| 175 |
|
******/ |
| 176 |
|
/* hack for irradiance calculation */ |
| 177 |
|
if (do_irrad && !(r->crtype & ~(PRIMARY|TRANS)) && |
| 178 |
+ |
m->otype != MAT_CLIP && |
| 179 |
|
(ofun[m->otype].flags & (T_M|T_X))) { |
| 180 |
|
if (irr_ignore(m->otype)) { |
| 181 |
|
#if MAXLOOP |
| 279 |
|
/* compute foreground and background */ |
| 280 |
|
foremat = backmat = 0; |
| 281 |
|
/* foreground */ |
| 282 |
< |
copystruct(&fr, r); |
| 282 |
> |
fr = *r; |
| 283 |
|
if (coef > FTINY) |
| 284 |
|
foremat = rayshade(&fr, fore); |
| 285 |
|
/* background */ |
| 286 |
< |
copystruct(&br, r); |
| 286 |
> |
br = *r; |
| 287 |
|
if (coef < 1.0-FTINY) |
| 288 |
|
backmat = rayshade(&br, back); |
| 289 |
|
/* check for transparency */ |
| 290 |
< |
if (backmat ^ foremat) |
| 290 |
> |
if (backmat ^ foremat) { |
| 291 |
|
if (backmat && coef > FTINY) |
| 292 |
|
raytrans(&fr); |
| 293 |
|
else if (foremat && coef < 1.0-FTINY) |
| 294 |
|
raytrans(&br); |
| 295 |
+ |
} |
| 296 |
|
/* mix perturbations */ |
| 297 |
|
for (i = 0; i < 3; i++) |
| 298 |
|
r->pert[i] = coef*fr.pert[i] + (1.0-coef)*br.pert[i]; |
| 489 |
|
} |
| 490 |
|
cxset[0] = 0; |
| 491 |
|
raymove(curpos, cxset, sflags, r, scene); |
| 492 |
< |
return(r->ro != NULL & r->ro != &Aftplane); |
| 492 |
> |
return((r->ro != NULL) & (r->ro != &Aftplane)); |
| 493 |
|
} |
| 494 |
|
|
| 495 |
|
|
