There are several links to the cited demos. On the right of the pouet page, you can find youtube links. eg. https://www.pouet.net/prod.php?which=69654 https://

There are several links to the cited demos. On the right of the pouet page, you can find youtube links. eg. https://www.pouet.net/prod.php?which=69654 https://www.pouet.net/prod.php?which=69654 https://www.pouet.net/prod.php?which=55737 https://www.pouet.net/prod.php?which=55737