| 11 |
|
#include "copyright.h" |
| 12 |
|
|
| 13 |
|
#include "ray.h" |
| 14 |
– |
|
| 14 |
|
#include "otypes.h" |
| 15 |
< |
|
| 15 |
> |
#include "otspecial.h" |
| 16 |
|
#include "source.h" |
| 18 |
– |
|
| 17 |
|
#include "random.h" |
| 18 |
|
|
| 19 |
|
#define MINSAMPLES 16 /* minimum number of pretest samples */ |
| 20 |
|
#define STESTMAX 32 /* maximum seeks per sample */ |
| 21 |
|
|
| 24 |
– |
#define FEQ(a,b) ((a)-(b)+FTINY >= 0 && (b)-(a)+FTINY >= 0) |
| 22 |
|
|
| 26 |
– |
|
| 23 |
|
static OBJECT *vobject; /* virtual source objects */ |
| 24 |
|
static int nvobjects = 0; /* number of virtual source objects */ |
| 25 |
|
|
| 31 |
|
|
| 32 |
|
for (i = 4; i--; ) |
| 33 |
|
for (j = 4; j--; ) |
| 34 |
< |
if (!FEQ(m[i][j], i==j)) |
| 34 |
> |
if (!FABSEQ(m[i][j], i==j)) |
| 35 |
|
return(0); |
| 36 |
|
return(1); |
| 37 |
|
} |
| 137 |
|
OBJREC *m; |
| 138 |
|
|
| 139 |
|
i = o->omod; |
| 140 |
< |
m = findmaterial(objptr(i)); |
| 140 |
> |
m = findmaterial(o); |
| 141 |
|
if (m == NULL) |
| 142 |
|
return(objptr(i)); |
| 143 |
|
if (m->otype != MAT_ILLUM || m->oargs.nsargs < 1 || |
| 320 |
|
{ |
| 321 |
|
RAY sr; |
| 322 |
|
FVECT onorm; |
| 323 |
< |
FVECT offsdir; |
| 323 |
> |
double offsdir[3]; |
| 324 |
|
SRCINDEX si; |
| 325 |
|
double or, d, d1; |
| 326 |
|
int stestlim, ssn; |
| 336 |
|
/* 32. == heuristic constant */ |
| 337 |
|
n = 32.*or2/(thescene.cusize*thescene.cusize)*vspretest + .5; |
| 338 |
|
} else { |
| 339 |
< |
for (i = 0; i < 3; i++) |
| 344 |
< |
offsdir[i] = source[sn].sloc[i] - oc[i]; |
| 339 |
> |
VSUB(offsdir, source[sn].sloc, oc); |
| 340 |
|
d = DOT(offsdir,offsdir); |
| 341 |
|
if (d <= FTINY) |
| 342 |
|
n = 2.*PI * vspretest + .5; |
| 372 |
|
sr.rorg[i] = oc[i] + offsdir[i] + d*onorm[i]; |
| 373 |
|
sr.rdir[i] = -onorm[i]; |
| 374 |
|
} |
| 375 |
+ |
sr.rmax = 0.0; |
| 376 |
|
rayorigin(&sr, PRIMARY, NULL, NULL); |
| 377 |
|
} while (!(*ofun[o->otype].funp)(o, &sr)); |
| 378 |
|
/* check against source */ |
