| 1 |
+ |
#ifndef lint |
| 2 |
+ |
static const char RCSid[] = "$Id$"; |
| 3 |
+ |
#endif |
| 4 |
|
/* |
| 5 |
|
================================================================== |
| 6 |
|
Photon map support routines for emission from light sources |
| 10 |
|
(c) Lucerne University of Applied Sciences and Arts, |
| 11 |
|
supported by the Swiss National Science Foundation (SNSF, #147053) |
| 12 |
|
================================================================== |
| 13 |
< |
|
| 11 |
< |
$Id$ |
| 13 |
> |
|
| 14 |
|
*/ |
| 15 |
|
|
| 16 |
|
|
| 594 |
|
unsigned i, t, p; |
| 595 |
|
double phi, cosTheta, sinTheta, du, dv, dOmega, thetaScale; |
| 596 |
|
EmissionSample* sample; |
| 597 |
< |
const OBJREC* mod = objptr(emap -> src -> so -> omod); |
| 597 |
> |
const OBJREC* mod = findmaterial(emap -> src -> so); |
| 598 |
|
static RAY r; |
| 599 |
|
#if 0 |
| 600 |
|
static double lastCosNorm = FHUGE; |
| 601 |
|
static SRCREC *lastSrc = NULL, *lastPort = NULL; |
| 602 |
|
#endif |
| 603 |
|
|
| 604 |
+ |
setcolor(emap -> partFlux, 0, 0, 0); |
| 605 |
+ |
|
| 606 |
|
photonOrigin [emap -> src -> so -> otype] (emap); |
| 607 |
|
cosTheta = DOT(emap -> ws, emap -> wh); |
| 608 |
|
|
| 625 |
|
#endif |
| 626 |
|
|
| 627 |
|
/* Need to recompute flux & PDF */ |
| 624 |
– |
setcolor(emap -> partFlux, 0, 0, 0); |
| 628 |
|
emap -> cdf = 0; |
| 629 |
|
emap -> numSamples = 0; |
| 630 |
|
|
| 673 |
|
|
| 674 |
|
VCOPY(r.rorg, emap -> photonOrg); |
| 675 |
|
VCOPY(r.rop, emap -> photonOrg); |
| 676 |
< |
r.rmax = FHUGE; |
| 676 |
> |
r.rmax = 0; |
| 677 |
|
|
| 678 |
|
for (t = 0; t < emap -> numTheta; t++) { |
| 679 |
|
for (p = 0; p < emap -> numPhi; p++) { |
| 743 |
|
unsigned long i, lo, hi; |
| 744 |
|
const EmissionSample* sample = emap -> samples; |
| 745 |
|
RREAL du, dv, cosTheta, cosThetaSqr, sinTheta, phi; |
| 746 |
< |
const OBJREC* mod = objptr(emap -> src -> so -> omod); |
| 746 |
> |
const OBJREC* mod = findmaterial(emap -> src -> so); |
| 747 |
|
|
| 748 |
|
/* Choose a new origin within current partition for every |
| 749 |
|
emitted photon to break up clustering artifacts */ |
| 750 |
|
photonOrigin [emap -> src -> so -> otype] ((EmissionMap*)emap); |
| 751 |
+ |
/* If we have a local glow source with a maximum radius, then |
| 752 |
+ |
restrict our photon to the specified distance (otherwise no limit) */ |
| 753 |
+ |
if (mod -> otype == MAT_GLOW && !(emap -> src -> sflags & SDISTANT) |
| 754 |
+ |
&& mod -> oargs.farg[3] > FTINY) |
| 755 |
+ |
ray -> rmax = mod -> oargs.farg[3]; |
| 756 |
+ |
else |
| 757 |
+ |
ray -> rmax = 0; |
| 758 |
|
rayorigin(ray, PRIMARY, NULL, NULL); |
| 749 |
– |
ray -> rmax = FHUGE; |
| 759 |
|
|
| 760 |
|
if (!emap -> numSamples) { |
| 761 |
|
/* Source is unmodified and has no port, and either local with |
