powerfun-unity/Assets/LongMessageScript.cs

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

public class LongMessageScript : MonoBehaviour
{
    // Start is called before the first frame update
    float startX;
    private void Awake()
    {
        startX = transform.Find("TextContainer/Content").localPosition.x;
#if (UNITY_ANDROID || UNITY_IOS)
        UIManager.AddEvent(transform.Find("BtnClose").gameObject, UnityEngine.EventSystems.EventTriggerType.PointerClick, b =>
         {
             gameObject.SetActive(false);
         });
#endif
    }
    void Start()
    {

    }
    float timer = 2;
    public float? textWidth = null;
    private bool isAnimated = false;
    public void Initial(string txt)
    {
        var txtTransform = transform.Find("TextContainer/Content");
        txtTransform.GetComponent<Text>().text = txt;
        LayoutRebuilder.ForceRebuildLayoutImmediate(txtTransform.GetComponent<RectTransform>());
        txtTransform.localPosition = new Vector2(startX + maxWidth, transform.Find("TextContainer/Content").localPosition.y);
        isAnimated = false;
        timer = 2;
    }
    float playtime = 0;
#if UNITY_STANDALONE_WIN
    float maxWidth = 1087;
#else
    float maxWidth = 350;
#endif
    // Update is called once per frame
    void Update()
    {
        timer -= Time.deltaTime;
        if (timer <= 0)
        {
            var width = transform.Find("TextContainer/Content").GetComponent<RectTransform>().sizeDelta.x;
            if (textWidth != width) 
            {
                this.textWidth = width;
            }
            //do
            if (textWidth.HasValue && textWidth > maxWidth)
            {
                var offset = textWidth.Value;
                var game = transform.Find("TextContainer/Content");
                var v = 20 / 0.3f;
                playtime = offset / v;
                //匀速播放
                game.DOLocalMoveX(startX - offset, playtime).onComplete
                    = () => 
                    {
                        var txtTransform = transform.Find("TextContainer/Content");
                        txtTransform.localPosition = new Vector2(startX + maxWidth, transform.Find("TextContainer/Content").localPosition.y);
                    };
            }
            timer += (playtime + 0.5f);
        }
    }
    void returnAni()
    {
        var txtTransform = transform.Find("TextContainer/Content");
        txtTransform.localPosition = new Vector2(startX + maxWidth, transform.Find("TextContainer/Content").localPosition.y);
        //transform.Find("TextContainer/Content").DOLocalMoveX(startX, playtime);
    }
}