The number to display. Changing it re-rolls the digits.
Value the digits roll up from on first reveal.
Start when scrolled into view, or immediately on mount.
Per-column delay in seconds — left columns settle first.
Roll spring stiffness — higher snaps harder.
Roll spring damping — lower overshoots more.
Play a decelerating mechanical ratchet when the value re-rolls (not on first reveal).
Vibrate on re-roll where supported (mobile).
Fling ticker-tape confetti when the value increases.