#include<GL/gl.h>
#include<GL/glu.h>
#include<GL/glut.h>
#include<stdlib.h>
#include<iostream.h>

void axis(double length)
{
  glPushMatrix();
  glBegin(GL_LINES);
  glVertex3d(0,0,0);
  glVertex3d(0,0,length);
  glEnd();
  glTranslated(0,0,length-0.2);
  glutWireCone(0.04,0.2,12,9);
  glPopMatrix();
}

void displayWire(void)
{
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  glOrtho(-2.0*64/48.0, 2.0*64/48.0, -2.0, 2.0, 0.1, 100);
  glMatrixMode(GL_MODELVIEW);
  glLoadIdentity();
  gluLookAt(2.0, 2.0, 2.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);

  // the axes:
  glClear(GL_COLOR_BUFFER_BIT);  
  glColor3d(0,0,0);  
  glPushMatrix();
  axis(0.5);
  glRotated(90, 0, 1.0, 0);
  axis(0.5);
  glRotated(-90, 1.0, 0.0, 0);
  axis(0.5);
  glPopMatrix();

  // the big cube:
  glPushMatrix();
  glTranslated(0.5, 0.5, 0.5);
  glutWireCube(1.0);
  glPopMatrix();

  // the sphere:
  glPushMatrix();
  glTranslated(1.0, 1.0, 0.0);
  glutWireSphere(0.25, 10, 8);
  glPopMatrix();

  // the cone:
  glPushMatrix();
  glTranslated(1.0, 0.0, 1.0);
  glutWireCone(0.2, 0.5, 10, 8);
  glPopMatrix();

  // the teapot:
  glPushMatrix();
  glTranslated(1.0, 1.0, 1.0);
  glutWireTeapot(0.2);
  glPopMatrix();

  // the torus:
  glPushMatrix();
  glTranslated(0.0, 1.0, 0.0);
  glRotated(90.0, 1, 0, 0);
  glutWireTorus(0.1, 0.3, 10, 10);
  glPopMatrix();

  // the dodecahedron:
  glPushMatrix();
  glTranslated(1.0, 0.0, 0.0);
  glScaled(0.15, 0.15, 0.15);
  glutWireDodecahedron();
  glPopMatrix();

  // the small cube:
  glPushMatrix();
  glTranslated(0.0, 1.0, 1.0);
  glutWireCube(0.25);
  glPopMatrix();

  // the cylinder:
  glPushMatrix();
  glTranslated(0.0, 0.0, 1.0);
  GLUquadricObj * qobj;
  qobj = gluNewQuadric();
  gluQuadricDrawStyle(qobj,GLU_LINE);
  gluCylinder(qobj, 0.2, 0.2, 0.4, 8, 8);
  glPopMatrix();

  glFlush();
}

void main(int argc, char** argv)
{
  glutInit(&argc, argv);
  glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
  glutInitWindowSize(640, 480);
  glutInitWindowPosition(100, 100);

  glutCreateWindow("3D scene");
  glutDisplayFunc(displayWire);
  glClearColor(1.0,1.0,1.0,0.0);
  glViewport(0, 0, 640, 480);
  glutMainLoop();
}