DOTween 横にスケールしながら縦は０スケールで消える演出

gistfile1.cs

using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using System.Collections.Generic;
using DG.Tweening;

public class DOTweenText : MonoBehaviour {

	void Start () {
		// stretch vertically
		this.GetComponent<RectTransform> ().DOScaleY (1.4f, 0.2f).SetLoops(2, LoopType.Yoyo).OnComplete(Vanish);
	}

	// then, stretch horizontally and vanish
	public void Vanish(){
		this.GetComponent<RectTransform> ().DOScaleX (2, 1.0f);
		this.GetComponent<RectTransform> ().DOScaleY (0, 1.0f);
	}
}