How do I start using RealityKit

To start using RealityKit, you can follow these steps:

Create a New Xcode Project: Begin by creating a new Xcode project using the VisionOS app template. This will automatically create a default scene that you can open in Reality Composer Pro.
Use Reality Composer Pro: Open the default scene in Reality Composer Pro. You can delete the default sphere and create an empty transform entity. Add an anchoring component to this entity, which will serve as the container for your object anchor. You can then import the reference object generated with CreateML and associate it with your anchoring component.
Explore RealityKit APIs: RealityKit provides high-performance 3D simulation and rendering capabilities for iOS, macOS, and VisionOS. It allows you to create immersive spatial computing apps and games. You can use RealityKit APIs to create your anchoring and other 3D content.
Build a Spatial Drawing App: For a practical example, you can follow the session on building a spatial drawing app with RealityKit. This session covers setting up spatial tracking, building a user interface, generating brush geometry, and creating a splash screen.
Debugging with RealityKit Debugger: Use the RealityKit debugger to inspect your app and track down bugs. The debugger helps you traverse entity hierarchies, address bad behaviors, and find missing content.

For more detailed guidance, you can refer to the following sessions: