94 lines
3.0 KiB
C#
94 lines
3.0 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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/*******************************************************************************
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*Create By CG
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*Function
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*******************************************************************************/
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namespace Test
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{
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public class Test2 : MonoBehaviour
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{
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public GameObject uiElement;
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void Update()
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{
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//if (IsMouseOverUI(uiElement))
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//{
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// Debug.Log("鼠标在UI上");
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//}
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//if(RectTransformUtility.RectangleContainsScreenPoint(uiElement.GetComponent<RectTransform>(), Input.mousePosition, Camera.main))
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// {
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// Debug.Log("鼠标在UI上");
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// }
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//ClickUI();
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GetOverUI(GameObject.Find("Canvas"));
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}
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private bool IsMouseOverUI(GameObject uiElement)
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{
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PointerEventData pointerEventData = new PointerEventData(EventSystem.current);
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pointerEventData.position = Input.mousePosition;
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if (EventSystem.current.IsPointerOverGameObject())
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{
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return true;
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}
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return false;
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}
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/// <summary>
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/// 获取鼠标停留处UI
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/// </summary>
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/// <param name="canvas"></param>
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/// <returns></returns>
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public GameObject GetOverUI(GameObject canvas)
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{
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PointerEventData pointerEventData = new PointerEventData(EventSystem.current);
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pointerEventData.position = Input.mousePosition;
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GraphicRaycaster gr = canvas.GetComponent<GraphicRaycaster>();
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List<RaycastResult> results = new List<RaycastResult>();
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gr.Raycast(pointerEventData, results);
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if (results.Count != 0)
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{
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foreach (var item in results)
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{
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Debug.Log(item.gameObject.name);
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}
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return results[0].gameObject;
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}
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return null;
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}
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List<RaycastResult> list = new List<RaycastResult>();
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//场景中的EventSystem
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private void ClickUI()
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{
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//鼠标位置
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PointerEventData eventData = new PointerEventData(EventSystem.current);
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eventData.position = Input.mousePosition;
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EventSystem.current.RaycastAll(eventData, list);
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foreach (var item in list)
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{
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if (item.gameObject != null)
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{
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Debug.Log(item.gameObject.name);
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//获取父类中事件注册接口
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//当然可以细分为IPointerClickHandler, IBeginDragHandler之类细节一点的，各位可以自己取尝试
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//var go = ExecuteEvents.GetEventHandler<IPointerClickHandler>(item.gameObject);
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//var go1 = ExecuteEvents.GetEventHandler<IEventSystemHandler>(item.gameObject);
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}
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}
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}
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}
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} |