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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2023-11-02 20:37:08 +0000 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2023-11-02 20:37:08 +0000 |
| commit | 1117f91396da00fc48158866ff0ffd1883c4cbd1 (patch) | |
| tree | 1d40ab338c5a1a911dd8fd47f65bc99ed761800d | |
| parent | Add test-terrain dependency on sample height data (diff) | |
| download | ilt-1117f91396da00fc48158866ff0ffd1883c4cbd1.tar.bz2 ilt-1117f91396da00fc48158866ff0ffd1883c4cbd1.tar.xz ilt-1117f91396da00fc48158866ff0ffd1883c4cbd1.zip | |
Generic N-dimensional terrain triangle
| -rw-r--r-- | game/terrain2.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/game/terrain2.h b/game/terrain2.h index 641d608..c2c3d19 100644 --- a/game/terrain2.h +++ b/game/terrain2.h @@ -1,5 +1,6 @@ #pragma once +#include "collections.h" // IWYU pragma: keep IterableCollection #include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh> #include <filesystem> #include <glm/vec2.hpp> @@ -41,6 +42,19 @@ public: mutable FaceHandle _face {}; }; + template<glm::length_t Dim> struct Triangle : public glm::vec<3, glm::vec<Dim, glm::vec2::value_type>> { + using base = glm::vec<3, glm::vec<Dim, glm::vec2::value_type>>; + using base::base; + + template<IterableCollection Range> Triangle(const TerrainMesh * m, Range range) + { + assert(std::distance(range.begin(), range.end()) == 3); + std::transform(range.begin(), range.end(), &base::operator[](0), [m](auto vh) { + return m->point(vh); + }); + } + }; + [[nodiscard]] FaceHandle findPoint(glm::vec2) const; [[nodiscard]] FaceHandle findPoint(glm::vec2, FaceHandle start) const; |