Update README.

1 files changed, 11 insertions, 16 deletions

diff --git a/README b/README
index e2c75c4..e820e16 100644
--- a/README
+++ b/README
@@ -4,13 +4,12 @@ Sly is a free software game engine written in [[https://gnu.org/software/guile][
 provides an abstraction layer above SDL and OpenGL for common game
 programming requirements such as:
 
+- Scripting
 - Animation
 - Shaders
 - Sprites
 - Tilesets
-- Scene graph
 - Keyboard/mouse/joystick input
-- Scripting
 
 Sly differentiates itself from most other game engines by encouraging
 [[http://toplap.org/about/][live coding]] and emphasizing [[http://elm-lang.org/learn/What-is-FRP.elm][functional reactive programming]].
@@ -33,16 +32,18 @@ Sly differentiates itself from most other game engines by encouraging
     ;; Create OpenGL context and do other setup.
     (sly-init)
 
-    ;; The object to render.
-    (define model
-      (model-move (vector2 320 240) (load-sprite "gnu.png")))
+    ;; Load a GNU head sprite.
+    (define gnu
+      (load-sprite "gnu.png"))
 
     ;; The way we see the world.
-    (define camera (orthographic-camera 640 480))
+    (define camera
+      (2d-camera #:area (make-rect 0 0 640 480)))
 
-    ;; View the model from the perspective of the camera.
+    ;; View the sprite from the perspective of the camera.
     (define-signal scene
-      (make-scene camera model))
+      (with-camera camera
+        (move (vector2 320 240) (render-sprite gnu))))
 
     (with-window (make-window #:title "Hello, world!")
       (run-game-loop scene))
@@ -130,7 +131,7 @@ Sly differentiates itself from most other game engines by encouraging
   =(start-sly-repl)=.  To connect to the REPL server, use the [[http://www.nongnu.org/geiser/][Geiser]]
   extension for GNU Emacs.
 
-  *Geiser*
+*** Geiser
 
   #+BEGIN_SRC fundamental
    M-x connect-to-guile
@@ -158,7 +159,7 @@ Sly differentiates itself from most other game engines by encouraging
   running:
 
   #+BEGIN_SRC sh
-    guix environment -l package.scm
+    guix environment -l guix.scm
   #+END_SRC
 
 * Running Examples
@@ -188,12 +189,6 @@ Sly differentiates itself from most other game engines by encouraging
   useful modules, start a REPL server, open a window, and start the
   game loop.  Simply connect to the REPL server and start hacking!
 
-* Platforms
-
-  Sly supports GNU/Linux currently. OS X support is in the works, but
-  there are problems with guile-sdl. See
-  https://github.com/davexunit/guile-2d/issues/2 for more details.
-
 * Dependencies
 
   - GNU Guile >= 2.0.11