Category: AR / VR
GDC 2023 – Nreal

[Nreal] is a compact AR headset with [SDKs for Android]. The shop has [dev kits] for sale [$1199 per unit + $499 lenses]. For retail, the Light edition is [$599] and the Air edition is [$379].
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Lightship Summit 2022
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[Niantic ARDK] augmented reality – depth sensing SDK
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VR Systems
OSVR: Automate SteamVR/OSVR Driver Setup
Setting up the [OSVR driver for SteamVR] is a [manual process].
2 Steam VR should be installed.
steam://install/250820
And then exit Steam/SteamVR before running the installer.
[OSVR-Plugin-For-SteamVR-Installer]
[InnoSetup] is a great tool for automating the process.
3 Install the [OSVR Driver for SteamVR]
Unity: SteamVR Center View
The Unity [SteamVR Plugin] has an API to center the VR view. It’s great when VR apps have a key mapped to do this.
using UnityEngine; using Valve.VR; public class SteamVRRecenter : MonoBehaviour { // Keep the script around private void Start() { DontDestroyOnLoad(gameObject); } // Update is called once per frame void FixedUpdate() { if (Input.GetKeyUp(KeyCode.L)) { var system = OpenVR.System; if (system != null) { system.ResetSeatedZeroPose(); } } } }
Steam: SteamVR Plugin for Razer Hydra
[SteamVR Plugin for Razer Hydra]
** Caution: Be sure to close any Game, UE4, Unreal Launcher, SteamVR, and Unity processes that are running before installing.
Source: [steamvr_driver_hydra]
Install "SteamVR" - steam://install/250820 Install "Sixense SDK for the Razer Hydra" - steam://install/42300 Install "SteamVR Driver for Razer Hydra" - steam://install/491380
Unity: SteamVR Plugin
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Material Design of ‘Robinson The Journey’
Alexander Asmus from Crytek talked about the creation of procedural PBR-materials for VR-game [Robinson The Journey]…
Razer Hydra Unity Plugin
OSVR: Setup SteamVR
SteamVR has support for OSVR. I tested with an OSVR HDK2.
Install SteamVR:
steam://install/250820
I used the OSVR control panel to flash the HDK2 to the [latest firmware] (`hdk2svr-2.00.hex`).
The setup instructions can be found at the [SteamVR-OSVR] project.
[Kevin Godby] is the developer of the SteamVR-OSVR plugin.
[Russell Taylor] is the primary RenderManager developer.
The 7zip archive with the pre-built Windows drivers can be found in the [files] section.
Extract the archive.
Copy the `SteamVR-OSVR\lib\openvr\osvr` folder to `C:\Program Files (x86)\Steam\steamapps\common\SteamVR\drivers` folder as a subfolder.
Initially, the SteamVR tutorial was up-side down. I found a solution on Reddit. [New SteamVR-OSVR driver available: fixes display orientation]
Close `SteamVR` and `Steam` before editing the `C:\Program Files (x86)\Steam\config\steamvr.vrsettings` file.
{ "driver_osvr" : { "scanoutOrigin" : "lower-right", "verbose" : true }, "steamvr" : { "mirrorViewGeometry" : "0 0 1080 600" } }
Be sure to relaunch the OSVR server before starting SteamVR.
Relaunch Steam, and the SteamVR tutorial.
Issues:
[Main monitor on different GPU prevents VR applications detecting Vive]
Since I have dual graphics cards, I had to swap graphics cards slots to get SteamVR to recognize the headset in Direct Mode.
There’s a couple important logs for debugging `SteamVR` issues.
* `C:\Program Files (x86)\Steam\logs\vrcompositor.txt`
* `C:\Program Files (x86)\Steam\logs\vrserver.txt`
Razer Hydra SteamVR UPDATE (How-To) – Throw Things & More! | The Lab, HH&H
Razer: OSVR Demo
First, I have my hands on the [OSVR HACKER DEVELOPMENT KIT].
After assembling the hacker kit, the manual says download and run the OSVR Hacker Development Kit software from [osvr.github.io].
OSVR has [chat rooms] to talk with other developers.
There are specific channels for “support” requests – see [support.osvr.com].
Nice that no drivers are required for Windows 10.
I had an old `DK1 model` and the firmware drivers were found in `C:\Program Files\HDK-Runtime\OSVR-CPI\dfu-prog-usb-1.2.2`.
Install [Render Manager].
You may already have the `OSVR-Core` installed which can be found in `C:\Program Files\HDK-Runtime\OSVR-Core\bin`.
Or download and unpack the [Daily OSVR-Core Windows Binary Snapshot].
Start the server, run `OSVR-Core-Snapshot-v.X\bin\osvr_server.exe`.
Download and unpack the [OSVR-Unity Assets Snapshot].
Create a new unity project.
Import the unity package `OSVR-Unity-vX\OSVR-Unity.unitypackage`.
Open the demo scene `Assets\OSVRUnity\Sample\VRFirstPerson.unity`.
Hit `Play`.
Oculus: DK1 Demo
I hooked up the Oculus DK1 and an XBOX 360 wired controller to do more experiments. I’ll start with the demo. First, I downloaded a couple updates.
1) Oculus_Runtime_for_Windows: [0.8.0.0-beta] (Oculus DK1 appears to need the old 0.8.0.0-beta runtime and sdk)
2) Oculus SDK for Windows: [1.10.1] [0.8.0.0-beta] – Installed on Windows 10
3) Oculus Utilities for Unity 5 SDK Examples: [1.10.0] – Unzipped to a new folder.
Next I created a new empty Unity project, where I’m a version behind the release version. [Unity 5.3.3]. I’ll update to the release version later (currently 5.3.2).
Copy the project settings into the Unity project settings (OculusUtilities_SDKExamples_0_1_3_0_beta\ProjectSettings).
Import the Oculus Unity Package (OculusUtilities_SDKExamples_0_1_3_0_beta\SDKExamples.unityPackage).
Restart Unity and reopen the project.
The Oculus DK1 is plugged in and on. The XBOX 360 controller is plugged in.
Open the sample scene (Assets\Scenes\FirstPerson_Sample.unity). The nice part about this example scene is that it has the head tracking, controller left stick movement, and controller right stick horizontal looking.
Let the baking process complete before hitting `Play`. If baking has not complete, the scene will be black.
If nothing happens, hit `Stop` and then `Play` again.
Some things to note about the project setup.
Custom Layers:
* User Layer 8: Objects
* User Layer 9: LeftEyeOnly
* User Layer 10: RightEyeOnly
When copying project settings, at a minimum, the `ProjectSettings.asset` must be copied to avoid a crash on `Start`.
When copying project settings, the `InputManager.asset` needs to be copied to support using the `XBOX 360 controller` in the example scene.
For capturing video output on the Oculus DK1, the ElGato Game Capture software will not work.
[Open Broadcaster Software] (OBS) has to be setup to mirror a monitor in order to capture the Oculus video.
And rolled the Oculus demo setup into my [Setup For Fuse CC] unity package.