private MKeyPoint GetNearestKeyPoint(double x, double y, VectorOfKeyPoint keyFeaturesVector)
{
var width = _capture.GetCaptureProperty(CapProp.FrameWidth);
var height = _capture.GetCaptureProperty(CapProp.FrameHeight);
var point = new PointF((float)(x * width), (float)(y * height));
var result = keyFeaturesVector.Enumerable().First();
var minDistanse = double.MaxValue;
foreach (var mKeyPoint in keyFeaturesVector.Enumerable())
{
var distance = new LineSegment2DF(mKeyPoint.Point, point).Length;
if (distance < minDistanse)
{
result = mKeyPoint;
minDistanse = distance;
}
}
return(result);
}