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| author | Sybren A. Stüvel <sybren@stuvel.eu> | 2017-05-26 15:02:50 +0300 |
|---|---|---|
| committer | Sybren A. Stüvel <sybren@stuvel.eu> | 2017-05-30 14:47:51 +0300 |
| commit | 4e5440686d16fa0e1a51a71faae0d84e36d4a5f0 (patch) | |
| tree | 0803f342aa7fc20cde96d3c0523db301b8f2778f /source/blender/alembic | |
| parent | 916eca6a1e52806cf135f2c289432820547f1502 (diff) | |
Alembic export: normalise the homogeneous component after scaling
The scale matrix must have its homogeneous 'w' (at mat[3][3]) set to the
scale in order to also scale the translations along with it. However, this
also scales the transform matrix's 'w' component, which is not supposed
to happen.
Diffstat (limited to 'source/blender/alembic')
| -rw-r--r-- | source/blender/alembic/intern/abc_transform.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/source/blender/alembic/intern/abc_transform.cc b/source/blender/alembic/intern/abc_transform.cc index e2369e80618..5392387663f 100644 --- a/source/blender/alembic/intern/abc_transform.cc +++ b/source/blender/alembic/intern/abc_transform.cc @@ -108,6 +108,7 @@ void AbcTransformWriter::do_write() scale_m4_fl(scale_mat, m_settings.global_scale); scale_mat[3][3] = m_settings.global_scale; /* also scale translation */ mul_m4_m4m4(yup_mat, yup_mat, scale_mat); + yup_mat[3][3] /= m_settings.global_scale; /* normalise the homogeneous component */ } m_matrix = convert_matrix(yup_mat); |