uGUI用タイプライターテキスト ※使用時は各自で適切なAudioSourceを指定

UITypeWriterText.cs

using UnityEngine;
using UnityEngine.UI;
using System.Collections;

[RequireComponent(typeof(Text))]
public class UITypeWriterText: MonoBehaviour {

	private Text targetUIText;
	private string textCache;

	public float Speed = 0.2f;
	public AudioClip TypeSound;
	public AudioClip TypeFinishedSound;

	void Awake() {
		targetUIText = GetComponent<Text>();
		textCache = targetUIText.text;
		targetUIText.text = "";
	}

	void Start () {
		StartCoroutine(ProcessType());
	}

	IEnumerator ProcessType () {
		// type text till done all.
		while(targetUIText.text.Length < textCache.Length) {
			targetUIText.text += textCache[targetUIText.text.Length];
			if(TypeSound != null) {
				AudioManager.Instance.Play(TypeSound);
			}
			yield return new WaitForSeconds(Speed);
		}
		if(TypeFinishedSound != null) {
			AudioManager.Instance.Play(TypeFinishedSound);
		}
	}
}