchor.set(0.5, 0.5);
closeSettingsBtnText.x = 1024;
closeSettingsBtnText.y = 1400;
settingsContainer.addChild(closeSettingsBtnText);
// Hide settings popup initially
settingsContainer.visible = false;
LK.gui.center.addChild(settingsContainer);
// --- MENU LOGIC ---
function showMainMenu() {
	mainMenuContainer.visible = true;
	settingsContainer.visible = false;
	// Pause game logic
	game.paused = true;
}
function hideMainMenu() {
	mainMenuContainer.visible = false;
	game.paused = false;
}
function showSettings() {
	mainMenuContainer.visible = false;
	settingsContainer.visible = true;
}
function hideSettings() {
	settingsContainer.visible = false;
	mainMenuContainer.visible = true;
}
// Button events
startBtn.down = function (x, y, obj) {
	hideMainMenu();
};
settingsBtn.down = function (x, y, obj) {
	showSettings();
};
closeSettingsBtn.down = function (x, y, obj) {
	hideSettings();
};
// --- GAME INITIALIZATION (deferred until menu closed) ---
var backgroundImage,
	player,
	enemies = [],
	spawnTimer = 0,
	level = 1,
	spawnInterval = 60,
	spawnDistance = 800,
	aimDirection = 0,
	score = 0;
var healthBarContainer, healthBarBackground, healthBarForeground, healthText, scoreText, levelText;
function startGame() {
	// Set the background image as the game background
	backgroundImage = LK.getAsset('backround', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0,
		width: 2048,
		height: 2732
	});
	game.addChildAt(backgroundImage, 0); // Add as the bottom-most layer
	// Always play the background music asset 'ss'
	LK.playMusic('ss', {
		volume: musicVolume
	});
	// Create player in center of screen
	player = new Player();
	player.x = 2048 / 2;
	player.y = 2732 / 2;
	game.addChild(player);
	// Spawn an initial enemy at the start of the game
	spawnEnemy();
	// Create graphical health bar
	healthBarContainer = new Container();
	healthBarBackground = LK.getAsset('healthBarBackground', {
		anchorX: 0,
		anchorY: 0
	});
	healthBarForeground = LK.getAsset('healthBarForeground', {
		anchorX: 0,
		anchorY: 0
	});
	healthBarContainer.addChild(healthBarBackground);
	healthBarContainer.addChild(healthBarForeground);
	// Add text to display remaining health
	healthText = new Text2('100', {
		size: 40,
		fill: 0xFFFFFF,
		font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
	});
	healthText.anchor.set(0.5, 0.5);
	healthBarContainer.addChild(healthText);
	healthText.x = healthBarBackground.width / 2;
	healthText.y = healthBarBackground.height / 2;
	healthBarForeground.anchorX = 0;
	healthBarForeground.anchorY = 0;
	LK.gui.topLeft.addChild(healthBarContainer);
	healthBarContainer.x = 10;
	healthBarContainer.y = 10;
	// Create score text
	scoreText = new Text2('Score: 0', {
		size: 60,
		fill: 0xFFFFFF,
		font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
	});
	scoreText.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreText);
	// Create level text
	levelText = new Text2('Level: ' + level, {
		size: 60,
		fill: 0xFFFFFF,
		font: "'GillSans-Bold',Impact,'Arial Black',Tahoma"
	});
	levelText.anchor.set(1, 0);
	LK.gui.topRight.addChild(levelText);
	levelText.x = -10;
}
// Only start game after menu is closed
var gameStarted = false;
var oldGameUpdate = game.update;
game.update = function () {
	if (mainMenuContainer.visible) {
		// Pause game logic while menu is open
		return;
	}
	if (!gameStarted) {
		startGame();
		gameStarted = true;
	}
	if (typeof oldGameUpdate === "function") {
		oldGameUpdate();
	}
};
// Handle touch/click input for aiming and shooting
game.down = function (x, y, obj) {
	if (!player || mainMenuContainer.visible) return;
	player.targetX = x;
	player.targetY = y;
	player.isTouching = true;
};
game.move = function (x, y, obj) {
	if (!player || mainMenuContainer.visible) return;
	if (player.isTouching) {
		player.targetX = x;
		player.targetY = y;
	}
};
game.up = function (x, y, obj) {
	if (!player || mainMenuContainer.visible) return;
	player.isTouching = false;
};
// Show menu at game start
showMainMenu();
// Spawn enemy at random position around the player
function spawnEnemy() {
	var enemy;
	enemy = new Enemy();
	// Randomly choose an edge of the screen to spawn the enemy
	var edge = Math.floor(Math.random() * 4);
	switch (edge) {
		case 0:
			// Top edge
			enemy.x = Math.random() * 2048;
			enemy.y = -enemy.height;
			break;
		case 1:
			// Right edge
			enemy.x = 2048 + enemy.width;
			enemy.y = Math.random() * 2732;
			break;
		case 2:
			// Bottom edge
			enemy.x = Math.random() * 2048;
			enemy.y = 2732 + enemy.height;
			break;
		case 3:
			// Left edge
			enemy.x = -enemy.width;
			enemy.y = Math.random() * 2732;
			break;
	}
	// Calculate direction towards player
	var dx = 0,
		dy = 0,
		dist = 1;
	if (typeof player !== "undefined" && player && typeof player.x !== "undefined" && typeof player.y !== "undefined") {
		dx = player.x - enemy.x;
		dy = player.y - enemy.y;
		dist = Math.sqrt(dx * dx + dy * dy);
	} else {
		// Default direction if player is not defined
		dx = 0;
		dy = 1;
		dist = 1;
	}
	enemy.vx = dx / dist * (enemy.speed + level * 0.5);
	enemy.vy = dy / dist * (enemy.speed + level * 0.5);
	// Rotate enemy to face the player with its sharp edge
	enemy.rotation = Math.atan2(dy, dx);
	game.addChild(enemy);
	enemies.push(enemy);
	// Increase difficulty
	if (spawnInterval > 30) {
		spawnInterval -= 0.5;
	}
}
// Game update loop
game.update = function () {
	// Update player
	if (player && typeof player.update === "function") {
		player.update();
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
		// Add animation to enemy
		if (typeof enemies[i] !== 'undefined' && typeof enemies[i].rotation !== 'undefined') {
			tween(enemies[i], {
				rotation: enemies[i].rotation + Math.PI * 2
			}, {
				duration: 2000,
				easing: tween.easeInOut
			});
		}
	}
	// Spawn enemies
	spawnTimer++;
	if (spawnTimer >= spawnInterval) {
		spawnEnemy();
		spawnTimer = 0;
	}
	// Update score and level display
	if (typeof scoreText !== "undefined" && scoreText && typeof scoreText.setText === "function") {
		scoreText.setText('Score: ' + LK.getScore());
	}
	if (typeof levelText !== "undefined" && levelText && typeof levelText.setText === "function") {
		levelText.setText('Level: ' + level);
	}
	// Increase level every 30 points
	if (LK.getScore() >= level * 30) {
		level++;
		levelText.setText('Level: ' + level);
		// Play level up sound
		LK.getSound('levelUp').play();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -25,14 +25,22 @@
 		// Since headDot is not a child, calculate its global position based on player's position and rotation
 		var headDotOffset = 90; // Distance from player center to nose (approximate, based on player asset height/2 - headDot radius)
 		var headDotLocalX = 0;
 		var headDotLocalY = -headDotOffset;
-		var sin = Math.sin(player.rotation);
-		var cos = Math.cos(player.rotation);
-		var headDotGlobal = {
-			x: player.x + (headDotLocalX * cos - headDotLocalY * sin),
-			y: player.y + (headDotLocalX * sin + headDotLocalY * cos)
-		};
+		var sin = 0,
+			cos = 1,
+			headDotGlobal = {
+				x: 0,
+				y: 0
+			};
+		if (typeof player !== "undefined" && player && typeof player.rotation !== "undefined") {
+			sin = Math.sin(player.rotation);
+			cos = Math.cos(player.rotation);
+			headDotGlobal = {
+				x: player.x + (headDotLocalX * cos - headDotLocalY * sin),
+				y: player.y + (headDotLocalX * sin + headDotLocalY * cos)
+			};
+		}
 		var enemyGlobal = self.toGlobal({
 			x: 0,
 			y: 0
 		});