我正在开发AR Android应用程序。我已经完成了应用程序的构建,但是无论何时打开它,视频都会在甚至扫描目标图像之前在后台播放,但是只有在扫描图像时才会显示视频。有任何帮助或建议吗? DefaultTrackableEventHandler.cs的代码为:
using UnityEngine;
using Vuforia;
public class DefaultTrackableEventHandler : MonoBehaviour, ITrackableEventHandler
{
protected TrackableBehaviour mTrackableBehaviour;
protected TrackableBehaviour.Status m_PreviousStatus;
protected TrackableBehaviour.Status m_NewStatus;
protected virtual void Start()
{
mTrackableBehaviour = GetComponent<TrackableBehaviour>();
if (mTrackableBehaviour)
mTrackableBehaviour.RegisterTrackableEventHandler(this);
}
protected virtual void OnDestroy()
{
if (mTrackableBehaviour)
mTrackableBehaviour.UnregisterTrackableEventHandler(this);
}
public void OnTrackableStateChanged(
TrackableBehaviour.Status previousStatus,
TrackableBehaviour.Status newStatus)
{
m_PreviousStatus = previousStatus;
m_NewStatus = newStatus;
if (newStatus == TrackableBehaviour.Status.DETECTED ||
newStatus == TrackableBehaviour.Status.TRACKED ||
newStatus == TrackableBehaviour.Status.EXTENDED_TRACKED)
{
Debug.Log("Trackable " + mTrackableBehaviour.TrackableName + " found");
OnTrackingFound();
}
else if (previousStatus == TrackableBehaviour.Status.TRACKED &&
newStatus == TrackableBehaviour.Status.NO_POSE)
{
Debug.Log("Trackable " + mTrackableBehaviour.TrackableName + " lost");
OnTrackingLost();
}
else
{
OnTrackingLost();
}
}
protected virtual void OnTrackingFound()
{
var rendererComponents = GetComponentsInChildren<Renderer>(true);
var colliderComponents = GetComponentsInChildren<Collider>(true);
var canvasComponents = GetComponentsInChildren<Canvas>(true);
foreach (var component in rendererComponents)
component.enabled = true;
foreach (var component in colliderComponents)
component.enabled = true;
foreach (var component in canvasComponents)
component.enabled = true;
}
protected virtual void OnTrackingLost()
{
var rendererComponents = GetComponentsInChildren<Renderer>(true);
var colliderComponents = GetComponentsInChildren<Collider>(true);
var canvasComponents = GetComponentsInChildren<Canvas>(true);
foreach (var component in rendererComponents)
component.enabled = false;
foreach (var component in colliderComponents)
component.enabled = false;
foreach (var component in canvasComponents)
component.enabled = false;
}
}
答案 0 :(得分:1)
如果使用Unity Videoplayer,请检查是否禁用了Video Player检查器视图中的“循环”选项。
第二,包含VideoPlayer组件的游戏对象是ImageTarget游戏对象的子对象吗?
第三,必须在OnTrackingFound()中管理播放,并在OnTrackingLost()中管理有关VideoPlayer的停止。