unity动态添加 EventTrigger

前言：每日记录自己学习unity的心得和体会，小弟才疏学浅，如有错误的地方，欢迎大佬们指正，感谢~

代码添加    EventTrigger   方法

检测鼠标进入UI显示ui的名字非常好用

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using UnityEngine.Events;

using UnityEngine.EventSystems;

using UnityEngine.UI;

public class ChuFaWaite : MonoBehaviour {

   private Image imagee;

   private EventTrigger trigger;

   // Use this for initialization

   void Start()

   {

       imagee = this.GetComponent<Image>();

       if (!GetComponent<EventTrigger>())

       {

         trigger = gameObject.AddComponent<EventTrigger>();

       }

       else

       {

           trigger = gameObject.GetComponent<EventTrigger>();

       }

       UnityAction<BaseEventData> click = new UnityAction<BaseEventData>(MyClick);

       EventTrigger.Entry myclick = new EventTrigger.Entry();

       myclick.eventID = EventTriggerType.PointerEnter;

       myclick.callback.AddListener(click);

       trigger.triggers.Add(myclick);

       UnityAction<BaseEventData> _click = new UnityAction<BaseEventData>(MyClick_);

       EventTrigger.Entry myclick_ = new EventTrigger.Entry();

       myclick_.eventID = EventTriggerType.PointerExit;

       myclick_.callback.AddListener(_click);

       trigger.triggers.Add(myclick_);

   }

   //进入

   public void MyClick(BaseEventData data)

   {

       imagee.color = Color.white;        

   }

   //离开

   public void MyClick_(BaseEventData data)

   {

       imagee.color = Color.red;      

   }

}

3D物体检测

加入碰撞盒,可用下面代码检测鼠标进入物体,显示物体名字

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

public class Obj_OnTrigger : MonoBehaviour {

   //当鼠标进入碰撞器的时候调用  

   private void OnMouseEnter()

   {

       Debug.Log("进入");

   }

   //当鼠标离开碰撞器的时候调用  

   private void OnMouseExit()

   {

       Debug.Log("离开");

   }

}