Question by dinnaaa · Feb 04, 2020 at 12:54 PM · c#unity 5 javascript error augmented reality

The name 'TrackManager' does not exist in the current context [Unity Vuforia Ground Plane Project]

Hi, I don't know what's the fault here.

Unity sent this error message "Assets/Scripts/DeployStageOnce.cs(34,20): error CS0103: The name 'TrackManager' does not exist in the current context"

THE CODE IS BELOW:

using System; using UnityEngine; using Vuforia;

public class DeployStageOnce : MonoBehaviour { public GameObject AnchorStage; private PositionalDeviceTracker _deviceTracker; private GameObject _previousAnchor;

 public void Start ()
 {
     if (AnchorStage == null)
         {
             Debug.Log("AnchorStage must be specified");
             return;
        }

     AnchorStage.SetActive(false);
 }

 public void Awake()
 {
     VuforiaARController.Instance.RegisterVuforiaStartedCallback(OnVuforiaStarted);
 }

 public void OnDestroy()
 {
     VuforiaARController.Instance.UnregisterVuforiaStartedCallback(OnVuforiaStarted);
 }

 public void OnVuforiaStarted()
 {
     _deviceTracker = TrackManager.Instance.GetTracker<PositionalDeviceTracker>();
 }

 public void OnInteractiveHitTest(HitTestResult result)
 {
     if (result == null || AnchorStage == null)
     {
         Debug.LogWarning("Hit test is invalid or AnchorStage not set");
         return;
     }

     var anchor = _deviceTracker.Tracker.CreatePlaneAnchor(Guid.NewGuid().ToString().result);

     if (anchor != null)
         {
             AnchorStage.transform.parent = anchor.transform;
             AnchorStage.transform.localPosition = Vector3.zero;
             AnchorStage.transform.localRotation = Quaternion.identity;
             AnchorStage.SetActive(true);
         }

     if (_previousAnchor != null)
     {
         Destroy(_previousAnchor);
     }

     _previousAnchor = anchor;
 }

}

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