Resolved ARKit support for iOS via Unity-ARKit-Plugin

You will also need to make all the GameObjects (including the GeneratePlanes go) that have to do with ARKit to be "DontDestroyOnLoad". And please send logs or exact problem description instead of "it doesn't work".

 

I am working with an animator and he is asking me, "How many frames per cycle?" for a AR character. Any suggestions?

Thanks,

Fitz

 

It depends on your App. You can target 30 fps or 60 fps. ARKit guarantees 60 video frames per second. This of course is completely app dependent. You need to consider your content, thermals, CPU/GPU load etc. Hope this helped.
Cheers,
Chris

 

Thanks Chris!

 

Last time I checked ARKit remote doesn't support touches, For testing purposes I used mousedown and just click in the editor instead.

 

unity 5.6.3f1
iphone 6sp ios11

ARKit 1.0.8

 

For anyone else hitting the Main Thread Checker: UI API called on a background thread: -[UIApplication delegate] error - find our thread here where we are opening discussion of the issue in search of a fix, none of our apps work anymore on IOS, especially any ARKit demos!

https://forum.unity3d.com/threads/i...-ui-api-called-on-a-background-thread.489398/

 

I'm having some trouble getting this to work and couldn't find anything earlier in the thread.

I'm deploying the application to an actual device, and I am getting a pure green background rather than the video feed. ARKit is working, and i can see that it is tracking points and correctly tracking the location of the iPad, but for some reason the video is not coming through.

I'm using the latest xcode, ios beta, and the arkit remote works just fine, including the video feed.

EDIT: looks like metal rendering may be required

 

I set my whole scene up as a child of an AR object that the user places, so that it doesn't matter where the camera is.

 

Xcode 9.0 Beta 6 (9M214v)

build and run is fine but I got this message when Archive
invalid iOS deployment version '-miphoneos-version-min=11.0', iOS 10 is the maximum deployment target for 32-bit targets

And I already set Scripting Backend to IL2CPP.
Do you have any idea?

 

Forgive me for my English. It does not work, it means that I made OnDestroy before loading a new scene. But in the new scene, the Planes from the previous scene was still preserved.

 

Does ARKit only works with a maximum of 30 of far clip plane? I discover where I can change the far clip plane in the editor (ARCameraManager script), where I should change to do it in the rest of devices??

Found it. In ARCameraManager the m_session.SetCameraClipPlanes(near, far).

TX

 

This is not true. You can change the FarClipPlane (Clipping Planes > Far) on the camera within the scene via the Inspector to whatever you like. As long as you have the 'UnityARCameraNearFar' attached to that camera; it will update ARKit. Unless I'm misunderstanding your question?

 

Does this occur with an empty iOS11 project? Doesn't seem like its directly related to using ARKit.

 

Ups , that was my problem, I dint have attach it that script to the cameras as I started the project from scratch.

thanks

 

You may need to fully remove all ARKit components from your Unity project, and then do a fresh import again. Seems like you're using an old version of the plugin still

 

I commented in your thread, Summary; try using Unity 2017.1.0p3

 

Have you tried passing this to your options when starting a Session?

Code (CSharp):

1. UnityARSessionRunOption options = new UnityARSessionRunOption();
2. options = UnityARSessionRunOption.ARSessionRunOptionRemoveExistingAnchors | UnityARSessionRunOption.ARSessionRunOptionResetTracking;
3. m_session.RunWithConfigAndOptions(config, options);

 

You need to update Xcode

 

Check your architecture settings in unity under player settings. You may not have universal or arm64 selected.

 

Yes, this is correct.

 

You need to either remove the game objects yourself, or write some code in the anchor manager to destroy them when the scene changes

 

Hey @chr

Hey @christophergoy, so I copied the code and in my scene I attached it to the tag, however as I don't want my tag to show at runtime but prefer to place it I unchecked the tag in the hierarchy (so it doesn't show) and when I build and run it on my phone the same thing happens, it disappears in less than a second of placing it. So is this to do with the ball maker script? Should I just create my own script? Thanks in advance.

 

I got ARKit working before on iOS 11 beta 4 with XCode 9 beta 3 and Unity 2017.1.0f3.

Since updating to iOS 11 beta 6 and XCode 9 beta 5, I can't initialize ARKit on scene start anymore. I also created a new project and did a fresh import of the ARKit plugin, does not work.

- Anyone having similar issues or hints for a solution? I have to build on a remote mac, so can't provide any logs right now.

 

Do you get any errors in your log? When you made a fresh project, did you download the latest version of the ARKit plugin from the Asset Store? (Quite possible that you're still importing an out-dated one).

 

Did you update your plugin code?

 

I think the only code you need I copy was from the answer. Not any of the other stuff. Just subtracting the two positions and calling lookAt. Just take a look at the answer and use that small bit of code

 

Yep I know, I only used the code in the best answer however I want to place the tag and then have the tag always look at me not a tag thats already placed.

 

Hi, first off, thanks to you guys for building and supporting this plugin, you're doing an awesome job so far. I was wondering if there is any plans on integrating Vision and CoreML framework as well. I think it would be an awesome addition as it could help us create more advance Mixed reality applications with target and object recognition.

 

I use the updated plugin from the assetstore (1.0.8 - 16.08.2017). Also tried to pull the project from bitbucket (updated 21.08.2017) today.

After the splash screen, the app should start UnityARKitScene, but I just get a blank blue camera screen.

I can't access the log right now since I'm working on a remote mac. So I just build the project in Unity, create an .ipa in XCode and provide it as AdHoc app.

 

Make sure you set the camera usage description as well in the player settings

 

JimmyA, Christopher - you guys are the best, thanks! You've answered a hundred questions for me in this forum already, but this is one that I haven't seen asked. I can place and scale objects fine but am struggling with scaling terrain for use on a tabletop. I can't scale it dynamically with a container as I can other objects. Terrain seems to just work differently - do I have to bake something to scale it properly? When I tap to align the world to a horizontal plane, I'm always standing within the terrain, rather than looking down on it, no matter how I try to scale it. I'm pretty new to Unity so this could be the stupidest question ever .. if so, I appreciate your patience. Thanks again!

 

Thanks for the hint, I've double-checked.
- Camera Usage description is set to "AR BABY". Even tried to change to "camera use".
- Update from XCode 9 beta 5 to beta 6 didn't help either

Could you guys give a hint with which versions of XCode beta, iOS beta and Unity3D you would recommend to work right now?

 

Another possibility is that you do not have a device that supports ARKit - you need a device with A9 or better cpu.

 

You could try the scale test branch on the bit bucket repo. https://bitbucket.org/Unity-Technologies/unity-arkit-plugin/branch/scaled-content-test

Otherwise, I'm not sure. You can search the rest of the forums on how to scale terrain. Let me know how it goes.
Cheers,
Chris

 

Thanks, does anyone know if it's possible that ARKit can support a fully integrated real time development flow – like what Google has for Daydream 27 mins in to the following? (i.e. at present ARkit plugin supports camera input but not gesture/touchscreen.

 

My Xcode version is 9.0 beta

 

I have built a new project to download the import in unity store, and there is no old plug-in

 

ARKit does not have this feature, but ARKit Remote which is built into the Unity package would probably provide what your asking here.

 

It seems this solution to check if you hit a UI component is broken now, I can't place Objects on the planes anymore.
Any ideas how to fix this?
Same with the code below

if (EventSystem.current.IsPointerOverGameObject(Input.GetTouch(0).fingerId)){
return;
}

 

Hello!
I can't launch the simple default Unity ARKit scene on my iPhone and receive no feedback anywhere on the web so far, so I would really appreciate some help, guys!

After successful export from Unity, I'm opening the IOS package in XCode 9, and installing it on my iPhone (installation successful, though it asks me in the process to confirm that I "trust" myself as a developer).

After that, if I click the play button in Xcode 9 again I see "Waiting for editor connection..." message on my iPhone screen and nothing happens. At the same time in the XCode I see multiple warnings and one error "UI API called from background thread", "UIApplication delegate must be used from main thread only".

If I disconnect the iPhone from the computer and try to launch the app, it just crashes immediately.

I use:
Free Apple Developer account
Unity 2017.1.Of3 (I tried also 5.6.1p1 and 5.6.2f1, the same result)
ARKit plugin from Apple Store
iPhone 7 Plus, IOS 11
Xcode 9 Beta 6
MacBook Pro (Mid 2015)

Here are the screenshots of the process:









I would really appreciate some help!
Thank you very much in advance!

 

Which beta? They are up to beta 6 now. Please download it from the Apple developer website and try again.

 

Switch your scene to the UnityARKitScene and build again

 

They released Beta-7 on the 21st. Just to let you know

 

That's iOS. Xcode is beta 6

 

Ahaha)) That was so simple) Thank you very much!

 

Hey I am playing around with the AR-kit plugin. Everything is working perfectly. But I noticed one thing that I can not wrap my head around. When I build my app for the ipad pro (12.9' display) the camera video "stream" seems to by upscaled . Is the resolution of the ar-kit video some how capped to some max resolution (which is lower than the ipad's pro native res) ? Other devices (iphone 6s, iphone se) seem fine and the video is nice and sharp (whitout upscale).

 

If you search through this thread, you’d find many answers to this question. Please search next time. We are upscaling the texture to make it match the aspect ratio of the device, and this matches how ARKit is processing the texture for its vision algorithms.

Again, please search the forum before asking questions that have been answered. It helps keep the thread clean of repeating questions.
Cheers,
Chris

 

Has someone upgraded to XCode beta 6 & iOS 11 beta 7 ? Does it work with the plugin ?

 

Yes and yes