Questions tagged [virtual-reality]

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15 views

How i can detect a single ARuco marker among several markers?

Hi everyone i am working on a rehabilitation application that depends on ARuco markers. The idea is to draw an object on a single marker among the four existing ones, then when the patient's hand ...
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1answer
20 views

Is it a useful strategy for Mobile VR titles to render faster than their simulation loop?

For example - If a title had a very heavy simulation loop (say 20ms), is it desirable to render at a greater rate, say 90hz? This would always a present head pose correct to the view, without being ...
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48 views

Can I set the unity camera to have the same position in a real world?

I have a problem about setting the camera in the unity to have the same extrinsic parameters as my real world camera to the origin. So let's me describe my problem step by step. I have a camera in a ...
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100 views

Unity Error : HMD Not Found Presence Failed 126

I make a VR game and even if I use Oculus Integration or SteamVR I get this error in Unity -> XR: OpenVR Error! OpenVR failed initialization with error code VRInitError_Init_HmdNotFoundPresenceFailed:...
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15 views

Unity IVRRenderModels_006 SteamVR Error

I get this Error in Unity when I imported SteamVR : "Failed to Load IVRRenderModels Interface Version IVRRenderModels_006" I looked after on it but nothing really solved the problem. Why is this ...
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1answer
13 views

Fix Unity Line Renderer for pointer drawing a jaggy line

I think I'm using the standard Oculus setup from the SDK using the OVRCameraRig. I've also got a LaserPointer. But inside VR on my Rift the line looks like this. Any idea what I'm doing wrong? It ...
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0answers
16 views

InfoBox for VR in Unity

Currently, I am making a GYM in VR with Unity (2018-LTS). I made the Machines in Blender (2.8), and I put videos next to them, How to make the exercises well. I want to put an Infobox on the Wall, or ...
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0answers
35 views

Get Oculus Quest player position Unreal engine

I’m trying to make an Oculus Quest scene that is a scale replica of a real 10x10ft space. I’d like the user to spawn in the scene in the same location as they are in real life. How can I do this? I ...
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1answer
97 views

Unity build does not launch and leaves no logs/errors

I have released my first title Audio Infection ( https://store.steampowered.com/app/911580/Audio_Infection/ ) for a bit over a year ago. Recently 1 user has so far encountered an issue where the game ...
3
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0answers
61 views

Switching between VR and Desktop (VR Controllers are not tracked in Unity Build)

I am developing a VR App in Unity3D for HTC Vive Pro (Wireless) everything works well with VR in the usual way. (SteamVR Plugin 2.5.0 (SDK 1.8.19)) Except for some requirement reasons in the same ...
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0answers
49 views

How to run the built .exe file?

I'm fresh new to unity and I only followed several tutorials. Up to now, I always used/tested the games inside of unity and now I would like to use them even on different systems. Hence, I built the ...
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1answer
113 views

How do I get the Oculus Rift's position and rotation?

I'm looking for the functions to get the position and rotation data of the rift headset itself in Unity. I have the Oculus integration SDK installed and want to avoid using any pre-fabs.
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20 views

Shader Only Renders In Left Eye of Head Mounted Displays

I followed a tutorial for creating a geometric grass shader, and the shader works fine. However, when using my Samsung Odyssey+ HMD to view the scene during play mode, the only eye that can see the ...
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1answer
29 views

VR Camera and Hands height

Using the Oculus Rift S, I just added OVRCameraRig and LocalAvatar or OVRPlayerController and when I press play I feel like I'm not as high as I want in my vision and hands, I change the position of Y ...
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0answers
54 views

How to make VR games-experiences without Unity or Unreal-Engine?

I have some experience with making videogames in c using libraries like OpenGL, FreeGlut, etc. I developed a game engine in c, specific for my game, so developing it with Unreal Engine or Unity is not ...
1
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1answer
42 views

How to scale player as they travel between 2 points

I'm doing a VR Project where the player walks down a hallway. The player starts with a size of 10 and is supposed to scale down to a size of 0.5 (well the GameObject in which all the player stuff is ...
0
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1answer
36 views

How can velocity be normalized after a collision if a projectile needs to maintain its height?

I want a thrown disc to travel along the same height, even after collisions. The problem is, there's an edge case that I'm not sure how to deal with. The lowest-tech solution would probably be to ...
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0answers
31 views

Would landscape left/right make difference when developing Google VR CardBoard Game with Unity?

I'm trying to make a simple VR cardboard game using Google VR SDK for Unity. I'm really confused about the problem as my title. Will the values got from ...
0
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1answer
80 views

How to develop VR PC games without a Head-Mounted Display of my own?

I am an intermediate student of Unity 3D, and I am not able to purchase heavy and expensive equipment like Oculus Rift, HTC Vive, or other models that are not available in Pakistan. So I'm wondering ...
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0answers
43 views

How can I push a button with VR hands?

New programmer here. I am currently trying to create a sample game in Unity (2019.2.11f1) where I push a button using the VR hands of my Oculus Rift (the hands follow my controllers). I can't believe ...
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0answers
29 views

Unity 3D Image Distortion

I'm trying to make a 3D tour for cardboard. I'm putting my 3d image inside a sphere with a shader but I've noticed this problem. And the middle of the image is looking kinda wavey and distorted.
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0answers
34 views

What is a good algorithm for generating a linear regression of positions in 3D space? (for getting the direction of a thrown object in VR)

I'm trying to get throwing to feel right in my VR game. I don't plan on actually using physics to do this; my idea is to accurately determine the lateral direction of the throw, then move the object ...
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0answers
6 views

Set Unity to Fixed oculus sdk for testing

guys, I have been doing some VR development and I have noticed there are often times I want to test if something that relies on the Avatar is in or working but I only have a standing rift right now ...
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0answers
53 views

Prevent Object Detachment from Hand when Controller Trigger is Released in Unity SteamVR

I'm using SteamVR's Player Prefab for Unity. For picking up objects I'm using the Throwable script which uses the controller trigger to pick it up and its release to throw. Is there a way to prevent ...
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0answers
34 views

Having trouble with getting an image to fit on a face of a cube

I have a problem with a Unity project that I'm working on. I'm creating an 3D art gallery which will be developed into a VR application in the future. In a 3D scene, I have created a ...
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0answers
32 views

How can I convert Input.gyro.attitude into a float? [duplicate]

I am working on a VR project with a 360 video in it. I am trying to set the start rotation of the video to the same rotation as my phones. How can I convert ...
0
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1answer
361 views

Set the start orientation of the gyroscope to initial phone orientation

I am making a mobile VR project in Unity, and I have a 360-degree video that starts playing where I can look around using a VR headset. I am trying to set the start rotation of the video to the same ...
1
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0answers
74 views

Text is unreadable at fov's edges with HTC Vive

Not sure if this is the good place to ask or if should asked it in photography, sorry if it's not. I was trying stuff in Unity for a vr game based on text but as I tested it I saw that the center of ...
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1answer
98 views

Multiplayer VR art gallery using different headsets

I'm creating a VR art gallery using Unity3D (like a VR Museum Views with more freedom) and would like to have an environment where 1 or more users can gather together, communicate and move around (...
1
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1answer
77 views

How would I run a VR game that depends on external hardware?

I have a VR game idea which is being built on Unity with external hardware (Arduino, Gyroscopes, etc). I have thought of ways to connect the Arduino to Unity but what I am now struggling with is ...
0
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1answer
143 views

Fade into scene in Unity / SteamVR

I am using this code below for a gradual fade into a scene/next level in Steam VR (HTC Vive) The whole idea is to cover up the scene loading icon which is viewable for 3-4 seconds, and the default ...
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0answers
14 views

HTC Vive in-game camera moves automatically, but in-editor it's fine

We found an issue today in our HTC Vive game we don't know how to fix. When I start the exe using the HTC Vive, the camera starts moving automatically, endlessly. But in the Unity editor it is fine, ...
4
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1answer
259 views

Why is 90 FPS recommended for Virtual Reality games?

Origin of the question I have recently finished an internship at a (small) game development company which is working on a Virtual Reality game that is also used in medical rehabilitation. From what I ...
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0answers
43 views

Facilitator UI on desktop screen for VR

Hey and thanks in advance for any help/pointers The solution is probably straight forward but i am still a little inexperienced (while creating quite a few different VR unity projects mostly study ...
0
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1answer
76 views

Get rotation of camera in Google VR

I'm trying to move child of camera object smooth. To implement that, I need to know the movement of x and y axis, like Input.GetAxis in general PC platforms. I saw the documentation and examples of ...
0
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1answer
67 views

Rendering Problems(Artifacts, Flickering) with the Mirage Solo VR Headset

Im getting some strange flickering artifacts when testing on device (Mirage solo), this problem occurs on Unity 2018.3.2 and Unity 2019.1.2. Its not happening on other devices such as the OculusGo, ...
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0answers
223 views

Recenter User Orientation on X and Y axis on with Oculus GO and Unity

I am working on an Oculus GO App for patients in a doctors chair. They'll be using Oculus GO Headsets while sitting, lying, or something in between. So what I am trying to do is to recenter the HMD ...
2
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1answer
90 views

Interactive ways to answer a yes or no question in a VR game?

Currently, I am creating a VR game with a simple AI that at certain points ask for yes or no answers. Considering the player is free to walk around, I need a sort of spawn in and out kind of solution. ...
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0answers
34 views

Unity 3D Vive Focus conversion difficulties

I Keep getting this error message below when I try to build and run the game. I have downloaded sdk package: sdk-tools-windows-4333796.zip Android studio. I am new to this kinda technology any ...
2
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1answer
122 views

How do you create a VR game for a personal VR headset you're making?

If you were to create a whole new VR headset and want to put a game on it, how would you? I know that you you could use Unity and UE4 to create games but those are for stuff like the Rift and Vive. I ...
5
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1answer
231 views

How can I let players “scrape away” one texture to reveal another?

In this game I'm making, I want my players to be able to remove rust from an object based on collisions from another object such as a wire brush. Since it's a VR game, performance is key. I've ...
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2answers
703 views

Google street view racing game?

How would one create a map for gaming using Google street view? Are there any programs for doing this? The cars, people and objects could be edited out and replaced with digital copies if the same ...
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0answers
50 views

Whats the least expensive way to play video in unity?

Alright, Ive asked this various ways but my situation is I have several (over 100) objects that have screens that need to play animated videos on them. There does not need to be sound, but this is for ...
1
vote
1answer
93 views

Mapping a Touchinput-device in a 3D World for VR

I have a Touch-Input device which is linked to my Unity Program and a VR Device. The Touch-Input device which is bolted somewhere BUT the position can be changed. I can get the "2D Coordinates" X / ...
2
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1answer
385 views

UI/Menu that works with and without VR (Unity, WMR)

I'm working on an app that I want to be useable without and with VR (with a Windows Mixed Reality HMD like the Samsung Odyssey). For non-VR I'm simply using a canvas in "Screen Space - Camera" and a ...
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0answers
1k views

Post-Processing effects not visible with LWRP in Unity3D

I'm are running into an issue when setting up Post-Processing effects for the new Lightweight render pipeline. Post-processing effects are visible in scene and Game view, but not in Play mode. The ...
4
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3answers
252 views

What is the difference between AR, VR and MR?

Please explain clearly and in short about the differences and boundaries between AR, VR & MR.
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1answer
442 views

How do I override a SteamVR Controller's transforms in Unity?

I'm trying to provide an illusion to the user by rotating the controller about an arbitrary axis in the LateUpdate() method. But this doesn't seem to be having any effect as the controller probably is ...
0
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1answer
202 views

How to align 2 IMUs' quaternions?

Suppose I have 2 IMUs that output 2 quaternions. I place one IMU on my left hand and another one on my right hand. I put both my hands flat on the table and point it forward to the same direction. ...
0
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1answer
404 views

Develop on Oculus Go using Java and OpenGL

I have recently done some game development using Java and OpenGL (with the JOGL library), and I was thinking about trying to learn how to develop on an Oculus GO. However, all guides seem to assume ...