Tic--TAC--TOE-HTML-/index.html at main · Yug2920/Tic--TAC--TOE-HTML- · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Tic Tac Toe</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%, #a1c4fd 100%, #c2e9fb 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin: 0;
            /* Remove margin-top so gradient fills whole page */
        }
        h1 {
            margin-bottom: 10px;
            background: linear-gradient(90deg, #ff758c 0%, #ff7eb3 50%, #65e5ed 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-fill-color: transparent;
        }
        #controls {
            margin-bottom: 12px;
            background: #fff3cd;
            padding: 8px 16px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(255, 183, 94, 0.09);
        }
        #board {
            display: grid;
            grid-template-columns: repeat(3, 70px);
            grid-template-rows: repeat(3, 70px);
            gap: 8px;
            margin-bottom: 20px;
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 4px 24px rgba(0,0,0,0.08);
            padding: 16px;
        }
        .cell {
            background: linear-gradient(135deg, #f9d423 0%, #ff4e50 100%);
            border: 2px solid #222;
            width: 70px;
            height: 70px;
            font-size: 2.5em;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: #222;
            border-radius: 10px;
            transition:
                background 0.2s,
                box-shadow 0.18s,
                transform 0.18s;
            box-shadow: 0 2px 6px rgba(255, 120, 120, 0.10);
            user-select: none;
        }
        .cell:hover {
            background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%);
            color: #fff;
            transform: scale(1.07);
            box-shadow: 0 4px 16px rgba(67, 206, 162, 0.16);
        }
        #status {
            font-size: 1.2em;
            margin-bottom: 15px;
            background: #ffe0e9;
            color: #d72660;
            padding: 8px 18px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(215, 38, 96, 0.09);
        }
        #resetBtn {
            padding: 9px 28px;
            font-size: 1em;
            border: none;
            background: linear-gradient(90deg, #36d1c4 0%, #5b86e5 100%);
            color: #fff;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            letter-spacing: 1px;
            transition: background 0.19s, transform 0.16s;
            box-shadow: 0 2px 8px rgba(91, 134, 229, 0.15);
        }
        #resetBtn:hover {
            background: linear-gradient(90deg, #ee0979 0%, #ff6a00 100%);
            transform: scale(1.04);
        }
        #difficulty {
            font-size: 1em;
            margin-left: 8px;
            background: #e0f7fa;
            border: 1px solid #b2ebf2;
            border-radius: 5px;
            padding: 2px 9px;
            color: #00796b;
        }
        /* Footer styling */
        .footer {
            margin-top: 50px;
            padding-bottom: 24px;
            font-size: 1.08em;
            color: #222;
            letter-spacing: 0.5px;
            text-align: center;
            width: 100%;
            opacity: 0.85;
            font-weight: 500;
            text-shadow: 0 1px 5px #fff4f4;
        }
        .footer .heart {
            color: #e25555;
            font-size: 1.18em;
            vertical-align: middle;
        }
    </style>
</head>
<body>
    <h1>Tic Tac Toe</h1>
    <div id="controls">
        <label for="difficulty">Difficulty:</label>
        <select id="difficulty">
            <option value="easy">Easy</option>
            <option value="medium">Medium</option>
            <option value="hard">Hard</option>
        </select>
    </div>
    <div id="status">Player X's turn</div>
    <div id="board"></div>
    <button id="resetBtn">Reset Game</button>

    <div class="footer">
        *Made by <span class="heart">♥️</span> in HTML by Yug
    </div>

    <script>
        const board = document.getElementById('board');
        const statusDiv = document.getElementById('status');
        const resetBtn = document.getElementById('resetBtn');
        const difficultySelect = document.getElementById('difficulty');

        let currentPlayer = 'X'; // Player is always X, AI is O
        let gameActive = true;
        let boardState = Array(9).fill('');
        let aiDifficulty = difficultySelect.value;

        // Event Listeners
        difficultySelect.addEventListener('change', () => {
            aiDifficulty = difficultySelect.value;
            resetGame();
        });

        resetBtn.addEventListener('click', resetGame);

        function renderBoard() {
            board.innerHTML = '';
            for (let i = 0; i < 9; i++) {
                const cell = document.createElement('div');
                cell.className = 'cell';
                cell.dataset.index = i;
                cell.textContent = boardState[i];
                cell.addEventListener('click', handleCellClick);
                board.appendChild(cell);
            }
        }

        function handleCellClick(e) {
            const index = e.target.dataset.index;
            if (!gameActive || boardState[index]) return;

            boardState[index] = currentPlayer; // X's move
            renderBoard();
            if (checkWinner('X')) {
                statusDiv.textContent = `Player X wins!`;
                gameActive = false;
                return;
            } else if (boardState.every(cell => cell)) {
                statusDiv.textContent = "It's a draw!";
                gameActive = false;
                return;
            } else {
                currentPlayer = 'O';
                statusDiv.textContent = "AI's turn";
                setTimeout(aiMove, 400); // Small delay for realism
            }
        }

        function aiMove() {
            if (!gameActive) return;
            let move;
            if (aiDifficulty === 'easy') {
                move = getRandomMove();
            } else if (aiDifficulty === 'medium') {
                move = Math.random() < 0.5 ? getRandomMove() : getBestMove();
            } else {
                move = getBestMove();
            }
            if (move !== null) {
                boardState[move] = 'O';
                renderBoard();
                if (checkWinner('O')) {
                    statusDiv.textContent = `AI wins!`;
                    gameActive = false;
                } else if (boardState.every(cell => cell)) {
                    statusDiv.textContent = "It's a draw!";
                    gameActive = false;
                } else {
                    currentPlayer = 'X';
                    statusDiv.textContent = "Player X's turn";
                }
            }
        }

        function getRandomMove() {
            const available = boardState
                .map((cell, idx) => cell === '' ? idx : null)
                .filter(idx => idx !== null);
            if (available.length === 0) return null;
            return available[Math.floor(Math.random() * available.length)];
        }

        // Minimax AI
        function getBestMove() {
            let bestScore = -Infinity;
            let move = null;
            for (let i = 0; i < 9; i++) {
                if (boardState[i] === '') {
                    boardState[i] = 'O';
                    let score = minimax(boardState, 0, false);
                    boardState[i] = '';
                    if (score > bestScore) {
                        bestScore = score;
                        move = i;
                    }
                }
            }
            return move;
        }

        function minimax(state, depth, isMaximizing) {
            if (checkWinnerForState(state, 'O')) return 10 - depth;
            if (checkWinnerForState(state, 'X')) return depth - 10;
            if (state.every(cell => cell)) return 0;

            if (isMaximizing) {
                let best = -Infinity;
                for (let i = 0; i < 9; i++) {
                    if (state[i] === '') {
                        state[i] = 'O';
                        best = Math.max(best, minimax(state, depth + 1, false));
                        state[i] = '';
                    }
                }
                return best;
            } else {
                let best = Infinity;
                for (let i = 0; i < 9; i++) {
                    if (state[i] === '') {
                        state[i] = 'X';
                        best = Math.min(best, minimax(state, depth + 1, true));
                        state[i] = '';
                    }
                }
                return best;
            }
        }

        function checkWinner(player) {
            const winPatterns = [
                [0,1,2],[3,4,5],[6,7,8],
                [0,3,6],[1,4,7],[2,5,8],
                [0,4,8],[2,4,6]
            ];
            return winPatterns.some(pattern => {
                const [a,b,c] = pattern;
                return boardState[a] === player && boardState[b] === player && boardState[c] === player;
            });
        }

        function checkWinnerForState(state, player) {
            const winPatterns = [
                [0,1,2],[3,4,5],[6,7,8],
                [0,3,6],[1,4,7],[2,5,8],
                [0,4,8],[2,4,6]
            ];
            return winPatterns.some(pattern => {
                const [a,b,c] = pattern;
                return state[a] === player && state[b] === player && state[c] === player;
            });
        }

        function resetGame() {
            boardState = Array(9).fill('');
            currentPlayer = 'X';
            gameActive = true;
            statusDiv.textContent = "Player X's turn";
            renderBoard();
        }

        renderBoard();
    </script>
</body>
</html>