* scaling factor and reversing the order of subtraction
* for a combination function.
*/
+#include <GL/glew.h>
#include <GL/glut.h>
#include <stdlib.h>
#include <stdio.h>
glutInitWindowSize(400, 400);
glutInitWindowPosition(100, 100);
glutCreateWindow(argv[0]);
+ glewInit();
init();
glutDisplayFunc(display);
glutReshapeFunc(reshape);