| 23 |
|
* sort of context, so it is impossible to simultaneously run |
| 24 |
|
* this library on multiple scenes or in multiple threads. |
| 25 |
|
* You get one scene and one thread, and if you want more, you |
| 26 |
< |
* will have to go with the process model used by the programs |
| 27 |
< |
* gen/mkillum, hd/rholo, and px/pinterp. Finally, unrecoverable |
| 28 |
< |
* errors result in a call to the application-defined function |
| 29 |
< |
* quit(). The usual thing to do is to call exit(). |
| 26 |
> |
* will have to go with the process model defined in raypcalls.c. |
| 27 |
> |
* Finally, unrecoverable errors result in a call to the application- |
| 28 |
> |
* defined function quit(). The usual thing to do is to call exit(). |
| 29 |
|
* You might want to do something else instead, like |
| 30 |
|
* call setjmp()/longjmp() to bring you back to the calling |
| 31 |
|
* function for recovery. You may also wish to define your own |
| 118 |
|
|
| 119 |
|
int do_irrad = 0; /* compute irradiance? */ |
| 120 |
|
|
| 121 |
+ |
int rand_samp = 0; /* pure Monte Carlo sampling? */ |
| 122 |
+ |
|
| 123 |
|
double dstrsrc = 0.0; /* square source distribution */ |
| 124 |
|
double shadthresh = .03; /* shadow threshold */ |
| 125 |
|
double shadcert = .75; /* shadow certainty */ |
| 180 |
|
RAY *r |
| 181 |
|
) |
| 182 |
|
{ |
| 183 |
< |
rayorigin(r, NULL, PRIMARY, 1.0); |
| 184 |
< |
samplendx++; |
| 183 |
> |
rayorigin(r, PRIMARY, NULL, NULL); |
| 184 |
> |
samplendx = rand_samp ? random() : samplendx+1; |
| 185 |
|
rayvalue(r); /* assumes origin and direction are set */ |
| 186 |
|
} |
| 187 |
|
|
| 364 |
|
memset(rp->ambfile, '\0', sizeof(rp->ambfile)); |
| 365 |
|
rp->ambvwt = 0; |
| 366 |
|
rp->ambres = 256; |
| 367 |
< |
rp->ambacc = 0.1; |
| 367 |
> |
rp->ambacc = 0.15; |
| 368 |
|
rp->ambdiv = 1024; |
| 369 |
|
rp->ambssamp = 512; |
| 370 |
|
rp->ambounce = 0; |
