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Adding audio functionality to phaseflow animation #3942

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Adding audio functionality to phaseflow animation #3942

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9 changes: 9 additions & 0 deletions manim/animation/movement.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,8 @@

from __future__ import annotations

import pygame

__all__ = [
"Homotopy",
"SmoothedVectorizedHomotopy",
Expand Down Expand Up @@ -112,17 +114,24 @@ def __init__(
virtual_time: float = 1,
suspend_mobject_updating: bool = False,
rate_func: Callable[[float], float] = linear,
sound_file: str = "path/to/your/sound.wav", # Addition
**kwargs,
) -> None:
self.virtual_time = virtual_time
self.function = function
self.sound_file = sound_file # Addition
super().__init__(
mobject,
suspend_mobject_updating=suspend_mobject_updating,
rate_func=rate_func,
**kwargs,
)

def begin(self) -> None: # Addition
super().begin()
# Play sound at the start of the animation
pygame.mixer.Sound(self.sound_file).play()

def interpolate_mobject(self, alpha: float) -> None:
if hasattr(self, "last_alpha"):
dt = self.virtual_time * (
Expand Down
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