Function: worldEntryChanged()

function worldEntryChanged(previous: 
  | WorldPlane
  | WorldMesh
  | WorldAnchor, next: 
  | WorldPlane
  | WorldMesh
  | WorldAnchor): boolean;

Defined in: webxr-environment/src/world-sensing.ts:192

Has this entry changed since the last one with the same id?

changedAt is the host's own counter (WebXR's lastChangedTime), and when both sides have one it is the whole answer - which matters for meshes, where the alternative is comparing two megabytes of vertices every frame to learn that a wall is still a wall. Without it, the fields that describe WHERE the thing is are compared and the buffers are compared by identity.

Parameters

Parameter	Type
previous	| WorldPlane | WorldMesh | WorldAnchor
next	| WorldPlane | WorldMesh | WorldAnchor

Returns

boolean