cocorobo-unity/Assets/cursor/dragPicture.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using System;
//拖动图片
public class dragPicture : MonoBehaviour, IDragHandler
{
    //保存图片的RectTransform信息
    private RectTransform rectTransform;

    // Use this for initialization
    void Start()
    {
        //获取图片的RectTransform信息
        rectTransform = GetComponent<RectTransform>();
    }

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

    }
    public void OnDrag(PointerEventData eventData)
    {
        //获取鼠标的位置信息
        Vector3 position = Input.mousePosition;
        //在拖拽中实时更新图片的额位置信息
        rectTransform.position = new Vector3(position.x, position.y, rectTransform.position.z);
    }
}