duyuxuan / OpenXR-Unity-MixedReality-Samples

Sample Unity projects to demo how to use OpenXR plugin in Unity for HoloLens 2 and Mixed Reality headsets

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OpenXR Mixed Reality samples for Unity
These sample projects showcase how to build Unity applications for HoloLens 2 or Mixed Reality headsets using the Mixed Reality OpenXR plugin.
csharp
windows-mixed-reality
hololens

OpenXR + Unity + Mixed Reality Samples

Welcome!

OpenXR-Unity-MixedReality-Samples-MainMenu

These sample projects showcase how to build Unity applications for HoloLens 2 or Mixed Reality headsets using the Mixed Reality OpenXR plugin. For more details on installing related tools and setting up a Unity project, please reference the plugin documentation on https://docs.microsoft.com/.

⚠️ NOTE : This repository uses Git Large File Storage to store large files, such as Unity packages and images. Please install the latest git-lfs before cloning this repo.

Recommended tool versions

It's recommended to run these samples on HoloLens 2 using the following versions:

  • Latest Visual Studio 2019
  • Latest Unity 2020.3 LTS, recommended 2020.3.24f1 or newer (avoid 21-23, see the note below)
  • Latest Unity OpenXR plugin, recommended 1.3.1 or newer
  • Latest Mixed Reality OpenXR Plugin, recommended 1.2.1 or newer
  • Latest MRTK-Unity, recommended 2.7.2 or newer
  • Latest Windows Mixed Reality Runtime, recommended 108 or newer

⚠️ NOTE : Please avoid using Unity 2020.3.21f1, 2020.3.22f1 or 2020.3.23f1, which have a known blocking bug on HoloLens 2 where application rendering appears severe flickering. The new version 2020.3.24f1 is recommended.

Sample for anchors and anchor persistence

AnchorsSample.cs in the ARAnchor scene demos the usage of ARFoundation to create free-world anchors, and the usage of the XRAnchorStore to persist these anchors between sessions.

Sample for hand tracking

Sample for eye tracking

FollowEyeGaze.cs in the Interaction scene demos using Unity Feature Usages to obtain eye tracking data.

Sample for locatable camera

LocatableCamera.cs in the LocatableCamera scene demos the setup and usage of the locatable camera.

Sample for ARFoundation compatibility

Scenes ARAnchor, ARRaycast, ARPlane, and ARMesh are all implemented using ARFoundation, backed in this project by OpenXR plugin on HoloLens 2.

Sample for Azure Spatial Anchors

SpatialAnchorsSample.cs in the Azure Spatial Anchors sample project demos saving and locating spatial anchors. For more information on how to set up the Azure Spatial Anchors project, see the readme in the project's folder.

Sample for Holographic Application Remoting

AppRemotingSample.cs in the Main Menu scene demos app remoting. For more information on how to set up the Basic Sample project for App Remoting, see the readme in the project's folder.

How to file issues and get help

This project uses GitHub Issues to track bugs and feature requests. For help and questions about using this project, please use GitHub Issues in this project. Please search the existing issues before filing new issues to avoid duplicates. For new issues, file your bug or feature request as a new Issue.

Contributing

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.opensource.microsoft.com.

When you submit a pull request, a CLA bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., status check, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

Trademarks

This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft trademarks or logos is subject to and must follow Microsoft's Trademark & Brand Guidelines. Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship. Any use of third-party trademarks or logos are subject to those third-party's policies.

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Sample Unity projects to demo how to use OpenXR plugin in Unity for HoloLens 2 and Mixed Reality headsets

License:MIT License


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