HPTK Posing & Snapping

Realistic hand poses and physics-based grabbing logic for your game!

Demo available!

Oculus Quest 1/2

Documentation

HPTK Features

✔️ Valid for VR / MR / non-XR applications

✔️ Valid for both hand tracking and controllers

✔️ Compatible with UnityXR, OVR & MRTK

✔️ Compatible with FinalIK

✔️ Compatible with full body physics (optional)

✔️ Example avatar using full body physics + FinalIK

✔️ Example scene using Oculus Quest (hand tracking + controllers)

✔️ Example scene using UnityXR (controllers)

Asset Features

✔️ Procedural grabbing poses

✔️ Physics-based grabbing system

✔️ 13 extra poses

✔️ Valid for any hand size

✔️ Fine-tunable pose generation

✔️ Fine-tunable snapping forces and bones locking

✔️ Example avatar using full body physics + FinalIK + Snapping

✔️ Example scene for multiple posing use cases:

• Posable/snappable gun, card, mug, steering-wheel, ball and bar
• Comparison of rotation modes
• Master-attached posing
• Custom pose grabbing
• Precision grip
• Power grip

Content

• Poser module + Posable component
• Snapper module + Snappable component
• 🔫 Super cool pistol model
• ✋ Rigged hand models

Limitations

• Posable/Snappable objects are required to be Rigidbody + Colliders
• This asset does not include scripts to export posed meshes or armatures

Notice

• ⚠️ HPTK 0.6+ package is required. Available for free on GitHub and OpenUPM
• The 12 voucher codes available for this year for research and rehabilitation purposes have already been issued

This asset uses a pistol model under CC0; see Third-Party Notices.txt file in package for details.

This asset uses hand models from Oculus Integration package under Oculus Master SDK License Agreement - 1.0; see Third-Party Notices.txt file in package for details

Changelog

1.0.0

• Procedural power/pinch grabbing pose
• Performance options

1.1.0

• Snapping system with predictive procedural poses using Unity's physics engine
• Support to custom rigged hands. Wiki

1.1.1

• Option to pose only fingers from a given hand position
• Better control on ghost behaviour when there is no object to grab
• Support to full-body armatures. Wiki

1.2.0

• Example scene for snapping extension
• Object-specific bone collision mapping
• Object-specific bone lock mapping
• Configurable attraction/snapping forces

1.2.1

• Scale-independent posing and snapping
• Layer masks for pose generation
• MRTK compatibility

2.0.0

• Support for HPTK 0.6
• Example avatar using FinalIK
• More stable physics with realistic weights
• Make an object posable by adding 1 component
• Making an object snappable by adding 1 component
• Granular bone locking system
• Improved performance

2.0.1

• Support for remote snapping/unsnapping

2.0.2

• Fixed missing references after candidate/snapped object removal

2.0.3

• Fixed slow hands on Unity 2022.
• New events for grabbable objects.
• New option to control what to do when a object is snapped by multiple hands.

If this was useful for your project, please let me know. I'd love to see your work!