bezier_curve.h

浏览该文件的文档.

#pragma once
#include "vde/core/point.h"
#include <vector>
 
namespace vde::curves {
using core::Point3D;
using core::Vector3D;
 
class BezierCurve {
public:
    explicit BezierCurve(std::vector<Point3D> control_points);
 
    [[nodiscard]] Point3D evaluate(double t) const;
 
    [[nodiscard]] Vector3D derivative(double t, int order = 1) const;
 
    [[nodiscard]] int degree() const { return static_cast<int>(cp_.size()) - 1; }
 
    [[nodiscard]] std::pair<double, double> domain() const { return {0.0, 1.0}; }
 
    [[nodiscard]] const std::vector<Point3D>& control_points() const { return cp_; }
 
    [[nodiscard]] std::pair<BezierCurve, BezierCurve> split(double t) const;
 
    [[nodiscard]] BezierCurve degree_elevate(int times = 1) const;
 
private:
    std::vector<Point3D> cp_;  
};
 
}  // namespace vde::curves