[doc] readme

1 files changed, 4 insertions, 2 deletions

diff --git a/README.org b/README.org
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@@ -63,7 +63,10 @@ This defines a subclass of appliation along with some state needed for the pong
     
 **** The Window & Scale & Coordinates
 
-Wheelwork uses SDL2 to create windows and generate events. The application includes a global scale factor that affects how the game interperets coordinates inside the window.  A window, for example, can be 800x600 pixels on your computer monitor, but if the application's scale factor is 2.0, then it will only have a 400x300 logical space of coordinates.  If you add a sprite that is 30x30 pixels big, it will appear twice as large, but it will still logically be 30x30.
+Wheelwork uses SDL2 to create windows and generate events. The application includes a global scale factor that affects how the game interperets coordinates inside the window.  A window, for example, can be 800x600 pixels on your computer monitor, but if the application's scale factor is 2.0, then it will only have a 400x300 logical space of coordinates.  If you add a sprite that is 30x30 pixels big, it will appear twice as large, but it will occupy 30x30 "locial pixels".
+
+The =0,0= coordinate is the bottom left corner fo the game window, and the top right corner is =w,h=, the width and height of the scaled screen, respectively. 
+
 
 **** The Boot Method
 
@@ -136,7 +139,6 @@ More specifically, you can use the following accessor functions on them:
 
 There are a few convenience functions also defined that use the above functions under-the-hood. I'm not including them here because the API is still stabilizing. 
 
-The =0,0= coordinate is the bottom left corner fo the game window, and the top right corner is =w,h=, the width and height of the screen, respectively. 
 
 The affine units are things like: