#ifndef TRACKBALLCAMERA_H
#define TRACKBALLCAMERA_H

#include "camera.h"
#include <glm/vec2.hpp>
#include <glm/vec3.hpp>

class TrackBallCamera : public BasicCamera
{
private:
    // camera position
    glm::vec3 m_center;
    glm::vec3 m_direction;
    float m_dist;
    
    void computeView();
    
public:
    TrackBallCamera(float myFov = 70.f, float myNear = 0.1f, float myFar = 1000.f);

    void rotateCamera(float dx, float dy);
    void moveCamera(float dx, float dy);
    void moveCamera(const glm::vec3 &diff);
	void lookAt(const glm::vec3 &pos);
	void zoom(int nbScrolls);
    void reset();
    glm::vec3 getDefaultPxInfo();
};

#endif // TRACKBALLCAMERA_H