public Point GetPoint(double length, double segmentLength)
{
if (length < 0 || length > Length)
{
throw new ArgumentOutOfRangeException();
}
if (_isReverse)
{
length = Length - length;
}
var parameter = GraphicHelper.GetParameter(_degree, _controlPoints, _knots, _weights, _startParameter, length, _length, segmentLength);
return(GraphicHelper.ComputePoint(_degree, _knots, _controlPoints, _weights, parameter));
}
private void _Init()
{
_length = GraphicHelper.ComputeArcLength(_degree, _knots, _controlPoints, _weights, _startParameter, _endParameter, 0.1);
_start = GraphicHelper.ComputePoint(_degree, _knots, _controlPoints, _weights, _startParameter);
_end = GraphicHelper.ComputePoint(_degree, _knots, _controlPoints, _weights, _endParameter);
}