Refactored hollowing backend to use indexed_triangle_mesh

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/libslic3r/test_hollowing.cpp b/tests/libslic3r/test_hollowing.cpp
index 1f5ca3845..5662d8b0d 100644
--- a/tests/libslic3r/test_hollowing.cpp
+++ b/tests/libslic3r/test_hollowing.cpp
@@ -20,3 +20,23 @@ TEST_CASE("Hollow two overlapping spheres") {
     sphere1.WriteOBJFile("twospheres.obj");
 }
 
+TEST_CASE("Split its") {
+    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();
+
+    std::vector<indexed_triangle_set> parts;
+    its_split(sphere1.its, std::back_inserter(parts));
+
+    size_t part_idx = 0;
+    for (auto &part_its : parts) {
+        its_write_obj(part_its, (std::string("part_its") + std::to_string(part_idx++) + ".obj").c_str());
+    }
+}
+