void Update()
{
// start Kinect face tracker as needed
if (!facetrackingInitialized)
{
StartFacetracker();
if (!facetrackingInitialized)
{
Application.Quit();
return;
}
}
if (facetrackingInitialized)
{
// update the face tracker
int rc = FacetrackingWrapper.UpdateFaceTracking();
if (rc >= 0)
{
// poll the video frame as needed
if (computeColorMap)
{
if (FacetrackingWrapper.PollVideo(ref videoBuffer, ref colorImage))
{
usersClrTex.SetPixels32(colorImage);
usersClrTex.Apply();
}
}
// estimate the tracking state
isTrackingFace = FacetrackingWrapper.IsFaceTracked();
faceTrackingID = FacetrackingWrapper.GetFaceTrackingID();
Debug.Log(isTrackingFace);
// get the facetracking parameters
if (isTrackingFace)
{
lastFaceTrackedTime = Time.realtimeSinceStartup;
// get face rectangle
bool bGotFaceRect = FacetrackingWrapper.GetFaceRect(ref faceRect);
// get head position and rotation
Vector4 vHeadPos = Vector4.zero, vHeadRot = Vector4.zero;
if (FacetrackingWrapper.GetHeadPosition(ref vHeadPos))
{
headPos = (Vector3)vHeadPos;
if (!mirroredHeadMovement)
{
headPos.z = -headPos.z;
}
}
if (FacetrackingWrapper.GetHeadRotation(ref vHeadRot))
{
if (mirroredHeadMovement)
{
vHeadRot.x = -vHeadRot.x;
vHeadRot.z = -vHeadRot.z;
}
else
{
vHeadRot.x = -vHeadRot.x;
vHeadRot.y = -vHeadRot.y;
}
headRot = Quaternion.Euler((Vector3)vHeadRot);
}
// get the animation units
bGotAU = false;
int iNumAU = FacetrackingWrapper.GetAnimUnitsCount();
if (iNumAU > 0)
{
if (afAU == null || afAU.Length == 0)
{
afAU = new float[iNumAU];
}
if (afAU != null && afAU.Length > 0)
{
bGotAU = FacetrackingWrapper.GetAnimUnits(ref afAU);
}
}
// get the shape units
//isConverged = FacetrackingWrapper.IsShapeConverged();
bGotSU = false;
int iNumSU = FacetrackingWrapper.GetShapeUnitsCount();
if (iNumSU > 0)
{
if (afSU == null || afSU.Length == 0)
{
afSU = new float[iNumSU];
}
if (afSU != null && afSU.Length > 0)
{
bGotSU = FacetrackingWrapper.GetShapeUnits(ref afSU);
}
}
// get the shape points
bGotShapePoints = false;
int iNumPoints = FacetrackingWrapper.GetShapePointsCount();
if (iNumPoints > 0)
{
if (avShapePoints == null || avShapePoints.Length == 0)
{
avShapePoints = new Vector2[iNumPoints];
}
if (avShapePoints != null || avShapePoints.Length > 0)
{
bGotShapePoints = FacetrackingWrapper.GetShapePoints(ref avShapePoints);
}
}
// get the 3D model points
bGotFaceModelPoints = false;
int iFaceModelVertexCount = FacetrackingWrapper.GetFaceModelVerticesCount();
if (iFaceModelVertexCount > 0)
{
if (avFaceModelTriangles == null || avFaceModelTriangles.Length == 0)
{
int iFaceModelTrianglesCount = FacetrackingWrapper.GetFaceModelTrianglesCount();
avFaceModelTriangles = new int[iFaceModelTrianglesCount];
FacetrackingWrapper.GetFaceModelTriangles(mirroredHeadMovement, ref avFaceModelTriangles);
}
if (avFaceModelPoints == null || avFaceModelPoints.Length == 0)
{
avFaceModelPoints = new Vector3[iFaceModelVertexCount];
}
if (avFaceModelPoints != null && avFaceModelPoints.Length > 0)
{
bGotFaceModelPoints = FacetrackingWrapper.GetFaceModelVertices(ref avFaceModelPoints);
}
}
if (computeColorMap)
{
if (displayFaceRect && bGotFaceRect)
{
DrawFacetrackerRect(usersClrTex, !visualizeFacetracker);
}
if (visualizeFacetracker && bGotShapePoints)
{
DrawFacetrackerLines(usersClrTex, avShapePoints, true);
}
}
}
else if ((Time.realtimeSinceStartup - lastFaceTrackedTime) <= faceTrackingTolerance)
{
// allow tolerance in tracking
isTrackingFace = true;
}
}
}
}
