ControllableCamera.hpp

#pragma once
 
#include "input/Camera.hpp"
#include "Common.hpp"
 
class ControllableCamera final : public Camera {
 
public:
    enum class Mode : uint {
        FPS = 0,
        TurnTable,
        //Trackball, ///< Currently not supported.
        Joystick
    };
 
    ControllableCamera();
 
    void pose(const glm::vec3 & position, const glm::vec3 & center, const glm::vec3 & up) override;
 
    void reset();
 
    void update();
 
    void physics(double frameTime);
 
    float & speed() { return _speed; }
 
    void interface();
 
private:
    void updateUsingJoystick(double frameTime);
 
    void updateUsingKeyboard(double frameTime);
 
    void updateUsingTurnTable(double frameTime);
 
    float _speed        = 1.2f; 
    float _angularSpeed = 4.0f; 
 
    // Camera additional state.
    glm::vec2 _angles = glm::vec2(glm::half_pi<float>(), 0.0f); 
    float _radius     = 1.0f;                                   
 
    Mode _mode = Mode::TurnTable; 
 
    float _guiFOV; 
};