camera.h

#pragma once
 
#include <Eigen/Dense>
#include <GL/gl.h>
#include <GL/glut.h>
 
#include "matrix_math.h"
#include "log.h"
 
namespace bmpf {
 
    class Camera {
    public:
        Camera();
 
        Camera(Eigen::Vector3d _pos, Eigen::Vector3d _dir, Eigen::Vector3d _up) :
                _pos(std::move(_pos)), _dir(std::move(_dir)), _up(std::move(_up)) {};
 
        Eigen::Vector3d getUp() { return _up; };
 
        Eigen::Vector3d getCenter() { return _pos; };
 
        Eigen::Vector3d getEye() { return _dir + _pos; }
 
        void rotateX(double alpha);
 
        void rotateY(double alpha);
 
        void moveLeft(double d);
 
        void moveRight(double d);
 
        void moveForward(double d) { _pos = _pos - _dir * d; }
 
        void moveBack(double d) { _pos = _pos + _dir * d; }
 
        void moveDown(double d) { _pos(2) -= d; }
 
        void moveUp(double d) { _pos(2) += d; }
 
        void applyLookAt();
 
    private:
        Eigen::Vector3d _up;
        Eigen::Vector3d _dir;
        Eigen::Vector3d _pos;
    };
 
 
}