Core Concepts
Interactive Animation
Canonical Definition
Animation that directly responds to, and can be influenced by, active user inputs such as touches, pointer movements, drags, and keypresses in real time.
Detailed Explanation & Context
Interactive animation stands in direct contrast to linear animation (such as video playback or traditional GIF/Lottie loops). While linear animations play continuously along a predetermined timeline regardless of user behavior, interactive animations evaluate user inputs continuously—updating trajectory, speed, and target coordinates on every single frame.
Mathematical Model / Governing Formula
Continuous Feedback Loop: User Input (t) → Physics Update (t) → Display (t)Key Takeaways
- Creates a tactile sense of direct physical manipulation.
- Provides immediate confirmation of user actions within the 12ms threshold.
- Increases perceived software responsiveness and emotional polish.
Implementation Syntax (JSX)
<div onPointerMove={(e) => updatePointerPhysics(e.clientX, e.clientY)} />Related Glossary Terms
Pillar Guides & Tools
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