AnyViewRepresentableContentView.swift

import SwiftUI
import RealityKit

struct AnyViewRepresentable<T: UIView>: UIViewRepresentable {
  let view: T
  func makeUIView(context: Context) -> T { return view }
  func updateUIView(_ uiView: T, context: Context) {}
}

struct ContentView : View {
  let arView = ARView(frame: UIScreen.main.bounds)
  let models: [ModelEntity]
  
  init() {
    let boxAnchor = try! Experience.loadBox()
    var models = [ModelEntity]()
    boxAnchor.getModelEntitiesInDescendants(models: &models)
    arView.scene.anchors.append(boxAnchor)
    self.models = models
  }
  
  var body: some View {
    ZStack {
      AnyViewRepresentable(view: arView)
      ARSettingsView(models: models)
    }
    .edgesIgnoringSafeArea(.all)
  }
}