Hopefully I'm not too annoying for reposting this. I'm really interested in how simply this particle simulation could be written in APL. Seems like it could also be a oneliner:
https://chat.stackexchange.com/transcript/message/62059257#62059257

I'm having problems using other color schemes in the Dyalog editor. I am not able to change them or only some of them. I have used the predefined ones but also made one myself. However only a few colours are changed.
Anything I could do?