From 0410eda4a37a123c173f971d2050b41f79eb74fc Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Tue, 25 Jun 2013 18:18:25 -0400
Subject: Update examples to use new keycode enumeration.

---
 examples/particles.scm | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'examples/particles.scm')

diff --git a/examples/particles.scm b/examples/particles.scm
index 28420b6..a446bff 100644
--- a/examples/particles.scm
+++ b/examples/particles.scm
@@ -9,7 +9,8 @@
              (2d sprite)
              (2d game-loop)
              (2d window)
-             (2d vector))
+             (2d vector)
+             (2d input))
 
 (set! *random-state* (random-state-from-platform))
 
@@ -63,7 +64,7 @@
 
 (define stars (load-sprite "stars.png" #:anchor #(0 0)))
 (define particle-image (load-texture "bullet.png"))
-(define num-particles 300)
+(define num-particles 1800)
 (define particles
   (list-tabulate num-particles
                  (lambda (n)
@@ -78,10 +79,10 @@
 (set-key-down-callback (lambda (key) (key-down key)))
 
 (define (key-down key)
-  (case key
-    ((SDLK_ESCAPE SDLK_q)
-     (close-window)
-     (quit))))
+  (cond ((or (= key (keycode escape))
+             (= key (keycode q)))
+         (close-window)
+         (quit))))
 
 (define (render)
   (draw-sprite stars)
-- 
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