diff options
Diffstat (limited to 'gfx/models/mesh.cpp')
| -rw-r--r-- | gfx/models/mesh.cpp | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/gfx/models/mesh.cpp b/gfx/models/mesh.cpp index 1b6ecda..2eae160 100644 --- a/gfx/models/mesh.cpp +++ b/gfx/models/mesh.cpp @@ -1,10 +1,33 @@ #include "mesh.h" -MeshBase::MeshBase(GLsizei m_numIndices, GLenum mode, std::pair<RelativePosition3D, RelativePosition3D> minmax) : - m_numIndices {m_numIndices}, mode {mode}, min {minmax.first}, max {minmax.second} +MeshBase::MeshBase(GLsizei m_numIndices, GLenum mode, const std::vector<RelativePosition3D> & positions) : + m_numIndices {m_numIndices}, mode {mode}, dimensions {positions} { } +MeshBase::Dimensions::Dimensions(const std::span<const RelativePosition3D> positions) : + Dimensions {positions, {extents(positions, 0), extents(positions, 1), extents(positions, 2)}} +{ +} + +MeshBase::Dimensions::Dimensions( + const std::span<const RelativePosition3D> positions, const std::array<Extents1D, 3> & extents1ds) : + minExtent(extents1ds[0].min, extents1ds[1].min, extents1ds[2].min), + maxExtent(extents1ds[0].max, extents1ds[1].max, extents1ds[2].max), centre {(minExtent + maxExtent) / 2.0F}, + size {std::ranges::max(positions | std::views::transform([this](const auto & v) { + return glm::distance(v, centre); + }))} +{ +} + +MeshBase::Dimensions::Extents1D +MeshBase::Dimensions::extents(const std::span<const RelativePosition3D> positions, glm::length_t D) +{ + return std::ranges::minmax(positions | std::views::transform([D](const auto & v) { + return v[D]; + })); +} + void MeshBase::Draw() const { |