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#include <stdio.h>
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#include "r3d_struct.h"
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#include "m3d_const.h"
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#include "m3d_hotes.h"
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#include "prototype2.h"
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extern GEST_MEM *gest_r ;
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extern int debug ;
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struct st_face *r3d_recface2(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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CONNEC *connec ;
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int i ;
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/* octree */
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/* recherche parmi les faces de peau */
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if (n1->num < gest_r->nb_init)
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if (n2->num < gest_r->nb_init)
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if (n3->num < gest_r->nb_init)
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{
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for (i=0;i<gest_r->nb_2d;i++)
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{
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ADRESSE(face,i,courant)
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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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/* recherche parmi les tetraedres connectes au noeud */
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connec = n1->tete ;
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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->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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connec = connec->suivant ;
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}
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return(NULL) ;/* la face n'a pas ete trouve */
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}
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