Method StartSimulation

src/Simulation.cpp:50–94

}

void Simulation::StartSimulation(
        double fTime,
        SimulationContext& ctx,
        bool bUpdateCollMesh,
        bool bSDFCollisionResponse,
        bool bAsync
    )
{
    // When we are done submitting sim commands, we will restore this as the default command list.
    // TODO Maybe pass this explicitly, rather than setting as default and retrieving from there.
    EI_CommandContext* renderContext = &GetDevice()->GetCurrentCommandContext();


    // When running async, we are getting a command list for submission on the async compute queue.
    // We are only accumulating commands for submission now.  There will be a wait for actual
    // submission after this.
    EI_CommandContext* simContext = renderContext;
    if (bAsync)
    {
        simContext = &GetDevice()->GetComputeCommandContext();
    }

    if (bUpdateCollMesh)
    {
        // Updates the skinned version of the mesh,
        // which is input to SDF.
        // We are using a compute-based skinning system here, 
        // which is not part of the TressFX library.
        for (size_t i = 0; i < ctx.collisionMeshes.size(); i++)
            ctx.collisionMeshes[i]->SkinTheMesh(*simContext, fTime);
            
        UpdateCollisionMesh(*simContext, ctx);
    }

    RunSimulation(*simContext, ctx);

    if (bSDFCollisionResponse)
        RunCollision(*simContext, ctx);


    for (size_t i = 0; i < ctx.hairStrands.size(); i++)
        ctx.hairStrands[i]->TransitionSimToRendering(*renderContext);


}

void Simulation::WaitOnSimulation()
{