/* Auteur: Nicolas JANEY */
/* nicolas.janey@univ-fcomte.fr */
/* Avril 2001 */
/* Illustration d'une decomposition */
/* de l'espace en voxels pour une */
/* utilisation dans un algorithme */
/* de lancer de rayons */
#include <stdio.h>
#include <math.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"
static int aff = 0 ;
void myinit(void) {
GLfloat light_position0[] = { 1.0F,1.0F,1.0F,0.0F };
glLightfv(GL_LIGHT0,GL_AMBIENT,couleurNoir());
glLightfv(GL_LIGHT0,GL_DIFFUSE,couleurBlanc());
glLightfv(GL_LIGHT0,GL_SPECULAR,couleurBlanc());
glLightfv(GL_LIGHT0,GL_POSITION,light_position0);
glEnable(GL_LIGHT0);
glEnable(GL_AUTO_NORMAL);
glEnable(GL_NORMALIZE);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
}
void display(void) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix() ;
manipulateurSouris();
manipulateurClavier();
glRotatef(10.0F,1.0,0.0,0.0);
glRotatef(15.0F,0.0,1.0,0.0);
glRotatef(0.0F,0.0,0.0,1.0);
glColor4fv(couleurBlanc()) ;
glBegin(GL_LINES) ;
for ( int x = -6 ; x <= 6 ; x += 4 )
for ( int y = -6 ; y <= 6 ; y += 4 ) {
glVertex3i(x,y,-6) ;
glVertex3i(x,y,6) ;
glVertex3i(x,-6,y) ;
glVertex3i(x,6,y) ;
glVertex3i(-6,x,y) ;
glVertex3i(6,x,y) ; }
glEnd() ;
glEnable(GL_LIGHTING);
if ( aff == 1 ) {
glPushMatrix();
glTranslatef(3.0F,2.0F,1.0F);
glMaterialfv(GL_FRONT,GL_DIFFUSE,couleurRouge()) ;
glRotatef(10,1.0,0.0,0.0);
glRotatef(20,0.0,1.0,0.0);
glRotatef(30,0.0,0.0,1.0);
glutSolidSphere(1.3,30,30) ;
glPopMatrix();
glPushMatrix();
glTranslatef(-3.0F,4.0F,-3.0F);
glMaterialfv(GL_FRONT,GL_DIFFUSE,couleurVert()) ;
glRotatef(-10,1.0,0.0,0.0);
glRotatef(-20,0.0,1.0,0.0);
glRotatef(60,0.0,0.0,1.0);
glutSolidCube(1.0) ;
glPopMatrix();
glPushMatrix();
glTranslatef(-0.0F,-4.0F,-2.0F);
glMaterialfv(GL_FRONT,GL_DIFFUSE,couleurBleu()) ;
glRotatef(10,1.0,0.0,0.0);
glRotatef(20,0.0,1.0,0.0);
glRotatef(60,0.0,0.0,1.0);
glutSolidCone(1.9,2.0,30,30) ;
glPopMatrix();
glPushMatrix();
glTranslatef(-2.0F,-4.0F,-4.0F);
glMaterialfv(GL_FRONT,GL_DIFFUSE,couleurJaune()) ;
glRotatef(10,1.0,0.0,0.0);
glRotatef(20,0.0,1.0,0.0);
glRotatef(60,0.0,0.0,1.0);
glutSolidTorus(0.8,1.6,30,30) ;
glPopMatrix();
glPushMatrix();
glTranslatef(4.0F,-1.0F,-4.0F);
glMaterialfv(GL_FRONT,GL_DIFFUSE,couleurMagenta()) ;
glRotatef(10,1.0,0.0,0.0);
glRotatef(20,0.0,1.0,0.0);
glRotatef(60,0.0,0.0,1.0);
glutSolidTeapot(1.5) ;
glPopMatrix();
glPushMatrix();
glTranslatef(-3.0F,3.0F,4.0F);
glMaterialfv(GL_FRONT,GL_DIFFUSE,couleurCyan()) ;
glRotatef(10,1.0,0.0,0.0);
glRotatef(60,0.0,1.0,0.0);
glRotatef(60,0.0,0.0,1.0);
glutSolidCone(0.8,2.5,30,30) ;
glPopMatrix(); }
glDisable(GL_LIGHTING);
glPopMatrix() ;
glFlush();
glutSwapBuffers() ;
}
void key(unsigned char key,int x,int y) {
if ( keyManipulateur(key,x,y) )
glutPostRedisplay();
else
switch ( key ) {
case 0x0D : aff = 1-aff ;
glutPostRedisplay();
break ; }
}
int main(int argc,char **argv) {
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
glutInitWindowSize(300,300);
glutInitWindowPosition(50,50);
glutCreateWindow("Décomposition en voxels");
myinit();
creationMenuBasique();
setParametresOrthoBasique(-11.0,11.0,-11.0,11.0,-50.0,50.0);
setManipulateurDistance(1.0F);
glutReshapeFunc(reshapeOrthoBasique);
glutKeyboardFunc(key);
glutSpecialFunc(specialBasique);
glutMotionFunc(motionBasique);
glutMouseFunc(sourisBasique);
glutDisplayFunc(display);
glutMainLoop();
return(0);
}
RETOUR