| 57 |
|
double cos1, cos2, nratio; |
| 58 |
|
COLOR mcolor; |
| 59 |
|
double mabsorp; |
| 60 |
< |
double refl, trans; |
| 60 |
> |
double refl, trans, transbright; |
| 61 |
|
FVECT dnorm; |
| 62 |
|
double d1, d2; |
| 63 |
|
RAY p; |
| 115 |
|
|
| 116 |
|
refl /= 2.0; |
| 117 |
|
trans = 1.0 - refl; |
| 118 |
+ |
transbright = -FTINY; |
| 119 |
|
|
| 120 |
|
if (rayorigin(&p, r, REFRACTED, mabsorp*trans) == 0) { |
| 121 |
|
|
| 136 |
|
multcolor(mcolor, r->pcol); /* modify */ |
| 137 |
|
scalecolor(p.rcol, trans); |
| 138 |
|
addcolor(r->rcol, p.rcol); |
| 139 |
+ |
transbright = bright(p.rcol); |
| 140 |
|
r->rt = r->rot + p.rt; |
| 141 |
|
} |
| 142 |
|
} |
| 153 |
|
|
| 154 |
|
scalecolor(p.rcol, refl); /* color contribution */ |
| 155 |
|
addcolor(r->rcol, p.rcol); |
| 156 |
< |
if (refl > trans) |
| 156 |
> |
if (bright(p.rcol) > transbright) |
| 157 |
|
r->rt = r->rot + p.rt; |
| 158 |
|
} |
| 159 |
|
|