Physics & Math
Gesture Animation
Canonical Definition
Real-time animation driven continuously by touch gestures such as swipes, pinches, flings, and pans, maintaining 1:1 finger tracking.
Detailed Explanation & Context
Gesture animation binds interface element position and scale directly to touch and pointer events. In a high-performance gesture animation system, the element follows the user’s finger with zero noticeable latency, and upon release, inherits the instantaneous finger release velocity to settle smoothly via spring physics.
Mathematical Model / Governing Formula
Release Velocity (px/s) → Initial Spring Velocity (v0) → Rest PositionKey Takeaways
- Maintains 1:1 direct manipulation without cursor lag.
- Seamlessly converts swipe velocity into spring momentum.
- Prevents abrupt visual snapping when gestures terminate.
Implementation Syntax (JSX)
const bindGesture = useDrag(({ movement: [mx, my], velocity: [vx, vy] }) => {
setSpring({ x: mx, y: my, immediate: true });
});Related Glossary Terms
Pillar Guides & Tools
Apply Gesture Animation in Your Application
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