/// <summary>
/// Raises the webcam texture to mat helper initialized event.
/// </summary>
public void OnWebCamTextureToMatHelperInitialized()
{
Debug.Log("OnWebCamTextureToMatHelperInitialized");
Mat webCamTextureMat = webCamTextureToMatHelper.GetMat();
Mat downscaleMat = imageOptimizationHelper.GetDownScaleMat(webCamTextureMat);
texture = new Texture2D(webCamTextureMat.cols(), webCamTextureMat.rows(), TextureFormat.RGBA32, false);
OpenCVForUnity.UnityUtils.Utils.fastMatToTexture2D(webCamTextureMat, texture);
gameObject.GetComponent <Renderer>().material.mainTexture = texture;
gameObject.transform.localScale = new Vector3(webCamTextureMat.cols(), webCamTextureMat.rows(), 1);
Debug.Log("Screen.width " + Screen.width + " Screen.height " + Screen.height + " Screen.orientation " + Screen.orientation);
if (fpsMonitor != null)
{
fpsMonitor.Add("dlib shape predictor", dlibShapePredictorFileName);
fpsMonitor.Add("original_width", webCamTextureToMatHelper.GetWidth().ToString());
fpsMonitor.Add("original_height", webCamTextureToMatHelper.GetHeight().ToString());
fpsMonitor.Add("downscaleRaito", imageOptimizationHelper.downscaleRatio.ToString());
fpsMonitor.Add("frameSkippingRatio", imageOptimizationHelper.frameSkippingRatio.ToString());
fpsMonitor.Add("downscale_width", downscaleMat.width().ToString());
fpsMonitor.Add("downscale_height", downscaleMat.height().ToString());
fpsMonitor.Add("orientation", Screen.orientation.ToString());
}
float width = webCamTextureMat.width();
float height = webCamTextureMat.height();
float widthScale = (float)Screen.width / width;
float heightScale = (float)Screen.height / height;
if (widthScale < heightScale)
{
Camera.main.orthographicSize = (width * (float)Screen.height / (float)Screen.width) / 2;
}
else
{
Camera.main.orthographicSize = height / 2;
}
grayMat = new Mat(webCamTextureMat.rows(), webCamTextureMat.cols(), CvType.CV_8UC1);
detectionResult = new List <UnityEngine.Rect>();
}
// Update is called once per frame
void Update()
{
if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
{
Mat rgbaMat = webCamTextureToMatHelper.GetMat();
// detect faces on the downscale image
if (!enableSkipFrame || !imageOptimizationHelper.IsCurrentFrameSkipped())
{
Mat downScaleRgbaMat = null;
float DOWNSCALE_RATIO = 1.0f;
if (enableDownScale)
{
downScaleRgbaMat = imageOptimizationHelper.GetDownScaleMat(rgbaMat);
DOWNSCALE_RATIO = imageOptimizationHelper.downscaleRatio;
}
else
{
downScaleRgbaMat = rgbaMat;
DOWNSCALE_RATIO = 1.0f;
}
// set the downscale mat
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, downScaleRgbaMat);
//detect face rects
detectionResult = faceLandmarkDetector.Detect();
if (enableDownScale)
{
for (int i = 0; i < detectionResult.Count; ++i)
{
var rect = detectionResult[i];
detectionResult[i] = new UnityEngine.Rect(
rect.x * DOWNSCALE_RATIO,
rect.y * DOWNSCALE_RATIO,
rect.width * DOWNSCALE_RATIO,
rect.height * DOWNSCALE_RATIO);
}
}
}
List <Vector2> points = null;
if (detectionResult != null && detectionResult.Count > 0)
{
// set the original scale image
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
//detect landmark points
points = faceLandmarkDetector.DetectLandmark(detectionResult[0]);
}
if (points != null)
{
if (displayFacePoints)
{
OpenCVForUnityUtils.DrawFaceLandmark(rgbaMat, points, new Scalar(0, 255, 0, 255), 2);
}
MatOfPoint3f objectPoints = null;
bool isRightEyeOpen = false;
bool isLeftEyeOpen = false;
bool isMouthOpen = false;
if (points.Count == 68)
{
objectPoints = objectPoints68;
imagePoints.fromArray(
new Point((points[38].x + points[41].x) / 2, (points[38].y + points[41].y) / 2), //l eye (Interpupillary breadth)
new Point((points[43].x + points[46].x) / 2, (points[43].y + points[46].y) / 2), //r eye (Interpupillary breadth)
new Point(points[30].x, points[30].y), //nose (Tip)
new Point(points[33].x, points[33].y), //nose (Subnasale)
new Point(points[0].x, points[0].y), //l ear (Bitragion breadth)
new Point(points[16].x, points[16].y) //r ear (Bitragion breadth)
);
if (Mathf.Abs((float)(points[43].y - points[46].y)) > Mathf.Abs((float)(points[42].x - points[45].x)) / 5.0)
{
isRightEyeOpen = true;
}
if (Mathf.Abs((float)(points[38].y - points[41].y)) > Mathf.Abs((float)(points[39].x - points[36].x)) / 5.0)
{
isLeftEyeOpen = true;
}
float noseDistance = Mathf.Abs((float)(points[27].y - points[33].y));
float mouseDistance = Mathf.Abs((float)(points[62].y - points[66].y));
if (mouseDistance > noseDistance / 5.0)
{
isMouthOpen = true;
}
else
{
isMouthOpen = false;
}
}
else if (points.Count == 17)
{
objectPoints = objectPoints17;
imagePoints.fromArray(
new Point((points[2].x + points[3].x) / 2, (points[2].y + points[3].y) / 2), //l eye (Interpupillary breadth)
new Point((points[4].x + points[5].x) / 2, (points[4].y + points[5].y) / 2), //r eye (Interpupillary breadth)
new Point(points[0].x, points[0].y), //nose (Tip)
new Point(points[1].x, points[1].y), //nose (Subnasale)
new Point(points[6].x, points[6].y), //l ear (Bitragion breadth)
new Point(points[8].x, points[8].y) //r ear (Bitragion breadth)
);
if (Mathf.Abs((float)(points[11].y - points[12].y)) > Mathf.Abs((float)(points[4].x - points[5].x)) / 5.0)
{
isRightEyeOpen = true;
}
if (Mathf.Abs((float)(points[9].y - points[10].y)) > Mathf.Abs((float)(points[2].x - points[3].x)) / 5.0)
{
isLeftEyeOpen = true;
}
float noseDistance = Mathf.Abs((float)(points[3].y - points[1].y));
float mouseDistance = Mathf.Abs((float)(points[14].y - points[16].y));
if (mouseDistance > noseDistance / 2.0)
{
isMouthOpen = true;
}
else
{
isMouthOpen = false;
}
}
else if (points.Count == 6)
{
objectPoints = objectPoints6;
imagePoints.fromArray(
new Point((points[2].x + points[3].x) / 2, (points[2].y + points[3].y) / 2), //l eye (Interpupillary breadth)
new Point((points[4].x + points[5].x) / 2, (points[4].y + points[5].y) / 2), //r eye (Interpupillary breadth)
new Point(points[0].x, points[0].y), //nose (Tip)
new Point(points[1].x, points[1].y) //nose (Subnasale)
);
}
else if (points.Count == 5)
{
objectPoints = objectPoints5;
imagePoints.fromArray(
new Point(points[3].x, points[3].y), //l eye (Inner corner of the eye)
new Point(points[1].x, points[1].y), //r eye (Inner corner of the eye)
new Point(points[2].x, points[2].y), //l eye (Tail of the eye)
new Point(points[0].x, points[0].y), //r eye (Tail of the eye)
new Point(points[4].x, points[4].y) //nose (Subnasale)
);
if (fpsMonitor != null)
{
fpsMonitor.consoleText = "This example supports mainly the face landmark points of 68/17/6 points.";
}
}
// estimate head pose
if (rvec == null || tvec == null)
{
rvec = new Mat(3, 1, CvType.CV_64FC1);
tvec = new Mat(3, 1, CvType.CV_64FC1);
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec);
}
double tvec_x = tvec.get(0, 0)[0], tvec_y = tvec.get(1, 0)[0], tvec_z = tvec.get(2, 0)[0];
bool isNotInViewport = false;
Vector4 pos = VP * new Vector4((float)tvec_x, (float)tvec_y, (float)tvec_z, 1.0f);
if (pos.w != 0)
{
float x = pos.x / pos.w, y = pos.y / pos.w, z = pos.z / pos.w;
if (x < -1.0f || x > 1.0f || y < -1.0f || y > 1.0f || z < -1.0f || z > 1.0f)
{
isNotInViewport = true;
}
}
if (double.IsNaN(tvec_z) || isNotInViewport)
{ // if tvec is wrong data, do not use extrinsic guesses. (the estimated object is not in the camera field of view)
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec);
}
else
{
Calib3d.solvePnP(objectPoints, imagePoints, camMatrix, distCoeffs, rvec, tvec, true, Calib3d.SOLVEPNP_ITERATIVE);
}
//Debug.Log (tvec.dump());
if (!isNotInViewport)
{
if (displayHead)
{
head.SetActive(true);
}
if (displayAxes)
{
axes.SetActive(true);
}
if (displayEffects)
{
rightEye.SetActive(isRightEyeOpen);
leftEye.SetActive(isLeftEyeOpen);
if (isMouthOpen)
{
mouth.SetActive(true);
foreach (ParticleSystem ps in mouthParticleSystem)
{
var em = ps.emission;
em.enabled = true;
#if UNITY_5_5_OR_NEWER
var main = ps.main;
main.startSizeMultiplier = 20;
#else
ps.startSize = 20;
#endif
}
}
else
{
foreach (ParticleSystem ps in mouthParticleSystem)
{
var em = ps.emission;
em.enabled = false;
}
}
}
// Convert to unity pose data.
double[] rvecArr = new double[3];
rvec.get(0, 0, rvecArr);
double[] tvecArr = new double[3];
tvec.get(0, 0, tvecArr);
PoseData poseData = ARUtils.ConvertRvecTvecToPoseData(rvecArr, tvecArr);
// Changes in pos/rot below these thresholds are ignored.
if (enableLowPassFilter)
{
ARUtils.LowpassPoseData(ref oldPoseData, ref poseData, positionLowPass, rotationLowPass);
}
oldPoseData = poseData;
// Create transform matrix.
transformationM = Matrix4x4.TRS(poseData.pos, poseData.rot, Vector3.one);
}
// right-handed coordinates system (OpenCV) to left-handed one (Unity)
// https://stackoverflow.com/questions/30234945/change-handedness-of-a-row-major-4x4-transformation-matrix
ARM = invertYM * transformationM * invertYM;
// Apply Y-axis and Z-axis refletion matrix. (Adjust the posture of the AR object)
ARM = ARM * invertYM * invertZM;
if (shouldMoveARCamera)
{
ARM = ARGameObject.transform.localToWorldMatrix * ARM.inverse;
ARUtils.SetTransformFromMatrix(ARCamera.transform, ref ARM);
}
else
{
ARM = ARCamera.transform.localToWorldMatrix * ARM;
ARUtils.SetTransformFromMatrix(ARGameObject.transform, ref ARM);
}
}
//Imgproc.putText (rgbaMat, "W:" + rgbaMat.width () + " H:" + rgbaMat.height () + " SO:" + Screen.orientation, new Point (5, rgbaMat.rows () - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 1, Imgproc.LINE_AA, false);
OpenCVForUnity.UnityUtils.Utils.fastMatToTexture2D(rgbaMat, texture);
}
}