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camellia bloom

A free generative art piece — play it in your browser, no install. 手势控制的白山茶粒子绽放 · Three.js + MediaPipe Hands 21 关键点 + 自定义 GLSL

by @zyR123-star · zyR123-star/camellia-bloom on GitHubLANG JavaScriptHOSTED ON ZYR123-STAR.GITHUB.IOUPDATED 29 Oct 2026

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Controls: Space · Mouse

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From the README

在线预览 → (HTTPS,摄像头可用;桌面 Chrome / Edge 体验最佳)

一握手,花收成一枚苞;一张开手掌,白山茶便一层一层散开,跟着手走,指尖还能轻轻拨动花瓣。

Three.js 粒子 + MediaPipe Hands 21 关键点 + 自定义 GLSL,纯原生 ES Module,无需构建。

上图由 tools/preview.mjs 离线软件渲染,与网页端使用同一套几何、光照与配色。

打开页面 → 点「开启摄像头」→ 举起手,掌心朝向镜头。

第一次会从 jsDelivr 拉 three.js 与 MediaPipe(约 6 MB,有缓存)。 如果网络拉不到手部模型,页面会自动进入演示模式:花朵照常呼吸,按住鼠标/屏幕即可模拟「张开手掌」,不会白屏。

摄像头只在安全上下文下可用( 或

拿到的是临时链接,关掉命令就失效;适合发给朋友当场看。

② 指节伸直度(防止手朝镜头倾斜时,透视把距离压扁)

实测(合成手型扫描):张开 0.95 / 半握 0.64 / 握拳 0.06,随蜷曲单调下降。

平滑:指数趋近,开掌 τ=85 ms、握拳 τ=55 ms(收拢更快,手感更「脆」)。

于是得到 aBud / aBloom 两套顶点,中间过程全部交给 GPU。

Read the full README on GitHub →

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