What is Spring?
Motion driven by physics (tension, mass, damping) instead of a fixed duration. Springs handle interruptions naturally and feel more alive than timed easing curves.
stiffness 300 · damping 30
A spring animation is driven by physics, not...
Write it in your own words in the app.
In real work
Animate the card dismiss with a spring. Stiffness 300, damping 30. It should feel physical when the user releases it.
In the illustration
Released, the card is pulled home by the spring; mid-way a tap pushes it back and the spring simply carries on from its current speed, easing it in to rest with no restart and no timer.
Make the card dismiss a spring in your animation library with stiffness 300 and damping 30, so a second swipe mid-flight redirects it instead of restarting.
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