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

namespace Assets.Scenes.Ride.Scripts
{
    public class NumberDotween:MonoBehaviour
    {
        private Sequence mScoreSequence;
        private Text text;
        private float mOldScore = 0;
        
        private void Start()
        {
            //函数内初始化
            mScoreSequence = DOTween.Sequence();
            //函数内设置属性
            mScoreSequence.SetAutoKill(false);
            text = transform.GetComponent<Text>();
        }
        private double temp = 0;
        private int index = -1;
        public void AnimateNum(float newScore,double totalDistance,int currentIndex, int digit, string format,Image process)
        {
            if (currentIndex != index)
            {
                text.text = string.Format(format, totalDistance);
                index = currentIndex;
                process.fillAmount = 1;
                StartCoroutine(CompleteFill(process));
            }
            else
            {
                mScoreSequence.Append(DOTween.To(delegate (float value)
                {
                    temp = Math.Round(value, digit);
                    process.fillAmount = (float)(value / totalDistance);
                    //向Text组件赋值
                    text.text = string.Format(format, temp);
                }, mOldScore, newScore, 1f));
                //将更新后的值记录下来, 用于下一次滚动动画
                mOldScore = newScore;
            }
        }
        IEnumerator CompleteFill(Image process)
        {
            yield return new WaitForSeconds(0.3f);
            mOldScore = 0;
            process.fillAmount = 0;
        }
    }
}