![]() The volume tools have also been updated to support “fully adaptive conversions between meshes and volumes”, and for performing Boolean operations on volumes: for example, to merge adaptive level sets.īifrost 2.2: under-the-hood changes and workflow improvements The Aero solver for gaseous fluids gets support for physical viscosity, better generation of fine details, and improved performance, although Autodesk doesn’t put a figure on the speed boost. The existing solvers have also been updated, with the MPM (Material Point Method) solver for cloth now generating more accurate collisions and self-collisions. Suggested uses include using Maya curves to control object scattering, and even as guide curves for hair simulation, with Bifrost generating interpolated hairs between them: a task normally handled by XGen. ![]() Other changes in Bifrost 2.2 for Maya include support for Maya curves, which can now be dragged and dropped into Bifrost graphs where they are converted automatically into Bifrost strands. Mid-level nodes handle tasks like orienting instances to a mesh or randomising their transformations.īifrost 2.2: support for Maya curves, plus updates to the MPM and Aero solvers Outside effects workflows, fields can also be used to control the scattering of objects like rocks or trees in a scene: the basis of Bifrost 2.2’s new Scatter Pack.Ī collection of new Bifrost compounds for instancing and scattering geometry, it include high-level compounds for scattering points onto geometry and for converting existing point distributions to instances. One major change is the option to control simulations via user-defined 3D vector or scalar fields: the former to represent flow or 3D noise, the latter for weighting or signed distance functions.Įxisting volumes can be converted to fields, and vice versa, although unlike volumetric representations like OpenVDB, fields provide infinite resolution with little increase in memory overhead.Īccording to Autodesk, the new fields can “act as dynamics influences on particles, cloth, or aerodynamic simulations – without having to go inside FX compounds to edit them”.īifrost 2.2: new options for instancing or scattering geometry The add-on, an expanded version of Maya’s original Bifrost Fluids simulation toolset, provides a node-based visual programming enviroment in which to author multiphysics simulations.Īs well as liquids, it includes solvers for gaseous fluids, granular materials and cloth.īifrost 2.2 for Maya is the second update to the plugin this year, and the most significant since it was released in its present form.īifrost 2.2: control simulations via scalar or vector 3D fields The main change in Maya 2020.4 is Bifrost 2.2 for Maya: the new version of the bundled multiphysics plugin. Maya 2020.4 only: now bundled with version 2.2 of the Bifrost plugin Maya LT, the cut-down edition of the software, gets a smaller update, with version 2020.4 adding the option to snap the current time marker to keys in the Graph Editor, and updating the Substance plugin. It is also now possible to use custom 3D fields to control particle, gaseous fluid or cloth simulations. Most of the new features come inside Bifrost 2.2, a big update to Maya’s multiphysics plugin that broadens it out into a tool for scattering and instancing geometry, and even hair simulation. Autodesk has released Maya 2020.4, the latest version of its 3D modelling and animation software.
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