kandid, 
The time for #genuary is over.
I've been working on animations for weeks. I can't manage to get involved in a new topic every day.
One of the challenges in genuary was shader. This animation is based on #Clojure, #Java and #GLSL fragment shaders.
Instead of a GUI this animation is controlled by a live coding system.
The lb operator activates different GLSL shaders:
(lb 10) preserve only red channel
(lb 9) invert source
(lb 8) overlay source on destination
(lb 12) invert destination
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