How I Built Three Small Party Games for a Spring Dinner

说明与用途

作者为一次晚宴开发了三个轻量级 Node.js 游戏：多人记忆游戏、单屏石头剪刀布展示和抽奖机，每个项目都采用无数据库、局部部署的设计，强调服务器权威、预先确定动画结果和高效的无重复抽取。

问题

Create lightweight, event‑friendly games that can run on a laptop and projector without complex infrastructure.

结果

Three small, self‑contained games that can be deployed on a laptop and projector, demonstrating simple server‑authoritative logic, pre‑determined animation outcomes, and efficient no‑repeat number drawing.

工作流

• 1. Implement each game as a small Node.js app with Express and plain HTML/CSS/JS.
• 2. For the multiplayer game, use Socket.IO to share a single in‑memory game state and enforce authoritative checks.
• 3. For the RPS display, pre‑select the outcome before animating to ensure visual and logical consistency.
• 4. For the lottery, maintain an array of available numbers, remove drawn numbers, and animate slot reels.
• 5. Publish each project on GitHub with README and instructions to run locally.
• 6. Share the code so others can adapt for parties, classrooms, or meetings.

证据

All three are intentionally small Node.js applications. They serve static files with Express, keep the browser UI in plain HTML/CSS/JavaScript, and avoid a database.

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The server owns one in‑memory game state: ...

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I choose the result first: ...

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The pool is built by walking the inclusive range and skipping excluded values.

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I would only run the unmodified version on a trusted local network.

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