Three extension that adds a "childadded" and "childremoved" events and allows for deep tracking of all objects in the scene.
extends THREE.Scene
Tracks all the objects in a scene and fires events when a deep child hass been added or removed.
addedtoscene
Fired when a deep child is added to the scene.
removedfromscene
Fired when a deep child is removed from teh scene.
allObjects : Set< Object3D >Set of all the objects in the scene.