53 |
|
OBJREC *m; |
54 |
|
register RAY *r; |
55 |
|
{ |
56 |
– |
double sqrt(), pow(); |
56 |
|
double cos1, cos2, nratio; |
57 |
|
COLOR mcolor; |
58 |
|
double mabsorp; |
128 |
|
if (m->otype != MAT_DIELECTRIC |
129 |
|
|| r->rod > 0.0 |
130 |
|
|| r->crtype & SHADOW |
131 |
+ |
|| directinvis |
132 |
|
|| m->oargs.farg[4] == 0.0 |
133 |
|
|| !disperse(m, r, p.rdir, trans)) |
134 |
|
#endif |
167 |
|
FVECT vt; |
168 |
|
double tr; |
169 |
|
{ |
170 |
– |
double sqrt(); |
170 |
|
RAY sray, *entray; |
171 |
|
FVECT v1, v2, n1, n2; |
172 |
|
FVECT dv, v2Xdv; |
173 |
|
double v2Xdvv2Xdv; |
174 |
< |
int sn, success = 0; |
175 |
< |
double omega; |
174 |
> |
int success = 0; |
175 |
> |
SRCINDEX si; |
176 |
|
FVECT vtmp1, vtmp2; |
177 |
|
double dtmp1, dtmp2; |
178 |
|
int l1, l2; |
234 |
|
v2Xdvv2Xdv = DOT(v2Xdv, v2Xdv); |
235 |
|
|
236 |
|
/* check sources */ |
237 |
< |
for (sn = 0; sn < nsources; sn++) { |
237 |
> |
initsrcindex(&si); |
238 |
> |
while (srcray(&sray, r, &si)) { |
239 |
|
|
240 |
< |
if ((omega = srcray(&sray, r, sn)) == 0.0 || |
241 |
< |
DOT(sray.rdir, v2) < MINCOS) |
240 |
> |
if (DOT(sray.rdir, v2) < MINCOS) |
241 |
|
continue; /* bad source */ |
243 |
– |
|
242 |
|
/* adjust source ray */ |
243 |
|
|
244 |
|
dtmp1 = DOT(v2Xdv, sray.rdir) / v2Xdvv2Xdv; |
263 |
|
*/ |
264 |
|
|
265 |
|
fcross(vtmp1, v2Xdv, sray.rdir); |
266 |
< |
dtmp1 = sqrt(omega / v2Xdvv2Xdv / PI); |
266 |
> |
dtmp1 = sqrt(si.dom / v2Xdvv2Xdv / PI); |
267 |
|
|
268 |
|
/* compute first ray */ |
269 |
|
for (i = 0; i < 3; i++) |