# | Line 465 | Line 465 | FVECT pos; | |
---|---|---|
465 | { | |
466 | FVECT pt, direc; | |
467 | ||
468 | + | if (pos[2] <= 0) /* empty pixel */ |
469 | + | return(-1); |
470 | if (hasmatrix) { | |
471 | pos[0] += theirview.hoff - .5; | |
472 | pos[1] += theirview.voff - .5; | |
# | Line 505 | Line 507 | int samp; | |
507 | { | |
508 | int *yback, xback; | |
509 | int y; | |
508 | – | COLR pfill; |
510 | register int x, i; | |
511 | /* get back buffer */ | |
512 | yback = (int *)malloc(hresolu*sizeof(int)); |
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+ | Added lines |
< | Changed lines |
> | Changed lines |