Replace DEGREES -> DEG

docs/source/documentation/constants.rst

@@ -74,7 +74,7 @@ Mathematical constant
 
    PI = np.pi
    TAU = 2 * PI
-   DEGREES = TAU / 360
+   DEG = TAU / 360
 
 Text
 ----

docs/source/getting_started/example_scenes.rst

@@ -34,7 +34,7 @@ InteractiveDevlopment
             self.play(ReplacementTransform(square, circle))
             self.wait()
             self.play(circle.animate.stretch(4, 0))
-            self.play(Rotate(circle, 90 * DEGREES))
+            self.play(Rotate(circle, 90 * DEG))
             self.play(circle.animate.shift(2 * RIGHT).scale(0.25))
 
             text = Text("""
@@ -221,7 +221,7 @@ TexTransformExample
             self.play(
                 TransformMatchingTex(
                     lines[0].copy(), lines[1],
-                    path_arc=90 * DEGREES,
+                    path_arc=90 * DEG,
                 ),
                 **play_kw
             )
@@ -599,8 +599,8 @@ SurfaceExample
             # Set perspective
             frame = self.camera.frame
             frame.set_euler_angles(
-                theta=-30 * DEGREES,
+                theta=-30 * DEG,
-                phi=70 * DEGREES,
+                phi=70 * DEG,
             )
 
             surface = surfaces[0]
@@ -624,8 +624,8 @@ SurfaceExample
             self.play(
                 Transform(surface, surfaces[2]),
                 # Move camera frame during the transition
-                frame.animate.increment_phi(-10 * DEGREES),
+                frame.animate.increment_phi(-10 * DEG),
-                frame.animate.increment_theta(-20 * DEGREES),
+                frame.animate.increment_theta(-20 * DEG),
                 run_time=3
             )
             # Add ambient rotation

example_scenes.py

@@ -190,7 +190,7 @@ class TexTransformExample(Scene):
                 # to go to a non-equal substring from the target,
                 # use the key map.
                 key_map={"+": "-"},
-                path_arc=90 * DEGREES,
+                path_arc=90 * DEG,
             ),
         )
         self.wait()
@@ -203,7 +203,7 @@ class TexTransformExample(Scene):
             TransformMatchingStrings(
                 lines[2].copy(), lines[3],
                 key_map={"2": R"\sqrt"},
-                path_arc=-30 * DEGREES,
+                path_arc=-30 * DEG,
             ),
         )
         self.wait(2)
@@ -616,8 +616,8 @@ class SurfaceExample(ThreeDScene):
         self.play(
             Transform(surface, surfaces[2]),
             # Move camera frame during the transition
-            self.frame.animate.increment_phi(-10 * DEGREES),
+            self.frame.animate.increment_phi(-10 * DEG),
-            self.frame.animate.increment_theta(-20 * DEGREES),
+            self.frame.animate.increment_theta(-20 * DEG),
             run_time=3
         )
         # Add ambient rotation
@@ -666,7 +666,7 @@ class InteractiveDevelopment(Scene):
         self.play(ReplacementTransform(square, circle))
         self.wait()
         self.play(circle.animate.stretch(4, 0))
-        self.play(Rotate(circle, 90 * DEGREES))
+        self.play(Rotate(circle, 90 * DEG))
         self.play(circle.animate.shift(2 * RIGHT).scale(0.25))
 
         text = Text("""

manimlib/animation/indication.py

@@ -14,7 +14,7 @@ from manimlib.animation.transform import Transform
 from manimlib.constants import FRAME_X_RADIUS, FRAME_Y_RADIUS
 from manimlib.constants import ORIGIN, RIGHT, UP
 from manimlib.constants import SMALL_BUFF
-from manimlib.constants import DEGREES
+from manimlib.constants import DEG
 from manimlib.constants import TAU
 from manimlib.constants import GREY, YELLOW
 from manimlib.mobject.geometry import Circle
@@ -395,7 +395,7 @@ class WiggleOutThenIn(Animation):
 
 
 class TurnInsideOut(Transform):
-    def __init__(self, mobject: Mobject, path_arc: float = 90 * DEGREES, **kwargs):
+    def __init__(self, mobject: Mobject, path_arc: float = 90 * DEG, **kwargs):
         super().__init__(mobject, path_arc=path_arc, **kwargs)
 
     def create_target(self) -> Mobject:

manimlib/animation/transform.py

@@ -5,7 +5,7 @@ import inspect
 import numpy as np
 
 from manimlib.animation.animation import Animation
-from manimlib.constants import DEGREES
+from manimlib.constants import DEG
 from manimlib.constants import OUT
 from manimlib.mobject.mobject import Group
 from manimlib.mobject.mobject import Mobject
@@ -314,7 +314,7 @@ class ApplyComplexFunction(ApplyMethod):
 
 
 class CyclicReplace(Transform):
-    def __init__(self, *mobjects: Mobject, path_arc=90 * DEGREES, **kwargs):
+    def __init__(self, *mobjects: Mobject, path_arc=90 * DEG, **kwargs):
         super().__init__(Group(*mobjects), path_arc=path_arc, **kwargs)
 
     def create_target(self) -> Mobject:

manimlib/camera/camera_frame.py

@@ -6,7 +6,7 @@ import warnings
 import numpy as np
 from scipy.spatial.transform import Rotation
 
-from manimlib.constants import DEGREES, RADIANS
+from manimlib.constants import DEG, RADIANS
 from manimlib.constants import FRAME_SHAPE
 from manimlib.constants import DOWN, LEFT, ORIGIN, OUT, RIGHT, UP
 from manimlib.constants import PI
@@ -26,7 +26,7 @@ class CameraFrame(Mobject):
         frame_shape: tuple[float, float] = FRAME_SHAPE,
         center_point: Vect3 = ORIGIN,
         # Field of view in the y direction
-        fovy: float = 45 * DEGREES,
+        fovy: float = 45 * DEG,
         euler_axes: str = "zxz",
         # This keeps it ordered first in a scene
         z_index=-1,
@@ -181,7 +181,7 @@ class CameraFrame(Mobject):
         Shortcut for set_euler_angles, defaulting to taking
         in angles in degrees
         """
-        self.set_euler_angles(theta_degrees, phi_degrees, gamma_degrees, units=DEGREES)
+        self.set_euler_angles(theta_degrees, phi_degrees, gamma_degrees, units=DEG)
         if center is not None:
             self.move_to(np.array(center))
         if height is not None:
@@ -209,7 +209,7 @@ class CameraFrame(Mobject):
         self.increment_euler_angles(dgamma=dgamma, units=units)
         return self
 
-    def add_ambient_rotation(self, angular_speed=1 * DEGREES):
+    def add_ambient_rotation(self, angular_speed=1 * DEG):
         self.add_updater(lambda m, dt: m.increment_theta(angular_speed * dt))
         return self
 

manimlib/constants.py

@@ -61,9 +61,10 @@ RIGHT_SIDE: Vect3 = FRAME_X_RADIUS * RIGHT
 # Angles
 PI: float = np.pi
 TAU: float = 2 * PI
-DEGREES: float = TAU / 360
+DEG: float = TAU / 360
+DEGREES = DEG  # Many older animations use teh full name
 # Nice to have a constant for readability
-# when juxtaposed with expressions like 30 * DEGREES
+# when juxtaposed with expressions like 30 * DEG
 RADIANS: float = 1
 
 # Related to Text

manimlib/mobject/coordinate_systems.py

@@ -7,7 +7,7 @@ import numpy as np
 import itertools as it
 
 from manimlib.constants import BLACK, BLUE, BLUE_D, BLUE_E, GREEN, GREY_A, WHITE, RED
-from manimlib.constants import DEGREES, PI
+from manimlib.constants import DEG, PI
 from manimlib.constants import DL, UL, DOWN, DR, LEFT, ORIGIN, OUT, RIGHT, UP
 from manimlib.constants import FRAME_X_RADIUS, FRAME_Y_RADIUS
 from manimlib.constants import MED_SMALL_BUFF, SMALL_BUFF
@@ -307,7 +307,7 @@ class CoordinateSystem(ABC):
 
         point = self.input_to_graph_point(x, graph)
         angle = self.angle_of_tangent(x, graph)
-        normal = rotate_vector(RIGHT, angle + 90 * DEGREES)
+        normal = rotate_vector(RIGHT, angle + 90 * DEG)
         if normal[1] < 0:
             normal *= -1
         label.next_to(point, normal, buff=buff)
@@ -474,7 +474,7 @@ class Axes(VGroup, CoordinateSystem):
             ),
             length=height,
         )
-        self.y_axis.rotate(90 * DEGREES, about_point=ORIGIN)
+        self.y_axis.rotate(90 * DEG, about_point=ORIGIN)
         # Add as a separate group in case various other
         # mobjects are added to self, as for example in
         # NumberPlane below

manimlib/mobject/geometry.py

@@ -7,7 +7,7 @@ import numpy as np
 from manimlib.constants import DL, DOWN, DR, LEFT, ORIGIN, OUT, RIGHT, UL, UP, UR
 from manimlib.constants import GREY_A, RED, WHITE, BLACK
 from manimlib.constants import MED_SMALL_BUFF, SMALL_BUFF
-from manimlib.constants import DEGREES, PI, TAU
+from manimlib.constants import DEG, PI, TAU
 from manimlib.mobject.mobject import Mobject
 from manimlib.mobject.types.vectorized_mobject import DashedVMobject
 from manimlib.mobject.types.vectorized_mobject import VGroup
@@ -983,7 +983,7 @@ class RegularPolygon(Polygon):
     ):
         # Defaults to 0 for odd, 90 for even
         if start_angle is None:
-            start_angle = (n % 2) * 90 * DEGREES
+            start_angle = (n % 2) * 90 * DEG
         start_vect = rotate_vector(radius * RIGHT, start_angle)
         vertices = compass_directions(n, start_vect)
         super().__init__(*vertices, **kwargs)

manimlib/mobject/matrix.py

@@ -3,7 +3,7 @@ from __future__ import annotations
 import numpy as np
 
 from manimlib.constants import DOWN, LEFT, RIGHT, ORIGIN
-from manimlib.constants import DEGREES
+from manimlib.constants import DEG
 from manimlib.mobject.numbers import DecimalNumber
 from manimlib.mobject.svg.tex_mobject import Tex
 from manimlib.mobject.types.vectorized_mobject import VGroup
@@ -196,7 +196,7 @@ class Matrix(VMobject):
                 dots.set_width(hdots_width)
                 self.swap_entry_for_dots(row[col_index], dots)
         if use_vdots and use_hdots:
-            rows[row_index][col_index].rotate(-45 * DEGREES)
+            rows[row_index][col_index].rotate(-45 * DEG)
         return self
 
     def get_mob_matrix(self) -> VMobjectMatrixType:

manimlib/mobject/mobject_update_utils.py

@@ -2,7 +2,7 @@ from __future__ import annotations
 
 import inspect
 
-from manimlib.constants import DEGREES
+from manimlib.constants import DEG
 from manimlib.constants import RIGHT
 from manimlib.mobject.mobject import Mobject
 from manimlib.utils.simple_functions import clip
@@ -71,7 +71,7 @@ def always_shift(
 
 def always_rotate(
     mobject: Mobject,
-    rate: float = 20 * DEGREES,
+    rate: float = 20 * DEG,
     **kwargs
 ) -> Mobject:
     mobject.add_updater(

manimlib/mobject/types/vectorized_mobject.py

@@ -7,7 +7,7 @@ import numpy as np
 from manimlib.constants import GREY_A, GREY_C, GREY_E
 from manimlib.constants import BLACK
 from manimlib.constants import DEFAULT_STROKE_WIDTH
-from manimlib.constants import DEGREES
+from manimlib.constants import DEG
 from manimlib.constants import ORIGIN, OUT
 from manimlib.constants import PI
 from manimlib.constants import TAU
@@ -490,7 +490,7 @@ class VMobject(Mobject):
         v1 = handle1 - last
         v2 = anchor - handle2
         angle = angle_between_vectors(v1, v2)
-        if self.use_simple_quadratic_approx and angle < 45 * DEGREES:
+        if self.use_simple_quadratic_approx and angle < 45 * DEG:
             quad_approx = [last, find_intersection(last, v1, anchor, -v2), anchor]
         else:
             quad_approx = get_quadratic_approximation_of_cubic(
@@ -616,7 +616,7 @@ class VMobject(Mobject):
 
     def subdivide_sharp_curves(
         self,
-        angle_threshold: float = 30 * DEGREES,
+        angle_threshold: float = 30 * DEG,
         recurse: bool = True
     ) -> Self:
         def tuple_to_subdivisions(b0, b1, b2):
@@ -656,7 +656,7 @@ class VMobject(Mobject):
         self.make_smooth(approx=approx)
         return self
 
-    def is_smooth(self, angle_tol=1 * DEGREES) -> bool:
+    def is_smooth(self, angle_tol=1 * DEG) -> bool:
         angles = np.abs(self.get_joint_angles()[0::2])
         return (angles < angle_tol).all()
 

manimlib/scene/interactive_scene.py

@@ -11,7 +11,7 @@ from manimlib.config import manim_config
 from manimlib.constants import DL, DOWN, DR, LEFT, ORIGIN, RIGHT, UL, UP, UR
 from manimlib.constants import FRAME_WIDTH, FRAME_HEIGHT, SMALL_BUFF
 from manimlib.constants import PI
-from manimlib.constants import DEGREES
+from manimlib.constants import DEG
 from manimlib.constants import MANIM_COLORS, WHITE, GREY_A, GREY_C
 from manimlib.mobject.geometry import Line
 from manimlib.mobject.geometry import Rectangle
@@ -625,7 +625,7 @@ class InteractiveScene(Scene):
         angles = frame.get_euler_angles()
 
         call = f"reorient("
-        theta, phi, gamma = (angles / DEGREES).astype(int)
+        theta, phi, gamma = (angles / DEG).astype(int)
         call += f"{theta}, {phi}, {gamma}"
         if any(center != 0):
             call += f", {tuple(np.round(center, 2))}"