| 589 |
|
if (usematrix) { |
| 590 |
|
pos[0] += theirview.hoff - .5; |
| 591 |
|
pos[1] += theirview.voff - .5; |
| 592 |
+ |
if (normdist && theirview.type == VT_PER) |
| 593 |
+ |
d = sqrt(1. + pos[0]*pos[0]*theirview.hn2 |
| 594 |
+ |
+ pos[1]*pos[1]*theirview.vn2); |
| 595 |
+ |
else |
| 596 |
+ |
d = 1.; |
| 597 |
+ |
pos[2] += d*theirview.vfore; |
| 598 |
|
if (theirview.type == VT_PER) { |
| 599 |
< |
if (normdist) /* adjust distance */ |
| 594 |
< |
pos[2] /= sqrt(1. + pos[0]*pos[0]*theirview.hn2 |
| 595 |
< |
+ pos[1]*pos[1]*theirview.vn2); |
| 599 |
> |
pos[2] /= d; |
| 600 |
|
pos[0] *= pos[2]; |
| 601 |
|
pos[1] *= pos[2]; |
| 602 |
|
} |
| 603 |
|
multp3(pos, pos, theirs2ours); |
| 604 |
< |
if (pos[2] <= 0) |
| 604 |
> |
if (pos[2] <= ourview.vfore) |
| 605 |
|
return(0); |
| 606 |
|
if (ourview.type == VT_PER) { |
| 607 |
|
pos[0] /= pos[2]; |
| 609 |
|
} |
| 610 |
|
pos[0] += .5 - ourview.hoff; |
| 611 |
|
pos[1] += .5 - ourview.voff; |
| 612 |
+ |
pos[2] -= ourview.vfore; |
| 613 |
|
} else { |
| 614 |
|
if (viewray(pt, tdir, &theirview, pos[0], pos[1]) < -FTINY) |
| 615 |
|
return(0); |
