Companion

Ours, and the one number in this class that was set by somebody looking at a phone.

Ours. A twentieth of the viewport of travel past the boundary, which is give rather than a bounce.

Ours, and the number that decides how strong the whole effect feels — which took a space-time diagram to find, after two other knobs had been turned for it.

Ours. The phone's ordinary settle, as the panorama's is.