From ca6e25c2a5e4e7ef7ca3b2e2dc26f7d4fab805f4 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Tue, 3 May 2016 22:08:02 -0400
Subject: Animate enemies.

---
 game.scm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/game.scm b/game.scm
index 839796e..a848392 100644
--- a/game.scm
+++ b/game.scm
@@ -752,7 +752,15 @@ each time KEY is pressed."
                                                 ('popcorn-light 4)
                                                 ('pincer-dark 8)
                                                 ('pincer-light 12))
-                                              (if hit? 2 0)))))
+                                              (if hit?
+                                                  ;; Use the hit
+                                                  ;; indicator frame.
+                                                  2
+                                                  ;; Swap between the
+                                                  ;; 2 normal
+                                                  ;; animation frames.
+                                                  (modulo (round (/ time 5))
+                                                          2))))))
                     (sprite-batch-add! batch context tex rect)))
                 enemies))))
 
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