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/*****************************************************************
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r3d_comp_detruit.c Type:Func
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Destruction de mailles autour d une octree
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Date de creation : Thu Jul 24 16:24:33 1997
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Derniere version : Thu Jul 24 16:24:33 1997
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Vincent FRANCOIS
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*****************************************************************/
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/**************************/
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/* include */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <math.h>
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#include "const.h"
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#include "memoire.h"
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#include "struct.h"
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#include "prototype.h"
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/**************************/
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/* variables globales */
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extern struct s_acis *acis;
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extern struct environnement env;
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extern struct s_mesh *mesh;
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extern struct s_maillage *maillage;
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extern struct s_param *para;
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/**************************/
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/* programme principal */
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void r3d_comp_detruit(int type)
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{
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int i,j;
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float norm[4];
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struct s_mnoeud *mnoe;
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struct s_noeud *noe,*no1,*no2,*no3;
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struct s_zone *zone,zone_tmp;
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struct s_octree **liste;
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struct s_triangle *tri;
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float x,y,z,dens,n1n2[4],n1n3[4],n2n3[4];
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liste=(struct s_octree **)calloc(mesh->nb_octree,sizeof(struct s_octree *));
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ERREUR_ALLOC(liste);
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for (i=0;i<mesh->nb_zone;i++)
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{
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zone=ADRESSE(i,zone,mesh->);
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if (zone->type==type)
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{
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if (zone->reference==OLD)
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for (j=0;j<zone->oct->nb_mnoeud;j++)
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{
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mnoe=zone->oct->mnoeud[j];
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eval_dens_reel(mnoe);
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if (mnoe->type==zone->type_entite)
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if (mnoe->num_ent==zone->num)
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r3d_comp_detruit2(zone,mnoe->x,mnoe->y,mnoe->z,mnoe->type,mnoe->num_ent,mnoe->dens,mnoe->dens,norm,liste);
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}
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if (zone->reference==NEW)
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for (j=0;j<zone->oct->nb_noeud;j++)
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{
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noe=zone->oct->noeud[j];
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if (noe->type==FACE)
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{
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eval_normal((struct s_face *)(acis->entity[noe->num_ent]),norm,noe->u,noe->v);
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NORME(norm);
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}
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if (noe->type==zone->type_entite)
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if (noe->num_ent==zone->num)
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if (noe->creation==CONSTRUIT)
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r3d_comp_detruit2(zone,noe->x,noe->y,noe->z,noe->type,noe->num_ent,noe->dens,noe->dens,norm,liste);
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}
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}
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}
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if (type==RETARDE3)
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{
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for (j=0;j<mesh->nb_triangle;j++)
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{
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tri=ADRESSE(j,triangle,mesh->);
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if (tri->creation==CONSTRUIT)
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{
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no1=ADRESSE(tri->n1,noeud,mesh->);
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no2=ADRESSE(tri->n2,noeud,mesh->);
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no3=ADRESSE(tri->n3,noeud,mesh->);
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x=(no1->x+no2->x+no3->x)/3.;
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y=(no1->y+no2->y+no3->y)/3.;
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z=(no1->z+no2->z+no3->z)/3.;
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VEC(n1n2,no1,no2);
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VEC(n1n3,no1,no3);
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VEC(n2n3,no2,no3);
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PVEC(norm,n1n3,n1n2);
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NORME(norm);
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NORME(n1n2);
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NORME(n1n3);
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NORME(n2n3);
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dens=0.35*(n1n2[3]+n2n3[3]+n1n3[3]);
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zone_tmp.reference=VERIFICATION;
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r3d_comp_detruit2(&zone_tmp,x,y,z,tri->type,tri->num_ent,dens,dens,norm,liste);
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}
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}
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}
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free(liste);
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}
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