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ℹ️ Active development for Viro is now occurring at the Viro Community fork. We encourage all Viro developers to follow and get the latest updates at ViroCommunity/virocore

ViroCore

ViroCore is SceneKit for Android, a 3D framework for developers to build immersive applications using Java. ViroCore combines a high-performance rendering engine with a descriptive API for creating 3D, AR, and VR apps. While lower-level APIs like OpenGL require you to precisely implement complex rendering algorithms, ViroCore requires only high-level scene descriptions, and code for the interactivity and animations you want your application to perform.

Viro Renderer CI Pipeline

Platforms supported: Android, ARCore, Google Daydream, Samsung GearVR, Google Cardboard VR

The repository contains both the rendering source code, and as well as the ViroCore platform. Both are free to use with no limits on distribution.

To report bugs/issues with the Viro platform, please file new issues on this repository.

Releases

ViroCore downloads are available on our Releases page.

Quick Start

Running sample code instructions:

You can get up and running with the latest stable release of ViroCore! To do so, simply:

  1. Follow the prerequisite directions on our Quick start guide to setup dependencies for trying these sample projects with the Viro Media App.
  2. Clone the repo into your workspace with git: git clone https://github.com/viromedia/virocore.git.
  3. Go to the code-sample directory for a list of current samples.
  4. Choose the code sample you wish to deploy, and open the root directory in Android studio.
  5. Ensure that Instant Run is disabled.
  6. (Optional) Clean and gradle sync.
  7. Build and deploy.
  8. You should now be in the application! Enjoy!

Using Prebuilt ViroCore from mainline:

You can also try the latest mainline build containing bleeding edge features and fixes. Please keep in mind that mainline builds may not be as stable as release builds. To do so, simply:

  1. Go to the ViroCore Actions Workflows for this project.
  2. You should see a list of "Viro Renderer CI Pipeline" workflows.
  3. Click on the latest successfully built workflow pipeline (there should be a checkmark).
  4. You should now see the uploaded artifcats assoicated with that flow. For example:
    • viroreact.aar (for ViroReactAndroid)
    • virocore.aar (for ViroCore)
    • ios_dist.tgz (for iOS)

For ViroCore Android, HelloWorld samples should have the corresponding file at the location viro_core/virocore-release-version. As such, simply download the virocore.aar artifact from the workflow above, and then rename (make sure it matches your code sample's name) and replace the virocore-release-v_x_xx_x.aar file in your HelloWorld project

Manual Building of the Renderer

If you would like to modify / make changes to the renderer directly. These are the instructions for building the renderer and ViroCore platform.

Building the ViroCore platform:

  1. Follow the same prerequisite directions above from our Quick start guide.
  2. Clone the repo into your workspace with git: git clone https://github.com/viromedia/virocore.git.
  3. Execute the following commands to build the ViroCore platform library
    $ cd android
    $ ./gradlew :virocore:assembleRelease
    
  4. If the above gradle build succeeded, verify you see a virocore-*.aar file (* for the version number) at android/virocore/build/outputs/aar/virocore-*.aar
  5. To run ViroCore tests, open the android project at android/app in Android Studio and run releasetest target on your android device.
  6. To use this updated / newly built virocore-*.aar in your own project copy the aar file to viro_core/ in your project and modify your viro_core/build.gradle to point to the new file.

(Android) Building the renderer to be used in react-viro platform:

  1. Follow the same prerequisite directions above from our Quick start guide.
  2. Clone the repo into your workspace with git: git clone https://github.com/viromedia/virocore.git.
  3. Clone the react-viro repo (named viro) in the same workspace (same parent directory as virocore) with git: https://github.com/viromedia/viro.git
  4. Execute the following commands to build the ViroCore platform library
    $ cd android
    $ ./gradlew :viroreact:assembleRelease
    
  5. If the above gradle build succeeded, verify you see a new viroreact-release.aar file at /viroreact/build/outputs/aar/viroreact-release.aar.
  6. Additionally verify you see a new file built at viro/android/viro_renderer/viro_renderer-release.aar in the viro repo you cloned above in step #3. The build instructions outlined in viro repo will walk you through steps involved in building the react-viro bridge using this built renderer.

(iOS) Building the renderer to be used in react-viro platform:

  1. Make sure you followed through steps 1 - 3 mentioned in the android section.

  2. Execute the following commands to install pods from Podfile.

    cd ios
    pod install
    
  3. Open ViroRenderer.xcworkspace in Xcode. Build scheme ViroKit with Build Configuration set to Release and target set to Generic iOS Device. Note:

    3.a If you want the ability to run on Simulator, 
        change target to any of the `iOS Simulator` targets instead of `Generic iOS Device`. 
    3.b If in your own app project setup, you prefer to include react-viro as a static library 
        rather than relying on `use_frameworks!` - build scheme `ViroKit_static_lib` 
        instead of `ViroKit` as mentioned above in step #3. 
    
  4. If the above Xcode build succeeded, you should see a bunch of new files copied over in viro/ios/dist/ folder in the viro repo you cloned earlier. The build instructions outlined in viro repo will walk you through steps involved in building the react-viro bridge using this built renderer.

More Information

Viro Media Website: https://viromedia.com/

ViroCore Documentation: https://virocore.viromedia.com/

API Reference(Java Docs): https://developer.viromedia.com/

Join our Slack group here.

Check out our blog for tutorials, news, and updates.

Sample Code Examples

AR Hellow World Android

AR Placing Objects

AR Retail

Link to AR Retail tutorial

AR Tesla

AR Black Panther


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