/**** 
* Classes
****/ 
// Character: Dokunulduğunda zıplar.
var Character = Container.expand(function () {
	var self = Container.call(this);
	self.attachAsset('character', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.zIndex = 4;
	self.velocityY = 0;
	self.gravity = 0.3;
	self.jumpStrength = -12;
	self.width = 350;
	self.height = 300;
	self.update = function () {
		if (gameStarted && !gameOver) {
			self.velocityY += self.gravity;
			self.y += self.velocityY;
			if (self.y > groundY - 100) {
				self.y = groundY - 100;
				self.velocityY = 0;
				if (!self.intersects(underscoreAsset) && !self.preventDeath) {
					gameOver = true;
					endGame();
				}
			}
			var characterLeft = self.x - self.width / 2;
			var characterRight = self.x + self.width / 2;
			var characterTop = self.y - self.height / 2;
			var characterBottom = self.y + self.height / 2;
			// Ekran dışına çıkma kontrolü
			if (characterLeft + self.width / 2 < 0 || characterRight - self.width / 2 > screenRight || characterTop + self.height / 2 < 0 || characterBottom - self.height / 2 > groundY) {
				gameOver = true;
				endGame();
			}
			// Çarpışma kontrolü: Tube ve Tree
			game.children.forEach(function (child) {
				if (child instanceof Tube) {
					var tubeLeft = child.x - child.bottomTube.width / 2;
					var tubeRight = child.x + child.bottomTube.width / 2;
					var safeGapLowerEdge = child.y - child.bottomTube.height;
					var safeGapUpperEdge = -gapOffset + child.topTube.height;
					if (self.x + self.width / 2 > tubeLeft && self.x - self.width / 2 < tubeRight) {
						if (self.y < safeGapUpperEdge || self.y > safeGapLowerEdge) {
							if (!self.intersects(underscoreAsset) && !self.preventDeath) {
								// Check if not intersecting with underscore asset and preventDeath is not true
								gameOver = true;
								endGame();
							} else {
								// If intersecting with underscore asset or preventDeath is true, do not trigger game over
								return;
							}
						}
					}
				} else if (child instanceof Tree) {
					var treeLeft = child.x - child.bottomTree.width / 2;
					var treeRight = child.x + child.bottomTree.width / 2;
					var safeGapLowerEdge = child.y - child.bottomTree.height;
					var safeGapUpperEdge = -gapOffset + child.topTree.height;
					if (self.x + self.width / 2 > treeLeft && self.x - self.width / 2 < treeRight) {
						if (self.y < safeGapUpperEdge || self.y > safeGapLowerEdge) {
							if (!self.intersects(underscoreAsset)) {
								// Check if not intersecting with underscore asset
								gameOver = true;
								endGame();
							}
						}
					}
				}
			});
		}
	};
	self.jump = function () {
		if (!gameOver) {
			self.velocityY = self.jumpStrength;
		}
	};
	return self;
});
// GameOverText class
var GameOverText = Container.expand(function () {
	var self = Container.call(this);
	self.text = new Text2("GAME OVER", {
		fontFamily: "Arial",
		fontSize: 2250,
		fill: 0xFF0000,
		align: "center",
		fontWeight: "bold"
	});
	self.text.anchorX = 0.5;
	self.text.anchorY = 0.5;
	self.addChild(self.text);
	self.zIndex = 100;
	return self;
});
// Tree class: Üst ve alt ağaç oluşturma
var Tree = Container.expand(function () {
	var self = Container.call(this);
	var bottomUnit = Math.floor(Math.random() * 8) + 1;
	var topUnit = 9 - bottomUnit;
	var unitSize = groundY / totalUnits;
	var bottomHeight = bottomUnit * unitSize;
	var topHeight = topUnit * unitSize;
	self.y = groundY;
	self.bottomTree = self.attachAsset('tree', {
		anchorX: 0.5,
		anchorY: 1,
		width: 300,
		height: bottomHeight,
		flipY: false
	});
	self.topTree = self.attachAsset('tree', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 300,
		height: topHeight,
		flipY: false
	});
	self.topTree.rotation = Math.PI;
	self.topTree.y = -groundY - gapOffset + topHeight / 2;
	self.zIndex = 1;
	self.x = 2048 + 800;
	self.velocityX = -3.6;
	self.spawned = false;
	self.prevX = self.x;
	self.update = function () {
		if (gameStarted && !gameOver) {
			self.x += self.velocityX;
			// Sırayla ağaç-boru üretimi
			if (!self.spawned && self.prevX > treeSpawnThreshold && self.x <= treeSpawnThreshold) {
				self.spawned = true;
				var newTube = new Tube();
				newTube.x = 2048 + 800;
				game.addChild(newTube);
				lastSpawner = newTube;
			}
			self.prevX = self.x;
			// Geçme sayacı
			if (!self.passed && character.x > self.x + self.bottomTree.width / 2) {
				self.passed = true;
				updateScore();
			}
		}
	};
	return self;
});
// Tube class: Üst ve alt boru oluşturma
var Tube = Container.expand(function () {
	var self = Container.call(this);
	var bottomUnit = Math.floor(Math.random() * 8) + 1;
	var topUnit = 9 - bottomUnit;
	var unitSize = groundY / totalUnits;
	var bottomHeight = bottomUnit * unitSize;
	var topHeight = topUnit * unitSize;
	self.y = groundY;
	self.bottomTube = self.attachAsset('tube', {
		anchorX: 0.5,
		anchorY: 1,
		width: 300,
		height: bottomHeight,
		flipY: false
	});
	self.topTube = self.attachAsset('tube', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 300,
		height: topHeight,
		flipY: false
	});
	self.topTube.rotation = Math.PI;
	self.topTube.y = -groundY - gapOffset + topHeight / 2;
	self.zIndex = 1;
	self.x = 2048 + 800;
	self.velocityX = -3.6;
	self.spawned = false;
	self.prevX = self.x;
	self.update = function () {
		if (gameStarted && !gameOver) {
			self.x += self.velocityX;
			// Sırayla boru-ağaç üretimi
			if (!self.spawned && self.prevX > tubeSpawnThreshold && self.x <= tubeSpawnThreshold) {
				self.spawned = true;
				var newTree = new Tree();
				newTree.x = 2048 + 800;
				game.addChild(newTree);
				lastSpawner = newTree;
			}
			self.prevX = self.x;
			// Geçme sayacı
			if (!self.passed && character.x > self.x + self.bottomTube.width / 2) {
				self.passed = true;
				updateScore();
			}
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
var underscoreAsset = LK.getAsset('_', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX() + 1000,
	y: centerY()
});
underscoreAsset.zIndex = 15000;
game.addChild(underscoreAsset);
// Add click event to underscore asset
underscoreAsset.on('down', function () {
	// Set a flag to prevent character death
	character.preventDeath = true;
});
game.children.sort(function (a, b) {
	return (a.zIndex || 0) - (b.zIndex || 0);
});
function createCloseButton() {
	// Close button’un kendi container’ı:
	var closeButtonContainer = new Container();
	closeButtonContainer.zIndex = 9999; // Diğer her şeyin üstünde olsun
	// Close butonu için ellipse (shape)
	var closeShape = LK.getAsset('button_close', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 160 * 0.8,
		// Adjusted width to 80% of original
		height: 160 * 1.2 // Adjusted height to 120% of original
	});
	closeButtonContainer.addChild(closeShape);
	// “X” metni
	var closeLabel = LK.getAsset('justX', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: -6,
		// Moved 4 pixels left
		y: 2 // Moved 4 pixels up
	});
	closeButtonContainer.addChild(closeLabel);
	return closeButtonContainer;
}
function zoomEffect() {
	// Mevcut scale değeri (örneğin orijinal 1)
	var originalScale = character.scale.x;
	// Zoom in: %20 artış
	character.scale.set(originalScale * 1.2);
	// 300ms sonra zoom out yap, orijinal scale'e dön
	LK.setTimeout(function () {
		character.scale.set(originalScale);
	}, 300);
}
// Dünyayı ters döndürme (flip) fonksiyonu – 0.2 saniye boyunca jump/gravity devre dışı
function flipWorld() {
	if (flipped) {
		return;
	}
	flipped = true;
	// 0.3 saniye boyunca karakterin jump ve gravity etkilerini devre dışı bırak
	character.gravity = 0;
	character.jumpStrength = 0;
	zoomEffect();
	LK.setTimeout(function () {
		// Ters dünyada: gravity -0.3, jumpStrength 12
		character.gravity = -0.3;
		character.jumpStrength = 12;
	}, 300);
	// Dünya elemanlarını ters çevir (sadece scale yöntemiyle)
	background.scale.y *= -1;
	sky.scale.y *= -1;
	groundAsset.scale.y *= -1;
	ground2Asset.scale.y *= -1;
}
// Dünyayı eski hâline döndürme (unflip) fonksiyonu – 0.2 saniye boyunca jump/gravity devre dışı
function unflipWorld() {
	if (!flipped) {
		return;
	}
	flipped = false;
	character.gravity = 0;
	character.jumpStrength = 0;
	zoomEffect();
	LK.setTimeout(function () {
		// Normal dünyada: gravity 0.3, jumpStrength -12
		character.gravity = 0.3;
		character.jumpStrength = -12;
	}, 300);
	// Dünya elemanlarını yeniden ters çevirerek orijinal haline döndür
	background.scale.y *= -1;
	sky.scale.y *= -1;
	groundAsset.scale.y *= -1;
	ground2Asset.scale.y *= -1;
}
// Skoru güncelleme fonksiyonu – Her 5 skorda flip/unflip toggle
function updateScore() {
	passCounter++;
	counterText.setText(passCounter);
	if (passCounter % 5 === 0) {
		if (!flipped) {
			flipWorld();
		} else {
			unflipWorld();
		}
	}
}
/**** 
* Global Variables & Helper Functions
****/ 
var groundY = 2732;
var menuOpen = true;
var volumeOn = true;
var records = []; // En iyi 5 skoru saklar
var gapOffset = 400;
var gameStarted = false;
var gameOver = false;
var gameWait = false; // Oyun menüden çıkıp da henüz başlamamışken true olacak.
var screenRight = 2048;
var totalUnits = 10;
var tubeSpawnThreshold, treeSpawnThreshold;
var lastSpawner = null;
var gameOverText = null;
var passCounter = 0;
var lastScore = 0; // Global lastScore variable
// Flip durumunu takip eden bayrak
var flipped = false;
function centerX() {
	return 2048 / 2;
}
function centerY() {
	return groundY / 2;
}
tubeSpawnThreshold = centerX() + (screenRight - centerX()) / 2;
treeSpawnThreshold = centerX() + 3 * (screenRight - centerX()) / 4;
/**** 
* Menu Setup
****/ 
var menuContainer = new Container();
menuContainer.zIndex = 200;
// Menü arka planları
var menuBackground = LK.getAsset('menu_background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX(),
	y: centerY()
});
menuBackground.zIndex = 200;
menuContainer.addChild(menuBackground);
var menuBackgroundPart = LK.getAsset('menu_background_part', {
	anchorX: 0.5,
	anchorY: 0.19,
	x: centerX(),
	y: centerY()
});
menuBackgroundPart.zIndex = menuBackground.zIndex + 1; // 201
menuContainer.addChild(menuBackgroundPart);
// Butonlar ve Label’lar
// PLAY
var playButton = LK.getAsset('button_play', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX() - 20,
	y: centerY() + 205
});
playButton.visible = false;
menuContainer.addChild(playButton);
var playLabel = new Text2("PLAY", {
	fontFamily: "Arial",
	fontSize: 630.25 * 1.1 * 1.08,
	fill: 0xffffff
});
playLabel.anchorX = 0.5;
playLabel.anchorY = 0.5;
playLabel.x = playButton.x - 45;
playLabel.y = playButton.y - -25;
playLabel.visible = true;
playLabel.zIndex = 1000;
menuContainer.addChild(playLabel);
// VOLUME
var volumeButton = LK.getAsset('button_volume', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX() - 28,
	y: centerY() + 310
});
volumeButton.visible = false;
menuContainer.addChild(volumeButton);
var volumeLabel = new Text2("VOLUME", {
	fontFamily: "Arial",
	fontSize: 63.25 * 1.1 * 1.05 * 1.05 * 1.05,
	fill: 0xffffff
});
volumeLabel.anchorX = 0.5;
volumeLabel.anchorY = 0.5;
volumeLabel.x = volumeButton.x - 58;
volumeLabel.y = volumeButton.y + 30;
volumeLabel.visible = true;
volumeLabel.zIndex = 1000;
menuContainer.addChild(volumeLabel);
// CREDITS
var creditsButton = LK.getAsset('button_credits', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX() - 30,
	y: centerY() + 429
});
creditsButton.visible = false;
menuContainer.addChild(creditsButton);
var creditsLabel = new Text2("CREDITS", {
	fontFamily: "Arial",
	fontSize: 630.25 * 1.05 * 1.05 * 1.05,
	fill: 0xffffff
});
creditsLabel.anchorX = 0.5;
creditsLabel.anchorY = 0.5;
creditsLabel.x = creditsButton.x - 60;
creditsLabel.y = creditsButton.y + 28;
creditsLabel.visible = true;
creditsLabel.zIndex = 1000;
menuContainer.addChild(creditsLabel);
// RECORDS
var recordsButton = LK.getAsset('button_records', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX() - 30,
	y: centerY() + 540
});
recordsButton.visible = false;
menuContainer.addChild(recordsButton);
var recordsLabel = new Text2("RECORDS", {
	fontFamily: "Arial",
	fontSize: 150.25 * 1.05 * 1.05 * 1.03 * 1.05,
	fill: 0xffffff
});
recordsLabel.anchorX = 0.5;
recordsLabel.anchorY = 0.5;
recordsLabel.x = recordsButton.x - 67;
recordsLabel.y = recordsButton.y + 28;
recordsLabel.visible = true;
recordsLabel.zIndex = 1000;
menuContainer.addChild(recordsLabel);
// Ekranda sayacımız
var counterText = new Text2('0', {
	size: 124.2,
	fill: 0xFFFFFF
});
counterText.anchor.set(0, 0);
counterText.x = 1315;
counterText.y = 15;
LK.gui.topLeft.addChild(counterText);
// Arkaplanlar
var background = LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX(),
	y: groundY / 2
});
background.zIndex = 0;
game.addChild(background);
var sky = LK.getAsset('sky', {
	anchorX: 0.5,
	anchorY: 0,
	x: centerX(),
	y: 0
});
sky.zIndex = 2;
game.addChild(sky);
var groundAsset = LK.getAsset('ground', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX(),
	y: groundY - -25
});
groundAsset.zIndex = 4.1;
game.addChild(groundAsset);
var ground2Asset = LK.getAsset('ground2', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: centerX(),
	y: groundY - 40
});
ground2Asset.zIndex = 0.5;
game.addChild(ground2Asset);
// Karakteri ekle
var character = game.addChild(new Character());
character.x = centerX();
character.y = groundY / 2;
// Menü container'ı biraz aşağı kaydırma
menuContainer.y += 100;
game.addChild(menuContainer);
/**** 
* Helper Functions: Credits, Volume & Records
****/ 
function createCommonCloseElements(modalWidth, modalHeight) {
	var closeLabel = LK.getAsset('justX', {
		anchorX: 0.5,
		anchorY: 0.5,
		zIndex: 10000,
		x: 6,
		// Moved 4 pixels left
		y: 16 // Moved 4 pixels up
	});
	var radius = 50;
	var closeButton = LK.getAsset('button_close', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: radius * 2.3 * 1.2,
		height: radius * 2.3 * 1.2
	});
	closeButton.zIndex = 10000;
	closeButton.x = 0; // Center the button horizontally
	closeButton.y = 0; // Center the button vertically
	closeButton.addChild(closeLabel);
	return {
		closeLabel: closeLabel,
		closeButton: closeButton
	};
}
function showCredits() {
	// Disable menu interaction when modal is opened
	menuOpen = false;
	var creditsContainer = new Container();
	creditsContainer.zIndex = 300;
	var modalWidth = 1250,
		modalHeight = 2000;
	var bg = LK.getAsset('second_menu', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: modalWidth,
		height: modalHeight,
		color: 0x000000
	});
	bg.x = centerX();
	bg.y = centerY();
	creditsContainer.addChild(bg);
	var creditsText = new Text2("Game by\nMustafa Talha ŞEN", {
		fontFamily: "Arial",
		fontSize: 5000 * 1.03,
		fill: 0xffffff,
		align: "center"
	});
	creditsText.anchorX = 0.5;
	creditsText.anchorY = 0.5;
	creditsText.x = centerX() - 359;
	creditsText.y = centerY() - 800 + 40;
	creditsText.scale.set(3, 3);
	creditsContainer.addChild(creditsText);
	// 5) creditsContainer’ı oyuna ekle
	game.addChild(creditsContainer);
	// 6) Close butonunu tamamen bağımsız ekle
	var closeButton = createCloseButton();
	// Örneğin, modal’ın sağ üst köşesi olsun
	closeButton.x = bg.x + modalWidth / 2 - closeButton.width / 2 - 160;
	closeButton.y = bg.y - modalHeight / 2 + closeButton.height / 2 + 175;
	// Tıklanınca hem creditsContainer’ı hem close butonunu kaldır
	closeButton.on('down', function () {
		game.removeChild(creditsContainer);
		game.removeChild(closeButton);
		// Enable menu interaction when modal is closed
		menuOpen = true;
		menuContainer.visible = true;
	});
	// Close butonunu da oyuna ekle
	game.addChild(closeButton);
}
function showVolume() {
	// Disable menu interaction when modal is opened
	menuOpen = false;
	var volumeContainer = new Container();
	volumeContainer.zIndex = 300;
	var modalWidth = 1250,
		modalHeight = 2000;
	var bg = LK.getAsset('second_menu', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: modalWidth,
		height: modalHeight,
		color: 0x000000
	});
	bg.x = centerX();
	bg.y = centerY();
	volumeContainer.addChild(bg);
	var volumeText = new Text2("Volume Settings", {
		fontFamily: "Arial",
		fontSize: 5000 * 1.03,
		fill: 0xffffff
	});
	volumeText.scale.set(3, 3);
	volumeText.anchorX = 0.5;
	volumeText.anchorY = 0.5;
	volumeText.x = centerX() - 275;
	volumeText.y = centerY() - 800 + 85;
	volumeContainer.addChild(volumeText);
	// Container’ı oyuna ekle
	game.addChild(volumeContainer);
	// Close butonu bağımsız
	var closeButton = createCloseButton();
	closeButton.x = bg.x + modalWidth / 2 - closeButton.width / 2 - 159;
	closeButton.y = bg.y - modalHeight / 2 + closeButton.height / 2 + 175;
	closeButton.on('down', function () {
		game.removeChild(volumeContainer);
		game.removeChild(closeButton);
		// Enable menu interaction when modal is closed
		menuOpen = true;
		menuContainer.visible = true;
	});
	game.addChild(closeButton);
}
function showRecords() {
	// Disable menu interaction when modal is opened
	menuOpen = false;
	var recordsContainer = new Container();
	recordsContainer.zIndex = 300;
	var modalWidth = 1500,
		modalHeight = 2200;
	var bg = LK.getAsset('second_menu', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: modalWidth,
		height: modalHeight,
		color: 0x000000
	});
	bg.x = centerX();
	bg.y = centerY();
	recordsContainer.addChild(bg);
	var recordsTextStr = "Top Scores:\n";
	for (var i = 0; i < records.length; i++) {
		recordsTextStr += i + 1 + ". " + records[i].score + " (Attempt " + records[i].attempt + ")\n";
	}
	if (records.length === 0) {
		recordsTextStr += "No records yet.";
	}
	recordsTextStr += "\nAttempts: " + records.length;
	recordsTextStr += "\nLast Score: " + lastScore;
	var recordsText = new Text2(recordsTextStr, {
		fontFamily: "Arial",
		fontSize: 5000 * 1.03,
		fill: 0xffffff,
		align: "center"
	});
	recordsText.anchorX = 0.5;
	recordsText.anchorY = 0.5;
	recordsText.x = centerX() - 280;
	recordsText.y = centerY() - 850 + 40;
	recordsText.scale.set(3, 3);
	recordsContainer.addChild(recordsText);
	// Container’ı oyuna ekle
	game.addChild(recordsContainer);
	// Close butonu bağımsız
	var closeButton = createCloseButton();
	closeButton.x = bg.x + modalWidth / 2 - closeButton.width / 2 - 205;
	closeButton.y = bg.y - modalHeight / 2 + closeButton.height / 2 + 195;
	closeButton.on('down', function () {
		game.removeChild(recordsContainer);
		game.removeChild(closeButton);
		// Enable menu interaction when modal is closed
		menuOpen = true;
		menuContainer.visible = true;
	});
	game.addChild(closeButton);
}
/**** 
* End Game & Reset Functions
****/ 
function endGame() {
	LK.effects.flashScreen(0xFF0000, 500);
	character.velocityY = character.jumpStrength;
	character.update = function () {
		if (gameOver) {
			character.velocityY += character.gravity;
			character.y += character.velocityY;
			if (character.y > groundY + character.height) {
				character.y = groundY + character.height;
				character.velocityY = 0;
			}
		}
	};
	game.children.forEach(function (child) {
		if (child.velocityX) {
			child.velocityX = 0;
		}
	});
	game.touchDisabled = true;
	lastScore = passCounter;
	records.push({
		score: passCounter,
		attempt: records.length + 1
	});
	records.sort(function (a, b) {
		return b.score - a.score;
	});
	if (records.length > 5) {
		records = records.slice(0, 5);
	}
	LK.setTimeout(function () {
		game.touchDisabled = false;
		menuOpen = true;
		menuContainer.visible = true;
		var startY = groundY + 100;
		var endY = centerY() - 1270;
		var animationDuration = 16.5 * 5 / 1.5;
		var startTime = Date.now();
		function animateMenu() {
			var currentTime = Date.now();
			var elapsedTime = currentTime - startTime;
			var progress = Math.min(elapsedTime / animationDuration, 1);
			menuContainer.y = startY + (endY - startY) * progress;
			if (progress < 1) {
				LK.setTimeout(animateMenu, 16);
			}
		}
		animateMenu();
	}, 1700);
	LK.setTimeout(function () {
		resetGame();
	}, 1750);
}
function resetGame() {
	if (gameOverText) {
		game.removeChild(gameOverText);
		gameOverText = null;
	}
	// Flip'i eski hâline döndür
	unflipWorld();
	var objectsToRemove = [];
	game.children.forEach(function (child) {
		if (child instanceof Tree || child instanceof Tube) {
			objectsToRemove.push(child);
		}
	});
	objectsToRemove.forEach(function (obj) {
		game.removeChild(obj);
	});
	game.removeChild(character);
	character = game.addChild(new Character());
	character.x = centerX();
	character.y = groundY / 2;
	gameStarted = false;
	gameOver = false;
	character.preventDeath = false; // Reset preventDeath flag
	underscoreAsset.preventDeath = false; // Reset preventDeath flag for underscore asset
	lastSpawner = null;
	passCounter = 0;
	counterText.setText(passCounter);
}
/**** 
* Eliptik hit testi için yardımcı fonksiyon
****/ 
function checkEllipseHover(button, lx, ly) {
	var scaleFactorX = 1;
	var scaleFactorY = 0.53;
	var offsetY = 40;
	var dx = lx - button.x;
	var dy = ly - (button.y + offsetY);
	var rx = button.width / 2 * scaleFactorX;
	var ry = button.height / 2 * scaleFactorY;
	return dx * dx / (rx * rx) + dy * dy / (ry * ry) <= 1;
}
/**** 
* Fare hareketinde hover kontrolü
****/ 
game.move = function (x, y, obj) {
	if (!menuOpen) {
		return;
	} // Modal açıkken hover efekti çalışmasın.
	var localX = x - menuContainer.x;
	var localY = y - menuContainer.y;
	playButton.visible = checkEllipseHover(playButton, localX, localY);
	volumeButton.visible = checkEllipseHover(volumeButton, localX, localY);
	creditsButton.visible = checkEllipseHover(creditsButton, localX, localY);
	recordsButton.visible = checkEllipseHover(recordsButton, localX, localY);
};
/**** 
* Touch Event
****/ 
game.down = function (x, y, obj) {
	if (menuOpen) {
		var localX = x - menuContainer.x;
		var localY = y - menuContainer.y;
		if (checkEllipseHover(playButton, localX, localY)) {
			var _animateMenu = function animateMenu() {
				var currentTime = Date.now();
				var elapsedTime = currentTime - startTime;
				var progress = Math.min(elapsedTime / animationDuration, 1);
				menuContainer.y = startY + (endY - startY) * progress;
				if (progress < 1) {
					LK.setTimeout(_animateMenu, 1);
				} else {
					menuOpen = false;
					menuContainer.visible = false;
					gameWait = true;
				}
			};
			var animationDuration = 16.5 * 5 * 2 / 1.5;
			var startTime = Date.now();
			var startY = menuContainer.y;
			var endY = centerY() + 100;
			_animateMenu();
			return;
		} else if (checkEllipseHover(volumeButton, localX, localY)) {
			showVolume();
		} else if (checkEllipseHover(creditsButton, localX, localY)) {
			showCredits();
		} else if (checkEllipseHover(recordsButton, localX, localY)) {
			showRecords();
		}
		return;
	} else if (gameOver) {
		if (!game.touchDisabled) {
			menuOpen = true;
			menuContainer.visible = true;
			resetGame();
		}
	} else {
		if (gameWait) {
			gameWait = false;
			gameStarted = true;
			var initialTube = new Tube();
			game.addChild(initialTube);
			lastSpawner = initialTube;
			character.jump();
		} else {
			character.jump();
			character.rotation = 0.1;
			LK.setTimeout(function () {
				character.rotation = 0;
			}, 200);
		}
	}
};
/**** 
* Game Loop
****/ 
game.update = function () {
	game.children.forEach(function (child) {
		if (child.update) {
			child.update();
		}
	});
	game.children.sort(function (a, b) {
		return (a.zIndex || 0) - (b.zIndex || 0);
	});
};

===================================================================
--- original.js
+++ change.js
@@ -20,10 +20,12 @@
 			self.y += self.velocityY;
 			if (self.y > groundY - 100) {
 				self.y = groundY - 100;
 				self.velocityY = 0;
-				gameOver = true;
-				endGame();
+				if (!self.intersects(underscoreAsset) && !self.preventDeath) {
+					gameOver = true;
+					endGame();
+				}
 			}
 			var characterLeft = self.x - self.width / 2;
 			var characterRight = self.x + self.width / 2;
 			var characterTop = self.y - self.height / 2;
@@ -742,8 +744,9 @@
 	character.y = groundY / 2;
 	gameStarted = false;
 	gameOver = false;
 	character.preventDeath = false; // Reset preventDeath flag
+	underscoreAsset.preventDeath = false; // Reset preventDeath flag for underscore asset
 	lastSpawner = null;
 	passCounter = 0;
 	counterText.setText(passCounter);
 }