1 files changed, 11 insertions, 7 deletions
diff --git a/Walls.py b/Walls.py
index d591291..a365b89 100644
--- a/Walls.py
+++ b/Walls.py
@@ -8,11 +8,11 @@ class Walls:
     Useful as a wrapper to later increase performance of these operations."""
 
 
-    def __init__(self, walls):
-        _walls = []
+    def __init__(self, walls: list[Vec2]) -> None:
         self._walls = walls
 
-    def fromString(wallString):
+    @staticmethod
+    def fromString(wallString: str) -> 'Walls':
         walls = []
         y = 0
         for line in wallString.split('\n'):
@@ -24,15 +24,19 @@ class Walls:
             y += 1
         return Walls(walls)
 
-    def walls(self):
+    @staticmethod
+    def empty() -> 'Walls':
+        return Walls([])
+
+    def walls(self) -> list[Vec2]:
         return self._walls
         
-    def wallAt(self, pos):
+    def wallAt(self, pos: Vec2) -> bool:
         return (pos in self._walls)
 
-    def width(self):
+    def width(self) -> int:
         return max(self._walls, key=lambda p: p.x).x + 1
 
-    def height(self):
+    def height(self) -> int:
         return max(self._walls, key=lambda p: p.y).y + 1