Method playOrPause

src/playground.ts:99–110

Plays/pauses the player.

()

  /** Plays/pauses the player. */
  playOrPause() {
    if (this.isPlaying) {
      this.isPlaying = false;
      this.pause();
    } else {
      this.isPlaying = true;
      if (iter === 0) {
        simulationStarted();
      }
      this.play();
    }
  }

  onPlayPause(callback: (isPlaying: boolean) => void) {
    this.callback = callback;