diff options
Diffstat (limited to 'modules/csg')
| -rw-r--r-- | modules/csg/csg.cpp | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/modules/csg/csg.cpp b/modules/csg/csg.cpp index a8ae4cfa5e..0bd8e5d9ad 100644 --- a/modules/csg/csg.cpp +++ b/modules/csg/csg.cpp @@ -1068,6 +1068,8 @@ void CSGBrushOperation::Build2DFaces::_merge_faces(const Vector<int> &p_segment_ } void CSGBrushOperation::Build2DFaces::_find_edge_intersections(const Vector2 p_segment_points[2], Vector<int> &r_segment_indices) { + LocalVector<Vector<Vector2>> processed_edges; + // For each face. for (int face_idx = 0; face_idx < faces.size(); ++face_idx) { Face2D face = faces[face_idx]; @@ -1079,17 +1081,32 @@ void CSGBrushOperation::Build2DFaces::_find_edge_intersections(const Vector2 p_s // Check each edge. for (int face_edge_idx = 0; face_edge_idx < 3; ++face_edge_idx) { - Vector2 edge_points[2] = { + Vector<Vector2> edge_points_and_uvs = { face_vertices[face_edge_idx].point, - face_vertices[(face_edge_idx + 1) % 3].point - }; - Vector2 edge_uvs[2] = { + face_vertices[(face_edge_idx + 1) % 3].point, face_vertices[face_edge_idx].uv, face_vertices[(face_edge_idx + 1) % 3].uv }; - Vector2 intersection_point; + + Vector2 edge_points[2] = { + edge_points_and_uvs[0], + edge_points_and_uvs[1], + }; + Vector2 edge_uvs[2] = { + edge_points_and_uvs[2], + edge_points_and_uvs[3], + }; + + // Check if edge has already been processed. + if (processed_edges.find(edge_points_and_uvs) != -1) { + continue; + } + + processed_edges.push_back(edge_points_and_uvs); // First check if the ends of the segment are on the edge. + Vector2 intersection_point; + bool on_edge = false; for (int edge_point_idx = 0; edge_point_idx < 2; ++edge_point_idx) { intersection_point = Geometry2D::get_closest_point_to_segment(p_segment_points[edge_point_idx], edge_points); |