private void RefreshActionUnits()
{
// initialize action units
if (ActionUnitCount == 0)
{
ActionUnitCount = VisageTrackerNative._getActionUnitCount();
ActionUnits = new ActionUnitData[ActionUnitCount];
for (int actionUnitIndex = 0; actionUnitIndex < ActionUnitCount; actionUnitIndex++)
{
string name = Marshal.PtrToStringAnsi(VisageTrackerNative._getActionUnitName(actionUnitIndex));
bool used = VisageTrackerNative._getActionUnitUsed(actionUnitIndex);
ActionUnitData actionUnitData = new ActionUnitData(actionUnitIndex, name, used);
ActionUnits [actionUnitIndex] = actionUnitData;
}
}
// get action unit values
if (ActionUnitCount > 0)
{
float[] values = new float[ActionUnitCount];
VisageTrackerNative._getActionUnitValues(values);
for (int actionUnitIndex = 0; actionUnitIndex < ActionUnitCount; actionUnitIndex++)
{
ActionUnits [actionUnitIndex].Value = values [actionUnitIndex];
}
}
}
void Update()
{
#if (UNITY_IPHONE || UNITY_ANDROID) && UNITY_EDITOR
// no tracking on ios while in editor
return;
#endif
if (masterTrackingController.CurrentTracker != 0)
{
return;
}
if (isTracking)
{
// find device orientation
currentOrientation = GetDeviceOrientation();
// check if orientation or camera device changed
if (currentOrientation != Orientation || currentDevice != device)
{
OpenCamera(currentOrientation, currentDevice, defaultCameraWidth, defaultCameraHeight, isMirrored);
Orientation = currentOrientation;
device = currentDevice;
texture = null;
}
// grab current frame and start face tracking
VisageTrackerNative._grabFrame();
TrackerStatus = VisageTrackerNative._track();
// update tracker status and translation and rotation
VisageTrackerNative._get3DData(out Translation.x, out Translation.y, out Translation.z, out Rotation.x, out Rotation.y, out Rotation.z);
this.transform.position = Translation;
this.transform.rotation = Quaternion.Euler(Rotation);
VisageTrackerNative._getCameraInfo(out Focus, out ImageWidth, out ImageHeight);
float aspect = ImageWidth / (float)ImageHeight;
float yRange = (ImageWidth > ImageHeight) ? 1.0f : 1.0f / aspect;
Camera.main.fieldOfView = Mathf.Rad2Deg * 2.0f * Mathf.Atan(yRange / Focus);
VisageTrackerNative._getFaceModel(out VertexNumber, vertices, out TriangleNumber, triangles, texCoords);
// vertices
if (Vertices.Length != VertexNumber)
{
Vertices = new Vector3[VertexNumber];
}
for (int i = 0; i < VertexNumber; i++)
{
Vertices [i] = new Vector3(vertices [i * 3 + 0], vertices [i * 3 + 1], vertices [i * 3 + 2]);
}
// triangles
if (Triangles.Length != TriangleNumber)
{
Triangles = new int[TriangleNumber * 3];
}
for (int i = 0; i < TriangleNumber * 3; i++)
{
Triangles [i] = triangles [i];
}
// tex coords
if (TexCoords.Length != VertexNumber)
{
TexCoords = new Vector2[VertexNumber];
}
for (int i = 0; i < VertexNumber; i++)
{
TexCoords[i] = new Vector2(modelTexCoords[i].x, modelTexCoords[i].y); //new Vector2 (texCoords [i * 2 + 0], texCoords [i * 2 + 1]);
}
// action unit values
VisageTrackerNative._getActionUnitValues(values);
ActionUnitValues = values;
}
RefreshImage();
meshFilter.mesh.Clear();
}
