(z, up, pos)
| 68 | return x / np.linalg.norm(x) |
| 69 | |
| 70 | def viewmatrix(z, up, pos): |
| 71 | vec2 = normalize(z) |
| 72 | vec1_avg = up |
| 73 | vec0 = normalize(np.cross(vec1_avg, vec2)) |
| 74 | vec1 = normalize(np.cross(vec2, vec0)) |
| 75 | m = np.stack([vec0, vec1, vec2, pos], 1) |
| 76 | return m |
| 77 | |
| 78 | def normalize_recenter_pose(poses, sc, hwf): |
| 79 | ''' normalize xyz into [-1, 1], and recenter pose ''' |
no test coverage detected