src/LineAtoB.h

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#ifndef LineAtoB_H
#define LineAtoB_H

#include "vector3.h"

class LineAtoB {
public:
    LineAtoB(mesh::Vector3 a, mesh::Vector3 b)
        : a_(a),
          b_(b)
    { }
    mesh::Vector3 operator()(double t) const {
        return (1.0-t)*a_ + t*b_;
    }
    mesh::Vector3 deriv(double phi) const {
        return b_ - a_;
    }
private:
    mesh::Vector3 a_;
    mesh::Vector3 b_;
};

#endif

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