#ifndef MOUSE_WHEEL_H
#define MOUSE_WHEEL_H

/*
 * GLUT callback to be called whenever the scroll wheel is scrolled.
 * Based on code from Ashwin at
 * http://stackoverflow.com/questions/14378/using-the-mouse-scrollwheel-in-glut/14444.
 */
void mouse_wheel (int, int, int, int);

#endif // MOUSE_WHEEL_H