It runs pretty smooth on my iPhone, but yes, it is a prototype meant for education, not suitable for production use.
> So, I recklessly replaced all the elements of my menu that needed to animate with SpringLayers and just set the whole thing to re-render sixty times a second. I thought surely this would cause performance issues because I’d be re-calculating a spring value for each property of each animated layer each frame, but I never had an issue (on desktop at least), so given that this is a prototype, I just went with it.
> So, I recklessly replaced all the elements of my menu that needed to animate with SpringLayers and just set the whole thing to re-render sixty times a second. I thought surely this would cause performance issues because I’d be re-calculating a spring value for each property of each animated layer each frame, but I never had an issue (on desktop at least), so given that this is a prototype, I just went with it.