CameraControl.h

// Trackball camera control class
// Written by Sergey Kosov in 2016 for Project X
#pragma once

#include "TrackballCamera.h"
#include "GLFW/glfw3.h"

namespace DirectGraphicalModels { namespace vis 
{
    // ================================ Camera Control Class ===============================
    class CCameraControl : public CTrackballCamera
    {
    public:
        CCameraControl(GLFWwindow * window, float theta = 0.0f, float phi = -glm::pi<float>() / 2, float radius = 2.4f, float turnSpeed = 0.004f, float scrollSpeed = 0.33f, float panSpeed = 0.01f);
        virtual ~CCameraControl(void) {}

    
    private:
        void mouseButtonCallback(int button, int action, int mods);
        void cursorPosCallback(double x, double y);
        void scrollCallback(double x, double y);


    private:
        enum class mouseEvent {none, start_turn, turn, start_pan, pan};
        
        mouseEvent  m_mouseEvent;
        glm::vec2   m_mouseLastPos;
    
        float       m_turnSpeed;
        float       m_scrollSpeed;
        float       m_panSpeed;
    };
} }