With Obi Softbody you can simulate complex elastoplastic softbodies composed of thousands of polygons, complete with collisions, self-collisions, and rigid body interaction.
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This package is provided solely for evaluation, learning, or testing purposes before purchase and is not permitted for commercial use.
Obi Softbody v7.2 (Latest version)
Obi Softbody v7.1
Obi Softbody v7.0.5 (12 Mar 2025)
Obi Softbody v7.0.3
Obi Softbody v7.0.1
Obi Softbody v6.5.1
Obi Softbody v6.4
(Tested with Unity version 2020.3.23f1)
Obi Softbody v6.3
(Tested with Unity version 2020.3.23f1)
Obi Softbody v6.0.1
Obi Softbody v5.0
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Obi Softbody is a high-quality, high-performance soft body physics engine based on cutting-edge technology. Simulate complex elastoplastic softbodies composed of thousands of polygons, complete with collisions, self-collisions and rigid body interaction.
Disclaimer: this is not a clay/mesh sculpting tool, and is not suitable as a starting point to make one. Does not support topological changes in the meshes.
Softbodies are physically represented by a set of ellipsoidal particles held together by shape-matching constraints. This way, they can deform both elastically (restoring their rest shape) or plastically (absorbing some of the deformation into their rest shape).
Available for Windows, Mac, iOS and Android.
Links
Obi Website
Community and Support Forum
Features:
– Advanced oriented-particle XPBD solver.
– One-click softbody generation.
– Turn entire objects into softbodies, as well as specific parts of characters.
– Softbodies can deform plastically: part of the deformation is absorbed into their rest shape. They can also recover from plastic deformation. – Unconditionally stable: the simulation will never blow up.
– Two-way rigid body interaction: softbodies will react to rigidbodies and vice-versa.
– Modular solver: don’t waste performance, only use the constraints your softbody needs.
– Per module adjustable solver iteration count.
– Works with all kinds of meshes, even non-manifold ones. – Any part of a softbody can be attached to any collider/rigidbody, using rotating as well as fixed orientation links.
– Self and inter-collisions: softbodies can collide with themselves and other softbodies. – Automatic camera culling: non-visible softbodies won’t consume resources.
– Easily extensible and modular architecture.
