1 files changed, 10 insertions, 6 deletions
diff --git a/PressurePlate.py b/PressurePlate.py
index acc0d42..fb3a938 100644
--- a/PressurePlate.py
+++ b/PressurePlate.py
@@ -1,28 +1,32 @@
 
+from Vec import Vec2
+from Trail import Trail
+from Door import Door
+from typing import Union
 
 class PressurePlate:
 
-    def __init__(self, pos):
+    def __init__(self, pos: Vec2) -> None:
         self.pos = pos
-        self._trails = []
+        self._trails: list[Union[Trail, Door]] = []
         self._isActive = False
 
 
-    def addTrail(self, trail):
+    def addTrail(self, trail: Union[Trail, Door]) -> None:
         self._trails.append(trail)
 
 
-    def isActive(self):
+    def isActive(self) -> bool:
         return self._isActive
 
 
-    def activate(self):
+    def activate(self) -> None:
         for trail in self._trails:
             trail.activate()
         self._isActive = True
 
 
-    def deactivate(self):
+    def deactivate(self) -> None:
         for trail in self._trails:
             trail.deactivate()
         self._isActive = False