1 files changed, 28 insertions, 0 deletions
diff --git a/sidewinder.py b/sidewinder.py
new file mode 100644
index 0000000..c047eed
--- /dev/null
+++ b/sidewinder.py
@@ -0,0 +1,28 @@
+import random
+
+
+class Sidewinder(object):
+    def on(grid):
+        for row in grid.each_row():
+            run = []
+
+            for cell in row:
+                run.append(cell)
+
+                at_eastern_boundary  = (cell.east == None)
+                at_northern_boundary = (cell.north == None)
+
+                should_close_out = at_eastern_boundary or \
+                                   (not at_northern_boundary and random.randint(0, 1) == 0)
+
+                if should_close_out:
+                    member = random.choice(run)
+                    if member.north:
+                        member.link(member.north)
+                    del run[:]
+                else:
+                    cell.link(cell.east)
+
+            #print(grid)
+
+        return grid