HTC vive Eye pro眼动追踪初识

2，在unity工程中导入相应的package

Vive-SRanipal-Unity-Plugin.unitypackage

https://download.csdn.net/download/moonlightpeng/11237918

3, 标定

方案1 在没有运行工程时，直接在头盔中通过手柄来标定。

方案2 用unitypackage里面的标定功能。

4， 在工程中用红色的小球表示眼睛的注视点，把自动的紫色的射线不显示。

直接把Line Renderer不要勾选。

 //========= Copyright 2018, HTC Corporation. All rights reserved. =========== using UnityEngine; using UnityEngine.Assertions;  namespace ViveSR {     namespace anipal     {         namespace Eye         {             public class SRanipal_GazeRaySample : MonoBehaviour             { 				private GameObject gazePointer;                 public int LengthOfRay = 25;                 [SerializeField] private LineRenderer GazeRayRenderer;                  private void Start()                 { 					      gazePointer = new GameObject();                     gazePointer = GameObject.Find("GazePointer");                     if (gazePointer)                     {                         gazePointer.GetComponent<MeshRenderer>().enabled = false;                     }                     else                     {                         Debug.LogError("cannot find object of gazePointer");                     }                     if (!SRanipal_Eye_Framework.Instance.EnableEye)                     { 						                         enabled = false;                         return;                     }                     Assert.IsNotNull(GazeRayRenderer);                 }                  private void Update()                 {                     if (SRanipal_Eye_Framework.Status != SRanipal_Eye_Framework.FrameworkStatus.WORKING &&                         SRanipal_Eye_Framework.Status != SRanipal_Eye_Framework.FrameworkStatus.NOT_SUPPORT) return;                     Vector3 GazeOriginCombinedLocal, GazeDirectionCombinedLocal;                     if (SRanipal_Eye.GetGazeRay(GazeIndex.COMBINE, out GazeOriginCombinedLocal, out GazeDirectionCombinedLocal)) { }                     else if (SRanipal_Eye.GetGazeRay(GazeIndex.LEFT, out GazeOriginCombinedLocal, out GazeDirectionCombinedLocal)) { }                     else if (SRanipal_Eye.GetGazeRay(GazeIndex.RIGHT, out GazeOriginCombinedLocal, out GazeDirectionCombinedLocal)) { }                     else return;                     Vector3 GazeDirectionCombined = Camera.main.transform.TransformDirection(GazeDirectionCombinedLocal);                     GazeRayRenderer.SetPosition(0, Camera.main.transform.position - Camera.main.transform.up * 0.05f);                     GazeRayRenderer.SetPosition(1, Camera.main.transform.position + GazeDirectionCombined * LengthOfRay); 					 					Ray ray = new Ray(Camera.main.transform.position - Camera.main.transform.up * 0.05f, GazeDirectionCombined);                     Debug.DrawLine(Camera.main.transform.position - Camera.main.transform.up * 0.05f, Camera.main.transform.position + GazeDirectionCombined * LengthOfRay, Color.red);  //这个就是绘制出的射线了，包含发射位置，发射距离和射线的颜色；                         RaycastHit hitInfo;                      if (Physics.Raycast(ray, out hitInfo, 100))                     {                          DrawLineInGame(hitInfo.point);                          GameObject hitme = hitInfo.collider.gameObject;                       }                     else                     {                         gazePointer.GetComponent<MeshRenderer>().enabled = false;                     } 					                 } 				 				 void DrawLineInGame(Vector3 point)                 {                     //render the position of sphere                     gazePointer.GetComponent<MeshRenderer>().enabled = true;                     gazePointer.transform.position = point;                  }             }         }     } } 

文章来源: https://blog.csdn.net/moonlightpeng/article/details/91572812