#ifndef CAMERA_2D_HPP
#define CAMERA_2D_HPP

#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>

namespace yage
{

class Camera2D
{
private:
    bool matrix_needs_update_=true;
    float scale_=1.f;
    glm::vec2 position_;
    glm::mat4 camera_matrix_;
    glm::mat4 ortho_matrix_;
public:
    Camera2D(int screen_width=1280, int screen_height=720);
    virtual ~Camera2D();

    void update();

    // setters
    void setPosition(const glm::vec2 &new_position) { position_=new_position; matrix_needs_update_=true; }
    void setScale(float new_scale) {scale_=new_scale; matrix_needs_update_=true; }

    // getters
    float getScale() { return scale_; }
    glm::vec2 getPosition() { return position_; }
    glm::mat4 getCameraMatrix() { return camera_matrix_; }
};

} // yage

#endif