mirror of
https://github.com/jeertmans/manim-slides.git
synced 2025-05-20 12:05:56 +08:00
151 lines
4.3 KiB
Python
151 lines
4.3 KiB
Python
from pathlib import Path
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from typing import Any, List, Optional, Tuple
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from manim import Scene, ThreeDScene, config
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from ..config import BaseSlideConfig
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from .base import BaseSlide
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class Slide(BaseSlide, Scene): # type: ignore[misc]
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"""
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Inherits from :class:`Scene<manim.scene.scene.Scene>` and provide necessary tools
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for slides rendering.
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"""
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@property
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def _frame_height(self) -> float:
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return config["frame_height"] # type: ignore
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@property
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def _frame_width(self) -> float:
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return config["frame_width"] # type: ignore
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@property
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def _background_color(self) -> str:
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color = self.camera.background_color
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if hex_color := getattr(color, "hex", None):
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return hex_color # type: ignore
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else: # manim>=0.18, see https://github.com/ManimCommunity/manim/pull/3020
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return color.to_hex() # type: ignore
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@property
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def _resolution(self) -> Tuple[int, int]:
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return config["pixel_width"], config["pixel_height"]
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@property
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def _partial_movie_files(self) -> List[Path]:
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# When rendering with -na,b (manim only)
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# the animations not in [a,b] will be skipped,
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# but animation before a will have a None source file.
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return [
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Path(file)
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for file in self.renderer.file_writer.partial_movie_files
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if file is not None
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]
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@property
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def _show_progress_bar(self) -> bool:
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return config["progress_bar"] != "none" # type: ignore
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@property
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def _leave_progress_bar(self) -> bool:
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return config["progress_bar"] == "leave" # type: ignore
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@property
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def _start_at_animation_number(self) -> Optional[int]:
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return config["from_animation_number"] # type: ignore
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def next_section(self, *args: Any, **kwargs: Any) -> None:
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"""
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Alias to :meth:`next_slide`.
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:param args:
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Positional arguments to be passed to :meth:`next_slide`.
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:param kwargs:
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Keyword arguments to be passed to :meth:`next_slide`.
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.. attention::
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This method is only available when using ``manim`` API.
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"""
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self.next_slide(*args, **kwargs)
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@BaseSlideConfig.wrapper("base_slide_config")
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def next_slide(
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self,
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*args: Any,
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base_slide_config: BaseSlideConfig,
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**kwargs: Any,
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) -> None:
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Scene.next_section(self, *args, **kwargs)
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BaseSlide.next_slide.__wrapped__(
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self,
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base_slide_config=base_slide_config,
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)
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def render(self, *args: Any, **kwargs: Any) -> None:
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"""MANIM render."""
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# We need to disable the caching limit since we rely on intermediate files
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max_files_cached = config["max_files_cached"]
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config["max_files_cached"] = float("inf")
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super().render(*args, **kwargs)
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config["max_files_cached"] = max_files_cached
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self._save_slides()
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class ThreeDSlide(Slide, ThreeDScene): # type: ignore[misc]
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"""
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Inherits from :class:`Slide` and
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:class:`ThreeDScene<manim.scene.three_d_scene.ThreeDScene>` and provide necessary
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tools for slides rendering.
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Examples
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--------
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.. manim-slides:: ThreeDExample
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from manim import *
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from manim_slides import ThreeDSlide
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class ThreeDExample(ThreeDSlide):
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def construct(self):
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title = Text("A 2D Text")
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self.play(FadeIn(title))
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self.next_slide()
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sphere = Sphere([0, 0, -3])
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self.move_camera(phi=PI/3, theta=-PI/4, distance=7)
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self.play(
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GrowFromCenter(sphere),
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Transform(title, Text("A 3D Text"))
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)
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self.next_slide()
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bye = Text("Bye!")
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self.next_slide(loop=True)
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self.wipe(
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self.mobjects_without_canvas,
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[bye],
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direction=UP
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)
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self.wait(.5)
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self.wipe(
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self.mobjects_without_canvas,
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[title, sphere],
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direction=DOWN
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)
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self.wait(.5)
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self.next_slide()
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self.play(*[FadeOut(mobject) for mobject in self.mobjects])
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"""
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pass
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