/* Auteur: Nicolas JANEY */
/* nicolas.janey@univ-fcomte.fr */
/* Septembre 2007 */
/* Un programme de test des objets de GLUT */
#include <stdlib.h>
#include <stdio.h>
#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include "ModuleCylindres.h"
#include "ModuleAxes.h"
/* Variables globales pour l'activation */
/* de la gestion des ombrages et d'une rotation */
static int l = 1;
static int r = 0;
/* Fonction d'initialisation des parametres */
/* OpenGL ne changeant pas au cours de la vie */
/* du programme */
void init(void) {
const GLfloat l_pos[] = { 1.0F,1.0F,1.0F,0.0F };
const GLfloat c[4] = { 0.5F,0.2F,0.6F,1.0F };
glMaterialfv(GL_FRONT,GL_DIFFUSE,c);
glLightfv(GL_LIGHT0,GL_POSITION,l_pos);
glEnable(GL_LIGHT0);
glColor4fv(c) ;
glEnable(GL_DEPTH_TEST);
glEnable(GL_NORMALIZE);
}
/* Scene dessinee */
void mySolidCube(double w,double h,double d) {
glPushMatrix();
glScalef(w,h,d);
glutSolidCube(1.0);
glPopMatrix();
}
void scene(void) {
glPushMatrix();
glPushMatrix();
glTranslatef(1.5F,1.5F,0.0F);
glutSolidSphere(1.0,36,36);
glPopMatrix();
glPushMatrix();
glTranslatef(-1.5F,1.5F,0.0F);
mySolidCube(2.0,2.0,2.0);
glPopMatrix();
glPushMatrix();
glTranslatef(-1.5F,-1.5F,0.0F);
glutSolidCone(1.0,2.0,36,10);
glPopMatrix();
glPushMatrix();
glTranslatef(1.5F,-1.5F,0.0F);
solidCylindre(1.0,2.0,36,10);
glPopMatrix();
glPopMatrix();
}
/* Fonction executee lors d'un rafraichissement */
/* de la fenetre de dessin */
void display(void) {
glClearColor(0.8F,0.8F,0.8F,1.0F) ;
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT) ;
if ( l )
glEnable(GL_LIGHTING);
else
glDisable(GL_LIGHTING);
glPushMatrix();
if ( r ) {
glRotatef(20.0F,1.0F,0.0F,0.0F);
glRotatef(-30.0F,0.0F,1.0F,0.0F); }
axes();
scene();
glPopMatrix();
glFlush();
glutSwapBuffers();
int error = glGetError();
if ( error != GL_NO_ERROR )
printf("Attention, erreur OpenGL %d\n",error);
}
/* Fonction executee lors de la frappe */
/* d'une touche du clavier */
void key(unsigned char key,int x,int y) {
switch ( key ) {
case 0x0D : l = !l ;
glutPostRedisplay();
break;
case 0x20 : r = !r ;
glutPostRedisplay();
break;
case 0x1B : exit(0); }
}
/* Fonction executee lors d'un changement */
/* de la taille de la fenetre OpenGL */
void reshape(int tx,int ty) {
glViewport(0,0,tx,ty);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho((double) -3.0*tx/ty,(double) 3.0*tx/ty,-3.0,3.0,-5.0,5.0) ;
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
/* Fonction principale */
int main(int argc,char **argv) {
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_RGBA|GLUT_DOUBLE);
glutInitWindowSize(350,350);
glutInitWindowPosition(50,50);
glutCreateWindow("Test objets");
init();
glutReshapeFunc(reshape);
glutKeyboardFunc(key);
glutDisplayFunc(display);
glutMainLoop();
return(0);
}
RETOUR