public void UnsubscribeToExpression(MRFaceExpression expression, Action <float> engaged, Action <float> disengaged)
{
var expressionActions = m_ExpressionActionsMap[expression];
expressionActions.Engaged -= engaged;
expressionActions.Disengaged -= disengaged;
}
void OnExpressionDisengaged(MRFaceExpression expression, float coefficient)
{
m_FaceExpressionEvents.Add(new FaceExpressionDataEvent
{
Time = GetCurrentTime(),
Expression = expression,
Coefficient = coefficient,
Engaged = false
});
}
protected ARFoundationFaceExpression(MRFaceExpression name)
{
m_Name = name;
var index = (int)name;
var settings = ARFoundationFaceExpressionSettings.instance;
m_Threshold = settings.thresholds[index];
m_SmoothingFilter = settings.expressionChangeSmoothingFilter;
m_EventCooldownInSeconds = settings.eventCooldownInSeconds;
}
public static FacialExpressionsRecording Create(SignalTrack faceExpressionEventsTrack, MRFaceExpression[] expressionEnumValues)
{
var recording = CreateInstance <FacialExpressionsRecording>();
recording.m_SignalTrack = faceExpressionEventsTrack;
var expressionEnumValuesCopy = new MRFaceExpression[expressionEnumValues.Length];
expressionEnumValues.CopyTo(expressionEnumValuesCopy, 0);
recording.m_ExpressionEnumValues = expressionEnumValuesCopy;
return(recording);
}
public static void UnsubscribeToExpression(MRFaceExpression name, Action<float> engaged, Action<float> disengaged)
{
if (k_Expressions.TryGetValue(name, out var expression))
{
if (engaged != null)
expression.Engaged -= engaged;
if (disengaged != null)
expression.Disengaged -= disengaged;
}
}
// For the basic use case of 1:1 relation between ARKit blendshape and MRFaceExpression,
// provide the ARKit blendshape name here & GetCoefficient will be handled for you
public ARKitFaceExpression(MRFaceExpression name, string blendshapeLocation = null)
{
m_Name = name;
var index = (int)name;
var settings = ARKitFacialExpressionSettings.instance;
m_Threshold = settings.thresholds[index];
m_SmoothingFilter = settings.expressionChangeSmoothingFilter;
m_EventCooldownInSeconds = settings.eventCooldownInSeconds;
m_BlendshapeLocation = blendshapeLocation;
}
public void SetData(FaceExpressionDataEvent expressionEvent)
{
var expression = expressionEvent.Expression;
var engaged = expressionEvent.Engaged;
m_Expression = expression;
m_Coefficient = expressionEvent.Coefficient;
m_Engaged = engaged;
var engagedString = engaged ? "Engaged" : "Disengaged";
name = $"{expression} {engagedString}";
}
internal static void SubscribeToExpression(MRFaceExpression name, Action <float> engaged, Action <float> disengaged)
{
if (k_Expressions.TryGetValue(name, out var expression))
{
if (engaged != null)
{
expression.Engaged += engaged;
}
if (disengaged != null)
{
expression.Disengaged += disengaged;
}
}
}
public static FaceTrackingRecording Create(SignalTrack faceEventsTrack, int maxFaceCount,
MRFaceLandmark[] landmarkEnumValues, MRFaceExpression[] expressionEnumValues)
{
var recording = CreateInstance <FaceTrackingRecording>();
recording.m_SignalTrack = faceEventsTrack;
recording.m_MaxFaceCount = maxFaceCount;
var landmarkEnumValuesCopy = new MRFaceLandmark[landmarkEnumValues.Length];
landmarkEnumValues.CopyTo(landmarkEnumValuesCopy, 0);
recording.m_LandmarkEnumValues = landmarkEnumValuesCopy;
var expressionEnumValuesCopy = new MRFaceExpression[expressionEnumValues.Length];
expressionEnumValues.CopyTo(expressionEnumValuesCopy, 0);
recording.m_ExpressionEnumValues = expressionEnumValuesCopy;
return(recording);
}
/// <summary>
/// Unsubscribe from the facial expression
/// </summary>
public static void UnsubscribeToExpression(this IUsesFacialExpressions obj, MRFaceExpression expression, Action <float> onEngage, Action <float> onDisengage = null)
{
obj.provider.UnsubscribeToExpression(expression, onEngage, onDisengage);
}
public void UnsubscribeToExpression(MRFaceExpression expression, Action <float> engaged, Action <float> disengaged)
{
}
