Hi

I want to create a field of grass using hair and affect a group of hairs with a volume and a falloff. So only the hairs inside that volume will be affected by the wind.

In Maya or Cinema 4D when we create a force field we can choose it's shape, how can this be done in Houdini?



Tks!

Here's a 16.0 scene where I use a SOP Scalar Field and Mask Field in DOPs to bring in a volume from SOPs. You can plug this kind of setup into the data input of all force DOPs.

That's great thanks, I had figured it already anyway. The exact same approach.

But now I've hit another wall. How could I control the direction of the wind with the motion of the object? Or with the direction of the object's points movement.

Basically what I need is to animate that sphere and use its direction on the wind direction.