text: 
  #include "camera.h"
  #include <glad/glad.h>
  #include <GLFW/glfw3.h>
  
  #include <glm/glm.hpp>
  #include <glm/gtc/matrix_transform.hpp>
  #include <glm/gtc/type_ptr.hpp>
  
  #include <iostream>
  #include <cmath>
  
  #include "shader_s.h"
  #include "filesystem.h"
  
  void framebuffer_size_callback(GLFWwindow* window, int width, int height);