public void Update()
{
// Do not update if huaweiAR is not tracking.
if (ARFrame.GetTrackingState() != ARTrackable.TrackingState.TRACKING)
{
m_mesh.Clear();
return;
}
// Fill in the data to draw the point cloud.
ARPointCloud pointCloud = ARFrame.AcquirePointCloud();
pointCloud.GetPoints(ref m_points);
pointCloud.Release();
if (m_points.Count > 0)
{
// Update the mesh indicies array.
m_pointIndex.Clear();
for (int i = 0; i < Mathf.Min(m_points.Count, k_maxPointCount); i++)
{
m_pointIndex.Add(i);
}
m_mesh.Clear();
m_mesh.vertices = m_points.ToArray();
m_mesh.SetIndices(m_pointIndex.ToArray(), MeshTopology.Points, 0);
}
}
public void HitTest(float pixelX, float pixelY, List <ARHitResult> hitResultList)
{
hitResultList.Clear();
IntPtr hitResultListHandle = m_ndkSession.HitResultAdapter.CreateList();
NDKAPI.HwArFrame_hitTest(m_ndkSession.SessionHandle, m_ndkSession.FrameHandle, pixelX, pixelY, hitResultListHandle);
int cntOfResult = m_ndkSession.HitResultAdapter.GetListSize(hitResultListHandle);
ARDebug.LogInfo("HitTest hitresult {0}", cntOfResult);
for (int i = 0; i < cntOfResult; i++)
{
//todo refactor the following code when arplaneHitResult is removed
IntPtr hitResultHandle = m_ndkSession.HitResultAdapter.AcquireListItem(hitResultListHandle, i);
IntPtr trackableHandle = m_ndkSession.HitResultAdapter.GetTrackbaleHandle(hitResultHandle);
ARDebug.LogInfo("HitTest hittype! {0}", m_ndkSession.TrackableAdapter.GetType(trackableHandle), i);
switch (m_ndkSession.TrackableAdapter.GetType(trackableHandle))
{
case NDKARTrackableType.Plane:
hitResultList.Add(new ARPlaneHitResult(hitResultHandle, m_ndkSession));
break;
case NDKARTrackableType.Point:
hitResultList.Add(new ARPointCloudHitResult(hitResultHandle, m_ndkSession, ARFrame.AcquirePointCloud()));
break;
case NDKARTrackableType.Invalid:
break;
case (NDKARTrackableType)0x41520105:
break;
default:
hitResultList.Add(new ARHitResult(hitResultHandle, m_ndkSession));
break;
}
}
m_ndkSession.HitResultAdapter.DestroyList(hitResultListHandle);
}
public void HitTestArea(float[] inPoints, List <ARHitResult> hitResultList)
{
hitResultList.Clear();
if (inPoints == null || inPoints.Length == 0)
{
ARDebug.LogError("HitTestArea inPoints is empty");
return;
}
float[] tmpIn = new float[inPoints.Length];
inPoints.CopyTo(tmpIn, 0);
GCHandle unmanagedInUVHandle = GCHandle.Alloc(tmpIn, GCHandleType.Pinned);
IntPtr hitResultListHandle = m_ndkSession.HitResultAdapter.CreateList();
NDKARStatus status = NDKAPI.HwArFrame_hitTestArea(m_ndkSession.SessionHandle, m_ndkSession.FrameHandle,
unmanagedInUVHandle.AddrOfPinnedObject(), tmpIn.Length, hitResultListHandle);
unmanagedInUVHandle.Free();
if (status != NDKARStatus.HWAR_SUCCESS)
{
ARDebug.LogError("HitTestArea status is error:{}", status);
return;
}
int cntOfResult = m_ndkSession.HitResultAdapter.GetListSize(hitResultListHandle);
ARDebug.LogInfo("HitTestArea hit result count{0}", cntOfResult);
for (int i = 0; i < cntOfResult; i++)
{
//todo refactor the following code when arplaneHitResult is removed
IntPtr hitResultHandle = m_ndkSession.HitResultAdapter.AcquireListItem(hitResultListHandle, i);
IntPtr trackableHandle = m_ndkSession.HitResultAdapter.GetTrackbaleHandle(hitResultHandle);
ARDebug.LogInfo("HitTestArea hittype! {0}", m_ndkSession.TrackableAdapter.GetType(trackableHandle), i);
switch (m_ndkSession.TrackableAdapter.GetType(trackableHandle))
{
case NDKARTrackableType.Plane:
hitResultList.Add(new ARPlaneHitResult(hitResultHandle, m_ndkSession));
break;
case NDKARTrackableType.Point:
hitResultList.Add(new ARPointCloudHitResult(hitResultHandle, m_ndkSession, ARFrame.AcquirePointCloud()));
break;
case NDKARTrackableType.Invalid:
break;
case (NDKARTrackableType)0x41520105:
break;
default:
hitResultList.Add(new ARHitResult(hitResultHandle, m_ndkSession));
break;
}
}
m_ndkSession.HitResultAdapter.DestroyList(hitResultListHandle);
}