🎮 HTML5 테트리스 풀버전 – 브라우저에서 직접 플레이! - 바이브 코딩(vibe coding), chatGPT(챗지피티) 프로그래밍, 게임, 뉴스, 파이썬 생성형ai

HTML5 + JavaScript로 제작된 완성도 높은 테트리스 게임을 소개합니다. 모바일에서도 대응되며, 레벨/점수/배경음악까지 포함된 풀버전입니다. 아래에서 바로 실행해보세요!
목차 숨기기
🕹️ 조작 방법

← / → : 좌우 이동
↓ : 아래로 한 칸 내리기
Q / W : 블록 회전
📌 주요 기능

7가지 테트로미노 블록
충돌 감지 및 블록 고정
줄 제거 시 점수 및 레벨 증가
레벨이 오를수록 속도 증가
반응형 UI (모바일 호환)
배경음악 자동 재생
📦 전체 코드

아래 코드를 복사해서 tetris.html로 저장하고 실행하면 동일한 게임을 직접 실행할 수 있습니다.
실행해보기 https://deer.cafe24.com/minigame/tetris/tetrissample .html
&lt;!DOCTYPE html&gt;
&lt;html lang=&quot;ko&quot;&gt;
&lt;head&gt;
  &lt;meta charset=&quot;UTF-8&quot;&gt;
  &lt;title&gt;테트리스 풀버전&lt;/title&gt;
  &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0, user-scalable=no, maximum-scale=1.0, minimum-scale=1.0&quot;&gt;
  &lt;style&gt;
    html, body {
      touch-action: manipulation;
    }
    * {
      box-sizing: border-box;
    }
    body {
      width: 100vw;
      overflow-x: hidden;
    }
    html, body {
      width: 100%;
      overflow-x: hidden;
    }
    canvas {
      max-width: 100%;
      height: auto;
    }
    body {
      margin: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      background: #111;
      font-family: sans-serif;
      color: white;
    }
    #game {
      border: 3px solid #fff;
      background: #000;
    }
    #info {
      position: absolute;
      top: 20px;
      right: 20px;
      text-align: right;
    }
    #info h1 {
      margin: 0;
      font-size: 24px;
    }
    #info p {
      margin: 4px 0;
    }
    #mobile-controls {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin: 20px 0;
    }
    #mobile-controls button, #restartBtn {
      font-size: 20px;
      padding: 10px 15px;
      background: #333;
      color: white;
      border: 1px solid #777;
      border-radius: 5px;
    }
    #message {
      margin-top: 10px;
      font-size: 20px;
      color: yellow;
    }
  &lt;/style&gt;
  &lt;script&gt;
    document.addEventListener('gesturestart', e =&gt; e.preventDefault());
    document.addEventListener('touchstart', function (e) {
      if (e.touches.length &gt; 1) e.preventDefault();
    }, { passive: false });
  &lt;/script&gt;
&lt;/head&gt;
&lt;body style=&quot;height: 100dvh;&quot;&gt;
  &lt;div style=&quot;display: flex; flex-direction: column; align-items: center; width: 100%;&quot;&gt;
  &lt;canvas id=&quot;preview&quot; width=&quot;90&quot; height=&quot;90&quot; style=&quot;border: 2px solid #888; background: #222; display: block; margin-bottom: 10px;&quot;&gt;&lt;/canvas&gt;
  &lt;canvas id=&quot;game&quot; width=&quot;300&quot; height=&quot;600&quot; style=&quot;max-width: 100%; height: auto;&quot;&gt;&lt;/canvas&gt;
&lt;/div&gt;
  &lt;div id=&quot;info&quot;&gt;
    &lt;h1&gt;Tetris&lt;/h1&gt;
    &lt;p&gt;점수: &lt;span id=&quot;score&quot;&gt;0&lt;/span&gt;&lt;/p&gt;
    &lt;p&gt;레벨: &lt;span id=&quot;level&quot;&gt;1&lt;/span&gt;&lt;/p&gt;
    &lt;audio id=&quot;bgm&quot; autoplay loop&gt;
      &lt;source src=&quot;https://www.bensound.com/bensound-music/bensound-dubstep.mp3&quot; type=&quot;audio/mpeg&quot;&gt;
    &lt;/audio&gt;
    &lt;audio id=&quot;line-clear&quot;&gt;
      &lt;source src=&quot;https://actions.google.com/sounds/v1/cartoon/cartoon_boing.ogg&quot; type=&quot;audio/ogg&quot;&gt;
    &lt;/audio&gt;
  &lt;/div&gt;
  &lt;div id=&quot;mobile-controls&quot; style=&quot;width: 100%; max-width: 400px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 10px;&quot;&gt;
    &lt;button onclick=&quot;playerMove(-1)&quot;&gt;◀&lt;/button&gt;
    &lt;button onclick=&quot;playerRotate(-1)&quot;&gt;⟳&lt;/button&gt;
    &lt;button onclick=&quot;playerRotate(1)&quot;&gt;⟲&lt;/button&gt;
    &lt;button onclick=&quot;playerMove(1)&quot;&gt;▶&lt;/button&gt;
    &lt;button onclick=&quot;playerDrop()&quot;&gt;⬇&lt;/button&gt;
    &lt;button onclick=&quot;hardDrop()&quot;&gt;⬇⬇&lt;/button&gt;
  &lt;/div&gt;
  &lt;div id=&quot;message&quot;&gt;&lt;/div&gt;
  &lt;button id=&quot;restartBtn&quot; style=&quot;display:none&quot; onclick=&quot;restartGame()&quot;&gt;🔁 다시 시작&lt;/button&gt;
  &lt;script&gt;
    const canvas = document.getElementById('game');
    const context = canvas.getContext('2d');
    context.scale(30, 30);

    const arena = createMatrix(10, 20);
    const player = {
      pos: {x: 0, y: 0},
      next: null,
      matrix: null,
      score: 0,
      level: 1
    };

    let combo = 0;
    let gameOver = false;
const previewCanvas = document.getElementById('preview');
const previewContext = previewCanvas.getContext('2d');
previewContext.setTransform(1, 0, 0, 1, 0, 0);
// scale은 drawPreview 함수 내에서 적용됨

    const colors = [null,'red', 'blue', 'violet', 'green', 'orange', 'pink', 'cyan'];
    const messageEl = document.getElementById('message');
    const restartBtn = document.getElementById('restartBtn');

    function createMatrix(w, h) {
      const matrix = [];
      while (h--) matrix.push(new Array(w).fill(0));
      return matrix;
    }

    function createPiece(type) {
      if (type === 'T') return [[0,0,0],[1,1,1],[0,1,0]];
      if (type === 'O') return [[2,2],[2,2]];
      if (type === 'L') return [[0,3,0],[0,3,0],[0,3,3]];
      if (type === 'J') return [[0,4,0],[0,4,0],[4,4,0]];
      if (type === 'I') return [[0,5,0,0],[0,5,0,0],[0,5,0,0],[0,5,0,0]];
      if (type === 'S') return [[0,6,6],[6,6,0],[0,0,0]];
      if (type === 'Z') return [[7,7,0],[0,7,7],[0,0,0]];
    }

    function drawMatrix(matrix, offset) {
      matrix.forEach((row, y) =&gt; {
        row.forEach((value, x) =&gt; {
          if (value !== 0) {
            context.fillStyle = colors[value];
            context.fillRect(x + offset.x, y + offset.y, 1, 1);
          }
        });
      });
    }

    function draw() {
      context.fillStyle = '#000';
      context.fillRect(0, 0, canvas.width, canvas.height);
      drawMatrix(arena, {x: 0, y: 0});
      drawMatrix(player.matrix, player.pos);
      drawPreview();
    }

    function merge(arena, player) {
      player.matrix.forEach((row, y) =&gt; {
        row.forEach((value, x) =&gt; {
          if (value !== 0) arena[y + player.pos.y][x + player.pos.x] = value;
        });
      });
    }

    function collide(arena, player) {
      const [m, o] = [player.matrix, player.pos];
      for (let y = 0; y &lt; m.length; ++y) {
        for (let x = 0; x &lt; m[y].length; ++x) {
          if (m[y][x] !== 0 &amp;&amp;
              (arena[y + o.y] &amp;&amp; arena[y + o.y][x + o.x]) !== 0) {
            return true;
          }
        }
      }
      return false;
    }

    function rotate(matrix, dir) {
      for (let y = 0; y &lt; matrix.length; ++y) {
        for (let x = 0; x &lt; y; ++x) {
          [matrix[x][y], matrix[y][x]] = [matrix[y][x], matrix[x][y]];
        }
      }
      if (dir &gt; 0) matrix.forEach(row =&gt; row.reverse());
      else matrix.reverse();
    }

    function playerRotate(dir) {
      const pos = player.pos.x;
      let offset = 1;
      rotate(player.matrix, dir);
      while (collide(arena, player)) {
        player.pos.x += offset;
        offset = -(offset + (offset &gt; 0 ? 1 : -1));
        if (offset &gt; player.matrix[0].length) {
          rotate(player.matrix, -dir);
          player.pos.x = pos;
          return;
        }
      }
    }

    function playerDrop() {
      player.pos.y++;
      if (collide(arena, player)) {
        player.pos.y--;
        merge(arena, player);
        arenaSweep();
        playerReset();
        updateScore();
      }
      dropCounter = 0;
    }

    function hardDrop() {
      while (!collide(arena, player)) {
        player.pos.y++;
      }
      player.pos.y--;
      merge(arena, player);
      arenaSweep();
      playerReset();
      updateScore();
      dropCounter = 0;
    }

    function playerMove(dir) {
      player.pos.x += dir;
      if (collide(arena, player)) player.pos.x -= dir;
    }

    function playerReset() {
      const pieces = 'TJLOSZI';
      if (!player.next) {
        player.next = createPiece(pieces[Math.floor(Math.random() * pieces.length)]);
      }
      player.matrix = player.next;
      player.next = createPiece(pieces[Math.floor(Math.random() * pieces.length)]);
      player.pos.y = 0;
      player.pos.x = Math.floor(arena[0].length / 2) - Math.floor(player.matrix[0].length / 2);
      drawPreview();
      if (collide(arena, player)) {
        messageEl.innerText = '💥 게임 오버!';
        restartBtn.style.display = 'inline';
        gameOver = true;
        cancelAnimationFrame(animationFrame);
      }
    }

    function arenaSweep() {
      let rowCount = 0;
      const lineClearSound = document.getElementById(&quot;line-clear&quot;);
      outer: for (let y = arena.length - 1; y &gt;= 0; --y) {
        for (let x = 0; x &lt; arena[y].length; ++x) {
          if (arena[y][x] === 0) continue outer;
        }
        arena.splice(y, 1);
        arena.unshift(new Array(arena[0].length).fill(0));
        y++;
        rowCount++;
        lineClearSound.currentTime = 0;
        lineClearSound.play();
      }
      if (rowCount &gt; 0) {
        combo++;
        player.score += rowCount * 10;
        messageEl.innerText = `🔥 콤보 ${combo}!! +${rowCount * 10}점`;
        setTimeout(() =&gt; messageEl.innerText = '', 1000);
        if (player.score &gt;= player.level * 100) {
          player.level++;
          dropInterval *= 0.9;
        }
      } else {
        combo = 0;
      }
    }

    function updateScore() {
      document.getElementById('score').innerText = player.score;
      document.getElementById('level').innerText = player.level;
    }

    let dropCounter = 0;
    let dropInterval = 1000;
    let lastTime = 0;
    let animationFrame;

    function update(time = 0) {
      const deltaTime = time - lastTime;
      lastTime = time;
      dropCounter += deltaTime;
      if (dropCounter &gt; dropInterval) playerDrop();
      draw();
      animationFrame = requestAnimationFrame(update);
    }

    function restartGame() {
      arena.forEach(row =&gt; row.fill(0));
      player.score = 0;
      player.level = 1;
      combo = 0;
      dropInterval = 1000;
      gameOver = false;
      restartBtn.style.display = 'none';
      messageEl.innerText = '';
      updateScore();
      playerReset();
      update();
    }

    document.addEventListener('keydown', event =&gt; {
      if (gameOver) return;
      if (event.key === 'ArrowLeft') playerMove(-1);
      else if (event.key === 'ArrowRight') playerMove(1);
      else if (event.key === 'ArrowDown') playerDrop();
      else if (event.key === ' ') hardDrop();
      else if (event.key === 'q') playerRotate(-1);
      else if (event.key === 'w') playerRotate(1);
    });

    playerReset();
    updateScore();
    update();
      function drawPreview() {
  previewContext.setTransform(1, 0, 0, 1, 0, 0);
  previewContext.clearRect(0, 0, previewCanvas.width, previewCanvas.height);
  const scale = 30;
  previewContext.scale(scale, scale);
  previewContext.fillStyle = '#222';
  previewContext.fillRect(0, 0, previewCanvas.width / scale, previewCanvas.height / scale);

  if (player.next) {
    const offsetX = Math.floor((previewCanvas.width / scale - player.next[0].length) / 2);
    const offsetY = Math.floor((previewCanvas.height / scale - player.next.length) / 2);
    player.next.forEach((row, y) =&gt; {
      row.forEach((value, x) =&gt; {
        if (value !== 0) {
          previewContext.fillStyle = colors[value];
          previewContext.fillRect(x + offsetX, y + offsetY, 1, 1);
        }
      });
    });
  }
}
      
  &lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;

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						&lt;!DOCTYPE html&gt;
&lt;html lang=&quot;ko&quot;&gt;
&lt;head&gt;
  &lt;meta charset=&quot;UTF-8&quot;&gt;
  &lt;title&gt;테트리스 풀버전&lt;/title&gt;
  &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0, user-scalable=no, maximum-scale=1.0, minimum-scale=1.0&quot;&gt;
  &lt;style&gt;
    html, body {
      touch-action: manipulation;
    }
    * {
      box-sizing: border-box;
    }
    body {
      width: 100vw;
      overflow-x: hidden;
    }
    html, body {
      width: 100%;
      overflow-x: hidden;
    }
    canvas {
      max-width: 100%;
      height: auto;
    }
    body {
      margin: 0;
      display: flex;
      flex-direction: column;
      align-items: center;
      background: #111;
      font-family: sans-serif;
      color: white;
    }
    #game {
      border: 3px solid #fff;
      background: #000;
    }
    #info {
      position: absolute;
      top: 20px;
      right: 20px;
      text-align: right;
    }
    #info h1 {
      margin: 0;
      font-size: 24px;
    }
    #info p {
      margin: 4px 0;
    }
    #mobile-controls {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin: 20px 0;
    }
    #mobile-controls button, #restartBtn {
      font-size: 20px;
      padding: 10px 15px;
      background: #333;
      color: white;
      border: 1px solid #777;
      border-radius: 5px;
    }
    #message {
      margin-top: 10px;
      font-size: 20px;
      color: yellow;
    }
  &lt;/style&gt;
  &lt;script&gt;
    document.addEventListener('gesturestart', e =&gt; e.preventDefault());
    document.addEventListener('touchstart', function (e) {
      if (e.touches.length &gt; 1) e.preventDefault();
    }, { passive: false });
  &lt;/script&gt;
&lt;/head&gt;
&lt;body style=&quot;height: 100dvh;&quot;&gt;
  &lt;div style=&quot;display: flex; flex-direction: column; align-items: center; width: 100%;&quot;&gt;
  &lt;canvas id=&quot;preview&quot; width=&quot;90&quot; height=&quot;90&quot; style=&quot;border: 2px solid #888; background: #222; display: block; margin-bottom: 10px;&quot;&gt;&lt;/canvas&gt;
  &lt;canvas id=&quot;game&quot; width=&quot;300&quot; height=&quot;600&quot; style=&quot;max-width: 100%; height: auto;&quot;&gt;&lt;/canvas&gt;
&lt;/div&gt;
  &lt;div id=&quot;info&quot;&gt;
    &lt;h1&gt;Tetris&lt;/h1&gt;
    &lt;p&gt;점수: &lt;span id=&quot;score&quot;&gt;0&lt;/span&gt;&lt;/p&gt;
    &lt;p&gt;레벨: &lt;span id=&quot;level&quot;&gt;1&lt;/span&gt;&lt;/p&gt;
    &lt;audio id=&quot;bgm&quot; autoplay loop&gt;
      &lt;source src=&quot;https://www.bensound.com/bensound-music/bensound-dubstep.mp3&quot; type=&quot;audio/mpeg&quot;&gt;
    &lt;/audio&gt;
    &lt;audio id=&quot;line-clear&quot;&gt;
      &lt;source src=&quot;https://actions.google.com/sounds/v1/cartoon/cartoon_boing.ogg&quot; type=&quot;audio/ogg&quot;&gt;
    &lt;/audio&gt;
  &lt;/div&gt;
  &lt;div id=&quot;mobile-controls&quot; style=&quot;width: 100%; max-width: 400px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 10px;&quot;&gt;
    &lt;button onclick=&quot;playerMove(-1)&quot;&gt;◀&lt;/button&gt;
    &lt;button onclick=&quot;playerRotate(-1)&quot;&gt;⟳&lt;/button&gt;
    &lt;button onclick=&quot;playerRotate(1)&quot;&gt;⟲&lt;/button&gt;
    &lt;button onclick=&quot;playerMove(1)&quot;&gt;▶&lt;/button&gt;
    &lt;button onclick=&quot;playerDrop()&quot;&gt;⬇&lt;/button&gt;
    &lt;button onclick=&quot;hardDrop()&quot;&gt;⬇⬇&lt;/button&gt;
  &lt;/div&gt;
  &lt;div id=&quot;message&quot;&gt;&lt;/div&gt;
  &lt;button id=&quot;restartBtn&quot; style=&quot;display:none&quot; onclick=&quot;restartGame()&quot;&gt;🔁 다시 시작&lt;/button&gt;
  &lt;script&gt;
    const canvas = document.getElementById('game');
    const context = canvas.getContext('2d');
    context.scale(30, 30);
 
    const arena = createMatrix(10, 20);
    const player = {
      pos: {x: 0, y: 0},
      next: null,
      matrix: null,
      score: 0,
      level: 1
    };
 
    let combo = 0;
    let gameOver = false;
const previewCanvas = document.getElementById('preview');
const previewContext = previewCanvas.getContext('2d');
previewContext.setTransform(1, 0, 0, 1, 0, 0);
// scale은 drawPreview 함수 내에서 적용됨
 
    const colors = [null,'red', 'blue', 'violet', 'green', 'orange', 'pink', 'cyan'];
    const messageEl = document.getElementById('message');
    const restartBtn = document.getElementById('restartBtn');
 
    function createMatrix(w, h) {
      const matrix = [];
      while (h--) matrix.push(new Array(w).fill(0));
      return matrix;
    }
 
    function createPiece(type) {
      if (type === 'T') return [[0,0,0],[1,1,1],[0,1,0]];
      if (type === 'O') return [[2,2],[2,2]];
      if (type === 'L') return [[0,3,0],[0,3,0],[0,3,3]];
      if (type === 'J') return [[0,4,0],[0,4,0],[4,4,0]];
      if (type === 'I') return [[0,5,0,0],[0,5,0,0],[0,5,0,0],[0,5,0,0]];
      if (type === 'S') return [[0,6,6],[6,6,0],[0,0,0]];
      if (type === 'Z') return [[7,7,0],[0,7,7],[0,0,0]];
    }
 
    function drawMatrix(matrix, offset) {
      matrix.forEach((row, y) =&gt; {
        row.forEach((value, x) =&gt; {
          if (value !== 0) {
            context.fillStyle = colors[value];
            context.fillRect(x + offset.x, y + offset.y, 1, 1);
          }
        });
      });
    }
 
    function draw() {
      context.fillStyle = '#000';
      context.fillRect(0, 0, canvas.width, canvas.height);
      drawMatrix(arena, {x: 0, y: 0});
      drawMatrix(player.matrix, player.pos);
      drawPreview();
    }
 
    function merge(arena, player) {
      player.matrix.forEach((row, y) =&gt; {
        row.forEach((value, x) =&gt; {
          if (value !== 0) arena[y + player.pos.y][x + player.pos.x] = value;
        });
      });
    }
 
    function collide(arena, player) {
      const [m, o] = [player.matrix, player.pos];
      for (let y = 0; y &lt; m.length; ++y) {
        for (let x = 0; x &lt; m[y].length; ++x) {
          if (m[y][x] !== 0 &amp;&amp;
              (arena[y + o.y] &amp;&amp; arena[y + o.y][x + o.x]) !== 0) {
            return true;
          }
        }
      }
      return false;
    }
 
    function rotate(matrix, dir) {
      for (let y = 0; y &lt; matrix.length; ++y) {
        for (let x = 0; x &lt; y; ++x) {
          [matrix[x][y], matrix[y][x]] = [matrix[y][x], matrix[x][y]];
        }
      }
      if (dir &gt; 0) matrix.forEach(row =&gt; row.reverse());
      else matrix.reverse();
    }
 
    function playerRotate(dir) {
      const pos = player.pos.x;
      let offset = 1;
      rotate(player.matrix, dir);
      while (collide(arena, player)) {
        player.pos.x += offset;
        offset = -(offset + (offset &gt; 0 ? 1 : -1));
        if (offset &gt; player.matrix[0].length) {
          rotate(player.matrix, -dir);
          player.pos.x = pos;
          return;
        }
      }
    }
 
    function playerDrop() {
      player.pos.y++;
      if (collide(arena, player)) {
        player.pos.y--;
        merge(arena, player);
        arenaSweep();
        playerReset();
        updateScore();
      }
      dropCounter = 0;
    }
 
    function hardDrop() {
      while (!collide(arena, player)) {
        player.pos.y++;
      }
      player.pos.y--;
      merge(arena, player);
      arenaSweep();
      playerReset();
      updateScore();
      dropCounter = 0;
    }
 
    function playerMove(dir) {
      player.pos.x += dir;
      if (collide(arena, player)) player.pos.x -= dir;
    }
 
    function playerReset() {
      const pieces = 'TJLOSZI';
      if (!player.next) {
        player.next = createPiece(pieces[Math.floor(Math.random() * pieces.length)]);
      }
      player.matrix = player.next;
      player.next = createPiece(pieces[Math.floor(Math.random() * pieces.length)]);
      player.pos.y = 0;
      player.pos.x = Math.floor(arena[0].length / 2) - Math.floor(player.matrix[0].length / 2);
      drawPreview();
      if (collide(arena, player)) {
        messageEl.innerText = '💥 게임 오버!';
        restartBtn.style.display = 'inline';
        gameOver = true;
        cancelAnimationFrame(animationFrame);
      }
    }
 
    function arenaSweep() {
      let rowCount = 0;
      const lineClearSound = document.getElementById(&quot;line-clear&quot;);
      outer: for (let y = arena.length - 1; y &gt;= 0; --y) {
        for (let x = 0; x &lt; arena[y].length; ++x) {
          if (arena[y][x] === 0) continue outer;
        }
        arena.splice(y, 1);
        arena.unshift(new Array(arena[0].length).fill(0));
        y++;
        rowCount++;
        lineClearSound.currentTime = 0;
        lineClearSound.play();
      }
      if (rowCount &gt; 0) {
        combo++;
        player.score += rowCount * 10;
        messageEl.innerText = `🔥 콤보 ${combo}!! +${rowCount * 10}점`;
        setTimeout(() =&gt; messageEl.innerText = '', 1000);
        if (player.score &gt;= player.level * 100) {
          player.level++;
          dropInterval *= 0.9;
        }
      } else {
        combo = 0;
      }
    }
 
    function updateScore() {
      document.getElementById('score').innerText = player.score;
      document.getElementById('level').innerText = player.level;
    }
 
    let dropCounter = 0;
    let dropInterval = 1000;
    let lastTime = 0;
    let animationFrame;
 
    function update(time = 0) {
      const deltaTime = time - lastTime;
      lastTime = time;
      dropCounter += deltaTime;
      if (dropCounter &gt; dropInterval) playerDrop();
      draw();
      animationFrame = requestAnimationFrame(update);
    }
 
    function restartGame() {
      arena.forEach(row =&gt; row.fill(0));
      player.score = 0;
      player.level = 1;
      combo = 0;
      dropInterval = 1000;
      gameOver = false;
      restartBtn.style.display = 'none';
      messageEl.innerText = '';
      updateScore();
      playerReset();
      update();
    }
 
    document.addEventListener('keydown', event =&gt; {
      if (gameOver) return;
      if (event.key === 'ArrowLeft') playerMove(-1);
      else if (event.key === 'ArrowRight') playerMove(1);
      else if (event.key === 'ArrowDown') playerDrop();
      else if (event.key === ' ') hardDrop();
      else if (event.key === 'q') playerRotate(-1);
      else if (event.key === 'w') playerRotate(1);
    });
 
    playerReset();
    updateScore();
    update();
      function drawPreview() {
  previewContext.setTransform(1, 0, 0, 1, 0, 0);
  previewContext.clearRect(0, 0, previewCanvas.width, previewCanvas.height);
  const scale = 30;
  previewContext.scale(scale, scale);
  previewContext.fillStyle = '#222';
  previewContext.fillRect(0, 0, previewCanvas.width / scale, previewCanvas.height / scale);
 
  if (player.next) {
    const offsetX = Math.floor((previewCanvas.width / scale - player.next[0].length) / 2);
    const offsetY = Math.floor((previewCanvas.height / scale - player.next.length) / 2);
    player.next.forEach((row, y) =&gt; {
      row.forEach((value, x) =&gt; {
        if (value !== 0) {
          previewContext.fillStyle = colors[value];
          previewContext.fillRect(x + offsetX, y + offsetY, 1, 1);
        }
      });
    });
  }
}
      
  &lt;/script&gt;
&lt;/body&gt;
&lt;/html&gt;

					
✅ 마무리

웹 브라우저 기반으로 동작하는 HTML5 테트리스는 학습용, 포트폴리오, 게임 웹사이트용으로도 유용합니다.
🎮 HTML5 테트리스 풀버전 – 브라우저에서 직접 플레이!

🕹️ 조작 방법

📌 주요 기능

📦 전체 코드

✅ 마무리

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