Unity ARCore Cloud Anchor
https://developers.google.com/ar/develop/unity/cloud-anchors/overview-unity
Share AR experiences with Cloud Anchors | ARCore | Google Developers
Use Cloud Anchors to create multiplayer or collaborative AR experiences that Android and iOS users can share. What is a Cloud Anchor? Using Cloud Anchors, your app lets users add virtual objects to an AR scene. Multiple users can then view and interact wit
developers.google.com
ARCore Cloud Anchor를 왜 사용하는가 :
AR 씬에서 virtual object를 Multiple User가 동시에 같은 물리적 공간에서 다른 위치에서 interact하기 위함
https://developers.google.com/ar/develop/unity/cloud-anchors/quickstart-unity-android
Quickstart for Cloud Anchors in Unity for Android | ARCore
Use Cloud Anchors to build AR experiences that Android and iOS users can share. Prerequisites If you are new to working with anchors, see Working with anchors for an introduction. The following steps assume that you have already installed and configured th
developers.google.com
Requirement :
1. arcore sdks 1.13 or later
2. you must disclose the use of Cloud Anchors prominently
Unity build :
1. ARCore Package 불러오기(1.13 or later)
2. Package – Multiplayer HLAPI, XR Legacy Input Helpers
3. Switch platform to Android
4. Remove vulkan
5. Multithreaded Rendering uncheck
6. Package name
7. Minimum api level – android 7.0 nougat
8. Arcore supported enable
9. Api key 넣기(google cloud)*
10. Setup project services and multiplayer*
API 키 사용 | 인증 | Google Cloud
이 가이드에서는 Google Cloud 애플리케이션을 위해 API 키를 만들고 API 키 제한사항을 설정하는 방법을 보여줍니다. Google Cloud API 인증에 대한 자세한 내용은 인증 개요를 참조하세요. Google Maps Platfo
cloud.google.com
https://console.cloud.google.com/apis/library/arcorecloudanchor.googleapis.com
Google Cloud Platform
하나의 계정으로 모든 Google 서비스를 Google Cloud Platform을 사용하려면 로그인하세요.
accounts.google.com
https://docs.unity3d.com/Manual/SettingUpProjectServices.html
Unity - Manual: Setting up your project for Unity Services
Setting up your project for Unity Services To get started with Unity’s family of services, you must first link your project to a Unity Services Project ID. A Unity Services Project ID is an online identifier which is used across all Unity Services. These
docs.unity3d.com
https://docs.unity3d.com/Manual/UnityMultiplayerSettingUp.html
Unity - Manual: Setting up Unity Multiplayer
NetworkReader and NetworkWriter serializers Integrating the Multiplayer Service Setting up Unity Multiplayer To start using Unity Multiplayer, your project must be set up to use Unity Services. Once you have done this, you can enable the Multiplayer Servic
docs.unity3d.com
App Host :
A. Wait a few secs after the session starts to stabilize
B. When selecting a location to host the anchor, find distinguishable from each other
C. Point the rear device camera at the center of interest
D. Move the device around to map the environment from different viewing angles and positions for up to 30 secs
E. Call hostCloudAnchor() to initiate the hosting request.
F. arcore Uploads visual data, device poses, anchor pose
G. cloud anchor creates a 3d feature map of space, return anchor id
H. use Anchor.CloudAnchorState to check the status of a hosted anchor
App Resolve :
A. wait a secs after the session starts to stabilize
B. scan the original area of interest
C. call resolveCouldAnchor() and use Anchor.CloudAnchorState toe check the status
D. if you want to cancel call detach()
E. when it finds a match, the service return the pose of the cloud anchor
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