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AR Foundation Replay

🚧 Work in progress 🏗️
PoC of Recording AR Foundation session into a single mp4 with a binary timeline track / Replaying it in Editor on AR Foundation without any extra settings.

2023-10-10-walking-geospatial.mp4

↓ Check out the complete project utilizing ARFoundationReplay.

editor-simulation.mp4

Tested platform

  • Only iOS ARKit + macOS Editor for now. Android ARCore is planned.
  • Tested with the latest Unity2022 LTS.
  • Supported only URP. Built-in is not supported for now.

Implemented Subsystems

  • XRSessionSubsystem
  • XRCameraSubsystem
  • XRPointCloudSubsystem
  • XRPlaneSubsystem
  • XRAnchorSubsystem
  • XRRaycastSubsystem
  • XRHumanBodySubsystem
  • XREnvironmentProbeSubsystem
  • XRInputSubsystem
  • XRImageTrackingSubsystem
  • XRObjectTrackingSubsystem
  • XRFaceSubsystem
  • XROcclusionSubsystem
  • XRParticipantSubsystem
  • XRMeshSubsystem
  • ARCore Extensions
    • Earth Manager
    • Cloud Anchors
    • Streetscape Geometry

How to use

  • Install MemoryPack from NuGet using NuGetForUnity

    • openupm add com.github-glitchenzo.nugetforunity
    • Open Window from NuGet -> Manage NuGet Packages, Search "MemoryPack" and Press Install. screenshot
  • Add the following line to Packages/manifest.json to install AR Foundation Replay package via UPM:

    "dependencies": {
        "com.github.asus4.arfoundationreplay": "https://github.com/asus4/ARFoundationReplay.git?path=Packages/com.github.asus4.arfoundationreplay#v0.2.2",
        ... other dependencies
    }
  • Simulation on the Unity Editor is supported only on iOS. Open Build Settings and switch the platform to iOS. fig-switch-platform

  • Activate AR Foundation Replay for Unity Editor:

    1. Open Project Settings/XR Plug-in Management.
    2. Select the PC tab in the XR Plug-in Management.
    3. Activate AR Foundation Replay activate-xr-plugin-for-editor
  • Put the ARRecordButton prefab into the Scene which is located at Packages/com.github.asus4.arfoundationreplay/Prefabs/ARRecordButton.prefab.

  • Record AR on the device.

  • You can change the replay file from Project Settings/XR Plug-in Management/AR Foundation Replay. replay-file

  • Play the AR in the Editor.

ARCore Extensions Support

It supports replaying ARCore Geospatial. To test it, please use the forked version of the arcore-unity-extensions and refer to the ARFoundationReplayGeospatial example project.

Dependencies