internal SimpleEdge()
{
m_value = -1;
m_line = new com.epl.geometry.Line();
m_dxdy = 55555555;
m_b_horizontal = false;
m_b_curve = false;
m_env = new com.epl.geometry.Envelope1D();
m_env.SetCoordsNoNaN_(0, 0);
}
protected internal virtual int CompareVertex_(com.epl.geometry.Treap treap, int node, int vertex)
{
bool bCurve = m_shape.GetSegment(vertex) != null;
if (!bCurve)
{
m_shape.QueryLineConnector(vertex, m_line_1);
m_env.SetCoordsNoNaN_(m_line_1.GetStartX(), m_line_1.GetEndX());
}
if (bCurve)
{
throw new com.epl.geometry.GeometryException("not implemented");
}
if (m_point_of_interest.x + m_tolerance < m_env.vmin)
{
return(-1);
}
if (m_point_of_interest.x - m_tolerance > m_env.vmax)
{
return(1);
}
if (m_line_1.GetStartY() == m_line_1.GetEndY())
{
m_current_node = node;
m_b_intersection_detected = true;
return(0);
}
m_line_1.OrientBottomUp_();
com.epl.geometry.Point2D start = m_line_1.GetStartXY();
com.epl.geometry.Point2D vector = new com.epl.geometry.Point2D();
vector.Sub(m_line_1.GetEndXY(), start);
vector.RightPerpendicular();
com.epl.geometry.Point2D v_2 = new com.epl.geometry.Point2D();
v_2.Sub(m_point_of_interest, start);
double dot = vector.DotProduct(v_2);
dot /= vector.Length();
if (dot < -m_tolerance * 10)
{
return(-1);
}
if (dot > m_tolerance * 10)
{
return(1);
}
if (m_line_1.IsIntersecting(m_point_of_interest, m_tolerance))
{
double absDot = System.Math.Abs(dot);
if (absDot < m_min_dist)
{
m_current_node = node;
m_min_dist = absDot;
}
m_b_intersection_detected = true;
if (absDot < 0.25 * m_tolerance)
{
return(0);
}
}
return(dot < 0 ? -1 : 1);
}