var AI = function () { this.makeMove = function (board) { var validMoves = []; for (var x = 0; x < 8; x++) { for (var y = 0; y < 8; y++) { if (board[x][y].state === 'empty' && board[x][y].isValidMove(x, y, 'white', board)) { validMoves.push({ x: x, y: y }); } } } if (validMoves.length > 0) { var move = validMoves[Math.floor(Math.random() * validMoves.length)]; var tilesToFlip = board[move.x][move.y].isValidMove(move.x, move.y, 'white', board); if (tilesToFlip) { board[move.x][move.y].flip('white'); for (var k = 0; k < tilesToFlip.length; k++) { tilesToFlip[k].flip('white'); } playerTurn = 'black'; } } }; }; var TileCounter = Container.expand(function () { var self = Container.call(this); var blackTileCountText = new Text2('Black: 2', { size: 50, fill: "#ffffff" }); var whiteTileCountText = new Text2('White: 2', { size: 50, fill: "#ffffff" }); self.updateCounts = function (blackCount, whiteCount) { blackTileCountText.setText('Black: ' + blackCount); whiteTileCountText.setText('White: ' + whiteCount); }; blackTileCountText.y = 20; whiteTileCountText.y = 20; whiteTileCountText.x = 2048 - whiteTileCountText.width - 20; self.addChild(blackTileCountText); self.addChild(whiteTileCountText); }); var Tile = Container.expand(function () { var self = Container.call(this); var tileGraphics = self.createAsset('tile', 'Game Tile', .5, .5); self.state = 'empty'; self.isValidMove = function (x, y, player, board) { var opponent = player === 'black' ? 'white' : 'black'; var allTilesToFlip = []; var directions = [{ x: -1, y: 0 }, { x: 1, y: 0 }, { x: 0, y: -1 }, { x: 0, y: 1 }, { x: -1, y: -1 }, { x: -1, y: 1 }, { x: 1, y: -1 }, { x: 1, y: 1 }]; for (var i = 0; i < directions.length; i++) { var dir = directions[i]; var j = 1; var tilesToFlip = []; while (true) { var checkX = x + dir.x * j; var checkY = y + dir.y * j; if (checkX < 0 || checkX >= 8 || checkY < 0 || checkY >= 8) break; var checkTile = board[checkX][checkY]; if (checkTile.state === 'empty') break; if (checkTile.state === opponent) { tilesToFlip.push(checkTile); } else if (checkTile.state === player) { if (tilesToFlip.length > 0) { allTilesToFlip = allTilesToFlip.concat(tilesToFlip); } break; } j++; } } return allTilesToFlip.length > 0 ? allTilesToFlip : false; }; self.flip = function (newState) { self.state = newState; if (self.state === 'black') { self.createAsset('blackTile', 'Black Tile', .5, .5); } else if (self.state === 'white') { self.createAsset('whiteTile', 'White Tile', .5, .5); } }; }); var Game = Container.expand(function () { var self = Container.call(this); var board = []; var ai = new AI(); var playerTurn = 'black'; var gameOver = false; self.checkGameOver = function () { var blackMoves = self.getValidMoves('black'); var whiteMoves = self.getValidMoves('white'); if (blackMoves.length === 0 && whiteMoves.length === 0) { gameOver = true; var blackCount = 0, whiteCount = 0; for (var i = 0; i < 8; i++) { for (var j = 0; j < 8; j++) { if (board[i][j].state === 'black') blackCount++; if (board[i][j].state === 'white') whiteCount++; } } var winner = blackCount > whiteCount ? 'Black wins!' : whiteCount > blackCount ? 'White wins!' : 'Draw!'; var finalScore = 'Final score - Black: ' + blackCount + ' | White: ' + whiteCount; var scoreMessage = finalScore + '\n' + winner; LK.showGameOver(scoreMessage); } }; self.getValidMoves = function (playerColor) { var validMoves = []; for (var x = 0; x < 8; x++) { for (var y = 0; y < 8; y++) { if (board[x][y].state === 'empty' && board[x][y].isValidMove(x, y, playerColor, board)) { validMoves.push({ x: x, y: y }); } } } return validMoves; }; var tile = new Tile(); var boardWidth = 8 * tile.width; var boardHeight = 8 * tile.height; var boardStartX = (2048 - boardWidth) / 2; var boardStartY = (2732 - boardHeight) / 2; for (var i = 0; i < 8; i++) { board[i] = []; for (var j = 0; j < 8; j++) { var tile = self.addChild(new Tile()); tile.x = boardStartX + i * tile.width; tile.y = boardStartY + j * tile.height; board[i][j] = tile; tile.on('down', (function (tile, i, j) { return function (obj) { if (playerTurn === 'black' && tile.state === 'empty') { var tilesToFlip = tile.isValidMove(i, j, playerTurn, board); if (tilesToFlip) { tile.flip('black'); for (var k = 0; k < tilesToFlip.length; k++) { tilesToFlip[k].flip('black'); } if (self.getValidMoves('white').length > 0) { playerTurn = 'white'; } else if (self.getValidMoves('black').length > 0) { playerTurn = 'black'; } else { self.checkGameOver(); } updateTileCounts(); if (playerTurn === 'white' && self.getValidMoves('white').length > 0) { LK.setTimeout(function () { ai.makeMove(board); updateTileCounts(); self.checkGameOver(); if (!gameOver) { playerTurn = 'black'; } }, 500); } else if (playerTurn === 'white') { playerTurn = 'black'; if (self.getValidMoves('black').length === 0) { self.checkGameOver(); } } function updateTileCounts() { var blackCount = 0, whiteCount = 0; for (var i = 0; i < 8; i++) { for (var j = 0; j < 8; j++) { if (board[i][j].state === 'black') blackCount++; if (board[i][j].state === 'white') whiteCount++; } } tileCounter.updateCounts(blackCount, whiteCount); } } } }; })(tile, i, j)); } } board[3][3].flip('white'); board[3][4].flip('black'); board[4][3].flip('black'); board[4][4].flip('white'); var tileCounter = self.addChild(new TileCounter()); self.addChild(tileCounter); LK.on('tick', function () {}); });