Information about the position and orientation of a real-world 3D object detected in a world-tracking AR session.
- iOS 12.0+
When you run a world-tracking AR session and specify
ARReference objects for the session configuration's
detection property, ARKit searches for those objects in the real-world environment. When the session recognizes an object, it automatically adds to its list of anchors an
ARObject for each detected object.
To place virtual 3D content that matches the position or size of the detected object, use the anchor's inherited
transform property together with the
extent of the anchor's