Object Bind with Falloff?

[mitchfx]

Looks great! Question, how does it be have if the object is static and the volume of particles is traveling though space after birth via a gravity or other force? That is the situation I'm struggling with currently.

BTW, would it make sense to have this new method be tied to a checkbox labeled something like "use surface distance" which is OFF by default? I can imagine a change like this would otherwise break a LOT of existing setups

Thanks