ViewDesignEngine/include/vde/core/voronoi.h

#pragma once
#include "vde/core/point.h"
#include <vector>
#include <array>

namespace vde::core {
using foundation::Point2D;
using foundation::Point3D;
using foundation::Vector2D;
using foundation::Vector3D;

struct VoronoiCell {
    Point2D site;                        // Generator point
    std::vector<Point2D> vertices;       // Cell boundary vertices
    std::vector<std::array<int, 2>> edges; // Edge indices into vertices
};

/// 2D Voronoi diagram from Delaunay dual graph
/// Returns cells for each input point
std::vector<VoronoiCell> voronoi_2d(const std::vector<Point2D>& points);

}  // namespace vde::core