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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 | |
| 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.
| -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); |