AnyViewRepresentableExtensionContentView.swift

import SwiftUI
import RealityKit

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


extension ContentView {
  var newOrientation: simd_quatf {
    simd_quatf(angle: rotation.degreesToRadians, axis: SIMD3<Float>(0,1,0))
  }
  func rotationChanged() {
    DispatchQueue.main.async {
      if rotation < 1 { rotation = 358 }
      else if rotation > 358 { rotation = 1 }
    }
    let newOrientation = simd_quatf(angle: rotation.degreesToRadians, axis: SIMD3<Float>(0,1,0))
    boxAnchor.taxi?.setOrientation(newOrientation, relativeTo: nil)
  }
  
  func onTimer() {
    if moving {
      boxAnchor.taxi?.move(to: boxAnchor.taxi?.transformMatrix(relativeTo: nil) ?? simd_float4x4()
                  .movedForwardPosition(speed: speed), relativeTo: nil)
    }
  }
}