| 128 |
|
sr->rsrc = sn; /* remember source */ |
| 129 |
|
/* get source direction */ |
| 130 |
|
if (source[sn].sflags & SDISTANT) { |
| 131 |
– |
if (source[sn].sflags & SSPOT) { /* check location */ |
| 132 |
– |
for (i = 0; i < 3; i++) |
| 133 |
– |
vd[i] = sr->rorg[i] - source[sn].sl.s->aim[i]; |
| 134 |
– |
d = DOT(source[sn].sloc,vd); |
| 135 |
– |
d = DOT(vd,vd) - d*d; |
| 136 |
– |
if (PI*d > source[sn].sl.s->siz) |
| 137 |
– |
return(0.0); |
| 138 |
– |
} |
| 131 |
|
/* constant direction */ |
| 132 |
|
VCOPY(sr->rdir, source[sn].sloc); |
| 133 |
|
} else { /* compute direction */ |
| 154 |
|
} |
| 155 |
|
for (i = 0; i < 3; i++) /* offset source direction */ |
| 156 |
|
sr->rdir[i] += vd[i]; |
| 157 |
+ |
/* normalize */ |
| 158 |
+ |
d = normalize(sr->rdir); |
| 159 |
|
|
| 160 |
< |
} else if (source[sn].sflags & SDISTANT) |
| 161 |
< |
/* already normalized */ |
| 162 |
< |
return(source[sn].ss2); |
| 160 |
> |
} else if (!(source[sn].sflags & SDISTANT)) |
| 161 |
> |
/* normalize direction */ |
| 162 |
> |
d = normalize(sr->rdir); |
| 163 |
|
|
| 164 |
< |
if ((d = normalize(sr->rdir)) == 0.0) |
| 165 |
< |
/* at source! */ |
| 164 |
> |
if (source[sn].sflags & SDISTANT) { |
| 165 |
> |
if (source[sn].sflags & SSPOT) { /* check location */ |
| 166 |
> |
for (i = 0; i < 3; i++) |
| 167 |
> |
vd[i] = source[sn].sl.s->aim[i] - sr->rorg[i]; |
| 168 |
> |
d = DOT(sr->rdir,vd); |
| 169 |
> |
if (d <= FTINY) |
| 170 |
> |
return(0.0); |
| 171 |
> |
d = DOT(vd,vd) - d*d; |
| 172 |
> |
if (PI*d > source[sn].sl.s->siz) |
| 173 |
> |
return(0.0); |
| 174 |
> |
} |
| 175 |
> |
return(source[sn].ss2); /* domega constant */ |
| 176 |
> |
} |
| 177 |
> |
/* check direction */ |
| 178 |
> |
if (d == 0.0) |
| 179 |
|
return(0.0); |
| 173 |
– |
|
| 174 |
– |
if (source[sn].sflags & SDISTANT) |
| 175 |
– |
/* domega constant */ |
| 176 |
– |
return(source[sn].ss2); |
| 177 |
– |
|
| 180 |
|
/* check proximity */ |
| 181 |
|
if (source[sn].sflags & SPROX && |
| 182 |
|
d > source[sn].sl.prox) |
