Releases references held by this tester.
Returns the latest completed result set. Empty until update runs.
Replaces the marker set tested by subsequent update calls.
Tests every marker and returns the latest visibility results.
Passing markers is equivalent to calling setMarkers first.
Optionalmarkers: readonly MarkerOcclusionMarker[]
Tests whether world-space marker anchors are hidden by rendered scene geometry in a View.
The first backend is BVH-based: each marker is projected into canvas space, converted to a camera ray, then checked against the scene triangle BVH up to the marker distance. The API is intentionally stateful so floating annotation UIs can reuse one tester per view and update all markers as a batch.