| 232 |
|
nmisses = 0; |
| 233 |
|
for (dim[1] = 0; dim[1] < n; dim[1]++) |
| 234 |
|
for (i = 0; i < il->nsamps; i++) { |
| 235 |
< |
/* random direction */ |
| 235 |
> |
/* randomize direction */ |
| 236 |
|
h = ilhash(dim, 2) + i; |
| 237 |
|
if (il->sd != NULL) { |
| 238 |
|
r_BSDF_incvec(dir, il->sd, dim[1], urand(h), xfm); |
| 246 |
|
dir[j] = -dn[0]*u[j] - dn[1]*v[j] - |
| 247 |
|
dn[2]*fa->norm[j]; |
| 248 |
|
} |
| 249 |
< |
/* random location */ |
| 249 |
> |
/* randomize location */ |
| 250 |
|
do { |
| 251 |
|
multisamp(sp, 2, urand(h+4862+nmisses)); |
| 252 |
|
r1 = ur[0] + (ur[1]-ur[0]) * sp[0]; |
| 403 |
|
for (i = 0; i < il->nsamps; i++) { |
| 404 |
|
/* next sample point */ |
| 405 |
|
h = ilhash(dim,2) + i; |
| 406 |
< |
/* random direction */ |
| 406 |
> |
/* randomize direction */ |
| 407 |
|
if (il->sd != NULL) { |
| 408 |
|
r_BSDF_incvec(dir, il->sd, dim[1], urand(h), xfm); |
| 409 |
|
} else { |
| 415 |
|
for (j = 0; j < 3; j++) |
| 416 |
|
dir[j] = -dn[0]*u[j] - dn[1]*v[j] - dn[2]*co->ad[j]; |
| 417 |
|
} |
| 418 |
< |
/* random location */ |
| 418 |
> |
/* randomize location */ |
| 419 |
|
multisamp(sp, 2, urand(h+8371)); |
| 420 |
|
r3 = sqrt(CO_R0(co)*CO_R0(co) + |
| 421 |
|
sp[0]*(CO_R1(co)*CO_R1(co) - CO_R0(co)*CO_R0(co))); |