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francois |
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#include <stdio.h> |
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#include "m3d_struct.h" |
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#include "m3d_const.h" |
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#include "m3d_hotes.h" |
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#include "prototype.h" |
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extern GEST_MEM *gest ; |
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extern int debug ; |
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struct st_face *m3d_recface(float *coord,NOEUD *n1,NOEUD *n2,NOEUD *n3) |
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{ |
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FACE *courant, *tab_face[4] ; |
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OBJET *obj ; |
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OCT *oct ; |
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CONNEC *connec ; |
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int i ; |
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/* rechercher l'octree d'appartenance : on pourrait lier noeud et octree */ |
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oct = n1->oct ; |
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/* if (oct == NULL) |
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{ |
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if (debug) printf("%s\n"," erreur lien noeud octree M3D_RECFACE ") ; |
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return(NULL) ; |
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}*/ |
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/* octree */ |
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/* recherche parmi les faces de peau */ |
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if (n1->num < gest->nb_init) |
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if (n2->num < gest->nb_init) |
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if (n3->num < gest->nb_init) |
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{ |
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obj = oct->lis_obj ; |
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while (obj !=NULL) |
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{ |
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courant = obj->ref;/* adresse de l'adresse de la structure face */ |
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if (courant->mark!=KILLED) |
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{ |
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if (((courant->n1==n1)&&(courant->n2==n2)&&(courant->n3==n3)) || |
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((courant->n1==n1)&&(courant->n2==n3)&&(courant->n3==n2)) ) |
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{ |
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return(courant) ; |
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} |
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} |
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obj = obj->suivant ;/* passer au suivant dans la liste */ |
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} |
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} |
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/* recherche parmi les tetraedres connectes au noeud */ |
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connec = n1->lis_con ; |
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while (connec != NULL) |
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{ |
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if ((connec->tetra)->mark != KILLED) |
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{ |
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tab_face[0] = (connec->tetra)->face1 ; |
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tab_face[1] = (connec->tetra)->face2 ; |
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tab_face[2] = (connec->tetra)->face3 ; |
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tab_face[3] = (connec->tetra)->face4 ; |
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for (i=0;i<4;i++) |
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{ |
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courant = tab_face[i] ; |
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if (courant->mark!=KILLED) |
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{ |
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if (((courant->n1==n1)&&(courant->n2==n2)&&(courant->n3==n3)) || |
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((courant->n1==n1)&&(courant->n2==n3)&&(courant->n3==n2)) ) |
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{ |
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return(courant) ; |
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} |
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} |
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} |
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} |
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connec = connec->suivant ; |
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} |
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return(NULL) ;/* la face n'a pas ete trouvee */ |
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} |
