Midpoint circle and circle intersection

metro/Metro_Line.py

@@ -1,4 +1,4 @@
-from math import sqrt
+from math import sqrt, atan2
 
 
 class Position:
@@ -21,12 +21,19 @@ class Position:
     def __str__(self):
         return f"({self.x}, {self.y})"
 
+    def __eq__(self, other: "Position"):
+        return self.x == other.x and self.y == other.y
+
     def distance_to(self, other: "Position") -> float:
         return sqrt((self.x - other.x) ** 2 + (self.y - other.y) ** 2)
 
     def norm(self) -> float:
         return sqrt(self.x ** 2 + self.y ** 2)
 
+    def angle_to(self, other: "Position") -> float:
+        return atan2(self.y - other.y, other.x - self.x)
+
+
 class Station:
     """
     This class represents the position and link of a metro station.