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Client: minimal browser WebTransport client (HTML/JS)

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- index.html with connect UI, canvas renderer, overlay
- protocol.js with header, QUIC varint, JOIN/INPUT builders, STATE_FULL parser
- client.js to connect, send JOIN, read datagrams, render snakes/apples; basic input handling
This commit is contained in:
Vladyslav Doloman
2025-10-07 22:49:51 +03:00
parent 088c36396b
commit 0ceea925cd
3 changed files with 353 additions and 0 deletions
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client/index.html Normal file
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<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Multiplayer Snake (WebTransport)</title>
<style>
html, body { height: 100%; margin: 0; background: #111; color: #ddd; font-family: system-ui, sans-serif; }
#ui { position: absolute; top: 10px; left: 10px; background: rgba(0,0,0,0.6); padding: 10px; border-radius: 6px; }
label { display: block; margin: 4px 0; font-size: 12px; }
input { width: 360px; }
#overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; color: rgba(255,255,255,0.85); font-size: 24px; font-weight: 600; }
canvas { display: block; width: 100%; height: 100%; image-rendering: pixelated; }
</style>
</head>
<body>
<div id="ui">
<label>Server URL (WebTransport): <input id="url" value="https://localhost:4433/"/></label>
<label>SHA-256 Cert Hash (hex, optional for self-signed): <input id="hash" placeholder="e.g., aabbcc..."/></label>
<label>Name: <input id="name" value="guest"/></label>
<button id="connect">Connect</button>
<span id="status"></span>
</div>
<div id="overlay">press space to join</div>
<canvas id="view"></canvas>
<script src="protocol.js"></script>
<script src="client.js"></script>
</body>
</html>