Demo of semi-3d abilities of PsyXEngine.
Run with JIT to see 15 framerate, otherwise it will be slower (with xdebug enabled extremely slow):
php -dopcache.enable_cli=1 -dopcache.jit=on -dopcache.jit_buffer_size=100M src/main.php --withMap
Remove --withMap if you do not need map displayed.