Le source : Exam-TD2-2004-2005-Exo1.cpp
/* Auteur: Nicolas JANEY */
/* nicolas.janey@univ-fcomte.fr */
/* Decembre 2004 */
/* Animation de camera via le clavier */
#include <stdio.h>
#include <stdlib.h>
#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include "ModuleCouleurs.h"
#include "ModuleMenus.h"
#include "ModuleFont.h"
static int mode = 1;
static int f1;
static int f2;
void myinit(void) {
GLfloat shinines[] = { 100.0F };
glClearColor(0.5F,0.5F,1.0F,1.0F) ;
glMaterialfv(GL_FRONT,GL_DIFFUSE,couleurBlanc());
glMaterialfv(GL_FRONT,GL_SPECULAR,couleurBlanc());
glMaterialfv(GL_FRONT,GL_SHININESS,shinines);
glLightfv(GL_LIGHT0,GL_DIFFUSE,couleurGrisMoyen());
glLightfv(GL_LIGHT0,GL_SPECULAR,couleurRouge());
glLightfv(GL_LIGHT1,GL_DIFFUSE,couleurGrisMoyen());
glLightfv(GL_LIGHT1,GL_SPECULAR,couleurVert());
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHT1);
glDepthFunc(GL_LESS);
glEnable(GL_DEPTH_TEST);
glEnable(GL_AUTO_NORMAL);
glEnable(GL_NORMALIZE);
}
void scene(void) {
GLfloat pos0[] = { 1.0F,1.0F,1.0F,0.0F };
GLfloat pos1[] = { 1.0F,-1.0F,-1.0F,0.0F };
glLightfv(GL_LIGHT0,GL_POSITION,pos0);
glLightfv(GL_LIGHT1,GL_POSITION,pos1);
glPushMatrix();
switch ( mode ) {
case 0 : { for ( int i = -75 ; i <= 75 ; i += 50 )
for ( int j = -75 ; j <= 75 ; j += 50 )
for ( int k = -75 ; k <= 75 ; k += 50 ) {
glPushMatrix();
glTranslatef(i,j,k);
glRotatef(30.0F,1.0F,1.0F,1.0F);
glutSolidSphere(15,24,24);
glPopMatrix(); } }
break;
case 1 : glutSolidSphere(100.0F,72,72);
break; }
glPopMatrix();
}
static float px = 1000.0F ;
static int fw ;
static int fh ;
void redisplay(void) {
glutPostWindowRedisplay(f1);
glutPostWindowRedisplay(f2);
}
void reshape(int w,int h) {
glViewport(0,0,w,h);
fw = w;
fh = h;
}
void display(void) {
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(13.0*1000.0/px,
fw/(float)fh,
px-110.0F,px+110.0F);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(px,0.0F,0.0F,
0.0F,0.0F,0.0F,
0.0F,1.0F,0.0F);
scene();
glFlush();
glutSwapBuffers();
}
void special(int k,int x,int y) {
switch ( k ) {
case GLUT_KEY_DOWN : px += 2.0F;
if ( px > 1000.0F )
px = 1000.0F;
redisplay();
break;
case GLUT_KEY_UP : px -= 2.0F;
if ( px < 120.0F )
px = 120.0F;
redisplay();
break; }
}
void key(unsigned char k,int x,int y) {
switch ( k ) {
case 0x1B : exit(0);
break;
case 0x0D : mode = !mode;
redisplay(); }
}
void reshape2(int w,int h) {
glViewport(0,0,w,h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0,w,-h,0,-1.0,1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void display2() {
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT);
glClearColor(0.0F,0.0F,0.0F,1.0F) ;
glPushMatrix();
glColor4fv(couleurBlanc());
float pos = 1.0F;
placeFontCursor(5.0F,-pos*20.0F,0.0F) ;
simpleBitmapOutput(1,REGULAR8x13,"Position en x : %4.0f",px) ;
pos += 1.0F;
placeFontCursor(5.0F,-pos*20.0F,0.0F) ;
simpleBitmapOutput(1,REGULAR8x13,"Angle d'ouverture : %8.3f degres",13000.0F/px) ;
glPopMatrix();
glutSwapBuffers();
}
int main(int argc,char **argv) {
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
glutInitWindowSize(250,250);
glutInitWindowPosition(50,50);
f1 = glutCreateWindow("Animation de caméra");
myinit();
creationMenuBasique();
glutReshapeFunc(reshape);
glutKeyboardFunc(key);
glutSpecialFunc(special);
glutDisplayFunc(display);
glutInitWindowSize(360,50);
glutInitWindowPosition(60,330);
glutInitDisplayMode(GLUT_RGBA|GLUT_DEPTH|GLUT_DOUBLE);
f2 = glutCreateWindow("Valeurs");
creationMenuBasique();
glutDisplayFunc(display2);
glutReshapeFunc(reshape2);
glutKeyboardFunc(key);
glutSpecialFunc(special);
glutMainLoop();
return(0);
}
RETOUR