SnapTarget — where a dragged node would re-parent to if released.
slotPose is the pose (in world coordinates) the node should snap to
within the target. metadata is an opaque pass-through for app-specific
snap details (slot index, visual hint, etc.).
SnapTarget — where a dragged node would re-parent to if released.
slotPoseis the pose (in world coordinates) the node should snap to within the target.metadatais an opaque pass-through for app-specific snap details (slot index, visual hint, etc.).