51 |
|
#define MAX_SORT_INTVL (SORT_INTVL<<6) |
52 |
|
#endif |
53 |
|
|
54 |
+ |
|
55 |
+ |
static double qambacc = 0.; /* ambient accuracy to the 1/4 power */ |
56 |
|
static double avsum = 0.; /* computed ambient value sum (log) */ |
57 |
|
static unsigned int navsum = 0; /* number of values in avsum */ |
58 |
|
static unsigned int nambvals = 0; /* total number of indirect values */ |
134 |
|
if (newa < 0.0) |
135 |
|
newa = 0.0; |
136 |
|
ambdiff = fabs(newa - ambacc); |
137 |
< |
if (ambdiff >= .01 && (ambacc = newa) > FTINY && nambvals > 0) |
138 |
< |
sortambvals(1); /* rebuild tree */ |
137 |
> |
if (ambdiff >= .01 && (ambacc = newa) > FTINY) { |
138 |
> |
qambacc = sqrt(sqrt(ambacc)); |
139 |
> |
if (nambvals > 0) |
140 |
> |
sortambvals(1); /* rebuild tree */ |
141 |
> |
} |
142 |
|
} |
143 |
|
|
144 |
|
|
534 |
|
at = &atrunk; |
535 |
|
VCOPY(ck0, thescene.cuorg); |
536 |
|
s = thescene.cusize; |
537 |
< |
while (s*(OCTSCALE/2) > av->rad[1]*ambacc) { |
537 |
> |
while (s*(OCTSCALE/2) > av->rad[1]*qambacc) { |
538 |
|
if (at->kid == NULL) |
539 |
|
if ((at->kid = newambtree()) == NULL) |
540 |
|
error(SYSTEM, "out of memory in avinsert"); |