| 1 |
/*****************************************************************
|
| 2 |
|
| 3 |
oc_ins.c Type:Func
|
| 4 |
|
| 5 |
Creation de l arbre octal
|
| 6 |
|
| 7 |
Date de creation : Tue Jun 17 14:09:16 1997
|
| 8 |
|
| 9 |
Derniere version : Tue Jun 17 14:09:16 1997
|
| 10 |
|
| 11 |
|
| 12 |
Vincent FRANCOIS
|
| 13 |
|
| 14 |
*****************************************************************/
|
| 15 |
|
| 16 |
|
| 17 |
|
| 18 |
|
| 19 |
|
| 20 |
/**************************/
|
| 21 |
/* include */
|
| 22 |
#include <stdio.h>
|
| 23 |
#include <string.h>
|
| 24 |
#include <stdlib.h>
|
| 25 |
#include "const.h"
|
| 26 |
#include "memoire.h"
|
| 27 |
#include "struct.h"
|
| 28 |
#include "prototype.h"
|
| 29 |
|
| 30 |
/**************************/
|
| 31 |
/* variables globales */
|
| 32 |
extern struct s_acis *acis;
|
| 33 |
extern struct environnement env;
|
| 34 |
extern struct s_mesh *mesh;
|
| 35 |
extern struct s_param *para;
|
| 36 |
|
| 37 |
|
| 38 |
|
| 39 |
/**************************/
|
| 40 |
/* programme principal */
|
| 41 |
|
| 42 |
struct s_octree *oc_ins(float x,float y, float z,float taille,struct s_noeud **tab_noeud,int nb_noeud)
|
| 43 |
{
|
| 44 |
struct s_octree *oct;
|
| 45 |
int i,num;
|
| 46 |
struct s_noeud *no;
|
| 47 |
|
| 48 |
NEW_ENTITE(oct,octree,mesh->);
|
| 49 |
oct->num=mesh->nb_octree-1;
|
| 50 |
oct->x=x;
|
| 51 |
oct->y=y;
|
| 52 |
oct->z=z;
|
| 53 |
oct->taille=taille;
|
| 54 |
for (i=0;i<nb_noeud;i++)
|
| 55 |
{
|
| 56 |
no=tab_noeud[i];
|
| 57 |
if ( (no->x>=x) && (no->y>=y) && (no->z>=z) && (no->x<x+taille) && (no->y<y+taille) && (no->z<z+taille) )
|
| 58 |
{
|
| 59 |
NEW_POINTEUR(num,noeud,oct->);
|
| 60 |
oct->noeud[num]=no;
|
| 61 |
}
|
| 62 |
|
| 63 |
}
|
| 64 |
|
| 65 |
if (oct->nb_noeud<2) {oct->feuille=1;mesh->nb_feuille++;}
|
| 66 |
else
|
| 67 |
{
|
| 68 |
oct->fils[0]=oc_ins(oct->x,oct->y,oct->z,oct->taille/2.,oct->noeud,oct->nb_noeud);
|
| 69 |
oct->fils[1]=oc_ins(oct->x+taille/2.,oct->y,oct->z,oct->taille/2.,oct->noeud,oct->nb_noeud);
|
| 70 |
oct->fils[2]=oc_ins(oct->x,oct->y+taille/2.,oct->z,oct->taille/2.,oct->noeud,oct->nb_noeud);
|
| 71 |
oct->fils[3]=oc_ins(oct->x+taille/2.,oct->y+taille/2.,oct->z,oct->taille/2.,oct->noeud,oct->nb_noeud);
|
| 72 |
oct->fils[4]=oc_ins(oct->x,oct->y,oct->z+taille/2.,oct->taille/2.,oct->noeud,oct->nb_noeud);
|
| 73 |
oct->fils[5]=oc_ins(oct->x+taille/2.,oct->y,oct->z+taille/2.,oct->taille/2.,oct->noeud,oct->nb_noeud);
|
| 74 |
oct->fils[6]=oc_ins(oct->x,oct->y+taille/2.,oct->z+taille/2.,oct->taille/2.,oct->noeud,oct->nb_noeud);
|
| 75 |
oct->fils[7]=oc_ins(oct->x+taille/2.,oct->y+taille/2.,oct->z+taille/2.,oct->taille/2.,oct->noeud,oct->nb_noeud);
|
| 76 |
}
|
| 77 |
|
| 78 |
return(oct);
|
| 79 |
}
|
