game: add: goal work

games/objects/Segment.py

@@ -1,13 +1,23 @@
 
 from .Point import Point
+from .Vector import Vector
 
 import math
+
 class Segment:
     
     def __init__(self, start: Point, stop: Point) -> None:
         self.start: Point = start
         self.stop: Point = stop
-        self.length: float = math.dist((self.start.x, self.start.y), (self.stop.x, self.stop.y))
+
+    def angle(self):
+        return math.atan2((self.start.x - self.start.y), (self.stop.x - self.stop.y))
+        
+    def length(self):
+        return self.start.distance(self.stop)
+    
+    def is_on(self, C: Point):
+        return (self.start.distance(C) + self.stop.distance(C) == self.length())
     
     def __repr__(self) -> str:
         return f"Segment(start: {self.start}, stop: {self.stop})"
@@ -18,7 +28,7 @@ class Segment:
     def copy(self):
         return Segment(self.start.copy(), self.stop.copy())
     
-    def to_dict(self):
+    def to_dict(self) -> dict:
         
         data: dict[str: dict] = {
             "start": self.start.to_dict(),