mirror of
https://github.com/3b1b/manim.git
synced 2025-11-13 12:37:50 +00:00
e5298385ed
* Bug fix for TransformMatchingStrings with incompatible lengths * Change faded line in NumberPlane initialization to be more explicit, and lower opacity * Add option hide_zero_components_on_complex to DecimalNumber * Validate syntax before reloading * Add remembered stroke_config to TracedPath * Add CLAUDE.md to gitignore * Move pre-calculated traced points to TracingTail * Fix interplay between time_span and alpha in Animation * Clearer init for points in TracingTail * Fix CoordinateSystem.get_area_under_graph * Allow ComplexPlane.n2p to take in array of complex numbers * Add put_start_on and put_end_on * Add Slider * Add \minus option for Tex to give shorter negative sign * Put interp_by_hsl option in various color interpretation functions * Swap priority of matched_keys vs key_map is TransformMatchingStrings * Have z-index apply recursively * Set self.svg_string property for SVGMobject * Fix num_decimal_places config in Tex.make_number_changeable * Add Surface. color_by_uv_function * Add VMobject. set_color_by_proportion * Add \mathcal to tex_to_symbol_count
67 lines
2 KiB
Python
67 lines
2 KiB
Python
from __future__ import annotations
|
|
|
|
from manimlib.animation.animation import Animation
|
|
|
|
from typing import TYPE_CHECKING
|
|
|
|
if TYPE_CHECKING:
|
|
from typing import Callable
|
|
|
|
from manimlib.mobject.mobject import Mobject
|
|
|
|
|
|
class UpdateFromFunc(Animation):
|
|
"""
|
|
update_function of the form func(mobject), presumably
|
|
to be used when the state of one mobject is dependent
|
|
on another simultaneously animated mobject
|
|
"""
|
|
def __init__(
|
|
self,
|
|
mobject: Mobject,
|
|
update_function: Callable[[Mobject], Mobject | None],
|
|
suspend_mobject_updating: bool = False,
|
|
**kwargs
|
|
):
|
|
self.update_function = update_function
|
|
super().__init__(
|
|
mobject,
|
|
suspend_mobject_updating=suspend_mobject_updating,
|
|
**kwargs
|
|
)
|
|
|
|
def interpolate_mobject(self, alpha: float) -> None:
|
|
self.update_function(self.mobject)
|
|
|
|
|
|
class UpdateFromAlphaFunc(Animation):
|
|
def __init__(
|
|
self,
|
|
mobject: Mobject,
|
|
update_function: Callable[[Mobject, float], Mobject | None],
|
|
suspend_mobject_updating: bool = False,
|
|
**kwargs
|
|
):
|
|
self.update_function = update_function
|
|
super().__init__(mobject, suspend_mobject_updating=suspend_mobject_updating, **kwargs)
|
|
|
|
def interpolate_mobject(self, alpha: float) -> None:
|
|
true_alpha = self.rate_func(self.time_spanned_alpha(alpha))
|
|
self.update_function(self.mobject, true_alpha)
|
|
|
|
|
|
class MaintainPositionRelativeTo(Animation):
|
|
def __init__(
|
|
self,
|
|
mobject: Mobject,
|
|
tracked_mobject: Mobject,
|
|
**kwargs
|
|
):
|
|
self.tracked_mobject = tracked_mobject
|
|
self.diff = mobject.get_center() - tracked_mobject.get_center()
|
|
super().__init__(mobject, **kwargs)
|
|
|
|
def interpolate_mobject(self, alpha: float) -> None:
|
|
target = self.tracked_mobject.get_center()
|
|
location = self.mobject.get_center()
|
|
self.mobject.shift(target - location + self.diff)
|