Vellum spin

Forums Technical Discussion Vellum spin

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Poulpito: Member; 25 posts; Joined: Nov. 2013; Offline

May 9, 2020 6:20 a.m.

Hi,

Is it possible to animate the rotation of a vellum constraint?
I have not been able to use rest vector.

example: a rotation of the pyramid around point 1

Edited by Poulpito - May 9, 2020 06:20:49

Attachments:
ex.hipnc (489.2 KB)


N-G: Member; 213 posts; Joined: March 2018; Offline

May 9, 2020 4:16 p.m.

Hi!
Since soft bodies do not have rotational velocity (It don't make sense) like w in rigid body dynamics, you should create rotational force yourself.
See the HIP file.
Hope it helps!

Attachments:
ex FIXED.hipnc (525.6 KB)


tamte: Member; 9367 posts; Joined: July 2007; Offline

May 9, 2020 10:36 p.m.

Poulpito
Is it possible to animate the rotation of a vellum constraint?
I have not been able to use rest vector.

example: a rotation of the pyramid around point 1

only thing you need to do is make sure your pins have Match Animation On and just animate p@orient attribute

Attachments:
ex_mod.hipnc (496.0 KB)

Tomas Slancik
CG Supervisor
Framestore, NY


Poulpito: Member; 25 posts; Joined: Nov. 2013; Offline

May 11, 2020 4:28 a.m.

Thank you

@N-G There is a rotation velocity in Vellum, the problem is that they conflict with the bend of the hair constraint.
@tamte The objective is to have not pin, the system must come free on each side of the motor.

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