probleme animation opengl

bonsoir,
dans mon programme opengl c++, j'ai une voiture qui roule sur une route mais alors je la fais rouler d'un pas de 0.1 et au lieu qu'il roule d'une facon continu elle roule discret comme si elle fait des pas (surement c'est probleme de memoire ) puis elle reste de bouger apres un certain nombre de pas meme si la boucle est pour l'infini
je sais pas pourquoi
voila le code de main (il reste un .h qui contient des fonctions): je souhaite que vous me detectez le probleme :

Code:

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#include "stdafx.h" #include <stdlib.h> #include <stdio.h> #include <time.h> #include <math.h> #include <Windows.h> #include <GL/glut.h> #include "drawing_functions.h" #include "SOIL.h" //#include "glm.h" //#include "drawmodel.h" //#include "glm.c"     /* l'heure systeme   SYSTEMTIME Time;     GetLocalTime(&Time);     printf("Nous sommes le : %02d/%02d/%04d.\n",   Time.wDay, Time.wMonth, Time.wYear);     printf("Et il est : %02dh %02dmn %02ds %03dms.\n",   Time.wHour, Time.wMinute, Time.wSecond, Time.wMilliseconds);   */ float yy = 1.8; GLuint texture[2]; int LoadGLTextures() // Load Bitmaps And Convert To Textures { /* load an image file directly as a new OpenGL texture */ texture[0] = SOIL_load_OGL_texture( "facmodif.bmp",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[1] = SOIL_load_OGL_texture( "vert2.bmp",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[2] = SOIL_load_OGL_texture( "arriere.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[3] = SOIL_load_OGL_texture( "couleur.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[4] = SOIL_load_OGL_texture( "vitre.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[5] = SOIL_load_OGL_texture( "parebrise.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[6] = SOIL_load_OGL_texture( "terrain.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[7] = SOIL_load_OGL_texture( "mur.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[8] = SOIL_load_OGL_texture( "facade.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[9] = SOIL_load_OGL_texture( "facade2.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[10] = SOIL_load_OGL_texture("zlij.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[11] = SOIL_load_OGL_texture("porte.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[12] = SOIL_load_OGL_texture("marbre.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[13] = SOIL_load_OGL_texture("trotoir1.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[14] = SOIL_load_OGL_texture("mur_deniere.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); texture[15] = SOIL_load_OGL_texture("sol.png",SOIL_LOAD_AUTO,SOIL_CREATE_NEW_ID,SOIL_FLAG_INVERT_Y); //if(texture[0] == 0) //return false;     //Typical Texture Generation Using Data From The Bitmap //glBindTexture(GL_TEXTURE_2D, texture[0]); //glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); //glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);   return true; // Return Success }       static void key(unsigned char k, int x, int y) { switch (k) { case 27: //Echaper exit(0); break; default: return; } glutPostRedisplay(); } void Dessiner() {   //for(;;){   //yy = yy -0.1 ;   /* */ glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); glMatrixMode( GL_MODELVIEW ); glLoadIdentity( );   gluLookAt(5.5,6.5,7,0,0,0,0,0,1);   //drawRectangle3D(1.15,1.15,0.1,1.55,1.15,0.1,1.55,7,0.1,1.15,7,0.1); LoadGLTextures();   //glColor3ub(255,255,255);   glBindTexture(GL_TEXTURE_2D, texture[6]); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glMatrixMode(GL_TEXTURE); glLoadIdentity(); //glScalef(2,2,2); glEnable(GL_TEXTURE_2D); glColor3ub(0,255,0); glBegin(GL_QUADS); glTexCoord2i(0,0); glVertex3d(1.55,1.55,0.1); glTexCoord2i(20,0); glVertex3d(1.15,6,0); glTexCoord2i(20,20); glVertex3d(6,6,0); glTexCoord2i(0,20); glVertex3d(6,1.15,0); glEnd();   glDisable(GL_TEXTURE_2D); glMatrixMode( GL_MODELVIEW ); //glLoadIdentity( );   glColor3ub(63,63,63); drawRectangle(1,6,-1,6,-1,-19,1,-19,0.01); // route horizontale drawRectangle(6,1,6,-1,-12,-1,-12,1,0.011); // route verticale glColor3f(1,1,1); drawRectangle(0.99,1.1,0.7,1.1,0.7,1.6,0.99,1.6,0.11);//les places des pietons de la route vers la droite drawRectangle(0.64,1.1,0.4,1.1,0.4,1.6,0.64,1.6,0.11); drawRectangle(0.34,1.1,0.1,1.1,0.1,1.6,0.34,1.6,0.11); drawRectangle(0.04,1.1,-0.2,1.1,-0.2,1.6,0.04,1.6,0.11); drawRectangle(-0.26,1.1,-0.5,1.1,-0.5,1.6,-0.26,1.6,0.11); drawRectangle(-0.56,1.1,-0.84,1.1,-0.84,1.6,-0.56,1.6,0.11);   drawRectangle(0.99,-1.1,0.7,-1.1,0.7,-1.6,0.99,-1.6,0.11);//les places des pietons de la route vers la gauche drawRectangle(0.64,-1.1,0.4,-1.1,0.4,-1.6,0.64,-1.6,0.11); drawRectangle(0.34,-1.1,0.1,-1.1,0.1,-1.6,0.34,-1.6,0.11); drawRectangle(0.04,-1.1,-0.2,-1.1,-0.2,-1.6,0.04,-1.6,0.11); drawRectangle(-0.26,-1.1,-0.5,-1.1,-0.5,-1.6,-0.26,-1.6,0.11); drawRectangle(-0.56,-1.1,-0.84,-1.1,-0.84,-1.6,-0.56,-1.6,0.11);   drawRectangle(-1.1,0.99,-1.1,0.7,-1.6,0.7,-1.6,0.99,0.11);//les places des pietons de la route vers la haut drawRectangle(-1.1,0.64,-1.1,0.4,-1.6,0.4,-1.6,0.64,0.11); drawRectangle(-1.1,0.34,-1.1,0.1,-1.6,0.1,-1.6,0.34,0.11); drawRectangle(-1.1,0.04,-1.1,-0.2,-1.6,-0.2,-1.6,0.04,0.11); drawRectangle(-1.1,-0.26,-1.1,-0.5,-1.6,-0.5,-1.6,-0.26,0.11); drawRectangle(-1.1,-0.56,-1.1,-0.84,-1.6,-0.84,-1.6,-0.56,0.11);   drawRectangle(1.1,0.99,1.1,0.7,1.6,0.7,1.6,0.99,0.11);//les places des pietons de la route vers la bas drawRectangle(1.1,0.64,1.1,0.4,1.6,0.4,1.6,0.64,0.11); drawRectangle(1.1,0.34,1.1,0.1,1.6,0.1,1.6,0.34,0.11); drawRectangle(1.1,0.04,1.1,-0.2,1.6,-0.2,1.6,0.04,0.11); drawRectangle(1.1,-0.26,1.1,-0.5,1.6,-0.5,1.6,-0.26,0.11); drawRectangle(1.1,-0.56,1.1,-0.84,1.6,-0.84,1.6,-0.56,0.11);   int j ; for(j=0;j<15;j++){ drawRectangle(0.04,1.8+j,-0.04,1.8+j,-0.04,2.4+j,0.04,2.4+j,0.11);//les rectangles au milieu du route droite drawRectangle(0.04,-1.8-j,-0.04,-1.8-j,-0.04,-2.4-j,0.04,-2.4-j,0.11);//les rectangles au milieu du route gauche drawRectangle(1.8+j,0.04,1.8+j,-0.04,2.4+j,-0.04,2.4+j,0.04,0.11);//les rectangles au milieu du route bas drawRectangle(-1.8-j,0.04,-1.8-j,-0.04,-2.4-j,-0.04,-2.4-j,0.04,0.11);//les rectangles au milieu du route haut }   float i,y=1;   for(i = 1;i<25;i++){ glColor3ub(255,0,0); drawRectangle3D(-1,y,0,-1,y+0.3,0,-1,y+0.3,0.1,-1,y,0.1);// les trotoires du route droite vers (haut) rouge drawRectangle3D(-1,y,0.1,-1,y+0.3,0.1,-1.15,y+0.3,0.1,-1.15,y,0.1);   //if(y>4 || y<2.5){// pour l'entrée du terrain drawRectangle3D(1,y,0,1,y+0.3,0,1,y+0.3,0.1,1,y,0.1);// les trotoires du route droite vers (bas) rouge drawRectangle3D(1,y,0.1,1,y+0.3,0.1,1.15,y+0.3,0.1,1.15,y,0.1); //}   drawRectangle3D(-y,-1,0,-y-0.3,-1,0,-y-0.3,-1,0.1,-y,-1,0.1);// les trotoires du route haut vers (gauche) rouge drawRectangle3D(-y,-1,0.1,-y-0.3,-1,0.1,-y-0.3,-1.15,0.1,-y,-1.15,0.1);   drawRectangle3D(-y,1,0,-y-0.3,1,0,-y-0.3,1,0.1,-y,1,0.1);// les trotoires du route haut vers (droite) rouge drawRectangle3D(-y,1,0.1,-y-0.3,1,0.1,-y-0.3,1.15,0.1,-y,1.15,0.1);   drawRectangle3D(y,-1,0,y+0.3,-1,0,y+0.3,-1,0.1,y,-1,0.1);// les trotoires du route bas vers (gauche) rouge drawRectangle3D(y,-1,0.1,y+0.3,-1,0.1,y+0.3,-1.15,0.1,y,-1.15,0.1);   drawRectangle3D(y,1,0,y+0.3,1,0,y+0.3,1,0.1,y,1,0.1);// les trotoires du route bas vers (droite) rouge drawRectangle3D(y,1,0.1,y+0.3,1,0.1,y+0.3,1.15,0.1,y,1.15,0.1);   drawRectangle3D(-1,-y,0,-1,-y-0.3,0,-1,-y-0.3,0.1,-1,-y,0.1);// les trotoires du route gauche (vres haut) drawRectangle3D(-1,-y,0.1,-1,-y-0.3,0.1,-1.15,-y-0.3,0.1,-1.15,-y,0.1);   drawRectangle3D(1,-y,0,1,-y-0.3,0,1,-y-0.3,0.1,1,-y,0.1);// les trotoires du route gauche (vres bas) drawRectangle3D(1,-y,0.1,1,-y-0.3,0.1,1.15,-y-0.3,0.1,1.15,-y,0.1);   y= y +0.3;   glColor3ub(255,255,255); drawRectangle3D(-1,y,0,-1,y+0.3,0,-1,y+0.3,0.1,-1,y,0.1);// les trotoires du route droite vers (haut) blanc drawRectangle3D(-1,y,0.1,-1,y+0.3,0.1,-1.15,y+0.3,0.1,-1.15,y,0.1);   //if(y>4 || y<2.5){// pour l'entrée du terrain drawRectangle3D(1,y,0,1,y+0.3,0,1,y+0.3,0.1,1,y,0.1);// les trotoires du route droite vers (bas) blanc drawRectangle3D(1,y,0.1,1,y+0.3,0.1,1.15,y+0.3,0.1,1.15,y,0.1); //}     drawRectangle3D(-1,-y,0,-1,-y-0.3,0,-1,-y-0.3,0.1,-1,-y,0.1);// les trotoires du route gauche vers (haut) blanc drawRectangle3D(-1,-y,0.1,-1,-y-0.3,0.1,-1.15,-y-0.3,0.1,-1.15,-y,0.1);   drawRectangle3D(1,-y,0,1,-y-0.3,0,1,-y-0.3,0.1,1,-y,0.1);// les trotoires du route gauche vers (bas) blanc drawRectangle3D(1,-y,0.1,1,-y-0.3,0.1,1.15,-y-0.3,0.1,1.15,-y,0.1);   drawRectangle3D(-y,-1,0,-y-0.3,-1,0,-y-0.3,-1,0.1,-y,-1,0.1);// les trotoires du route haut vers (gauche) blanc drawRectangle3D(-y,-1,0.1,-y-0.3,-1,0.1,-y-0.3,-1.15,0.1,-y,-1.15,0.1);   drawRectangle3D(-y,1,0,-y-0.3,1,0,-y-0.3,1,0.1,-y,1,0.1);// les trotoires du route haut vers (droite) blanc drawRectangle3D(-y,1,0.1,-y-0.3,1,0.1,-y-0.3,1.15,0.1,-y,1.15,0.1);   drawRectangle3D(y,-1,0,y+0.3,-1,0,y+0.3,-1,0.1,y,-1,0.1);// les trotoires du route bas vers (gauche) blanc drawRectangle3D(y,-1,0.1,y+0.3,-1,0.1,y+0.3,-1.15,0.1,y,-1.15,0.1);   drawRectangle3D(y,1,0,y+0.3,1,0,y+0.3,1,0.1,y,1,0.1);// les trotoires du route bas vers (droite) blanc drawRectangle3D(y,1,0.1,y+0.3,1,0.1,y+0.3,1.15,0.1,y,1.15,0.1);   y= y +0.3; } // trotoir droit bas glColor3ub(130,130,130); drawRectangle3DTexture(texture,1.15,1.15,0.1,1.55,1.15,0.1,1.55,7,0.1,1.15,7,0.1); drawRectangle3DTexture(texture,1.55,1.15,0.1,1.55,1.55,0.1,7,1.55,0.1,7,1.15,0.1); //trotoir droit haut drawRectangle3DTexture(texture,-1.15,1.15,0.1,-1.55,1.15,0.1,-1.55,7,0.1,-1.15,7,0.1); drawRectangle3DTexture(texture,-1.55,1.15,0.1,-1.55,1.55,0.1,-7,1.55,0.1,-7,1.15,0.1); //trotoir devant usine drawRectangle3DTexture(texture,-1.15,-1.15,0.1,-1.55,-1.15,0.1,-1.55,-17,0.1,-1.15,-17,0.1); drawRectangle3DTexture(texture,-1.55,-1.15,0.1,-1.55,-1.55,0.1,-17,-1.55,0.1,-17,-1.15,0.1); //trotoir devant devant usine drawRectangle3DTexture(texture,1.15,-1.15,0.1,1.55,-1.15,0.1,1.55,-7,0.1,1.15,-7,0.1); drawRectangle3DTexture(texture,1.55,-1.15,0.1,1.55,-1.55,0.1,7,-1.55,0.1,7,-1.15,0.1); //mur droit haut /* */ mur_villa(texture); dernier_batiment(texture); /* * le mur de l'immeuble et son image */ glColor3ub(255,255,255);   glBindTexture(GL_TEXTURE_2D, texture[0]); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glMatrixMode(GL_TEXTURE); glLoadIdentity(); //glScalef(2,2,2); glEnable(GL_TEXTURE_2D); glBegin (GL_QUADS); glTexCoord2i(0,0); glVertex3f (-1.55,1.55,0.1); glTexCoord2i(1,0); glVertex3f (-1.55,7,0.1); glTexCoord2i(1,1); glVertex3f (-1.55,7,2); glTexCoord2i(0,1); glVertex3f (-1.55,1.55,2); glEnd ();   glMatrixMode(GL_MODELVIEW);// les autres murs du meme immeuble drawRectangle3D(-1.55,1.55,0.1,-1.55,7,0.1,-1.55,7,2,-1.55,1.55,2); drawRectangle3D(-1.55,1.55,0.1,-7,1.55,0.1,-7,1.55,2,-1.55,1.55,2); drawRectangle3D(-1.55,1.55,2,-7,1.55,2,-7,7,2,-1.55,7,2);//plafon /*-------- le feu rouge a cote du mur */ GLUquadric* params = gluNewQuadric(); glPushMatrix(); glTranslated(-1.24,1.52,0); // changement repere glColor3ub(155,155,155); gluCylinder(params,0.05,0.05,1.1,20,1); glTranslated(0,0,0.47); // changement repere glColor3ub(255,0,0);   // la texture et le feu tricolore   glColor3ub(255,255,255);   glBindTexture(GL_TEXTURE_2D, texture[1]); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glMatrixMode(GL_TEXTURE); glEnable(GL_TEXTURE_2D); glBegin (GL_QUADS); glTexCoord2i(0,0); glVertex3f (0.11,0.11,0); glTexCoord2i(1,0); glVertex3f (-0.11,0.11,0); glTexCoord2i(1,1); glVertex3f (-0.11,0.11,0.7); glTexCoord2i(0,1); glVertex3f (0.11,0.11,0.7); glEnd (); glDisable(GL_TEXTURE_2D); //gluDeleteQuadric(params);   glMatrixMode(GL_MODELVIEW); glPopMatrix(); /* */ //le deuxieme feu tricolore glPushMatrix(); glTranslated(-1.66,-1.27,0); // changement repere glColor3ub(42,42,42); gluCylinder(params,0.05,0.05,1.1,20,1); glTranslated(0,0,0.47); // changement repere glBegin (GL_QUADS); /* glTexCoord2i(0,1);*/ glVertex3f (-0.11,-0.11,0); /*glTexCoord2i(1,1);*/ glVertex3f (-0.11,0.11,0); /*glTexCoord2i(1,0);*/ glVertex3f (-0.11,0.11,0.7); /*glTexCoord2i(0,0);*/ glVertex3f (-0.11,-0.11,0.7); glEnd (); glDisable(GL_TEXTURE_2D); //gluDeleteQuadric(params); glMatrixMode(GL_MODELVIEW); glPopMatrix(); /* */ //le troisieme feu tricolore glPushMatrix(); glTranslated(+1.27,-1.53,0); // changement repere glColor3ub(42,42,42); gluCylinder(params,0.05,0.05,1.1,20,1); glTranslated(0,0,0.47); // changement repere glBegin (GL_QUADS); /* glTexCoord2i(0,1);*/ glVertex3f (0.11,-0.11,0); /*glTexCoord2i(1,1);*/ glVertex3f (-0.11,-0.11,0); /*glTexCoord2i(1,0);*/ glVertex3f (-0.11,-0.11,0.7); /*glTexCoord2i(0,0);*/ glVertex3f (0.11,-0.11,0.7); glEnd (); glDisable(GL_TEXTURE_2D); //gluDeleteQuadric(params); glMatrixMode(GL_MODELVIEW); glPopMatrix(); /* */ //le quatrieme feu tricolore glPushMatrix(); glTranslated(+1.59,+1.3,0); // changement repere glColor3ub(42,42,42); gluCylinder(params,0.05,0.05,1.1,20,1); glTranslated(0,0,0.47); // changement repere   glBindTexture(GL_TEXTURE_2D, texture[1]); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); glMatrixMode(GL_TEXTURE); glEnable(GL_TEXTURE_2D); glColor3ub(255,255,255); glBegin (GL_QUADS); glTexCoord2i(0,0); glVertex3f (0.11,-0.11,0); glTexCoord2i(1,0); glVertex3f (0.11,0.11,0); glTexCoord2i(1,1); glVertex3f (0.11,0.11,0.7); glTexCoord2i(0,1); glVertex3f (0.11,-0.11,0.7); glEnd (); glDisable(GL_TEXTURE_2D); gluDeleteQuadric(params); glMatrixMode(GL_MODELVIEW); glPopMatrix(); /* */ drawVoiturealler(texture,yy); //glFlush(); glutSwapBuffers(); /* */ /*GetLocalTime(&Time); differ_time = Time.wMilliseconds - current_time; if (differ_time < 4 & differ_time > 0)   {   Sleep(4 - differ_time);   } // - -- - - - - - - - */ //} /* */   //   } void Idle(){ yy = yy -0.1; glutPostRedisplay(); } int main(int argc, char** argv) {   glutInit(&argc, argv); glutInitDisplayMode( GLUT_RGBA | GLUT_DOUBLE |GLUT_DEPTH ); glutInitWindowSize(1000,590); glutInitWindowPosition(50,50);   glutCreateWindow("fenetre OpenGl");   glMatrixMode( GL_PROJECTION ); glLoadIdentity();   gluPerspective(40,(double)640/480,1,100); glEnable(GL_DEPTH_TEST);   glutDisplayFunc(Dessiner); glutIdleFunc(Idle);     //Dessiner(); glutKeyboardFunc(key); glutMainLoop(); return 0; }

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merci

Bonjour,

Si je me rappelle bien, dans Glut, le idle n'est pas appelé que s'il n'y a aucun évènement (ni souris, ni clavier).

Code:

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1 2 3 4

void Idle(){ yy = yy -0.1; glutPostRedisplay(); }

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Donc actuellement, si l'utilisateur bouge la souris, ou appuie sur le clavier, la voiture ne bouge plus.

Ce n'est pas ce que vous voulez. Le Timer peut être une solution.

De plus, je vous conseille fortement d'écrire le code en plus de fonctions (et même de fichiers) car là, ça devient de moins en moins clair. Et puis, en C++ ça serai encore mieux :).

merci pour tes suggestions : j'ai trouvé : le chargement des textures : je dois le faire une seule fois dans le main pas chaque fois que je dessine la scene c'est ca qui a ralenti le programme