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Allow FadeTransform to group parts as VGroup if applicable

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This commit is contained in:
Grant Sanderson 2022-12-30 13:53:32 -08:00
parent cec43dfe51
commit 96bc95ef38
1 changed files with 7 additions and 2 deletions
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9
manimlib/animation/fading.py
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@ -6,6 +6,8 @@ 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
@ -14,7 +16,6 @@ from typing import TYPE_CHECKING
if TYPE_CHECKING:
from typing import Callable
from manimlib.mobject.mobject import Mobject
from manimlib.mobject.types.vectorized_mobject import VMobject
from manimlib.scene.scene import Scene
from manimlib.typing import Vect3
@ -102,8 +103,12 @@ class FadeTransform(Transform):
self.stretch = stretch
self.dim_to_match = dim_to_match
group_type = Group
if isinstance(mobject, VMobject) and isinstance(target_mobject, VMobject):
group_type = VGroup
mobject.save_state()
super().__init__(Group(mobject, target_mobject.copy()), **kwargs)
super().__init__(group_type(mobject, target_mobject.copy()), **kwargs)
def begin(self) -> None:
self.ending_mobject = self.mobject.copy()