62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
//
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// Created by Иван Ильин on 08.03.2021.
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//
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#ifndef ENGINE_SIMPLEX_H
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#define ENGINE_SIMPLEX_H
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#include <list>
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#include "../math/Vec3D.h"
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enum class SimplexType {
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Zero,
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Point,
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Line,
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Triangle,
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Tetrahedron
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};
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struct Simplex final {
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private:
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std::list<Vec3D> _points{};
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public:
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Simplex() = default;
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Simplex(std::initializer_list<Vec3D> list) {
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for (const auto &v : list) {
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_points.push_back(v);
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if (_points.size() > 4) {
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_points.pop_front();
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}
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}
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}
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void push_front(const Vec3D &point) {
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_points.push_front(point);
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if (_points.size() > 4) {
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_points.pop_back();
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}
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}
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Vec3D operator[](unsigned i) const {
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auto it = _points.begin();
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for (unsigned k = 0; k < i; k++) {
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++it;
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}
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return *it;
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}
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[[nodiscard]] unsigned size() const { return _points.size(); }
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[[nodiscard]] auto begin() const { return _points.begin(); }
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[[nodiscard]] auto end() const { return _points.end(); }
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[[nodiscard]] SimplexType type() const { return static_cast<SimplexType>(_points.size()); }
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};
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#endif //INC_3DZAVR_SIMPLEX_H
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