更新
我检查了不同版本的统一,它与安装在另一台笔记本电脑上的 Unity 2018.2.6f1 Personal 一起使用。但是我有 Unity 2018.2.12f1 Personal,它给出了错误。是统一错误吗?
我正在使用 vuforia 的基本免费计划并使用 vuforia 进行云识别。云识别部分工作正常,可跟踪的处理程序也打印云识别的图像名称。但是,当我尝试启用对附加图像目标的跟踪时,它仅适用于第一张图像。在第一个之后,它给出了以下错误:
无法启用 TargetSearchResult cloud-image-name 进行跟踪。UnityEngine.Debug:LogError(Object) Vuforia.TargetFinder:EnableTracking(TargetSearchResult, GameObject) CloudRec:OnNewSearchResult(TargetSearchResult) (at Assets/Scripts/CloudRec.cs:66) Vuforia.ObjectRecoBehaviour:Update()
上述错误表明以下行是问题:
m_ObjectTracker = TrackerManager.Instance.GetTracker<ObjectTracker>();
ImageTargetBehaviour imageTargetBehaviour = (ImageTargetBehaviour)m_ObjectTracker.TargetFinder.EnableTracking(targetSearchResult, ImageTargetTemplate.gameObject);
技术版:
Vuforia 版本:7.5.20 | Unity 2018.2.12f1 个人版
完整代码在这里:
public class CloudRec : MonoBehaviour, ICloudRecoEventHandler
{
private CloudRecoBehaviour mCloudRecoBehaviour;
private bool mIsScanning = false;
private string mTargetMetadata = "";
public ImageTargetBehaviour ImageTargetTemplate;
ObjectTracker m_ObjectTracker;
TargetFinder m_TargetFinder;
// Use this for initialization
void Start()
{
// register this event handler at the cloud reco behaviour
mCloudRecoBehaviour = GetComponent<CloudRecoBehaviour>();
if (mCloudRecoBehaviour)
{
mCloudRecoBehaviour.RegisterEventHandler(this);
}
}
public void OnInitialized()
{
m_ObjectTracker = TrackerManager.Instance.GetTracker<ObjectTracker>();
Debug.Log("Cloud Reco initialized");
}
public void OnInitError(TargetFinder.InitState initError)
{
Debug.Log("Cloud Reco init error " + initError.ToString());
}
public void OnUpdateError(TargetFinder.UpdateState updateError)
{
Debug.Log("Cloud Reco update error " + updateError.ToString());
}
public void OnStateChanged(bool scanning)
{
mIsScanning = scanning;
if (scanning)
{
// clear all known trackables
ObjectTracker tracker = TrackerManager.Instance.GetTracker<ObjectTracker>();
tracker.TargetFinder.ClearTrackables(false);
}
}
// Here we handle a cloud target recognition event
public void OnNewSearchResult(TargetFinder.TargetSearchResult targetSearchResult)
{
GameObject newImageTarget = Instantiate(ImageTargetTemplate.gameObject) as GameObject;
GameObject augmentation = null;
if (augmentation != null)
augmentation.transform.SetParent(newImageTarget.transform);
if (ImageTargetTemplate)
{
m_ObjectTracker = TrackerManager.Instance.GetTracker<ObjectTracker>();
ImageTargetBehaviour imageTargetBehaviour = (ImageTargetBehaviour)m_ObjectTracker.TargetFinder.EnableTracking(targetSearchResult, ImageTargetTemplate.gameObject);
//ImageTracker imageTracker = TrackerManager.Instance.GetTracker<ImageTracker>();
//ImageTargetBehaviour imageTargetBehaviour = (ImageTargetBehaviour)imageTracker.TargetFinder.EnableTracking(targetSearchResult, newImageTarget);
}
if (mIsScanning)
{
mCloudRecoBehaviour.CloudRecoEnabled = true;
}
}
// Update is called once per frame
void Update()
{
}
public void OnInitialized(TargetFinder targetFinder)
{
m_ObjectTracker = TrackerManager.Instance.GetTracker<ObjectTracker>();
m_TargetFinder = targetFinder;
}
}