/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");
var storage = LK.import("@upit/storage.v1", {
	best: 0
});

/**** 
* Classes
****/ 
// Fuel class
var Fuel = Container.expand(function () {
	var self = Container.call(this);
	var fuelGfx = self.attachAsset('fuel', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = fuelGfx.width;
	self.height = fuelGfx.height;
	self.update = function () {
		// Movement handled in game.update
	};
	return self;
});
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obsGfx = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = obsGfx.width;
	self.height = obsGfx.height;
	self.update = function () {
		// Movement handled in game.update
	};
	return self;
});
// Rocket class
var Rocket = Container.expand(function () {
	var self = Container.call(this);
	var rocketGfx = self.attachAsset('rocket', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = rocketGfx.width;
	self.height = rocketGfx.height;
	self.fuel = 100; // percent
	self.alive = true;
	self.update = function () {
		// Nothing here, movement handled in game.update
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Explosion effect (for flash)
// Obstacle
// Fuel
// Rocket (player)
// --- Global variables ---
var rocket;
var fuels = [];
var obstacles = [];
var dragStartX = null;
var dragRocketStartX = null;
var isDragging = false;
var fuelTimer = 0;
var obstacleTimer = 0;
var distance = 0;
// var best = typeof storage.best === "number" && storage.best > 0 ? storage.best : 0;
var fuelDepleteRate = 0.18; // per tick
var rocketSpeed = 8; // px per tick (vertical)
var fuelSpawnInterval = 90; // ticks
var obstacleSpawnInterval = 110; // ticks
var minX = 100,
	maxX = 2048 - 100;
var minY = 200,
	maxY = 2732 - 200;
var fuelMax = 100;
var fuelAmount = fuelMax * 0.2; // Yakıt toplandığında %20 doldurur
var gameStarted = false;
// --- UI ---
var distanceTxt = new Text2('0 m', {
	size: 90,
	fill: 0xFFFFFF
});
distanceTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(distanceTxt);
// Best score UI removed
// Fuel bar (simple text)
var fuelTxt = new Text2('Yakıt: 100%', {
	size: 60,
	fill: 0x44DDEE
});
fuelTxt.anchor.set(0.5, 0);
// Place fuelTxt below distanceTxt (metre göstergesinin altında)
LK.gui.top.addChild(fuelTxt);
fuelTxt.y = distanceTxt.height + 10;
// (bestTxt positioning removed)
// --- Helper functions ---
function resetGame() {
	// Remove old objects
	if (rocket) rocket.destroy();
	for (var i = 0; i < fuels.length; ++i) fuels[i].destroy();
	for (var i = 0; i < obstacles.length; ++i) obstacles[i].destroy();
	fuels = [];
	obstacles = [];
	// Reset variables
	distance = 0;
	fuelTimer = 0;
	obstacleTimer = 0;
	// (best score logic removed)
	// Create rocket
	rocket = new Rocket();
	rocket.x = 2048 / 2;
	rocket.y = 2732 - 350;
	game.addChild(rocket);
	rocket.fuel = 100;
	rocket.alive = true;
	gameStarted = true;
	updateUI();
}
function updateUI() {
	distanceTxt.setText(Math.floor(distance) + ' m');
	fuelTxt.setText('Fuel: ' + Math.max(0, Math.floor(rocket ? rocket.fuel : 0)) + '%');
}
// --- Input (drag to move rocket) ---
game.down = function (x, y, obj) {
	if (!rocket || !rocket.alive) return;
	isDragging = true;
	dragStartX = x;
	dragRocketStartX = rocket.x;
};
game.move = function (x, y, obj) {
	if (!rocket || !rocket.alive) return;
	if (isDragging) {
		var dx = x - dragStartX;
		rocket.x = Math.max(minX, Math.min(maxX, dragRocketStartX + dx));
	}
};
game.up = function (x, y, obj) {
	isDragging = false;
};
// --- Main game loop ---
game.update = function () {
	if (!rocket || !rocket.alive) return;
	// Move rocket up (rocket stays at same y, background moves down)
	// (Handled by moving all objects up, not down!)
	// Distance increases as if rocket is moving up
	distance += rocketSpeed / 6; // scale to meters
	// Speed up every 200 meters
	if (!rocket.lastSpeedupDistance) rocket.lastSpeedupDistance = 0;
	if (Math.floor(distance / 200) > Math.floor(rocket.lastSpeedupDistance / 200)) {
		rocketSpeed += 1.5;
		rocket.lastSpeedupDistance = distance;
	}
	updateUI();
	// Deplete fuel
	rocket.fuel -= fuelDepleteRate;
	if (rocket.fuel <= 0) {
		rocket.fuel = 0;
		rocket.alive = false;
		LK.effects.flashScreen(0xff0000, 800);
		LK.showGameOver();
		return;
	}
	// Move fuels and check collision
	for (var i = fuels.length - 1; i >= 0; --i) {
		var f = fuels[i];
		f.y += rocketSpeed; // move up relative to rocket (background moves down)
		if (f.y > maxY + 200) {
			f.destroy();
			fuels.splice(i, 1);
			continue;
		}
		if (rocket.intersects(f)) {
			rocket.fuel = Math.min(fuelMax, rocket.fuel + fuelAmount);
			f.destroy();
			fuels.splice(i, 1);
			// Small flash effect
			LK.effects.flashObject(rocket, 0x44ddee, 300);
			updateUI();
		}
	}
	// Move obstacles and check collision
	for (var i = obstacles.length - 1; i >= 0; --i) {
		var o = obstacles[i];
		o.y += rocketSpeed; // move up relative to rocket (background moves down)
		if (o.y > maxY + 200) {
			o.destroy();
			obstacles.splice(i, 1);
			continue;
		}
		if (rocket.intersects(o)) {
			// Only lose 10% fuel, don't die instantly
			var lostFuel = fuelMax * 0.10;
			rocket.fuel = Math.max(0, rocket.fuel - lostFuel);
			LK.effects.flashObject(rocket, 0xff4444, 400);
			// --- Rocket collision animation: shake horizontally ---
			// Stop any previous tweens on rocket.x
			tween.stop(rocket, {
				x: true
			});
			var originalX = rocket.x;
			// Animate shake: left, right, center
			tween(rocket, {
				x: originalX - 40
			}, {
				duration: 60,
				easing: tween.cubicOut,
				onFinish: function onFinish() {
					tween(rocket, {
						x: originalX + 40
					}, {
						duration: 90,
						easing: tween.cubicInOut,
						onFinish: function onFinish() {
							tween(rocket, {
								x: originalX
							}, {
								duration: 70,
								easing: tween.cubicIn
							});
						}
					});
				}
			});
			// --- End rocket collision animation ---
			obstacles.splice(i, 1);
			o.destroy();
			updateUI();
			// If fuel is now 0, trigger game over as normal
			if (rocket.fuel <= 0) {
				rocket.fuel = 0;
				rocket.alive = false;
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
				return;
			}
			continue;
		}
	}
	// Spawn fuel
	fuelTimer++;
	if (fuelTimer >= fuelSpawnInterval) {
		fuelTimer = 0;
		var f = new Fuel();
		f.x = Math.floor(minX + Math.random() * (maxX - minX));
		// Spawn above the visible screen, so they fall into view from the top
		f.y = rocket.y - 2732 / 2 - 200 - Math.random() * 300;
		game.addChild(f);
		fuels.push(f);
	}
	// Spawn obstacle
	obstacleTimer++;
	if (obstacleTimer >= obstacleSpawnInterval) {
		obstacleTimer = 0;
		var o = new Obstacle();
		o.x = Math.floor(minX + Math.random() * (maxX - minX));
		// Spawn above the visible screen, so they fall into view from the top
		o.y = rocket.y - 2732 / 2 - 400 - Math.random() * 400;
		game.addChild(o);
		obstacles.push(o);
	}
};
// --- Game over / win handling ---
LK.on('gameover', function () {
	gameStarted = false;
	updateUI();
	// (best score display removed)
	LK.setTimeout(function () {
		resetGame();
	}, 1200);
});
// --- Start game ---
resetGame();

===================================================================
--- original.js
+++ change.js