| 140 |
|
ourspot.siz = PI*maxrad2; |
| 141 |
|
ourspot.flen = 0.; |
| 142 |
|
if (source[sn].sflags & SSPOT) { |
| 143 |
– |
copystruct(&theirspot, source[sn].sl.s); |
| 143 |
|
multp3(theirspot.aim, source[sn].sl.s->aim, pm); |
| 144 |
+ |
d = sqrt(dist2(ourspot.aim, theirspot.aim)); |
| 145 |
+ |
d = sqrt(source[sn].sl.s->siz/PI) + d*source[sn].ss; |
| 146 |
+ |
theirspot.siz = PI*d*d; |
| 147 |
+ |
ourspot.flen = theirspot.flen = source[sn].sl.s->flen; |
| 148 |
|
d = ourspot.siz; |
| 149 |
|
if (!commonbeam(&ourspot, &theirspot, nsloc)) |
| 150 |
|
return(-1); /* no overlap */ |
| 167 |
|
if (source[sn].sflags & SPROX && d > source[sn].sl.prox) |
| 168 |
|
return(-1); /* too far away */ |
| 169 |
|
ourspot.flen = 0.; |
| 170 |
< |
if (d*d > maxrad2) |
| 171 |
< |
ourspot.siz = 2.*PI*(1. - sqrt(1.-maxrad2/(d*d))); |
| 170 |
> |
d = (sqrt(maxrad2) + source[sn].ss) / d; |
| 171 |
> |
if (d < 1.-FTINY) |
| 172 |
> |
ourspot.siz = 2.*PI*(1. - sqrt(1.-d*d)); |
| 173 |
|
else |
| 174 |
|
nsflags &= ~SSPOT; |
| 175 |
|
if (source[sn].sflags & SSPOT) { |
