fps.swift

let sceneUpdateSubscription = content.subscribe(to: SceneEvents.Update.self) { event in
  
  let deltaTime = event.deltaTime

  // Accumulate delta time
  self.accumulatedTime += deltaTime
  self.frameCount += 1

  // Calculate FPS every n frames
  if self.frameCount >= 10 {  // Calculate FPS every 10 frames (1 second at 10 FPS)
    if self.accumulatedTime > 0 {  // Ensure accumulated time is not zero
      let fps = Double(self.frameCount) / self.accumulatedTime
      print("FPS: \(fps)")
      Task {
         await viewStore.send(.didUpdate(fps)).finish()
       }
    } else {
      print("FPS: Infinity")  // Handle the case when accumulated time is zero
    }
    self.frameCount = 0
    self.accumulatedTime = 0
  }
}

subscriptions.append(sceneUpdateSubscription)