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@@ -20,3 +20,21 @@ Run `./game.scm` in this directory.
 ## License
 
 Uh.. GPL I guess.  See COPYING for details.
+
+## Development log
+
+### 2023-05-29
+
+- I've changed the basic logic from just throwing characters on the screen wherever to a vector-based approach.  I thought there was a multiple-dimensional vector egg or something, but I apparently was mistaken.  So I'm doing the ol' multiply-by-one-thing-and-add-another approach.
+- Implementing collision detection was slightly easier than I thought it might
+  be.
+- Figuring out the vector bounds math was tricky... lots of "off-by-one" errors.  I suppose I've hit both of the main errors of computer science with this game, then.
+- I encapsulated things in their own records (so far, `world`, `thing`, and `me` ... and `world` and `me` are parameterized) to keep stuff together.  I think this'll work... I hope!
+
+### .. before
+
+I started out by writing [yolk][], which has a bunch of procedures returning strings for terminal escapes.  NIH and all :)
+
+Originally I had a big loop to just draw all the border stuff at once, then the character where I wanted it.  The character would erase itself and redraw as it moved, which worked fine ... for one object.
+
+I was walking around when I realized I'd need to redo things.