A fairly simple way, I imagine, would be to create some video feedback with a video cam live feed into a monitor/tv screen. You could then put it together afterwards in an editing software.
like this:
https://youtu.be/-XDnC0DxoEg
Never tried it myself though, but it looks like you can get pretty interesting results.
I've been meaning to look into 3d modelling / animation, but god damned there's lot to learn before you can even do anything useful.