Martin Stewart tells the behind-the-scenes story of how his game [Circuit Breaker](https://martinsstewart.gitlab.io/hackman/) (built entirely in Elm, of course) came to be, starting with an ambitious plan to surprise his sister on her birthday. Thank you to our sponsor, [Culture Amp](https://cultureamp.com/jobs). Special thanks to Xavier Ho ([@Xavier_Ho](https://twitter.com/Xavier_Ho)) for editing and production of this episode! **Recording date:** 5 Jan 2020 ## Guest - Martin Stewart (https://tretton37.com/meet/martin-stewart) ## Show Notes 00:00:00 **Intro and sponsors** 00:02:37 **How Martin got into Elm** 00:05:14 **C#/WPF to Elm** * [tretton37](https://tretton37.com/) 00:07:05 **Getting started in Elm** 00:07:44 **Remaking Lego Loco / server-side logic** * [Lego Loco remake](https://github.com/MartinSStewart/Lego-Loco-Remake) (GitHub) * [Lego Loco](https://en.wikipedia.org/wiki/Lego_Loco) (Wikipedia) 00:11:29 **“I was allergic to using case statements”** 00:14:10 **The origin of Circuit Breaker** 00:17:57 **A brief description of Circuit Breaker** * [Circuit Breaker](https://martinsstewart.gitlab.io/hackman/) / [source code](https://gitlab.com/MartinSStewart/hackman/) 00:19:45 **The original “hackman” prototype** 00:21:30 **The level editor** 00:23:08 **SVG to WebGL / presentation framework** * [Elm Town 35 - Herzog Drei with Francesco Orsenigo](https://elmtown.simplecast.fm/herzog-drei-francesco-orsenigo) * [sthlm.js #53 at tretton37](https://www.meetup.com/en-AU/sthlm-js/events/259865511/) (meetup event) * [Stockholm Elm: Catchy Elm meetup title](https://www.meetup.com/en-AU/Stockholm-Elm/events/259922891/) (meetup event) * [WebGL for Elm](https://package.elm-lang.org/packages/elm-explorations/webgl/latest/) * [Martin's C# game engine](https://github.com/MartinSStewart/Aventyr-Project) / [video demo](https://www.youtube.com/watch?v=Y_ExX2LT_bw) 00:30:27 **Hacking around Elm WebGL's limitations** 00:38:45 **Ready for his sister's birthday** 00:40:16 **Polishing Circuit Breaker full time between clients** * [Circuit Breaker with Elm logo colour scheme](https://martinsstewart.gitlab.io/hackman/?a=AQAAAABctc180ytaY3mqfhG_x9QAe9z___-W_zTyrgC1hxv___8A_wC-0f_yrgA) 00:42:13 **Deterministic except for floating point precision** 00:44:07 **The game's tutorial** 00:47:49 **Hidden features and Easter Eggs** 00:49:50 **Splitting a project into modules** 00:53:22 **Music in the game** * [Meganeko](https://meganeko.bandcamp.com/track/computer-blues) * [Lain Volta](https://soundcloud.com/lainvolta/lain-volta-ld-e011) 00:54:59 **Playing music in Elm** * [Crypt of the Necrodancer](https://braceyourselfgames.com/crypt-of-the-necrodancer/) 00:58:30 **Thankyous & Outro** * [elm-ui](https://elm-ui.netlify.com) * [elm-geometry](https://package.elm-lang.org/packages/ianmackenzie/elm-geometry/latest/)