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https://github.com/OrcaSlicer/OrcaSlicer.git
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Rodrigo Faselli
ee2c40ea85
* Fix Mesh Boolean negative (cut) text object * Update test_meshboolean.cpp * missing headers * Update test_meshboolean.cpp * Refactor mcut difference test for source splits * Apply suggestion from @raistlin7447
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
#include <catch2/catch_all.hpp>
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#include <catch2/catch_test_macros.hpp>
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#include <catch2/catch_approx.hpp>
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#include <catch2/matchers/catch_matchers.hpp>
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#include <catch2/matchers/catch_matchers_floating_point.hpp>
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#include <libslic3r/TriangleMesh.hpp>
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#include <libslic3r/MeshBoolean.hpp>
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#include <vector>
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using namespace Slic3r;
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TEST_CASE("CGAL and TriangleMesh conversions", "[MeshBoolean]") {
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TriangleMesh sphere = make_sphere(1.);
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auto cgalmesh_ptr = MeshBoolean::cgal::triangle_mesh_to_cgal(sphere);
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REQUIRE(cgalmesh_ptr);
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REQUIRE(! MeshBoolean::cgal::does_self_intersect(*cgalmesh_ptr));
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TriangleMesh M = MeshBoolean::cgal::cgal_to_triangle_mesh(*cgalmesh_ptr);
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REQUIRE(M.its.vertices.size() == sphere.its.vertices.size());
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REQUIRE(M.its.indices.size() == sphere.its.indices.size());
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REQUIRE(M.volume() == Catch::Approx(sphere.volume()));
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REQUIRE(! MeshBoolean::cgal::does_self_intersect(M));
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}
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TEST_CASE("mcut difference handles source splits between cuts", "[MeshBoolean]") {
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TriangleMesh body = make_cube(30., 10., 10.);
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TriangleMesh tool;
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// First cut splits the source into two disconnected components.
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TriangleMesh slab = make_cube(2., 12., 20.);
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slab.translate(Vec3f(14.f, -1.f, -5.f));
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its_merge(tool.its, slab.its);
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// These cuts must still be applied after the source has been split.
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TriangleMesh left_hole = make_cube(4., 4., 20.);
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left_hole.translate(Vec3f(3.f, 3.f, -5.f));
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its_merge(tool.its, left_hole.its);
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TriangleMesh right_hole = make_cube(4., 4., 20.);
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right_hole.translate(Vec3f(21.f, 3.f, -5.f));
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its_merge(tool.its, right_hole.its);
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std::vector<TriangleMesh> result;
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MeshBoolean::mcut::make_boolean(body, tool, result, "A_NOT_B");
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REQUIRE(result.size() == 1);
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const std::vector<indexed_triangle_set> components =
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its_split(result.front().its);
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REQUIRE(components.size() == 2);
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// 3000 - 200 - 160 - 160 = 2480.
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REQUIRE_THAT(
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result.front().volume(),
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Catch::Matchers::WithinRel(2480., 1e-3)
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);
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}
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