القائمة
基于 Three.js 实时渲染的 3D 几何体验证码系统，支持软阴影和 Raycaster 点击交互。后端生成 6 个大小严格互不相同的 3D 几何体元数据（位置、旋转、缩放、颜色、类型），前端使用多光源布光和正交相机实现公平大小比较。适用于实现或修改基于点击的 3D 几何体验证码，或将图形验证码集成到邮件验证码发送等敏感操作中。
التثبيت باستخدام Codex أو Claude انسخ هذا Prompt والصقه في Codex أو Claude أو مساعد آخر ليراجع صفحة Skill ويثبّتها لك.
استنادا إلى تصنيف SOC المهني
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基于真实项目沉淀的 React Native 移动端 App 一键构建方案。覆盖 Expo 初始化、monorepo 共享包、鉴权路由、API 适配、主题系统与构建发布。
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腾讯云官方的邮件推送 SES 服务使用 skill。 涵盖：SMTP 发送邮件所需的全部环境变量、API 接口设计规范、验证码邮件的完整发送流程（含人机验证、频率控制、Redis 存储）。 本 skill 以网络协议 / HTTP API 接口级别描述，不绑定具体编程语言。
| name | 3d-shape-captcha |
| description | 基于 Three.js 实时渲染的 3D 几何体验证码系统，支持软阴影和 Raycaster 点击交互。后端生成 6 个大小严格互不相同的 3D 几何体元数据（位置、旋转、缩放、颜色、类型），前端使用多光源布光和正交相机实现公平大小比较。适用于实现或修改基于点击的 3D 几何体验证码，或将图形验证码集成到邮件验证码发送等敏感操作中。 |
| tags | ["captcha","3d","three.js","go","vue","security"] |
| model | deepseek-chat |
| rootUrl | https://raw.githubusercontent.com/LSTM-Kirigaya/jinhui-skills/main/skills/3d-shape-captcha/SKILL.md |
| examples | ["给邮件验证码发送接口加一个 3D 几何体点击验证码，防止被脚本批量刷接口","把现有图片验证码升级为 Three.js 3D 渲染的几何体识别验证码，增强抗 OCR 能力"] |
A click-based geometric CAPTCHA system with real-time 3D rendering, multi-light shadows, and proportional scale generation guaranteeing 6 unique sizes.
Backend (Go) Frontend (Vue3 + Three.js)
| |
Generate 6 shape Render WebGL scene
metadata (no PNG) with shadows
| |
Store in Redis <--- Raycaster click
| detects object
Validate shapeIndex |
| |
Issue token ---------> Success
Backend generates scene metadata only. Frontend renders the actual 3D scene with Three.js. User clicks are validated by object index, not pixel coordinates.
assets/backend-captcha.go — Complete Go implementation (captcha generation + verification)references/backend-api.md — API specification, data models, Redis schema, scale algorithm[0.55, 1.30] with equal-interval base values plus ±0.03 jitter. Base interval (0.15) > 2× jitter range (0.06) mathematically guarantees all 6 scales are uniquescale³ as uniform metric regardless of shape type| Key | Value | TTL |
|---|---|---|
captcha:{id} | JSON: {targetIndex, shapes[], prompt, targetShape} | 5 min |
captcha_token:{token} | "1" | 5 min |
POST /api/captcha/generate — Returns 6 shape metadataPOST /api/captcha/verify — Receives {captchaId, shapeIndex}, returns token on successValidateCaptchaToken(redis, token) — Utility for other controllers (e.g. email verification)assets/CaptchaDialog.vue — Complete Vue3 component with Three.js sceneassets/api-index.js — API client functionsreferences/frontend-integration.md — Scene setup, lighting config, raycaster, responsive CSS| Component | Configuration |
|---|---|
| Renderer | WebGLRenderer, antialias, shadowMap enabled, PCFSoftShadowMap |
| Camera | OrthographicCamera (frustumSize=7.5), position (8,8,8), lookAt (0,0.5,0) |
| Lights | Ambient(0.35) + Hemisphere(0.4) + Directional(1.4, casts shadow) + Fill(0.25) + Rim Point(0.4) |
| Ground | PlaneGeometry(20,20), MeshStandardMaterial, receiveShadow |
| Material | MeshStandardMaterial, roughness=0.35, metalness=0.08 |
type | Shape | Three.js Geometry |
|---|---|---|
| 0 | Cube | BoxGeometry(1,1,1) |
| 1 | Cylinder | CylinderGeometry(0.5,0.5,1,32) |
| 2 | Triangular prism | CylinderGeometry(0.5,0.5,1.25,3) |
Triangular prism uses height 1.25 (vs 1.0 for others) for better visual distinction.
Use THREE.Raycaster to detect clicked mesh. Each mesh stores its index in userData.index. Send this index to backend for verification.
captchaToken field to email send requestcaptcha.ValidateCaptchaToken(redis, token) before sending emailCaptchaDialog before requesting email codesuccess event, receive token and include it in email API callassets/backend-captcha.goassets/CaptchaDialog.vueassets/api-index.jsreferences/backend-api.mdreferences/frontend-integration.md