Cloner necessary for rigid body sim?

[OPS]

Hello,

I'd like to simulate a group of circling spheres getting attracted to a position in space.
From my experiments, it seems that the 'new' rigid body dynamics only works for Cloned objects. Without the Cloner, the attractor doesn't have any effect on the group that has rigid body tag. I'd like to know if someone can confirm this.

I've also tried the bullet rigid body tag, and that seems to work without the group being cloned (However I have other limitations with this system, so I'd like to use the 'new' dynamics system).

If someone could shed some light on this, I'd most appreciate it!
I've attached the file that demonstrates my problem.RigidBodySimc4d.c4d

[OPS]

This file is the one without the cloner:
RigidBodySimNoCloner.c4d

[Dr. Sassi]

Hi OPS,

Each object needs a tag. The Hierarchy sector works only with MoGraph.
CV4_2024_drs_24_SIat_11.c4d

Please explore the Attribute Manager> Mode> Simulation> Draw: option

To see what is going on in the scene.

https://help.maxon.net/c4d/2024/en-us/Default.htm#html/TRIGIDBODY-RIGIDBODY_PBD_COLLISION_GROUP.html?TocPath=Simulate%2520Menu%257CThe%2520Simulation%2520System%257CThe%2520various%2520Simulation%2520tags%257CRigid%2520Body%257C_____3

All the best

[OPS]

Ah I see! I think the trick is to put the rigid body tag on the parenting sphere, not the group, as you have done in your example file. And that's good to know that the Hierarchy Merge Level only works with Mograph. Thank you, Dr. Sassi.
That's a nice tip about the simulation's draw option. I haven't used it before, but I can see it coming handy.

[Dr. Sassi]

Thanks a lot for the feedback, OPS.

Please let me know if there is anything else; I'll look into it.

Please put it in a new thread if it is a new theme. Thank you!

All the best