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触发器的主要用法：
void OnTriggerEnter()
void OnTriggerEnter(Collider other) { if (other.gameObject.tag =="A")
//如果它触发的物体的tag叫A { Debug.Log("ontriggerA"); } else if (other.gameObject.tag ==
"B")//如果它触发的物体的tag叫B { Debug.Log("ontriggerB"); } }
首先我们先打开unity
此处使用的是easytouch插件控制人物移动，也可以用其他方法
首先设置墙(wall)和box的tag
box和wall都需要选中is Trigger，如果没有box Collider需要手动添加
注：此处的collider为box形式的长方体可用，如果触发器为别的形状需要修改。
人物身上必须要同时拥有Rigidbody和Collider
将以下代码挂载到人物身上，用debug测试下是否能够触发；
void OnTriggerEnter(Collider other) { if (other.gameObject.tag == "wall")
//如果它触发的物体的tag叫wall { Debug.Log("TriggerWall"); } else if (other.gameObject.tag
== "box")//如果它触发的物体的tag叫box { Debug.Log("Triggerbox"); } }
由debug所见，可以正常运行
此时的代码就可以进行很多用处了
触发物体显示界面：
如果我想要人物触发box的时候显示这个界面，那么就可以这么写：
using System.Collections; using System.Collections.Generic; using UnityEngine;
public class ontrigger : MonoBehaviour { public GameObject UImsg; void Start()
{ UImsg.SetActive(false); //不显示UImsg界面 } void OnTriggerEnter(Collider other) {
if (other.gameObject.tag == "wall") //如果它触发的物体的tag叫wall {
Debug.Log("TriggerWall"); } else if (other.gameObject.tag ==
"box")//如果它触发的物体的tag叫box { Debug.Log("Triggerbox"); UImsg.SetActive(true);
//显示UImsg界面 } } }
完成
如有问题可以在下方留言，谢谢！！
制作不易，求个一键三连QwQ~~
