Is it possible to write games like Pac-Man in a functional language?

• elm-games

  2 140 0.0

  All Elm Games (hopefully)

• Elm

  198 7,447 5.4 Haskell

  Compiler for Elm, a functional language for reliable webapps.

  

I think the most fun and approachable way for beginners to build games with functional programming is with Elm [1].

See a few (small, demo) games built by the community in [2] .

Notice Elm has abandoned the FRP approach in favor of Model-View-Update [3].

[1] https://elm-lang.org/

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• repl

  1 60 8.2 F#

  Fable online REPL (by fable-compiler)

  

• Fable: F# |> BABEL

  60 2,816 9.7 F#

  F# to JavaScript, TypeScript, Python, Rust and Dart Compiler

  

• OCamlODE

  1 17 10.0 C

  OCaml bindings for the Open Dynamics Engine (ODE), a 3D physics engine.

• chips

  1 142 10.0 Haskell

  A clone of Chips Challenge in Haskell (by egonSchiele)

https://github.com/egonSchiele/chips

It's not better than using C, but worked just fine when I wrote it in 2014. I'd say, unless you're planning to sell it, write the game in whatever language you enjoy.

• minild72

  1 0 10.0 JavaScript

  :space_invader: Mini Ludum Dare 72: p_ng

Just to pitch in with a Clojurescript/Quill example, where the game loop takes a function that takes game state, modifies it, and returns it for the next iteration of the game loop.

https://github.com/opyate/minild72/blob/master/src/pong/core...

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• Monadius

  1 58 0.0 Haskell

  2-D arcade scroller

• defect-process

  19 203 3.5 Haskell

  Defect Process (2d hack n' slash game) full source code

Totally possible. Here’s a link to a game recently released on Steam that is written in Haskell and whose source is open: https://github.com/incoherentsoftware/defect-process

I recently hacked together an asteroids clone in Haskell with SDL2 and not much else. It’s not super pretty but it works.

I’ve talked to folks who’ve been using the newer effects libraries taking advantage of the new delimited continuation primops in GHC 9.6 for their game dev. Even with very high level libraries their reporting acceptable performance.

With enough dedication I’m certain anyone could make whatever game they wanted in an FP language.

• bfhs

  2 1 10.0 Haskell

  bf interp in hs

Made a mostly pure brainfuck in haskell where output collects to list in state & tape is a zipper. Machine type is Brain. Compute returns Brain & bool for whether program halted or is wanting input to overwrite current tape value & resume pure evaluation

https://github.com/serprex/bfhs/blob/master/minibf.hs

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