38 lines
905 B
C++
38 lines
905 B
C++
// Copyright 2024 Bytedance Inc. All Rights Reserved.
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// Author: tianlei.richard@qq.com (tianlei.richard)
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#pragma once
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#include "common.h"
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#include <Eigen/Geometry>
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#include <array>
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class Triangle {
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private:
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using HomoPointType = Eigen::Vector4d;
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public:
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Triangle(const Point3d &a, const Point3d &b, const Point3d &c);
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Triangle(const HomoPointType &a, const HomoPointType &b,
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const HomoPointType &c);
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template <int size>
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std::array<Eigen::Vector<double, size>, 3> get_points() const {
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return std::array<Eigen::Vector<double, size>, 3>{
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(points_[0]).head(size),
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(points_[1]).head(size),
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(points_[2]).head(size),
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};
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}
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public:
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BBox axis_align_bbox() const;
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Vector3d normal_vector() const;
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void affine_transform(const TransformMatrix &m);
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void projective_transform(const TransformMatrix &m);
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private:
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std::array<Point3d, 3> points_;
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};
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