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57 lines
1.9 KiB
57 lines
1.9 KiB
3 months ago
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#pragma once
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#include <vector>
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#include <tbb/tbb.h>
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#include <utils/eigen_alias.hpp>
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#include "primitive_descriptor.h"
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#include "internal_structs.hpp"
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namespace internal
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{
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template <typename T>
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using stl_vector = std::vector<T, tbb::tbb_allocator<T>>;
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using constant = constant_descriptor_t;
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using plane = plane_descriptor_t;
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using sphere = sphere_descriptor_t;
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using cone = cone_descriptor_t;
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struct mesh {
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stl_vector<double> vertices{};
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stl_vector<stl_vector<uint32_t>> faces{};
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};
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// CAUTION: in polyline local space, the X/Y axis should be according to local N/B directions
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struct polyline {
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std::vector<Eigen::Vector2d> vertices{}; //
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// for a straight line, it consists of two vertices; for a circle arc, it consists
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// of three vertices: start point, circle center, and a point on the circle to
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// construct local XY coordinate system
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std::vector<double> thetas{}; // for a straight line, this should be 0
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std::vector<uint8_t> start_indices{}; // has the same size as thetas, indicating the starting index of each segment
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};
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struct helixline {
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// Eigen::Vector3d start_point{};
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// Eigen::Vector3d axis_direction{};
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// Eigen::Vector3d base_direction_u{};
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// Eigen::Vector3d base_direction_v{};
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double radius{};
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double total_theta{};
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double height{};
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};
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struct extrude_polyline {
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Eigen::Transform<double, 3, Eigen::AffineCompact> world_to_axis{};
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polyline axis{};
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polyline profile{};
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};
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struct extrude_helixline {
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Eigen::Transform<double, 3, Eigen::AffineCompact> world_to_axis{};
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helixline axis{};
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polyline profile{};
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};
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} // namespace internal
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