public void DisplayNextSentence()
{
if (sentences.Count == 0)
{
EndDialogue();
return;
}
string sentence = sentences.Dequeue();
Audio_manager.StopPlaying(index - 1);
StopAllCoroutines();
Audio_manager.Play(index);
index = index + 1;
StartCoroutine(TypeSentence(sentence));
//dialogueText.text = sentence;
}