| # | Line 478 | Line 478 | ambdirgrad(AMBHEMI *hp, FVECT uv[2], float dg[2]) | |
|---|---|---|
| 478 | VSUB(vd, ap->p, hp->rp->rop); | |
| 479 | /* brightness over cosine factor */ | |
| 480 | gfact = colval(ap->v,CIEY) / DOT(hp->rp->ron, vd); | |
| 481 | < | /* -sine = -proj_radius/vd_length */ |
| 482 | < | dgsum[0] += DOT(uv[1], vd) * gfact; |
| 483 | < | dgsum[1] -= DOT(uv[0], vd) * gfact; |
| 481 | > | /* sine = proj_radius/vd_length */ |
| 482 | > | dgsum[0] -= DOT(uv[1], vd) * gfact; |
| 483 | > | dgsum[1] += DOT(uv[0], vd) * gfact; |
| 484 | } | |
| 485 | dg[0] = dgsum[0] / (hp->ns*hp->ns); | |
| 486 | dg[1] = dgsum[1] / (hp->ns*hp->ns); | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |