void wait_for_event(float min_delay, float max_delay);
/// The width of the display (this is a logical value, not the physical value)
-static const float SCREEN_WIDTH = 800;
+extern int SCREEN_WIDTH;
/// The height of the display (this is a logical value, not the physical value)
-static const float SCREEN_HEIGHT = 600;
+extern int SCREEN_HEIGHT;
// global variables
class JoystickKeyboardController;