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namespace md {
template<class Real>
std::ostream& operator<<(std::ostream& os, const Box<Real>& box)
{
os << "Box(lower_left = " << box.lower_left() << ", upper_right = " << box.upper_right() << ")";
return os;
}
template<class Real>
void Box<Real>::translate(Real a)
{
ll.x += a;
ll.y += a;
ur.x += a;
ur.y += a;
}
template<class Real>
std::vector<Box<Real>> Box<Real>::refine() const
{
std::vector<Box<Real>> result;
// 1 | 2
// 0 | 3
Point<Real> new_ll = lower_left();
Point<Real> new_ur = center();
result.emplace_back(new_ll, new_ur);
new_ll.y = center().y;
new_ur.y = ur.y;
result.emplace_back(new_ll, new_ur);
new_ll = center();
new_ur = upper_right();
result.emplace_back(new_ll, new_ur);
new_ll.y = ll.y;
new_ur.y = center().y;
result.emplace_back(new_ll, new_ur);
return result;
}
template<class Real>
std::vector<Point<Real>> Box<Real>::corners() const
{
return {ll, Point<Real>(ll.x, ur.y), ur, Point<Real>(ur.x, ll.y)};
};
}
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