Unity releases Ziva VFX 2.1
Thursday, March 2nd, 2023 | Posted by Jim Thacker
Unity has launched Ziva VFX 2.1, the most recent model of its mushy tissue simulation plugin for Maya.
The replace introduces a brand new technique for detecting collisions between tissue layers, and new tissue stiffness and damping controls to enhance the standard of the simulations the plugin generates.
A strong instrument for creating steady, correct simulations of soppy tissues
First launched publicly in 2017, Ziva VFX is now a staple of visible results pipelines, with customers together with DNEG, Scanline VFX and Picture Engine.
The plugin mimics the stiffness, density and quantity preservation of actual tissues, together with bone, tendons, muscle groups and pores and skin; and helps a number of forms of bodily damping.
In addition to enhancing parameters immediately, Ziva VFX helps a brush-based workflow making it potential to color materials properties and mesh decision, and even paint in muscle attachment factors and muscle fibres.
The plugin was acquired by Unity final yr together with its authentic developer, Ziva Dynamics.
New in Ziva VFX 2.1: Steady Collision Detection, new tissue stiffness and damping controls
Ziva VFX 2.1 introduces a variety of new options meant to enhance the standard and stability of simulations, together with a brand new technique for detecting contacts between tissue layers.
Discrete Collision Detection has been changed by Steady Collision Detection (CCD), which interpolates the previous positions of vertices with their present positions to search out contact factors.
Particular person simulation timesteps now take longer to compute, however fewer substeps are required to resolve issues with tissues penetrating each other, which “can typically result in quicker simulation occasions”.
The replace additionally provides a brand new curvature stiffness attribute to the ZMaterial node, enabling customers to regulate the resistance of tissues to bending.
Rising curvature stiffness can scale back artefacts in simulations: the picture on the prime of this story exhibits it getting used to cut back creasing across the character’s shoulder when the arm is raised.
The zAttachment node, utilizing to attach layers of tissue collectively, will get a brand new damping attribute, which can be utilized to cut back unnatural-looking oscillations in simulations.
As well as, the Iterative Solver launched in Ziva VFX 2.0 as a substitute for the Direct Solver now helps all 4 integration strategies accessible to calculate the state of a simulation on the subsequent time step.
Pricing and system necessities
Ziva VFX 2.1 is obtainable for Maya 2019+, working on Home windows 7-10 or RHEL/CentOS 7.3+ Linux.
Ziva VFX Indie, meant for productions with complete revenues of below $500,000/yr, prices $50/month or $500/yr. For bigger initiatives, Ziva VFX Studio is priced at $1,800/yr.
Perpetual Studio licences can be found “upon request”.
Learn a full listing of recent options in Ziva VFX 2.1
Tags: animation, CCD, character rigging, collision detection, Steady Collision Detection, curvature stiffness, damping, sport growth, interpenetration, iterative solver, Maya, muscle simulation, new options, value, pores and skin simulation, mushy tissue, system necessities, tissue simulation, Unity, Unity Applied sciences, vfx, visible results, zAttachment, Ziva Dynamics, Ziva VFX, Ziva VFX 2.0, Ziva VFX 2.1, zMaterial
