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Jérome Eertmans 802f6406ae refactor(lib): change how manim API is imported (#285)
* refactor(lib): change how manim API is imported

* chore(lib): delete old files

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* fix(ci): set type

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-10-17 16:06:19 +02:00

129 lines
3.8 KiB
Python

from pathlib import Path
from typing import Any, List, Optional, Tuple
from manim import Scene, ThreeDScene, config
from .base import BaseSlide
class Slide(BaseSlide, Scene): # type: ignore[misc]
"""Inherits from :class:`Scene<manim.scene.scene.Scene>` and provide necessary tools
for slides rendering."""
@property
def _ffmpeg_bin(self) -> Path:
# Prior to v0.16.0.post0,
# ffmpeg was stored as a constant in manim.constants
try:
return Path(config.ffmpeg_executable)
except AttributeError:
return super()._ffmpeg_bin
@property
def _frame_height(self) -> float:
return config["frame_height"] # type: ignore
@property
def _frame_width(self) -> float:
return config["frame_width"] # type: ignore
@property
def _background_color(self) -> str:
color = config["background_color"]
if hex_color := getattr(color, "hex", None):
return hex_color # type: ignore
else: # manim>=0.18, see https://github.com/ManimCommunity/manim/pull/3020
return color.to_hex() # type: ignore
@property
def _resolution(self) -> Tuple[int, int]:
return config["pixel_width"], config["pixel_height"]
@property
def _partial_movie_files(self) -> List[Path]:
# When rendering with -na,b (manim only)
# the animations not in [a,b] will be skipped,
# but animation before a will have a None source file.
return [
Path(file)
for file in self.renderer.file_writer.partial_movie_files
if file is not None
]
@property
def _show_progress_bar(self) -> bool:
return config["progress_bar"] != "none" # type: ignore
@property
def _leave_progress_bar(self) -> bool:
return config["progress_bar"] == "leave" # type: ignore
@property
def _start_at_animation_number(self) -> Optional[int]:
return config["from_animation_number"] # type: ignore
def render(self, *args: Any, **kwargs: Any) -> None:
"""MANIM render."""
# We need to disable the caching limit since we rely on intermediate files
max_files_cached = config["max_files_cached"]
config["max_files_cached"] = float("inf")
super().render(*args, **kwargs)
config["max_files_cached"] = max_files_cached
self._save_slides()
class ThreeDSlide(Slide, ThreeDScene): # type: ignore[misc]
"""
Inherits from :class:`Slide` and
:class:`ThreeDScene<manim.scene.three_d_scene.ThreeDScene>` and provide necessary
tools for slides rendering.
Examples
--------
.. manim-slides:: ThreeDExample
from manim import *
from manim_slides import ThreeDSlide
class ThreeDExample(ThreeDSlide):
def construct(self):
title = Text("A 2D Text")
self.play(FadeIn(title))
self.next_slide()
sphere = Sphere([0, 0, -3])
self.move_camera(phi=PI/3, theta=-PI/4, distance=7)
self.play(
GrowFromCenter(sphere),
Transform(title, Text("A 3D Text"))
)
self.next_slide()
bye = Text("Bye!")
self.start_loop()
self.wipe(
self.mobjects_without_canvas,
[bye],
direction=UP
)
self.wait(.5)
self.wipe(
self.mobjects_without_canvas,
[title, sphere],
direction=DOWN
)
self.wait(.5)
self.end_loop()
self.play(*[FadeOut(mobject) for mobject in self.mobjects])
"""
pass