I am trying to store an entity prefab that contains multiple children which all take part in the physics simulation (each have Physics Body Authoring and Physics Shape Authoring components) and then instantiate an entity and move the prefab with its children to a specific position.
When this is normally done, the children are created as separate entities and so moving the instantiated parent object does not move the children.
I only need the prefab with children to move initially when instantiated. Is there any way to do this and get the parent and all children to move without saving a reference to each of the child objects and moving each one individually?
For example, with game object instantiation you can define the location when instantiated, but with components, I am not sure if that functionality exists.
How would this be done? Do I need to add the physics component after creating the entity and moving it to the spawn location?
I had the same task and ended up doing it manually - children are disabled and on prefab instantiation their positions are updated according to the parent’s.
check out the Joint section in the Unity ECS Sample project. Its under the Unity Physics Sample section
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Is there any more convenient way