spherical_triangle_mesh.hpp

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#ifndef GENERATOR_SPHERICALTRIANGLEMESH_HPP
#define GENERATOR_SPHERICALTRIANGLEMESH_HPP
 
#include "math.hpp"
 
#include "mesh_vertex.hpp"
#include "triangle.hpp"
 
namespace generator
{
 
class spherical_triangle_mesh_t
{
public:
    class triangles_t
    {
    public:
        bool done() const noexcept;
 
        triangle_t generate() const;
 
        void next();
 
    private:
        const spherical_triangle_mesh_t* mesh_;
        int row_;
        int col_;
        int i_;
 
        explicit triangles_t(const spherical_triangle_mesh_t& mesh);
 
        friend class spherical_triangle_mesh_t;
    };
 
    class vertices_t
    {
    public:
        bool done() const noexcept;
 
        mesh_vertex_t generate() const;
 
        void next();
 
    private:
        const spherical_triangle_mesh_t* mesh_;
        int row_;
        int col_;
 
        explicit vertices_t(const spherical_triangle_mesh_t& mesh);
 
        friend class spherical_triangle_mesh_t;
    };
 
    spherical_triangle_mesh_t(double radius = 1.0, int segments = 4);
 
    spherical_triangle_mesh_t(const gml::dvec3& v0, const gml::dvec3& v1, const gml::dvec3& v2, int segments = 4);
 
    triangles_t triangles() const noexcept;
 
    vertices_t vertices() const noexcept;
 
private:
    gml::dvec3 v0_, v1_, v2_;
 
    gml::dvec3 normal_;
 
    int segments_;
};
} // namespace generator
 
#endif