167 |
|
source = NULL; |
168 |
|
nsources = 0; |
169 |
|
} |
170 |
+ |
markclip(NULL); |
171 |
|
if (maxcntr <= 0) |
172 |
|
return; |
173 |
|
free((void *)srccnt); |
185 |
|
SRCINDEX *si /* source sample index */ |
186 |
|
) |
187 |
|
{ |
188 |
< |
double d; /* distance to source */ |
189 |
< |
register SRCREC *srcp; |
188 |
> |
double d; /* distance to source */ |
189 |
> |
register SRCREC *srcp; |
190 |
|
|
191 |
< |
rayorigin(sr, SHADOW, r, NULL); /* ignore limits */ |
191 |
> |
rayorigin(sr, SHADOW, r, NULL); /* ignore limits */ |
192 |
|
|
193 |
< |
while ((d = nextssamp(sr, si)) != 0.0) { |
194 |
< |
sr->rsrc = si->sn; /* remember source */ |
195 |
< |
srcp = source + si->sn; |
196 |
< |
if (srcp->sflags & SDISTANT) { |
197 |
< |
if (srcp->sflags & SSPOT && spotout(sr, srcp->sl.s)) |
198 |
< |
continue; |
199 |
< |
return(1); /* sample OK */ |
200 |
< |
} |
193 |
> |
if (r == NULL) |
194 |
> |
sr->rmax = 0.0; |
195 |
> |
|
196 |
> |
while ((d = nextssamp(sr, si)) != 0.0) { |
197 |
> |
sr->rsrc = si->sn; /* remember source */ |
198 |
> |
srcp = source + si->sn; |
199 |
> |
if (srcp->sflags & SDISTANT) { |
200 |
> |
if (srcp->sflags & SSPOT && spotout(sr, srcp->sl.s)) |
201 |
> |
continue; |
202 |
> |
return(1); /* sample OK */ |
203 |
> |
} |
204 |
|
/* local source */ |
205 |
|
/* check proximity */ |
206 |
< |
if (srcp->sflags & SPROX && d > srcp->sl.prox) |
203 |
< |
continue; |
204 |
< |
/* check angle */ |
205 |
< |
if (srcp->sflags & SSPOT) { |
206 |
< |
if (spotout(sr, srcp->sl.s)) |
206 |
> |
if (srcp->sflags & SPROX && d > srcp->sl.prox) |
207 |
|
continue; |
208 |
+ |
/* check angle */ |
209 |
+ |
if (srcp->sflags & SSPOT) { |
210 |
+ |
if (spotout(sr, srcp->sl.s)) |
211 |
+ |
continue; |
212 |
|
/* adjust solid angle */ |
213 |
< |
si->dom *= d*d; |
214 |
< |
d += srcp->sl.s->flen; |
215 |
< |
si->dom /= d*d; |
213 |
> |
si->dom *= d*d; |
214 |
> |
d += srcp->sl.s->flen; |
215 |
> |
si->dom /= d*d; |
216 |
> |
} |
217 |
> |
return(1); /* sample OK */ |
218 |
|
} |
219 |
< |
return(1); /* sample OK */ |
214 |
< |
} |
215 |
< |
return(0); /* no more samples */ |
219 |
> |
return(0); /* no more samples */ |
220 |
|
} |
221 |
|
|
222 |
|
|
556 |
|
sr.rorg[0] = r->rorg[0] + r->rdir[0]*t; |
557 |
|
sr.rorg[1] = r->rorg[1] + r->rdir[1]*t; |
558 |
|
sr.rorg[2] = r->rorg[2] + r->rdir[2]*t; |
555 |
– |
sr.rmax = 0.; |
559 |
|
initsrcindex(&si); /* sample ray to this source */ |
560 |
|
si.sn = r->slights[i]; |
561 |
|
nopart(&si, &sr); |