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root/Development/ray/src/gen/gensurf.c

Comparing ray/src/gen/gensurf.c (file contents):
Revision 2.28 by greg, Sat Nov 14 00:29:51 2020 UTC vs.
Revision 2.29 by greg, Thu Apr 1 14:52:55 2021 UTC

#	Line 58 | Line 58 | double  l_hermite(), l_bezier(), l_bspline(), l_datava
58
59		typedef struct {
60		int  valid;     /* point is valid (vertex number) */
61	<	int  nvalid;    /* normal is valid */
61	>	int  nvalid;    /* normal is valid (normal number) */
62		FVECT  p;       /* vertex position */
63		FVECT  n;       /* average normal */
64		RREAL  uv[2];   /* (u,v) position */
#	Line 308 | Line 308 | putobjrow(                     /* output vertex row to .OBJ */
308		int  n
309		)
310		{
311	+	static FVECT  prevNorm;
312	+
313		for ( ; n-- >= 0; rp++) {
314		if (!rp->valid)
315		continue;
316		fputs("v ", stdout);
317		pvect(rp->p);
318	<	if (smooth && !ZEROVECT(rp->n)) {
318	>	rp->valid = ++nverts;
319	>	printf("\tvt %.9g %.9g\n", rp->uv[0], rp->uv[1]);
320	>	if (!smooth || ZEROVECT(rp->n))
321	>	rp->nvalid = 0;
322	>	else if (VABSEQ(rp->n, prevNorm))
323	>	rp->nvalid = nnorms;
324	>	else {
325		printf("\tvn %.9g %.9g %.9g\n",
326		rp->n[0], rp->n[1], rp->n[2]);
327		rp->nvalid = ++nnorms;
328	<	} else
329	<	rp->nvalid = 0;
322	<	printf("\tvt %.9g %.9g\n", rp->uv[0], rp->uv[1]);
323	<	rp->valid = ++nverts;
328	>	VCOPY(prevNorm, rp->n);
329	>	}
330		}
331		}
332

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