yichael_smartbow/Assets/BowArrow/Scripts/Effect/HitTargetNumber.cs

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

public class HitTargetNumber : MonoBehaviour
{
    void Awake()
    {
        DoText();
    }

    void DoText()
    {
        float scale1 = 3.3f;
        float scale2 = 1f;
        RectTransform rtf = this.transform.GetComponentInChildren<Text>().rectTransform;
        rtf.localScale = Vector3.zero;
        Sequence seq = DOTween.Sequence();
        seq.Append(rtf.DOScale(new Vector3(scale1, scale1, 0), 0.1f));
        seq.Append(rtf.DOScale(new Vector3(scale2, scale2, 0), 0.1f));
        seq.AppendInterval(0.33f);
        seq.Append(rtf.GetComponent<Text>().DOFade(0, 0.23f));
        seq.AppendCallback(delegate() {
            Destroy(this.gameObject);
        });
    }

    public static void Create(int number) {
        GameObject o = GameObject.Instantiate(
            Resources.Load<GameObject>("Prefabs/Effects/HitTargetNumber"),
            Vector3.zero,
            Quaternion.identity,
            GameObject.Find("Canvas").transform
        );
        o.transform.localPosition = new Vector3(340, 180, 0);
        o.GetComponentInChildren<Text>().text = number.ToString();
    }
}