public void Process(IplImage frame)
{
if (UpdateColorsEachFrame)
{
_cvScalarFrom = UnityCvUtils.ColorToBGRScalar(ThreshFromColor);
_cvScalarTo = UnityCvUtils.ColorToBGRScalar(ThreshToColor);
}
var imgThresh = GetThresholdedImage(frame, _cvScalarFrom, _cvScalarTo);
CvMoments moments;
Cv.Moments(imgThresh, out moments, true);
var moment10 = Cv.GetSpatialMoment(moments, 1, 0);
var moment01 = Cv.GetSpatialMoment(moments, 0, 1);
var area = Cv.GetSpatialMoment(moments, 0, 0);
ColorPosition = new Vector2((float)(moment10 / area), (float)(moment01 / area));
ColorPosition.Scale(new Vector2((float)Screen.width / frame.Width,
(float)Screen.height / frame.Height));
ColorPosition -= new Vector2(Screen.width, Screen.height) * .5f;
Cv.ReleaseImage(imgThresh);
}
public void Awake()
{
UnityCvBase.Init(WebCamTexture.devices[0].name, RequestedWidth, RequestedHeight, RequestedFps, ImagesDepth);
TargetRenderer.sharedMaterial.mainTexture = UnityCvBase.WebCamTexture;
Camera.main.orthographicSize = Screen.height / 2f;
var tr = TargetRenderer.transform;
tr.localScale = new Vector3(Screen.width, Screen.height);
_cvScalarFrom = UnityCvUtils.ColorToBGRScalar(ThreshFromColor);
_cvScalarTo = UnityCvUtils.ColorToBGRScalar(ThreshToColor);
if (FollowerPrefab)
{
_dummyTransform = ((GameObject)Instantiate(FollowerPrefab)).transform;
}
if (ShowThresholdedImage)
{
Cv.NamedWindow("Threshold", WindowMode.FreeRatio);
}
WebCamTextureProxy.OnFrameReady += Process;
}