#include <stdlib.h>
#include <math.h>
#include <string.h>
+#include <GL/glew.h>
#include <GL/glut.h>
glutInitWindowSize(700, 800);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow(argv[0]);
+ glewInit();
glutReshapeFunc(Reshape);
glutKeyboardFunc(Key);
glutDisplayFunc(Draw);