/**** 
* Classes
****/ 
// Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletAsset = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = bulletAsset.width / 2;
	self.vx = 0;
	self.vy = 0;
	self.lastX = 0;
	self.lastY = 0;
	self.update = function () {
		self.lastX = self.x;
		self.lastY = self.y;
		self.x += self.vx;
		self.y += self.vy;
		// Rotate bullet to match its direction
		if (self.vx !== 0 || self.vy !== 0) {
			bulletAsset.rotation = Math.atan2(self.vy, self.vx);
		}
		// Wall bounce
		if (self.x - self.radius <= ARENA_X && self.lastX - self.radius > ARENA_X) {
			self.x = ARENA_X + self.radius;
			self.vx *= -1;
		}
		if (self.x + self.radius >= ARENA_X + ARENA_SIZE && self.lastX + self.radius < ARENA_X + ARENA_SIZE) {
			self.x = ARENA_X + ARENA_SIZE - self.radius;
			self.vx *= -1;
		}
		if (self.y - self.radius <= ARENA_Y && self.lastY - self.radius > ARENA_Y) {
			self.y = ARENA_Y + self.radius;
			self.vy *= -1;
		}
		if (self.y + self.radius >= ARENA_Y + ARENA_SIZE && self.lastY + self.radius < ARENA_Y + ARENA_SIZE) {
			self.y = ARENA_Y + ARENA_SIZE - self.radius;
			self.vy *= -1;
		}
	};
	return self;
});
// Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obsAsset = self.attachAsset('obstacle', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.width = obsAsset.width;
	self.height = obsAsset.height;
	// Crack state: 0 = no crack, 1 = small crack, 2 = big crack, 3 = broken
	self.crackLevel = 0;
	self.crackAsset = null;
	// Show crack overlay
	self.showCrack = function (level) {
		// Remove previous crack asset if any
		if (self.crackAsset) {
			self.crackAsset.destroy();
			self.crackAsset = null;
		}
		if (level === 1) {
			// Small crack
			self.crackAsset = self.attachAsset('obstacle_crack1', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else if (level === 2) {
			// Big crack
			self.crackAsset = self.attachAsset('obstacle_crack2', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		}
		// If level 0 or 3, no crack overlay
	};
	// Break wall (remove from game)
	self.breakWall = function () {
		// Play break sound
		var breakSound = LK.getSound && LK.getSound('break');
		if (breakSound) {
			breakSound.play();
		}
		// Remove crack asset if any
		if (self.crackAsset) {
			self.crackAsset.destroy();
			self.crackAsset = null;
		}
		// Remove self from game
		self.destroy();
	};
	return self;
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerAsset = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = playerAsset.width / 2;
	return self;
});
// Target class
var Target = Container.expand(function () {
	var self = Container.call(this);
	var targetAsset = self.attachAsset('target', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.radius = targetAsset.width / 2;
	return self;
});

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

/**** 
* Game Code
****/ 
// Wall break sound
// Big crack overlay
// Small crack overlay
// Add background image to the game scene
var backgroundImg = LK.getAsset('background', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0,
	width: 2048,
	height: 2732
});
game.addChild(backgroundImg);
// Arena and gameplay variables
var ARENA_SIZE = 1800; // Square arena, fits well in 2048x2732
var ARENA_X = (2048 - ARENA_SIZE) / 2;
var ARENA_Y = (2732 - ARENA_SIZE) / 2;
// Add visible arena border using a white rectangle shape
var borderThickness = 16;
var borderColor = 0xffffff;
var arenaBorder = LK.getAsset('arenaBorder', {
	anchorX: 0,
	anchorY: 0,
	x: ARENA_X - borderThickness / 2,
	y: ARENA_Y - borderThickness / 2,
	width: ARENA_SIZE + borderThickness,
	height: ARENA_SIZE + borderThickness,
	color: borderColor,
	shape: 'box'
});
game.addChild(arenaBorder);
// Arena and gameplay variables
var ARENA_SIZE = 1800; // Square arena, fits well in 2048x2732
var ARENA_X = (2048 - ARENA_SIZE) / 2;
var ARENA_Y = (2732 - ARENA_SIZE) / 2;
var player = null;
var target = null;
var bullets = [];
var obstacles = [];
var level = 1;
var isAiming = false;
var aimLine = null;
var aimStart = null;
var aimEnd = null;
// Store X positions for each level so they are consistent on restart
var levelPositions = {};
function setupLevel(lvl) {
	// Always ensure arena border is above background and below gameplay elements
	if (arenaBorder && arenaBorder.parent) {
		arenaBorder.parent.removeChild(arenaBorder);
	}
	game.addChild(arenaBorder);
	// Clear previous
	if (player) {
		player.destroy();
	}
	if (target) {
		target.destroy();
	}
	for (var i = 0; i < bullets.length; ++i) {
		bullets[i].destroy();
	}
	bullets = [];
	for (var i = 0; i < obstacles.length; ++i) {
		obstacles[i].destroy();
	}
	obstacles = [];
	// Player at random X along bottom, but keep same X for same level
	player = new Player();
	var playerMinX = ARENA_X + player.radius + 60;
	var playerMaxX = ARENA_X + ARENA_SIZE - player.radius - 60;
	if (!levelPositions[lvl]) {
		levelPositions[lvl] = {};
		levelPositions[lvl].playerX = playerMinX + Math.random() * (playerMaxX - playerMinX);
	}
	player.x = levelPositions[lvl].playerX;
	player.y = ARENA_Y + ARENA_SIZE - 120;
	game.addChild(player);
	// Set player asset rotation to default (facing up)
	if (typeof player.children !== "undefined" && player.children.length > 0) {
		var playerAsset = player.children[0];
		playerAsset.rotation = -Math.PI / 2;
	}
	// Target at random X along top, but keep same X for same level
	target = new Target();
	var targetMinX = ARENA_X + target.radius + 60;
	var targetMaxX = ARENA_X + ARENA_SIZE - target.radius - 60;
	if (!levelPositions[lvl].targetX) {
		levelPositions[lvl].targetX = targetMinX + Math.random() * (targetMaxX - targetMinX);
	}
	target.x = levelPositions[lvl].targetX;
	target.y = ARENA_Y + 120;
	game.addChild(target);
	// Obstacles for level > 1
	if (lvl > 1) {
		var obsCount = Math.min(lvl - 1, 10);
		// Store obstacle positions for each level so they remain the same on restart
		if (!levelPositions[lvl].obstacles) {
			levelPositions[lvl].obstacles = [];
			for (var i = 0; i < obsCount; ++i) {
				// Distribute obstacles at different positions, not just center
				// Alternate between left, right, and center, and randomize Y
				var obsDummy = new Obstacle();
				var posType = i % 3;
				var margin = 200;
				var xPos;
				var maxTries = 20;
				var tryCount = 0;
				do {
					if (posType === 0) {
						// Left third
						xPos = ARENA_X + margin + obsDummy.width / 2 + Math.random() * (ARENA_SIZE / 3 - margin - obsDummy.width);
					} else if (posType === 1) {
						// Right third
						xPos = ARENA_X + 2 * ARENA_SIZE / 3 + margin + obsDummy.width / 2 + Math.random() * (ARENA_SIZE / 3 - margin - obsDummy.width);
					} else {
						// Center third
						xPos = ARENA_X + ARENA_SIZE / 3 + margin + obsDummy.width / 2 + Math.random() * (ARENA_SIZE / 3 - 2 * margin - obsDummy.width);
					}
					tryCount++;
					// Avoid same X as player or target (±1 px tolerance)
				} while ((Math.abs(xPos - levelPositions[lvl].playerX) < obsDummy.width || Math.abs(xPos - levelPositions[lvl].targetX) < obsDummy.width) && tryCount < maxTries);
				// Y position: spread vertically, but randomize a bit
				var yBase = ARENA_Y + ARENA_SIZE / (obsCount + 1) * (i + 1);
				var yRand = Math.random() * 120 - 60; // -60 to +60 px
				var yPos = yBase + yRand;
				levelPositions[lvl].obstacles.push({
					x: xPos,
					y: yPos
				});
				obsDummy.destroy();
			}
		}
		for (var i = 0; i < levelPositions[lvl].obstacles.length; ++i) {
			var obs = new Obstacle();
			obs.x = levelPositions[lvl].obstacles[i].x;
			obs.y = levelPositions[lvl].obstacles[i].y;
			game.addChild(obs);
			obstacles.push(obs);
		}
	}
}
setupLevel(level);
// Level counter text
var levelTxt = new Text2('Level: ' + level, {
	size: 100,
	fill: 0xFFFFFF
});
levelTxt.anchor.set(0.5, 0);
// Place at top center, but not in the top left 100x100 area
LK.gui.top.addChild(levelTxt);
// Add a button to restart the current level (without resetting level number)
var retryBtn = new Text2('↺', {
	size: 80,
	fill: 0xFFFFFF
});
retryBtn.anchor.set(0.5, 0.5);
// Place at top left, just below the restart button, still below the 100x100 reserved area
retryBtn.x = 550;
retryBtn.y = 120;
retryBtn.interactive = true;
retryBtn.buttonMode = true;
retryBtn.down = function (x, y, obj) {
	setupLevel(level);
	if (levelTxt) {
		levelTxt.setText('Level: ' + level);
	}
};
LK.gui.top.addChild(retryBtn);
// Aiming and shooting
game.down = function (x, y, obj) {
	// Only allow aiming if no bullet is in play
	if (bullets.length === 0) {
		isAiming = true;
		aimStart = {
			x: player.x,
			y: player.y
		};
		aimEnd = {
			x: x,
			y: y
		};
	}
};
game.move = function (x, y, obj) {
	if (isAiming) {
		aimEnd = {
			x: x,
			y: y
		};
		// Rotate player asset to match the aiming direction
		var dx = aimEnd.x - player.x;
		var dy = aimEnd.y - player.y;
		if (typeof player.children !== "undefined" && player.children.length > 0) {
			// playerAsset is the first child
			var playerAsset = player.children[0];
			playerAsset.rotation = Math.atan2(dy, dx);
		}
	}
};
game.up = function (x, y, obj) {
	if (isAiming) {
		// Fire bullet
		var dx = aimEnd.x - player.x;
		var dy = aimEnd.y - player.y;
		var len = Math.sqrt(dx * dx + dy * dy);
		if (len > 10) {
			var bullet = new Bullet();
			bullet.x = player.x;
			bullet.y = player.y;
			var speed = 30;
			bullet.vx = dx / len * speed;
			bullet.vy = dy / len * speed;
			bullets.push(bullet);
			game.addChild(bullet);
		}
		isAiming = false;
		aimStart = null;
		aimEnd = null;
		// Reset player asset rotation to default (facing up)
		if (typeof player.children !== "undefined" && player.children.length > 0) {
			var playerAsset = player.children[0];
			playerAsset.rotation = -Math.PI / 2;
		}
	}
};
// Main update loop
game.update = function () {
	// Draw aim line if aiming
	if (isAiming && aimStart && aimEnd) {
		if (!aimLine) {
			aimLine = LK.getAsset('aimLine', {
				anchorX: 0,
				anchorY: 0
			});
			game.addChild(aimLine);
		}
		// Set aimLine position and size
		var dx = aimEnd.x - aimStart.x;
		var dy = aimEnd.y - aimStart.y;
		var len = Math.sqrt(dx * dx + dy * dy);
		aimLine.x = aimStart.x;
		aimLine.y = aimStart.y;
		aimLine.width = len;
		aimLine.height = 10;
		aimLine.rotation = Math.atan2(dy, dx);
	} else if (aimLine) {
		aimLine.destroy();
		aimLine = null;
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; --i) {
		var b = bullets[i];
		b.update();
		// Check collision with target
		var dx = b.x - target.x;
		var dy = b.y - target.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist < b.radius + target.radius) {
			// Hit! Next level
			b.destroy();
			bullets.splice(i, 1);
			level += 1;
			setupLevel(level);
			if (levelTxt) {
				levelTxt.setText('Level: ' + level);
			}
			return;
		}
		// Check collision with obstacles
		for (var j = obstacles.length - 1; j >= 0; --j) {
			var obs = obstacles[j];
			var left = obs.x - obs.width / 2;
			var right = obs.x + obs.width / 2;
			var top = obs.y - obs.height / 2;
			var bottom = obs.y + obs.height / 2;
			// Simple AABB collision
			if (b.x + b.radius > left && b.x - b.radius < right && b.y + b.radius > top && b.y - b.radius < bottom) {
				// Reflect bullet: pick axis of minimum penetration
				var overlapX = Math.min(Math.abs(b.x + b.radius - left), Math.abs(b.x - b.radius - right));
				var overlapY = Math.min(Math.abs(b.y + b.radius - top), Math.abs(b.y - b.radius - bottom));
				if (overlapX < overlapY) {
					b.vx *= -1;
				} else {
					b.vy *= -1;
				}
				// Crack and break logic
				if (typeof obs.crackLevel === "undefined") {
					obs.crackLevel = 0;
				}
				obs.crackLevel++;
				if (obs.crackLevel === 1) {
					if (typeof obs.showCrack === "function") {
						obs.showCrack(1);
					}
				} else if (obs.crackLevel === 2) {
					if (typeof obs.showCrack === "function") {
						obs.showCrack(2);
					}
				} else if (obs.crackLevel >= 3) {
					if (typeof obs.breakWall === "function") {
						obs.breakWall();
					}
					obstacles.splice(j, 1);
				}
			}
		}
		// Remove bullet if out of arena for too long (failsafe)
		if (b.x < ARENA_X - 200 || b.x > ARENA_X + ARENA_SIZE + 200 || b.y < ARENA_Y - 200 || b.y > ARENA_Y + ARENA_SIZE + 200) {
			b.destroy();
			bullets.splice(i, 1);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -274,36 +274,17 @@
 });
 levelTxt.anchor.set(0.5, 0);
 // Place at top center, but not in the top left 100x100 area
 LK.gui.top.addChild(levelTxt);
-// Restart level button (restarts from level 1)
-var restartBtn = new Text2('↺', {
-	size: 100,
-	fill: 0xFFFFFF
-});
-restartBtn.anchor.set(0.5, 0.5);
-// Place at top left, just below the 100x100 reserved area for pause/menu
-restartBtn.x = 120;
-restartBtn.y = 120;
-restartBtn.interactive = true;
-restartBtn.buttonMode = true;
-restartBtn.down = function (x, y, obj) {
-	level = 1;
-	setupLevel(level);
-	if (levelTxt) {
-		levelTxt.setText('Level: ' + level);
-	}
-};
-LK.gui.top.addChild(restartBtn);
 // Add a button to restart the current level (without resetting level number)
-var retryBtn = new Text2('Tekrar', {
+var retryBtn = new Text2('↺', {
 	size: 80,
 	fill: 0xFFFFFF
 });
-retryBtn.anchor.set(0.5, 5);
+retryBtn.anchor.set(0.5, 0.5);
 // Place at top left, just below the restart button, still below the 100x100 reserved area
-retryBtn.x = 120;
-retryBtn.y = 250;
+retryBtn.x = 550;
+retryBtn.y = 120;
 retryBtn.interactive = true;
 retryBtn.buttonMode = true;
 retryBtn.down = function (x, y, obj) {
 	setupLevel(level);