https://github.com/ebadier/vivetrackers

A simple library to use HTC Vive Tracker devices in Unity
https://github.com/ebadier/vivetrackers

csharp htc-vive motion-capture openvr steamvr tracking unity3d virtual-reality vive-trackers

Last synced: 2 months ago
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A simple library to use HTC Vive Tracker devices in Unity

• Host: GitHub
• URL: https://github.com/ebadier/vivetrackers
• Owner: ebadier
• License: mit
• Created: 2020-06-09T19:27:38.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2024-05-29T17:50:44.000Z (8 months ago)
• Last Synced: 2024-05-30T07:55:48.534Z (8 months ago)
• Topics: csharp, htc-vive, motion-capture, openvr, steamvr, tracking, unity3d, virtual-reality, vive-trackers
• Language: C#
• Homepage:
• Size: 6.15 MB
• Stars: 33
• Watchers: 1
• Forks: 9
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md

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README

        
![alt text](Doc/ViveTrackers_Doc.png)

## Use HTC Vive Tracker devices in Unity3D with the following benefits

- Directly use OpenVR API for best performance

- Current features include update of positions, rotations, and Pogo-Pins buttons

- Small library, easy to integrate in any projects

- A simulator, to develop without having a Vive tracking system connected

- A complete test scene to understand the use of the library

- Some [documentation](Doc/ViveTrackersDocumentation.pdf) to setup Unity3D, SteamVR (**with & without an HMD connected**), and Windows to get the best tracking quality from your Vive Trackers

## Getting Started

#### 1. Open SteamVR, configure your tracking space, connect your Vive Trackers, and leave SteamVR running in the background.

#### 2. Open the ViveTrackersTest scene in Unity and press Play.

#### 3. Hotkeys used to control the application:

- **F1** : show/hide local reference frames of ViveTrackers.

- **F5** : refresh the list of currently connected ViveTrackers.

- **F8** : calibrate the ViveTrackers (make their local reference frames aligned with the **O**rigin reference frame).

- **F6** : save the last calibration.

- **F7** : load the last calibration.

#### 4. Understanding the code: 

- The update of all ViveTrackers (position, rotation, and optionally buttons) happens at the first line in [ViveTrackersTest.Update()](Scripts/ViveTrackersTest.cs#L52-L77), see [ViveTrackersManager.UpdateTrackers()](Scripts/ViveTrackersManager.cs#L117-L144) for more details.

- ViveTrackersManager contains a list of all connected ViveTrackers.

- Optionally, ViveTrackersManager can create only a restricted set of ViveTrackers declared in the file [ViveTrackers.csv](Scripts/ViveTrackers.csv) (see [documentation/"Keep Vive Trackers identification consistent during runtime"](Doc/ViveTrackersDocumentation.pdf)).

- To log your ViveTrackers serial numbers in the console, ensure ViveTrackersManager.logTrackersDetection is enabled in Unity editor.

- You can access the last position/rotation of ViveTrackers using their transform.localPosition/localRotation.

- You can also register to some [actions](Scripts/ViveTracker.cs#L190-L197) to know if the pogo-pins corresponding to Grip/Trigger/TouchPad/Menu buttons are pressed or released.

## System requirements

Unity ***2017.4.35f1*** and newer versions