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/*****************************************************************
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eval_face.cpp Type:Inc
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Calcul des caracteristiques d une face
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Date de creation : 17-2-1999 9 :57 :42
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Derniere version : 17-2-1999 9 :57 :42
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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 environnment env;
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extern struct s_mesh *mesh;
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/**************************/
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/* programme principal */
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float eval_face(struct s_face *face,float *u,float *v,int type,float *x,float *y,float *z,float du,float dv)
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{
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struct s_plane *plane;
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struct s_cone *cone;
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float res;
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plane=NULL;
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cone=NULL;
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if (strcmp(acis->type_entite[face->surface],"plane-surface")==0)
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plane=(struct s_plane *)acis->entity[face->surface];
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if (strcmp(acis->type_entite[face->surface],"cone-surface")==0)
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cone=(struct s_cone *)acis->entity[face->surface];
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if (plane!=NULL) res=eval_plane(face,plane->param,u,v,type,x,y,z);
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if (cone!=NULL) res=eval_cone(face,cone->param,u,v,type,x,y,z,du);
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return(res);
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}
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