EventSystem is not working

Questions & Answers
1

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

public class ItemData : MonoBehaviour , IBeginDragHandler, IDragHandler, IEndDragHandler {
	public Item item;
	public int amount;
	public int slot;

	private Transform originalParent;
	private Vector2 offset;

	public void OnBeginDrag (PointerEventData eventData)
	{
		if (item != null)
		{
			offset = eventData.position = new Vector2(this.transform.position.x,this.transform.position.y);
			originalParent = this.transform.parent;
			this.transform.SetParent(this.transform.parent.parent);
			this.transform.position = eventData.position - offset;
		}
	}

	public void OnDrag (PointerEventData eventData)
	{
		if (item != null)
		{
			this.transform.position = eventData.position - offset;
		}
	}
	
	public void OnEndDrag (PointerEventData eventData)
	{
		this.transform.SetParent(originalParent);
		this.transform.position = originalParent.transform.position;
	}
}

this code is not working ı want to move image’s with mouse.where is the problem

2

Try

            Vector3 coordinates;
            .....
            coordinates = Camera.main.ScreenToWorldPoint (eventData.position);
            coordinates.z = 1f;
            this.transform.position =  coordinates;