簡單的拖拽物體到物品欄

代碼：需要移動物體上的代碼（這裏是血瓶）

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

public class DragDrop : MonoBehaviour,IPointerDownHandler,IBeginDragHandler ,IEndDragHandler,IDragHandler{

    private RectTransform m_rectTransform;
    public Canvas m_Canvas;
    private CanvasGroup m_CanvasGroup;
    void Start()
    {
        m_rectTransform = GetComponent<RectTransform>();
        m_CanvasGroup = GetComponent<CanvasGroup>();
    }
    /// <summary>
    /// 開始拖放前
    /// </summary>
    /// <param name="eventData"></param>
    public void OnBeginDrag(PointerEventData eventData)
    {
        Debug.Log("OnBeginDrag");
        m_CanvasGroup.blocksRaycasts = false;
        m_CanvasGroup.alpha = 0.6f;
    }
    /// <summary>
    /// 拖拽
    /// </summary>
    /// <param name="eventData"></param>
    public void OnDrag(PointerEventData eventData)
    {
        m_rectTransform.anchoredPosition += eventData.delta/ m_Canvas.scaleFactor;
    }

    /// <summary>
    /// 拖拽結束
    /// </summary>
    /// <param name="eventData"></param>
    public void OnEndDrag(PointerEventData eventData)
    {
        Debug.Log("OnEndDrag拖拽結束");
        m_CanvasGroup.blocksRaycasts = true;
        m_CanvasGroup.alpha = 1f;
    }

    public void OnPointerDown(PointerEventData eventData)
    {
        Debug.Log("OnPointerDown");
    }

 
}

代碼：物品格子代碼

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
public class IteamSlot : MonoBehaviour, IDropHandler
{
    public void OnDrop(PointerEventData eventData)
    {
        if(eventData.pointerDrag!=null)
        {
            eventData.pointerDrag.GetComponent<RectTransform>().anchoredPosition = GetComponent<RectTransform>().anchoredPosition;
        }
        
    }
}

把腳本放到格子上就行了，
有點不好，鼠標移動到格子上纔有放入的效果（有需要的可以試試）