optional<Dimensions> getDimensions() const
{
if (polylines.empty())
return optional<Dimensions>();
optional<Point> min = getMinPoint(polylines[0].points);
optional<Point> max = getMaxPoint(polylines[0].points);
for (unsigned i = 0; i < polylines.size(); ++i) {
if (getMinPoint(polylines[i].points)->x < min->x)
min->x = getMinPoint(polylines[i].points)->x;
if (getMinPoint(polylines[i].points)->y < min->y)
min->y = getMinPoint(polylines[i].points)->y;
if (getMaxPoint(polylines[i].points)->x > max->x)
max->x = getMaxPoint(polylines[i].points)->x;
if (getMaxPoint(polylines[i].points)->y > max->y)
max->y = getMaxPoint(polylines[i].points)->y;
}
return optional<Dimensions>(Dimensions(max->x - min->x, max->y - min->y));
}
std::vector<Geo::Point> SquareObstacle::getVertexList() const
{
std::vector<Geo::Point> vertex_list;
Geo::Point min = getMinPoint();
Geo::Point max = getMaxPoint();
// 各辺の生成に利用するため、頂点は隣り合う順で追加する
vertex_list.push_back( Geo::Point(min.x(), min.y()) );
vertex_list.push_back( Geo::Point(min.x(), max.y()) );
vertex_list.push_back( Geo::Point(max.x(), max.y()) );
vertex_list.push_back( Geo::Point(max.x(), min.y()) );
return vertex_list;
}
