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

public static class UIHelper
{
    private static List<RaycastResult> results = new List<RaycastResult>();
    public static List<RaycastResult> RaycastMouse()
    {
        PointerEventData pointerData = new PointerEventData(EventSystem.current)
        {
            pointerId = -1,
        };

        pointerData.position = Input.mousePosition;
        results.Clear();
        EventSystem.current.RaycastAll(pointerData, results);
        return results;
    }

    public static bool IsOnUi()
    {
        var r = RaycastMouse();
        foreach (var result in r)
        {
            if (result.isValid)
                return true;
        }
        return false;
    }
}