// By gravity we mean the force that will pull the mask back to its neutral state.
private void InitializeGravity()
{
_isInitialized = false;
_gravityStartTime = Time.time;
_startGravityAu = _animUnits;
_startGravityPos = _position;
_startGravityRot = _rotation;
}
public static AnimationUnits operator +(AnimationUnits first, AnimationUnits second)
{
var animUnits = new AnimationUnits();
animUnits.Au012 = first.Au012 + second.Au012;
animUnits.Au345 = first.Au345 + second.Au345;
return(animUnits);
}
// AU3
private float MapBrowLowererValue(AnimationUnits animUnits)
{
if (animUnits.OuterBrowRaiser > 0f)
{
return(Mathf.Clamp(animUnits.BrowLowerer - animUnits.OuterBrowRaiser, -1f, 1.7f));
}
return(Mathf.Clamp(animUnits.BrowLowerer - 3 * animUnits.OuterBrowRaiser, -1f, 1.7f));
}
void ProcessFaceTrackingData(float au0, float au1, float au2, float au3, float au4, float au5, float posX, float posY, float posZ, float rotX, float rotY, float rotZ)
{
_hasNewData = true;
var animUnits = new AnimationUnits(au0, au1, au2, au3, au4, au5);
_position = new Vector3(posX, posY, posZ);
_rotation = new Vector3(rotX, rotY, rotZ);
// We amplify the position to exagerate the head movements.
_position *= 10;
SetCurrentAUs(animUnits);
}
private void ApplyGravityToParams()
{
float time = Mathf.Clamp01((Time.time - _gravityStartTime) / TimeToReturnToDefault);
_position = Vector3.Lerp(_startGravityPos, _userInitialPosition, time);
_rotation = Vector3.Lerp(_startGravityRot, new Vector3(0, 0, 0), time);
var animUnits = new AnimationUnits();
animUnits.Au012 = Vector3.Lerp(_startGravityAu.Au012, Vector3.zero, time);
animUnits.Au345 = Vector3.Lerp(_startGravityAu.Au345, Vector3.zero, time);
SetCurrentAUs(animUnits);
}
// Perform random faces automatically to fill the gaps whenever we do not have any input data from kinect.
private void ManipulateMaskAutomatically()
{
CurrentMode = TrackingMode.ComputerControlled;
_waitTimer -= Time.deltaTime;
if (_waitTimer > 0)
{
return;
}
_waitTimer = 3f;
_rotation = new Vector3(Random.Range(-10f, 10f), Random.Range(-10f, 10f), Random.Range(-10f, 10f));
_targetAnimUnits = new AnimationUnits(Random.Range(-1f, 1f), Random.Range(-1f, 1f), Random.Range(-1f, 1f),
Random.Range(-1f, 1f), Random.Range(-1f, 1f), Random.Range(-1f, 1f));
}
private void SetCurrentAUs(AnimationUnits animUnits)
{
const float weight = 0.8f;
for (int i = 0; i < 6; i++)
{
_accAu[i] = animUnits[i] * weight + _accAu[i] * (1 - weight);
}
animUnits = _accAu;
_targetAnimUnits.LipRaiser = MapLipRaiserValue(animUnits.LipRaiser);
_targetAnimUnits.JawLowerer = MapJawLowererValue(animUnits.JawLowerer);
_targetAnimUnits.LipStretcher = MapLipStretcherValue(animUnits.LipStretcher);
_targetAnimUnits.BrowLowerer = MapBrowLowererValue(animUnits);
_targetAnimUnits.LipCornerDepressor = MapLipCornerDepressorValue(animUnits.LipCornerDepressor);
_targetAnimUnits.OuterBrowRaiser = MapOuterBrowRaiserValue(animUnits.OuterBrowRaiser);
}
