// performs face detection
private IEnumerator DoFaceDetection()
{
// get the image to detect
Face[] faces = null;
Texture2D texCamShot = null;
if (cameraShot)
{
texCamShot = (Texture2D)cameraShot.texture;
SetHintText("Wait...");
}
// get the face manager instance
CloudFaceManager faceManager = CloudFaceManager.Instance;
if (!faceManager)
{
SetHintText("Check if the FaceManager component exists in the scene.");
}
else if (texCamShot)
{
byte[] imageBytes = texCamShot.EncodeToJPG();
yield return(null);
//faces = faceManager.DetectFaces(texCamShot);
AsyncTask <Face[]> taskFace = new AsyncTask <Face[]>(() => {
return(faceManager.DetectFaces(imageBytes));
});
taskFace.Start();
yield return(null);
while (taskFace.State == TaskState.Running)
{
yield return(null);
}
if (string.IsNullOrEmpty(taskFace.ErrorMessage))
{
faces = taskFace.Result;
if (faces != null && faces.Length > 0)
{
// stick to detected face rectangles
FaceRectangle[] faceRects = new FaceRectangle[faces.Length];
for (int i = 0; i < faces.Length; i++)
{
faceRects[i] = faces[i].faceRectangle;
}
yield return(null);
// get the emotions of the faces
if (recognizeEmotions)
{
//Emotion[] emotions = faceManager.RecognizeEmotions(texCamShot, faceRects);
AsyncTask <Emotion[]> taskEmot = new AsyncTask <Emotion[]>(() => {
return(faceManager.RecognizeEmotions(imageBytes, faceRects));
});
taskEmot.Start();
yield return(null);
while (taskEmot.State == TaskState.Running)
{
yield return(null);
}
if (string.IsNullOrEmpty(taskEmot.ErrorMessage))
{
Emotion[] emotions = taskEmot.Result;
int matched = faceManager.MatchEmotionsToFaces(ref faces, ref emotions);
if (matched != faces.Length)
{
Debug.Log(string.Format("Matched {0}/{1} emotions to {2} faces.", matched, emotions.Length, faces.Length));
}
}
else
{
SetHintText(taskEmot.ErrorMessage);
}
}
CloudFaceManager.DrawFaceRects(texCamShot, faces, FaceDetectionUtils.FaceColors);
//SetHintText("Click on the camera image to make a shot");
SetHintText(hintMessage);
SetResultText(faces);
}
else
{
SetHintText("No face(s) detected.");
}
}
else
{
SetHintText(taskFace.ErrorMessage);
}
}
yield return(null);
}