Adding 3D objects to your app

You have updated your app’s appearance, and it looks great on visionOS. Now, you’ll add a 3D model to your app. To do so, you’ll combine SwiftUI and UIKit together to load and display a 3D model on the Map screen.

Follow these steps:

1. The SketchFab website (https://sketchfab.com/) has many 3D models available for download. Search for and download a USDZ 3D model of Earth. For example, you can download one made by matousekfbto from this link: https://sketchfab.com/3d-models/earth-globe-98d2b04d46474bafb4250cc75dc583b3.
2. Rename the downloaded file globe.usdz and drag it to the Model group in your project:

Figure 26.14: Navigator area showing globe.usdz

3. In the Project navigator, right-click the Views group and add a new SwiftUI View file named GlobeView to it. Modify its contents as shown:

   import SwiftUI
   import RealityKit
   struct GlobeView: View {
     var body: some View {
       #if os...