| 85 |
|
double dtmp; |
| 86 |
|
COLOR ctmp; |
| 87 |
|
FVECT ldx; |
| 88 |
< |
double pt[MAXDIM]; |
| 88 |
> |
double lddx[3], pt[MAXDIM]; |
| 89 |
|
register char **sa; |
| 90 |
|
register int i; |
| 91 |
|
|
| 127 |
|
/* transform light vector */ |
| 128 |
|
multv3(ldx, ldir, funcxf.xfm); |
| 129 |
|
for (i = 0; i < 3; i++) |
| 130 |
< |
ldx[i] /= funcxf.sca; |
| 130 |
> |
lddx[i] = ldx[i]/funcxf.sca; |
| 131 |
|
/* compute BRTDF */ |
| 132 |
|
if (np->mp->otype == MAT_BRTDF) { |
| 133 |
< |
colval(ctmp,RED) = funvalue(sa[6], 3, ldx); |
| 133 |
> |
colval(ctmp,RED) = funvalue(sa[6], 3, lddx); |
| 134 |
|
if (!strcmp(sa[7],sa[6])) |
| 135 |
|
colval(ctmp,GRN) = colval(ctmp,RED); |
| 136 |
|
else |
| 137 |
< |
colval(ctmp,GRN) = funvalue(sa[7], 3, ldx); |
| 137 |
> |
colval(ctmp,GRN) = funvalue(sa[7], 3, lddx); |
| 138 |
|
if (!strcmp(sa[8],sa[6])) |
| 139 |
|
colval(ctmp,BLU) = colval(ctmp,RED); |
| 140 |
|
else if (!strcmp(sa[8],sa[7])) |
| 141 |
|
colval(ctmp,BLU) = colval(ctmp,GRN); |
| 142 |
|
else |
| 143 |
< |
colval(ctmp,BLU) = funvalue(sa[8], 3, ldx); |
| 143 |
> |
colval(ctmp,BLU) = funvalue(sa[8], 3, lddx); |
| 144 |
|
dtmp = bright(ctmp); |
| 145 |
|
} else if (np->dp == NULL) { |
| 146 |
< |
dtmp = funvalue(sa[0], 3, ldx); |
| 146 |
> |
dtmp = funvalue(sa[0], 3, lddx); |
| 147 |
|
setcolor(ctmp, dtmp, dtmp, dtmp); |
| 148 |
|
} else { |
| 149 |
|
for (i = 0; i < np->dp->nd; i++) |
| 150 |
< |
pt[i] = funvalue(sa[3+i], 3, ldx); |
| 150 |
> |
pt[i] = funvalue(sa[3+i], 3, lddx); |
| 151 |
|
dtmp = datavalue(np->dp, pt); |
| 152 |
|
dtmp = funvalue(sa[0], 1, &dtmp); |
| 153 |
|
setcolor(ctmp, dtmp, dtmp, dtmp); |
