Unity判断是否点击到UI按钮

  static public bool IsClickUIBtn(string[] ignoreTags = null)
  {
    PointerEventData eventDataCurrentPosition = new PointerEventData(EventSystem.current);
    eventDataCurrentPosition.position = new Vector2(Input.mousePosition.x, Input.mousePosition.y);
    List results = new List();
    EventSystem.current.RaycastAll(eventDataCurrentPosition, results);
    for (int i = results.Count - 1; i >= 0; i--)
    {
      if (!results[i].gameObject.GetComponent())
        results.RemoveAt(i);

    }
    if (ignoreTags != null && results.Count > 0)
    {
      List tag = new List(ignoreTags);
      for(int i = results.Count - 1; i >= 0; i--)
      {
        if (tag.Contains(results[i].gameObject.tag))
          results.RemoveAt(i);
      }
    }

    return results.Count > 0;
  }