private void GetValue(IEnumerable <LineSegment2D> lines, PointF endPoint, LineSegment2D[] previousLines, LineSegment2D?targetLine, ref LineSegment2D?nextLine)
{
const double minDistanceThreshold = 20;
double minDistanceToEnd = double.MaxValue;
nextLine = null;
//targetPoint = null;
foreach (var line in lines)
{
if (previousLines.Contains(line))
{
continue;
}
if (line.P1 == targetLine.Value.P1 && line.P2 == targetLine.Value.P2)
{
continue;
}
double dist1 = MathExtension.FindDistanceBetweenSegments(targetLine.Value.P1, targetLine.Value.P2, line.P1, line.P2);
double minDistToEnd = MathExtension.FindDistanceToSegment(endPoint, line.P1, line.P2); //.FindDistanceBetweenSegments(line.P1, line.P2, endLine.P1, endLine.P2);
double currentDistToEnd = MathExtension.FindDistanceToSegment(endPoint, targetLine.Value.P1, targetLine.Value.P2); //.FindDistanceBetweenSegments(targetLine.Value.P1, targetLine.Value.P2, endLine.P1, endLine.P2);
if (dist1 < minDistanceThreshold && minDistToEnd < currentDistToEnd && minDistToEnd < minDistanceToEnd)
{
minDistanceToEnd = minDistToEnd;
nextLine = line;
}
}
}