UGUI中鼠标点击、进入等事件的监听

继承于EventTrigger,然后在类内定义了一个委托,这个委托表示点击哪个物体。
在调用Get()方法时,就已经把EventTriggerListener脚本挂在对应找到的物体上了。所以注册进去的事件都注册到对应功能上了
这里可以把对应的点击事件进行分离。
来源:http://www.xuanyusong.com/archives/3325

using UnityEngine;
using System.Collections;
using UnityEngine.EventSystems;
public class EventTriggerListener : UnityEngine.EventSystems.EventTrigger{
   public delegate void VoidDelegate (GameObject go);
   public VoidDelegate onClick;
   public VoidDelegate onDown;
   public VoidDelegate onEnter;
   public VoidDelegate onExit;
   public VoidDelegate onUp;
   public VoidDelegate onSelect;
   public VoidDelegate onUpdateSelect;
 
   static public EventTriggerListener Get (GameObject go)
   {
      EventTriggerListener listener = go.GetComponent<EventTriggerListener>();
      if (listener == null) listener = go.AddComponent<EventTriggerListener>();
      return listener;
   }
   public override void OnPointerClick(PointerEventData eventData)
   {
      if(onClick != null)  onClick(gameObject);
   }
   public override void OnPointerDown (PointerEventData eventData){
      if(onDown != null) onDown(gameObject);
   }
   public override void OnPointerEnter (PointerEventData eventData){
      if(onEnter != null) onEnter(gameObject);
   }
   public override void OnPointerExit (PointerEventData eventData){
      if(onExit != null) onExit(gameObject);
   }
   public override void OnPointerUp (PointerEventData eventData){
      if(onUp != null) onUp(gameObject);
   }
   public override void OnSelect (BaseEventData eventData){
      if(onSelect != null) onSelect(gameObject);
   }
   public override void OnUpdateSelected (BaseEventData eventData){
      if(onUpdateSelect != null) onUpdateSelect(gameObject);
   }
}

 

 

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using UnityEngine.Events;
public class UIMain : MonoBehaviour {
     Button button;
     Image image;
     void Start ()
     {
        button = transform.Find("Button").GetComponent<Button>();
        image = transform.Find("Image").GetComponent<Image>();
        EventTriggerListener.Get(button.gameObject).onClick =OnButtonClick;
        EventTriggerListener.Get(image.gameObject).onClick =OnButtonClick;
     }
 
     private void OnButtonClick(GameObject go){
        //在这里监听按钮的点击事件
        if(go == button.gameObject){
           Debug.Log ("DoSomeThings");
       }
    }
}

posted @ 2017-08-08 21:23  萌新小L  阅读(536)  评论(0编辑  收藏  举报