OpenGlUnitVector.hpp

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/*
 * UnitVector.hpp
 *
 *  Created on: Jul 5, 2014
 *      Author: nano
 */

#ifndef UNITVECTOR_HPP_
#define UNITVECTOR_HPP_

#include "../../../common/common.hpp"

#include <GL/gl.h>
#include <GL/glu.h>
#include <iostream>
#include <vector>

namespace phoxonics {
namespace visual {

class OpenGlUnitVector {
public:
    OpenGlUnitVector();
    virtual ~OpenGlUnitVector();

    void init();
    void render(double const mouse_x, double const mouse_y);

    std::vector<std::vector<double>> charges_from_matrix;
    std::vector<std::vector<double>> charges_to_matrix;
    phoxonics::common::Matrix matrix;

private:
    void calc_vertexes(double start_x, double start_y, double end_x, double end_y, double& x1,
            double& y1, double& x2, double& y2);

    double arrow_lenght_ { 0.4 };
    double arrow_degrees_ { 0.5 };
};

} /* namespace visual */
} /* namespace phoxonics */

#endif /* UNITVECTOR_HPP_ */