From 2ba6cf12eda44e257c3a4b5c28da02ca6707dd3c Mon Sep 17 00:00:00 2001
From: schneefux <schneefux+commit@schneefux.xyz>
Date: Sun, 29 Jun 2014 15:23:38 +0200
Subject: initial commit

---
 ant.py | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 ant.py

(limited to 'ant.py')

diff --git a/ant.py b/ant.py
new file mode 100644
index 0000000..7d8d050
--- /dev/null
+++ b/ant.py
@@ -0,0 +1,77 @@
+#!/usr/bin/python
+
+#
+#    10th October 2013
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+import pygame
+from pygame.locals import *
+
+# init pygame
+pygame.init()
+
+# the main game
+def game_loop():
+    # set properties
+    displaysize = (90, 90)
+    display = pygame.display.set_mode(displaysize)
+
+    # get a pixel array
+    pxarr = pygame.PixelArray(display)
+
+    display.fill((255, 255, 255))
+
+    # init the ant
+    antdir = 0
+    antx = displaysize[0] // 2
+    anty = displaysize[1] // 2
+
+    loop = True
+
+    # start the main loop
+    while loop:
+        # check window events
+        for event in pygame.event.get():
+            if event.type == QUIT:
+                loop = False
+
+        # check if the ant is inside the window
+        if antx > 0 and anty > 0 and antx < displaysize[0] and anty < displaysize[1]:
+            # operate
+            if pxarr[antx][anty] == 0:
+                # if white, set black and turn right
+                pxarr[antx][anty] = (255, 255, 255)
+                antdir += 1
+                if antdir == 4:
+                    antdir = 0
+            else:
+                # if black, set the pixel white and turn left
+                pxarr[antx][anty] = (0, 0, 0)
+                antdir -= 1
+                if antdir == -1:
+                    antdir = 3
+
+            # move the ant in its direction
+            if antdir % 2 == 0:
+                antx += antdir - 1
+            else:
+                anty += antdir - 2
+
+        # update the display
+        pygame.display.update()
+
+if __name__ == '__main__':
+    game_loop()
-- 
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