[racket] Matlab like animation in Racket

Hello community members,

Does anybody know if it's possible to do animations in Racket like in this
demonstration: https://www.youtube.com/watch?v=S1sKsaewhpc

I also would like to add some control fields into the gui.
For example while modelling gas particles I need to change number of
particles in the region interactively.

Could you please advise me how to proceed with this issue?

-- 
Best regards,
Alex
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