Добавить snake.html

2026-05-28 18:44:58 +03:00
commit 4537e1f729
1 changed files with 136 additions and 0 deletions
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 <!DOCTYPE html>
 <html lang="ru">
 <head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>Змейка</title>
 <style>
 * { margin: 0; padding: 0; box-sizing: border-box; }
 body {
 background: #1a1a2e;
 display: flex;
 flex-direction: column;
 align-items: center;
 justify-content: center;
 height: 100vh;
 font-family: 'Segoe UI', sans-serif;
 color: #eee;
 }
 h1 {
 margin-bottom: 10px;
 font-size: 2.2em;
 color: #0f0;
 text-shadow: 0 0 20px #0f0;
 }
 #score { font-size: 1.3em; margin-bottom: 10px; }
 canvas {
 border: 2px solid #0f0;
 border-radius: 8px;
 box-shadow: 0 0 30px rgba(0, 255, 0, 0.3);
 }
 #message {
 margin-top: 15px;
 font-size: 1.1em;
 color: #aaa;
 }
 </style>
 </head>
 <body>
 <h1>🐍 Змейка</h1>
 <div id="score">Счёт: 0</div>
 <canvas id="game" width="400" height="400"></canvas>
 <div id="message">Стрелки для управления | Пробел — рестарт</div>
 <script>
 const canvas = document.getElementById('game');
 const ctx = canvas.getContext('2d');
 const scoreEl = document.getElementById('score');
 const size = 20;
 const cols = canvas.width / size;
 const rows = canvas.height / size;
 let snake, food, dir, nextDir, score, gameOver, interval;
 function init() {
    snake = [{ x: 10, y: 10 }];
    dir = { x: 1, y: 0 };
    nextDir = { x: 1, y: 0 };
    score = 0;
    gameOver = false;
    scoreEl.textContent = 'Счёт: 0';
    placeFood();
    clearInterval(interval);
    interval = setInterval(update, 120);
 }
 function placeFood() {
    while (true) {
        food = { x: Math.floor(Math.random() * cols), y: Math.floor(Math.random() * rows) };
        if (!snake.some(s => s.x === food.x && s.y === food.y)) break;
    }
 }
 function update() {
    if (gameOver) return;
    dir = { ...nextDir };
    const head = { x: snake[0].x + dir.x, y: snake[0].y + dir.y };
    if (head.x < 0 || head.x >= cols || head.y < 0 || head.y >= rows ||
        snake.some(s => s.x === head.x && s.y === head.y)) {
        gameOver = true;
        draw();
        return;
    }
    snake.unshift(head);
    if (head.x === food.x && head.y === food.y) {
        score += 10;
        scoreEl.textContent = 'Счёт: ' + score;
        placeFood();
    } else {
        snake.pop();
    }
    draw();
 }
 function draw() {
    ctx.fillStyle = '#16213e';
    ctx.fillRect(0, 0, canvas.width, canvas.height);
    snake.forEach((s, i) => {
        const g = ctx.createRadialGradient(s.x * size + size/2, s.y * size + size/2, 0, 0, 0, size);
        g.addColorStop(0, i === 0 ? '#0f0' : '#0a0');
        g.addColorStop(1, i === 0 ? '#0a0' : '#050');
        ctx.fillStyle = g;
        ctx.fillRect(s.x * size + 1, s.y * size + 1, size - 2, size - 2);
    });
    ctx.fillStyle = '#ff0040';
    ctx.shadowColor = '#ff0040';
    ctx.shadowBlur = 15;
    ctx.beginPath();
    ctx.arc(food.x * size + size/2, food.y * size + size/2, size/2 - 2, 0, Math.PI * 2);
    ctx.fill();
    ctx.shadowBlur = 0;
    if (gameOver) {
        ctx.fillStyle = 'rgba(0,0,0,0.7)';
        ctx.fillRect(0, 0, canvas.width, canvas.height);
        ctx.fillStyle = '#ff0040';
        ctx.font = 'bold 36px Segoe UI';
        ctx.textAlign = 'center';
        ctx.fillText('GAME OVER', canvas.width/2, canvas.height/2 - 10);
        ctx.fillStyle = '#fff';
        ctx.font = '20px Segoe UI';
        ctx.fillText('Счёт: ' + score, canvas.width/2, canvas.height/2 + 25);
    }
 }
 document.addEventListener('keydown', e => {
    const key = e.key;
    if (key === 'ArrowUp' && dir.y !== 1) nextDir = { x: 0, y: -1 };
    if (key === 'ArrowDown' && dir.y !== -1) nextDir = { x: 0, y: 1 };
    if (key === 'ArrowLeft' && dir.x !== 1) nextDir = { x: -1, y: 0 };
    if (key === 'ArrowRight' && dir.x !== -1) nextDir = { x: 1, y: 0 };
    if (key === ' ') init();
    e.preventDefault();
 });
 init();
 </script>
 </body>
 </html>