public bool IsPointerOverGameObject ();
public bool IsPointerOverGameObject (int pointerId);


pointerId ポインター ID (タッチ、マウス)。


指定した ID のポインターが EventSystem オブジェクト上にあるかどうか。

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

public class example : MonoBehaviour {

void Update () { // Check if the left mouse button was clicked if(Input.GetMouseButtonDown(0)) { // Check if the mouse was clicked over a UI element if(!EventSystem.current.IsPointerOverGameObject()) { Debug.Log("Did not Click on the UI"); } } } }

Note on C# that they will need to add "using UnityEngine.EventSystems;" Note that with C# you will need to add "using UnityEngine.EventSystems;".