diff --git a/astar.py b/astar.py
index e48ed0a..03bd15a 100644
--- a/astar.py
+++ b/astar.py
@@ -208,8 +208,11 @@ class Board:
                 node.draw(screen)
 
 def main():
+    BOARD_DIMENSIONS = XYPair(100, 80)
+    WALL_DENSITY = 0.45
+
     render_info = Render_Info()
-    board = Board(XYPair(100, 80), 0.45, render_info)
+    board = Board(BOARD_DIMENSIONS, WALL_DENSITY, render_info)
     screen = pygame.display.set_mode(render_info.screen_dimensions)
     running = True
     evolving = False
@@ -224,7 +227,7 @@ def main():
         if evolving:
             if not board.explore():
                 pygame.time.wait(5000)
-                board = Board(XYPair(100, 80), 0.45, render_info)
+                board = Board(BOARD_DIMENSIONS, WALL_DENSITY, render_info)
 
         for event in pygame.event.get():
             if event.type == pygame.QUIT:
@@ -235,7 +238,7 @@ def main():
                     evolving = not evolving
                 
                 if event.key == pygame.K_ESCAPE:
-                    board = Board(XYPair(100, 80), 0.45, render_info)
+                    board = Board(BOARD_DIMENSIONS, WALL_DENSITY, render_info)
             
 if __name__ == "__main__":
     main()
\ No newline at end of file