Remove deprecated parameters and animations (#3688)

* Remove deprecated parameters/animations

* Remove test

* Remove test data

manim/animation/indication.py

@@ -31,7 +31,6 @@ def construct(self):
     "Flash",
     "ShowPassingFlash",
     "ShowPassingFlashWithThinningStrokeWidth",
-    "ShowCreationThenFadeOut",
     "ApplyWave",
     "Circumscribe",
     "Wiggle",
@@ -342,16 +341,6 @@ def __init__(self, vmobject, n_segments=10, time_width=0.1, remover=True, **kwar
         )
 
 
-@deprecated(
-    since="v0.15.0",
-    until="v0.16.0",
-    message="Use Create then FadeOut to achieve this effect.",
-)
-class ShowCreationThenFadeOut(Succession):
-    def __init__(self, mobject: Mobject, remover: bool = True, **kwargs) -> None:
-        super().__init__(Create(mobject), FadeOut(mobject), remover=remover, **kwargs)
-
-
 class ApplyWave(Homotopy):
     """Send a wave through the Mobject distorting it temporarily.
 

manim/utils/paths.py

@@ -10,28 +10,22 @@
 ]
 
 
-from typing import Callable
+from typing import TYPE_CHECKING
 
 import numpy as np
 
 from ..constants import OUT
 from ..utils.bezier import interpolate
-from ..utils.deprecation import deprecated_params
 from ..utils.space_ops import rotation_matrix
 
-STRAIGHT_PATH_THRESHOLD = 0.01
+if TYPE_CHECKING:
+    from manim.typing import PathFuncType, Vector3D
+
 
-PATH_FUNC_TYPE = Callable[[np.ndarray, np.ndarray, float], np.ndarray]
+STRAIGHT_PATH_THRESHOLD = 0.01
 
 
-# Remove `*args` and the `if` inside the functions when removing deprecation
-@deprecated_params(
-    params="start_points, end_points, alpha",
-    since="v0.14",
-    until="v0.15",
-    message="Straight path is now returning interpolating function to make it consistent with other path functions. Use straight_path()(a,b,c) instead of straight_path(a,b,c).",
-)
-def straight_path(*args) -> PATH_FUNC_TYPE:
+def straight_path():
     """Simplest path function. Each point in a set goes in a straight path toward its destination.
 
     Examples
@@ -74,14 +68,12 @@ def construct(self):
                 self.wait()
 
     """
-    if len(args) > 0:
-        return interpolate(*args)
     return interpolate
 
 
 def path_along_circles(
-    arc_angle: float, circles_centers: np.ndarray, axis: np.ndarray = OUT
-) -> PATH_FUNC_TYPE:
+    arc_angle: float, circles_centers: np.ndarray, axis: Vector3D = OUT
+) -> PathFuncType:
     """This function transforms each point by moving it roughly along a circle, each with its own specified center.
 
     The path may be seen as each point smoothly changing its orbit from its starting position to its destination.
@@ -158,7 +150,7 @@ def path(start_points: np.ndarray, end_points: np.ndarray, alpha: float):
     return path
 
 
-def path_along_arc(arc_angle: float, axis: np.ndarray = OUT) -> PATH_FUNC_TYPE:
+def path_along_arc(arc_angle: float, axis: Vector3D = OUT) -> PathFuncType:
     """This function transforms each point by moving it along a circular arc.
 
     Parameters
@@ -225,7 +217,7 @@ def path(start_points: np.ndarray, end_points: np.ndarray, alpha: float):
     return path
 
 
-def clockwise_path() -> PATH_FUNC_TYPE:
+def clockwise_path() -> PathFuncType:
     """This function transforms each point by moving clockwise around a half circle.
 
     Examples
@@ -271,7 +263,7 @@ def construct(self):
     return path_along_arc(-np.pi)
 
 
-def counterclockwise_path() -> PATH_FUNC_TYPE:
+def counterclockwise_path() -> PathFuncType:
     """This function transforms each point by moving counterclockwise around a half circle.
 
     Examples
@@ -317,7 +309,7 @@ def construct(self):
     return path_along_arc(np.pi)
 
 
-def spiral_path(angle: float, axis: np.ndarray = OUT) -> PATH_FUNC_TYPE:
+def spiral_path(angle: float, axis: Vector3D = OUT) -> PathFuncType:
     """This function transforms each point by moving along a spiral to its destination.
 
     Parameters

tests/test_graphical_units/test_indication.py

@@ -42,13 +42,6 @@ def test_ShowPassingFlash(scene):
     scene.play(ShowPassingFlash(square.copy()))
 
 
-@frames_comparison(last_frame=False)
-def test_ShowCreationThenFadeOut(scene):
-    square = Square()
-    scene.add(square)
-    scene.play(ShowCreationThenFadeOut(square.copy()))
-
-
 @frames_comparison(last_frame=False)
 def test_ApplyWave(scene):
     square = Square()