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Code, Eval, Play, Loop – Common Lisp OpenGL Environment

github.com Software & code Software projects Computer science Candidate
Screenshot of github.com captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 2 calendar years, with breakout response in 2 of them.

submissions
3
submitters
2
observed span
2015–2021
peak thread · 18 comments
139 pts
latest 20+ return · 2021-12-13
109 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

Be sure to check out the videos of it in use [1] and the Lisp to GLSL translator [2]. [1] http://www.youtube.com/playlist?list=PL2VAYZE_4wRKKr5pJzfYD1... [2] https://github.com/cbaggers/varjo

Awesome to see this posted again! Hopefully, this gains some traction now. It is pretty cool to develop with OpenGL in real-time. Also, there are some videos on this posted by the author[0]. [0] https://www.youtube.com/playlist?list=PL2VAYZE_4wRKKr5pJzfYD...

The author also has a lot videos on CEPL [0] [1] as well as more generally on Lisp [2] [0] https://www.youtube.com/playlist?list=PL2VAYZE_4wRKKr5pJzfYD... [1] https://www.youtube.com/playlist?list=PL2VAYZE_4wRITJBv6saaK... [1] https://www.youtube.com/user/CBaggers

podiki·2-point thread·

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
250

reference only — not used in Hall rules or ranking

Total comments
27

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2015-01-24Code, Eval, Play, Loop – Common Lisp OpenGL EnvironmentFirst breakout · Best threadjoubert13918
2021-02-14Code Evaluate Play Loop (Common Lisp OpenGL Library and Environment)podiki21
2021-12-13CEPL: A lispy and REPL-friendly Common Lisp library for working with OpenGLLatest 20+ point returnpodiki1098