| 38 |
|
int directinvis = 0; /* sources invisible? */ |
| 39 |
|
double srcsizerat = 0.; /* maximum ratio source size/dist. */ |
| 40 |
|
|
| 41 |
+ |
double specthresh = .5; /* specular sampling threshold */ |
| 42 |
+ |
double specjitter = 1.; /* specular sampling jitter */ |
| 43 |
+ |
|
| 44 |
|
int maxdepth = 4; /* maximum recursion depth */ |
| 45 |
|
double minweight = 1e-2; /* minimum ray weight */ |
| 46 |
|
|
| 68 |
|
|
| 69 |
|
#define RESERVE_AMT 32768 /* amount of memory to reserve */ |
| 70 |
|
|
| 71 |
< |
#define CTRL(c) ('c'-'@') |
| 71 |
> |
#define CTRL(c) ((c)-'@') |
| 72 |
|
|
| 73 |
|
|
| 74 |
|
quit(code) /* quit program */ |
| 251 |
|
goto commerr; |
| 252 |
|
getpivot(args); |
| 253 |
|
break; |
| 254 |
< |
case CTRL(R): /* redraw */ |
| 254 |
> |
case CTRL('R'): /* redraw */ |
| 255 |
|
redraw(); |
| 256 |
|
break; |
| 257 |
|
case 'w': /* write */ |
| 263 |
|
if (badcom("quit")) |
| 264 |
|
goto commerr; |
| 265 |
|
quit(0); |
| 266 |
< |
case CTRL(C): /* interrupt */ |
| 266 |
> |
case CTRL('C'): /* interrupt */ |
| 267 |
|
goto again; |
| 268 |
|
#ifdef SIGTSTP |
| 269 |
< |
case CTRL(Z): /* stop */ |
| 269 |
> |
case CTRL('Z'): /* stop */ |
| 270 |
|
devclose(); |
| 271 |
|
kill(0, SIGTSTP); |
| 272 |
|
/* pc stops here */ |