GDC 2013: PhysX 3 cloth solver will add self-collision and inter-collision features
Special 'embedded' PhysX 3 clothing solver, introduced in APEX SDK 1.2, has indeed many advantages over the previous cloth simulation solution ' it is more robust, efficient, stretch-resistance.
However, due to its simplified nature, PhysX 3 cloth solver is also missing some features, such as tearing, two-way interaction with rigid bodies and self-collision support.
As the first step, updated version of the clothing solver, which will be introduced in PhysX SDK 3.3 and APEX Clothing 1.3 module, will include new self-collision algorithm, that will allow cloth to behave more naturally and also improve formation of folds and wrinkles.
In addition to self-collision, improved cloth solver also supports inter-collision between multiple cloth actors (take that, 2.8 cloth !) for qualitative simulation of complex multi-layered clothing.
For a note, full-body clothing assets, presented in the video, contain roughly ~ 10 000 simulated cloth vertices each and are running on GPU in real-time.
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