SignbitsForPlane
(cplane_t out)
| 600 | * SignbitsForPlane |
| 601 | */ |
| 602 | int SignbitsForPlane(cplane_t out) { |
| 603 | // for fast box on planeside test |
| 604 | int bits = 0; |
| 605 | for (int j = 0; j < 3; j++) { |
| 606 | if (out.normal[j] < 0) |
| 607 | bits |= (1 << j); |
| 608 | } |
| 609 | return bits; |
| 610 | } |
| 611 | |
| 612 | /** |
| 613 | * R_SetFrustum |