| 239 |
|
if (!(nd.specfl & SP_PURE) && |
| 240 |
|
specthresh >= nd.tspec-FTINY) |
| 241 |
|
nd.specfl |= SP_TBLT; |
| 242 |
< |
if (!hastexture || r->crtype & SHADOW) { |
| 242 |
> |
if (!hastexture || r->crtype & (SHADOW|AMBIENT)) { |
| 243 |
|
VCOPY(nd.prdir, r->rdir); |
| 244 |
|
transtest = 2; |
| 245 |
|
} else { |
| 306 |
|
rayvalue(&lr); |
| 307 |
|
multcolor(lr.rcol, lr.rcoef); |
| 308 |
|
addcolor(r->rcol, lr.rcol); |
| 309 |
< |
if (!hastexture && nd.specfl & SP_FLAT) { |
| 309 |
> |
if (nd.specfl & SP_FLAT && |
| 310 |
> |
!hastexture | (r->crtype & AMBIENT)) { |
| 311 |
|
mirtest = 2.*bright(lr.rcol); |
| 312 |
|
mirdist = r->rot + lr.rt; |
| 313 |
|
} |
| 378 |
|
(np->specfl & (SP_TRAN|SP_TBLT)) != SP_TRAN) |
| 379 |
|
return; |
| 380 |
|
/* set up sample coordinates */ |
| 381 |
< |
v[0] = v[1] = v[2] = 0.0; |
| 381 |
< |
for (i = 0; i < 3; i++) |
| 382 |
< |
if (np->pnorm[i] < 0.6 && np->pnorm[i] > -0.6) |
| 383 |
< |
break; |
| 384 |
< |
v[i] = 1.0; |
| 385 |
< |
fcross(u, v, np->pnorm); |
| 386 |
< |
normalize(u); |
| 381 |
> |
getperpendicular(u, np->pnorm); |
| 382 |
|
fcross(v, np->pnorm, u); |
| 383 |
|
/* compute reflection */ |
| 384 |
|
if ((np->specfl & (SP_REFL|SP_RBLT)) == SP_REFL && |
