From 1332ef8ad56b00ac314bc40961f23c9bc905dcf7 Mon Sep 17 00:00:00 2001
From: Michael Hayes <michael.hayes@canterbury.ac.nz>
Date: Tue, 1 Oct 2013 15:16:39 +1300
Subject: [PATCH] Make monster flash

---
 apps/gobble6/gobble6.c |  6 ++++++
 apps/gobble6/things.c  |  7 +++++++
 apps/gobble6/things.h  | 10 ++++------
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/apps/gobble6/gobble6.c b/apps/gobble6/gobble6.c
index 74d7087..e298b90 100644
--- a/apps/gobble6/gobble6.c
+++ b/apps/gobble6/gobble6.c
@@ -61,6 +61,12 @@ int main (void)
         navswitch_tick++;
         if (navswitch_tick >= LOOP_RATE / NAVSWITCH_RATE)
         {
+            static int count = 0;
+
+            count++;
+            if (running && count % 4 == 0)
+                monster_toggle ();
+
             navswitch_tick = 0;
 
             navswitch_update ();
diff --git a/apps/gobble6/things.c b/apps/gobble6/things.c
index 44b0798..68edfed 100644
--- a/apps/gobble6/things.c
+++ b/apps/gobble6/things.c
@@ -98,6 +98,13 @@ void monster_move (int8_t dx, int8_t dy)
 }
 
 
+void monster_toggle (void)
+{
+    tinygl_pixel_set (things[0].pos, ! tinygl_pixel_get (things[0].pos));
+}
+
+
+
 static void thing_move (uint8_t this)
 {
     uint8_t i;
diff --git a/apps/gobble6/things.h b/apps/gobble6/things.h
index d644780..8b83a46 100644
--- a/apps/gobble6/things.h
+++ b/apps/gobble6/things.h
@@ -3,16 +3,14 @@
 
 #include "system.h"
 
-void things_create (void);
-
-void things_twinkle (void);
+bool things_killed_p (void);
 
-void things_display (uint8_t tick);
+void things_create (void);
 
-bool things_killed_p (void);
+void things_move (void);
 
 void monster_move (int8_t dx, int8_t dy);
 
-void things_move (void);
+void monster_toggle (void);
 
 #endif