| 109 |
|
if (sscanvec(buf, nv.vp)) |
| 110 |
|
change++; |
| 111 |
|
sprintf(buf, "view direction (%.6g %.6g %.6g): ", |
| 112 |
< |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
| 112 |
> |
ourview.vdir[0]*ourview.vdist, |
| 113 |
> |
ourview.vdir[1]*ourview.vdist, |
| 114 |
> |
ourview.vdir[2]*ourview.vdist); |
| 115 |
|
(*dev->comout)(buf); |
| 116 |
|
(*dev->comin)(buf, NULL); |
| 117 |
|
if (buf[0] == CTRL('C')) return; |
| 118 |
< |
if (sscanvec(buf, nv.vdir)) |
| 118 |
> |
if (sscanvec(buf, nv.vdir)) { |
| 119 |
> |
nv.vdist = 1.; |
| 120 |
|
change++; |
| 121 |
+ |
} |
| 122 |
|
sprintf(buf, "view up (%.6g %.6g %.6g): ", |
| 123 |
|
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
| 124 |
|
(*dev->comout)(buf); |
| 280 |
|
return; |
| 281 |
|
zoomview(&nv, zfact); |
| 282 |
|
newview(&nv); |
| 283 |
+ |
} |
| 284 |
+ |
|
| 285 |
+ |
|
| 286 |
+ |
extern void |
| 287 |
+ |
getfocus( /* set focus distance */ |
| 288 |
+ |
char *s |
| 289 |
+ |
) |
| 290 |
+ |
{ |
| 291 |
+ |
FVECT vc; |
| 292 |
+ |
double dist; |
| 293 |
+ |
|
| 294 |
+ |
if (sscanf(s, "%lf", &dist) < 1) { |
| 295 |
+ |
int x, y; |
| 296 |
+ |
RAY thisray; |
| 297 |
+ |
if (dev->getcur == NULL) |
| 298 |
+ |
return; |
| 299 |
+ |
(*dev->comout)("Pick focus point\n"); |
| 300 |
+ |
if ((*dev->getcur)(&x, &y) == ABORT) |
| 301 |
+ |
return; |
| 302 |
+ |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
| 303 |
+ |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
| 304 |
+ |
error(COMMAND, "not on image"); |
| 305 |
+ |
return; |
| 306 |
+ |
} |
| 307 |
+ |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 308 |
+ |
if (!localhit(&thisray, &thescene)) { |
| 309 |
+ |
error(COMMAND, "not a local object"); |
| 310 |
+ |
return; |
| 311 |
+ |
} |
| 312 |
+ |
dist = thisray.rot; |
| 313 |
+ |
} else if (dist <= .0) { |
| 314 |
+ |
error(COMMAND, "focus distance must be positive"); |
| 315 |
+ |
return; |
| 316 |
+ |
} |
| 317 |
+ |
ourview.vdist = dist; |
| 318 |
|
} |
| 319 |
|
|
| 320 |
|
|
