| 12 | |
| 13 | @dataclass |
| 14 | class SoundPlayer: |
| 15 | sound: THREE.Audio = field() |
| 16 | on_start: Callable[[], None] = field() |
| 17 | on_stop: Callable[[], None] = field(default=lambda: None) |
| 18 | |
| 19 | _start_time: float = -1.0 |
| 20 | |
| 21 | def play(self): |
| 22 | self.sound.stop() |
| 23 | self.on_start() |
| 24 | self._start_time = self.sound.context.currentTime |
| 25 | self.sound.play() |
| 26 | |
| 27 | def stop(self): |
| 28 | self.sound.stop() |
| 29 | self.on_stop() |
| 30 | self._start_time = -1.0 |
| 31 | |
| 32 | def toggle(self): |
| 33 | if self.sound.isPlaying: |
| 34 | self.stop() |
| 35 | else: |
| 36 | self.play() |
| 37 | |
| 38 | @property |
| 39 | def running_time(self): |
| 40 | if self.sound.isPlaying: |
| 41 | return self.sound.context.currentTime - self._start_time |
| 42 | elif self._start_time != -1.0: |
| 43 | self.stop() |
| 44 | return 0.0 |
| 45 | |
| 46 | def get_renderer(): |
| 47 | renderer = new(THREE.WebGLRenderer, antialias=True) |