first commit

tile.py

@@ -0,0 +1,15 @@
+from tuple_addition import tuple_add as tAdd
+
+class Tile:
+
+    def __init__(self, coord_black, coord_white, direction):
+        self.coord_black = coord_black
+        self.coord_white = coord_white
+        self.direction = direction
+    
+    def shift(self):
+        self.coord_black = tAdd(self.coord_black, self.direction)
+        self.coord_white = tAdd(self.coord_white, self.direction)
+        return (self.coord_black, self.coord_white)
+    
+