asdf/2048.html at main · HTML5-CSS-JS/asdf · GitHub

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<!DOCTYPE html>
<html lang="ko">
<head>
  <meta charset="UTF-8">
  <title>2048 게임</title>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <style>
    body { font-family: Arial, sans-serif; text-align: center; margin: 0; }
    #game-container {
      width: 90vmin; height: 90vmin;
      margin: 20px auto;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      grid-gap: 2vmin;
      background: #bbada0;
      padding: 2vmin;
      border-radius: 10px;
    }
    .tile {
      width: 100%; height: 100%;
      background: #cdc1b4;
      display: flex; align-items: center; justify-content: center;
      font-size: 6vmin; font-weight: bold;
      border-radius: 5px;
    }
  </style>
</head>
<body>
  <h1>2048 게임</h1>
  <div id="game-container"></div>
  <script>
    const container = document.getElementById("game-container");
    let board = Array(4).fill().map(() => Array(4).fill(0));

    function drawBoard() {
      container.innerHTML = "";
      for (let r = 0; r < 4; r++) {
        for (let c = 0; c < 4; c++) {
          const tile = document.createElement("div");
          tile.className = "tile";
          if (board[r][c] !== 0) tile.textContent = board[r][c];
          container.appendChild(tile);
        }
      }
    }

    function addRandomTile() {
      let empty = [];
      for (let r = 0; r < 4; r++) {
        for (let c = 0; c < 4; c++) {
          if (board[r][c] === 0) empty.push([r, c]);
        }
      }
      if (empty.length > 0) {
        let [r, c] = empty[Math.floor(Math.random() * empty.length)];
        board[r][c] = Math.random() < 0.9 ? 2 : 4;
      }
    }

    function slide(row) {
      row = row.filter(val => val);
      for (let i = 0; i < row.length - 1; i++) {
        if (row[i] === row[i+1]) {
          row[i] *= 2;
          row[i+1] = 0;
        }
      }
      row = row.filter(val => val);
      while (row.length < 4) row.push(0);
      return row;
    }

    function moveLeft() {
      for (let r = 0; r < 4; r++) {
        board[r] = slide(board[r]);
      }
      addRandomTile();
      drawBoard();
    }

    function moveRight() {
      for (let r = 0; r < 4; r++) {
        board[r] = slide(board[r].reverse()).reverse();
      }
      addRandomTile();
      drawBoard();
    }

    function moveUp() {
      for (let c = 0; c < 4; c++) {
        let col = [board[0][c], board[1][c], board[2][c], board[3][c]];
        col = slide(col);
        for (let r = 0; r < 4; r++) board[r][c] = col[r];
      }
      addRandomTile();
      drawBoard();
    }

    function moveDown() {
      for (let c = 0; c < 4; c++) {
        let col = [board[0][c], board[1][c], board[2][c], board[3][c]];
        col = slide(col.reverse()).reverse();
        for (let r = 0; r < 4; r++) board[r][c] = col[r];
      }
      addRandomTile();
      drawBoard();
    }

    // 키보드 입력
    document.addEventListener("keydown", e => {
      if (e.key === "ArrowLeft") moveLeft();
      else if (e.key === "ArrowRight") moveRight();
      else if (e.key === "ArrowUp") moveUp();
      else if (e.key === "ArrowDown") moveDown();
    });

    // 터치 제스처 입력
    let startX, startY;
    document.addEventListener("touchstart", e => {
      startX = e.touches[0].clientX;
      startY = e.touches[0].clientY;
    });
    document.addEventListener("touchend", e => {
      let dx = e.changedTouches[0].clientX - startX;
      let dy = e.changedTouches[0].clientY - startY;
      if (Math.abs(dx) > Math.abs(dy)) {
        if (dx > 0) moveRight(); else moveLeft();
      } else {
        if (dy > 0) moveDown(); else moveUp();
      }
    });

    addRandomTile();
    addRandomTile();
    drawBoard();
  </script>
</body>
</html>