EBGeometry_Triangle.hpp

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/* EBGeometry
 * Copyright © 2024 Robert Marskar
 * Please refer to Copyright.txt and LICENSE in the EBGeometry root directory.
 */
 
#ifndef EBGeometry_Triangle
#define EBGeometry_Triangle
 
// Std includes
#include <array>
 
// Our includes
#include "EBGeometry_Vec.hpp"
#include "EBGeometry_Triangle2D.hpp"
 
namespace EBGeometry {
 
  template <class T, class Meta>
  class Triangle
  {
  public:
    using Vec2 = Vec2T<T>;
 
    using Vec3 = Vec3T<T>;
 
    Triangle() noexcept = default;
 
    Triangle(const Triangle& a_otherTriangle) noexcept = default;
 
    Triangle(const std::array<Vec3, 3>& a_vertexPositions) noexcept;
 
    ~Triangle() noexcept = default;
 
    Triangle&
    operator=(const Triangle& a_otherTriangle) noexcept = default;
 
    Triangle&
    operator=(Triangle&& a_otherTriangle) noexcept = default;
 
    void
    setNormal(const Vec3& a_normal) noexcept;
 
    void
    setVertexPositions(const std::array<Vec3, 3>& a_vertexPositions) noexcept;
 
    void
    setVertexNormals(const std::array<Vec3, 3>& a_vertexNormals) noexcept;
 
    void
    setEdgeNormals(const std::array<Vec3, 3>& a_edgeNormals) noexcept;
 
    void
    setMetaData(const Meta& a_metaData) noexcept;
 
    void
    computeNormal() noexcept;
 
    Vec3&
    getNormal() noexcept;
 
    const Vec3&
    getNormal() const noexcept;
 
    std::array<Vec3, 3>&
    getVertexPositions() noexcept;
 
    const std::array<Vec3, 3>&
    getVertexPositions() const noexcept;
 
    std::array<Vec3, 3>&
    getVertexNormals() noexcept;
 
    const std::array<Vec3, 3>&
    getVertexNormals() const noexcept;
 
    std::array<Vec3, 3>&
    getEdgeNormals() noexcept;
 
    const std::array<Vec3, 3>&
    getEdgeNormals() const noexcept;
 
    Meta&
    getMetaData() noexcept;
 
    const Meta&
    getMetaData() const noexcept;
 
    T
    signedDistance(const Vec3& a_point) const noexcept;
 
  protected:
    Vec3 m_triangleNormal = Vec3::max();
 
    std::array<Vec3, 3> m_vertexPositions{Vec3::max(), Vec3::max(), Vec3::max()};
 
    std::array<Vec3, 3> m_vertexNormals{Vec3::max(), Vec3::max(), Vec3::max()};
    std::array<Vec3, 3> m_edgeNormals{Vec3::max(), Vec3::max(), Vec3::max()};
 
    Triangle2D<T> m_triangle2D;
 
    Meta m_metaData;
 
    T
    projectPointToEdge(const Vec3& a_point, const Vec3& a_x0, const Vec3& a_x1) const noexcept;
  };
} // namespace EBGeometry
 
#include "EBGeometry_TriangleImplem.hpp" // NOLINT
 
#endif