docs: write journal entry

Signed-off-by: André Jaenisch <andre.jaenisch@posteo.de>

journal/2021-08-17.md

@@ -54,6 +54,7 @@ See journal entry from [tomorrow][tomorrow].
 [diff]: https://jaenis.ch/hobbies/coding/repos/ryuno-ki/js13kgames-2021/compare/41fe3e4b63310b25fb6ca55bd9f13387c66b1650...514b19099772a4800be23d3c5db280c5d323bd1b
 [mathjax]: https://github.com/go-gitea/gitea/issues/3445#issuecomment-439673050
 [screenshot]: ./2021-08-17.png
+[start]: ./2021-08-13.md
 [tomorrow]: ./2021-08-18.md
 [yesterday]: ./2021-08-16.md
 [zzfx]: https://killedbyapixel.github.io/ZzFX/

journal/2021-08-18.md

@@ -35,14 +35,14 @@ conscious work holds water.
 - [ ] See ToDos from [yesterday][yesterday].
 - [ ] More ideation
 - [ ] Blackjack game logic research
-- [ ] Card design research
+- [x] Card design research
 
 ### Codewise
 
 I think, some refactorings could ease the next step.
 
-- [ ] Create a file to hold references to DOM elements (to avoid null checks)
-- [ ] Move update-functions for position and physics into dedicated files
+- [x] Create a file to hold references to DOM elements (to avoid null checks)
+- [x] Move update-functions for position and physics into dedicated files
 
 ### Previous in line
 

journal/2021-08-19.md

@@ -40,8 +40,13 @@ I think, some refactorings could ease the next step.
 
 See journal entry from [yesterday][yesterday].
 
+### Next in line
+
+See journal entry from [tomorrow][tomorrow].
+
 [article]: https://design-milk.com/10-modern-decks-of-playing-cards-to-keep-you-in-the-game/
 [card]: ../src/img/card.jpg
 [diff]: https://jaenis.ch/hobbies/coding/repos/ryuno-ki/js13kgames-2021/compare/859f1a261a3c3f7999eda0fc94d514900f1c5af3...df3dd8fa2aca9595e9f6381781e604be76dce27d
 [ssm]: https://screensizemap.com/
+[tomorrow]: ./2021-08-20.md
 [yesterday]: ./2021-08-18.md

journal/2021-08-20.md

@@ -0,0 +1,46 @@
+# 2021-08-20
+
+## Today's achievement
+
+Inspired by a [tweet][tweet] I was wondering, whether I could get away cheaply
+by using boxes with eyes. Perhaps with a mouth and eyebrows.
+
+A quick look at facial expressions lead me to think, that it can be used in
+different places:
+
+[![facial expressions][facial]][expressions]
+
+They can be combined by using eyes and mouth!
+
+[![chart showing a matrix of combinations of eyes and mouths][chart]][source]
+
+[commit diff 1b672a3de21146bc6a599aaa630dab30ab44f5a8 to e82734dc037518f818aaa9e8157251266e9d447a][diff]
+
+![screenshot from 2021-08-20][screenshot]
+
+## Next steps
+
+I will scribble some ideas of how I can use pixel art to represent different
+types of objects. I have to be on the road tomorrow anyway.
+
+I can also pick up my paper notebook again and think about how to lay out the
+elements of the game.
+
+### Codewise
+
+- [ ] See ToDos from [yesterday][yesterday].
+- [ ] Refactor code to initial state as module to allow for save state.
+- [ ] Move borders on every pass of the powerups.
+
+### Previous in line
+
+See journal entry from [yesterday][yesterday].
+
+[chart]: ./chart.jpg
+[diff]: https://jaenis.ch/hobbies/coding/repos/ryuno-ki/js13kgames-2021/compare/1b672a3de21146bc6a599aaa630dab30ab44f5a8...e82734dc037518f818aaa9e8157251266e9d447a
+[expressions]: https://savageanimations-expression.blogspot.com/2016/03/exploring-expression.html
+[facial]: ./facial_expressions.jpg
+[screenshot]: ./2021-08-20.png
+[source]: https://www.deviantart.com/staticfactory/art/Facial-Expression-Chart-D-97933463
+[tweet]: https://twitter.com/SilentYetiGames/status/1427809307488407558
+[yesterday]: ./2021-08-19.md

journal/README.md

@@ -12,3 +12,4 @@ journal and update it daily as I go along.
 - [17th August 2021](./2021-08-17.md)
 - [18th August 2021](./2021-08-18.md)
 - [19th August 2021](./2021-08-19.md)
+- [20th August 2021](./2021-08-20.md)