Unity在屏幕上滑动

_Cherry｜2025-12-11 8:16
使用ui的Image，放在最上层，进行检测是否在ui上滑动
创建一个Image，设置为全屏，挂在下方脚本即可。
cs 复制代码
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;

public class SwipeDetector03 : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
{
    [Header("滑动设置")]
    [SerializeField] private float swipeThreshold = 50f; // 滑动阈值(像素)

    private Vector2 startPosition;
    private bool isDragging = false;

    // 开始拖拽
    public void OnBeginDrag(PointerEventData eventData)
    {
        startPosition = eventData.position;
        isDragging = true;
        //Debug.Log("开始滑动");
    }

    // 拖拽中
    public void OnDrag(PointerEventData eventData)
    {
        // 可以在这里添加实时拖拽效果
    }

    // 结束拖拽
    public void OnEndDrag(PointerEventData eventData)
    {
        if (!isDragging) return;

        Vector2 endPosition = eventData.position;
        float swipeDistance = endPosition.x - startPosition.x;

        //Debug.Log("滑动距离: " + swipeDistance);

        // 判断滑动距离是否超过阈值
        if (Mathf.Abs(swipeDistance) > swipeThreshold)
        {
            if (swipeDistance > 0)
            {
                // 向右滑动
                //Debug.Log("下一页");
                // 在这里调用你的下一页逻辑

                (UiPanel.Instance.GetUiPanelForType(UiPanelType.TwoLevelPanel03) as TwoLevelPanel03).
                    NextPanel();

            }
            else
            {
                // 向左滑动
                //Debug.Log("上一页");
                // 在这里调用你的上一页逻辑

                (UiPanel.Instance.GetUiPanelForType(UiPanelType.TwoLevelPanel03) as TwoLevelPanel03).
                    PreviousPanel();
            }
        }

        isDragging = false;
    }
}