Browser-based-Block-Game/index.html at main · Jst-Tan/Browser-based-Block-Game · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover">
    <meta name="theme-color" content="#000000">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
    <title>The Falling Grid</title>
    <meta name="description" content="The Falling Grid — place blocks, clear lines, and beat the clock in this browser puzzle game.">
    <link rel="icon" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect width='32' height='32' rx='8' fill='%230a84ff'/%3E%3Crect x='6' y='6' width='9' height='9' rx='2' fill='white' opacity='.9'/%3E%3Crect x='17' y='6' width='9' height='9' rx='2' fill='white' opacity='.45'/%3E%3Crect x='6' y='17' width='9' height='9' rx='2' fill='white' opacity='.45'/%3E%3Crect x='17' y='17' width='9' height='9' rx='2' fill='white' opacity='.75'/%3E%3C/svg%3E">
    <link rel="stylesheet" href="style.css">
</head>
<body>
    <noscript>
        <p class="noscript">The Falling Grid requires JavaScript. Please enable it to play.</p>
    </noscript>
    <div class="page-bg" aria-hidden="true"></div>

    <main class="app">
        <header class="header">
            <div class="header__brand">
                <div class="header__mark" aria-hidden="true">
                    <svg width="28" height="28" viewBox="0 0 28 28" fill="none">
                        <rect x="4" y="4" width="8" height="8" rx="2" fill="currentColor" opacity="0.9"/>
                        <rect x="16" y="4" width="8" height="8" rx="2" fill="currentColor" opacity="0.5"/>
                        <rect x="4" y="16" width="8" height="8" rx="2" fill="currentColor" opacity="0.5"/>
                        <rect x="16" y="16" width="8" height="8" rx="2" fill="currentColor"/>
                    </svg>
                </div>
                <div>
                    <h1>The Falling Grid</h1>
                    <span>Block puzzle</span>
                </div>
            </div>
            <div class="header__scores" aria-live="polite" aria-atomic="true">
                <div class="score-block" id="score-block-current">
                    <span class="label">Score</span>
                    <span class="value" id="current-score">0</span>
                </div>
                <div class="score-block score-block--dim" id="score-block-best">
                    <span class="label">Best</span>
                    <span class="value" id="high-score">0</span>
                </div>
            </div>
            <div class="header__actions">
                <button id="btn-pause" class="icon-btn" type="button" aria-label="Pause">
                    <svg width="18" height="18" viewBox="0 0 18 18" fill="currentColor" aria-hidden="true"><rect x="3" y="2" width="4" height="14" rx="1"/><rect x="11" y="2" width="4" height="14" rx="1"/></svg>
                </button>
                <button id="btn-info" class="icon-btn" type="button" aria-label="Help">
                    <svg width="18" height="18" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.75" aria-hidden="true"><circle cx="9" cy="9" r="7"/><path d="M9 8v5M9 5.5v.5" stroke-linecap="round"/></svg>
                </button>
                <button id="btn-sound" class="icon-btn" type="button" aria-label="Sound on">
                    <svg id="sound-icon-on" class="icon-btn__glyph" width="18" height="18" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.75" aria-hidden="true"><path d="M3 7v4h3l4 3V4L6 7H3z"/><path d="M12 6.5a4 4 0 010 5M14 4.5a7 7 0 010 9" stroke-linecap="round"/></svg>
                    <svg id="sound-icon-off" class="icon-btn__glyph hidden" width="18" height="18" viewBox="0 0 18 18" fill="none" stroke="currentColor" stroke-width="1.75" aria-hidden="true"><path d="M3 7v4h3l4 3V4L6 7H3z"/><path d="M14 5l-8 8M6 5l8 8" stroke-linecap="round"/></svg>
                </button>
            </div>
        </header>

        <section class="metrics" aria-label="Session stats">
            <article class="metric metric--hero">
                <div class="metric__row">
                    <span class="label" id="time-status-text">Time remaining</span>
                    <strong class="metric__hero-value" id="time-remaining-text">300s</strong>
                </div>
                <div class="bar bar--hero"><div class="bar__fill" id="game-timer-bar"></div></div>
            </article>
            <article class="metric metric--compact" id="shift-metric" aria-label="Seconds until the board rotates">
                <span class="label">Rotates in</span>
                <strong class="metric__value" id="gravity-countdown">30s</strong>
                <span class="metric__sub" id="gravity-dir-box">
                    <svg class="rotate-arrow clockwise" viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true"><path d="M21 12a9 9 0 1 1-2.2-6M21 3v5h-5"/></svg>
                    <svg class="rotate-arrow counter-clockwise hidden" viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true"><path d="M3 12a9 9 0 1 0 2.2-6M3 3v5h5"/></svg>
                </span>
            </article>
            <article class="metric metric--compact metric--level">
                <div class="metric__row">
                    <span class="label">Level <strong id="player-level">1</strong></span>
                    <span class="level-xp" id="level-xp-text">0%</span>
                </div>
                <div class="bar bar--thin"><div class="bar__fill bar__fill--accent" id="level-progress-bar"></div></div>
                <span class="level-bonus" id="level-bonus-text">+0% score</span>
            </article>
        </section>

        <section class="board-wrap" id="board-frame-container" aria-label="Game board">
            <canvas id="particle-canvas" aria-hidden="true"></canvas>
            <div class="board-grid" id="board" role="grid"></div>
        </section>

        <section class="tray" aria-label="Pieces and tools">
            <div class="tray__meta">
                <span>3 pieces · tap to rotate</span>
                <span class="tray__cost">−3s per placement</span>
            </div>
            <div class="pieces-shelf" id="pieces-shelf"></div>
            <div class="tray__tools">
                <div class="hold">
                    <div class="hold-slot" id="hold-slot" title="Held piece"></div>
                    <button id="btn-hold" class="chip" type="button">Hold</button>
                </div>
                <button id="btn-undo" class="chip" type="button">Undo <span class="chip__cost">500</span></button>
                <button id="btn-freeze" class="chip" type="button">Freeze <span class="chip__cost">1000</span></button>
            </div>
        </section>

        <p class="streak-line">Streak <strong id="streak-count">0</strong> · single-color line = 2× points</p>

        <footer class="game-footer">
            <p>Built by Jst Tan, playable on any browser</p>
        </footer>
    </main>

    <div class="event-popup" id="event-popup" aria-live="assertive" hidden>
        <div class="event-popup__card" id="event-popup-card">
            <div class="event-popup__icon" id="event-popup-icon" aria-hidden="true"></div>
            <h3 id="event-popup-title"></h3>
            <p id="event-popup-msg"></p>
            <p class="event-popup__bonus" id="event-popup-bonus"></p>
            <button type="button" class="btn btn--primary" id="event-popup-continue">Continue</button>
        </div>
    </div>

    <div class="modal active" id="modal-intro" role="dialog" aria-modal="true" aria-labelledby="intro-title">
        <div class="modal__sheet">
            <div class="modal__handle" aria-hidden="true"></div>
            <div class="modal__hero">
                <div class="modal__logo" aria-hidden="true">
                    <svg width="48" height="48" viewBox="0 0 48 48" fill="none">
                        <rect x="6" y="6" width="14" height="14" rx="4" fill="currentColor"/>
                        <rect x="28" y="6" width="14" height="14" rx="4" fill="currentColor" opacity="0.45"/>
                        <rect x="6" y="28" width="14" height="14" rx="4" fill="currentColor" opacity="0.45"/>
                        <rect x="28" y="28" width="14" height="14" rx="4" fill="currentColor" opacity="0.75"/>
                    </svg>
                </div>
                <h2 id="intro-title">The Falling Grid</h2>
                <p class="modal__tagline">Place blocks. Clear lines. The board turns. Time falls.</p>
            </div>

            <div class="rules">
                <article class="rule">
                    <h3 class="rule__title">Play</h3>
                    <p class="rule__text">Drag 3 pieces onto the 8×8 grid. Clear full rows or columns.</p>
                </article>
                <article class="rule">
                    <h3 class="rule__title">Falling blocks</h3>
                    <p class="rule__text">Blocks fall after every move. Every 30s the board rotates — tap continue, then it spins.</p>
                </article>
                <article class="rule">
                    <h3 class="rule__title">Chroma</h3>
                    <p class="rule__text">Clear a line in one color only for double points.</p>
                </article>
                <article class="rule">
                    <h3 class="rule__title">Level up</h3>
                    <p class="rule__text">Every 1,000 score: more points per move, slightly faster clock.</p>
                </article>
            </div>

            <button id="btn-start" class="btn btn--primary btn--block" type="button">Start playing</button>
        </div>
    </div>

    <div class="modal" id="modal-paused" role="dialog" aria-modal="true">
        <div class="modal__sheet modal__sheet--compact">
            <h2 class="modal__title-center">Paused</h2>
            <p class="modal__subtitle">Take a breath — your timer is stopped.</p>
            <button id="btn-resume" class="btn btn--primary btn--block" type="button">Resume</button>
        </div>
    </div>

    <div class="modal" id="modal-gameover" role="dialog" aria-modal="true">
        <div class="modal__sheet modal__sheet--compact">
            <h2 class="modal__title-center">Session ended</h2>
            <p class="badge-new-best hidden" id="new-best-badge">New personal best</p>
            <p class="modal__reason" id="gameover-reason"></p>
            <div class="results">
                <div class="result-card">
                    <span>Score</span>
                    <strong id="final-score">0</strong>
                </div>
                <div class="result-card">
                    <span>Level</span>
                    <strong id="final-level">1</strong>
                </div>
                <div class="result-card">
                    <span>Chroma</span>
                    <strong id="final-chromas">0</strong>
                </div>
            </div>
            <button id="btn-restart" class="btn btn--primary btn--block" type="button">Play again</button>
        </div>
    </div>

    <script src="game.js"></script>
</body>
</html>