| 106 |
|
int n |
| 107 |
|
) |
| 108 |
|
{ |
| 109 |
+ |
double corr = 1.; |
| 110 |
|
FVECT nv, sc; |
| 111 |
< |
double od; |
| 112 |
< |
register int i, j; |
| 111 |
> |
double od, offs; |
| 112 |
> |
int i; |
| 113 |
|
/* get surface normal and offset */ |
| 114 |
< |
od = getplaneq(nv, o); |
| 115 |
< |
/* check for extreme point for behind */ |
| 114 |
> |
offs = od = getplaneq(nv, o); |
| 115 |
> |
if (s->sflags & SDISTANT) |
| 116 |
> |
offs = 0.; |
| 117 |
> |
/* check for extreme point behind */ |
| 118 |
> |
if (s->sflags & SCIR) { |
| 119 |
> |
if (s->sflags & (SFLAT|SDISTANT)) |
| 120 |
> |
corr = 1.12837917; /* correct setflatss() */ |
| 121 |
> |
else |
| 122 |
> |
corr = 1.0/0.7236; /* correct sphsetsrc() */ |
| 123 |
> |
} |
| 124 |
|
VCOPY(sc, s->sloc); |
| 125 |
|
for (i = s->sflags & SFLAT ? SV : SW; i >= 0; i--) |
| 126 |
< |
if (DOT(nv, s->ss[i]) > 0.) |
| 127 |
< |
for (j = 0; j < 3; j++) |
| 119 |
< |
sc[j] += s->ss[i][j]; |
| 126 |
> |
if (DOT(nv, s->ss[i]) > offs) |
| 127 |
> |
VSUM(sc, sc, s->ss[i], corr); |
| 128 |
|
else |
| 129 |
< |
for (j = 0; j < 3; j++) |
| 130 |
< |
sc[j] -= s->ss[i][j]; |
| 123 |
< |
if (DOT(sc, nv) <= (s->sflags & SDISTANT ? FTINY : od+FTINY)) |
| 129 |
> |
VSUM(sc, sc, s->ss[i], -corr); |
| 130 |
> |
if (DOT(sc, nv) <= offs+FTINY) |
| 131 |
|
return(0); |
| 132 |
|
/* everything OK -- compute projection */ |
| 133 |
|
mirrorproj(pm, nv, od); |
