Unity2D 自动快速浏览关卡效果

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Unity2D 自动快速浏览关卡效果

结构

ScrollView

Viewport

Content

代码

代码语言：javascript代码运行次数：0运行复制

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

public class MoveContent : MonoBehaviour
{
    public RectTransform contentRect;
    private float speed;

    // Start is called before the first frame update
    void Start()
    {
        StartCoroutine(BrowseContent());
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    /// <summary>
    /// 移动浏览关卡内容
    /// </summary>
    /// <returns></returns>
    private IEnumerator BrowseContent()
    {
        yield return new WaitForEndOfFrame();//等待一帧，不然content宽度会是0

        float leftX = Screen.width - contentRect.rect.width;//向左坐标X
        float rightX = 0;//向右坐标X
        float Y = (contentRect.rect.height - Screen.height)/ 2;//向左、右坐标Y
        speed = Mathf.Abs(leftX);//浏览速度
        Vector2 leftPostion = new Vector2(leftX, Y);//向左坐标
        Vector2 rightPosition = new Vector2(rightX, Y);//向右坐标

        //向右浏览，滑动向左
        while(Vector2.Distance(contentRect.anchoredPosition, leftPostion) > 0.01f)
        {
            contentRect.anchoredPosition = Vector2.MoveTowards(contentRect.anchoredPosition, leftPostion, speed * Time.deltaTime);
            yield return new WaitForEndOfFrame();
        }
        yield return new WaitForSeconds(0.5f);

        //向左浏览，滑动向右
        while (Vector2.Distance(contentRect.anchoredPosition, rightPosition) > 0.01f)
        {
            contentRect.anchoredPosition = Vector2.MoveTowards(contentRect.anchoredPosition, rightPosition, speed * Time.deltaTime);
            yield return new WaitForEndOfFrame();
        }
    }
}

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本文标签： Unity2D 自动快速浏览关卡效果