Base class of the scene graph: every object placed in a ViewerScene extends this.
It is not a three.js Object3D — it has its own uuid, parent/children
hierarchy, visibility/selection state and an abstract transform (getMatrix /
setMatrix) instead of position/quaternion/scale.
Base class of the scene graph: every object placed in a
ViewerSceneextends this. It is not a three.jsObject3D— it has its ownuuid,parent/childrenhierarchy, visibility/selection state and an abstract transform (getMatrix / setMatrix) instead ofposition/quaternion/scale.