(z, up, pos)
| 148 | return x / np.linalg.norm(x) |
| 149 | |
| 150 | def viewmatrix(z, up, pos): |
| 151 | vec2 = normalize(z) |
| 152 | vec1_avg = up |
| 153 | vec0 = normalize(np.cross(vec1_avg, vec2)) |
| 154 | vec1 = normalize(np.cross(vec2, vec0)) |
| 155 | m = np.stack([vec0, vec1, vec2, pos], 1) |
| 156 | return m |
| 157 | |
| 158 | def normalize_recenter_pose(poses, sc, hwf): |
| 159 | ''' normalize xyz into [-1, 1], and recenter pose ''' |
no test coverage detected