This is a demo version of my 3D program The Green in which I have added a vertical mirror. This was first done for the Gamedev.js Jam 2021.
New version 21.5.8 includes more features, including "Quarky Queens" (if you click through the mirror).
I realise that going through the mirror is too slow but there are interesting things the other side!
ProgrammingAMirror.pdf 48 kB