// Updates overlay surface mesh. Returns true on success, false if the surface needs to be deleted
private bool UpdateOverlaySurface(OverlaySurfaceUpdater overlaySurface, DetectedPlane trackedSurface)
{
// check for validity
if (overlaySurface == null || trackedSurface == null)
{
return(false);
}
else if (trackedSurface.SubsumedBy != null)
{
return(false);
}
else if (trackedSurface.TrackingState != TrackingState.Tracking)
{
overlaySurface.SetEnabled(false);
return(true);
}
// enable the surface
overlaySurface.SetEnabled(true);
// estimate mesh vertices
List <Vector3> meshVertices = new List <Vector3>();
// GetBoundaryPolygon returns points in clockwise order.
trackedSurface.GetBoundaryPolygon(meshVertices);
int verticeLength = meshVertices.Count;
// surface position & rotation
Vector3 surfacePos = trackedSurface.CenterPose.position; // Vector3.zero; //
Quaternion surfaceRot = trackedSurface.CenterPose.rotation; // Quaternion.identity; //
// estimate vertices relative to the center
Quaternion invRot = Quaternion.Inverse(surfaceRot);
for (int v = verticeLength - 1; v >= 0; v--)
{
meshVertices[v] -= surfacePos;
meshVertices[v] = invRot * meshVertices[v];
if (Mathf.Abs(meshVertices[v].y) > 0.1f)
{
meshVertices.RemoveAt(v);
}
}
// estimate mesh indices
List <int> meshIndices = MultiARInterop.GetMeshIndices(meshVertices.Count);
// update the surface mesh
overlaySurface.UpdateSurfaceMesh(surfacePos, surfaceRot, meshVertices, meshIndices);
return(true);
}
// Updates overlay surface mesh. Returns true on success, false if the surface needs to be deleted
private bool UpdateOverlaySurface(OverlaySurfaceUpdater overlaySurface, ARPlaneAnchor arPlaneAnchor)
{
// check for validity
if (overlaySurface == null)
{
return(false);
}
// estimate mesh vertices & indices
overlaySurface.SetEnabled(true);
List <Vector3> meshVertices = new List <Vector3>();
// surface position & rotation
Vector3 surfacePos = UnityARMatrixOps.GetPosition(arPlaneAnchor.transform); // Vector3.zero; //
Quaternion surfaceRot = UnityARMatrixOps.GetRotation(arPlaneAnchor.transform); // Quaternion.identity; //
// add the center offset
Vector3 centerPos = arPlaneAnchor.center;
centerPos.z = -centerPos.z;
centerPos = surfaceRot * centerPos;
surfacePos += centerPos;
// Vector3 planeHalf = arPlaneAnchor.extent * 0.5f;
// meshVertices.Add(new Vector3(-planeHalf.x, planeHalf.y, planeHalf.z));
// meshVertices.Add(new Vector3(planeHalf.x, planeHalf.y, planeHalf.z));
// meshVertices.Add(new Vector3(planeHalf.x, planeHalf.y, -planeHalf.z));
// meshVertices.Add(new Vector3(-planeHalf.x, planeHalf.y, -planeHalf.z));
//
// // estimate mesh indices
// List<int> meshIndices = MultiARInterop.GetMeshIndices(meshVertices.Count);
meshVertices.AddRange(arPlaneAnchor.planeGeometry.vertices);
List <int> meshIndices = new List <int>(arPlaneAnchor.planeGeometry.triangleIndices);
// update the surface mesh
overlaySurface.UpdateSurfaceMesh(surfacePos, surfaceRot, meshVertices, meshIndices);
return(true);
}
