Cleaning up some imports + Minor Bug fixed in VectorField (#2253)

* cleaning up imports

* sample_points -> sample_coords

manimlib/animation/animation.py

@@ -6,7 +6,6 @@ from manimlib.mobject.mobject import _AnimationBuilder
 from manimlib.mobject.mobject import Mobject
 from manimlib.utils.iterables import remove_list_redundancies
 from manimlib.utils.rate_functions import smooth
-from manimlib.utils.rate_functions import squish_rate_func
 from manimlib.utils.simple_functions import clip
 
 from typing import TYPE_CHECKING

manimlib/animation/composition.py

@@ -1,7 +1,5 @@
 from __future__ import annotations
 
-import numpy as np
-
 from manimlib.animation.animation import Animation
 from manimlib.animation.animation import prepare_animation
 from manimlib.mobject.mobject import _AnimationBuilder

manimlib/animation/creation.py

@@ -5,7 +5,6 @@ from abc import ABC, abstractmethod
 import numpy as np
 
 from manimlib.animation.animation import Animation
-from manimlib.constants import WHITE
 from manimlib.mobject.svg.string_mobject import StringMobject
 from manimlib.mobject.types.vectorized_mobject import VMobject
 from manimlib.utils.bezier import integer_interpolate

manimlib/animation/fading.py

@@ -5,9 +5,7 @@ import numpy as np
 from manimlib.animation.animation import Animation
 from manimlib.animation.transform import Transform
 from manimlib.constants import ORIGIN
-from manimlib.mobject.mobject import Group
 from manimlib.mobject.types.vectorized_mobject import VMobject
-from manimlib.mobject.types.vectorized_mobject import VGroup
 from manimlib.utils.bezier import interpolate
 from manimlib.utils.rate_functions import there_and_back
 

manimlib/animation/growing.py

@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 from manimlib.animation.transform import Transform
-from manimlib.constants import PI
 
 from typing import TYPE_CHECKING
 

manimlib/animation/indication.py

@@ -1,7 +1,5 @@
 from __future__ import annotations
 
-import math
-from os import remove
 import numpy as np
 
 from manimlib.animation.animation import Animation

manimlib/camera/camera_frame.py

@@ -5,7 +5,6 @@ import warnings
 
 import numpy as np
 from scipy.spatial.transform import Rotation
-from pyrr import Matrix44
 
 from manimlib.constants import DEGREES, RADIANS
 from manimlib.constants import FRAME_SHAPE

manimlib/mobject/frame.py

@@ -37,6 +37,7 @@ class FullScreenRectangle(ScreenRectangle):
             fill_color=fill_color,
             fill_opacity=fill_opacity,
             stroke_width=stroke_width,
+            **kwargs
         )
 
 

manimlib/mobject/geometry.py

@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import math
-import numbers
 
 import numpy as np
 
@@ -13,9 +12,7 @@ from manimlib.mobject.mobject import Mobject
 from manimlib.mobject.types.vectorized_mobject import DashedVMobject
 from manimlib.mobject.types.vectorized_mobject import VGroup
 from manimlib.mobject.types.vectorized_mobject import VMobject
-from manimlib.utils.bezier import bezier
 from manimlib.utils.bezier import quadratic_bezier_points_for_arc
-from manimlib.utils.bezier import partial_quadratic_bezier_points
 from manimlib.utils.iterables import adjacent_n_tuples
 from manimlib.utils.iterables import adjacent_pairs
 from manimlib.utils.simple_functions import clip
@@ -30,7 +27,6 @@ from manimlib.utils.space_ops import normalize
 from manimlib.utils.space_ops import rotate_vector
 from manimlib.utils.space_ops import rotation_matrix_transpose
 from manimlib.utils.space_ops import rotation_between_vectors
-from manimlib.utils.space_ops import rotation_about_z
 
 from typing import TYPE_CHECKING
 

manimlib/mobject/matrix.py

@@ -1,7 +1,5 @@
 from __future__ import annotations
 
-import itertools as it
-
 import numpy as np
 
 from manimlib.constants import DOWN, LEFT, RIGHT, ORIGIN
@@ -14,7 +12,7 @@ from manimlib.mobject.types.vectorized_mobject import VMobject
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
-    from typing import Sequence, Union, Tuple, Optional
+    from typing import Sequence, Union, Optional
     from manimlib.typing import ManimColor, Vect3, VectNArray, Self
 
     StringMatrixType = Union[Sequence[Sequence[str]], np.ndarray[int, np.dtype[np.str_]]]

manimlib/mobject/numbers.py

@@ -14,7 +14,8 @@ from manimlib.utils.bezier import interpolate
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
-    from typing import TypeVar
+    from typing import TypeVar, Callable
+    from manimlib.mobject.mobject import Mobject
     from manimlib.typing import ManimColor, Vect3, Self
 
     T = TypeVar("T", bound=VMobject)

manimlib/mobject/svg/brace.py

@@ -6,7 +6,7 @@ import copy
 import numpy as np
 
 from manimlib.constants import DEFAULT_MOBJECT_TO_MOBJECT_BUFFER, SMALL_BUFF
-from manimlib.constants import DOWN, LEFT, ORIGIN, RIGHT, UP, DL, DR, UL
+from manimlib.constants import DOWN, LEFT, ORIGIN, RIGHT, DL, DR, UL
 from manimlib.constants import PI
 from manimlib.animation.composition import AnimationGroup
 from manimlib.animation.fading import FadeIn

manimlib/mobject/svg/drawings.py

@@ -25,7 +25,6 @@ from manimlib.constants import LEFT
 from manimlib.constants import LEFT
 from manimlib.constants import MED_LARGE_BUFF
 from manimlib.constants import MED_SMALL_BUFF
-from manimlib.constants import LARGE_BUFF
 from manimlib.constants import ORIGIN
 from manimlib.constants import OUT
 from manimlib.constants import PI
@@ -52,12 +51,9 @@ from manimlib.mobject.geometry import Polygon
 from manimlib.mobject.geometry import Rectangle
 from manimlib.mobject.geometry import Square
 from manimlib.mobject.geometry import AnnularSector
-from manimlib.mobject.mobject import Mobject
 from manimlib.mobject.numbers import Integer
 from manimlib.mobject.shape_matchers import SurroundingRectangle
 from manimlib.mobject.svg.svg_mobject import SVGMobject
-from manimlib.mobject.svg.tex_mobject import Tex
-from manimlib.mobject.svg.tex_mobject import TexText
 from manimlib.mobject.svg.special_tex import TexTextFromPresetString
 from manimlib.mobject.three_dimensions import Prismify
 from manimlib.mobject.three_dimensions import VCube
@@ -421,7 +417,7 @@ class Bubble(VGroup):
         super().flip(axis=axis, **kwargs)
         if only_body:
             # Flip in place, don't use kwargs
-            self.content.flip(axis=axis)  
+            self.content.flip(axis=axis)
         if abs(axis[1]) > 0:
             self.direction = -np.array(self.direction)
         return self

manimlib/mobject/svg/svg_mobject.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import os
 from xml.etree import ElementTree as ET
 
 import numpy as np
@@ -16,14 +15,11 @@ from manimlib.mobject.geometry import Polyline
 from manimlib.mobject.geometry import Rectangle
 from manimlib.mobject.geometry import RoundedRectangle
 from manimlib.mobject.types.vectorized_mobject import VMobject
-from manimlib.utils.directories import get_mobject_data_dir
 from manimlib.utils.images import get_full_vector_image_path
 from manimlib.utils.iterables import hash_obj
-from manimlib.utils.simple_functions import hash_string
 
 from typing import TYPE_CHECKING
 if TYPE_CHECKING:
-    from typing import Tuple
     from manimlib.typing import ManimColor, Vect3Array
 
 

manimlib/mobject/svg/tex_mobject.py

@@ -14,7 +14,7 @@ from manimlib.logger import log
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
-    from manimlib.typing import ManimColor, Span, Selector
+    from manimlib.typing import ManimColor, Span, Selector, Self
 
 
 SCALE_FACTOR_PER_FONT_POINT = 0.001

manimlib/mobject/vector_field.py

@@ -6,28 +6,23 @@ import numpy as np
 from scipy.integrate import solve_ivp
 
 from manimlib.constants import FRAME_HEIGHT, FRAME_WIDTH
-from manimlib.constants import BLUE, WHITE
-from manimlib.constants import ORIGIN
+from manimlib.constants import WHITE
 from manimlib.animation.indication import VShowPassingFlash
-from manimlib.mobject.geometry import Arrow
 from manimlib.mobject.types.vectorized_mobject import VGroup
 from manimlib.mobject.types.vectorized_mobject import VMobject
 from manimlib.utils.bezier import interpolate
 from manimlib.utils.bezier import inverse_interpolate
 from manimlib.utils.color import get_colormap_list
-from manimlib.utils.color import rgb_to_color
 from manimlib.utils.color import get_color_map
-from manimlib.utils.dict_ops import merge_dicts_recursively
 from manimlib.utils.iterables import cartesian_product
 from manimlib.utils.rate_functions import linear
-from manimlib.utils.simple_functions import sigmoid
 from manimlib.utils.space_ops import get_norm
 
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
-    from typing import Callable, Iterable, Sequence, TypeVar, Tuple
-    from manimlib.typing import ManimColor, Vect3, VectN, Vect2Array, Vect3Array, Vect4Array
+    from typing import Callable, Iterable, Sequence, TypeVar, Tuple, Optional
+    from manimlib.typing import ManimColor, Vect3, VectN, VectArray, Vect3Array, Vect4Array
 
     from manimlib.mobject.coordinate_systems import CoordinateSystem
     from manimlib.mobject.mobject import Mobject
@@ -113,8 +108,8 @@ def move_points_along_vector_field(
     cs = coordinate_system
     origin = cs.get_origin()
 
-    def apply_nudge(self, dt):
-        mobject.apply_function(
+    def apply_nudge(mob, dt):
+        mob.apply_function(
             lambda p: p + (cs.c2p(*func(*cs.p2c(p))) - origin) * dt
         )
     mobject.add_updater(apply_nudge)
@@ -133,7 +128,7 @@ def get_sample_coords(
     return np.array(list(it.product(*ranges)))
 
 
-def vectorize(pointwise_function: Callable[Tuple, Tuple]):
+def vectorize(pointwise_function: Callable[[Tuple], Tuple]):
     def v_func(coords_array: VectArray) -> VectArray:
         return np.array([pointwise_function(*coords) for coords in coords_array])
 
@@ -237,7 +232,7 @@ class VectorField(VMobject):
         arr[7::8] = 0
         self.base_stroke_width_array = arr
 
-    def set_sample_coords(self, sample_points: VectArray):
+    def set_sample_coords(self, sample_coords: VectArray):
         self.sample_coords = sample_coords
         return self
 

manimlib/scene/interactive_scene.py

@@ -27,7 +27,6 @@ from manimlib.mobject.types.vectorized_mobject import VHighlight
 from manimlib.mobject.types.vectorized_mobject import VMobject
 from manimlib.scene.scene import Scene
 from manimlib.scene.scene import SceneState
-from manimlib.scene.scene import PAN_3D_KEY
 from manimlib.utils.family_ops import extract_mobject_family_members
 from manimlib.utils.space_ops import get_norm
 from manimlib.utils.tex_file_writing import LatexError

manimlib/shader_wrapper.py

@@ -11,7 +11,6 @@ from functools import lru_cache
 
 from manimlib.config import parse_cli
 from manimlib.config import get_configuration
-from manimlib.utils.iterables import resize_array
 from manimlib.utils.shaders import get_shader_code_from_file
 from manimlib.utils.shaders import get_shader_program
 from manimlib.utils.shaders import image_path_to_texture
@@ -20,8 +19,10 @@ from manimlib.utils.shaders import set_program_uniform
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
-    from typing import List, Optional, Dict
+    from typing import Optional, Tuple, Iterable
     from manimlib.typing import UniformDict
+    from moderngl.vertex_array import VertexArray
+    from moderngl.framebuffer import Framebuffer
 
 # Mobjects that should be rendered with
 # the same shader will be organized and

manimlib/typing.py

@@ -1,11 +1,11 @@
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
-    from typing import Union, Tuple, Annotated, Literal, Iterable
+    from typing import Union, Tuple, Annotated, Literal, Iterable, Dict
     from colour import Color
     import numpy as np
     import re
-    
+
     try:
         from typing import Self
     except ImportError:
@@ -28,7 +28,7 @@ if TYPE_CHECKING:
 
     # These are various alternate names for np.ndarray meant to specify
     # certain shapes.
-    # 
+    #
     # In theory, these annotations could be used to check arrays sizes
     # at runtime, but at the moment nothing actually uses them, and
     # the names are here primarily to enhance readibility and allow
@@ -40,6 +40,7 @@ if TYPE_CHECKING:
     Vect4 = Annotated[FloatArray, Literal[4]]
     VectN = Annotated[FloatArray, Literal["N"]]
     Matrix3x3 = Annotated[FloatArray, Literal[3, 3]]
+    VectArray = Annotated[FloatArray, Literal["N", 1]]
     Vect2Array = Annotated[FloatArray, Literal["N", 2]]
     Vect3Array = Annotated[FloatArray, Literal["N", 3]]
     Vect4Array = Annotated[FloatArray, Literal["N", 4]]

manimlib/utils/shaders.py

@@ -13,10 +13,7 @@ from manimlib.utils.file_ops import find_file
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
-    from typing import Sequence, Optional, Tuple
-    from manimlib.typing import UniformDict
-    from moderngl.vertex_array import VertexArray
-    from moderngl.framebuffer import Framebuffer
+    from typing import Sequence, Optional
 
 
 # Global maps to reflect uniform status

manimlib/window.py

@@ -14,8 +14,11 @@ from manimlib.utils.customization import get_customization
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
+    from typing import Callable, TypeVar
     from manimlib.scene.scene import Scene
 
+    T = TypeVar("T")
+
 
 class Window(PygletWindow):
     fullscreen: bool = False