Unity内嵌ScrollView

原创已于 2023-03-23 21:48:48 修改 · 298 阅读

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#unity #ui

于 2023-03-23 21:26:02 首次发布

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该文章介绍了一种在Unity中处理内嵌ScrollView相互独立滑动的方法。通过重写CustomScrollRect类，将内部的PointerEventData事件传递给父级ScrollRect，确保外部翻页和内部文本滑动条可以独立操作，避免冲突。

内嵌ScrollView互不影响，比如外部翻页滑动条内嵌入内部文本滑动条

只需要将内部的UI PointerEventData传给父级即可

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using System;

public class CustomScrollRect : ScrollRect
{
    public ScrollRect Parent;
    public override void OnBeginDrag(PointerEventData eventData)
    {
        base.OnBeginDrag(eventData);
        Parent?.OnBeginDrag(eventData);
        //ExecuteEvents.Execute(Parent.gameObject, eventData, ExecuteEvents.beginDragHandler);
    }

    public override void OnDrag(PointerEventData eventData)
    {
        base.OnDrag(eventData);
        Parent?.OnDrag(eventData);
        //ExecuteEvents.Execute(Parent.gameObject, eventData, ExecuteEvents.dragHandler);

    }

    public override void OnEndDrag(PointerEventData eventData)
    {
        base.OnEndDrag(eventData);
        Parent?.OnEndDrag(eventData);
        //ExecuteEvents.Execute(Parent.gameObject, eventData, ExecuteEvents.endDragHandler);
    }
}