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Tech ENABLE_SINKING_CONTOURS -> Sinking contours rendered using triangles

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enricoturri1966 2021-07-28 11:21:59 +02:00
parent b24488ce51
commit d99ea7c20f
4 changed files with 42 additions and 16 deletions
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8
src/slic3r/GUI/GLCanvas3D.cpp
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@ -792,7 +792,7 @@ void GLCanvas3D::SequentialPrintClearance::set_polygons(const Polygons& polygons
for (const Polygon& poly : polygons) {
triangles_count += poly.points.size() - 2;
}
size_t vertices_count = 3 * triangles_count;
const size_t vertices_count = 3 * triangles_count;
if (m_render_fill) {
GLModel::InitializationData fill_data;
@ -803,13 +803,13 @@ void GLCanvas3D::SequentialPrintClearance::set_polygons(const Polygons& polygons
entity.normals.reserve(vertices_count);
entity.indices.reserve(vertices_count);
ExPolygons polygons_union = union_ex(polygons);
const ExPolygons polygons_union = union_ex(polygons);
for (const ExPolygon& poly : polygons_union) {
std::vector<Vec3d> triangulation = triangulate_expolygon_3d(poly, false);
const std::vector<Vec3d> triangulation = triangulate_expolygon_3d(poly);
for (const Vec3d& v : triangulation) {
entity.positions.emplace_back(v.cast<float>() + Vec3f(0.0f, 0.0f, 0.0125f)); // add a small positive z to avoid z-fighting
entity.normals.emplace_back(Vec3f::UnitZ());
size_t positions_count = entity.positions.size();
const size_t positions_count = entity.positions.size();
if (positions_count % 3 == 0) {
entity.indices.emplace_back(positions_count - 3);
entity.indices.emplace_back(positions_count - 2);