Webleb - fragmentos de código - juego de la serpiente

HTML

<!DOCTYPE html>
<html lang="tr">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>Yavaş Yılan Oyunu</title>
  <style>
    body {
      background-color: #111;
      color: #eee;
      font-family: Arial, sans-serif;
      text-align: center;
      margin: 0;
      padding: 0;
    }

h1 {
      margin-top: 20px;
      font-size: 32px;
      color: #00ff00;
    }

canvas {
      background-color: #000;
      border: 4px solid #00ff00;
      display: block;
      margin: 20px auto;
    }

#score {
      font-size: 20px;
      color: #fff;
    }

button {
      padding: 10px 20px;
      font-size: 16px;
      margin-top: 10px;
      cursor: pointer;
      background-color: #00aa00;
      color: white;
      border: none;
      border-radius: 5px;
    }

button:hover {
      background-color: #009900;
    }
  </style>
</head>
<body>
  <h1>Yavaş Yılan Oyunu</h1>
  <canvas id="gameCanvas" width="400" height="400"></canvas>
  <div id="score">Puan: 0</div>
  <button onclick="restartGame()">Yeniden Başla</button>

const box = 20;
    const canvasSize = 400;
    let score = 0;
    let snake;
    let food;
    let direction;
    let gameLoop;

function initGame() {
      snake = [{ x: 200, y: 200 }];
      direction = "RIGHT";
      score = 0;
      food = randomFood();
      clearInterval(gameLoop);
      // Hızı yavaşlatmak için interval süresini 200ms yaptık (önceki 100ms idi)
      gameLoop = setInterval(updateGame, 200);
      document.getElementById("score").innerText = "Puan: 0";
    }

function randomFood() {
      return {
        x: Math.floor(Math.random() * (canvasSize / box)) * box,
        y: Math.floor(Math.random() * (canvasSize / box)) * box
      };
    }

document.addEventListener("keydown", (e) => {
      if (e.key === "ArrowLeft" && direction !== "RIGHT") direction = "LEFT";
      if (e.key === "ArrowRight" && direction !== "LEFT") direction = "RIGHT";
      if (e.key === "ArrowUp" && direction !== "DOWN") direction = "UP";
      if (e.key === "ArrowDown" && direction !== "UP") direction = "DOWN";
    });

function updateGame() {
      const head = { ...snake[0] };

if (direction === "LEFT") head.x -= box;
      if (direction === "RIGHT") head.x += box;
      if (direction === "UP") head.y -= box;
      if (direction === "DOWN") head.y += box;

// Duvara veya kendine çarptıysa oyun biter
      if (
        head.x < 0 || head.y < 0 ||
        head.x >= canvasSize || head.y >= canvasSize ||
        snake.some((segment, i) => i !== 0 && segment.x === head.x && segment.y === head.y)
      ) {
        clearInterval(gameLoop);
        alert("Oyun Bitti! Skor: " + score);
        return;
      }

snake.unshift(head);

// Yem yediyse skor artar, yem yenilenir. Yoksa kuyruk kısalır
      if (head.x === food.x && head.y === food.y) {
        score++;
        document.getElementById("score").innerText = "Puan: " + score;
        food = randomFood();
      } else {
        snake.pop();
      }

drawGame();
    }

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

// Yılan
      snake.forEach((segment, index) => {
        ctx.fillStyle = index === 0 ? "#00ff00" : "#007700";
        ctx.fillRect(segment.x, segment.y, box, box);
      });

// Yem
      ctx.fillStyle = "red";
      ctx.fillRect(food.x, food.y, box, box);
    }

function restartGame() {
      initGame();
    }

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

CSS

JS

juego de la serpiente

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