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#pragma once
#include "maths.h"
#include <algorithm>
#include <tuple>
template<Arithmetic T, glm::qualifier Q = glm::defaultp> class AxisAlignedBoundingBox {
public:
using V = glm::vec<3, T, Q>;
AxisAlignedBoundingBox() = default;
AxisAlignedBoundingBox(const V & min, const V & max) : min {min}, max {max} { }
AxisAlignedBoundingBox &
operator+=(const V & point)
{
min = glm::min(min, point);
max = glm::max(max, point);
return *this;
}
AxisAlignedBoundingBox
operator-(const V & viewPoint) const
{
return {min - viewPoint, max - viewPoint};
}
[[nodiscard]] static AxisAlignedBoundingBox
fromPoints(auto && points)
{
using Limits = std::numeric_limits<T>;
static constexpr const auto INITIAL = std::make_pair(V {Limits::max()}, V {Limits::min()});
return std::make_from_tuple<AxisAlignedBoundingBox<T, Q>>(
std::ranges::fold_left(points, INITIAL, [](const auto & prev, const auto & point) {
auto & [min, max] = prev;
return std::make_pair(glm::min(min, point), glm::max(max, point));
}));
}
V min, max;
};
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