Here's another demo of the engine: <a href="https://www.youtube.com/watch?v=gcpFkSGuDPM">https://www.youtube.com/watch?v=gcpFkSGuDPM</a><p>Here's some explanation: <a href="https://eab.abime.net/showthread.php?t=113573" rel="nofollow">https://eab.abime.net/showthread.php?t=113573</a><p>And here's the source: <a href="https://github.com/Rst7CBSIE/SDDDE">https://github.com/Rst7CBSIE/SDDDE</a>