Method UpdateCloths

Source/Engine/Physics/PhysX/PhysicsBackendPhysX.cpp:1405–1456

}

void ScenePhysX::UpdateCloths(float dt)
{
    nv::cloth::Solver* clothSolver = ClothSolver;
    if (!clothSolver || ClothsList.IsEmpty())
        return;
    PROFILE_CPU_NAMED("Physics.Cloth");
    PROFILE_MEM(PhysicsCloth);

    {
        PROFILE_CPU_NAMED("Pre");
        Function<void(int32)> job;
        job.Bind<ScenePhysX, &ScenePhysX::PreSimulateCloth>(this);
        JobSystem::Execute(job, ClothsList.Count());
    }

    {
        PROFILE_CPU_NAMED("Simulation");
        if (clothSolver->beginSimulation(dt))
        {
            Function<void(int32)> job;
            job.Bind<ScenePhysX, &ScenePhysX::SimulateCloth>(this);
            JobSystem::Execute(job, clothSolver->getSimulationChunkCount());
            clothSolver->endSimulation();
        }
    }

    {
        PROFILE_CPU_NAMED("Post");
        ScopeLock lock(ClothLocker);
        Array<Cloth*> brokenCloths;
        for (auto clothPhysX : ClothsList)
        {
            const auto& clothSettings = Cloths[clothPhysX];
            if (clothSettings.Culled)
                continue;
            if (clothSettings.UpdateBounds(clothPhysX))
                brokenCloths.Add(clothSettings.Actor);
            clothSettings.Actor->OnPostUpdate();
        }
        for (auto cloth : brokenCloths)
        {
            // Rebuild cloth object but keep fabric ref to prevent fabric recook
            auto fabric = &((nv::cloth::Cloth*)cloth->GetPhysicsCloth())->getFabric();
            Fabrics[fabric].Refs++;
            fabric->incRefCount();
            cloth->Rebuild();
            fabric->decRefCount();
            if (--Fabrics[fabric].Refs == 0)
                Fabrics.Remove(fabric);
        }
    }
}

#endif