Des objets affectés d'un matériel pouvant être paramétré:
/* Auteur: Nicolas JANEY */
/* nicolas.janey@univ-fcomte.fr */
/* Decembre 2001 */
/* Les parametres de material */
#include <stdio.h>
#include <stdlib.h>
#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include "ModuleCouleurs.h"
#include "ModuleManipulateur.h"
#include "ModuleMenus.h"
#include "ModuleReshape.h"
#include "ModuleFont.h"
static float diffuse0[4] = { 0.5F,0.5F,0.7F,1.0F };
static float ambiant0[4] = { 0.1F,0.1F,0.3F,1.0F };
static float specular0[4] = { 0.4F,0.4F,0.0F,1.0F };
static float emission0[4] = { 0.0F,0.0F,0.0F,1.0F };
static float shininess0[1] = { 40.0F };
static float diffuse1[4] = { 0.8F,0.8F,0.8F,1.0F };
static float ambiant1[4] = { 0.0F,0.0F,0.0F,1.0F };
static float specular1[4] = { 0.0F,0.0F,0.0F,1.0F };
static float emission1[4] = { 0.0F,0.0F,0.0F,1.0F };
static float shininess1[1] = { 0.0F };
static float diffuse2[4] = { 0.0F,0.0F,0.0F,1.0F };
static float ambiant2[4] = { 0.8F,0.8F,0.8F,1.0F };
static float specular2[4] = { 0.0F,0.0F,0.0F,1.0F };
static float emission2[4] = { 0.0F,0.0F,0.0F,1.0F };
static float shininess2[1] = { 0.0F };
static float diffuse3[4] = { 0.0F,0.0F,0.0F,1.0F };
static float ambiant3[4] = { 0.0F,0.0F,0.0F,1.0F };
static float specular3[4] = { 1.0F,0.0F,0.0F,1.0F };
static float emission3[4] = { 0.0F,0.0F,0.0F,1.0F };
static float shininess3[1] = { 45.0F };
static float diffuse4[4] = { 0.0F,0.0F,0.0F,1.0F };
static float ambiant4[4] = { 0.0F,0.0F,0.0F,1.0F };
static float specular4[4] = { 1.0F,0.0F,0.0F,1.0F };
static float emission4[4] = { 0.0F,0.0F,0.0F,1.0F };
static float shininess4[1] = { 5.0F };
static float diffuse5[4] = { 0.0F,0.0F,0.0F,1.0F };
static float ambiant5[4] = { 0.0F,0.0F,0.0F,1.0F };
static float specular5[4] = { 0.0F,0.0F,0.0F,1.0F };
static float emission5[4] = { 1.0F,1.0F,0.0F,1.0F };
static float shininess5[1] = { 0.0F };
static float diffuse6[4] = { 0.3F,0.0F,0.6F,1.0F };
static float ambiant6[4] = { 0.1F,0.3F,0.0F,1.0F };
static float specular6[4] = { 1.0F,0.7F,0.0F,1.0F };
static float emission6[4] = { 0.0F,0.0F,0.1F,1.0F };
static float shininess6[1] = { 111.0F };
static float diffuse[4];
static float ambiant[4];
static float specular[4];
static float emission[4];
static float shininess[1];
static float *tp[5] = { shininess,emission,specular,ambiant,diffuse };
static float *tc[7] = { couleurBlanc(),couleurMagenta(),couleurCyan(),
couleurJaune(),couleurRouge(),couleurVert(),couleurBleu() };
static float posLum[4] = { 0.5F,0.5F,3.0F,1.0F };
static float noir[4] = { 0.0F,0.0F,0.0F,1.0F };
static int param = 4;
static int pparam = 0;
static int nbparam[5] = { 1,3,3,3,3 };
static int f1;
static int f2;
static int disc = 60;
static int aff = 0;
static int cc = 0;
void affecteMaterial(float *d,float *a,float *s,float *e,float *sh){
for ( int i = 0 ; i < 4 ; i++ ) {
diffuse[i] = d[i];
ambiant[i] = a[i];
specular[i] = s[i];
emission[i] = e[i]; }
shininess[0] = sh[0];
}
void init(void) {
setManipulateurClavierAngle(20.0F,30.0F,0.0F);
affecteMaterial(diffuse0,ambiant0,specular0,emission0,shininess0);
}
void display1() {
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT);
glPushMatrix();
manipulateurClavier();
glLightfv(GL_LIGHT0,GL_DIFFUSE,tc[cc]);
glLightfv(GL_LIGHT0,GL_AMBIENT,tc[cc]);
glLightfv(GL_LIGHT0,GL_SPECULAR,tc[cc]);
glLightfv(GL_LIGHT0,GL_POSITION,posLum);
glEnable(GL_LIGHTING);
glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,diffuse);
glMaterialfv(GL_FRONT_AND_BACK,GL_AMBIENT,ambiant);
glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,specular);
glMaterialfv(GL_FRONT_AND_BACK,GL_EMISSION,emission);
glMaterialfv(GL_FRONT_AND_BACK,GL_SHININESS,shininess);
manipulateurSouris();
switch(aff) {
case 0 : glutSolidTorus(0.4,0.9,disc,disc) ;
break;
case 1 : glutSolidSphere(1.2,disc,disc) ;
break;
case 2 : glNormal3f(0.0F,0.0F,1.0F);
glBegin(GL_QUADS);
for ( int i = 0 ; i < disc ; i++ )
for ( int j = 0 ; j < disc ; j++ ) {
glVertex2f(-1.0F+i*2.0F/disc,-1.0F+j*2.0F/disc);
glVertex2f(-1.0F+(i+1)*2.0F/disc,-1.0F+j*2.0F/disc);
glVertex2f(-1.0F+(i+1)*2.0F/disc,-1.0F+(j+1)*2.0F/disc);
glVertex2f(-1.0F+i*2.0F/disc,-1.0F+(j+1)*2.0F/disc); }
glEnd(); }
glPopMatrix();
glDisable(GL_LIGHTING);
glutSwapBuffers();
}
void display2() {
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT);
glPushMatrix();
glColor4fv(couleurBlanc());
glBegin(GL_LINES);
glVertex2f(2.0F,0.0F);
glVertex2f(333.0F,0.0F);
glEnd();
glColor4fv(couleurJaune());
glBegin(GL_LINE_LOOP);
glVertex2f(2.0F,5.0F+param*20.0F);
glVertex2f(333.0F,5.0F+param*20.0F);
glVertex2f(333.0F,25.0F+param*20.0F);
glVertex2f(2.0F,25.0F+param*20.0F);
glEnd();
glColor4fv(couleurRouge());
glBegin(GL_LINE_LOOP);
glVertex2f(122.0F+70.0*pparam,6.0F+param*20.0F);
glVertex2f(186.0F+70.0*pparam,6.0F+param*20.0F);
glVertex2f(186.0F+70.0*pparam,24.0F+param*20.0F);
glVertex2f(122.0F+70.0*pparam,24.0F+param*20.0F);
glEnd();
glPopMatrix();
glPushMatrix();
float pos = 0;
glColor4fv((param == pos) ? couleurJaune() : couleurBlanc());
placeFontCursor(5.0F,10.0F+pos*20.0F,0.0F) ;
simpleBitmapOutput(REGULAR8x13,"SHININESS : %6.2f",shininess[0]) ;
pos = 1;
glColor4fv((param == pos) ? couleurJaune() : couleurBlanc());
placeFontCursor(5.0F,10.0F+pos*20.0F,0.0F) ;
simpleBitmapOutput(REGULAR8x13,"EMISSION : %6.2f %6.2f %6.2f",emission[0],emission[1],emission[2]) ;
pos = 2;
glColor4fv((param == pos) ? couleurJaune() : couleurBlanc());
placeFontCursor(5.0F,10.0F+pos*20.0F,0.0F) ;
simpleBitmapOutput(REGULAR8x13,"SPECULAR : %6.2f %6.2f %6.2f",specular[0],specular[1],specular[2]) ;
pos = 3;
glColor4fv((param == pos) ? couleurJaune() : couleurBlanc());
placeFontCursor(5.0F,10.0F+pos*20.0F,0.0F) ;
simpleBitmapOutput(REGULAR8x13,"AMBIENT : %6.2f %6.2f %6.2f",ambiant[0],ambiant[1],ambiant[2]) ;
pos = 4;
glColor4fv((param == pos) ? couleurJaune() : couleurBlanc());
placeFontCursor(5.0F,10.0F+pos*20.0F,0.0F) ;
simpleBitmapOutput(REGULAR8x13,"DIFFUSE : %6.2f %6.2f %6.2f",diffuse[0],diffuse[1],diffuse[2]) ;
pos = -4.5F;
glColor4fv(couleurBlanc());
placeFontCursor(5.0F,10.0F+pos*20.0F,0.0F) ;
simpleBitmapOutput(REGULAR8x13,"POSITION : %6.2f %6.2f %6.2f",posLum[0],posLum[1],posLum[2]) ;
pos = -3.5F;
placeFontCursor(5.0F,10.0F+pos*20.0F,0.0F) ;
simpleBitmapOutput(REGULAR8x13,"SPECULAR : %6.2f %6.2f %6.2f",tc[cc][0],tc[cc][1],tc[cc][2]) ;
pos = -2.5F;
placeFontCursor(5.0F,10.0F+pos*20.0F,0.0F) ;
simpleBitmapOutput(REGULAR8x13,"AMBIENT : %6.2f %6.2f %6.2f",tc[cc][0],tc[cc][1],tc[cc][2]) ;
pos = -1.5F;
placeFontCursor(5.0F,10.0F+pos*20.0F,0.0F) ;
simpleBitmapOutput(REGULAR8x13,"DIFFUSE : %6.2f %6.2f %6.2f",tc[cc][0],tc[cc][1],tc[cc][2]) ;
glPopMatrix();
glutSwapBuffers();
}
void augmente(float *v,float dif,float max) {
*v += dif;
if ( *v > max )
*v = max;
}
void diminue(float *v,float dif,float min) {
*v -= dif;
if ( *v < min )
*v = min;
}
void augmenteCoef(float *v) {
*v += 0.01F;
if ( *v > 1.0F )
*v = 1.0F;
}
void diminueCoef(float *v) {
*v -= 0.01F;
if ( *v < 0.0F )
*v = 0.0F;
}
void special2(int k,int x,int y) {
switch (k) {
case GLUT_KEY_PAGE_DOWN : switch (param) {
case 4 :
case 3 :
case 2 :
case 1 : diminue(&tp[param][pparam],0.1F,0.0F);
break;
case 0 : diminue(&tp[param][pparam],1.0F,0.0F);
break; }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case GLUT_KEY_PAGE_UP : switch (param) {
case 4 :
case 3 :
case 2 :
case 1 : augmente(&tp[param][pparam],0.1F,1.0F);
break;
case 0 : augmente(&tp[param][pparam],1.0F,128.0F);
break; }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case GLUT_KEY_F1 : affecteMaterial(diffuse0,ambiant0,specular0,emission0,shininess0);
aff = 0;
setManipulateurClavierAngle(20.0F,30.0F,0.0F);
setManipulateurSourisAngle(0.0F,0.0F,0.0F);
glutPostWindowRedisplay(f1);
glutPostWindowRedisplay(f2);
break;
case GLUT_KEY_F2 : affecteMaterial(diffuse1,ambiant1,specular1,emission1,shininess1);
aff = 0;
setManipulateurClavierAngle(20.0F,30.0F,0.0F);
setManipulateurSourisAngle(0.0F,0.0F,0.0F);
glutPostWindowRedisplay(f1);
glutPostWindowRedisplay(f2);
break;
case GLUT_KEY_F3 : affecteMaterial(diffuse2,ambiant2,specular2,emission2,shininess2);
aff = 0;
setManipulateurClavierAngle(20.0F,30.0F,0.0F);
setManipulateurSourisAngle(0.0F,0.0F,0.0F);
glutPostWindowRedisplay(f1);
glutPostWindowRedisplay(f2);
break;
case GLUT_KEY_F4 : affecteMaterial(diffuse3,ambiant3,specular3,emission3,shininess3);
aff = 0;
setManipulateurClavierAngle(20.0F,30.0F,0.0F);
setManipulateurSourisAngle(0.0F,0.0F,0.0F);
glutPostWindowRedisplay(f1);
glutPostWindowRedisplay(f2);
break;
case GLUT_KEY_F5 : affecteMaterial(diffuse4,ambiant4,specular4,emission4,shininess4);
aff = 0;
setManipulateurClavierAngle(20.0F,30.0F,0.0F);
setManipulateurSourisAngle(0.0F,0.0F,0.0F);
glutPostWindowRedisplay(f1);
glutPostWindowRedisplay(f2);
break;
case GLUT_KEY_F6 : affecteMaterial(diffuse5,ambiant5,specular5,emission5,shininess5);
aff = 0;
setManipulateurClavierAngle(20.0F,30.0F,0.0F);
setManipulateurSourisAngle(0.0F,0.0F,0.0F);
glutPostWindowRedisplay(f1);
glutPostWindowRedisplay(f2);
break;
case GLUT_KEY_F7 : affecteMaterial(diffuse6,ambiant6,specular6,emission6,shininess6);
aff = 2;
setManipulateurClavierAngle(2.0F,2.0F,2.0F);
setManipulateurSourisAngle(1.0F,2.0F,3.0F);
glutPostWindowRedisplay(f1);
glutPostWindowRedisplay(f2);
break;
case GLUT_KEY_UP : param = (param+1)%5;
pparam = pparam%nbparam[param];
glutPostWindowRedisplay(f2);
break;
case GLUT_KEY_DOWN : param = (param+4)%5;
pparam = pparam%nbparam[param];
glutPostWindowRedisplay(f2);
break;
case GLUT_KEY_RIGHT : pparam = (pparam+1)%nbparam[param];
glutPostWindowRedisplay(f2);
break;
case GLUT_KEY_LEFT : pparam = (pparam+nbparam[param]-1)%nbparam[param];
glutPostWindowRedisplay(f2);
break; }
}
void special1(int k,int x,int y) {
if ( specialManipulateur(k,x,y) )
glutPostWindowRedisplay(f1);
else
special2(k,x,y);
}
void key2(unsigned char key,int x,int y) {
switch ( key ) {
case '8' : special2(GLUT_KEY_UP,x,y);
break;
case '2' : special2(GLUT_KEY_DOWN,x,y);
break;
case '4' : special2(GLUT_KEY_LEFT,x,y);
break;
case '6' : special2(GLUT_KEY_RIGHT,x,y);
break;
case '9' : special2(GLUT_KEY_PAGE_UP,x,y);
break;
case '3' : special2(GLUT_KEY_PAGE_DOWN,x,y);
break;
case 43 : switch (param) {
case 4 :
case 3 :
case 2 :
case 1 : augmente(&tp[param][pparam],0.01F,1.0F);
break;
case 0 : augmente(&tp[param][pparam],0.1F,128.0F);
break; }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case 45 : switch (param) {
case 4 :
case 3 :
case 2 :
case 1 : diminue(&tp[param][pparam],0.01F,0.0F);
break;
case 0 : diminue(&tp[param][pparam],0.1F,0.0F);
break; }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case '0' : switch ( param ) {
case 4 : diffuse[0] = diffuse[1] = diffuse[2] = 0.0F;
break;
case 3 : ambiant[0] = ambiant[1] = ambiant[2] = 0.0F;
break;
case 2 : specular[0] = specular[1] = specular[2] = 0.0F;
break;
case 1 : emission[0] = emission[1] = emission[2] = 0.0F;
break;
case 0 : shininess[0] = 0.0F; }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case '1' : switch ( param ) {
case 4 : diffuse[0] = diffuse[1] = diffuse[2] = 1.0F;
break;
case 3 : ambiant[0] = ambiant[1] = ambiant[2] = 1.0F;
break;
case 2 : specular[0] = specular[1] = specular[2] = 1.0F;
break;
case 1 : emission[0] = emission[1] = emission[2] = 1.0F;
break;
case 0 : shininess[0] = 128.0F; }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case 'r' : switch ( param ) {
case 4 : augmenteCoef(&diffuse[0]);
break;
case 3 : augmenteCoef(&ambiant[0]);
break;
case 2 : augmenteCoef(&specular[0]);
break;
case 1 : augmenteCoef(&emission[0]); }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case 'R' : switch ( param ) {
case 4 : diminueCoef(&diffuse[0]);
break;
case 3 : diminueCoef(&ambiant[0]);
break;
case 2 : diminueCoef(&specular[0]);
break;
case 1 : diminueCoef(&emission[0]); }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case 'v' : switch ( param ) {
case 4 : augmenteCoef(&diffuse[1]);
break;
case 3 : augmenteCoef(&ambiant[1]);
break;
case 2 : augmenteCoef(&specular[1]);
break;
case 1 : augmenteCoef(&emission[1]);
break; }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case 'V' : switch ( param ) {
case 4 : diminueCoef(&diffuse[1]);
break;
case 3 : diminueCoef(&ambiant[1]);
break;
case 2 : diminueCoef(&specular[1]);
break;
case 1 : diminueCoef(&emission[1]);
break; }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case 'b' : switch ( param ) {
case 4 : augmenteCoef(&diffuse[2]);
break;
case 3 : augmenteCoef(&ambiant[2]);
break;
case 2 : augmenteCoef(&specular[2]);
break;
case 1 : augmenteCoef(&emission[2]);
break; }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case 'B' : switch ( param ) {
case 4 : diminueCoef(&diffuse[2]);
break;
case 3 : diminueCoef(&ambiant[2]);
break;
case 2 : diminueCoef(&specular[2]);
break;
case 1 : diminueCoef(&emission[2]);
break; }
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case 's' : shininess[0] += 0.1F;
if ( shininess[0] > 128.0F )
shininess[0] = 128.0F;
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case 'S' : shininess[0] -= 0.1F;
if ( shininess[0] < 0.0F )
shininess[0] = 0.0F;
glutPostWindowRedisplay(f2);
glutPostWindowRedisplay(f1);
break;
case 'd' : disc += 5;
glutPostWindowRedisplay(f1);
break;
case 'D' : disc -= 5;
if ( disc < 5 )
disc = 5;
glutPostWindowRedisplay(f1);
break;
case ' ' : cc = (cc+1)%7;
glutPostWindowRedisplay(f1);
glutPostWindowRedisplay(f2);
break;
case 0x0D : aff = (aff+1)%3;
glutPostWindowRedisplay(f1);
break;
case 0x1B : exit(0);
break; }
}
void key1(unsigned char ky,int x,int y) {
if ( keyManipulateur(ky,x,y) )
glutPostWindowRedisplay(f1);
else
key2(ky,x,y);
}
void reshape2(int w,int h) {
glViewport(0,0,w,h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0,w,110-h,110,-1.0,1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void myinit(void) {
glEnable(GL_AUTO_NORMAL);
glEnable(GL_NORMALIZE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHT0);
glLightModelfv(GL_LIGHT_MODEL_AMBIENT,noir);
}
int main(int argc,char **argv) {
glutInit(&argc,argv);
init();
glutInitWindowSize(250,200);
glutInitWindowPosition(30,50);
glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
f1 = glutCreateWindow("Le materiel");
myinit();
creationMenuBasique();
setParametresOrthoBasique(-1.5,1.5,-1.5,1.5,-500.0,500.0);
setManipulateurDistance(1.0F);
glutReshapeFunc(reshapeOrthoBasique);
glutDisplayFunc(display1);
glutKeyboardFunc(key1);
glutSpecialFunc(special1);
glutMotionFunc(motionBasique);
glutMouseFunc(sourisBasique);
glutInitWindowSize(335,200);
glutInitWindowPosition(50,290);
glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
f2 = glutCreateWindow("Valeurs");
myinit();
creationMenuBasique();
glutDisplayFunc(display2);
glutReshapeFunc(reshape2);
glutKeyboardFunc(key2);
glutSpecialFunc(special2);
glutMainLoop();
return(0);
}
RETOUR