PTG

Inital repo for PTG project. Contains the Unity project, the HoloLens 2 research mode visual studio project, and various python scripts to communicate with the HoloLens.

Tool versions used

Unity Hub - 3.0.0 - https://unity.com/unity-hub
Unity - 2020.3.25f1 - https://unity3d.com/get-unity/download/archive
Visual Studio 2019 - 16.11.8 - https://visualstudio.microsoft.com/vs/older-downloads/
Mixed Reality Feature Tool - 1.02111-Preview - https://www.microsoft.com/en-us/download/details.aspx?id=102778
HoloLens 2 headset

First time build/deploy instructions

1. Open the unity/Hello_World project with Unity Hub.
2. Open the demo scene in the Unity editor (unity\Hello_World\Assets\my_scene).
3. Modify the default project build settings (File -> Build Settings...).
     - Under the Universal Windows Platform tab
       - Target Device = HoloLens
       - Architecture = ARM64
       - Minimum Platform Version = 10.0.19041.0
       - Build and Run on = USB Device
     - Click Switch Platform after applying the new settings.
4. Create a build folder to place completed Unity builds (e.g. unity/Hello_World/Builds/my_first_build).
5. Click Build and specify your desired build folder. After the build completes, a new file explorer windows will pop up with the location of the build.
6. Open the .sln file with Visual Studio.
7. In Visual Studio, switch Solution Configurations to Release and Solution Platforms to ARM64.
8. Open the project properties window (Project -> Hello_World Properties) and switch to the Configurations -> Debugging tab. Enter the IP address of your HoloLens in the Machine Name field.
9. Modify the Package.appxmanifest per the README in HoloLens2-ResearchMode-Unity/
10. Deploy the app to the Hololens by clicking Build -> Deploy Solution
11. After deployment completes, open the Windows menu in the Hololens and select All Apps, and then click on the Hello_World application.

Misc. notes

• Research mode must be enabled in the HoloLens headset (see "Enabling Research Mode" section here https://docs.microsoft.com/en-us/windows/mixed-reality/develop/advanced-concepts/research-mode).
• The first time you start your application on the HoloLens, you may have to allow camera/microphone access to the app. Click yes on the popups and then restart the application.