| 13 | // some utilities ... |
| 14 | |
| 15 | inline FlatVector<Vec<3>> GetTangents() |
| 16 | { |
| 17 | static Vec<3> tet_tangents[] = |
| 18 | { |
| 19 | {1, 0, 0}, |
| 20 | {0, 1, 0}, |
| 21 | {0, 0, 1}, |
| 22 | {-1, 1, 0}, |
| 23 | {-1, 0, 1}, |
| 24 | {0, -1, 1}, |
| 25 | }; |
| 26 | |
| 27 | return FlatVector<Vec<3>>(6, tet_tangents); |
| 28 | }; |
| 29 | |
| 30 | inline FlatVector<Vec<2>> GetTangentsTrig() |
| 31 | { |