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HPTK

jorgejgnz/HPTK

Hand Physics Toolkit (HPTK) enables modular, physics-based hand interactions for VR, AR, and standard applications. Platform and input-independent, it supports hand tracking and controllers with configurable physics, realistic gesture detection, and seamless avatar integration across any scale.

com.jorgejgnz.hptk
ar-and-vrinput-managementphysics

Install via UPM

Add to Unity Package Manager using this URL

https://www.pkglnk.dev/hptk.git

README Markdown

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## Installation

Add **HPTK** to your Unity project via Package Manager:

1. Open **Window > Package Manager**
2. Click **+** > **Add package from git URL**
3. Enter:
```
https://www.pkglnk.dev/hptk.git
```

[![pkglnk](https://www.pkglnk.dev/badge/hptk.svg?style=pkglnk)](https://www.pkglnk.dev/pkg/hptk)

README

logo
License: MIT version


Hand Physics Toolkit (HPTK) is a toolkit to implement hand-driven interactions in a modular and scalable way. Platform-independent. Input-independent. Scale-independent. Can be combined with MRTK-Quest for UI interactions.


A ready-to-go project is available at HPTK-Sample.

sample

⚠️ Project Status: No longer maintained

This project is no longer actively maintained or supported. If you want to continue the development, feel free to make a fork. Thanks to everyone who contributed, used or supported this project!

Main features

  • Data model to access parts, components or calculated values with very little code
  • Code architecture based on MVC-like modules. Support to custom modules
  • Platform-independent. Tested on VR/AR/non-XR applications
  • Input-independent. Use hand tracking or controllers
  • Pupettering for any avatar or body structure
  • Scale-independent. Valid for any hand size
  • Realistic configurable hand physics
  • Define strategies to deal with tracking loss
  • Physics-based hover/touch/grab detection
  • Tracking noise smoothing

Documentation

Some documentation entries:

Supported versions

  • Unity 2022
  • Unity 2019-2021 (Legacy)

Supported input

Hand tracking

  • Meta Quest - Android
  • Leap Motion - Standalone

Controllers

  • Oculus Touch
  • WMR
  • Vive
  • OpenVR

Supported render pipelines

  • Universal Render Pipeline (URP)
  • Standard RP

Getting started with HPTK (Oculus Quest)

  1. Obtain HPTK
  2. Change ProjectSettings & BuildSettings
  3. Import the built-in integration packge (if needed)
  4. Drag & drop the default setup to your scene
  5. Build and test

Check documentation for a detailed step-by-step guide.

Author

Jorge Juan González

LinkedIn - Twitter - GitHub

Acknowledgements

Oxters Wyzgowski - GitHub - Twitter

Michael Stevenson - GitHub

Andreea Muresan, Jess Mcintosh, and Kasper Hornbæk. 2023. Using Feedforward to Reveal Interaction Possibilities in Virtual Reality. ACM Trans. Comput.-Hum. Interact. 30, 6, Article 82 (December 2023), 47 pages. https://doi.org/10.1145/3603623

Nasim, K, Kim, YJ. Physics-based assistive grasping for robust object manipulation in virtual reality. Comput Anim Virtual Worlds. 2018; 29:e1820. https://doi.org/10.1002/cav.1820

Linn, Allison. Talking with your hands: How Microsoft researchers are moving beyond keyboard and mouse. The AI Blog. Microsoft. 2016 https://blogs.microsoft.com/

License

MIT

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