LoadPanel.cs

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

/// <summary>
/// 管理加载画面的脚本
/// </summary>
public class LoadPanel : MonoBehaviour
{
    //加载文字。目前对这玩意儿的改动都暂时在GameDataManager里。
    public Text loadProgressText;
    public Slider slider;//加载的进度条
    public Image sliderImage;// 进度条上的图片，为了实现进度条的滚动
    [Tooltip("显示的百分比")]public Text text;//显示的百分比
    protected Image backGroundImg;

    public Sprite[] imgArrays;
    public string[] TipsArrays;

    private void Awake()
    {
        loadProgressText = GetComponentInChildren<Text>();
        backGroundImg = GetComponentInChildren<Image>();
    }

    //临时用，不管了
    public void RunEnable()
    {
        gameObject.SetActive(true);
        //StartCoroutine(ChangeBackgroundImg());//持续切换背景图片
        ChangeBackgroundImg();
        StartCoroutine(RunSlider());
    }

    private void OnEnable()
    {
        //全放到上面的RunEnable里了
    }

    private void OnDisable()
    {
        StopAllCoroutines();
    }

    // 两个update都试了一下，滚动的校徽看起来都挺卡的，聊胜于无吧
    /*private void FixedUpdate()
    {
        sliderImage.transform.localEulerAngles = new Vector3(0, 0, sliderImage.transform.rotation.z + 100f);
    }

    private void Update()
    {
        sliderImage.transform.localEulerAngles = new Vector3(0, 0, sliderImage.transform.rotation.z + 100f);
    }*/

    /// <summary>
    /// 协程实现进度条上的图片的滚动
    /// </summary>
    IEnumerator RunSlider()
    {
        int i = 0;
        while(i < 250)
        {
            sliderImage.transform.localEulerAngles = new Vector3(0, 0, sliderImage.transform.rotation.z + 100f);
            yield return new WaitForSeconds(0.04f);
        }
        StopAllCoroutines();
    }


    /// <summary>
    /// 实现随机选择一张图片进行加载
    /// </summary>
    private void ChangeBackgroundImg()
    {
        backGroundImg.sprite = imgArrays[Random.Range(0,imgArrays.Length)];
    }


    //IEnumerator ChangeBackgroundImg()
    //{
    //    while(gameObject.activeInHierarchy)
    //    {
    //        SetBackgroundImg();
    //        yield return new WaitForSeconds(4);
    //    }
    //}



    protected void SetBackgroundImg()
    {
        //Sprite nextImg = null;
        //if (backGroundImg == null) return;
        //if (imgArrays.Length == 1)
        //{
        //    nextImg = imgArrays[0];
        //}
        //else
        //{
        //    //TODO:沈建伟来写一下开始时随机选一张图
        //这边while代码最好不要了，会有死循环
        //    //while (nextImg != backGroundImg.sprite)
        //    //{

        //    //    //
        //    //    //nextImg = imgArrays[Random.Range(0, imgArrays.Length)];
        //    //}
        //}

        //backGroundImg.sprite = nextImg;
    }

}