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This does not fix all the cases in the bug report, because there are multiple different issues. Only the first two are fixed. The third is probably a known issue for now. Before this patch, the rigid body simulation was always done after modifiers are evaluated, because to perform the simulation, the final geometry of the object was required. However, the geometry is not required in all cases, depending on the selected collisions shape. This patch changes it so that when the simulation does not need the evaluated geometry, the simulation will be done before the modifiers are evaluated. This gives the modifiers access to the simulated positions. When the rigid body simulation does depend on the evaluated geometry, it will still be performed after modifiers are evaluated. The simulation will be performed after modifiers are evaluated, iff the collision shape is "Convex Hull" or "Mesh" and the source is set to "Deform" or "Final". Reviewers: sergey Differential Revision: https://developer.blender.org/D8487
.. 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.