Geometry.hxx

#ifndef VFRENDERING_GEOMETRY_HXX
#define VFRENDERING_GEOMETRY_HXX
 
#include <vector>
#include <array>
 
#include <glm/glm.hpp>
 
namespace VFRendering {
class Geometry {
public:
    typedef unsigned int index_type;
 
    Geometry();
    Geometry(const std::vector<glm::vec3>& positions, const std::vector<std::array<index_type, 3>>& surface_indices={}, const std::vector<std::array<index_type, 4>>& volume_indices={}, const bool& is_2d=false);
 
    const std::vector<glm::vec3>& positions() const;
    const std::vector<std::array<index_type, 3>>& surfaceIndices() const;
    const std::vector<std::array<index_type, 4>>& volumeIndices() const;
    const glm::vec3& min() const;
    const glm::vec3& max() const;
    const bool& is2d() const;
 
    static Geometry cartesianGeometry(glm::ivec3 n, glm::vec3 bounds_min, glm::vec3 bounds_max);
    static Geometry rectilinearGeometry(const std::vector<float>& xs, const std::vector<float>& ys, const std::vector<float>& zs);
 
private:
    std::vector<glm::vec3> m_positions;
    mutable std::vector<std::array<index_type, 3>> m_surface_indices;
    mutable std::vector<std::array<index_type, 4>> m_volume_indices;
    bool m_is_2d;
    mutable bool m_bounds_min_set;
    mutable glm::vec3 m_bounds_min;
    mutable bool m_bounds_max_set;
    mutable glm::vec3 m_bounds_max;
};
}
 
#endif