internal ParabolaProperty(IArcSegment3D parabolicArc)
{
Matrix = new Matrix44();
IsValid = CalculateParabolaProperty(parabolicArc);
if (!IsValid)
{
var seg = new ArcSegment3D(parabolicArc.StartPoint, parabolicArc.IntermedPoint, parabolicArc.EndPoint);
ParabolaLength = GeomOperation.GetLength(seg);
}
}
/// <summary>
/// Remove segment[index], adaptes geometry so that shorter segment changes positions
/// </summary>
/// <param name="index">Segment index</param>
public void RemoveAtAdaptShorter(int index)
{
int segmentCount = segments.Count;
if (index == -1)
{
throw new ArgumentException("Segment is not included in polyline");
}
bool isClosed = IsClosed;
//if (isClosed || !(index == 0) || !(index == segmentCount - 1))
if (isClosed || ((index != 0) && (index != segmentCount - 1)))
{
if (segmentCount > 2)
{
ISegment3D prevSegment;
ISegment3D nextSegment;
if (index == 0)
{
prevSegment = segments[segmentCount - 1];
nextSegment = segments[1];
}
else if (index == segmentCount - 1)
{
prevSegment = segments[index - 1];
nextSegment = segments[0];
}
else
{
prevSegment = segments[index - 1];
nextSegment = segments[index + 1];
}
double prevLength = GeomOperation.GetLength(prevSegment);
double nextLength = GeomOperation.GetLength(nextSegment);
if (prevLength < nextLength)
{
prevSegment.EndPoint = nextSegment.StartPoint;
}
else
{
nextSegment.StartPoint = prevSegment.EndPoint;
}
}
}
UnsubscribeEventsFromSegment(segments[index]);
segments.RemoveAt(index);
}