17 |
|
|
18 |
|
#define MAXCSET ((MAXSET+1)*2-1) /* maximum check set size */ |
19 |
|
|
20 |
< |
unsigned long raynum = 0; /* next unique ray number */ |
21 |
< |
unsigned long nrays = 0; /* number of calls to localhit */ |
20 |
> |
RNUMBER raynum = 0; /* next unique ray number */ |
21 |
> |
RNUMBER nrays = 0; /* number of calls to localhit */ |
22 |
|
|
23 |
|
static RREAL Lambfa[5] = {PI, PI, PI, 0.0, 0.0}; |
24 |
|
OBJREC Lamb = { |
93 |
|
colval(ro->cext,RED) : colval(ro->cext,GRN); |
94 |
|
if (colval(ro->cext,BLU) < re) re = colval(ro->cext,BLU); |
95 |
|
re *= ro->rot; |
96 |
< |
if (re > 0.1) |
97 |
< |
if (re > 92.) |
96 |
> |
if (re > 0.1) { |
97 |
> |
if (re > 92.) { |
98 |
|
r->rweight = 0.0; |
99 |
< |
else |
99 |
> |
} else { |
100 |
|
r->rweight *= exp(-re); |
101 |
+ |
} |
102 |
+ |
} |
103 |
|
} |
104 |
|
rayclear(r); |
105 |
|
if (r->rweight <= 0.0) /* check for expiration */ |
304 |
|
/* foreground */ |
305 |
|
fr = *r; |
306 |
|
if (coef > FTINY) { |
307 |
+ |
fr.rweight *= coef; |
308 |
|
scalecolor(fr.rcoef, coef); |
309 |
|
foremat = rayshade(&fr, fore); |
310 |
|
} |
311 |
|
/* background */ |
312 |
|
br = *r; |
313 |
|
if (coef < 1.0-FTINY) { |
314 |
+ |
br.rweight *= 1.0-coef; |
315 |
|
scalecolor(br.rcoef, 1.0-coef); |
316 |
|
backmat = rayshade(&br, back); |
317 |
|
} |