#include <windows.h>
#include <GL/glut.h>
#include <GL/gl.h>

int a[3]={10,10,10}, b[3]={10,-10,10}, 
    c[3]={-10,-10,10}, d[3]={-10,10,10},
    e[3]={10,10,-10}, f[3]={10,-10,-10}, 
    g[3]={-10,-10,-10}, h[3]={-10,10,-10};

float angle=1.0;

void drawcube(void)
{
  glClear(GL_COLOR_BUFFER_BIT);
  glColor3f(1.0, 1.0, 1.0);

  glMatrixMode(GL_MODELVIEW);
  glRotatef(angle, 0.0, 1.0, 0.0);
  glBegin(GL_LINE_LOOP);
    glVertex3iv(a);
    glVertex3iv(b);
    glVertex3iv(c);
    glVertex3iv(d);
  glEnd();
  glBegin(GL_LINE_LOOP);
    glVertex3iv(a);
    glVertex3iv(e);
    glVertex3iv(f);
    glVertex3iv(b);
  glEnd();
  glBegin(GL_LINE_LOOP);
    glVertex3iv(d);
    glVertex3iv(h);
    glVertex3iv(g);
    glVertex3iv(c);
  glEnd();
  glBegin(GL_LINE_LOOP);
    glVertex3iv(e);
    glVertex3iv(f);
    glVertex3iv(g);
    glVertex3iv(h);
  glEnd();

  glFlush();
  glutSwapBuffers();
}

void keyboard(unsigned char key, int x, int y)
{
  switch (key)
  {
    case 0x1B:
    case 'q':
    case 'Q':
      exit(0);
    break;
  }
}

void mouse(int btn, int state, int x, int y)
{
  if (state == GLUT_DOWN)
  {
    if (btn == GLUT_LEFT_BUTTON)
      angle = angle + 1.0f;
    else if (btn == GLUT_RIGHT_BUTTON)
      angle = angle - 1.0f;
    else
      angle = 0.0f;
  }
}

int main(int argc, char **argv)
{
  glutInit(&argc, argv);
  glutInitWindowSize(500, 500);
  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
  glutCreateWindow("Glut rotate");
  glutMouseFunc(mouse);
  glutKeyboardFunc(keyboard);
  glutDisplayFunc(drawcube);
  glutIdleFunc(drawcube); 

  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  glOrtho(-30.0, 30.0, -30.0, 30.0, -30.0, 30.0);
  glRotatef(30.0, 1.0, 0.0, 0.0); 
  glMatrixMode(GL_MODELVIEW);
  glClearColor(0.0, 0.0, 0.0, 0.0);

  glutMainLoop();
  return(0);
}