24 |
|
FVECT vpos; |
25 |
|
double d; |
26 |
|
register int i; |
27 |
< |
|
27 |
> |
nextsample: |
28 |
|
while (++si->sp >= si->np) { /* get next sample */ |
29 |
|
if (++si->sn >= nsources) |
30 |
|
return(0.0); /* no more */ |
31 |
< |
if (srcsizerat <= FTINY) |
31 |
> |
if (source[si->sn].sflags & SSKIP) |
32 |
> |
si->np = 0; |
33 |
> |
else if (srcsizerat <= FTINY) |
34 |
|
nopart(si, r); |
35 |
|
else { |
36 |
|
for (i = si->sn; source[i].sflags & SVIRTUAL; |
76 |
|
r->rdir[i] -= r->rorg[i]; |
77 |
|
/* compute distance */ |
78 |
|
if ((d = normalize(r->rdir)) == 0.0) |
79 |
< |
return(nextssamp(r, si)); /* at source! */ |
79 |
> |
goto nextsample; /* at source! */ |
80 |
|
|
81 |
|
/* compute sample size */ |
82 |
|
si->dom = source[si->sn].ss2; |
92 |
|
} |
93 |
|
if (source[si->sn].sflags & SDISTANT) |
94 |
|
return(FHUGE); |
95 |
+ |
if (si->dom <= 1e-4) |
96 |
+ |
goto nextsample; /* behind source? */ |
97 |
|
si->dom /= d*d; |
98 |
|
return(d); /* sample OK, return distance */ |
99 |
|
} |