Hello,

I am new to Houdini, playing with version 6.1.1 AE and I have few questions related to RBD.

I create grid and spere for example. Then I choose Rigid Body Dynamcs generic operator (MB to secect objects, then right MB). Then I choose for grid - Active Rigid Body: 0 (pasive), mass: 0; and for Sphere - Linear velocity: 0,-2,0. Then while object are selected I choose Force, and dynamic symulation starts.
But … Each time something is different. Spere jumps in space on frame 1, and when I change its bouncing parameter (and then set it back on same vale as it was before change) it returns in place.
Is this procedure I am using - correct ??? Is there some other “correct procedure for creating RBD” ? Or I am just dealing with bug in v.6.1.1. ?

I tried to follow pdf tutorial about RBD in v.4, but I wasn't able to find how to “Add to group” after I select geometries for RBD, and there is no other tutorials or movies about RBD in v.5.5 or v.6.1.
One more queston is - how can I reposition objects after I created RBD, and start symulation again ?

Sorry for such basic questions. It is only my 2nd day in Houdini.

Thanks

Goran