Switch to 'settings.ini'. Copies old ini file if necessary on startup.
Trivial optimization. Wonder if compiler was smart enough about it.
add hedgehog tp svg as reference (as requested by nemo). feel free to improve :P
Fix hedgehogs number desync. Now all desyncs except the one from
issue #521 should be fixed. Please, test.
let's try to kill the thread right away and protect the thread variable with a mutex
I see no reason why a visual effect needs Distance. IMO square should look just fine. Untested. Oh. Also reduced flake count at Randi's request.