#include <iostream>
#include <fstream>
#include <catch2/catch.hpp>

#include "libslic3r/SLA/Hollowing.hpp"

TEST_CASE("Hollow two overlapping spheres") {
    using namespace Slic3r;

    TriangleMesh sphere1 = make_sphere(10., 2 * PI / 20.), sphere2 = sphere1;

    sphere1.translate(-5.f, 0.f, 0.f);
    sphere2.translate( 5.f, 0.f, 0.f);

    sphere1.merge(sphere2);
    sphere1.require_shared_vertices();

    sla::hollow_mesh(sphere1, sla::HollowingConfig{}, sla::HollowingFlags::hfRemoveInsideTriangles);

    sphere1.WriteOBJFile("twospheres.obj");
}