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This fixes the glitching hairs described in T56408, T63534, and possibly also T63534. The fix consists of returning the original mesh (i.e. as visible in edit mode) when constructing the ORCO mesh. This allows a static set of coordinates to be used when computing the child hair positions. The original mesh is only returned when it has the same topology (at least same number of vertices, loops, and polys. It's up the author of the Alembic file to ensure stable geometry when it's desired to be compatible with Blender's hair system. Reviewers: mont29, brecht Differential Revision: https://developer.blender.org/D5492
.. Keep this document short & concise, linking to external resources instead of including content in-line. See 'release/text/readme.html' for the end user read-me. Blender ======= Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing, motion tracking and video editing. .. figure:: https://code.blender.org/wp-content/uploads/2018/12/springrg.jpg :scale: 50 % :align: center Project Pages ------------- - `Main Website <http://www.blender.org>`__ - `Reference Manual <https://docs.blender.org/manual/en/latest/index.html>`__ - `User Community <https://www.blender.org/community/>`__ Development ----------- - `Build Instructions <https://wiki.blender.org/wiki/Building_Blender>`__ - `Code Review & Bug Tracker <https://developer.blender.org>`__ - `Developer Forum <https://devtalk.blender.org>`__ - `Developer Documentation <https://wiki.blender.org>`__ License ------- Blender as a whole is licensed under the GNU Public License, Version 3. Individual files may have a different, but compatible license. See `blender.org/about/license <https://www.blender.org/about/license>`__ for details.