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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2024-10-22 01:01:02 +0100 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2024-10-22 01:01:02 +0100 |
| commit | 9edf8711471db08427c5441ed37b6dfe3dd7f3b4 (patch) | |
| tree | 4356058e9fd85e44c4404c5db8d5d3322a64aa29 /gfx/models/mesh.cpp | |
| parent | Bump to CTRE to v3.9.0-1-gacb2f4d to fix compilation with clang 19 (diff) | |
| parent | Further template maths functions (diff) | |
| download | ilt-9edf8711471db08427c5441ed37b6dfe3dd7f3b4.tar.bz2 ilt-9edf8711471db08427c5441ed37b6dfe3dd7f3b4.tar.xz ilt-9edf8711471db08427c5441ed37b6dfe3dd7f3b4.zip | |
Merge branch 'billboard-shadows'
Diffstat (limited to 'gfx/models/mesh.cpp')
| -rw-r--r-- | gfx/models/mesh.cpp | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/gfx/models/mesh.cpp b/gfx/models/mesh.cpp index e7474ca..2eae160 100644 --- a/gfx/models/mesh.cpp +++ b/gfx/models/mesh.cpp @@ -1,6 +1,32 @@ #include "mesh.h" -MeshBase::MeshBase(GLsizei m_numIndices, GLenum mode) : m_numIndices {m_numIndices}, mode {mode} { } +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 |