Method edgeVector

src/utilities/floorspace/FSModel.cpp:815–819

}

Vector3d FSEdge::edgeVector() const {
  Point3d pt1(m_vertices[0].x(), m_vertices[0].y(), 0);
  Point3d pt2(m_vertices[1].x(), m_vertices[1].y(), 0);
  return (pt2 - pt1);
}

Point3d FSEdge::vertex(double alpha) const {
  double x = (1.0 - alpha) * m_vertices[0].x() + alpha * m_vertices[1].x();