mirror of
https://github.com/jeertmans/manim-slides.git
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5b9cb1523c
* chore(ci): pre-commit mypy * chore: ignore non-lib files * chore: ignore setup.py * [pre-commit.ci] pre-commit autoupdate (#47) updates: - [github.com/psf/black: 22.8.0 → 22.10.0](https://github.com/psf/black/compare/22.8.0...22.10.0) - [github.com/psf/black: 22.8.0 → 22.10.0](https://github.com/psf/black/compare/22.8.0...22.10.0) Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> * chore(ci): pre-commit mypy * chore: ignore non-lib files * chore: ignore setup.py * fix: update pre-commit config for mypy * feat: add some missing type hints Co-authored-by: Jérome Eertmans <jeertmans@icloud.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
130 lines
3.6 KiB
Python
130 lines
3.6 KiB
Python
# flake8: noqa: F403, F405
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# type: ignore
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import sys
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if "manim" in sys.modules:
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from manim import *
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MANIMGL = False
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elif "manimlib" in sys.modules:
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from manimlib import *
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MANIMGL = True
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else:
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raise ImportError("This script must be run with either `manim` or `manimgl`")
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from manim_slides import Slide, ThreeDSlide
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class Example(Slide):
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def construct(self):
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circle = Circle(radius=3, color=BLUE)
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dot = Dot()
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self.play(GrowFromCenter(circle))
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self.pause()
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self.start_loop()
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self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
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self.end_loop()
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self.play(dot.animate.move_to(ORIGIN))
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self.pause()
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self.play(dot.animate.move_to(RIGHT * 3))
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self.pause()
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self.start_loop()
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self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
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self.end_loop()
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# Each slide MUST end with an animation (a self.wait is considered an animation)
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self.play(dot.animate.move_to(ORIGIN))
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# For ThreeDExample, things are different
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if not MANIMGL:
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class ThreeDExample(ThreeDSlide):
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def construct(self):
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axes = ThreeDAxes()
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circle = Circle(radius=3, color=BLUE)
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dot = Dot(color=RED)
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self.add(axes)
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self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
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self.play(GrowFromCenter(circle))
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self.begin_ambient_camera_rotation(rate=75 * DEGREES / 4)
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self.pause()
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self.start_loop()
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self.play(MoveAlongPath(dot, circle), run_time=4, rate_func=linear)
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self.end_loop()
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self.stop_ambient_camera_rotation()
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self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
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self.play(dot.animate.move_to(ORIGIN))
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self.pause()
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self.play(dot.animate.move_to(RIGHT * 3))
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self.pause()
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self.start_loop()
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self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
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self.end_loop()
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# Each slide MUST end with an animation (a self.wait is considered an animation)
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self.play(dot.animate.move_to(ORIGIN))
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else:
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# WARNING: 3b1b's manim change how ThreeDScene work,
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# this is why things have to be managed differently.
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class ThreeDExample(Slide):
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CONFIG = {
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"camera_class": ThreeDCamera,
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}
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def construct(self):
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axes = ThreeDAxes()
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circle = Circle(radius=3, color=BLUE)
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dot = Dot(color=RED)
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self.add(axes)
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frame = self.camera.frame
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frame.set_euler_angles(
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theta=30 * DEGREES,
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phi=75 * DEGREES,
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gamma=0,
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)
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self.play(GrowFromCenter(circle))
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updater = lambda m, dt: m.increment_theta((75 * DEGREES / 4) * dt)
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frame.add_updater(updater)
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self.pause()
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self.start_loop()
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self.play(MoveAlongPath(dot, circle), run_time=4, rate_func=linear)
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self.end_loop()
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frame.remove_updater(updater)
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self.play(frame.animate.set_theta(30 * DEGREES))
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self.play(dot.animate.move_to(ORIGIN))
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self.pause()
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self.play(dot.animate.move_to(RIGHT * 3))
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self.pause()
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self.start_loop()
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self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
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self.end_loop()
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# Each slide MUST end with an animation (a self.wait is considered an animation)
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self.play(dot.animate.move_to(ORIGIN))
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