raykkretzschmar.github.io/gravity.html at main · RaykKretzschmar/raykkretzschmar.github.io · 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">
    <meta name="description"
        content="Experience an interactive gravity simulation created by Rayk Kretzschmar. Explore physics concepts through this engaging and visually stunning web experiment.">
    <meta name="robots" content="noindex">
    <title>Interactive Gravity Simulation by Rayk Kretzschmar</title>
    <link rel="icon" type="image/x-icon" href="favicon.ico">
    <style>
        html,
        body {
            margin: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            background-color: #000;
            color: #fff;
            font-family: 'Inter', sans-serif;
        }

        canvas {
            display: block;
            position: fixed;
            inset: 0;
            width: 100vw;
            height: 100vh;
        }

        #ui {
            position: absolute;
            top: 20px;
            left: 20px;
            max-width: min(420px, calc(100vw - 40px));
            padding: 14px 16px;
            border-radius: 12px;
            background: linear-gradient(145deg, rgba(18, 24, 36, 0.82), rgba(8, 12, 20, 0.68));
            border: 1px solid rgba(255, 255, 255, 0.16);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
            backdrop-filter: blur(6px);
            pointer-events: none;
        }

        h1 {
            margin: 0;
            font-size: 1.4rem;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
        }

        #ui p {
            margin: 8px 0 0;
            font-size: 0.95rem;
            line-height: 1.45;
            opacity: 0.92;
        }

        #ui .controls {
            margin-top: 10px;
            font-size: 0.85rem;
            opacity: 0.8;
            letter-spacing: 0.01em;
        }

        .back-link {
            position: absolute;
            top: 20px;
            right: 20px;
            color: #fff;
            text-decoration: none;
            background: rgba(255, 255, 255, 0.1);
            padding: 8px 16px;
            border-radius: 20px;
            backdrop-filter: blur(5px);
            transition: background 0.2s;
            pointer-events: auto;
        }

        .back-link:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        @media (max-width: 700px) {
            #ui {
                top: 12px;
                left: 12px;
                max-width: calc(100vw - 24px);
                padding: 12px 13px;
            }

            .back-link {
                top: 12px;
                right: 12px;
                padding: 7px 12px;
                font-size: 0.9rem;
            }
        }
    </style>
</head>

<body>
    <div id="ui">
        <h1>Gravity Simulator</h1>
        <p>Build a dynamic orbital system by launching new bodies and watching them bend trajectories through mutual
            gravity.</p>
        <p class="controls">Controls: click and drag to set launch velocity. Use arrow keys or WASD to move the camera.
        </p>
    </div>
    <a href="index.html" class="back-link">← Back to Home</a>
    <canvas id="simCanvas"></canvas>
    <script src="gravity.js"></script>
</body>

</html>