[Bf-committers] It's time to get rid of cloth

[Aaron Carlisle]

Hi looking at this thread I wonder if anyone has looked into implementing
SDF
based collision detection in Blender. It seems to be quite a bit more stable
than sample based detection. Here is a recent paper on the topic [1]
<https://mmacklin.com/sdfcontact.pdf>

1. https://mmacklin.com/sdfcontact.pdf <https://mmacklin.com/sdfcontact.pdf>

On Wed, Oct 21, 2020, 21:56 bjornmose via Bf-committers <
bf-committers at blender.org> wrote:

> Might it be, that old experienced coders knowing physics and all the
> other things about stiff differential equations turned their back to
> blender development?
>
> May be because lack of time .. may be an ignored patch proposal .. for
> those do not have the time at hand to provide elaborated solutions?
>
> Well ...
>
> bjornmose
>
>
> On 20.10.20 20:35, Joe Eagar via Bf-committers wrote:
> > Brecht, you can avoid the worst numerical instability issues of CCD by
> > adding a small repulsion force when cloth is in close proximity with
> > geometry.  IIRC most commercial cloth sims do this.
> >
> > Ton, I'm sorry I blew up.  Cloth collision is something of a
> > special nightmare for me.
> >
> > Sergej, that's fair.
> > Sebastian, sounds like you're doing good work, just remember that robust
> > collisions are important :)
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