// a quick fix for some false movements detected during tracking
private void FixFalseMovement()
{
// fix for: false rotation while smiling
smile_left = Tracker.GetActionUnit("au_lip_stretcher_left");
smile_right = Tracker.GetActionUnit("au_lip_stretcher_right");
rotationFixScale = Mathf.Clamp01((Tracker.Rotation.x + 17f) / 34f);
if (smile_left != null && smile_left.Value > 0)
{
Tracker.Rotation.x -= falseRotationValue * smile_left.Value * rotationFixScale;
}
if (smile_right != null && smile_right.Value > 0)
{
Tracker.Rotation.x -= falseRotationValue * smile_right.Value * rotationFixScale;
}
// fix for: false translation while raising eyebrows
brow_left = Tracker.GetActionUnit("au_left_outer_brow_raiser");
brow_right = Tracker.GetActionUnit("au_right_outer_brow_raiser");
Tracker.Translation.z += falseTranslationValue * Mathf.Clamp01((brow_left.Value + brow_right.Value - 0.1f) / 0.3f);
}
void Update()
{
if (Tracker == null)
{
return;
}
if (!Initialized)
{
data = Tracker.GetActionUnit(ActionUnitName);
}
else
{
Value = data.Value;
NormalizedValue = (data.Value - Limits.x) / (Limits.y - Limits.x);
NormalizedValue = Mathf.Clamp01(NormalizedValue);
if (Inverted)
{
NormalizedValue = 1f - NormalizedValue;
}
// push back normalized history
for (int i = 1; i < FilterWindowSize; i++)
{
normalizedValueHistory[i - 1] = normalizedValueHistory[i];
}
// add normalized value to history
normalizedValueHistory[FilterWindowSize - 1] = NormalizedValue;
// filter value
FilteredValue = Filter(NormalizedValue);
// apply to all targets
foreach (ActionUnitBindingTarget target in Targets)
{
if (target.BlendshapeIndex >= 0 && target.Weight >= 0f)
{
target.Renderer.SetBlendShapeWeight(target.BlendshapeIndex, FilteredValue * Weight * target.Weight * 100f);
}
}
}
}
void OnRenderObject()
{
float scale = DesiredScreenWidth * Screen.width / Tracker.ImageWidth;
Width = DesiredScreenWidth * Screen.width;
Height = Tracker.ImageHeight * scale;
if (Tracker.TrackerStatus != TrackStatus.Off)
{
if (Tracker.Frame != null && Camera.current != Camera.main)
{
Rect rect = new Rect(Offset.x, Screen.height - Offset.y, Width, -Height);
GL.PushMatrix();
GL.LoadPixelMatrix();
#if UNITY_ANDROID
Graphics.DrawTexture(rect, Tracker.Frame, new Rect(0f, (float)Tracker.ImageHeight / Tracker.TexHeight, (float)Tracker.ImageWidth / Tracker.TexWidth, -(float)Tracker.ImageHeight / Tracker.TexHeight), 0, 0, 0, 0);
#else
Graphics.DrawTexture(rect, Tracker.Frame, new Rect(0f, (float)Tracker.ImageHeight / Tracker.TexHeight, (float)Tracker.ImageWidth / Tracker.TexWidth, -(float)Tracker.ImageHeight / Tracker.TexHeight), 0, 0, 0, 0, BGRMaterial);
#endif
GL.PopMatrix();
}
}
if (Tracker.TrackerStatus != TrackStatus.Ok || !PreviewResults)
{
return;
}
// get chin points
float[] chinPoints = GetFeaturePoints(new int[] {
2, 14,
2, 12,
2, 1,
2, 11,
2, 13,
});
// draw chin
DrawFeatureLines(chinPoints, Color.green);
// get inner lip points
float[] innerLipPoints = GetFeaturePoints(new int[] {
2, 2,
2, 6,
2, 4,
2, 8,
2, 3,
2, 9,
2, 5,
2, 7,
2, 2,
});
// draw inner lip
DrawFeatureLines(innerLipPoints, Color.green);
// get outer lip
float[] outerLipPoints = GetFeaturePoints(new int[] {
8, 1,
8, 10,
8, 5,
8, 3,
8, 7,
8, 2,
8, 8,
8, 4,
8, 6,
8, 9,
8, 1,
});
// draw outer lip
DrawFeatureLines(outerLipPoints, Color.green);
// get nose part one lines
float[] nose1Points = GetFeaturePoints(new int[] {
9, 15,
9, 4,
9, 2,
9, 3,
9, 1,
9, 5,
9, 15,
});
// get nose part two lines
float[] nose2Points = GetFeaturePoints(new int[] {
9, 6,
9, 7,
9, 13,
9, 12,
9, 14,
9, 6,
});
// get nose part three lines
float[] nose3Points = GetFeaturePoints(new int[] {
9, 14,
9, 2,
9, 13,
9, 1,
});
// draw nose
DrawFeatureLines(nose1Points, Color.green);
DrawFeatureLines(nose2Points, Color.green);
DrawFeatureLines(nose3Points, Color.green);
// get eye part one lines
float[] eye1Points = GetFeaturePoints(new int[] {
3, 12,
3, 14,
3, 8,
3, 10,
3, 12,
});
// get eye part three lines
float[] eye3Points = GetFeaturePoints(new int[] {
3, 11,
3, 13,
3, 7,
3, 9,
3, 11,
});
// draw eyes
Color leyeColor = Color.red;
if (Tracker.GetActionUnit("au_leye_closed").Value < 0.3)
{
leyeColor = Color.green;
float[] lIrisPoint = GetFeaturePoints(new int[] {
3, 5,
});
DrawFeaturePoints(lIrisPoint, Color.white);
}
Color reyeColor = Color.red;
if (Tracker.GetActionUnit("au_reye_closed").Value < 0.3)
{
reyeColor = Color.green;
float[] rIrisPoint = GetFeaturePoints(new int[] {
3, 6,
});
DrawFeaturePoints(rIrisPoint, Color.white);
}
DrawFeatureLines(eye3Points, reyeColor);
DrawFeatureLines(eye1Points, leyeColor);
// draw gaze
// get eyebrows
float[] eyebrowPoints = GetFeaturePoints(new int[] {
4, 1,
4, 2,
4, 3,
4, 4,
4, 5,
4, 6,
});
float[] eyebrowLine1Points = GetFeaturePoints(new int[] {
4, 6,
4, 4,
4, 4,
4, 2,
});
float[] eyebrowLine2Points = GetFeaturePoints(new int[] {
4, 1,
4, 3,
4, 3,
4, 5,
});
// draw eyebrows
DrawFeaturePoints(eyebrowPoints, Color.green);
DrawFeatureLines(eyebrowLine1Points, Color.green);
DrawFeatureLines(eyebrowLine2Points, Color.green);
// get hair points
float[] hairPoints = GetFeaturePoints(new int[] {
11, 2,
11, 1,
11, 1,
11, 3,
});
// draw hair
DrawFeatureLines(hairPoints, Color.green);
}