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Unity Pico Design

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Besty0728
unity-pico-design

Doc-anchored design rules for PICO Unity Integration SDK v3.4.0 — XR/MR/platform services, version diffs 2.x-3.4, hallucination shields

Overview

PublisherBesty0728
RepositoryUnity-Skills
Skill nameunity-pico-design
Stars
1.8K
Forks
164
Bundled files
9
LicenseMIT
Links
Skill sourceRepositoryHomepage
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • 9 bundled files

    Scripts, templates, and references the model can read while it works. Files are read-only and never executed.

  • Open source

    Published by Besty0728 on GitHub. Read the source before you install it.

Installation

Install the Unity Pico Design AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Use it in TypingMind

Enable Unity Pico Design in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Unity Pico Design on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Unity Pico Design is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Before calling any skill in this module: if you are about to call a skill with parameters guessed from its name or description, STOP — read this file (or fetch its schema via GET /skills/recommend?includeSchema=true) first. If you already have the parameter definitions from recommend/schema, you may proceed straight to dryRun.

Triggers

  • Writing or reviewing PICO Unity Integration SDK (PXR_* / Pico.Platform) code
  • Setting up a PICO XR project or choosing the Unity OpenXR plugin route
  • Video seethrough / spatial anchors / spatial mesh / SecureMR / platform services
  • Migrating from SDK 2.x or an older 3.x version
  • 编写或审查 PICO Unity SDK 代码、配置 PICO 项目或 OpenXR 路线、透视/锚点/网格/SecureMR/平台服务、2.x→3.x 版本迁移

PICO Unity SDK - Design Rules（v3.4.0）

Advisory 模块。全部规则提炼自 PICO 官方文档 v3.4.0（2026-08-13 全量抓取：指南 203 页 + API 参考 32 页 + 更新说明 14 个版本 + 8 个版本的 API 快照 diff）。SDK 闭源，锚定方式为官方文档 URL——每条规则可点击复核。正文中文，API 名保持英文。

Mode: Documentation only——无 REST skills 可门禁；Approval / Auto / Bypass 任何模式下均可自由加载。

为什么需要本模块

AI 训练语料中的 PICO 知识大量停留在 SDK 2.x / 早期 3.x：旧振动接口、AnchorEntity 事件三段式、PXR_SDK > 菜单、PXR_EyeTracking 类……这些在 3.4.0 已废弃或更名。3.2.0 一个版本就废弃了 PXR_Input 30 个成员、PXR_MotionTracking 27 个成员。凭记忆写 PICO 代码 = 高概率幻觉。生成任何 PICO 代码前先加载本模块对应子文档。

Critical Rule Summary（跨域最高优先级，子文档细读前也要记住）

#规则详见
1PICO XR 插件与 Unity OpenXR 插件二选一：同时勾选只有 PICO XR 生效；OpenXR 路线勾选其他厂商插件会导致应用无法运行SETUP.md
2PXR_Manager 必须挂每一个场景（含加载场景）；SDK 3.1.0 起仅支持 64 位（IL2CPP + 仅 ARM64），且 Unity 菜单是 PICO 不是 PXR_SDKSETUP.md
3PXR_MotionTracking 系方法返回 int 状态码（0 成功）不是 bool；SetFoveationLevel 是两参且 None = -1API_REFERENCE.md
4旧触觉接口全组（SetControllerVibration / StartVibrateBy* / CreateHapticStream 等）3.2.0 已废弃 → 现行 SendHapticImpulseVERSIONS.md
5MR 全家（锚点/场景标定/平面检测）操作前必须 StartSenseDataProvider；anchor handle 重启失效，跨会话只能存 UUID；删锚点先 UnPersist 再 DestroyMR.md
6视频透视四前置：禁后处理、Vulkan 下禁 HDR、Clear Flags=Solid Color、背景 RGBA 全 0；EnableVideoSeeThrough 生效有延迟且 resume 后要重调MR.md
7手柄与裸手不能同时追踪（Controller And Hands 是自动切换）；全身动捕与体感追踪器独立追踪互斥INTERACTION.md
8平台服务：CoreService.AsyncInitialize 判两层（IsError + Success/AlreadyInitialized）；房间/匹配/排行榜/成就还需 GameInitializePLATFORM.md
9面部追踪在 v3.4.0 是官方矛盾区：指南在教的 API 同版本已标 Deprecated，语料无替代类——可沿用但标注状态，勿编造新 APIPITFALLS.md
10渲染互斥矩阵：AppSW×BufferDiscards=撕裂、AppSW×内容保护=拖影、LateLatching×合成层=抖动、超分×锐化同 Buffer 只生效超分RENDERING.md

Sub-doc Routing

子文档何时读
SETUP.md环境搭建、双插件路线选择、项目设置、AndroidManifest、Project Validation、Building Blocks、AR Foundation、工具与示例索引
RENDERING.mdFFR/ETFR、超分/锐化、合成层（Overlay/Underlay）、多视图、自适应分辨率、AppSW、Late Latching、URP、空间音频、性能目标
INTERACTION.md控制器输入映射、触觉反馈、手势/眼动/面部/身体追踪、体感追踪器、系统键盘、与 XRI 的关系
MR.md视频透视、空间锚点（含共享）、空间网格、场景标定、平面检测、MR 安全防护、空间数据权限、相机图像双路线、2.5→3.x MR 迁移
SECUREMR.mdSecureMR 框架（3.2.0+）：Tensor/Operator/Pipeline 概念、gltf 渲染、Dynamic Texture、Readback、JavaScript Operator
PLATFORM.md平台服务精要：初始化、账号/好友、成就、排行榜、IAP、DLC、云存档、房间&匹配、RTC、内容保护、企业服务概览
API_REFERENCE.mdXR 核心 9 类逐方法签名表（含 Deprecated 标记）、PXR_Enterprise 方法域清单、Legacy API 处置
VERSIONS.md版本时间线（v2.0.1→v3.4.0）、逐版本方法级 API 增/删/废弃表、2.x→3.x 迁移要点——废弃清单以本文件为单一事实源
PITFALLS.md幻觉陷阱总闸：废弃 API 黑名单、签名语义陷阱、互斥矩阵、构建陷阱、官方文档自身矛盾清单、能力边界

Routing to Other Modules

  • 通用 XR Interaction Toolkit 交互（rig/抓取/传送/XR UI）→ xr（本模块只覆盖 PICO 特有部分）
  • 架构与生命周期决策 → architecture / patterns / async
  • 性能审查热路径 → performance
  • URP 资产与渲染管线操作 → urp / graphics 功能模块

Version Scope

锚定 v3.4.0（2026-02-27 上线，2026-08-13 抓取）。文档站可切换版本：3.4.0 / 3.3.2 / 3.3.0 / 3.2.0 / 3.1.0 / 3.0.5 / 3.0.0 / 2.5.0；更新说明覆盖至 v2.0.1。关键分水岭：

  • 3.0.0：MR 接口全面重构（AnchorEntity 事件式 → *Async + SenseDataProvider）
  • 3.1.0：菜单 PXR_SDK → PICO；仅支持 64 位应用
  • 3.2.0：史上最大废弃潮（PXR_Input 30 成员、PXR_MotionTracking 27 成员、PXR_System 面部/亮度组）；SecureMR 登场
  • 3.3.0：PXR_Over Lay → PXR_Composition Layer；部分 API 跨类搬家至 PXR_Enterprise
  • 3.4.0：平面检测、PXR_CameraImage（用户设备相机数据）、SecureMR JavaScript Operator

SDK 新版本发布后的语料更新方法见 memory：temp/pico-crawl/ 脚本重跑即可。

使用铁律

  1. 写 PICO 代码前先读对应子文档；语料查不到的 API 宁可声明"官方文档未记载"也不要按记忆补全。
  2. 官方文档自身有矛盾（面部追踪、XRI 版本口径、SecureMR 双套命名）——矛盾区处置见 PITFALLS.md 第五节，不要只信单页。
  3. 版本迁移问题一律先查 VERSIONS.md 的方法级增删表再回答。

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

Frequently asked questions

What does the Unity Pico Design AI skill do?

Doc-anchored design rules for PICO Unity Integration SDK v3.4.0 — XR/MR/platform services, version diffs 2.x-3.4, hallucination shields

Why use Unity Pico Design on TypingMind?

Because you install it once and use it with any model. Unity Pico Design is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Unity Pico Design in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/Besty0728/Unity-Skills/tree/main/SkillsForUnity/unity-skills~/skills/pico-design. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Unity Pico Design?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Unity Pico Design?

As many as you like. As long as a model supports skills, you can use Unity Pico Design with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Unity Pico Design AI skill free?

Yes. It is published on GitHub by Besty0728 under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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