4 #include "gmath/gmath.h"
7 extern int win_width, win_height;
8 extern float win_aspect;
10 extern double time_sec;
12 extern Mat4 view_matrix;
15 bool app_init(int argc, char **argv);
19 void app_reshape(int x, int y);
20 void app_keyboard(int key, bool pressed);
21 void app_mouse_button(int bn, bool pressed, int x, int y);
22 void app_mouse_motion(int x, int y);
24 // the following functions are implemented by the window system backend
25 void app_resize(int x, int y);
26 void app_fullscreen(bool fs);
29 void app_swap_buffers();