391 |
|
if (delta_r2 >= maxangle*maxangle) |
392 |
|
continue; |
393 |
|
/* |
394 |
+ |
* Modified ray behind test |
395 |
+ |
*/ |
396 |
+ |
VSUB(ck0, av->pos, r->rop); |
397 |
+ |
d = DOT(ck0, uvw[2]); |
398 |
+ |
if (d < -minarad*qambacc-.001) |
399 |
+ |
continue; |
400 |
+ |
d /= av->rad[0]; |
401 |
+ |
delta_t2 = d*d; |
402 |
+ |
if (delta_t2 >= qambacc*qambacc) |
403 |
+ |
continue; |
404 |
+ |
/* |
405 |
|
* Elliptical radii test based on Hessian |
406 |
|
*/ |
407 |
|
decodedir(uvw[0], av->udir); |
408 |
|
VCROSS(uvw[1], uvw[2], uvw[0]); |
398 |
– |
VSUB(ck0, av->pos, r->rop); |
409 |
|
d = DOT(ck0, uvw[0]) / av->rad[0]; |
400 |
– |
delta_t2 = d*d; |
401 |
– |
d = DOT(ck0, uvw[1]) / av->rad[1]; |
410 |
|
delta_t2 += d*d; |
411 |
< |
d = DOT(ck0, uvw[2]) / av->rad[0]; |
411 |
> |
d = DOT(ck0, uvw[1]) / av->rad[1]; |
412 |
|
delta_t2 += d*d; |
413 |
|
if (delta_t2 >= qambacc*qambacc) |
414 |
|
continue; |