tananis.github.io/MGsnake.html at main · TANANIS/tananis.github.io · GitHub

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<!DOCTYPE html>
<html lang="zh-TW">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>迷你遊戲</title>
    <link id="body-main-stylesheet" rel="stylesheet" href="css/bodyMain.css">
    <link id="welcome-featured-profile-highlight-stylesheet" rel="stylesheet" href="css/welcomeFeatured.css">
    <link id="nav-stylesheet" rel="stylesheet" href="css/navStyles.css">
    <link id="news-stylesheet" rel="stylesheet" href="css/newsStyles.css">
    <link id="register-auth-modal-stylesheet" rel="stylesheet" href="css/registerModal.css">
    <link id="card-display-stylesheet" rel="stylesheet" href="css/card.css">
    <link id="footer-celebrate-btn-stylesheet" rel="stylesheet" href="css/footerStyles.css">


    <style>
        html,
        body {
            overflow: hidden;

            /* 禁用整個頁面的滾動 */
            /* 遊戲區域樣式 */
        }

        #game {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        #game-canvas {
            border: 2px solid #8f8b8b;
            /* 蛇蛇遊戲畫布邊框 */

        }

        #score-board {
            position: fixed;
            /* 固定位置 */
            right: 20px;
            /* 距離左邊 20px */
            top: 50%;
            /* 垂直居中 */
            transform: translateY(-50%);
            /* 垂直居中對齊 */
            padding: 10px;
            background: linear-gradient(to bottom, #414453 0%, #231e3a 100%);
            border: 1px solid #ccc;
            /* 邊框樣式 */
            border-radius: 5px;
            /* 邊角圓潤 */
            text-align: center;
            /* 文字居中 */
            z-index: 9999;
            /* 確保區域在其他元素之上 */
        }

        #score-board p {
            font-size: 18px;
        }

        #start-btn {
            position: fixed;
            /* 固定位置 */
            right: 100px;
            /* 距離左邊 20px */
            top: 50%;
            /* 垂直居中 */
            transform: translateY(-50%);
            /* 垂直居中對齊 */
            padding: 10px 20px;
            font-size: 20px;
            color: #fff;
            border: none;
            border-radius: 5px;
            /* 邊角圓潤 */
            cursor: pointer;
            z-index: 9999;
            /* 確保按鈕在其他元素之上 */
            background-color: #9673a3;
            /* 按鈕背景色 */
        }

        #start-btn:hover {
            background-color: #ccbf75;
            /* 按鈕懸停顏色 */
        }
    </style>

    <script>


        document.addEventListener('DOMContentLoaded', () => {
            const nav = document.querySelector('nav');

            // 當滑鼠懸停時展開導航欄
            nav.addEventListener('mouseover', () => {
                nav.classList.add('expanded');
            });

            // 當滑鼠移開時縮回導航欄
            nav.addEventListener('mouseout', () => {
                nav.classList.remove('expanded');
            });

            // 圖片懸停效果
            const portfolioItems = document.querySelectorAll('.portfolio-item');

            portfolioItems.forEach(item => {
                item.addEventListener('mouseover', () => {
                    // 縮放圖片
                    item.querySelector('img').style.transform = 'scale(1.1)';
                });

                item.addEventListener('mouseout', () => {
                    // 恢復圖片大小
                    item.querySelector('img').style.transform = 'scale(1)';
                });
            });

            // 平滑滾動到部分
            const navLinks = document.querySelectorAll('nav ul li a');

            navLinks.forEach(link => {
                link.addEventListener('click', (event) => {

                    const targetId = link.getAttribute('href').substring(1); // 獲取目標部分的 ID
                    const targetElement = document.getElementById(targetId);

                    if (targetElement) {
                        targetElement.scrollIntoView({ behavior: 'smooth' }); // 平滑滾動到目標部分
                    }
                });
            });
        });
    </script>

    <!-- 主頁樣式表 -->
</head>

<body>
    <nav>
        <img src="img/BACKBTN-01-01.png" alt="backBTN" class="backBTN">
        <h1>貪吃蛇蛇</h1>
        <ul>
            <li><a href="index.html">首頁</a></li>
            <li><a href="portfolio.html">過去作品</a></li>
            <li><a href="LearningDiary.html">學習日誌</a></li>
            <li><a href="viewport.html">學習資源推薦</a></li>
            <li><a href="mini-games.html">迷你遊戲</a></li>
            <li><a href="contact.html">聯絡</a></li>
        </ul>
    </nav>

    <main>
        <section id="MGsnake" class="profile">
            <div class="welcome-text">
                <h2>貪吃蛇遊戲</h2>
                <p>這是一個經典的貪吃蛇遊戲。用箭頭鍵控制蛇的方向，吃到食物會增加分數，但是蛇不會變長。</p>
            </div>
            <p>會變長的版本請看：</p>
            <a href="https://tananis.itch.io/inake" target="_blank">itch.io</a>
        </section>

        <section id="game">
            <canvas id="game-canvas" width="400" height="400"></canvas>
            <div id="score-board">
                <p>Score: <span id="score">0</span></p>
                <button id="start-btn">Start</button>
            </div>
        </section>
    </main>

    <footer class="footerBG">
        <p>&copy; 2024 版權所有.</p>
    </footer>

    <script>
        const canvas = document.getElementById('game-canvas');
        const ctx = canvas.getContext('2d');
        const width = canvas.width;
        const height = canvas.height;
        const cellSize = 20;
        const gridSize = 20;
        const speed = 100;
        const snakeLength = 3;
        const foodCount = 1;
        const scoreBoard = document.getElementById('score-board');
        const score = document.getElementById('score');
        const startBtn = document.getElementById('start-btn');
        let gameOver = false;
        let scoreCount = 0;
        let snake = [];
        let food = [];
        let direction = 'right';
        let intervalId = null;

        function init() {
            gameOver = false;
            scoreCount = 0;
            snake = [];
            food = [];
            direction = 'right';

            // 將蛇初始化為不重疊
            for (let i = 0; i < snakeLength; i++) {
                snake.push({ x: gridSize * (snakeLength - i - 1), y: 0 });
            }
            placeFood();
            draw();
        }

        function placeFood() {
            let x = Math.floor(Math.random() * (width / gridSize)) * gridSize;
            let y = Math.floor(Math.random() * (height / gridSize)) * gridSize;
            food = [{ x: x, y: y }];
        }

        function draw() {
            ctx.clearRect(0, 0, width, height);

            for (let x = 0; x < width; x += gridSize) {
                for (let y = 0; y < height; y += gridSize) {
                    ctx.fillStyle = (x + y) % 2 === 0 ? '#fff' : '#ddd';
                    ctx.fillRect(x, y, gridSize, gridSize);
                }
            }

            for (let i = 0; i < snake.length; i++) {
                ctx.fillStyle = i === 0 ? '#000' : '#fff';
                ctx.fillRect(snake[i].x, snake[i].y, cellSize, cellSize);
            }

            ctx.fillStyle = '#f00';
            ctx.fillRect(food[0].x, food[0].y, cellSize, cellSize);

            score.textContent = scoreCount;
        }

        function moveSnake() {
            let head = { x: snake[0].x, y: snake[0].y };

            switch (direction) {
                case 'up':
                    head.y -= gridSize;
                    break;
                case 'down':
                    head.y += gridSize;
                    break;
                case 'left':
                    head.x -= gridSize;
                    break;
                case 'right':
                    head.x += gridSize;
                    break;
            }

            if (head.x === food[0].x && head.y === food[0].y) {
                // 吃到食物，增加分數
                scoreCount++;
                score.textContent = scoreCount;


                // 增長蛇身體長度
                addBody();
                addBody(); // 再增加一節身體
                placeFood(); // 重新放置食物
            } else {
                snake.pop(); // 移除蛇尾
            }

            snake.unshift(head); // 更新蛇頭位置

            // 檢查遊戲結束
            if (head.x < 0 || head.x + cellSize > width || head.y < 0 || head.y + cellSize > height || snake.slice(1).some(s => s.x === head.x && s.y === head.y)) {
                gameOver = true;
                scoreBoard.style.display = 'none';
                alert('Game Over!');
                setTimeout(function () {
                    location.reload(); // 重新載入頁面
                }, 1000); // 1秒後自動重整頁面
                return;
            }
        }

        function addBody() {
            let tail = snake[snake.length - 1];
            snake.push({ x: tail.x, y: tail.y });
            console.log('Snake length:', snake.length); // 調試信息
        }

        function controlSnake() {
            if (gameOver) {
                clearInterval(intervalId);
                return;
            }

            moveSnake();
            draw();
        }

        startBtn.addEventListener('click', function () {
            scoreBoard.style.display = 'block';
            init();
            intervalId = setInterval(controlSnake, speed);
        });

        document.addEventListener('keydown', function (event) {
            switch (event.key) {
                case 'ArrowUp':
                    if (direction !== 'down') direction = 'up';
                    break;
                case 'ArrowDown':
                    if (direction !== 'up') direction = 'down';
                    break;
                case 'ArrowLeft':
                    if (direction !== 'right') direction = 'left';
                    break;
                case 'ArrowRight':
                    if (direction !== 'left') direction = 'right';
                    break;
            }
        });
    </script>
</body>
<footer class="footerBG">
    <p class="footer-text">&copy; 2024 版權所有.</p>
</footer>

</html>