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.TH OBJ 2
.SH NAME
objparse,
objfree,
OBJfmt,
OBJfmtinstall
\- OBJ parser
.SH SYNOPSIS
.ta 0.7i +0.7i +0.7i +0.7i +0.7i +0.7i +0.7i
.EX
#include <u.h>
#include <libc.h>
#include <obj.h>
enum {
OBJVGeometric,
OBJVTexture,
OBJVNormal,
OBJVParametric,
OBJNVERT
};
enum {
OBJEPoint,
OBJELine,
OBJEFace,
OBJECurve,
OBJECurve2,
OBJESurface
};
enum {
OBJHTSIZE = 17
};
typedef struct
{
union {
struct { double x, y, z, w; }; /* geometric */
struct { double u, v, vv; }; /* texture and parametric */
struct { double i, j, k; }; /* normal */
};
} OBJVertex;
typedef struct
{
OBJVertex *verts;
int nvert;
} OBJVertexArray;
typedef struct
{
int *indices;
int nindex;
int type;
OBJElem *next;
} OBJElem;
typedef struct
{
char *name;
OBJElem *child;
OBJObject *next;
} OBJObject;
typedef struct
{
OBJVertexArray vertdata[OBJNVERT];
OBJObject *objtab[OBJHTSIZE];
} OBJ;
OBJ *objparse(char *file);
void objfree(OBJ *obj);
int OBJfmt(Fmt*);
void OBJfmtinstall(void);
.EE
.SH DESCRIPTION
An OBJ structure contains geometry and material information about a set of 3D objects
.SH SOURCE
.B /sys/src/libobj
.SH SEE ALSO
.IR geometry (2)
.br
http://paulbourke.net/dataformats/obj
.br
https://people.sc.fsu.edu/~jburkardt/data/obj/obj.html
.SH DIAGNOSTICS
.SH BUGS
|
