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The Active Bodies solver will compute the Center of Mass of an object by looking at its volume. To simplify things, an assumption is made that all parts of the object have an equal weight. In the case of e.g. a ship, this is not true. The masts and sails of a ship make up a large portion of its volume but contribute little to its total mass. In such cases, enable the Override Center of Mass option on the Phoenix FD Node Properties of the original object and tweak the Center of Mass Gizmo. |
Create Center of MassCoM gizmos – Creates a Center of Mass Gizmo for a scene object. Use this option if you accidentally deleted the Center of Mass Gizmo or would like to reset it to its automatically-computed position.
Destroy Center of Mass CoM gizmos – Deletes the Center of Mass Gizmo for a scene object. Using this option is the same as selecting and deleting the gizmo from the Scene Explorer window.
Auto-create dummies CoM gizmos | autocreate_dummies – When enabled, a Center of Mass Gizmo is automatically generated for an object when added to the Interaction Set. The Center of Mass gizmo is linked to the object in a parent/child hierarchy.
Auto-delete dummies CoM gizmos | autodelete_dummies – When enabled, the Center of Mass Gizmo is automatically deleted for an object when removed from the Interaction Set. The Center of Mass gizmo is linked to the object in a parent/child hierarchy.
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