| # | Line 20 | Line 20 | extern double specthresh; /* specular sampling thres | |
|---|---|---|
| 20 | extern double specjitter; /* specular sampling jitter */ | |
| 21 | ||
| 22 | /* | |
| 23 | < | * This anisotropic reflection model uses a variant on the |
| 24 | < | * exponential Gaussian used in normal.c. |
| 23 | > | * This routine implements the anisotropic Gaussian |
| 24 | > | * model described by Ward in Siggraph `92 article. |
| 25 | * We orient the surface towards the incoming ray, so a single | |
| 26 | * surface can be used to represent an infinitely thin object. | |
| 27 | * | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |