Moved Coord to seperate module.

Author: intendednull

src/animation.py

@@ -9,11 +9,29 @@ class Coord(NamedTuple):
     """
     Helper class for managing coordinate values.
 
-    Coord overloads many of the numeric
+    Coord overloads many of the numeric operators by mapping
+    it to the x and y values individually.
 
-    param
-        x: float -- X position.
-        y: float -- Y position
+    param:
+        x: int -- X position.
+        y: int -- Y position.
+
+    example::
+
+    ```
+    c1 = c2 = Coord(1, 1)
+    c1 + c2
+    >>> Coord(2, 2)
+    # For convenience, integers are accepted as well
+    c1 = Coord(1, 1)
+    c1 + 1  # 1 is cast to Coord(1, 1)
+    >>> Coord(2, 2)
+    ```
+
+    note:
+
+    True divide `round`s in order to remain compatible with tkinter
+    coordinate values (`int`).
     """
 
     x: int
@@ -29,14 +47,25 @@ def __apply(self, op: Callable, other: Coord.Operand) -> Coord:
         y = op(self.y, other.y)
         return Coord(x, y)
 
-    @property
-    def midpoint(self) -> Coord:
-        return self // Coord(2, 2)
+    def midpoint(self, other: Coord) -> Coord:
+        """
+        The Coord that is equal distance from `self` and `other`.
+
+        param:
+            other: Coord -- The point to consider.
+
+        return:
+            Coord -- The resulting coordinate.
+        """
+        return (self + other) / 2
+
+    def __truediv__(self, other):
+        result = self.__apply(operator.truediv, other)
+        return Coord(*map(round, result))
 
     __add__ = partialmethod(__apply, operator.add)
     __sub__ = partialmethod(__apply, operator.sub)
     __mul__ = partialmethod(__apply, operator.mul)
     __mod__ = partialmethod(__apply, operator.mod)
     __pow__ = partialmethod(__apply, operator.pow)
-    __truediv__ = partialmethod(__apply, operator.truediv)
     __floordiv__ = partialmethod(__apply, operator.floordiv)