/* Auteur: Nicolas JANEY                 */
/* Avril 2001                            */
/* Les primitives graphiques OpenGL      */

#include <windows.h>

#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glaux.h>

#include <stdio.h>
#include <stdlib.h>

static float anglex = 0.0F ;
static float angley = 0.0F ;
static int obj = 0 ;

void CALLBACK display(void) {
  glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
  glColor3f(0.0F,0.0F,0.0F);
  glPushMatrix();
  glRotatef(angley,0.0F,1.0F,0.0F) ;
  glRotatef(anglex,1.0F,0.0F,0.0F) ;
  switch ( obj ) {
    case 0  : glBegin(GL_POINTS) ;
              glVertex3f(-7.0F,4.0F,1.0F) ;
              glVertex3f(8.0F,-1.0F,-2.0F) ;
              glVertex3f(-3.0F,7.0F,3.0F) ;
              glVertex3f(-1.0F,-8.0F,0.0F) ;
              glVertex3f(2.0F,-4.0F,5.0F) ;
              glVertex3f(5.0F,8.0F,1.0F) ;
              glEnd() ;
              break ;
    case 1  : glBegin(GL_LINES) ;
              glVertex3f(-7.0F,4.0F,-1.0F) ;
              glVertex3f(8.0F,-1.0F,2.0F) ;
              glVertex3f(-3.0F,7.0F,0.0F) ;
              glVertex3f(-1.0F,-8.0F,4.0F) ;
              glVertex3f(2.0F,-4.0F,-2.0F) ;
              glVertex3f(5.0F,8.0F,3.0F) ;
              glEnd() ;
              break ;
    case 2  : glBegin(GL_LINE_STRIP) ;
              glVertex3f(-7.0F,4.0F,-1.0F) ;
              glVertex3f(8.0F,-1.0F,2.0F) ;
              glVertex3f(-3.0F,7.0F,0.0F) ;
              glVertex3f(-1.0F,-8.0F,4.0F) ;
              glVertex3f(2.0F,-4.0F,-2.0F) ;
              glVertex3f(5.0F,8.0F,3.0F) ;
              glEnd() ;
              break ;
    case 3  : glBegin(GL_LINE_LOOP) ;
              glVertex3f(-7.0F,4.0F,-1.0F) ;
              glVertex3f(8.0F,-1.0F,2.0F) ;
              glVertex3f(-3.0F,7.0F,0.0F) ;
              glVertex3f(-1.0F,-8.0F,4.0F) ;
              glVertex3f(2.0F,-4.0F,-2.0F) ;
              glVertex3f(5.0F,8.0F,3.0F) ;
              glEnd() ;
              break ;
    case 4  : glBegin(GL_POLYGON) ;
              glColor3f(0.0F,0.0F,1.0F) ;
              glVertex3f(-7.0F,4.0F,0.0F) ;
              glVertex3f(-3.0F,7.0F,0.0F) ;
              glVertex3f(5.0F,8.0F,0.0F) ;
              glVertex3f(8.0F,-1.0F,0.0F) ;
              glVertex3f(2.0F,-4.0F,0.0F) ;
              glVertex3f(-1.0F,-8.0F,0.0F) ;
              glEnd() ;
              break ;
    case 5  : glBegin(GL_QUADS) ;
              glColor3f(0.0F,0.0F,1.0F) ;
              glVertex3f(-7.0F,2.0F,1.0F) ;
              glVertex3f(-1.0F,7.0F,1.0F) ;
              glVertex3f(2.0F,6.0F,1.0F) ;
              glVertex3f(-6.0F,-3.0F,1.0F) ;
              glColor3f(1.0F,0.0F,0.0F) ;
              glVertex3f(3.0F,-8.0F,-2.0F) ;
              glVertex3f(7.0F,-5.0F,-2.0F) ;
              glVertex3f(9.0F,2.0F,-2.0F) ;
              glVertex3f(1.0F,-3.0F,-2.0F) ;
              glEnd() ;
              break ;
    case 6  : glBegin(GL_QUAD_STRIP) ;
              glColor3f(0.0F,0.0F,1.0F) ;
              glVertex3f(-7.0F,5.0F,0.0F) ;
              glVertex3f(-3.0F,8.0F,0.0F) ;
              glColor3f(1.0F,0.0F,0.0F) ;
              glVertex3f(-4.0F,-2.0F,0.0F) ;
              glVertex3f(0.0F,3.0F,0.0F) ;
              glColor3f(0.0F,1.0F,0.0F) ;
              glVertex3f(2.0F,-2.5F,0.0F) ;
              glVertex3f(3.0F,5.0F,0.0F) ;
              glColor3f(0.0F,1.0F,1.0F) ;
              glVertex3f(8.5F,0.0F,0.0F) ;
              glVertex3f(8.0F,2.0F,0.0F) ;
              glEnd() ;
              break ;
    case 7  : glBegin(GL_TRIANGLES) ;
              glColor3f(0.0F,0.0F,1.0F) ;
              glVertex3f(-7.0F,-6.0F,2.0F) ;
              glVertex3f(-5.0F,7.0F,-4.0F) ;
              glVertex3f(2.0F,-5.0F,-1.0F) ;
              glColor3f(0.0F,1.0F,0.0F) ;
              glVertex3f(-3.0F,8.0F,-5.0F) ;
              glVertex3f(7.0F,-5.0F,3.0F) ;
              glVertex3f(9.0F,7.0F,2.0F) ;
              glEnd() ;
              break ;
    case 8  : glBegin(GL_TRIANGLE_STRIP) ;
              glColor3f(0.0F,0.0F,1.0F) ;
              glVertex3f(-7.0F,5.0F,3.0F) ;
              glVertex3f(-3.0F,8.0F,2.0F) ;
              glColor3f(1.0F,0.0F,0.0F) ;
              glVertex3f(-4.0F,-2.0F,-1.0F) ;
              glVertex3f(0.0F,3.0F,0.0F) ;
              glColor3f(0.0F,1.0F,0.0F) ;
              glVertex3f(2.0F,-2.5F,5.0F) ;
              glVertex3f(3.0F,5.0F,3.0F) ;
              glColor3f(0.0F,1.0F,1.0F) ;
              glVertex3f(8.5F,0.0F,-1.0F) ;
              glVertex3f(8.0F,2.0F,-2.0F) ;
              glEnd() ;
              break ;
    case 9  : glBegin(GL_TRIANGLE_FAN) ;
              glColor3f(0.0F,0.0F,1.0F) ;
              glVertex3f(0.0F,7.0F,3.0F) ;
              glColor3f(1.0F,0.0F,0.0F) ;
              glVertex3f(-7.0F,-2.0F,2.0F) ;
              glColor3f(0.0F,1.0F,0.0F) ;
              glVertex3f(-4.0F,-6.0F,-1.0F) ;
              glColor3f(1.0F,0.0F,0.0F) ;
              glVertex3f(-1.0F,-8.0F,0.0F) ;
              glColor3f(0.0F,1.0F,0.0F) ;
              glVertex3f(1.0F,-1.0F,5.0F) ;
              glColor3f(1.0F,0.0F,0.0F) ;
              glVertex3f(3.0F,-4.0F,3.0F) ;
              glColor3f(0.0F,1.0F,0.0F) ;
              glVertex3f(6.0F,1.0F,-1.0F) ;
              glColor3f(1.0F,0.0F,0.0F) ;
              glVertex3f(8.0F,5.0F,-2.0F) ;
              glEnd() ; }
  glPopMatrix();
  glFlush();
  auxSwapBuffers();
}

void myinit (void) {
  glClearColor(1.0,1.0,1.0,1.0);
  glEnable(GL_DEPTH_TEST) ;
}

void CALLBACK myReshape(int w, int h) {
  glViewport(0,0,w,h);
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  glOrtho(-10.0,10.0,-10.0/w*h,10.0/w*h,-20.0,20.0);
  glMatrixMode(GL_MODELVIEW);
  glLoadIdentity ();
}

void CALLBACK up(void) {
  anglex-- ;
}

void CALLBACK down(void) {
  anglex++ ;
}

void CALLBACK left(void) {
  angley-- ;
}

void CALLBACK right(void) {
  angley++ ;
}

void CALLBACK space(void) {
  obj++ ;
  if ( obj == 10 )
    obj = 0 ;
}

void main(void) {
  auxInitDisplayMode(AUX_DOUBLE|AUX_RGBA|AUX_DEPTH);
  auxInitPosition(0,0,200,200);
  auxInitWindow("Primitives graphiques");
  myinit();
  auxKeyFunc(AUX_UP,up) ;
  auxKeyFunc(AUX_DOWN,down) ;
  auxKeyFunc(AUX_LEFT,left) ;
  auxKeyFunc(AUX_RIGHT,right) ;
  auxKeyFunc(AUX_SPACE,space) ;
  auxReshapeFunc (myReshape);
  auxMainLoop(display);
}