* Removes unnecessary inverts * Clarifys brush plane area normal usage * Reduce scope of variables where possible * Use equivalent C++ math apis Pull Request: https://projects.blender.org/blender/blender/pulls/137013
* Removes unnecessary inverts * Clarifys brush plane area normal usage * Reduce scope of variables where possible * Use equivalent C++ math apis Pull Request: https://projects.blender.org/blender/blender/pulls/137013