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Commit baf38aeb authored by Aaron Grabowy's avatar Aaron Grabowy
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Added vertices_of aabb4 and box4

parent 502b9b36
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src/typed-geometry/functions/objects/vertices.hh
View file @ baf38aeb
......@@ -37,8 +37,8 @@ template <class ScalarT, class TraitsT>
template <class ScalarT, class TraitsT>
[[nodiscard]] constexpr array<pos<2, ScalarT>, 4> vertices_of(aabb<2, ScalarT, TraitsT> const& bb)
{
auto p10 = pos<2, ScalarT>(bb.max.x, bb.min.y);
auto p01 = pos<2, ScalarT>(bb.min.x, bb.max.y);
auto const p10 = pos<2, ScalarT>(bb.max.x, bb.min.y);
auto const p01 = pos<2, ScalarT>(bb.min.x, bb.max.y);
return {{bb.min, p10, bb.max, p01}}; // in ccw order
}
......@@ -46,31 +46,52 @@ template <class ScalarT, class TraitsT>
template <class ScalarT, class TraitsT>
[[nodiscard]] constexpr array<pos<3, ScalarT>, 8> vertices_of(aabb<3, ScalarT, TraitsT> const& bb)
{
auto p001 = pos<3, ScalarT>(bb.min.x, bb.min.y, bb.max.z);
auto p010 = pos<3, ScalarT>(bb.min.x, bb.max.y, bb.min.z);
auto p011 = pos<3, ScalarT>(bb.min.x, bb.max.y, bb.max.z);
auto p100 = pos<3, ScalarT>(bb.max.x, bb.min.y, bb.min.z);
auto p101 = pos<3, ScalarT>(bb.max.x, bb.min.y, bb.max.z);
auto p110 = pos<3, ScalarT>(bb.max.x, bb.max.y, bb.min.z);
auto const p001 = pos<3, ScalarT>(bb.min.x, bb.min.y, bb.max.z);
auto const p010 = pos<3, ScalarT>(bb.min.x, bb.max.y, bb.min.z);
auto const p011 = pos<3, ScalarT>(bb.min.x, bb.max.y, bb.max.z);
auto const p100 = pos<3, ScalarT>(bb.max.x, bb.min.y, bb.min.z);
auto const p101 = pos<3, ScalarT>(bb.max.x, bb.min.y, bb.max.z);
auto const p110 = pos<3, ScalarT>(bb.max.x, bb.max.y, bb.min.z);
return {{bb.min, p001, p010, p011, p100, p101, p110, bb.max}};
}
template <class ScalarT, class TraitsT>
[[nodiscard]] constexpr array<pos<4, ScalarT>, 16> vertices_of(aabb<4, ScalarT, TraitsT> const& bb)
{
auto const p0001 = pos<4, ScalarT>(bb.min.x, bb.min.y, bb.min.z, bb.max.w);
auto const p0010 = pos<4, ScalarT>(bb.min.x, bb.min.y, bb.max.z, bb.min.w);
auto const p0011 = pos<4, ScalarT>(bb.min.x, bb.min.y, bb.max.z, bb.max.w);
auto const p0100 = pos<4, ScalarT>(bb.min.x, bb.max.y, bb.min.z, bb.min.w);
auto const p0101 = pos<4, ScalarT>(bb.min.x, bb.max.y, bb.min.z, bb.max.w);
auto const p0110 = pos<4, ScalarT>(bb.min.x, bb.max.y, bb.max.z, bb.min.w);
auto const p0111 = pos<4, ScalarT>(bb.min.x, bb.max.y, bb.max.z, bb.max.w);
auto const p1000 = pos<4, ScalarT>(bb.max.x, bb.min.y, bb.min.z, bb.min.w);
auto const p1001 = pos<4, ScalarT>(bb.max.x, bb.min.y, bb.min.z, bb.max.w);
auto const p1010 = pos<4, ScalarT>(bb.max.x, bb.min.y, bb.max.z, bb.min.w);
auto const p1011 = pos<4, ScalarT>(bb.max.x, bb.min.y, bb.max.z, bb.max.w);
auto const p1100 = pos<4, ScalarT>(bb.max.x, bb.max.y, bb.min.z, bb.min.w);
auto const p1101 = pos<4, ScalarT>(bb.max.x, bb.max.y, bb.min.z, bb.max.w);
auto const p1110 = pos<4, ScalarT>(bb.max.x, bb.max.y, bb.max.z, bb.min.w);
return {{bb.min, p0001, p0010, p0011, p0100, p0101, p0110, p0111, p1001, p1010, p1011, p1100, p1101, p1110, bb.max}};
}
template <class ScalarT, int DomainD, class TraitsT>
[[nodiscard]] constexpr array<pos<DomainD, ScalarT>, 2> vertices_of(box<1, ScalarT, DomainD, TraitsT> const& b)
{
const auto p0 = b[comp<1, ScalarT>(-1)];
const auto p1 = b[comp<1, ScalarT>(1)];
auto const p0 = b[comp<1, ScalarT>(-1)];
auto const p1 = b[comp<1, ScalarT>(1)];
return {{p0, p1}};
}
template <class ScalarT, int DomainD, class TraitsT>
[[nodiscard]] constexpr array<pos<DomainD, ScalarT>, 4> vertices_of(box<2, ScalarT, DomainD, TraitsT> const& b)
{
const auto p00 = b[comp<2, ScalarT>(-1, -1)];
const auto p10 = b[comp<2, ScalarT>(1, -1)];
const auto p11 = b[comp<2, ScalarT>(1, 1)];
const auto p01 = b[comp<2, ScalarT>(-1, 1)];
auto const p00 = b[comp<2, ScalarT>(-1, -1)];
auto const p10 = b[comp<2, ScalarT>(1, -1)];
auto const p11 = b[comp<2, ScalarT>(1, 1)];
auto const p01 = b[comp<2, ScalarT>(-1, 1)];
return {{p00, p10, p11, p01}}; // in ccw order
}
......@@ -78,25 +99,49 @@ template <class ScalarT, int DomainD, class TraitsT>
template <class ScalarT, int DomainD, class TraitsT>
[[nodiscard]] constexpr array<pos<DomainD, ScalarT>, 8> vertices_of(box<3, ScalarT, DomainD, TraitsT> const& b)
{
const auto p000 = b[comp<3, ScalarT>(-1, -1, -1)];
const auto p100 = b[comp<3, ScalarT>(1, -1, -1)];
const auto p110 = b[comp<3, ScalarT>(1, 1, -1)];
const auto p010 = b[comp<3, ScalarT>(-1, 1, -1)];
const auto p001 = b[comp<3, ScalarT>(-1, -1, 1)];
const auto p101 = b[comp<3, ScalarT>(1, -1, 1)];
const auto p111 = b[comp<3, ScalarT>(1, 1, 1)];
const auto p011 = b[comp<3, ScalarT>(-1, 1, 1)];
auto const p000 = b[comp<3, ScalarT>(-1, -1, -1)];
auto const p100 = b[comp<3, ScalarT>(1, -1, -1)];
auto const p110 = b[comp<3, ScalarT>(1, 1, -1)];
auto const p010 = b[comp<3, ScalarT>(-1, 1, -1)];
auto const p001 = b[comp<3, ScalarT>(-1, -1, 1)];
auto const p101 = b[comp<3, ScalarT>(1, -1, 1)];
auto const p111 = b[comp<3, ScalarT>(1, 1, 1)];
auto const p011 = b[comp<3, ScalarT>(-1, 1, 1)];
return {{p000, p100, p110, p010, p001, p101, p111, p011}};
}
template <class ScalarT, int DomainD, class TraitsT>
[[nodiscard]] constexpr array<pos<DomainD, ScalarT>, 16> vertices_of(box<4, ScalarT, DomainD, TraitsT> const& b)
{
auto const p0000 = b[comp<4, ScalarT>(-1, -1, -1, -1)];
auto const p1000 = b[comp<4, ScalarT>(1, -1, -1, -1)];
auto const p1100 = b[comp<4, ScalarT>(1, 1, -1, -1)];
auto const p0100 = b[comp<4, ScalarT>(-1, 1, -1, -1)];
auto const p0010 = b[comp<4, ScalarT>(-1, -1, 1, -1)];
auto const p1010 = b[comp<4, ScalarT>(1, -1, 1, -1)];
auto const p1110 = b[comp<4, ScalarT>(1, 1, 1, -1)];
auto const p0110 = b[comp<4, ScalarT>(-1, 1, 1, -1)];
auto const p0001 = b[comp<4, ScalarT>(-1, -1, -1, 1)];
auto const p1001 = b[comp<4, ScalarT>(1, -1, -1, 1)];
auto const p1101 = b[comp<4, ScalarT>(1, 1, -1, 1)];
auto const p0101 = b[comp<4, ScalarT>(-1, 1, -1, 1)];
auto const p0011 = b[comp<4, ScalarT>(-1, -1, 1, 1)];
auto const p1011 = b[comp<4, ScalarT>(1, -1, 1, 1)];
auto const p1111 = b[comp<4, ScalarT>(1, 1, 1, 1)];
auto const p0111 = b[comp<4, ScalarT>(-1, 1, 1, 1)];
return {{p0000, p1000, p1100, p0100, p0010, p1010, p1110, p0110, p0001, p1001, p1101, p0101, p0011, p1011, p1111, p0111}};
}
template <class BaseT, class TraitsT>
[[nodiscard]] constexpr auto vertices_of(pyramid<BaseT, TraitsT> const& py)
{
using ScalarT = typename BaseT::scalar_t;
static_assert(!std::is_same_v<BaseT, sphere<2, ScalarT, 3>>, "not possible for cones");
const auto vertsBase = vertices_of(py.base);
auto const vertsBase = vertices_of(py.base);
auto res = array<pos<3, ScalarT>, vertsBase.size() + 1>();
for (size_t i = 0; i < vertsBase.size(); ++i)
res[i] = vertsBase[i];
......
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