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/*****************************************************************
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r3d_comp_detruit2.cpp Type:Func
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Destruction autour d un point
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Date de creation : 16-9-1997 10 :26 :38
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Derniere version : 16-9-1997 10 :26 :38
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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 <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_param *para;
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/**************************/
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/* programme principal */
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void r3d_comp_detruit2(struct s_zone *zone,float x,float y,float z,char type_ent,int num_ent,float rayon,float dens,float *norm,struct s_octree **liste)
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{
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struct s_octree *oct;
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struct s_mnoeud *mnoe;
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int nb_liste,i,k,test;
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float dis,distance,vec[4];
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int face1,face2;
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nb_liste=0;
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dis=env.zone*rayon;
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oc_rechercher(x,y,z,dis,mesh->first,liste,&nb_liste);
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dis=dis*dis;
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if ((type_ent==EDGE)&&(zone->reference==OLD))
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{
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face1=zone->entite[0];
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face2=zone->entite[1];
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}
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for (i=0;i<nb_liste;i++)
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{
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oct=liste[i];
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for (k=0;k<oct->nb_mnoeud;k++)
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{
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mnoe=oct->mnoeud[k];
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test=0;
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if ((zone->reference==NEW)||(zone->reference==VERIFICATION)) test=1;
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else
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{
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if ((type_ent==FACE) && (mnoe->type==FACE) && (mnoe->num_ent==num_ent) ) test=1;
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if ((type_ent==EDGE) && (mnoe->type==EDGE) && (mnoe->num_ent==num_ent) ) test=1;
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if ((type_ent==EDGE) && (mnoe->type==FACE) && (mnoe->num_ent==face1) ) test=1;
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if ((type_ent==EDGE) && (mnoe->type==FACE) && (mnoe->num_ent==face2) ) test=1;
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if (type_ent==VERTEX) test=1;
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}
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if ( (test==1)&&(mnoe->etat==GARDE) )
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{
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eval_dens_reel(mnoe);
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vec[0]=x-mnoe->x;
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vec[1]=y-mnoe->y;
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vec[2]=z-mnoe->z;
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distance=(float)sqrt((double)PSCA(vec,vec));
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if ((zone->reference==OLD)||(zone->reference==VERIFICATION)) dis=1.1*dens;
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if (zone->reference==NEW)
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{
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MAXI(dis,2*dens,(float)fabs((double)4.*(dens-mnoe->dens)));
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MAXI(dis,dis,2*mnoe->dens);
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}
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if ((zone->type_entite==FACE)&&(zone->reference==NEW))
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{
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NORME(vec);
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dis=dis*(0.5+0.5*PSCA(norm,vec));
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}
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if (zone->reference==VERIFICATION)
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{
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NORME(vec);
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dis=dis*(0.5+0.5*PSCA(norm,vec));
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}
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if (distance<dis*env.zone) mnoe->etat=DETRUIT;
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}
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}
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}
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}
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