public static Vector GetFacePoint(int facePoint)
{
Rotation orientation = GetFaceOrientationRaw();
Vector facePointPosition = Rotation.Inverse(orientation) * faceGeometry[facePoint];
return(facePointPosition);
}
public static Vector GetFacePoint(FaceBone faceBone)
{
Rotation orientation = GetFaceOrientationRaw();
int facePoint = faceBoneIndex[(int)faceBone];
Vector facePointPosition = Rotation.Inverse(orientation) * faceGeometry[facePoint] + faceBias[(int)faceBone];
return(facePointPosition);
}
public static Vector GetNeckLocalFacePoint(int facePoint)
{
Rotation faceOrientation = Rotation.AngleAxis(180, Vector.up) * GetFaceOrientation();
Vector faceTargetPosition = ToWorldPosition(GetFacePosition());
Vector worldFacePoint = ToWorldPosition(GetFacePoint(facePoint));
Vector neckLocalFacePoint = worldFacePoint + faceTargetPosition;
neckLocalFacePoint = Rotation.Inverse(faceOrientation) * neckLocalFacePoint;
return(neckLocalFacePoint);
}
public static Rotation GetFacePointOrientation(FaceBone facePoint)
{
Rotation faceOrientation = GetFaceOrientation();
Vector facePosition = GetFacePosition();
Vector worldFacePoint = GetFaceWorldPoint(facePoint);
Vector neckLocalFacePoint = worldFacePoint + facePosition;
Rotation facePointOrientation = Rotation_.FromToRotation(Vector.forward, neckLocalFacePoint);
facePointOrientation = Rotation.Inverse(faceOrientation) * facePointOrientation;
return(facePointOrientation);
}
private static Vector GetFacePointRaw(FaceBone faceBone)
{
int facePoint = faceBoneIndex[(int)faceBone];
if (facePoint < 0)
{
return(Vector.zero);
}
Rotation orientation = GetFaceOrientationRaw();
Vector facePointPosition = Rotation.Inverse(orientation) * faceGeometry[facePoint];
return(facePointPosition);
}