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

/**** 
* Classes
****/ 
// NumberButton: A tappable number on the board
var NumberButton = Container.expand(function () {
	var self = Container.call(this);
	// Attach circle background, always use btnSize for size and scaling
	var btnSize = 240; // unified button/box size (increased for bigger buttons)
	var circle = self.attachAsset('numberCircle', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: btnSize,
		height: btnSize,
		scaleX: btnSize / 220,
		scaleY: btnSize / 220
	});
	// Number text
	var numberText = new Text2('1', {
		size: 120,
		// increased for bigger buttons
		// This will be scaled with the button
		fill: 0xFFFFFF
	});
	numberText.anchor.set(0.5, 0.5);
	self.addChild(numberText);
	self.value = 1; // The number this button represents
	self.isActive = true; // If false, ignore taps
	self.setNumber = function (n) {
		self.value = n;
		numberText.setText(n);
	};
	self.flash = function (color, duration) {
		tween(circle, {
			tint: color
		}, {
			duration: duration / 2,
			easing: tween.easeIn,
			onFinish: function onFinish() {
				tween(circle, {
					tint: 0x2d9cdb
				}, {
					duration: duration / 2,
					easing: tween.easeOut
				});
			}
		});
	};
	// Touch/click event
	self.down = function (x, y, obj) {
		if (!self.isActive) return;
		if (typeof onNumberButtonPressed === "function") {
			onNumberButtonPressed(self);
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x181c20
});

/**** 
* Game Code
****/ 
// We'll use a simple circle as a background for each number for better touch targets.
// Numbers will be rendered as Text2, so no need for custom shapes or images for numbers.
// --- Game parameters ---
var boardPadding = 80;
var minNumbers = 15;
var maxNumbers = 15;
var level = 1;
var numbersOnBoard = minNumbers;
var timePerLevel = 15000; // ms
var timePenalty = 1500; // ms lost on wrong tap
var timeBonus = 500; // ms gained on perfect level
var maxLevel = 20;
// --- State ---
var numberButtons = [];
var nextNumber = 1;
var timer = null;
var timeLeft = timePerLevel;
var score = 0;
var isPlaying = false;
var lastTapTime = 0;
// --- UI ---
var scoreText = new Text2('Skor: 0', {
	size: 90,
	fill: "#fff"
});
scoreText.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreText);
var timerText = new Text2('Süre: 0', {
	size: 80,
	fill: 0xFFE066
});
timerText.anchor.set(0.5, 0);
LK.gui.top.addChild(timerText);
var levelText = new Text2('Seviye: 1', {
	size: 70,
	fill: 0xB8E994
});
levelText.anchor.set(0.5, 0);
LK.gui.top.addChild(levelText);
// Position GUI elements
scoreText.y = 30;
scoreText.x = LK.gui.top.width / 2;
timerText.y = scoreText.y + scoreText.height + 10;
timerText.x = LK.gui.top.width / 2;
levelText.y = timerText.y + timerText.height + 10;
levelText.x = LK.gui.top.width / 2;
// --- Functions ---
function shuffleArray(arr) {
	for (var i = arr.length - 1; i > 0; i--) {
		var j = Math.floor(Math.random() * (i + 1));
		var temp = arr[i];
		arr[i] = arr[j];
		arr[j] = temp;
	}
	return arr;
}
function layoutNumbers(n) {
	// Remove old buttons
	for (var i = 0; i < numberButtons.length; i++) {
		numberButtons[i].destroy();
	}
	numberButtons = [];
	// Remove old background if exists
	if (typeof numberRowBgBorder !== "undefined" && numberRowBgBorder && numberRowBgBorder.parent) {
		numberRowBgBorder.parent.removeChild(numberRowBgBorder);
		numberRowBgBorder.destroy();
	}
	numberRowBgBorder = null;
	if (typeof numberRowBg !== "undefined" && numberRowBg && numberRowBg.parent) {
		numberRowBg.parent.removeChild(numberRowBg);
		numberRowBg.destroy();
	}
	numberRowBg = null;
	// Make a smaller square background and border, centered
	var squareSize = Math.floor((Math.min(2048, 2732) - boardPadding * 2) * 0.7); // 70% of previous size
	var bgX = 2048 / 2;
	var bgY = 2732 / 2;
	// Add border: create a slightly larger square behind the main background
	var borderThickness = 14;
	numberRowBgBorder = LK.getAsset('numberCircle', {
		width: squareSize + borderThickness * 2,
		height: squareSize + borderThickness * 2,
		color: 0xffffff,
		// White border for visibility
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: (squareSize + borderThickness * 2) / 220,
		scaleY: (squareSize + borderThickness * 2) / 220,
		x: bgX,
		y: bgY
	});
	game.addChild(numberRowBgBorder);
	numberRowBg = LK.getAsset('numberCircle', {
		width: squareSize,
		height: squareSize,
		color: 0x222b38,
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: squareSize / 220,
		scaleY: squareSize / 220,
		x: bgX,
		y: bgY
	});
	game.addChild(numberRowBg);
	// Create a container to hold all numbers, centered in the square
	if (typeof numbersContainer !== "undefined" && numbersContainer && numbersContainer.parent) {
		numbersContainer.parent.removeChild(numbersContainer);
		numbersContainer.destroy();
	}
	numbersContainer = new Container();
	numbersContainer.x = bgX;
	numbersContainer.y = bgY;
	game.addChild(numbersContainer);
	// Layout numbers in a 5x3 table grid, all boxes the same size, with a visual empty box
	var cols = 5;
	var rows = 3;
	var btnSize = 240; // unified button/box size, used everywhere for NumberButton (increased for bigger buttons)
	var btnSpacing = 70; // space between all boxes
	var gridWidth = cols * btnSize + (cols - 1) * btnSpacing;
	var gridHeight = rows * btnSize + (rows - 1) * btnSpacing;
	var startX = -gridWidth / 2 + btnSize / 2;
	var startY = -gridHeight / 2 + btnSize / 2;
	var positions = [];
	for (var row = 0; row < rows; row++) {
		for (var col = 0; col < cols; col++) {
			positions.push({
				x: startX + col * (btnSize + btnSpacing),
				y: startY + row * (btnSize + btnSpacing)
			});
		}
	}
	// Decide which position will be empty (last one for now)
	var emptyIndex = positions.length - 1;
	// Shuffle numbers
	var nums = [];
	for (var i = 1; i <= n; i++) nums.push(i);
	shuffleArray(nums);
	// Place all numbers inside the single numbersContainer, no per-number backgrounds
	var numIdx = 0;
	for (var i = 0; i < positions.length; i++) {
		if (i === emptyIndex) {
			// Add a visual empty box
			var emptyBox = LK.getAsset('numberCircle', {
				anchorX: 0.5,
				anchorY: 0.5,
				width: btnSize,
				height: btnSize,
				scaleX: btnSize / 220,
				scaleY: btnSize / 220,
				x: positions[i].x,
				y: positions[i].y,
				color: 0x222b38,
				alpha: 0.25
			});
			numbersContainer.addChild(emptyBox);
			continue;
		}
		var btn = new NumberButton();
		btn.setNumber(nums[numIdx]);
		btn.x = positions[i].x;
		btn.y = positions[i].y;
		btn.isActive = true;
		btn.scaleX = 1;
		btn.scaleY = 1;
		numberButtons.push(btn);
		numbersContainer.addChild(btn);
		numIdx++;
	}
	// All numbers are now inside a single container (numbersContainer) which is inside the large square background.
}
function startLevel(lvl) {
	level = lvl;
	numbersOnBoard = Math.min(minNumbers + (level - 1) * 2, maxNumbers);
	nextNumber = 1;
	timeLeft = timePerLevel + Math.max(0, (level - 1) * 500); // Slightly more time for higher levels
	levelText.setText('Seviye: ' + level);
	layoutNumbers(numbersOnBoard);
	isPlaying = true;
	updateScoreText();
	updateTimerText();
}
function updateScoreText() {
	scoreText.setText('Skor: ' + score);
}
function updateTimerText() {
	timerText.setText('Süre: ' + Math.ceil(timeLeft / 1000));
}
function endGame(win) {
	isPlaying = false;
	// Remove all number buttons
	for (var i = 0; i < numberButtons.length; i++) {
		numberButtons[i].destroy();
	}
	numberButtons = [];
	// Show win/lose
	if (win) {
		LK.showYouWin();
	} else {
		LK.showGameOver();
	}
}
function onNumberButtonPressed(btn) {
	if (!isPlaying) return;
	if (!btn.isActive) return;
	// --- No swap logic needed, just process number tap ---
	if (btn.value === nextNumber) {
		// Correct
		btn.isActive = false;
		btn.flash(0x6fcf97, 300);
		tween(btn, {
			scaleX: 1.2,
			scaleY: 1.2,
			alpha: 0
		}, {
			duration: 250,
			easing: tween.easeOut,
			onFinish: function onFinish() {
				btn.destroy();
			}
		});
		nextNumber++;
		score += 10 + Math.max(0, 5 * (level - 1));
		updateScoreText();
		if (nextNumber > numbersOnBoard) {
			// Level complete
			isPlaying = false;
			// Bonus for perfect
			timeLeft += timeBonus;
			LK.setTimeout(function () {
				if (level >= maxLevel) {
					endGame(true);
				} else {
					startLevel(level + 1);
				}
			}, 600);
		}
	} else {
		// Wrong
		btn.flash(0xeb5757, 400);
		timeLeft -= timePenalty;
		LK.effects.flashObject(btn, 0xeb5757, 300);
		if (timeLeft < 0) {
			timeLeft = 0;
		}
		updateTimerText();
	}
}
// --- Game event handlers ---
game.update = function () {
	if (!isPlaying) return;
	// Timer
	timeLeft -= 1000 / 60;
	if (timeLeft < 0) timeLeft = 0;
	updateTimerText();
	if (timeLeft <= 0) {
		endGame(false);
	}
};
// --- Start game ---
function startGame() {
	score = 0;
	level = 1;
	startLevel(level);
	updateScoreText();
	updateTimerText();
}
startGame();
// --- Touch handling for drag-and-slide of individual number buttons ---
var dragButton = null;
var dragStartX = 0;
var dragStartY = 0;
var dragBtnStartX = 0;
var dragBtnStartY = 0;
// Helper: find the NumberButton under a given (x, y) in numbersContainer local space
function getButtonAtPoint(x, y) {
	for (var i = 0; i < numberButtons.length; i++) {
		var btn = numberButtons[i];
		// Convert global (x, y) to numbersContainer local
		var local = numbersContainer.toLocal({
			x: x,
			y: y
		});
		var bx = btn.x,
			by = btn.y;
		var half = btnSize / 2;
		if (local.x >= bx - half && local.x <= bx + half && local.y >= by - half && local.y <= by + half) {
			return btn;
		}
	}
	return null;
}
// Only allow sliding if game is playing
game.down = function (x, y, obj) {
	if (!isPlaying) return;
	// Convert to numbersContainer local
	var local = numbersContainer.toLocal({
		x: x,
		y: y
	});
	var btn = getButtonAtPoint(x, y);
	if (btn && btn.isActive) {
		dragButton = btn;
		dragStartX = x;
		dragStartY = y;
		dragBtnStartX = btn.x;
		dragBtnStartY = btn.y;
	}
};
game.move = function (x, y, obj) {
	if (!isPlaying) return;
	if (!dragButton) return;
	// Only allow drag if still inside numbersContainer
	var dx = x - dragStartX;
	var dy = y - dragStartY;
	// Only allow drag if movement is significant (avoid accidental tap)
	if (Math.abs(dx) > 10 || Math.abs(dy) > 10) {
		// Move the button visually
		dragButton.x = dragBtnStartX + dx;
		dragButton.y = dragBtnStartY + dy;
	}
};
game.up = function (x, y, obj) {
	if (!dragButton) return;
	// On release, snap to nearest empty box or nearest grid position
	// Find the closest empty box position (the one with alpha < 1 in numbersContainer)
	var minDist = 999999,
		targetX = dragBtnStartX,
		targetY = dragBtnStartY;
	for (var i = 0; i < numbersContainer.children.length; i++) {
		var child = numbersContainer.children[i];
		if (child.alpha && child.alpha < 1) {
			// This is the empty box
			var dx = dragButton.x - child.x;
			var dy = dragButton.y - child.y;
			var dist = dx * dx + dy * dy;
			if (dist < minDist) {
				minDist = dist;
				targetX = child.x;
				targetY = child.y;
			}
		}
	}
	// If close enough to empty box, swap positions
	if (minDist < btnSize * btnSize) {
		// Animate snap
		var oldX = dragButton.x,
			oldY = dragButton.y;
		tween(dragButton, {
			x: targetX,
			y: targetY
		}, {
			duration: 120,
			easing: tween.easeOut
		});
		// Move empty box to old position
		for (var i = 0; i < numbersContainer.children.length; i++) {
			var child = numbersContainer.children[i];
			if (child.alpha && child.alpha < 1) {
				child.x = dragBtnStartX;
				child.y = dragBtnStartY;
				break;
			}
		}
	} else {
		// Snap back to original
		tween(dragButton, {
			x: dragBtnStartX,
			y: dragBtnStartY
		}, {
			duration: 120,
			easing: tween.easeOut
		});
	}
	dragButton = null;
};
// --- Storage (for future highscore etc.) ---
// Not implemented in MVP
// --- Music/Sound ---
// Not implemented in MVP
// --- End of file ---

===================================================================
--- original.js
+++ change.js
@@ -337,70 +337,116 @@
 	updateScoreText();
 	updateTimerText();
 }
 startGame();
-// --- Touch handling ---
-// All handled by NumberButton.down
-// --- Horizontal sliding/swipe logic for number row ---
-var isDraggingRow = false;
+// --- Touch handling for drag-and-slide of individual number buttons ---
+var dragButton = null;
 var dragStartX = 0;
-var rowStartX = 0;
-// Helper: get min/max X of all buttons
-function getRowBounds() {
-	if (numberButtons.length === 0) return {
-		min: 0,
-		max: 0
-	};
-	var minX = numberButtons[0].x,
-		maxX = numberButtons[0].x;
-	for (var i = 1; i < numberButtons.length; i++) {
-		if (numberButtons[i].x < minX) minX = numberButtons[i].x;
-		if (numberButtons[i].x > maxX) maxX = numberButtons[i].x;
+var dragStartY = 0;
+var dragBtnStartX = 0;
+var dragBtnStartY = 0;
+// Helper: find the NumberButton under a given (x, y) in numbersContainer local space
+function getButtonAtPoint(x, y) {
+	for (var i = 0; i < numberButtons.length; i++) {
+		var btn = numberButtons[i];
+		// Convert global (x, y) to numbersContainer local
+		var local = numbersContainer.toLocal({
+			x: x,
+			y: y
+		});
+		var bx = btn.x,
+			by = btn.y;
+		var half = btnSize / 2;
+		if (local.x >= bx - half && local.x <= bx + half && local.y >= by - half && local.y <= by + half) {
+			return btn;
+		}
 	}
-	return {
-		min: minX,
-		max: maxX
-	};
+	return null;
 }
 // Only allow sliding if game is playing
 game.down = function (x, y, obj) {
 	if (!isPlaying) return;
-	// Only start drag if touch is on the row area
-	var rowY = numberButtons.length > 0 ? numberButtons[0].y : 0;
-	if (Math.abs(y - rowY) < 180) {
-		isDraggingRow = true;
+	// Convert to numbersContainer local
+	var local = numbersContainer.toLocal({
+		x: x,
+		y: y
+	});
+	var btn = getButtonAtPoint(x, y);
+	if (btn && btn.isActive) {
+		dragButton = btn;
 		dragStartX = x;
-		rowStartX = numberButtons.length > 0 ? numberButtons[0].x : 0;
+		dragStartY = y;
+		dragBtnStartX = btn.x;
+		dragBtnStartY = btn.y;
 	}
 };
 game.move = function (x, y, obj) {
 	if (!isPlaying) return;
-	if (!isDraggingRow) return;
+	if (!dragButton) return;
+	// Only allow drag if still inside numbersContainer
 	var dx = x - dragStartX;
-	// Move all buttons horizontally
-	for (var i = 0; i < numberButtons.length; i++) {
-		numberButtons[i].x = rowStartX + dx + i * (btnSize + btnSpacing);
+	var dy = y - dragStartY;
+	// Only allow drag if movement is significant (avoid accidental tap)
+	if (Math.abs(dx) > 10 || Math.abs(dy) > 10) {
+		// Move the button visually
+		dragButton.x = dragBtnStartX + dx;
+		dragButton.y = dragBtnStartY + dy;
 	}
-	// Prevent row from sliding out of bounds
-	var bounds = getRowBounds();
-	var leftLimit = boardPadding + 110;
-	var rightLimit = 2048 - boardPadding - 110;
-	if (bounds.min < leftLimit) {
-		var offset = leftLimit - bounds.min;
-		for (var i = 0; i < numberButtons.length; i++) {
-			numberButtons[i].x += offset;
+};
+game.up = function (x, y, obj) {
+	if (!dragButton) return;
+	// On release, snap to nearest empty box or nearest grid position
+	// Find the closest empty box position (the one with alpha < 1 in numbersContainer)
+	var minDist = 999999,
+		targetX = dragBtnStartX,
+		targetY = dragBtnStartY;
+	for (var i = 0; i < numbersContainer.children.length; i++) {
+		var child = numbersContainer.children[i];
+		if (child.alpha && child.alpha < 1) {
+			// This is the empty box
+			var dx = dragButton.x - child.x;
+			var dy = dragButton.y - child.y;
+			var dist = dx * dx + dy * dy;
+			if (dist < minDist) {
+				minDist = dist;
+				targetX = child.x;
+				targetY = child.y;
+			}
 		}
 	}
-	if (bounds.max > rightLimit) {
-		var offset = rightLimit - bounds.max;
-		for (var i = 0; i < numberButtons.length; i++) {
-			numberButtons[i].x += offset;
+	// If close enough to empty box, swap positions
+	if (minDist < btnSize * btnSize) {
+		// Animate snap
+		var oldX = dragButton.x,
+			oldY = dragButton.y;
+		tween(dragButton, {
+			x: targetX,
+			y: targetY
+		}, {
+			duration: 120,
+			easing: tween.easeOut
+		});
+		// Move empty box to old position
+		for (var i = 0; i < numbersContainer.children.length; i++) {
+			var child = numbersContainer.children[i];
+			if (child.alpha && child.alpha < 1) {
+				child.x = dragBtnStartX;
+				child.y = dragBtnStartY;
+				break;
+			}
 		}
+	} else {
+		// Snap back to original
+		tween(dragButton, {
+			x: dragBtnStartX,
+			y: dragBtnStartY
+		}, {
+			duration: 120,
+			easing: tween.easeOut
+		});
 	}
+	dragButton = null;
 };
-game.up = function (x, y, obj) {
-	isDraggingRow = false;
-};
 // --- Storage (for future highscore etc.) ---
 // Not implemented in MVP
 // --- Music/Sound ---
 // Not implemented in MVP