Update velocity every frame in DOPs

[BOON]

Hi all,

Can anyone please tell me how to update the point velocity attribute of an rbd object on every frame in DOPs?

Cheers

[Pazuzu]

You mean the rbd velocity? if so, you can use a vop force to affect the net force of RBD's.

If you want to change every aspect of a geometry in dops try a sop solver, or if you want to manipulate attributes only use the new Geometry VOP (the king of DOP's, ).

Edited September 23, 2013 by Pazuzu

[BOON]

Thanks Alejandro,

I've been just starting to play around with vop force and geometry vop. I'm not totally sure, I think I'm starting to get the idea what vop force does, but do you know where can I find out more about geometry vop?

[Pazuzu]

The best mentor to learn about every aspect of Houdini, is all the assets that ships with the software by default; For example if you want to learn more about the Geometry VOP, setup a scene that include the new whitewater FX, then dive inside the whitewater solver, there you can find awesome examples of how the Geometry VOP is used to deal with the integration stage of particles in DOPs. Or you can use "opadd popintegrator" to lay down the heart of the whitewater solver.

[BOON]

I'll definitely look into that, thanks for your advice!