Position a null on a particle

[ChrB]

Hi,

I am trying to constrain a null (lets call him trackNull) to a particle through ICE. The particle is on a point cloud, which is a child of a null (lets call him masterNull).

I imagined smt like this as a non simulated ICE tree on trackNull :

Get pointCloud -> ID to Location -> Get point position -> (multiplied by the transformation matrix of the masterNull) -> SRT to Matrix -> Set self.kine.global -> Port

but the null does not go to the right position and it jumps between two positions on each other frame...

Can somebody help me?

Thanks in advance

[EricTRocks]

That will be $5....


edited by mod: added the vimeo tag

[xsisupport]

Or...

• Select the null.
• In the ICE toolbar, click Kinematics > Effects > Transform Objects by Particles.
• Pick the point cloud.

The null is now constrained to particle 0.
There's an ICETree on the null where you can change the particle index, to constrain the null to a particle with a different ID.

[EricTRocks]

Sure give them the easy way out!

[ChrB]

Thanks guys!