No transparent view in precent VC

Following is my code, second view transparent is only worked with Hero default animation (fade in). If I used other animation, alpha become 1 I think.

Btw, how to set same effect on dismiss also?
I used default code dismiss(animation, completion)
but only fade out effect worked.

Thanks for this Hero library.

```
vc.modalPresentationStyle = .overFullScreen
vc.isHeroEnabled = true
vc.heroModalAnimationType = .pageIn(direction: .down)
self.present(vc, animated: true, completion: nil)
```