23 |
|
#define MAXITER 10 /* maximum # specular ray attempts */ |
24 |
|
#endif |
25 |
|
/* estimate of Fresnel function */ |
26 |
< |
#define FRESNE(ci) (exp(-6.0*(ci)) - 0.00247875217) |
26 |
> |
#define FRESNE(ci) (exp(-5.85*(ci)) - 0.00287989916) |
27 |
|
|
28 |
|
static void gaussamp(); |
29 |
|
|
203 |
|
} else { |
204 |
|
VCOPY(nd.pnorm, r->ron); |
205 |
|
nd.pdot = r->rod; |
206 |
– |
if (r->ro != NULL && isflat(r->ro->otype)) |
207 |
– |
nd.specfl |= SP_FLAT; |
206 |
|
} |
207 |
+ |
if (r->ro != NULL && isflat(r->ro->otype)) |
208 |
+ |
nd.specfl |= SP_FLAT; |
209 |
|
if (nd.pdot < .001) |
210 |
|
nd.pdot = .001; /* non-zero for dirnorm() */ |
211 |
|
multcolor(nd.mcolor, r->pcol); /* modify material color */ |