BaseInputModule.IsPointerOverGameObject

Parameters

Description

Is the pointer over a GameObject that is controlled by the EventSystem.

If the module is pointer based, then override this to return true if the pointer is over an event system object.

function Update()
	{
		if(Input.GetMouseButtonDown(0))
		{
			if(!EventSystems.EventSystem.current.IsPointerOverGameObject())
			{
				Debug.Log("Did not Click on the UI");
			}
		}
	}

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");
			}
		}	
	}
}