| 16 |
|
#include "random.h" |
| 17 |
|
|
| 18 |
|
#ifndef WFLUSH |
| 19 |
< |
#ifdef SPEED |
| 20 |
< |
#define WFLUSH (5*SPEED) |
| 21 |
< |
#else |
| 22 |
< |
#define WFLUSH 100 /* flush after this many rays */ |
| 19 |
> |
#define WFLUSH 2048 /* flush after this many rays */ |
| 20 |
|
#endif |
| 24 |
– |
#endif |
| 21 |
|
|
| 22 |
|
#ifdef SMLFLT |
| 23 |
|
#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
| 167 |
|
setcolor(thisray.rcol, 0.0, 0.0, 0.0); |
| 168 |
|
} else { |
| 169 |
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
| 170 |
< |
samplendx = rand_samp ? random() : samplendx+1; |
| 170 |
> |
samplendx++; |
| 171 |
|
rayvalue(&thisray); |
| 172 |
|
} |
| 173 |
|
|
| 447 |
|
vp->vert /= zf; |
| 448 |
|
if (vp->vert > 360.) |
| 449 |
|
vp->vert = 360.; |
| 450 |
+ |
return; |
| 451 |
+ |
case VT_PLS: /* planisphere fisheye */ |
| 452 |
+ |
vp->horiz = sin((PI/180./2.)*vp->horiz) / |
| 453 |
+ |
(1.0 + cos((PI/180./2.)*vp->horiz)) / zf; |
| 454 |
+ |
vp->horiz *= vp->horiz; |
| 455 |
+ |
vp->horiz = (2.*180./PI)*acos((1. - vp->horiz) / |
| 456 |
+ |
(1. + vp->horiz)); |
| 457 |
+ |
vp->vert = sin((PI/180./2.)*vp->vert) / |
| 458 |
+ |
(1.0 + cos((PI/180./2.)*vp->vert)) / zf; |
| 459 |
+ |
vp->vert *= vp->vert; |
| 460 |
+ |
vp->vert = (2.*180./PI)*acos((1. - vp->vert) / |
| 461 |
+ |
(1. + vp->vert)); |
| 462 |
|
return; |
| 463 |
|
case VT_CYL: /* cylindrical panorama */ |
| 464 |
|
vp->horiz /= zf; |
