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

/**** 
* Game Code
****/ 
var gridSize = 20;
var wallTiles = [];
var floorTiles = [];
var selectedTile;
var tileOriginalColor;
var isGameStarted = false;
// Create a 2D array to represent the grid
var grid = new Array(gridSize * gridSize);
for (var i = 0; i < gridSize * gridSize; i++) {
	var x = i % gridSize;
	var y = Math.floor(i / gridSize);
	var tile;
	if (x === 0 || y === 0 || x === gridSize - 1 || y === gridSize - 1) {
		tile = LK.getAsset('wallTile', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: x * 100 + (2048 - gridSize * 100) / 2,
			y: y * 100 + (2732 - gridSize * 100) / 2
		});
		wallTiles.push(tile);
	} else {
		tile = LK.getAsset('floorTile', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: x * 100 + (2048 - gridSize * 100) / 2,
			y: y * 100 + (2732 - gridSize * 100) / 2
		});
		floorTiles.push(tile);
	}
	game.addChild(tile);
	grid[i] = tile;
}
// Select a random wall tile and replace it with a hole tile
var randomWallTileIndex = Math.floor(Math.random() * wallTiles.length);
var randomWallTile = wallTiles[randomWallTileIndex];
var holeTile = LK.getAsset('holeTile', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: randomWallTile.x,
	y: randomWallTile.y
});
game.addChild(holeTile);
game.removeChild(randomWallTile);
wallTiles[randomWallTileIndex] = holeTile;
// Create a mask and add it to the game
var mask = LK.getAsset('mask', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2,
	alpha: 1
});
game.addChild(mask);
// Create a boolean variable to track the game state
var isGameStarted = false;
// Create a fade in effect for the mask
LK.on('tick', function () {
	if (mask.alpha > 0) {
		mask.alpha -= 0.01;
	} else {
		// Once the fade ends, switch the game state to true and call an event called On game start
		isGameStarted = true;
		game.emit('On game start');
		// Remove the tick event listener
		LK.off('tick');
	}
});
// Add event listener for touch events;
var selectedTile;
var originalColor;
game.on('down', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	var x = Math.floor((pos.x - (2048 - gridSize * 100) / 2) / 100);
	var y = Math.floor((pos.y - (2732 - gridSize * 100) / 2) / 100);
	if (selectedTile) {
		selectedTile.tint = tileOriginalColor; // Restore the original color of the previously selected tile
	}
	if (x >= 0 && x < gridSize && y >= 0 && y < gridSize) {
		var index = y * gridSize + x;
		if (floorTiles.includes(grid[index])) {
			selectedTile = grid[index];
			tileOriginalColor = selectedTile.tint;
			selectedTile.tint = 0xeaf23; // Highlight the selected tile in yellow
		}
	}
});

===================================================================
--- original.js
+++ change.js
@@ -11,9 +11,9 @@
 var gridSize = 20;
 var wallTiles = [];
 var floorTiles = [];
 var selectedTile;
-var originalColor;
+var tileOriginalColor;
 var isGameStarted = false;
 // Create a 2D array to represent the grid
 var grid = new Array(gridSize * gridSize);
 for (var i = 0; i < gridSize * gridSize; i++) {
@@ -82,15 +82,15 @@
 	var pos = obj.event.getLocalPosition(game);
 	var x = Math.floor((pos.x - (2048 - gridSize * 100) / 2) / 100);
 	var y = Math.floor((pos.y - (2732 - gridSize * 100) / 2) / 100);
 	if (selectedTile) {
-		selectedTile.tint = originalColor; // Restore the original color of the previously selected tile
+		selectedTile.tint = tileOriginalColor; // Restore the original color of the previously selected tile
 	}
 	if (x >= 0 && x < gridSize && y >= 0 && y < gridSize) {
 		var index = y * gridSize + x;
 		if (floorTiles.includes(grid[index])) {
 			selectedTile = grid[index];
-			originalColor = selectedTile.tint;
+			tileOriginalColor = selectedTile.tint;
 			selectedTile.tint = 0xeaf23; // Highlight the selected tile in yellow
 		}
 	}
 });
\ No newline at end of file