121 |
|
|
122 |
|
int do_irrad = 0; /* compute irradiance? */ |
123 |
|
|
124 |
< |
int rand_samp = 0; /* pure Monte Carlo sampling? */ |
124 |
> |
int rand_samp = 1; /* pure Monte Carlo sampling? */ |
125 |
|
|
126 |
|
double dstrsrc = 0.0; /* square source distribution */ |
127 |
|
double shadthresh = .03; /* shadow threshold */ |
141 |
|
|
142 |
|
int backvis = 1; /* back face visibility */ |
143 |
|
|
144 |
< |
int maxdepth = 8; /* maximum recursion depth */ |
145 |
< |
double minweight = 5e-4; /* minimum ray weight */ |
144 |
> |
int maxdepth = -10; /* maximum recursion depth */ |
145 |
> |
double minweight = 2e-3; /* minimum ray weight */ |
146 |
|
|
147 |
|
char *ambfile = NULL; /* ambient file name */ |
148 |
|
COLOR ambval = BLKCOLOR; /* ambient value */ |
238 |
|
if (rp == NULL) |
239 |
|
return; |
240 |
|
rp->do_irrad = do_irrad; |
241 |
+ |
rp->rand_samp = rand_samp; |
242 |
|
rp->dstrsrc = dstrsrc; |
243 |
|
rp->shadthresh = shadthresh; |
244 |
|
rp->shadcert = shadcert; |
255 |
|
rp->backvis = backvis; |
256 |
|
rp->maxdepth = maxdepth; |
257 |
|
rp->minweight = minweight; |
257 |
– |
copycolor(rp->ambval, ambval); |
258 |
– |
memset(rp->ambfile, '\0', sizeof(rp->ambfile)); |
258 |
|
if (ambfile != NULL) |
259 |
|
strncpy(rp->ambfile, ambfile, sizeof(rp->ambfile)-1); |
260 |
+ |
else |
261 |
+ |
memset(rp->ambfile, '\0', sizeof(rp->ambfile)); |
262 |
+ |
copycolor(rp->ambval, ambval); |
263 |
|
rp->ambvwt = ambvwt; |
264 |
|
rp->ambacc = ambacc; |
265 |
|
rp->ambres = ambres; |
274 |
|
if (ndx+len >= sizeof(rp->amblval)) |
275 |
|
break; |
276 |
|
strcpy(rp->amblval+ndx, amblist[i]); |
277 |
+ |
rp->amblndx[i] = ndx; |
278 |
|
ndx += len+1; |
279 |
|
} |
280 |
|
while (i <= AMBLLEN) |
300 |
|
} |
301 |
|
/* restore saved settings */ |
302 |
|
do_irrad = rp->do_irrad; |
303 |
+ |
rand_samp = rp->rand_samp; |
304 |
|
dstrsrc = rp->dstrsrc; |
305 |
|
shadthresh = rp->shadthresh; |
306 |
|
shadcert = rp->shadcert; |
368 |
|
return; |
369 |
|
|
370 |
|
rp->do_irrad = 0; |
371 |
+ |
rp->rand_samp = 1; |
372 |
|
rp->dstrsrc = 0.0; |
373 |
|
rp->shadthresh = .03; |
374 |
|
rp->shadcert = .75; |
383 |
|
rp->specthresh = .15; |
384 |
|
rp->specjitter = 1.; |
385 |
|
rp->backvis = 1; |
386 |
< |
rp->maxdepth = 8; |
386 |
> |
rp->maxdepth = -10; |
387 |
|
rp->minweight = 2e-3; |
383 |
– |
setcolor(rp->ambval, 0., 0., 0.); |
388 |
|
memset(rp->ambfile, '\0', sizeof(rp->ambfile)); |
389 |
+ |
setcolor(rp->ambval, 0., 0., 0.); |
390 |
|
rp->ambvwt = 0; |
391 |
|
rp->ambres = 256; |
392 |
|
rp->ambacc = 0.15; |