DEPRECATED - This repo is no longer maintained

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SolARUnityClientHololens2Plugin

Description

This project is a C++ library which retrieves Hololens 2 sensor data: images, poses and timestamp from the cameras. It also provides a C# binding which makes it usable in Unity.

This project is based on HoloLens2-ResearchMode-Unity (MIT license), and HoloLens2ForCV StreamRecorderApp (MIT license)

How to use in Unity

Build native plugin and import to Unity

• Build this project (ARM64,Release) and copy the .dll and .winmd files into Assets/Plugins/WSA/ARM64 folder of your Unity project.
• Change the architecture in your Unity build settings to be ARM64.
• After building the visual studio solution from Unity, go to App/[Project name]/Package.appxmanifest and add the restricted capability to the manifest file.

<?xml version="1.0" encoding="utf-8"?>
<Package 
...
xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities" 
...
IgnorableNamespaces="... rescap ..." 
...
>
... 
<Capabilities>
...
<rescap:Capability Name="perceptionSensorsExperimental" />
<DeviceCapability Name="webcam" />
...
</Capabilities>
...
</Package>

• Save the changes and deploy the solution to your HoloLens 2.

Use in your app

• Instanciate the SolARHololens2ResearchMode object by calling its default constructor.
• Start by calling the Enable*() methods corresponding to the sensors to be used and then Init(), in your Start() method for example
• Call Update() periodically to fetch new frames
• Frame data are returned by calling the Get*Data() methods for each sensor.