#pragma once extern void windowResize(GLFWwindow * window, int width, int height); extern void mouseButton(GLFWwindow *window, int button, int action, int mod); extern void mouseMove(GLFWwindow *window, double xpos, double ypos); extern void mouseWheel(GLFWwindow *window, double xoffset, double yoffset); extern void keyPress(GLFWwindow *window, int key, int scancode, int action, int mods);