20 static void Init(GLFWwindow *window);
39 static void ScrollCallback(GLFWwindow *window,
double xoffset,
double yoffset);
41 static double s_LastMouseX;
42 static double s_LastMouseY;
43 static double s_MouseDeltaX;
44 static double s_MouseDeltaY;
45 static double s_ScrollDeltaY;
46 static bool s_FirstMouse;