2026-07-23 05:27:51 +00:00
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#pragma once
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2026-07-23 08:19:24 +00:00
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#include "vde/core/point.h"
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2026-07-23 05:27:51 +00:00
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#include "vde/curves/bspline_curve.h"
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#include <vector>
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namespace vde::curves {
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2026-07-23 08:19:24 +00:00
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using core::Point3D;
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using core::Vector3D;
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2026-07-23 05:27:51 +00:00
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class BSplineSurface {
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public:
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BSplineSurface(std::vector<std::vector<Point3D>> control_grid,
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std::vector<double> knots_u, std::vector<double> knots_v,
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int degree_u, int degree_v);
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[[nodiscard]] Point3D evaluate(double u, double v) const;
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2026-07-23 12:36:39 +00:00
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[[nodiscard]] Vector3D derivative_u(double u, double v) const;
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[[nodiscard]] Vector3D derivative_v(double u, double v) const;
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[[nodiscard]] Vector3D normal(double u, double v) const;
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2026-07-23 05:27:51 +00:00
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[[nodiscard]] int degree_u() const { return degree_u_; }
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[[nodiscard]] int degree_v() const { return degree_v_; }
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[[nodiscard]] const std::vector<double>& knots_u() const { return knots_u_; }
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[[nodiscard]] const std::vector<double>& knots_v() const { return knots_v_; }
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private:
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std::vector<std::vector<Point3D>> cp_;
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std::vector<double> knots_u_, knots_v_;
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int degree_u_, degree_v_;
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};
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} // namespace vde::curves
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