1 files changed, 23 insertions, 0 deletions
diff --git a/Snake.py b/Snake.py
new file mode 100644
index 0000000..81c3b0b
--- /dev/null
+++ b/Snake.py
@@ -0,0 +1,23 @@
+
+import Vec
+
+class Snake:
+
+    cells = []
+    heading = Vec.up
+
+    def __init__(self, cells):
+        self.cells = cells
+
+    def move(self):
+        self.cells.pop()
+        self.cells.insert(0, self.cells[0] + self.heading)
+
+    def headInTail(self):
+        res = False
+        for i in range(1, len(self.cells)):
+            res = res or (self.cells[0] == self.cells[i])
+        return res
+
+    def head(self):
+        return self.cells[0]