Kill config in creation.py

This commit is contained in:
Grant Sanderson 2022-12-14 10:58:35 -08:00
parent 958002152e
commit 187de0163f

View file

@ -5,11 +5,10 @@ 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 VGroup
from manimlib.mobject.types.vectorized_mobject import VMobject
from manimlib.utils.bezier import integer_interpolate
from manimlib.utils.config_ops import digest_config
from manimlib.utils.rate_functions import linear
from manimlib.utils.rate_functions import double_smooth
from manimlib.utils.rate_functions import smooth
@ -18,15 +17,17 @@ from typing import TYPE_CHECKING
if TYPE_CHECKING:
from manimlib.mobject.mobject import Mobject
from manimlib.scene.scene import Scene
from manimlib.constants import ManimColor
class ShowPartial(Animation, ABC):
"""
Abstract class for ShowCreation and ShowPassingFlash
"""
CONFIG = {
"should_match_start": False,
}
def __init__(self, mobject: Mobject, should_match_start: bool = False, **kwargs):
self.should_match_start = should_match_start
super().__init__(mobject, **kwargs)
def begin(self) -> None:
super().begin()
@ -53,39 +54,56 @@ class ShowPartial(Animation, ABC):
class ShowCreation(ShowPartial):
CONFIG = {
"lag_ratio": 1,
}
def __init__(self, mobject: Mobject, lag_ratio: float = 1.0, **kwargs):
super().__init__(mobject, lag_ratio=lag_ratio, **kwargs)
def get_bounds(self, alpha: float) -> tuple[float, float]:
return (0, alpha)
class Uncreate(ShowCreation):
CONFIG = {
"rate_func": lambda t: smooth(1 - t),
"remover": True,
"should_match_start": True,
}
def __init__(
self,
mobject: Mobject,
rate_func: Callable[[float], float] = lambda t: smooth(1 - t),
remover: bool = True,
should_match_start: bool = True,
**kwargs,
):
super().__init__(
mobject,
rate_func=rate_func,
remover=remover,
should_match_start=should_match_start,
**kwargs,
)
class DrawBorderThenFill(Animation):
CONFIG = {
"run_time": 2,
"rate_func": double_smooth,
"stroke_width": 2,
"stroke_color": None,
"draw_border_animation_config": {},
"fill_animation_config": {},
}
def __init__(self, vmobject: VMobject, **kwargs):
def __init__(
self,
vmobject: VMobject,
run_time: float = 2.0,
rate_func: Callable[[float], float] = double_smooth,
stroke_width: float = 2.0,
stroke_color: ManimColor = None,
draw_border_animation_config: dict = {},
fill_animation_config: dict = {},
**kwargs
):
assert(isinstance(vmobject, VMobject))
self.sm_to_index = dict([
(hash(sm), 0)
for sm in vmobject.get_family()
])
super().__init__(vmobject, **kwargs)
self.sm_to_index = {hash(sm): 0 for sm in vmobject.get_family()}
self.stroke_width = stroke_width
self.stroke_color = stroke_color
self.draw_border_animation_config = draw_border_animation_config
self.fill_animation_config = fill_animation_config
super().__init__(
vmobject,
run_time=run_time,
rate_func=rate_func,
**kwargs
)
self.mobject = vmobject
def begin(self) -> None:
# Trigger triangulation calculation
@ -104,21 +122,14 @@ class DrawBorderThenFill(Animation):
def get_outline(self) -> VMobject:
outline = self.mobject.copy()
outline.set_fill(opacity=0)
for sm in outline.get_family():
for sm in outline.family_members_with_points():
sm.set_stroke(
color=self.get_stroke_color(sm),
width=float(self.stroke_width)
color=self.stroke_color or sm.get_stroke_color(),
width=self.stroke_width,
)
return outline
def get_stroke_color(self, vmobject: VMobject) -> str:
if self.stroke_color:
return self.stroke_color
elif vmobject.get_stroke_width() > 0:
return vmobject.get_stroke_color()
return vmobject.get_color()
def get_all_mobjects(self) -> list[VMobject]:
def get_all_mobjects(self) -> list[Mobject]:
return [*super().get_all_mobjects(), self.outline]
def interpolate_submobject(
@ -146,39 +157,51 @@ class DrawBorderThenFill(Animation):
class Write(DrawBorderThenFill):
CONFIG = {
# To be figured out in
# set_default_config_from_lengths
"run_time": None,
"lag_ratio": None,
"rate_func": linear,
}
def __init__(
self,
vmobject: VMobject,
run_time: float = -1, # If negative, this will be reassigned
lag_ratio: float = -1, # If negative, this will be reassigned
rate_func: Callable[[float], float] = linear,
stroke_color: ManimColor = WHITE,
**kwargs
):
family_size = len(vmobject.family_members_with_points())
super().__init__(
vmobject,
run_time=self.compute_run_time(family_size, run_time),
lag_ratio=self.compute_lag_ratio(family_size, lag_ratio),
rate_func=rate_func,
stroke_color=stroke_color,
**kwargs
)
def __init__(self, vmobject: VMobject, **kwargs):
digest_config(self, kwargs)
self.set_default_config_from_length(vmobject)
super().__init__(vmobject, **kwargs)
def compute_run_time(self, family_size: int, run_time: float):
if run_time < 0:
return 1 if family_size < 15 else 2
return run_time
def set_default_config_from_length(self, vmobject: VMobject) -> None:
length = len(vmobject.family_members_with_points())
if self.run_time is None:
if length < 15:
self.run_time = 1
else:
self.run_time = 2
if self.lag_ratio is None:
self.lag_ratio = min(4.0 / (length + 1.0), 0.2)
def compute_lag_ratio(self, family_size: int, lag_ratio: float):
if lag_ratio < 0:
return min(4.0 / (family_size + 1.0), 0.2)
return lag_ratio
class ShowIncreasingSubsets(Animation):
CONFIG = {
"suspend_mobject_updating": False,
"int_func": np.round,
}
def __init__(self, group: Mobject, **kwargs):
def __init__(
self,
group: Mobject,
int_func: Callable[[float], float] = np.round,
suspend_mobject_updating: bool = False,
**kwargs
):
self.all_submobs = list(group.submobjects)
super().__init__(group, **kwargs)
self.int_func = int_func
super().__init__(
group,
suspend_mobject_updating=suspend_mobject_updating,
**kwargs
)
def interpolate_mobject(self, alpha: float) -> None:
n_submobs = len(self.all_submobs)
@ -190,9 +213,13 @@ class ShowIncreasingSubsets(Animation):
class ShowSubmobjectsOneByOne(ShowIncreasingSubsets):
CONFIG = {
"int_func": np.ceil,
}
def __init__(
self,
group: Mobject,
int_func: Callable[[float], float] = np.ceil,
**kwargs
):
super().__init__(group, int_func=int_func, **kwargs)
def update_submobject_list(self, index: int) -> None:
# N = len(self.all_submobs)
@ -203,18 +230,27 @@ class ShowSubmobjectsOneByOne(ShowIncreasingSubsets):
class AddTextWordByWord(ShowIncreasingSubsets):
CONFIG = {
# If given a value for run_time, it will
# override the time_per_word
"run_time": None,
"time_per_word": 0.2,
"rate_func": linear,
}
def __init__(self, string_mobject, **kwargs):
def __init__(
self,
string_mobject: StringMobject,
time_per_word: float = 0.2,
run_time: float = -1.0, # If negative, it will be recomputed with time_per_word
rate_func: Callable[[float], float] = linear,
**kwargs
):
assert isinstance(string_mobject, StringMobject)
grouped_mobject = string_mobject.build_groups()
digest_config(self, kwargs)
if self.run_time is None:
self.run_time = self.time_per_word * len(grouped_mobject)
super().__init__(grouped_mobject, **kwargs)
if run_time < 0:
run_time = time_per_word * len(grouped_mobject)
super().__init__(
grouped_mobject,
run_time=run_time,
rate_func=rate_func,
**kwargs
)
self.string_mobject = string_mobject
def clean_up_from_scene(self, scene: Scene) -> None:
scene.remove(self.mobject)
if not self.is_remover():
scene.add(self.string_mobject)