PointerEventData.pointerPress

説明

The GameObject that received the OnPointerDown.

pointerPress returns the GameObject that has been pressed. It is only valid when the press is released.

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

// pointerPress example.
// Note that an image was added to a Canvas->Image.  This Image has the
// following script added.  OnPointerUp is called when the texture is
// clicked and released.

public class ExampleScript : MonoBehaviour, IPointerUpHandler
{
    // The mouse was released from the GameObject.
    public void OnPointerUp(PointerEventData eventData)
    {
        Debug.Log("Up: " + eventData.pointerPress);
    }
}