unity+射线检测

 private Camera aRCamera;  Ray ray; RaycastHit hit; aRCamera = GameObject.Find("RenderCamera").GetComponent<Camera>(); if (Input.GetMouseButtonDown(0)) {  	startPos = Input.mousePosition;         ray = aRCamera.ScreenPointToRay(startPos); 	Debug.DrawRay(ray.origin, ray.direction, Color.red);//1.射线可视 	//if(Physics.Raycast(ray,out hit2,int.MaxValue,1<<LayerMask.NameToLayer("Anim"))&&!EventSystem.current.IsPointerOverGameObject())//2.UI穿透问题，命名空间：using UnityEngine.EventSystems; 	//if(Physics.Raycast(ray,out hit2,int.MaxValue,1<<LayerMask.NameToLayer("Anim")))//3.选择层 	if(Physics.Raycast(ray,out hit)) 	{ 		    if (hit.collider != null)                     {                         if (hit.collider.tag == "Mode")                         {                             Debug.LogError(hit.point);//4.射线点击获取世界坐标                              Debug.LogError(hit.collider.name);                             currentHitObj = hit.collider.gameObject;                         } 		    } 	} } 

　　

文章来源: https://blog.csdn.net/Snailsnail_Smails/article/details/89682537