Added some examples for Mobject/VMobject methods (#3641)

* Add examples to mobject+vmobject methods

* Add missing import

* Separate whitespace to point_from_proportion

* Fixes!

* Changed example of Mobject.get_color

* Remove unneccessary import

* Add in import

Author: JasonGrace2282

manim/mobject/mobject.py

@@ -882,7 +882,7 @@ def has_time_based_updater(self) -> bool:
 
         Returns
         -------
-        class:`bool`
+        :class:`bool`
             ``True`` if at least one updater uses the ``dt`` parameter, ``False``
             otherwise.
 
@@ -1905,7 +1905,17 @@ def fade(self, darkness: float = 0.5, family: bool = True) -> Self:
         return self
 
     def get_color(self) -> ManimColor:
-        """Returns the color of the :class:`~.Mobject`"""
+        """Returns the color of the :class:`~.Mobject`
+
+        Examples
+        --------
+        ::
+
+            >>> from manim import Square, RED
+            >>> Square(color=RED).get_color() == RED
+            True
+
+        """
         return self.color
 
     ##

manim/mobject/types/vectorized_mobject.py

@@ -962,6 +962,27 @@ def set_points_as_corners(self, points: Point3D_Array) -> Self:
         -------
         :class:`VMobject`
             ``self``
+
+
+        Examples
+        --------
+        .. manim:: PointsAsCornersExample
+            :save_last_frame:
+
+            class PointsAsCornersExample(Scene):
+                def construct(self):
+                    corners = (
+                        # create square
+                        UR, UL,
+                        DL, DR,
+                        UR,
+                        # create crosses
+                        DL, UL,
+                        DR
+                    )
+                    vmob = VMobject(stroke_color=RED)
+                    vmob.set_points_as_corners(corners).scale(2)
+                    self.add(vmob)
         """
         nppcc = self.n_points_per_cubic_curve
         points = np.array(points)
@@ -1387,6 +1408,22 @@ def point_from_proportion(self, alpha: float) -> Point3D:
             If ``alpha`` is not between 0 and 1.
         :exc:`Exception`
             If the :class:`VMobject` has no points.
+
+        Example
+        -------
+        .. manim:: PointFromProportion
+            :save_last_frame:
+
+            class PointFromProportion(Scene):
+                def construct(self):
+                    line = Line(2*DL, 2*UR)
+                    self.add(line)
+                    colors = (RED, BLUE, YELLOW)
+                    proportions = (1/4, 1/2, 3/4)
+                    for color, proportion in zip(colors, proportions):
+                        self.add(Dot(color=color).move_to(
+                                line.point_from_proportion(proportion)
+                        ))
         """
 
         if alpha < 0 or alpha > 1: