Unity手写模拟DoTween中的To功能

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class DT : MonoBehaviour
{
    public float beginValue, endValue;
    public float beginTime, times;
    public Action<float> action;
    public Action onComplete;
    public static DT To(Action<float> action, float beginvalue, float endvalue, float time)
    {
        GameObject go = new GameObject("DT");
        DT dt = go.AddComponent<DT>();
        dt.beginValue = beginvalue;
        dt.endValue = endvalue;
        dt.times = time;
        dt.action = action;
        dt.beginTime = Time.time;
        return dt;
    }

    public DT OnComplete(Action action)
    {
        onComplete = action;
        return this;
    }
    // Update is called once per frame
    void Update()
    {
        if (Time.time - beginTime <= times)
        {
            float value = Mathf.Lerp(beginValue, endValue, (Time.time - beginTime) / times);
            action?.Invoke(value);
        }
        else
        {
            onComplete?.Invoke();
            Destroy(gameObject);
        }
    }
}